Abstract: The present invention relates to a multi-user multi-stream beamforming method and apparatus, and a base station. The multi-user multi-stream beamforming method includes the steps of: a) calculating a beamforming matrix of each user in the multi-user according to a minimum leakage principle; b) determining a user average Signal to Leakage Noise Ratio (SLNR) of the multi-user according to the beamforming matrix of each user; c) determining whether the user average SLNR is stable, and if the user average SLNR is not stable, returning to step a) to recalculate the beamforming matrix of each user by using the calculated beamforming matrix of each user.

Abstract: A code generating apparatus, demodulation reference signal generating apparatus, and methods thereof. The demodulation reference signal generator includes generating a non-correlation sequence for RS of a first resource block; spreading spectrums of elements in the non-correlation sequence for RS to be mapped to a first frequency resource of the first resource block, by using a first group of codes; second spreading spectrums of elements in the non-correlation sequence for RS to be mapped to a second frequency resource of the first resource block, by using a second group of Codes; the first and second frequency resources are adjacent frequency resources in frequency resource elements used for RS transmission in the first resource block, and the first and second groups of Codes are mirrors in column to each other; and mapping the spectrum-spread elements to the first and second frequency resources, respectively.

Abstract: A wireless communication system in which a plurality of base station devices perform a coordinated transmission to a wireless terminal device. Including transmitting a first control channel indicating new data or retransmission data from a first base station device; receiving the first control channel, by a wireless terminal device, and receiving at least one of data transmitted by the first base station device using a resource indicated by the received first control channel and data coordinately transmitted by a second base station device using a resource indicated by the received first control channel; transmitting, by the wireless terminal device, a second control channel related to a retransmission of the received data; controlling, by the wireless terminal device, Hybrid Automatic Repeat reQuest (HARQ) process for data coordinately transmitted by at least the first base station device and the second base station device based on the first control channel.

Abstract: Embodiments of the present invention provide an MU-MIMO transmission method, user equipment and base station. The method comprises: receiving by user equipment a signaling indication indicative of supporting a user to use a layer index transmitted by a base station, the signaling indication including a first layer index and a sum number of layers of the user equipment; and demodulating a received resource according to the first layer index and the sum number of layers of the user equipment; wherein in the resource, consecutive layer indices are adopted for data corresponding to the same user equipment. With the embodiments of the present invention, a mapping manner from a codeword to a layer may be further limited and optimized, and compromise of the feedback overhead, feedback accuracy and system signaling overhead may be better achieved.

Abstract: The invention relates to the FCGR2B gene and its promoter. In particular, the invention relates to FCGR2B promoters with specific nucleotides at polymorphic sites. Characterization of the nucleotides at polymorphic sites is useful for characterizing the gene and the protein and is useful for determining predisposition or susceptibility to certain diseases and infections in a subject or a population of subjects. Such characterization of the gene or protein is also useful for determining immunoresponsiveness or responsiveness to therapeutic agents in a subject or population of subjects. Thus, disclosed herein are a variety of related nucleic acids, methods and tools.

Abstract: A method and an apparatus for generating a precoding matrix codebook group are provided by the present invention. The method includes: a step for generating a channel matrix set; a step for generating a performance parameter matrix; and a step for generating a precoding matrix codebook group: based on the generated performance parameter matrix, according to contribution of every precoding matrix to the performance parameter of the communication system, ranking the precoding matrices in precoding matrix universal set, so as to achieve an ordered precoding matrix universal set as the precoding matrix codebook group. A method for assigning a precoding matrix for a multi-antenna communication system, a method for transmitting data for a multi-antenna communication system, a base station and a mobile station thereof are provided by the present invention.

Abstract: A first base station and a second base station perform a coordinated transmission process to a wireless terminal. The first base station includes a transmission unit that transmits to the wireless terminal a first control channel which indicates new data or retransmission data. The wireless terminal includes: a control channel reception unit; a data reception unit for receiving data from the first base station and data coordinately transmitted from the second base station using a resource which is indicated by the first control channel; a control channel transmission unit that transmits a second control channel related to a retransmission of the data received by the data reception unit to at least the first base station; and a reception control unit that controls Hybrid Automatic Repeat reQuest (HARQ) process for data coordinately transmitted by at least the first base station and the second base station based on the first control channel.

Abstract: Embodiments of the present invention provide method for configuring a transmission mode, user equipment and a base station. The method includes: receiving, by the user equipment, a higher layer signaling transmitted by the base station, the higher layer signaling containing information instructing the user equipment to configure a transmission mode; and configuring the transmission mode for the user equipment according to the information, the transmission mode being based on a CRS or a DM-RS. With the embodiments of the present invention, reusable bandwidth resources may be increased.

Abstract: Embodiments of the present invention provide a power compensating method, user equipment and base station. The method comprises: receiving by the base station a pathloss value reported by the user equipment, or calculating the pathloss value according to a reference signal receiving power value reported by the user equipment; and compensating for power according to the pathloss value. With the embodiments of the present invention, power of signals may be compensated, and the power of the receiving side is made identical in uplink or downlink transmission, thereby multiplexing a transmission mode based on a codebook.

Abstract: In a communication system, a transmitter device transmits data to a receiver device for performing error-correcting decoding processing by combining received data and retransmitted data. The transmitter device selects one of a first set of schemes of an M number of modulation and coding schemes as a modulation and coding scheme (MCS) of first data according to communication quality information obtained from the receiver device when the first data is initially transmitted, and selects one of a second set of schemes of an N number of MCSs (N<M) according to the communication quality information when the first data is retransmitted. The transmitter device generates a control signal including information indicating the selected MCS so that an amount of information of the MCS selected from the second set of schemes is less than an amount of information of the MCS selected from the first set of schemes.

Abstract: A communication system includes a communication station that converts a value information into a code value based on a corresponding relationship in which a difference between a first value information and a second value information is set to any value equal to or greater than two, where the second value information corresponds to a code value where an error occurs in one bit of the code value corresponding to the first value information.

Abstract: A method for configuring resource, method for transmitting response signal, base station and user equipment. The method for configuring resource comprises: configuring a PHICH resource in a data region of a second slot in the data resources scheduled to user equipment in a current subframe. The base station may transmit a response signal via the configured data resource. As a new PHICH resource is configured, the problem of inadequate PHICH resources existed at present is solved.

Abstract: A cell identifier allocation apparatus and method, a base station, a readable program and a medium including acquiring location information of a macro base station and location information of each of a plurality of remote transmitting apparatuses connected to the macro base station; determining relative distances between the plurality of remote transmitting apparatuses and relative distances between the macro base station and each of the plurality of remote transmitting apparatuses; classifying the macro base station and the plurality of remote transmitting apparatuses into a plurality of sets, according to the relative distances between the plurality of remote transmitting apparatuses and the relative distances between the macro base station and each of the plurality of remote transmitting apparatuses; allocating cell identifiers to the plurality of remote transmitting apparatuses; and generating information to be transmitted to corresponding remote transmitting apparatus according to the allocated cell iden

Abstract: A new-part acquiring unit acquires a part of a block generated by a block generating unit, as a new part to be contained in a packet. A retransmission-part acquiring unit acquires a part of a block corresponding to a NAK as a retransmission part to be contained in a packet among blocks held in a retransmission buffer unit. An encoding unit groups a new part acquired by the new-part acquiring unit and a retransmission part acquired by the retransmission-part acquiring unit, and generates a packet. A modulating unit modulates a packet output from the encoding unit. A wireless processing unit performs a predetermined wireless transmission process to a modulated packet, and transmits a processed modulated packet via an antenna.

Abstract: This invention proposes an automatic retransmission controller and a retransmission block recombination apparatus, of which the automatic retransmission controller comprises a responsive reception unit that receives the information fed back from the receiver; a retransmission judging unit that determines coded data blocks to be retransmitted according to the information received by the responsive reception unit; and a data acquisition unit that acquires a part of data in each of the coded data blocks to be retransmitted judged by the retransmission judging unit for recombination to form a retransmission coded block, when the number of the coded data blocks to be transmitted is more than one.

Abstract: A method, a wireless communication system, destination node and relay node includes receiving by a destination node at current time slot the data transmitted by at least one source node; demodulating and decoding the data transmitted by at least one source node to obtain a decoding result; receiving the decoding result transmitted by first relay nodes, the decoding result being obtained by the first relay nodes through demodulating and decoding the data transmitted by at least one source node and received at the current time slot; and notifying the source node to retransmit the data or transmit new data at the next time slot by the destination node according to the result of the demodulating and decoding of the data of the source node and the decoding result of the first relay nodes.

Abstract: The present invention discloses a method and a device for selecting a cell in a heterogeneous network. The method comprises estimating signal to noise ratios when a terminal is scheduled by a macro base station and a low power base station respectively by using the parameters of the macro base station and the low power base station measured by the terminal and related to signal reception quality (S101); mapping the estimated signal to noise ratios to throughputs, and obtaining a first throughput when the terminal is scheduled by the macro base station, and a second throughput when the terminal is scheduled by the low power base station (S102); and adjusting a cell selection offset according to the first throughput and the second throughput, so that the terminal can perform cell selection according to the adjusted cell selection offset (S103).

Abstract: A method, device, system, User Equipment (UE), computer readable medium and programme product for allocating uplink channel resource of cooperative multi-point transmission/reception are disclosed. The method includes receiving involved information for allocating uplink control channel resource or uplink detection reference signal resource in at least one of other cells; according to the information for allocating the uplink control channel resource or the uplink detection reference signal resource in the involved main cell and at least one of other cells, determining the uplink channel resource which does not overlap the uplink control channel resource or the uplink channel resource allocated for an uplink communication in the main cell and at least one of other cells; and allocating the determined uplink channel resource for the uplink cooperative multi-point transmission/reception in the involved main cell and at least one of other cells.

Abstract: A mobile terminal, a micro base station, a macro base station, a communication system and a communication method. The method includes receiving from a micro base station a designation of specific subframe and a designation of feedback mode; judging whether a current subframe is a specific subframe designated by the micro base station; and measuring and feeding back the channel condition of the current subframe in a joint transmission feedback mode when the current subframe is the specific subframe designated by the micro base station, and measuring and feeding back the channel condition of the current subframe in a feedback mode designated by the micro base station when the current subframe is not the specific subframe designated by the micro base station.

Abstract: A radio communication system includes a reception apparatus and a transmission apparatus. The reception apparatus includes a first wireless communication interface and a first processor. The transmission apparatus includes a second wireless communication interface configured to transmit a wireless signal to the reception apparatus and a second processor configured for generating a plurality of data blocks and a grouped data block obtained by grouping the plurality of data blocks and controlling the second wireless communication interface to transmit the plurality of data blocks through a first radio transmission path, and to transmit the grouped data block through a second radio transmission path better in radio transmission quality than the first radio transmission path.