CN110168949A - 用于反馈信道状态信息的方法、终端设备和网络设备 - Google Patents
用于反馈信道状态信息的方法、终端设备和网络设备 Download PDFInfo
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- CN110168949A CN110168949A CN201780083321.4A CN201780083321A CN110168949A CN 110168949 A CN110168949 A CN 110168949A CN 201780083321 A CN201780083321 A CN 201780083321A CN 110168949 A CN110168949 A CN 110168949A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity 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
- H04B7/0615—Diversity 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
- H04B7/0619—Diversity 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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity 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
- H04B7/0615—Diversity 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
- H04B7/0619—Diversity 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
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity 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
- H04B7/0615—Diversity 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
- H04B7/0619—Diversity 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
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
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- 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)
Abstract
本发明实施例用于反馈信道状态信息的方法、终端设备和网络设备,有利于网络设备获取高精度的CSI。该方法包括:终端设备向网络设备发送降维矩阵的矩阵信息,所述降维矩阵的第一维度与所述网络设备的发送天线端口的数量相同,且所述降维矩阵的第二维度小于所述降维矩阵的第一维度;所述终端设备向所述网络设备发送下行等效信道的特征向量的向量信息,所述下行等效信道的特征向量基于所述降维矩阵得到;其中,所述矩阵信息包括所述降维矩阵的矩阵索引,或者,所述矩阵信息包括所述终端设备通过对所述降维矩阵的元素进行量化得到的信息,所述向量信息包括所述特征向量的向量索引,或者,所述向量信息包括所述终端设备通过对所述特征向量的元素进行量化得到的信息。
Description
PCT国内申请,说明书已公开。
Claims (30)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/072731 WO2018137235A1 (zh) | 2017-01-26 | 2017-01-26 | 用于反馈信道状态信息的方法、终端设备和网络设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110168949A true CN110168949A (zh) | 2019-08-23 |
CN110168949B CN110168949B (zh) | 2021-06-01 |
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Application Number | Title | Priority Date | Filing Date |
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CN201780083321.4A Active CN110168949B (zh) | 2017-01-26 | 2017-01-26 | 用于反馈信道状态信息的方法、终端设备和网络设备 |
Country Status (7)
Country | Link |
---|---|
US (2) | US10778294B2 (zh) |
EP (1) | EP3565133B1 (zh) |
JP (1) | JP6911129B2 (zh) |
KR (1) | KR102202364B1 (zh) |
CN (1) | CN110168949B (zh) |
RU (1) | RU2720178C1 (zh) |
WO (1) | WO2018137235A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111431567A (zh) * | 2020-03-30 | 2020-07-17 | 内蒙古大学 | 一种毫米波大规模波束空间mimo系统 |
CN114070514A (zh) * | 2020-08-06 | 2022-02-18 | 大唐移动通信设备有限公司 | 控制信息的接收处理方法、装置、电子设备及存储介质 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4109777A1 (en) | 2017-05-05 | 2022-12-28 | Apple Inc. | Management of mimo communication systems |
WO2019197030A1 (en) * | 2018-04-12 | 2019-10-17 | Huawei Technologies Co., Ltd. | Channel covariance matrix conversion |
US11031981B1 (en) * | 2020-01-31 | 2021-06-08 | Qualcomm Incorporated | Spatial diversity reporting for effective reliable and low-latency communications |
CN113810096B (zh) * | 2021-08-31 | 2022-06-10 | 东南大学 | 大规模mimo卫星移动通信上行传输方法及系统 |
CN117097376A (zh) * | 2022-05-11 | 2023-11-21 | 华为技术有限公司 | 一种通信方法及装置 |
CN117336122A (zh) * | 2022-06-24 | 2024-01-02 | 华为技术有限公司 | 一种通信方法及装置 |
CN116827402B (zh) * | 2023-08-29 | 2024-01-05 | 极芯通讯技术(南京)有限公司 | 下行信道波束赋形方法及相关设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103188058A (zh) * | 2011-12-27 | 2013-07-03 | 财团法人工业技术研究院 | 通道信息反馈方法及其无线通信装置 |
CN104539335A (zh) * | 2014-12-24 | 2015-04-22 | 无锡北邮感知技术产业研究院有限公司 | 一种大规模天线系统的有限反馈方法及装置 |
CN105827293A (zh) * | 2016-04-06 | 2016-08-03 | 郑州大学 | 一种多用户广义空间调制系统线性迫零预编码方法 |
US20160294457A1 (en) * | 2015-04-01 | 2016-10-06 | Samsung Electronics Co., Ltd. | Apparatus and method for feeding back channel information in wireless communication system |
WO2017000258A1 (zh) * | 2015-06-30 | 2017-01-05 | 华为技术有限公司 | 一种获取信道状态信息的方法、装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6907270B1 (en) * | 2000-10-23 | 2005-06-14 | Qualcomm Inc. | Method and apparatus for reduced rank channel estimation in a communications system |
US7684761B2 (en) * | 2004-11-04 | 2010-03-23 | Nokia Corporation | Closed-loop signalling method for controlling multiple transmit beams and correspondingly adapted transceiver devices |
CN1841985A (zh) * | 2005-03-30 | 2006-10-04 | 松下电器产业株式会社 | 多天线系统的有限反馈方法 |
WO2009105418A1 (en) * | 2008-02-20 | 2009-08-27 | Hobbit Wave | Beamforming devices and methods |
CN102104452B (zh) | 2009-12-22 | 2013-09-11 | 华为技术有限公司 | 信道状态信息反馈方法、信道状态信息获得方法及设备 |
KR101671292B1 (ko) * | 2010-04-08 | 2016-11-01 | 삼성전자주식회사 | 채널 품질 정보를 요청하고 제공하는 방법 및 장치 |
US9755719B2 (en) * | 2014-06-12 | 2017-09-05 | Lg Electronics Inc. | Method for configuring codebook in multi-antenna wireless communication system and device therefor |
US20160072562A1 (en) * | 2014-09-10 | 2016-03-10 | Samsung Electronics Co., Ltd. | Channel state information reporting with basis expansion for advanced wireless communications systems |
CN104683074B (zh) * | 2015-03-13 | 2018-09-11 | 重庆邮电大学 | 基于压缩感知的大规模mimo系统有限反馈方法 |
CN106160938B (zh) * | 2015-04-20 | 2020-10-30 | 中兴通讯股份有限公司 | 一种信道信息的获取方法和装置 |
CN105763234B (zh) * | 2016-02-25 | 2018-08-21 | 东南大学 | 毫米波mimo时域有限信道状态信息反馈方法及装置 |
-
2017
- 2017-01-26 RU RU2019126633A patent/RU2720178C1/ru active
- 2017-01-26 KR KR1020197023791A patent/KR102202364B1/ko active IP Right Grant
- 2017-01-26 WO PCT/CN2017/072731 patent/WO2018137235A1/zh unknown
- 2017-01-26 EP EP17894492.2A patent/EP3565133B1/en active Active
- 2017-01-26 JP JP2019540428A patent/JP6911129B2/ja active Active
- 2017-01-26 CN CN201780083321.4A patent/CN110168949B/zh active Active
-
2019
- 2019-07-26 US US16/523,409 patent/US10778294B2/en active Active
-
2020
- 2020-09-01 US US17/009,383 patent/US20200403659A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103188058A (zh) * | 2011-12-27 | 2013-07-03 | 财团法人工业技术研究院 | 通道信息反馈方法及其无线通信装置 |
CN104539335A (zh) * | 2014-12-24 | 2015-04-22 | 无锡北邮感知技术产业研究院有限公司 | 一种大规模天线系统的有限反馈方法及装置 |
US20160294457A1 (en) * | 2015-04-01 | 2016-10-06 | Samsung Electronics Co., Ltd. | Apparatus and method for feeding back channel information in wireless communication system |
WO2017000258A1 (zh) * | 2015-06-30 | 2017-01-05 | 华为技术有限公司 | 一种获取信道状态信息的方法、装置 |
CN105827293A (zh) * | 2016-04-06 | 2016-08-03 | 郑州大学 | 一种多用户广义空间调制系统线性迫零预编码方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111431567A (zh) * | 2020-03-30 | 2020-07-17 | 内蒙古大学 | 一种毫米波大规模波束空间mimo系统 |
CN114070514A (zh) * | 2020-08-06 | 2022-02-18 | 大唐移动通信设备有限公司 | 控制信息的接收处理方法、装置、电子设备及存储介质 |
CN114070514B (zh) * | 2020-08-06 | 2023-03-14 | 大唐移动通信设备有限公司 | 控制信息的接收处理方法、装置、电子设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
KR102202364B1 (ko) | 2021-01-13 |
CN110168949B (zh) | 2021-06-01 |
RU2720178C1 (ru) | 2020-04-27 |
EP3565133A4 (en) | 2019-11-13 |
WO2018137235A1 (zh) | 2018-08-02 |
US20190349035A1 (en) | 2019-11-14 |
EP3565133A1 (en) | 2019-11-06 |
JP2020506609A (ja) | 2020-02-27 |
JP6911129B2 (ja) | 2021-07-28 |
KR20190104597A (ko) | 2019-09-10 |
US10778294B2 (en) | 2020-09-15 |
EP3565133B1 (en) | 2021-04-21 |
US20200403659A1 (en) | 2020-12-24 |
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