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62 条记录 (耗时 0.028 秒)

    CHANNEL STATE INFORMATION TRANSMISSION/RECEPTION METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM
    5.
    发明公开
    CHANNEL STATE INFORMATION TRANSMISSION/RECEPTION METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：EP3681051A1

    公开(公告)日：2020-07-15

    申请号：EP20160792.6

    申请日：2013-06-11

    申请人： Samsung Electronics Co., Ltd.

    发明人： KIM, Youn Sun ,  LEE, Ju Ho ,  LEE, Hyo Jin ,  CHO, Joon Young ,  JI, Hyoung Ju

    IPC分类号： H04B7/04 ,  H04L5/00

    摘要： A method and an apparatus for transmitting/receiving channel state information for use in multi-antenna system are provided. A signal communication method of a base station having a plurality of antennas in a wireless communication system includes determining antenna ports of first and second directions based on directions of the plurality of antennas, allocating channel measurement resources for the respective antenna ports to a terminal, transmitting a feedback configuration to the terminal according to the channel measurement resources, and receiving feedback information from the terminal based on the channel measurement resource and the feedback configuration. The signal transmission/reception method and apparatus are advantageous in transmitting/receiving channel state information efficiently in the system using a plurality of antennas.

    METHODS AND APPARATUSES IN A WIRELESS COMMUNICATION SYSTEM
    6.
    发明公开
    METHODS AND APPARATUSES IN A WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：EP3462799A1

    公开(公告)日：2019-04-03

    申请号：EP18207368.4

    申请日：2012-09-24

    申请人： Samsung Electronics Co., Ltd.

    发明人： KIM, Youngbum ,  LEE, Ju Ho ,  CHO, Joon Young

    IPC分类号： H04W74/00 ,  H04W74/08

    摘要： A method by a terminal in a wireless communication system, the method comprising: receiving a master information block, MIB, including information associated with resource for a physical downlink control channel, PDCCH, from a base station; determine frequency resource and time resource for the PDCCH based on the information associated with resource for the PDCCH; detecting downlink control information including scheduling information based on the frequency resource and the time resource; and receiving, from the base station, system information based on the scheduling information.

    METHOD AND APPARATUS FOR TRANSMITTING UPLINK AND DOWNLINK DATA IN TDD SYSTEM
    8.
    发明公开
    METHOD AND APPARATUS FOR TRANSMITTING UPLINK AND DOWNLINK DATA IN TDD SYSTEM 审中-公开

    公开(公告)号：EP3386138A1

    公开(公告)日：2018-10-10

    申请号：EP18173460.9

    申请日：2013-02-14

    申请人： Samsung Electronics Co., Ltd.

    发明人： JI, Hyoung Ju ,  CHO, Joon Young ,  CHOI, Seung Hoon ,  KIM, Young Bum ,  LEE, Ju Ho

    IPC分类号： H04L1/18 ,  H04J3/00

    摘要： A method and an apparatus for transmitting uplink/downlink data on Time Division Duplexing (TDD) carriers are provided. The method includes transmitting to a base station in a Primary Cell (PCell) and a Secondary Cell (SCell), a TDD Uplink-Downlink (UL-DL) configuration of the PCell having a DL subframe super-set or UL subset that are common in the SCell and the PCell and a TDD UL-DL configuration differing from each other, receiving data at a first subframe in the SCell, and transmitting, when a UL subframe set of the SCell is a subset of a UL subframe of the PCell, a feedback corresponding to the data at a subframe predefined in association with the first subframe in the PCell according to the TDD UL-DL configuration of the SCell. The method supports both the self-scheduling and cross-carrier scheduling of the UE using carriers of different TDD configurations.

    COMMUNICATION METHOD AND APPARATUS USING CODEBOOK IN MIMO SYSTEM
    9.
    发明授权
    COMMUNICATION METHOD AND APPARATUS USING CODEBOOK IN MIMO SYSTEM 有权

    公开(公告)号：EP2443764B1

    公开(公告)日：2018-08-15

    申请号：EP10789770.4

    申请日：2010-06-21

    申请人： Samsung Electronics Co., Ltd.

    发明人： YEON, Myung Hoon ,  CHO, Joon Young ,  LEE, Ju Ho

    IPC分类号： H04B7/04

    CPC分类号： H04B7/0465 ,  H04B7/0447 ,  H04B7/0617 ,  H04B7/0619 ,  H04L5/0023 ,  H04L27/2614

    摘要： A method and apparatus for transmitting and receiving signals using a codebook which maps each codeword to at least two different antennas is provided for a MIMO system. A transmission method includes mapping multiple codewords to multiple layers; mapping the multiple layers to multiple antennas using a precoding matrix selected from a rank-3 codebook which is designed to map the codewords to different antennas; and transmitting the codewords through paths formed by mapping the layers and the antennas. The precoding matrix of the rank-3 codebook is designed to equalize transmit power ratios between the antennas. The communication method and apparatus is advantageous to solve the problem of transmit power imbalance among the layers and the problem of performance degradation at the high SNR region in the conventional system using the rank-3 precoding matrices.