A method for encoding a sequence of control information bits, the method comprising: generating a first sequence of bits comprising a sequence of predetermined bits for an encoder and a sequence of control information bits; generating a sequence of error detection and/or error correction bits based on the sequence of predetermined bits for the encoder and the sequence of control information bits; and encoding a redistributed sequence comprising the sequence of predetermined bits for the encoder, the sequence of control information bits and the sequence of error detection and/or error correction bits.
An apparatus and method that performs the steps of calculating, by an entity, one or more assistance bits, and allocating, by the entity, the one or more assistance bits. The one or more assistance bits comprise one or more primary parts and one or more secondary parts, wherein the one or more primary parts and the one or more secondary parts are used for error correction and/or error detection.
It is provided a method, comprising generating J addon bits if K information bits are sequentially inputted into a generating means comprising J registers; retrieving J*addon bits from the J registers after at least one of the K information bits had been inputted into the generating means and before the K information bits are inputted into the generating means; constructing a codeblock comprising each of the K information bits, the J addon bits, and the J*addon bits, wherein each of the K information bits, the J addon bits, and the J*addon bits is at a respective predetermined position of the codeblock; polar encoding the codeblock.
A method comprising: determining a cyclic redundancy check (CRC) generator sequence defining a one to one mapping between a sequence of control information values and cyclic redundancy check (CRC) sequence values; and determining a combined sequence, the combined sequence formed by distributing the cyclic redundancy check (CRC) value sequence within the sequence of control information values, wherein the distributing the cyclic redundancy check (CRC) value sequence within the sequence of control information values is based on a selected part of the cyclic redundancy check (CRC) generator sequence.
It is provided a method, comprising generating a first set of one or more check bits based on one or more information bits of a first segment of an information block of K information bits; constructing a code block comprising the K information bits of the information block and the first set of check bits; performing polar encoding of the code block, wherein the first set of check bits are generated without taking into account any of the one or more information bits of a second segment of the information block;； each of the information bits of the first segment is different from each of the information bits of the second segment;； each of the information bits of the first segment is distributed in the code block on less reliable bit positions for the polar encoding than each of the information bits of the second segment.
A method comprised determining, in a communications device, information relating to channel quality associated with communications between that communications device and a base station. The communication device being arranged to use a plurality of different waveforms for communicating with said access point. The communications device uses at least one of a plurality of different power head room report modes, wherein at least one of the power head room report modes is associated with one of the plurality of different waveforms. The power head room report mode used is based on the information relating to channel quality.
H04W 52/36 - Commande de puissance d'émission [TPC Transmission power control] utilisant les limitations de la quantité totale de puissance d'émission disponible avec une plage ou un ensemble discrets de valeurs, p. ex. incrément, variation graduelle ou décalages
There is provided a method comprising: determining a first control channel comprising a first plurality of resources in dependence on a first parameter and the downlink bandwidth; determining a second plurality of resources available on at least a second control channel; and combining the first and second plurality of resources to define an effective control channel for use in signalling acknowledgement data to at least one user apparatus.
The present invention provides a low-frequency oscillator and a multi-frequency multi-port antenna apparatus. The low-frequency oscillator has four oscillator arms, which are horizontally and vertically arranged in a cross , and feeding is carried out between two adjacent oscillator arms that are perpendicular to each other. The antenna apparatus comprises a main reflection plate, at least one column of a low-frequency oscillator array arranged on the main reflection plate and at least one column of a high-frequency oscillator array adjacent to the at least one column of the low-frequency oscillator array, wherein at least one low-frequency oscillator in each of the at least one columns of the low-frequency oscillator array satisfies the following conditions: the low-frequency oscillator has four oscillator arms, the four oscillator arms are horizontally and vertically in a cross, and feeding is carried out between two adjacent oscillator arms that are perpendicular to each other, forming a +/- 45-degree polarization. By adopting the structure of the low-frequency oscillator for the multi-frequency multi-port antenna apparatus , the high-frequency oscillator arm and the low-frequency oscillator arm thereof are no longer blocked by each other, and cross - coupling of the high-frequency oscillator and the low-frequency oscillator is reduced .
H01Q 21/24 - Combinaisons d'unités d'antennes polarisées dans des directions différentes pour émettre ou recevoir des ondes polarisées circulairement ou elliptiquement ou des ondes polarisées linéairement dans n'importe quelle direction
H01Q 5/00 - Dispositions pour faire fonctionner simultanément des antennes sur plusieurs gammes d'ondes, p. ex. dispositions bibandes ou multibandes
The invention relates to a cavity resonator device (1000) comprising at least two adjacent cavity resonators (1010, 1020) for radio frequency, RF, signals, separated by a common side wall (1030) having an opening (1032) wherein said cavity resonator device (1000) comprises at least one coupling element (100) for coupling two adjacent cavity resonators (1010, 1020) of said cavity resonator device (1000) wherein said at least one coupling element (100) comprises a base section (110) and a top section (120), wherein said top section (120) is displaced vertically from said base section (110) by a first distance (d1) along a longitudinal axis (a1) of said coupling element (100), and wherein said coupling element (100) comprises at least a first coupling arm (130) and a second coupling arm (140), each of said coupling arms (130, 140) connecting said base section (110) with said top section (120), wherein said at least one coupling element (100) is arranged rotably around an axis of rotation with respect to said wall (1030) in said opening (1032), wherein said axis of rotation is said longitudinal axis (a1) of said coupling element (100) or an axis parallel thereto, and wherein said axis of rotation projects through the base section (110) and the top section (120) of the coupling element (100).
A dual-reflector antenna comprises a main reflector traversed by a feed source and a sub-reflector. The sub-reflector comprises a dielectric body extending between a first end that is small in diameter and a second end that is greater in diameter, the small-diameter end being connected to the end of the feed source constituted by a metal tube filled with a dielectric material. The end of the feed source connected to the sub-reflector comprises a housing, having an inner depth and inner diameter, built into the dielectric material. The small-diameter end of the sub-reflector comprises an inner portion having a substantially cylindrical shape, able to fit into the housing, having an outer length and outer diameter. The outer length and outer diameter of the small-diameter end of the sub-reflector are respectively less than the inner depth and inner diameter of the feed source, so as to form a space between the inner portion of the sub-reflector and the dielectric wall of the housing.
H01Q 19/19 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes comportant plusieurs surfaces réfléchissantes comprenant une surface réfléchissante principale concave associée à une surface réfléchissante auxiliaire
H01Q 15/16 - Surfaces réfléchissantesStructures équivalentes courbes suivant deux dimensions, p. ex. paraboloïdales
Disclosed are a self-locking fixing device and an antenna assembly. The self-locking fixing device comprises: an inner core (10), configured to comprise a nail head (110) and a nail stem (111) extending away from the nail head (110); and a sleeve (114), configured to comprise a nail head sleeve (124) and a nail stem sleeve (125) extending away from the nail head sleeve (124), wherein at least two elastic clamping members (121) are further provided on a side wall of the nail head sleeve (124). When the inner core (10) is assembled with the sleeve (114), the nail head (110) is inside the nail head sleeve (124), the nail stem (111) is inside the nail stem sleeve (125), clamping parts of the elastic clamping members (121) are engaged with an upper surface of the nail head (110) to clamp the nail head (110) in the nail head sleeve (124). The self-locking fixing device can realize a good fixing function, and when used in an antenna, the device can improve the PIM and VSWR performance of the antenna, and also lower the rework rate and manufacturing costs.
A method performed at a network node a network node, user equipment and user equipment method are discussed. The method performed at the network node determines an ability of a user equipment within a radio cell of the network node to mitigate interference from data signals transmitted by the network node to other user equipment. The method comprises: transmitting at least one channel reference signal; 5 indicating to a user equipment that an interference reference signal is to be transmitted and providing an indication of a time and frequency resource that the interference reference signal is to be transmitted in; transmitting the interference reference signal, the interference reference signal mimicking a data signal transmitted by the network node; and receiving a feedback signal from a user equipment indicative of the ability of the user equipment to supress the interference reference signal.
A radiation unit (10) comprises: a square radiation patch (11); a first feeding sheet (12a) and a second feeding sheet (12b), suspended below the square radiation patch (11), the first feeding sheet (12a) being configured to implement +45° polarization, and the second feeding sheet (12b) being configured to implement -45° polarization; a reflector plate (13), located below the first feeding sheet (12a) and the second feeding sheet (12b); and a first cable (14a) and a second cable (14b), an inner conductor (121) of the first cable (14a) passing through the reflector plate (13) and being connected to the first feeding sheet (12a), and an inner conductor (121) of the second cable (14b) passing through the reflector plate (13) and being connected to the second feeding sheet (12b). A distance from the square radiation patch (11) to the reflector plate (13) is a wavelength 0.115 to 0.133, a distance from the first feeding sheet (12a) and the second feeding sheet (12b) to the reflector plate (13) is a wavelength 0.07 to 0.08, and a distance from the first feeding sheet (12a) and the second feeding sheet (12b) to the square radiation patch (11) is a wavelength 0.044 to 0.051. A bipolar antenna comprises an array of the foregoing radiation units. The foregoing radiation unit and bipolar antenna are disposed, so that the miniaturization of an antenna of a base station can be implemented.
H01Q 1/50 - Association structurale d'antennes avec commutateurs de terre, dispositions de descente d'antennes ou parafoudres
H01Q 19/10 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes
The present invention relates to an antenna reflection board structure for a wireless communication system, which is characterized in that the antenna reflection board structure comprises: at least two reflection board base portions, the at least two reflection board base portions being configured to reflect wireless signals; and at least one reflection board baffle portion arranged between the at least two reflection board base portions, wherein the at least two reflection board base portions and the at least one reflection board baffle portion are formed in one piece. In addition, the present invention also relates to an antenna for a wireless communication system. The antenna comprises the antenna reflection board structure. According to the antenna reflection board structure and antenna for a wireless communication system of the present invention, the radio frequency performance of the antenna can be improved, and the communication performance of the entire wireless communication system can be further improved.
A radio-frequency (RF), base station notch filter includes an integral, conductive RF notch filter structure having one or more notch filter elements, where the notch filter elements may be circular in shape. The integral notch filter reduces insertion losses and passive intermodulation distortion.
H01P 11/00 - Appareils ou procédés spécialement adaptés à la fabrication de guides d'ondes, résonateurs, lignes ou autres dispositifs du type guide d'ondes
The present invention provides a phase shifting device and an electric tilt antenna. The phase shifting device comprises: a grounding plate; two bottom substrates respectively arranged on both sides of the grounding plate and coupled to the grounding plate; two top substrates respectively arranged on both sides of the two bottom substrates, wherein each top substrate and each bottom substrate compose a phase shifting unit; a draw-bar coupled to the two top substrates and used for adjusting the relative sliding between the two top substrates and the two bottom substrates so as to adjust the phase of the output signal of each phase shifting unit at the same time. By means of the technical solution of the present invention, screws are not needed in course of assembling the phase shifting device, PIM performance of the phase shifting device is improved, and the friction is smaller, so that an ACU can drive the draw-bar at a low temperature. The phase shifting device, with few parts, low cost and connections by use of nonmetallic rivets, is very easy to assemble and rework.
H01Q 3/32 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens mécaniques
The present invention aims to provide a method and apparatus for sending a video, wherein the video is initially stored in one or more other network devices. The method comprises: receiving a second request for a video from a user equipment; forwarding the second request to other network devices corresponding to the second request; determining an acquisition mode of the video on the basis of responses, received from the other network devices, to the second request; and sending the video acquired in the acquisition mode of the video to the user equipment. Compared with the prior art, the present invention adopts a unified approach to determine an acquisition mode of a video and send the acquired video to a user equipment, so that deployment difficulty is lowered, bandwidth resource requirements are reduced and video sharing degree is increased.
H04N 7/173 - Systèmes à secret analogiquesSystèmes à abonnement analogiques à deux voies, p. ex. l'abonné envoyant un signal de sélection du programme
H04N 21/60 - Structure du réseau ou procédés pour la distribution de vidéo entre le serveur et le client ou entre des clients distantsSignalisation de contrôle entre clients, serveur et éléments du réseauTransmission de données de gestion entre serveur et clientDétails de la communication entre serveur et client
H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole
18.
METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING ANTENNA PORT CONFIGURATION INFORMATION
Provided is a method for transmitting antenna port configuration information to a user equipment in a base station. The base station adopts a multi-dimensional antenna. The method includes the following steps: a, acquiring antenna port configuration information of the base station, the antenna port configuration information being used for indicating configurations of the multi-dimensional antenna of the base station; and b, sending the antenna port configuration information to the user equipment on the basis of an RRC message. According to the solution of the present invention, the base station can send the antenna port configuration information to a specific user equipment in time via the RRC message, the complexity and the calculation amount during PMI searching through the user equipment are reduced, independent and more effective PMI searching can be realized, and the performance of the system is improved.
H04B 7/06 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées à la station d'émission
19.
METHOD AND APPARATUS FOR SUPPORTING PARTIAL SUB-FRAME DATA TRANSMISSION IN LTE SYSTEMS
Method and apparatus for supporting a partial sub-frame data transmission in LTE systems. The transmitting device performs a channel assessment in a previous sub-frame in an unlicensed carrier (S110). After a successful channel assessment, the transmitting device starts a data transmission (S120). The transmitting device transmits a control message for indicating the data transmission in (E)PDCCH (S140). The control message may include the starting time of the data transmission and /or at least one transmission characteristic in the previous sub-frame. The transmission device may transmit an initial control message for indicating a potential data transmission being started in the sub-frame in which the initial control message is transmitting. Method and apparatus enable (E)CCA to take place at any time, and data transmission to start earlier than the next sub-frame boundary after a successful completion of (E)CCA, thus improving the data transmission capacity, especially in circumstances when the maximum length of transmission is constrained.
A method is provided for assisting data transmission on a first carrier by indicating a termination point of data transmission in a transmitting device and apparatus thereof, wherein the method comprises the steps of: A. transmitting data on the carrier to a receiving device in a first subframe; and B. transmitting downlink control information to the receiving device; wherein the downlink control information includes a termination point indication for indicating a termination point of the data in the first subframe. The method and apparatus could improve the utilization of subframe and transmission capacity, and enable LTE to satisfy the regulations for unlicensed operation with high spectral efficiency.
A method and an apparatus for determining route information of intersect parallel data between multi-ingress and multi-egress are disclosed. Herein the number of ingress, egress and MUX are all N, each ingress connects to all the MUXes and each MUX connects to one egress, and data transfer sequences from the multi-ingress to the multi-egress are N*N matrixes. The method comprises generating a route-table group based on data transfer sequences between the multi-ingress and multi-egress, wherein the route-table group includes a set of route-table for each ingress to indicate the retrieving address of data samples to be transferred, a set of route-table for each egress to indicate the data samples selected from those transferred from all the ingresses, and a set of route-table for each egress to indicate the saving address of the selected data samples. The method enables to synchronously retrieve one data sample from different ingresses-RAMs and then push the data samples into destination egress-RAMs, respectively.
The present invention is directed to provide a weighted aggregation-based method and device for transmitting control signals. Specifically, the method comprises: determining aggregation level weight vectors corresponding to control signals to be transmitted by multiple antenna elements corresponding to a port of a common control channel; and transmitting the control signals through the multiple antenna elements according to the aggregation level weight vectors. Compared with the prior art, according to an embodiment of the present invention, the aggregation level weight vectors corresponding to the control signals to be transmitted by the multiple antenna elements corresponding to the port of the common control channel are determined; and the control signals are transmitted through the multiple antenna elements according to the aggregation level weight vectors, so that the coverage of the common control channel in a 3D-MIMO system is enhanced, the problem of coverage holes in the 3D-MIMO due to the introduction of a 2D planar array is solved, the antenna array gains of the present invention are more uniformly distributed in the whole EOD span, and the gains are significant.
H04W 16/00 - Planification du réseau, p. ex. outils de planification de couverture ou de traficDéploiement de réseau, p. ex. répartition des ressources ou structures des cellules
23.
METHOD AND APPARATUS FOR DETERMINING DATA TRANSFER SEQUENCES BETWEEN MULTI-INGRESS AND MULTI-EGRESS
The objective of the present invention is to provide a method and apparatus for determining data transfer sequences between multi-ingress and multi-egress. The method for determining data transfer sequences between multi-ingress and multi-egress is provided. Herein the number of ingress and egress are both N and the data to be transferred from the multi-ingress constitute a N*N data matrix; wherein the depth of each ingress is M which indicates the number of the transfer cycle for transferring the data matrix; wherein in each transfer cycle, the method comprises the following steps: a. determining the transfer cost of every non-zero element in the matrix based on the cross-attribute and value-attribute of the every non-zero element, and determining that the transfer cost of a zero element is zero; b. selecting an element of the maximum cost from the cost determined elements; c. disregarding the row and column of the selected element, and returning to step a to re-determine the transfer cost of the rest elements in the matrix, till only one element is left to re-determine the transfer cost; d. determining a data transfer sequence based on N data samples, wherein each data sample is obtained from one of the N selected elements.
H04B 7/06 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées à la station d'émission
A set of raw data relating to activity of one or more users in accordance with a communication network is obtained. The communication network is managed by a network operator. The obtained set of raw data is processed in accordance with at least one data isolation policy maintained by the network operator to generate a first set of data comprising at least a portion of the set of raw data with sensitive data associated with the one or more users removed; a second set of data comprising the sensitive data removed from the set of raw data; and a third set of data comprising a mapping between portions of the set of raw data and the first set of data. The first set of data is exposed to a third party, while the second set of data and the third set of data are isolated from the third party.
A ZigBee management system includes an auto configuration server (ACS) that manages customer premises equipment (CPE) through CWMP messaging and a CPE proxy that is coupled to the ACS to provide a protocol translation between the CWMP messaging and ZigBee device object (ZDO) messaging for a ZigBee device. The ZigBee management system also includes a hybrid ZigBee coordinator that is coupled to the CPE proxy and has a ZigBee protocol stack having a ZigBee MAC layer as an initial layer, a non-ZigBee physical layer that is coupled to the ZigBee protocol stack and communicates the ZDO messaging over a non-standard ZigBee interface with the CPE proxy, and a ZigBee physical layer that is coupled to the ZigBee protocol stack and the non-ZigBae physical layer and transceives the ZDO messaging for the ZigBee device over a standard ZigBee interface. A method of mamaging a ZigBee network is also provided.
Provided in the present invention is a method used in a first node for providing coordination-related information to a second node, said method comprising the following steps: a. acquiring the spectral efficiency of every user device amongst at least one user device on every frequency re-use region available to said user device; b. on the basis of the spectral efficiency of the at least one user device, determining the coordination-related information for use by the second node, said coordination-related information may be used by the second node for scheduling the at least one user device; and c. providing the coordination-related information to the second node. The solution of the present invention has the effect of optimising the frequency resource partitioning, user selection in different partitions, load balancing, and power regulation in an OFDM system, and results in significant cell average gain and cell edge gain.
Provided are a method and device for generating a codebook for wireless communications; also provided are a method and device for generating a precoder for a 3D channel by using the codebook in a base station in wireless communications; and further provided are a method and device for aiding in generating a precoder by using the codebook in a user equipment in wireless communications. Compared with the prior art, the codebook provided in the present invention can not only be used in horizontal beam shaping but can also be used in vertical beam shaping; and with respect to a traditional precoder, the precoder provided in the present invention can not only control an azimuth angle of a beam but can also control a downtilt angle of a beam. Compared with the prior art, the present invention uses a vertical space gain of a 3D channel, thereby improving the system performance.
H04B 7/06 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées à la station d'émission
At least one security policy is obtained from a policy creator at a controller in an SDN network. The security policy is implemented in the SDN network, via the controller,based on one or more attributes specifying a characteristic of the security policy, a role of the creator of the security policy, and a security privilege level of the role of the creator of the security policy.
The present invention relates to a method and device for multi-user channel estimation in a wireless broadband system. According to a first aspect of the present invention, a method for multi-user channel estimation in a base station of the wireless broadband system is proposed, and the method comprises that: A. a preamble pilot sequence index is set for each user terminal; B. the preamble pilot sequence index set for each user terminal is transmitted to each user terminal; C. the preamble pilot sequence transmitted from each user terminal is received, and the path delay condition between the base station and each user terminal is estimated on the basis of the preamble pilot sequence; D. according to the path delay condition, a primary pilot sequence index is set for each user terminal; E. the primary pilot sequence index set for each user terminal is transmitted to each user terminal; and, F. the primary pilot sequence transmitted from each user terminal is received, and channel state information of each user terminal is estimated on the basis of the primary pilot sequence. Compared to the prior art, the system and method provided by the present invention can support more user terminals and further successfully avoid the pilot pollution among the user terminals.
H04B 7/26 - Systèmes de transmission radio, c.-à-d. utilisant un champ de rayonnement pour communication entre plusieurs postes dont au moins un est mobile
30.
METHOD AND APPARATUS FOR TRIGGERING NAICS IN WIRELESS NETWORK
The present invention is to provide a suitable scheme for triggering to activate or deactivate NAICS so as to overcome the defect in the prior art. According to a further aspect of the present invention, a method in an UE of a wireless network for triggering NAICS is provided, wherein said method comprising: - receiving a first set of NAICS information from the base station of serving cell of the UE, which comprises the cell ID of the neighboring cells in a Interfering NAICS Cell list ( INCL); - determining the NAICS cell(s) among the neighboring cells based on the first set of NAICS information; - sending the cell ID of NAICS cell(s) to the base station, for triggering to activate NAICS. In another embodiment, the method in UE further comprises: - detecting the information of degradation of the UE operating in NAICS with a NAICS cell; and - deactivating NAICS with the NAICS cell upon the determination of the detected information of degradation of UE meeting the predefined criterion. With the present invention, the following advantages are achieved: 1) the flexibility of the NAICS interfering cell's schedule is enhance due to the suitable scheme for triggering to activate or deactivate NAICS; 2) the system performance of the wireless network is not impacted too much while involving NAICS with the NAICS interfering cell, by the suitable scheme for triggering to activate or deactivate NAICS.
The apparatus includes a base having a hole in a top surface, a fastener having a longitudinal section with the longitudinal section extending into the hole, and a shell. The shell has a connecting section connecting a first lateral surface section and a second lateral surface section. At least a portion of the first lateral surface section extends into the hole. The second lateral surface section extends away from the top surface of the base. The connecting section is disposed between the top surface of the base and a portion of the fastener. The connecting section has a first section and a second section, and the first section has a non-linear cross-section. The apparatus further includes a washer disposed between the portion of the fastener and the connecting section, and a portion of the washer engages the first section of the connecting section.
H01R 4/56 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c.-à-d. se touchant l'un l'autreMoyens pour réaliser ou maintenir de tels contactsConnexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation un conducteur étant vissé dans un autre
F16B 7/18 - Assemblages de barres ou assemblages de tubes, p. ex. de section non circulaire, y compris les assemblages élastiques utilisant des éléments filetés
32.
METHOD AND DEVICE FOR ACQUIRING DOWNLINK DATA IN LARGE-SCALE MIMO SYSTEM
The present invention aims to provide a method and device for acquiring downlink data in a large-scale MIMO system. Specifically, a base station transmits to a corresponding user equipment a downlink control signaling for indicating downlink channel estimation information, where the downlink control signaling comprises corresponding equivalent channel mean information, zero-forcing precodes a to-be-transmitted signal on each subcarrier of a transmission sub-band, and transmits the zero-forcing precoded signal to the user equipment. Compared with the prior art, the present invention has the base station zero-forcing precoding the signal on the subcarriers and transmitting to the user equipment the DL control signaling for indicating the DL channel estimation information, thus allowing the user equipment to demodulate on the basis of the equivalent channel means information in the DL control signaling and not to rely on a DL reference signal in making a DL equivalent channel estimation; hence, while precoding granularity is reduced, signaling overhead is also reduced, and system performance is greatly increased.
H04L 25/03 - Réseaux de mise en forme pour émetteur ou récepteur, p. ex. réseaux de mise en forme adaptatifs
H04B 7/06 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées à la station d'émission
A request is made by a client to be authenticated by a first cloud storage server that may be associated with a first service provider. An identity federation request is sent from the client to the first cloud storage server, wherein the identity federation request seeks to federate a user account of the client on the first cloud storage server with a user account of the client on a second cloud storage server that may be associated with a second service provider. The client is redirected from the first cloud storage server to the second cloud storage server. A request is made by the client to be authenticated by the second cloud storage server such that the second cloud storage server, once the client is authenticated, maps the user account on the first cloud storage server with the user account of the second cloud storage server and establishes identity federation there between.
G06F 15/16 - Associations de plusieurs calculateurs numériques comportant chacun au moins une unité arithmétique, une unité programme et un registre, p. ex. pour le traitement simultané de plusieurs programmes
34.
ANTENNA CALIBRATION METHOD AND DEVICE USED IN LARGE-SCALE MIMO WIRELESS COMMUNICATION SYSTEM
The present invention relates to an antenna calibration method used in a base station in a large-scale MIMO wireless communication system. The method includes: dividing an antenna system in the base station into at least two antenna array modules, wherein the at least two antenna array modules respectively comprise a first calibration antenna and at least one ordinary antenna correlated with the first calibration antenna, and the first calibration antenna is respectively connected with the at least one ordinary antenna via a first coupling circuit, in order to implement first stage calibration to obtain a first calibration factor to calibrate the at least one ordinary antenna correlated with the first calibration antenna; and performing second stage calibration for the first calibration antenna to obtain a second calibration factor to calibrate the first calibration antenna. In addition, the present invention also relates to an antenna device. Performing calibration for antennas by stages according to the method and device of the present invention reduces complexity of traditional self-calibration coupling circuits and overhead of calibration pilot frequency and feedback based on air transport on one hand, and also effectively supports modularization design and extensibility of large-scale antennas on the other hand.
A method for hybrid analog and digital precoding for use in a large-scale multiple-input and multiple-output system. the method comprises: estimating a spatial correlation matrix of a user equipment on the basis of a first pilot signal coming from the user equipment (S11); calculating a wideband analog precoding matrix of an analogue domain on the basis of the estimated spatial correlation matrix (S12); estimating an equivalent channel of the user equipment on the basis of a second pilot signal coming from the user equipment (S21); calculating a narrowband digital precoding matrix of a digital domain on the basis of the estimated equivalent channel (S22), and, transmitting a hybrid analog and digital precoded downlink data signal to the user equipment on the basis of the analogue precoding matrix and of the digital precoding matrix. Provided is a solution for implementing large-scale multiple input and multiple output that is feasible in actual systems, and particularly in systems having strict restrictions on costs, size, and power.
The present invention aims to assist UE to reduce the interference from the neighboring base station by providing UE with subset restriction(SR)related information which includes one or more levels of multiple-level signaling. According to the present invention, an apparatus, in a base station in a wireless network, for assisting UE served by another base station to reduce interference, is provided, the apparatus comprises: means for receiving the request for subset restriction from the serving base station; means for, in response to the request, providing the subset restriction related information to said serving base station, wherein the SR related information may comprise one or more levels of multiple-level signaling, the first level of which indicating whether to activate SR and the next levels of which indicating the specifics of SR if SR is to be activated. With the present invention, the following advantages are achieved: -1)The subset restriction related information provided by the interfering base station assists UE to reduce the erroneous detection and improve its throughout performance; 2)The hierarchy of multiple-level signaling provides more flexibility for base stations to indicate various combinations of subset restriction. This is to allow base stations to decide to start or stop the subset restriction; 3)The hierarchy of multiple-level signaling provides a flexibility to accommodate future expansion.
The present invention relates to a user equipment pairing method and apparatus in multi-user MIMO. According to an embodiment of the present invention, a pairing method in multi-user MIMO comprises: receiving a wireless location of a user equipment in a wireless network; characterizing the wireless location of the user equipment as interference; and using the interference to weight a pairing matrix in multi-user MIMO, and/or using the interference to control the number of user equipments paired in the multi-user MIMO, which can better balance the total capacity and the total interference in multi-user MIMO, thereby optimizing the capacity of a wireless network. The present invention can solve the inter-cell or inter-cluster interference problem in multi-user MIMO, and improve the throughput of the system.
Provided are a low-complexity multi-cell downlink coherent joint transmission method and device, the method comprising the steps of: conducting joint design on a precode according to the scheduling authorization information and channel status information from a first base station and a second base station to obtain a precoding matrix; the joint design of the precoding matrix of the UE takes into consideration the possible interference of the precoding matrix on downlink transmission of other user equipments (UEs) in the matrix; the scheduling authorization information is obtained by conducting independent distributed scheduling on the UEs in a cell of the base station, without considering the scheduling authorization information of the UEs in a cell neighboring the cell of the base station. The plan in the present invention decreases the calculation complexity of an original coherent joint transmission plan while maintaining the average performance gain of a cell, and is insensitive to the cluster scale, thus being easy to be implemented in practical networks.
A conductor is formed of a first portion to define a first area in a plane that is substantially perpendicular to a first magnetic field direction in a first cavity resonator and a second portion to define a second area in a plane that is substantially perpendicular to a second magnetic field direction in a second cavity resonator. Inductive current generated in the first portion flows in substantially the same direction as current in the second portion. The conductor may be deployed in an aperture between the first and second cavity resonators to couple or cross-couple the first and second cavity resonators. The conductor may also be deployed to couple or cross-couple cavity resonators in a filter implemented in a broadcast-or base station.
Antenna (1) presenting a concave reflector (10) defining a central axis of reflection z-z, comprising: a radome (20) adapted for mounting on said concave reflector (10), an absorbent device (50) adapted for absorbing electromagnetic waves, wherein a central axis y-y of the absorbent device (50), as being the axis perpendicular to the largest flat surface of the absorbent device (50), is substantially aligned along said central axis of reflection z-z.
H01Q 17/00 - Dispositifs pour absorber les ondes rayonnées par une antenneCombinaisons de tels dispositifs avec des éléments ou systèmes d'antennes actives
41.
METHOD AND APPARATUS FOR LOW COST MACHINE TYPE COMMUNICATION
Methods and apparatuses for use in a low cost machine type communication user equipment, wherein the low cost machine type communication user equipment communicates with a legacy base station, are provided. The method comprises adjusting at least one parameter relating to scheduling such that the legacy base station is to schedule the low cost machine type communication user equipment with a transmission block size less than a predefined size. The method also comprises reporting the adjusted at least one parameter to the legacy base station. With the methods and apparatuses of the present disclosure, it is possible for the low cost machine type communication use equipment to operate in the coverage area of the legacy base station.
H04W 28/16 - Gestion centrale des ressourcesNégociation de ressources ou de paramètres de communication, p. ex. négociation de la bande passante ou de la qualité de service [QoS Quality of Service]
42.
METHOD AND DEVICE FOR QUANTIFYING CHANNEL STATE INFORMATION
Disclosed are a method and device for quantifying channel state information. The method can be implemented on a base station side according to an embodiment of the present invention, the method comprising: broadcasting the antenna configuration of the base station to a user equipment (UE), the antenna configuration comprising a vertical antenna port and a horizontal antenna port; transmitting a reference signal to the UE; receiving back from the UE a vertical precoder corresponding to the vertical antenna port and a horizontal precoder corresponding to the horizontal antenna port; and based on the received vertical precoder and the horizontal precoder, using a vertical codebook corresponding to the vertical antenna port and a horizontal codebook corresponding to the horizontal antenna port to reconstruct precoders.
An embodiment of the present invention provides a D2D communication method. A mechanism of perception followed by transmission is used. Each subframe is divided into a perception domain, comprising a small quantity of OFDM symbols in a former part, a D2D transmission domain and OFDN symbols in a latter part. The perception domain is used by a D2D user equipment to perceive whether cellular uplink transmission exits in surroundings, and the D2D transmission domain is used for D2D transmission. By means of the mechanism of perception followed by transmission, interference between a D2D device and a cellular communications device can be effectively avoided, thereby improving the spectrum reuse rate; and a great deal of measurement work is not required, thereby reducing signaling overheads and improving the system efficiency. The present invention also comprises an apparatus configured to implement the method.
The present invention provides a dipole fixation in an antenna system for fixing dipoles (1) on a reflector (2), the dipole fixation comprising fixing members (3) passing through apertures on the reflector (2) to fix the dipoles (1) on the reflector (2); a first non-conductive member (4) arranged between the dipoles (1) and the reflector (2); and a second non-conductive member (5) arranged between the fixing members (3)and the reflector (2). The dipole fixation of this invention avoids any metal contact between the dipoles and the reflector, guaranteeing the PIM reliability for a long time and obtaining a stable connection.
The present application provides a multi-band antenna, comprising at least one low-band sub-antenna; and at least one high-band sub-antenna comprising at least one high-band dipole and a reflector; wherein the high-band dipole and/or the reflector are/is structured and positioned so that current induced in the high-band sub-antenna by the low-band sub-antenna is directed to reflector over an extended effective distance in proportion to wavelength of the low-band sub-antenna.
H01Q 21/24 - Combinaisons d'unités d'antennes polarisées dans des directions différentes pour émettre ou recevoir des ondes polarisées circulairement ou elliptiquement ou des ondes polarisées linéairement dans n'importe quelle direction
H01Q 19/10 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes
The present invention provides a group scheduling method and system for MTC UEs. The method is executed by a serving base station and comprises the following steps: when a communications session is started, grouping multiple MTC UEs served by a serving base station into one group, the multiple MTC UEs having a same feature in the communications session; allocating multiple resource blocks to the group, the number of the resource blocks being the same as that of the MTC UEs; and synchronously sending group scheduling information to the multiple MTC UEs in the group by means of physical layer signaling, the group scheduling information comprising a one-to-one mapping relationship between the multiple MTC UEs and the multiple resource blocks.
A connector for coupling a coaxial cable (240) to a strip line comprises a first plate (210) to be arranged above a conductor (220) of the strip line to which a center conductor (244) of the coaxial cable (240) is soldered, the first plate (210) including: a first solder portion (212) to which a braid (242) of the coaxial cable (240) is soldered; and an aperture (214) formed adjacent to the first solder portion (212) and configured to prevent heat propagation of a solder point of the first solder portion (212) and the braid (242) of the coaxial cable (240) and to expose a solder point of the conductor (220) of the strip line and the center conductor (244) of the coaxial cable (240), wherein a biggest dimension of the aperture (214) is shaped to be less than 5% of highest frequency wavelength.
H01P 5/08 - Dispositifs de couplage du type guide d'ondes destinés au couplage de lignes ou de dispositifs de différentes sortes
H01R 4/58 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c.-à-d. se touchant l'un l'autreMoyens pour réaliser ou maintenir de tels contactsConnexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation caractérisées par la forme ou le matériau des organes de contact
The present invention relates to a method and an apparatus for adjusting a smart antenna calibration plate. The apparatus is provided with a smart antenna calibration plate, one or more plastic films covering the smart antenna calibration plate so as to adjust a power amplitude value and a phase value of the smart antenna calibration plate, and a configuration apparatus for adjusting the smart antenna calibration plate, the configuration apparatus comprising a network analyzer and a quantitative adjustment determining device. The quantitative adjustment determining device determines a phase difference and a power amplitude difference between antenna ports of the smart antenna calibration plate according to a signal from the network analyzer; determines, according to the determined differences and a product standard of the smart antenna calibration plate, a power amplitude value for adjustment and a phase value for adjustment; and determines, according to the values for adjustment, positions and the quantity of plastic films for covering the smart antenna calibration plate. The quantitative adjustment determining device further comprises a visual user interface that can display a schematic diagram of the smart antenna calibration plate and the positions and quantity of the plastic films covering the smart antenna calibration plate. In this way, the quantitative adjustment on the power amplitude value and phase value of the smart antenna calibration plate is implemented.
H01Q 3/26 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante
The present invention relates to an antenna for use in a wireless communication system, said antenna comprising a reflective plate having a forward face for use in transmitting signals and a rear face opposite to same, resonators arranged on the forward face of the reflective plate, a phase shifter network arranged on the rear face of the reflective plate, and a resonator-securing device arranged on the forward face of the reflective plate and used for securing the resonators also to the forward face of the reflective plate. The present invention also relates to a method for securing resonators to a reflective plate. The present antenna and securing method make possible manufacture of antennas having easily-removable resonators without disturbing an existing phase shifter network, thus greatly enhancing the ease of maintenance of antennas constructed according to the present invention while reducing repair and maintenance costs.
H01Q 19/10 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes
H01Q 1/50 - Association structurale d'antennes avec commutateurs de terre, dispositions de descente d'antennes ou parafoudres
H01Q 1/36 - Forme structurale pour éléments rayonnants, p. ex. cône, spirale, parapluie
50.
METHODS AND DEVICES FOR REDUCING PASSIVE INTERMODULATION IN RF ANTENNAS
Systems and related methods for reducing passive intermodulation (PIM) include a combination of an antenna control unit (ACU) and a remote electrical tilt (RET) system. The ACU may be used to generate rotational motion of an output drive shaft in response to an input tilt control signal. The RET system couples to the output drive shaft of the ACU and may be used to convert the rotational motion into translational motion for modifying a phase shift of an antenna beam. PIM may be substantially eliminated by providing electrical isolation between the ACU and RET system in the form of a non-conductive connector that engages the draft shaft of the ACU.
H01Q 3/32 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens mécaniques
51.
Methods and systems for calibrating LTE antenna systems
Antenna array calibration systems and related methods include or utilize a plurality of signal splitter/combiner networks. Each of the signal splitter/combiner networks has a calibration signal sampling point in electrical communication with a signal input point, and signal output points. Each calibration signal sampling point may be capacitively coupled to a respective calibration source input of a calibration network. The signal splitter/combiner networks may be formed as phase-shifting networks.
H01Q 3/26 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante
H01Q 25/00 - Antennes ou systèmes d'antennes fournissant au moins deux diagrammes de rayonnement
H01Q 19/17 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes où les surfaces sont concaves la source rayonnante primaire comprenant plusieurs éléments rayonnants
H01Q 3/40 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens électriques avec une matrice faisant varier l'angle de déphasage
Provided are a method and an apparatus for D2D communication. The method comprises: determining broadcast data channel use information comprised a frame structure of D2D broadcast communication; and selecting, according to the determined use information, an idle broadcast data channel from the frame structure to transmit D2D broadcast data.
The present invention relates to a method and apparatus for inter-cell interference suppression. One embodiment provides a method for interference coordination for use in wireless communication networks, comprising the following steps: i. a service base station notifies a neighbouring base station of the identifier and reference signal resources of a pre-selected user device; ii. the neighbouring base station assesses the expected interference of the pre-selected user device in a pre-determined frame; iii. when the expected interference of the pre-selected user device in the pre-determined frame surpasses a pre-determined threshold, the service base station schedules the signal transmission of the pre-selected user device in the pre-determined frame in order to reduce inter-cell interference. The method and apparatus set forth in the present invention can reduce interference between cells.
H04W 16/00 - Planification du réseau, p. ex. outils de planification de couverture ou de traficDéploiement de réseau, p. ex. répartition des ressources ou structures des cellules
54.
METHOD AND APPARATUS FOR OBTAINING DCI OF THE INTERFERING CELL BASED ON COMMON PDCCH/EPDCCH SETS
The invention provides a method for use in an interfering cell which includes one or more interfering user equipments interfering a victim user equipment of a victim cell, wherein the method comprises the steps of: configuring one or more common PDCCH/EPDCCH sets; informing the victim cell of information about the one or more common PDCCH/EPDCCH sets; and broadcasting network assistance information, the network assistance information including ID of each of interfering user equipment, wherein for each interfering user equipment, an PDCCH/EPDCCH candidate is selected from the EPDCCH set of the interfering user equipment to carry downlink control information of the interfering user equipment and the selected PDCCH/EPDCCH candidate is also contained in the one or more common PDCCH/EPDCCH sets. The invention also provides a method for use in a victim user equipment of a victim cell, the victim user equipment suffering interferences from one or more interfering user equipments of an interfering cell, wherein the method comprises the steps of: receiving information about one or more common PDCCH/EPDCCH sets from the victim cell; receiving network assistance information from the interfering cell, the network assistance information including ID of each interfering user equipment; and decoding the one or more common PDCCH/EPDCCH sets using the ID of each interfering user equipment to obtain downlink control information of each interfering user equipment.
The invention provides an antenna dipole unit with an asymmetric dipole, comprising: a first dipole arm pair, including a first dipole arm and a second dipole arm; a second dipole arm pair, including a third dipole arm and a fourth dipole arm, a feed module, through which the first dipole arm pair and the second dipole arm pair are connected to a RF device; wherein the first dipole arm pair and the second dipole arm pair are orthogonal with each other, and the first dipole arm pair and/or the second dipole arm pair composes an asymmetric structure respectively. Through an asymmetric structural dipole antenna, feed unbalance caused by the feed manner is compensated, the symmetry of the pattern in horizontal plane of the asymmetric dipole antenna is enabled, and the cross polarization discrimination is enhanced. Further, since the dipole and its feed point/slice are designed as a single unit, additional compensation for the antenna is avoided, and thereby a symmetric radiation direction is provided. By applying the asymmetric dipole antenna of the present invention, the usage of the fences could be reduced, and the cost will decrease.
H01Q 21/24 - Combinaisons d'unités d'antennes polarisées dans des directions différentes pour émettre ou recevoir des ondes polarisées circulairement ou elliptiquement ou des ondes polarisées linéairement dans n'importe quelle direction
H01Q 1/36 - Forme structurale pour éléments rayonnants, p. ex. cône, spirale, parapluie
56.
METHOD FOR DETERMINING START TIME OF A PHYSICAL DOWNLINK CONTROL CHANNEL
A method is provided for a UE to determine the start time of the downlink control channel for M2M communication in LTE systems. The method comprises a UE receiving a parameter set to determine the start time of the (E)PDCCH from the eNB; calculating the start time based on the received parameter set from the eNB; combining/decoding the repetitive (E)PDCCHs; and sending the feedback information to confirm/reject the reception of the (E)PDCCH.
The present invention relates to a method for distributing neighbour discovery resources by a base station and sending neighbour discovery signals by a user equipment in a wireless communication system, characterized in that a network supporting neighbour discovery and formed by the base station supports a first type of discovery mechanism based on user equipment non-dedication and a second type of discovery mechanism based on user equipment dedication at the same time. The method can be applied to a resource distribution method of D2D neighbour discovery of a cellular network, which enables the network to flexibly distribute neighbour discovery resources according to network conditions. In addition, the distribution can realize the distinguishing of priorities based on subscription, possibilities of collision, etc., thereby improving user experience. Moreover, the method enables both a connected user equipment and a dormant user equipment to support neighbour discovery.
H04W 48/10 - Distribution d'informations relatives aux restrictions d'accès ou aux accès, p. ex. distribution de données d'exploration utilisant des informations radiodiffusées
One embodiment of the present disclosure relates to a method for random access in a base station supporting communication with at least one CE-MTC UE. The method comprises: receiving from a user equipment, repetition transmissions of a first message including a random access preamble; repeatedly transmitting to the user equipment a second message including a random access response, RAR, wherein the second message has a characteristic dependent upon a first repetition level. Another embodiment of the present invention also relates to corresponding method for random access in a user equipment. According to an aspect of the present disclosure, there are provided corresponding devices.
Embodiments of the present invention provide a method for reserving switchover time in device to device (D2D) communication. The method comprises: performing discrete Fourier transform (DFT) pre-coding on a constellational symbol of user data and mapping a symbol vector after pre-coding to some evenly spaced subcarriers so as to make other allocated subcarriers idle; transforming the symbol vector after mapping to a time domain through inverse discrete Fourier transform (IDFT) so as to enable a time domain symbol vector that is generated to show a duplicate structure; and removing at least some redundant and duplicate symbol samples from the time domain symbol vector that is provided with the duplicate structure so as to obtain some symbol structures, wherein at least some idle time obtained due to symbol removal is reserved as switchover time. The present invention also comprises an apparatus that is arranged to complete the method.
A method is provided for determining delay between random access channel and downlink control channel in random access procedures. The method comprises receiving from a base station, by a user equipment, information related to one or more delay(s) between a random access channel and one or more repetition period(s) of a downlink control channel for the user equipment; sending to the base station, by the user equipment, the random access channel transmitted in a repetitive form; receiving, by the user equipment, the one or more repetition period(s) of the downlink control channel, wherein each of the one or more repetition period(s) of the downlink control channel is transmitted according to a corresponding one of the delay(s); and determining, by the user equipment, the one or more delay(s) based at least on the information related to the delay(s).
The invention makes a clean separation between data plane and control plane for residential gateway, and proposes a residential gateway device and a network-side control device. The residential gateway device is provided with data plane functionalities of residential gateways, wherein, the data plane functionalities of residential gateways comprises: Layer 3/4 packet processing functionalities of residential gateways; and the residential gateway device further comprises: a first interface, for exchanging control information about data plane functionalities of residential gateways, with a network-side control device provided with the control plane functionalities of residential gateways; and a controller, for configuring the data plane functionalities of residential gateways according to the control information from the network-side control device. And the network-side control device is provided with control plane functionalities of residential gateways, wherein, the network-side control device is without data plane functionalities of residential gateways, said data plane functionalities of residential gateways comprising: Layer 3/4 packet processing functionalities of residential gateways.
The antenna system comprises a first module ensuring the radiofrequency function and containing at least one antenna and at least one radio connection box, a second assembly module ensuring the fastening and positioning of the antenna system onto a mount, and an interface part ensuring the connection between the first module and the second module and enabling a rotating junction between the first module and the second module. Preferably, the antenna system has a generally smooth round shape.
The present invention relates to a distributed antenna system, a radio-frequency power control method and a base station device. According to one embodiment of the present invention, provided is a distributed antenna system (100), comprising: a plurality of antennas (11-18); a radio-frequency module (20); a radio-frequency signal transmission network (30) which is configured to transmit electrical signals from the radio-frequency module to the plurality of antennas, the radio-frequency signal transmission network comprising at least one adjustable coupler (31-37); and a first controller (40) which is communicatively connected to the radio-frequency signal transmission network and is configured to control the at least one adjustable coupler, so as to control the radio-frequency power of the plurality of antennas. The system realizes antenna-based power saving under the distributed antenna system, has relatively fine granularity control, and has no influence on the service quality and the user experience.
H04B 7/04 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées
64.
METHOD FOR IMPLEMENTING DEVICE TO DEVICE (D2D)-BASED MULTICAST COMMUNICATION IN CELLULAR NETWORK
Provided in the present invention are three application scenes for implementing D2D (device to device)-based multicast communication in a cellular network. Application scene 1: all user equipment in a multicast group are within the coverage of the cellular network, and for the application scene, provided is a method for configuring transmission power of initiating user equipment in the multicast group. Application scene 2: part of the user equipment in the multicast group are within the coverage of the cellular network, the other part of the user equipment are beyond the coverage of the cellular network, and for the application scene, provided is a method for selecting a relay user device. Application scene 3: all the user equipment in the multicast group are not within the coverage of the cellular network, and for the application scene, provided is a method for multicast transmission.
The present invention aims to provide an eNB for notifying UE the TDD reconfiguration of the serving cell. An eNB for notifying UE the TDD reconfiguration of the serving cell is configured to signal a plurality of UEs TDD reconfiguration information of the serving cell via physical layer, wherein the TDD reconfiguration information contains at least one of the following items: - TDD UL-DL reconfiguration information; - OLPC subframe pattern information. Compared with the prior art, the present invention considers both TDD reconfiguration information and OLPC subframe pattern information. With the explicit L1 signalling of reconfiguration on CSS, such as a DCI containing TDD UL-DL reconfiguration information and/or OLPC subframe pattern information, the signalling overhead can be saved. With the explicit L1 signalling of reconfiguration on PDSCH, A/N for PDSCH increases the reliability of TDD reconfiguration and more signaling information can be conveyed on PDSCH.
The invention concerns an optically transparent panel antenna assembly comprising an optically transparent antenna having an array of radiating elements that transmit or receive RF signals, said assembly comprising a reflector optically transparent, said reflector comprising a lower wall, two lateral walls each lateral wall extending therefrom the lower wall so that the array of radiating elements is maintained between both lateral walls of the reflector.
H01Q 1/24 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 21/08 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités étant espacées le long du trajet rectiligne ou adjacent à celui-ci
67.
Phase shifting circuit including an elongated conductive path covered by a metal sheet having stand-off feet and also including a slidable tuning member
Multiple phase shifting elements which include electrically conductive, slidable tuning members may be placed on a single circuit board. The elements may be used to adjust the phase of signals propagating through a multi-element antenna array.
H01Q 3/32 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens mécaniques
68.
MULTI-CONDUCTOR CABLES WITH SPACERS FOR CONDUCTORS
Multi-conductor cables for telecommunication systems are disclosed. One multi- conductor cable may include a plurality of fiber-optic conductors and/or power conductors extending within an outer jacket in a main body portion of the cable, and extending outside of the outer jacket in a break-out portion of the cable. A break-out boot may be attached to the outer jacket and may surround the conductors in a break-out portion of the cable. Potting material may be provided in the break-out boot within spaces between adjacent conductors to provide innovative sealing of the break-out portion.
A hybrid cable (1) for telecommunications systems is disclosed. The hybrid cable (1) may include a plurality of fiber-optic cables (10) and power cables (20) extending within an armor member (4) and an outer jacket (2) in a main body portion (1A) of the hybrid cable (1), and extending outside of the armor member (4) and the outer jacket (2) in a termination portion (lb) of the hybrid cable (1). Shielded tube assemblies (164) may be attached to the power cables (20) in the termination portion (lb) to provide electrical shielding to the power cables (20) in the termination portion (lb) of the hybrid cable (1). The shielded tube assemblies (164) may be attached to the armor member (4) to electrically ground the shielded tube assemblies (164). A method of constructing a hybrid cable is also disclosed.
Proposed is a pseudo D2D communication method suitable to a distributed remote radio frequency unit system. In the pseudo D2D communication, a scheduling device schedules a target user equipment to receive data of a last D2D subframe sent by a source user equipment through a coverage remote radio frequency unit of the target user equipment on a current D2D subframe, and schedules the source user equipment to send new data through the coverage remote radio frequency unit of the source user equipment on the current D2D subframe. The pseudo D2D communication method of the present invention can obtain the performance closing to the spectral efficiency of normal 2D communication. Also proposed is a method for scheduling communications for a source user equipment and a target user equipment in a scheduling device of a distributed remote radio frequency unit system, and the scheduled communication can be a D2D communication, or a non-D2D communication, or a pseudo D2D communication.
Switched beam antenna systems are disclosed. The disclosed antenna systems include an antenna having multiple, co-linear arrays of electromagnetic radiating elements and a Butler Matrix feed network that feeds the antenna. Each of the arrays of electromagnetic radiating elements includes an identical number of radiating elements. At least one antenna port of the Butler Matrix feed network is connected to a power divider/combiner to split the signal strength at the at least one antenna port such that signal power is distributed unequally among the arrays of electromagnetic radiating elements. Power is distributed among the arrays in a manner that provides an improved balance of side lobe suppression and overall antenna gain.
H01Q 3/40 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens électriques avec une matrice faisant varier l'angle de déphasage
H01Q 21/22 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités d'antennes du réseau étant excitées d'une façon non uniforme en amplitude ou en phase, p. ex. réseau à prises ou réseau bidirectionnel
72.
SIGNAL TRANSMISSION DEVICE APPLICABLE TO COMBINED DISTRIBUTED ANTENNA SYSTEMS
The present invention relates to a signal transmission device applicable to combined distributed antenna systems (DASs). According to an embodiment of the present invention, the signal transmission device is connected to an indoor baseband processing unit, which comprises a proximal intermediate frequency module, a plurality of remote radio frequency modules and an intermediate frequency cable connecting the proximal intermediate frequency module and the plurality of remote radio frequency modules. The proximal intermediate frequency module comprises a plurality of digital intermediate frequency processing modules and an intermediate frequency broadband power amplifier, wherein the plurality of digital intermediate frequency processing modules respectively processes each of multi-antenna or multi-technical-standard signals and are combined and connected to the intermediate frequency broadband power amplifier. The plurality of remote radio frequency modules respectively correspond to each of the multi-antenna or multi-technical-standard signals, and each of the plurality of remote radio frequency modules comprises a frequency mixer, a radio frequency power amplifier and an antenna. The present invention uses an intermediate frequency cable to transmit the multi-antenna or multi-technical-standard signals and implement seamless connection to existing DASs, thereby preventing high investments on human and material resources.
A radome (20) intended to be mounted on a concave-dish antenna (10),comprising a first layer (24) and at least one second layer (30) attached to said first layer (24) so as to increase the effective thickness of said radome (20), the surface area of said second layer (30) being strictly less than 100% of the surface area of said first layer (24).
Orthomode transducers (OMTs) and methods of fabricating OMTs are disclosed. According to disclosed embodiments, an OMT includes a housing defining an internal waveguide. The housing may be composed of a first cast housing member attached to a second cast housing member. The first housing member may include a first side of the waveguide that is cast into the first housing member. The second housing member may include a second side of the waveguide that is cast into the second housing member. A method of fabricating an OMT may include arranging at least one casting insert in at least one mold, casting the housing in the mold and casting a waveguide in the housing using the at least one casting insert. The disclosed devices and methods provide cost effective solutions for fabricating OMTs of various operating frequencies that share a substantially similar outer housing shape and size.
H01P 5/12 - Dispositifs de couplage présentant au moins trois accès
H01P 1/161 - Sélecteurs de mode, p. ex. pour empêcher ou favoriser la propagation suivant un mode donnéConvertisseurs de mode fonctionnant selon deux modes orthogonaux indépendants, p. ex. transducteurs orthomodes
H01P 11/00 - Appareils ou procédés spécialement adaptés à la fabrication de guides d'ondes, résonateurs, lignes ou autres dispositifs du type guide d'ondes
75.
CSI FEEDBACK METHOD AND DEVICE IN LARGE-SCALE ANTENNA SYSTEM
The present invention relates to a CSI feedback method and device in a system with a large number of antennas. In one embodiment, provided is a method for use in a user equipment of a large-scale antenna system, comprising: detecting a downlink channel; determining channel responses of a first number of strong propagation paths according to a multi-path propagation model, wherein the channel response of each propagation path is determined to be in the form of a matrix relevant to the following time-varying parameters: arrival direction, arrival time and path amplitude; and feeding back the first number and indication information about the time-varying parameters of the first number of strong propagation paths. By means of the sparseness of channels of the system with a large number of antennas, the feedback expenditure is reduced, and an at least equivalent system performance can be maintained.
H04B 7/04 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées
76.
METHOD FOR DETERMINING MOBILITY OF USER EQUIPMENT WITH DUAL CONNECTIONS IN COMMUNICATIONS SYSTEM
The present invention provides a method for determining mobility of a user equipment with dual connections in a communications system. In one embodiment, a user equipment sends a measurement report about a frequency occupied on a source small cell to the source small cell, and the source small cell determines a target small cell to replace the source small cell to serve the user equipment. In another embodiment, a user equipment sends a measurement report about a frequency occupied on a source small cell to a macro cell, and the macro cell determines a target small cell to replace a source small cell to serve the user equipment.
A radome for a concave-reflector antenna is fastened directly onto the reflector's edge. The inner surface of the radome comprises at least one absorbent part partially covering its surface area and disposed along its peripheral edge. The surface area of the radome covered by the absorbent part(s) is less than 15% of the total surface area. The radome may comprise two absorbent parts in diametrically opposite positions. Each absorbent part may have a substantially triangular shape, the base of the absorbent part being rounded along the radome's edge, and a portion of its surface area having been removed laterally from each side of the triangle in a circular arc cut-out.
H01Q 1/42 - Enveloppes non intimement mécaniquement associées avec les éléments rayonnants, p. ex. radome
H01Q 17/00 - Dispositifs pour absorber les ondes rayonnées par une antenneCombinaisons de tels dispositifs avec des éléments ou systèmes d'antennes actives
H01Q 19/02 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p. ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée Détails
78.
METHOD AND APPARATUS FOR MULTI-ANTENNA CHANNEL EXTRACTION CODEBOOK FEEDBACK IN MIMO SYSTEM
The present invention relates to a method and an apparatus for multi-antenna channel extraction codebook feedback in a MIMO system. In an embodiment, a method (20) comprises: (21) detecting a downlink multi-antenna channel; (22) determining a first code word corresponding to a first-level extraction codebook with a rank R; (23) feeding back an index of the first code word; (24) determining a second code word corresponding to a second-level extraction codebook with the rank R; and (25) feeding back an index of the second code word. In the solution, proper codebook extraction is introduced in a 4-antenna downlink channel two-level codebook index feedback.
Provided is a signalling notification method for inter-cell Interference coordination. The method comprises: a base station sending a call indication information unit to at least one adjacent base station in a load information message, wherein the call indication information unit is arranged to indicate an information unit related to a relative narrowband transmission power, wherein if the load information message also comprises an information unit which is indicated by the call indication information unit and is related to the relative narrowband transmission power, the information unit related to the relative narrowband transmission power indicates that the base station expects a transmission power frequency domain distribution used by the at least one adjacent base station.
The present application provides a method for controlling a measurement in a wireless communications system. The method comprises: detecting a moving speed of a user equipment in a connected state; and sending instruction signaling to the user equipment with a moving speed higher than a preset moving speed level, so as to instruct the user equipment not to detect a cell excluded in a neighboring cell list. The present application also provides a method for performing a measurement in a wireless communications system. The method comprises: sending information about a user equipment to a base station for determining a moving speed of the user equipment; when the moving speed of the user equipment is higher than a preset moving speed level, receiving instruction signaling from the base station to instruct the user equipment not to detect a cell excluded in a neighboring cell list; and only measuring a cell in the neighboring cell list according to the instruction of the instruction signaling.
H04W 48/04 - Restriction d'accès effectuée dans des conditions spécifiques sur la base des données de localisation ou de mobilité de l'utilisateur ou du terminal, p. ex. du sens ou de la vitesse de déplacement
81.
METHOD AND DEVICE FOR DISCOVERING NEIGHBOR IN DEVICE-TO-DEVICE COMMUNICATION
Embodiments of the present invention provide a method and a device for discovering a neighbor in device-to-device communication. The method comprises: selecting a pilot sequence from a pilot sequence set; determining a scramble sequence corresponding to the selected pilot sequence according to a preset correspondence between each pilot sequence in the pilot sequence set and the scramble sequence; scrambling user equipment identity information by using the determined scramble sequence; and broadcasting the scrambled user equipment identity information to a neighbor by using a neighbor discovery channel. By using the embodiments of the present invention, conflict interference of multiple user equipments on pilot signals and data signals can be restrained.
The present invention provides a method for supporting device-to-device (D2D) communication in a wireless communications system. The method comprises: receiving, from a first user equipment, a resource request message for D2D communication; and responding to the resource request message, separately sending a first physical downlink control channel and a second physical downlink control channel to the first user equipment and a second user equipment, and proving signaling for indicating a sender and a receiver of the D2D communication.
The present invention relates to a method and an apparatus for multi-antenna channel extraction codebook feedback in a MIMO system. In an embodiment, the method comprises: detecting a downlink multi-antenna channel; determining a corresponding code word in an extraction codebook with a rank R according to the detection result, an integral codebook comprising multiple DFT code words and multiple non-DFT code words, and the extraction codebook comprising a first part of code words in the multiple DFT code words and a second part of code words in the non-DFT code words or only comprising part of code words in the multiple DFT code words; and feeding back an index of the corresponding code word. In the solution, proper codebook extraction is introduced in a 4-antenna downlink channel codebook index feedback, and the solution is applicable to codebook reutilization in a case in which feedback overhead is limited.
Provided is a method for controlling a transmit power of a device-to-device link of a user equipment. The method comprises: obtaining condition of interference generated by a device-to-device link to a cellular link; and determining a transmit power of the device-to-device link of the user equipment according to the condition of interference of the device-to-device link to the cellular link, the transmit power being reduced when the interference condition is serious. By using the method, cellular communication can be normally performed when device-to-device communication occurs, and cellular communication performance attenuation caused by the device-to-device communication is avoided.
The embodiment of the present invention provides a method, apparatus and user equipment for network coverage-free neighbor discovery from user mobile terminal equipment to user mobile terminal equipment. The method comprises: detecting a primary synchronization signal from other user equipment at a piece of user equipment, and using the user equipment as a head node if no primary synchronization signal is detected. The method further comprises: the user equipment transmitting the primary synchronization signals, secondary synchronization signals and configuration information periodically. Through the method, apparatus and user equipment for network coverage-free neighbor discovery from user mobile terminal equipment to user mobile terminal equipment in the present invention, neighbor discovery can be effectively realized in the case of no network coverage, thus direct equipment-to-equipment communication is performed, and meanwhile, not only is transmission conflict avoided, but also mutual interference is inhibited.
The unitary phase-shifting system comprises at least one conductive feed line comprising an input portion connected to the phase-shifting system connected to a source of electrical power, and an output portion connected to the output of the phase- shifting system connected to at least one antenna radiating element to be fed, a fixed dielectric part surrounding the input portion of the conductive line, a moving dielectric part surrounding the output portion of the conductive line, and a control unit rigidly connected to the moving dielectric part capable of longitudinally moving so as to case the moving dielectric part to move longitudinally along the conductive line.
H01Q 3/32 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la phase relative ou l’amplitude relative et l’énergie d’excitation entre plusieurs éléments rayonnants actifsDispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens mécaniques
87.
METHOD AND APPARATUS FOR UPLINK FRACTIONAL POWER CONTROL BASED ON INTERFERENCE
The present invention provides a method and an apparatus for uplink fractional power control based on interference. The method comprises: sending a measurement configuration message to a UE served by a serving base station, the measurement configuration message being used for instructing the UE to measure a reference signal received power (RSRP) of the serving base station and an RSRP of a neighboring base station; receiving a downlink transmit power and an expected IoT operation point of the neighboring base station from the neighboring base station; receiving the RSRP value measured by the UE, of the serving base station and the RSRP value measured by the UE, of the neighboring base station; estimating a path loss between the serving base station and the neighboring base station according to the downlink transmit powers and the RSRP values of the serving base station and the neighboring base station, and selecting a neighboring base station with a smallest path loss as a strongest neighboring base station; determining interference of the UE to the strongest neighboring base station according to the estimated path loss and a specific transmit power of a serving cell for uplink transmission of the UE; and determining a specific transmit power offset of the UE for the uplink transmission of the UE according to the determined interference and the expected IoT operation point of the strongest neighboring base station.
H04W 52/14 - Analyse séparée de la liaison montante ou de la liaison descendante
H04W 52/24 - Commande de puissance d'émission [TPC Transmission power control] le TPC étant effectué selon des paramètres spécifiques utilisant le rapport signal sur parasite [SIR Signal to Interference Ratio] ou d'autres paramètres de trajet sans fil
88.
METHOD AND APPARATUS FOR QUANTIZING CHANNEL STATE INFORMATION
The present invention relates to a method and an apparatus for quantizing channel state information. An embodiment of the present invention provides a method for providing code word index information to a base station configured with Nt directional antennas. The method comprises: determining a first code word in a first codebook with a rank of r, r being equal to 1, 2, …, Nt, and sending a code word index to a base station; and determining a second code word in a second codebook with a rank of r, and sending a code word index to the base station, the first code word being a block diagonal matrix, a matrix on a diagonal block of the block diagonal matrix being a matrix with Nt/2 rows and Nb columns, the Nb columns being different Nb DFT vectors selected randomly from N predefined DFT vectors, N being 2 raised to the power of an integer, Nb being greater than or equal to 1 and greater than or equal to N, and the length of each DFT vector being Nt, each column of each corresponding data flow in the second code word comprising equal-length column selection vectors of DFT vectors separately selected from the Nb columns of the first code word and used for two polarization directions, and same-direction information between the two polarization directions, θ being equal to 2πm/M, M being 2 raised to the power of an integer, and m being greater than or equal to 0 and smaller than or equal to M-1.
The present invention relates to a multi-antenna channel codebook feedback method and apparatus in a multiple input multiple output (MIMO) system. In an embodiment, a multi-antenna channel feedback method applied in a MIMO system is provided, comprising: detecting a downlink multi-antenna channel; determining a rank according to a result of detecting the downlink multi-antenna channel, and selecting, based on a pre-determined rule, a codeword from a pre-determined codebook corresponding to the rank; and feeding back an index of the selected codeword and the rank, any codeword in the pre-determined codebook being a product of a first matrix indicating long-term broadband channel information and a second matrix indicating short-term narrowband channel information. In the technical solutions of the present invention, for MIMO multi-antenna channel feedback, finer beam selection and multiple vectors in a discrete Fourier form are implemented, and various antenna configurations comprising a closely-arranged cross-polarized linear array, a sparsely-arranged cross-polarized linear array, and a uniform linear array are supported.
H04B 7/06 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées à la station d'émission
Unitary antenna dipole radiating elements are formed. Such elements include a base portion and a plurality of shaped arm portions unitarily formed on a side of the base portion. The antenna elements are configured to transmit and receive RF signals in a high frequency range.
H01Q 1/24 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 9/28 - Éléments coniques, cylindriques, en cage, en ruban, en treillis ou éléments analogues ayant une surface de rayonnement étendueÉléments comportant deux surfaces coniques ayant le même axe et opposées par leurs sommets et alimentés par des lignes de transmission à deux conducteurs
H01Q 21/24 - Combinaisons d'unités d'antennes polarisées dans des directions différentes pour émettre ou recevoir des ondes polarisées circulairement ou elliptiquement ou des ondes polarisées linéairement dans n'importe quelle direction
91.
ADJUSTABLE COUPLINGS FOR USE WITH A BANDPASS FILTER
The invention provides an adjustable coupling for use with a bandpass filter which comprises at least two resonators, wherein the coupling comprises a coupling element arranged in cavities of the resonators, configured to capacitively couple the resonators; and an adjusting element connected with the coupling element and protruding from a space between the cavities of the resonators, configured to enable both adjustment of the coupling element's position in the cavities from outside of the filter as well as heat transfer from a coupling element to the body of a filter. The present invention also provides a bandpass filter which comprises a plurality of resonators, wherein each of the resonators comprises a cavity, a resonator rod; and one or more couplings as stated above.
The device for fastening a flat radome onto a concave antenna reflector, the radome having an outer surface and an inner surface and the reflector having an outer surface and an inner surface, the inner surface of the radome and the inner surface of the reflector facing one another, which device comprises an upper flange part placed against the outer surface of the radome and covering the peripheral segment of the reflector and of the radome, and a lower flange part placed against the outer surface of the reflector, having a shape adapted to the profile of the outer surface of the reflector, and comprising at least one electromagnetic trap. Preferentially, the electromagnetic trap has the shape of a conductive-surface slot having a width on the order of one-tenth the antenna's working wavelength and a depth on the order of one-quarter of that wavelength. According to one variant, the electromagnetic trap further comprises an edge along the slot.
Sealing portions of an orthomode transducer or another antenna component is accomplished by forming first and second receptacles or channels in one half or portion of the transducer and inserting first and second type of compressible sealing components into the receptacles. Upon attaching additional portions of the transducer the compressible sealing components may be compressed, but the compression is limited to an amount within a compression range to maintain a seal.
H01Q 1/00 - Détails de dispositifs associés aux antennes
H01Q 1/02 - Dispositifs de dégivrageDispositifs de séchage
H01P 11/00 - Appareils ou procédés spécialement adaptés à la fabrication de guides d'ondes, résonateurs, lignes ou autres dispositifs du type guide d'ondes
94.
Methods and devices for protecting antenna components from contaminants
Sealing portions of an orthomode transducer or another antenna component is accomplished by forming first and second receptacles or channels in one half or portion of the transducer and inserting first and second type of compressible sealing components into the receptacles. Upon attaching additional portions of the transducer the compressible sealing components may be compressed, but the compression is limited to an amount within a compression range to maintain a seal.
H01Q 1/00 - Détails de dispositifs associés aux antennes
H01P 11/00 - Appareils ou procédés spécialement adaptés à la fabrication de guides d'ondes, résonateurs, lignes ou autres dispositifs du type guide d'ondes
H01Q 1/02 - Dispositifs de dégivrageDispositifs de séchage
The present invention relates to method and apparatus for channel direction information feedback in a heterogeneous system. According to an embodiment of the present invention, a method for radio link monitoring in a user equipment, comprises: estimating downlink radio link quality; comparing the estimated downlink radio link quality with at least an out-of-sync enhanced physical downlink control channel-EPDCCH threshold which denotes a radio link quality level corresponding to a predetermined block error rate of a hypothetical EPDCCH transmission; determining that the radio link is at an out-of-sync status based on at least comparison between the estimated downlink radio link quality and the out-of sync EPDCCH threshold; comparing the estimated downlink radio link quality with at least an in-sync EPDCCH threshold which denotes a radio link quality level corresponding to a predetermined block error rate of the hypothetical EPDCCH transmission; determining that the radio link is at an in-sync status based on at least comparison between the estimated downlink radio link quality and the in-sync EPDCCH threshold; indicating to higher layers the determined status of the radio link. The embodiments of the present invention further relate to corresponding user equipment and computer program product.
The present invention provides a channel reciprocity compensating solution in an FDD communication system. The solution comprises: a base station sending downlink reference signals corresponding to a certain number of sub-carriers to a user equipment; the user equipment estimating downlink channel matrixes on the certain number of sub-carriers, and estimating downlink channel matrixes on all the sub-carriers; the user equipment selecting and sending a part of the estimated downlink channel matrixes on all the sub-carriers as training samples H̑DL to the base station; the user equipment sending an uplink sounding reference signal to the base station; the base station receiving the training samples H̑DL from the user equipment and receiving the uplink sounding reference signal from the user equipment, and estimating an uplink channel matrix ÇUL according to the uplink sounding reference signal; the base station using a covariance matrix of the uplink channel matrix to estimate an uplink departure angle θ based on the estimated uplink channel matrix ÇUL, and constructing a compensating matrix T(è); estimating A and B based on the training samples H̑DL and the uplink channel matrix ÇUL; and the base station reconstructing an estimated ÇDL of the downlink channel matrix according to the following formulas: ΗDL=A·H̑DL·B and H̑DL=ΗTUL·T(θ).
H04B 7/04 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées
97.
AN ADJUSTABLE COUPLING FOR USE WITH AN INPUT RESONATOR AND/OR AN OUTPUT RESONATOR OF A BANDPASS FILTER
The invention provides an adjustable coupling for use with an input resonator and/or an output resonator of a bandpass filter. According to an embodiment of the invention, an input resonator comprising the adjustable coupling, an output resonator comprising the adjustable coupling and a bandpass filter comprising the abovementioned input resonator and/or the abovementioned output resonator. According to an embodiment of the invention, the adjustable coupling comprises: an inductive loop including a first portion connected with the coaxial port and secured at the bottom of the cavity and an extension extending upwards from the first portion and an adjusting element spaced from the inductive loop and subjected to influence from capacitive coupling between the inductive loop and the resonator rod, wherein the adjusting element is adapted for displacement between a first position in which input coupling strength is maximized and a second position in which the input coupling strength is minimized, by adjusting the interaction between the inductive loop and the resonator rod via the extension.
An antenna structure includes an in-line portion for radiating electromagnetic energy signals in low and high frequency ranges. The in-line portion may be constructed to provide improved control beam width stability of a high-frequency, antenna radiating element. The antenna structure includes one or more shaped structure configured to improve the beam width stability and cross-polarization of one or more high-frequency elements, and to shift resonance from the high-frequency elements to a range that is below the range of a low-frequency, antenna radiating element
H01Q 1/24 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 1/52 - Moyens pour réduire le couplage entre les antennesMoyens pour réduire le couplage entre une antenne et une autre structure
H01Q 21/08 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités étant espacées le long du trajet rectiligne ou adjacent à celui-ci
H01Q 21/28 - Combinaisons d'unités ou systèmes d'antennes sensiblement indépendants et n’interagissant pas entre eux
The invention provides a method for use in a user equipment configured with EPDCCH, the method comprising: measuring downlink radio link quality corresponding to UE-specific search space in EPDCCH; and sending an EPDCCH CQI to a serving base station to indicate the measured downlink radio link quality. The invention further provides a method for use in a user equipment configured with EPDCCH, the method comprising: measuring downlink radio link quality corresponding to UE-specific search space in EPDCCH; and sending an EPDCCH failure indicator to a serving base station when the measured downlink radio link quality does not meet a predetermined condition. The invention further provides a method for use in a user equipment configured with EPDCCH, the method comprising: measuring downlink radio link quality corresponding to common search space in PDCCH on frames where EPDCCH is configured; and triggering radio link failure when the measured downlink radio link quality does not meet a predetermined condition.
The present invention relates to a coupling structure of a surface-painted conductor for microware system, comprising a first conductor; and a second conductor configured to support the first conductor, wherein the first conductor and the second conductor are coupled with each other and at least one of the surfaces with which the first conductor and the second conductor are contacted with each other is painted with a painted layer, the painted layer is configured for to form an electric isolation between the first conductor and the second conductor. The coupling structure uses the painted layer with electric isolation characteristics instead of the conventional film and the electric isolation functionality of the coupling structure could be further improved, because the position of the painted layer may not be changed any more. Furthermore, the conventional painting is a well-known established process and thus the thickness of the painted layer could be well controlled to ensure the coupling structure with good radio frequency characteristics.
brevets
