PL3661069T3 - Sposób raportowania informacji o stanie kanału, sprzęcie użytkownika i stacji bazowej - Google Patents

Sposób raportowania informacji o stanie kanału, sprzęcie użytkownika i stacji bazowej

Info

Publication number
PL3661069T3
PL3661069T3 PL19191870T PL19191870T PL3661069T3 PL 3661069 T3 PL3661069 T3 PL 3661069T3 PL 19191870 T PL19191870 T PL 19191870T PL 19191870 T PL19191870 T PL 19191870T PL 3661069 T3 PL3661069 T3 PL 3661069T3
Authority
PL
Poland
Prior art keywords
base station
user equipment
state information
channel state
reporting channel
Prior art date
Application number
PL19191870T
Other languages
English (en)
Inventor
Jianguo Wang
Yongxing Zhou
Jianghua Liu
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of PL3661069T3 publication Critical patent/PL3661069T3/pl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0417Feedback systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0473Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
PL19191870T 2013-04-15 2013-04-15 Sposób raportowania informacji o stanie kanału, sprzęcie użytkownika i stacji bazowej PL3661069T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/CN2013/074214 WO2014169421A1 (zh) 2013-04-15 2013-04-15 一种报告信道状态信息的方法、用户设备和基站
EP19191870.5A EP3661069B1 (en) 2013-04-15 2013-04-15 Method for reporting channel state information, user equipment, and base station
EP13882430.5A EP2985921B1 (en) 2013-04-15 2013-04-15 Method for reporting channel state information, user device, and base station
EP17187683.2A EP3306827B1 (en) 2013-04-15 2013-04-15 Method for reporting channel state information, user equipment, and base station

Publications (1)

Publication Number Publication Date
PL3661069T3 true PL3661069T3 (pl) 2022-01-17

Family

ID=51730659

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19191870T PL3661069T3 (pl) 2013-04-15 2013-04-15 Sposób raportowania informacji o stanie kanału, sprzęcie użytkownika i stacji bazowej

Country Status (5)

Country Link
US (6) US9608708B2 (pl)
EP (3) EP3306827B1 (pl)
CN (3) CN107888269B (pl)
PL (1) PL3661069T3 (pl)
WO (1) WO2014169421A1 (pl)

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KR102027075B1 (ko) * 2015-08-24 2019-09-30 후아웨이 테크놀러지 컴퍼니 리미티드 프리코딩 정보 송신 및 피드백 방법 및 장치
CN108370265B (zh) * 2015-12-29 2021-09-07 华为技术有限公司 一种确定预编码矩阵的方法及装置
CN107431511A (zh) 2016-03-31 2017-12-01 瑞典爱立信有限公司 用于确定无线通信网络中的预编码器参数的方法和设备
JP6750926B2 (ja) * 2016-04-01 2020-09-02 ホアウェイ・テクノロジーズ・カンパニー・リミテッド プリコーディング行列インジケータフィードバック方法および装置
CN107370525B (zh) * 2016-05-12 2021-03-30 华为技术有限公司 用于信道状态信息反馈的方法、基站、终端设备及系统
WO2017195183A1 (en) 2016-05-13 2017-11-16 Huawei Technologies Co., Ltd. Precoding and channel state information acquisition for multi-stream transmissions in massive mimo systems
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CN108288987B (zh) * 2017-01-07 2021-10-01 华为技术有限公司 一种发射分集的方法、终端和基站
EP3567771B1 (en) * 2017-01-25 2022-01-19 Huawei Technologies Co., Ltd. Method for transmitting channel state information, access network device, and terminal device
CN108631838A (zh) * 2017-03-24 2018-10-09 华为技术有限公司 信令的发送方法,装置和系统
CN108631999B (zh) * 2017-03-25 2021-07-09 华为技术有限公司 信令的发送方法,装置和系统
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CN111316692B (zh) * 2017-11-17 2022-04-26 华为技术有限公司 信道状态信息的反馈方法、通信装置和系统
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CN111435848B (zh) 2019-01-11 2022-05-31 华为技术有限公司 指示和确定预编码向量的方法以及通信装置
US10924240B2 (en) * 2019-03-26 2021-02-16 Qualcomm Incorporated Sounding reference signal transmission to indicate a virtual antenna port
WO2021038669A1 (ja) * 2019-08-23 2021-03-04 株式会社Nttドコモ 端末及び無線通信方法
CN114375417A (zh) 2019-09-24 2022-04-19 贝尔-赫拉恒温控制有限公司 具有集成的光学操作接近传感器系统的显示装置
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Also Published As

Publication number Publication date
EP3661069A1 (en) 2020-06-03
CN107872261B (zh) 2023-04-11
US10063296B2 (en) 2018-08-28
US20180069609A1 (en) 2018-03-08
CN107872261A (zh) 2018-04-03
EP2985921B1 (en) 2017-08-30
US20180351616A1 (en) 2018-12-06
US10447356B2 (en) 2019-10-15
CN104541456B (zh) 2017-11-28
WO2014169421A1 (zh) 2014-10-23
CN104541456A (zh) 2015-04-22
EP2985921A1 (en) 2016-02-17
US20170163321A1 (en) 2017-06-08
CN107888269A (zh) 2018-04-06
EP3306827A1 (en) 2018-04-11
EP3306827B1 (en) 2019-09-11
US9838097B2 (en) 2017-12-05
US10735063B2 (en) 2020-08-04
US11184062B2 (en) 2021-11-23
US20160036507A1 (en) 2016-02-04
US9608708B2 (en) 2017-03-28
CN107888269B (zh) 2022-12-13
US20200358489A1 (en) 2020-11-12
EP2985921A4 (en) 2016-02-24
US20200044700A1 (en) 2020-02-06
EP3661069B1 (en) 2021-08-18

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