CN110419170A - 一种指示及确定预编码向量的方法和设备 - Google Patents

一种指示及确定预编码向量的方法和设备 Download PDF

Info

Publication number
CN110419170A
CN110419170A CN201880016717.1A CN201880016717A CN110419170A CN 110419170 A CN110419170 A CN 110419170A CN 201880016717 A CN201880016717 A CN 201880016717A CN 110419170 A CN110419170 A CN 110419170A
Authority
CN
China
Prior art keywords
component
vector
coefficient
component vectors
superposition
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201880016717.1A
Other languages
English (en)
Other versions
CN110419170B (zh
Inventor
蒋鹏
金黄平
韩玮
尚鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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 CN110419170A publication Critical patent/CN110419170A/zh
Application granted granted Critical
Publication of CN110419170B publication Critical patent/CN110419170B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例公开了一种指示及确定预编码向量的方法和设备，涉及预编码技术，有助于实现以下有益效果：在保证预编码向量达到一定精确度的基础上，合理设置反馈指示叠加系数的指示信息的开销，从而提高系统整体性能增益。该方法可以包括：生成指示信息，并发送该指示信息。其中，指示信息用于指示理想预编码向量的多个分量向量以及每一分量向量的叠加系数，分量向量的叠加系数包括以下至少一种类型：宽带幅度系数、窄带幅度系数、窄带相位系数，多个分量向量中除归一化基准分量向量之外的至少两个分量向量的同一类型的叠加系数的量化比特数不同。

Description

PCT国内申请，说明书已公开。

Claims (7)

  1. PCT国内申请，权利要求书已公开。
CN201880016717.1A 2017-04-26 2018-04-12 一种指示及确定预编码向量的方法和设备 Active CN110419170B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710284175.3A CN108809372B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法和设备
CN2017102841753 2017-04-26
PCT/CN2018/082887 WO2018196628A1 (zh) 2017-04-26 2018-04-12 一种指示及确定预编码向量的方法和设备

Publications (2)

Publication Number Publication Date
CN110419170A true CN110419170A (zh) 2019-11-05
CN110419170B CN110419170B (zh) 2021-12-03

Family

ID=63132773

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201810280917.XA Active CN108418612B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法和设备
CN201710284175.3A Active CN108809372B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法和设备
CN201810733871.2A Active CN108988917B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法、设备及计算机存储介质
CN201880016717.1A Active CN110419170B (zh) 2017-04-26 2018-04-12 一种指示及确定预编码向量的方法和设备

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CN201810280917.XA Active CN108418612B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法和设备
CN201710284175.3A Active CN108809372B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法和设备
CN201810733871.2A Active CN108988917B (zh) 2017-04-26 2017-04-26 一种指示及确定预编码向量的方法、设备及计算机存储介质

Country Status (9)

Country Link
US (3) US10447357B2 (zh)
EP (2) EP3761517B1 (zh)
JP (2) JP6640386B2 (zh)
KR (1) KR102112490B1 (zh)
CN (4) CN108418612B (zh)
BR (1) BR112019000746A2 (zh)
CA (1) CA3024753C (zh)
ES (1) ES2795295T3 (zh)
WO (1) WO2018196628A1 (zh)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109150270B (zh) * 2017-06-28 2021-01-05 华为技术有限公司 信道状态信息反馈和接收方法、发送端设备和接收端设备
CN109474315B (zh) 2017-09-07 2021-06-01 华为技术有限公司 一种指示及确定预编码矩阵的方法和设备
CN110768701B (zh) * 2018-07-27 2022-10-28 中兴通讯股份有限公司 信道状态处理方法及装置、系统、终端、基站、存储介质
CN110855336B (zh) 2018-08-20 2022-04-22 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
CN111010218B (zh) * 2018-10-08 2021-06-22 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
CN115225125A (zh) * 2018-10-27 2022-10-21 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
EP3667940A1 (en) 2018-12-11 2020-06-17 Nokia Technologies Oy Enhanced frequency compression for overhead reduction for csi reporting and usage
CN111342873B (zh) 2018-12-18 2021-11-30 华为技术有限公司 一种信道测量方法和通信装置
CN111416645B (zh) 2019-01-08 2021-11-30 华为技术有限公司 预编码矩阵指示方法及相关设备
CN111436080B (zh) * 2019-01-11 2023-05-05 大唐移动通信设备有限公司 一种信息发送方法、终端设备及网络设备
CN111435850B (zh) * 2019-01-11 2022-06-14 华为技术有限公司 用于构建预编码向量的向量指示方法和通信装置
CN112737648B (zh) * 2019-01-11 2022-07-29 华为技术有限公司 一种通信方法、设备及计算机可读存储介质
WO2020155016A1 (en) * 2019-01-31 2020-08-06 Qualcomm Incorporated Codebook design with differential phase feedback in frequency domain
WO2020164387A1 (zh) * 2019-02-15 2020-08-20 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
CN111585630B (zh) * 2019-02-15 2021-09-21 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
CN111835390B (zh) * 2019-04-16 2021-11-30 华为技术有限公司 一种信道测量方法、通信装置及计算机可读介质
US11641269B2 (en) 2020-06-30 2023-05-02 Rampart Communications, Inc. Modulation-agnostic transformations using unitary braid divisional multiplexing (UBDM)
US10951442B2 (en) 2019-07-31 2021-03-16 Rampart Communications, Inc. Communication system and method using unitary braid divisional multiplexing (UBDM) with physical layer security
US10735062B1 (en) 2019-09-04 2020-08-04 Rampart Communications, Inc. Communication system and method for achieving high data rates using modified nearly-equiangular tight frame (NETF) matrices
US10965352B1 (en) * 2019-09-24 2021-03-30 Rampart Communications, Inc. Communication system and methods using very large multiple-in multiple-out (MIMO) antenna systems with extremely large class of fast unitary transformations
CN112583501B (zh) * 2019-09-30 2023-09-22 华为技术有限公司 信道测量方法和通信装置
US11171815B2 (en) * 2020-01-21 2021-11-09 Credo Technology Group Limited Digital equalizer with overlappable filter taps
US11159220B2 (en) 2020-02-11 2021-10-26 Rampart Communications, Inc. Single input single output (SISO) physical layer key exchange
CN114157328A (zh) * 2020-09-07 2022-03-08 华为技术有限公司 一种信道反馈方法及装置
CN115913292A (zh) * 2021-09-30 2023-04-04 华为技术有限公司 一种频域分量上报方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102484870A (zh) * 2009-08-18 2012-05-30 高通股份有限公司 用于无线通信网络中多用户mimo的调度
EP1953737B1 (en) * 2005-10-14 2012-10-03 Panasonic Corporation Transform coder and transform coding method
CN104104389A (zh) * 2013-04-09 2014-10-15 华为技术有限公司 一种信号重建方法及设备

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570696B2 (en) 2004-06-25 2009-08-04 Intel Corporation Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback
EP1865619A1 (en) * 2005-04-28 2007-12-12 Matsushita Electric Industrial Co., Ltd. Wireless communication apparatus, and feedback information generating method
CN101938301B (zh) * 2009-06-29 2013-04-17 大唐移动通信设备有限公司 一种多用户mimo的发送方法及设备
EP2478723B1 (en) * 2009-09-17 2019-03-20 Nokia Solutions and Networks Oy Apparatuses and methods for coordinated multipoint transmission using compressed feedback information
US8526413B2 (en) 2009-10-02 2013-09-03 Mediatek Inc. Concatenating precoder selection for OFDMA-based multi-BS MIMO
CN103220087B (zh) * 2010-01-16 2017-06-06 华为技术有限公司 获取预编码矩阵指示以及预编码矩阵的方法和装置
EP2557747B1 (en) * 2010-04-07 2019-02-13 Alcatel Lucent Method and apparatus for feeding back and constructing correlation matrix in multi-input multi-output system
CN102255703B (zh) * 2010-05-19 2014-07-16 华为技术有限公司 一种预编码信息的发送和接收方法及装置
WO2011146606A1 (en) * 2010-05-19 2011-11-24 Interdigital Patent Holdings, Inc. Method and apparatus for compressing channel state information based on path location information
KR101863927B1 (ko) * 2010-09-26 2018-07-05 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
CN102647247B (zh) * 2011-02-22 2015-08-12 中兴通讯股份有限公司 一种发射信号预处理发送方法及装置
US8971437B2 (en) * 2012-12-20 2015-03-03 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US9088323B2 (en) * 2013-01-09 2015-07-21 Lg Electronics Inc. Method and apparatus for reporting downlink channel state
US9281881B2 (en) * 2013-02-12 2016-03-08 Texas Instruments Incorporated 4TX codebook enhancement in LTE
US9143212B2 (en) * 2013-02-25 2015-09-22 Texas Instruments Incorporated Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO
CN104243374B (zh) * 2013-06-21 2017-07-21 华为技术有限公司 一种信号传输方法、装置及系统
US9042476B2 (en) 2013-07-26 2015-05-26 Google Technology Holdings LLC Methods and a device for multi-resolution precoding matrix indicator feedback
US20160072562A1 (en) * 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
US9825742B2 (en) * 2014-10-03 2017-11-21 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
US9654195B2 (en) * 2014-11-17 2017-05-16 Samsung Electronics Co., Ltd. Methods to calculate linear combination pre-coders for MIMO wireless communication systems
US9893777B2 (en) * 2014-11-17 2018-02-13 Samsung Electronics Co., Ltd. Method and apparatus for precoding channel state information reference signal
US20160226647A1 (en) * 2015-01-30 2016-08-04 Nokia Solutions And Networks Oy Reference precoding vectors for multiple rank indications for channel quality indication (cqi) reporting in a wireless
KR102468688B1 (ko) * 2015-03-31 2022-11-18 삼성전자주식회사 무선 통신 시스템에서 채널 상태 정보의 피드백을 위한 장치 및 방법
US9929812B2 (en) * 2015-12-07 2018-03-27 Qualcomm Incorporated Techniques for channel estimation using user equipment specific reference signals based on smoothed precoders in a frequency domain
RU2695640C1 (ru) * 2016-03-31 2019-07-25 Телефонактиеболагет Лм Эрикссон (Пабл) Способ и устройства для квантования фаз лучей для прекодера
US10200103B2 (en) * 2016-11-23 2019-02-05 Samsung Electronics Co., Ltd. Method and apparatus to enable multi-resolution CSI reporting in advanced wireless communication systems
US10256887B2 (en) * 2017-03-23 2019-04-09 Qualcomm Incorporated Differential channel state information (CSI) reporting for higher resolution CSI
US10742290B2 (en) * 2017-04-13 2020-08-11 Samsung Electronics Co., Ltd. High-resolution CSI reporting based on unequal bit allocation in advanced wireless communication systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1953737B1 (en) * 2005-10-14 2012-10-03 Panasonic Corporation Transform coder and transform coding method
CN102484870A (zh) * 2009-08-18 2012-05-30 高通股份有限公司 用于无线通信网络中多用户mimo的调度
CN104104389A (zh) * 2013-04-09 2014-10-15 华为技术有限公司 一种信号重建方法及设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SAMSUNG: "Type II CSI reporting", 《3GPP》 *

Also Published As

Publication number Publication date
US20200014435A1 (en) 2020-01-09
JP2019525551A (ja) 2019-09-05
JP6884847B2 (ja) 2021-06-09
US20200204227A1 (en) 2020-06-25
KR102112490B1 (ko) 2020-05-19
WO2018196628A1 (zh) 2018-11-01
EP3761517A1 (en) 2021-01-06
JP6640386B2 (ja) 2020-02-05
EP3461020A1 (en) 2019-03-27
CA3024753C (en) 2022-01-18
US20190115960A1 (en) 2019-04-18
CN108418612A (zh) 2018-08-17
EP3461020B1 (en) 2020-03-11
CN108809372A (zh) 2018-11-13
US10608714B2 (en) 2020-03-31
US10447357B2 (en) 2019-10-15
CN108809372B (zh) 2021-05-11
CN108988917A (zh) 2018-12-11
KR20190015523A (ko) 2019-02-13
JP2020074534A (ja) 2020-05-14
ES2795295T3 (es) 2020-11-23
EP3461020A4 (en) 2019-05-15
BR112019000746A2 (pt) 2019-05-07
CN108988917B (zh) 2019-07-12
CN110419170B (zh) 2021-12-03
WO2018196628A9 (zh) 2019-01-03
CN108418612B (zh) 2019-03-26
EP3761517B1 (en) 2022-01-26
US10911109B2 (en) 2021-02-02
CA3024753A1 (en) 2018-11-01

Similar Documents

Publication Publication Date Title
CN110419170B (zh) 一种指示及确定预编码向量的方法和设备
CN108288984B (zh) 一种参数指示及确定方法和接收端设备及发射端设备
CN109150270B (zh) 信道状态信息反馈和接收方法、发送端设备和接收端设备
CN109560847A (zh) 信道状态信息反馈和接收方法、发送端设备和接收端设备
CN108282196B (zh) 指示、确定预编码矩阵的方法以及接收、发射端设备
CN109428636B (zh) 波束指示和上报方法、网络设备、终端
CN108282197B (zh) 指示及确定预编码向量的方法和接收及发射端设备
CN111758289A (zh) 信道测量方法和用户设备
CN109802712B (zh) 一种用户设备、接入设备和预编码方法
CN110875767B (zh) 指示和确定预编码向量的方法和通信装置
CN116508369A (zh) 一种指示预编码矩阵的方法、用户设备、接入设备
CN108288981B (zh) 一种信道信息反馈及确定方法、接收端和发射端设备

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant