CN104969497A - 确定码本的方法、信息反馈方法及其装置 - Google Patents

确定码本的方法、信息反馈方法及其装置 Download PDF

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Publication number
CN104969497A
CN104969497A CN201380070095.8A CN201380070095A CN104969497A CN 104969497 A CN104969497 A CN 104969497A CN 201380070095 A CN201380070095 A CN 201380070095A CN 104969497 A CN104969497 A CN 104969497A
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CN
China
Prior art keywords
code
code book
code word
book
antenna configuration
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Pending
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CN201380070095.8A
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English (en)
Inventor
宋磊
张翼
朱晨曦
周华
张健
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Fujitsu Ltd
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Fujitsu Ltd
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Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of CN104969497A publication Critical patent/CN104969497A/zh
Pending legal-status Critical Current

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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
    • H04B7/0456—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
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • 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
    • H04B7/0639—Using 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)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种确定码本的方法、信息反馈方法及其装置。对于差分双码本的预编码，该方法包括：在第二码本中设置N1个码字，使得由该第二码本与第一码本中码字的乘积所获得的复合码字满足相应的天线配置；该N1大于等于16。或者对于GoB双码本的预编码，该方法包括：所述第一码本中的码字为：式(I):其中，D1和D2分别为酉对角矩阵，分别用于对矩阵X的各行及各列元素进行加权；X包含Nb个列向量；Nb表示第一码本的码字包含的波束个数。通过本发明实施例，可适用于各种天线配置。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380070095.8A 2013-03-08 2013-03-08 确定码本的方法、信息反馈方法及其装置 Pending CN104969497A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/072373 WO2014134835A1 (zh) 2013-03-08 2013-03-08 确定码本的方法、信息反馈方法及其装置

Publications (1)

Publication Number Publication Date
CN104969497A true CN104969497A (zh) 2015-10-07

Family

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CN201380070095.8A Pending CN104969497A (zh) 2013-03-08 2013-03-08 确定码本的方法、信息反馈方法及其装置

Country Status (6)

Country Link
US (1) US9602180B2 (zh)
EP (1) EP2966796A4 (zh)
JP (1) JP2016510957A (zh)
KR (1) KR101738287B1 (zh)
CN (1) CN104969497A (zh)
WO (1) WO2014134835A1 (zh)

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CN109379123A (zh) * 2018-11-20 2019-02-22 南京信息工程大学 空时相关信道自适应差分预编码码书设计方法

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US9935695B2 (en) * 2015-11-04 2018-04-03 Telefonaktiebolaget Lm Ericsson (Publ) Precoding a transmission from a two-dimensional antenna array using a partially reshaped codebook
CN110545130B (zh) 2016-11-04 2020-08-07 华为技术有限公司 信道状态信息接收方法、用户设备和网络设备
US11569876B2 (en) * 2020-09-15 2023-01-31 Qualcomm Incorporated Beam index reporting based at least in part on a precoded channel state information reference signal
US20230170976A1 (en) * 2021-11-30 2023-06-01 Qualcomm Incorporated Beam selection and codebook learning based on xr perception

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CN101969366A (zh) * 2010-09-26 2011-02-09 华中科技大学 用于8发射天线mimo***的预编码方法
WO2012043202A1 (en) * 2010-09-30 2012-04-05 Sharp Kabushiki Kaisha User equipment and method for pre-coding matrix index feedback

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CN102412939A (zh) * 2010-09-21 2012-04-11 普天信息技术研究院有限公司 一种采用双码本进行信道信息反馈的方法和***
EP2437408B1 (en) * 2010-10-04 2017-12-27 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving codebook subset restriction bitmap
JP2013543341A (ja) * 2010-11-05 2013-11-28 パナソニック株式会社 ダブル・コードブックを用いて通信システムでベスト・コンパニオン・プリコーディング行列インデックスをレポートするための方法、移動端末、基地局、およびシステム
CN102571301B (zh) * 2011-12-27 2014-07-09 东南大学 一种基于双码本的多用户自适应反馈方法
US9281881B2 (en) * 2013-02-12 2016-03-08 Texas Instruments Incorporated 4TX codebook enhancement in LTE

Patent Citations (2)

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CN101969366A (zh) * 2010-09-26 2011-02-09 华中科技大学 用于8发射天线mimo***的预编码方法
WO2012043202A1 (en) * 2010-09-30 2012-04-05 Sharp Kabushiki Kaisha User equipment and method for pre-coding matrix index feedback

Non-Patent Citations (5)

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LG ELECTRONICS: ""Feedback Codebook Enhancement and Performance Evaluation"", 《3GPP TSG RAN WG1 MEETING #62 R1-104768》 *
NOKIA, NOKIA SIEMENS NETWORKS: ""Double codebook design principles"", 《3GPP TSG-RAN WG1 MEETING #61BIS R1-103804》 *
QUALCOMM INC: ""Codebook system evaluations for 4Tx"", 《3GPP TSG-RAN WG1 #62， R1-104799》 *
SAMSUNG: ""Discussions on CSI feedback enhancement for homogeneous macro network"", 《3GPP TSG RAN WG1 MEETING #66BIS，R1-113584》 *
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109379123A (zh) * 2018-11-20 2019-02-22 南京信息工程大学 空时相关信道自适应差分预编码码书设计方法
CN109379123B (zh) * 2018-11-20 2021-09-07 南京信息工程大学 空时相关信道自适应差分预编码码书设计方法

Also Published As

Publication number Publication date
WO2014134835A1 (zh) 2014-09-12
KR101738287B1 (ko) 2017-05-19
KR20150121199A (ko) 2015-10-28
EP2966796A4 (en) 2017-03-01
US20150372731A1 (en) 2015-12-24
JP2016510957A (ja) 2016-04-11
US9602180B2 (en) 2017-03-21
EP2966796A1 (en) 2016-01-13

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