CN102461038A - 基站装置以及信息反馈方法 - Google Patents

基站装置以及信息反馈方法 Download PDF

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Publication number
CN102461038A
CN102461038A CN2010800280500A CN201080028050A CN102461038A CN 102461038 A CN102461038 A CN 102461038A CN 2010800280500 A CN2010800280500 A CN 2010800280500A CN 201080028050 A CN201080028050 A CN 201080028050A CN 102461038 A CN102461038 A CN 102461038A
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CN
China
Prior art keywords
transmission
rank
rank information
base station
information
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Pending
Application number
CN2010800280500A
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English (en)
Chinese (zh)
Inventor
田冈秀和
柿岛佑一
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NTT Docomo Inc
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NTT Docomo Inc
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Publication of CN102461038A publication Critical patent/CN102461038A/zh
Pending legal-status Critical Current

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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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B7/0473—Selection 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
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • H04L25/03929—Spatial equalizers codebook-based design with layer mapping, e.g. codeword-to layer design
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03949—Spatial equalizers equalizer selection or adaptation based on feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CN2010800280500A 2009-06-23 2010-06-23 基站装置以及信息反馈方法 Pending CN102461038A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009-148997 2009-06-23
JP2009148997A JP5325672B2 (ja) 2009-06-23 2009-06-23 基地局装置及び情報フィードバック方法
PCT/JP2010/060610 WO2010150798A1 (ja) 2009-06-23 2010-06-23 基地局装置及び情報フィードバック方法

Publications (1)

Publication Number Publication Date
CN102461038A true CN102461038A (zh) 2012-05-16

Family

ID=43386567

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800280500A Pending CN102461038A (zh) 2009-06-23 2010-06-23 基站装置以及信息反馈方法

Country Status (7)

Country Link
US (1) US8780839B2 (https=)
EP (1) EP2448160A4 (https=)
JP (1) JP5325672B2 (https=)
KR (1) KR101373096B1 (https=)
CN (1) CN102461038A (https=)
CA (1) CA2763430A1 (https=)
WO (1) WO2010150798A1 (https=)

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WO2013185272A1 (zh) * 2012-06-11 2013-12-19 华为技术有限公司 上行数据传输方法及装置
CN104322100A (zh) * 2012-06-11 2015-01-28 华为技术有限公司 上行数据传输方法及装置
CN108322244A (zh) * 2013-03-08 2018-07-24 华为技术有限公司 预编码矩阵指示的反馈方法、接收端和发射端
WO2018232832A1 (zh) * 2017-06-23 2018-12-27 华为技术有限公司 一种确定mimo层数的方法和设备

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KR20100019948A (ko) * 2008-08-11 2010-02-19 엘지전자 주식회사 공간 다중화 기법을 이용한 데이터 전송방법
KR101624148B1 (ko) 2009-12-30 2016-06-07 삼성전자주식회사 네트워크 다중 입출력 무선통신 시스템에서 채널 상태 정보 송수신 방법 및 장치
CN101834708B (zh) * 2010-04-30 2015-01-28 中兴通讯股份有限公司 一种信道信息的获取方法及装置
JP5484304B2 (ja) * 2010-12-10 2014-05-07 三菱電機株式会社 無線基地局装置及び通信条件決定方法
US9042475B2 (en) * 2011-03-21 2015-05-26 Lg Electronics Inc. Signal transmitting method and device in a multi-node system
JP6026082B2 (ja) * 2011-04-05 2016-11-16 シャープ株式会社 端末、基地局、通信方法および集積回路
EP2698928A4 (en) * 2011-04-13 2014-11-19 Lg Electronics Inc TRANSMITTING-RECEIVING METHOD OF CHANNEL STATE INFORMATION AND TRANSCEIVER
CN106850019B (zh) * 2011-04-19 2021-06-01 太阳专利托管公司 发送方法及发送装置、接收方法及接收装置
CN102882657B (zh) 2011-07-15 2018-01-23 瑞典爱立信有限公司 用于上行链路秩自适应的方法、设备和系统
KR101348394B1 (ko) * 2012-06-29 2014-01-16 인텔렉추얼디스커버리 주식회사 다중 안테나 통신 시스템에서의 송수신 장치 및 피드백 신호 전송 방법
US9014069B2 (en) * 2012-11-07 2015-04-21 Qualcomm Incorporated Methods and apparatus for communication mode selection based on content type
EP2739107B1 (en) 2012-11-28 2019-01-02 Samsung Electronics Co., Ltd Method and apparatus for performing communication in a wireless communication system
KR102117024B1 (ko) * 2012-11-28 2020-06-01 삼성전자 주식회사 무선 통신 시스템의 통신 방법 및 장치
US9800308B2 (en) * 2013-02-18 2017-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Transmitting node and method for rank determination
WO2014129843A1 (en) * 2013-02-24 2014-08-28 Lg Electronics Inc. Method and apparatus for reporting downlink channel state
GB2514174B (en) * 2013-05-17 2015-12-02 Cambium Networks Ltd Improvements to adaptive modulation
WO2016129726A1 (en) * 2015-02-13 2016-08-18 Lg Electronics Inc. Method and apparatus for communication based on common feedback information in multiple antenna system
WO2017137090A1 (en) * 2016-02-12 2017-08-17 Nokia Solutions And Networks Oy Apparatus and method for control signalling in uplink precoding
WO2020184965A1 (ko) * 2019-03-13 2020-09-17 엘지전자 주식회사 사이드링크를 지원하는 무선통신시스템에서 복수의 안테나 리모트 유닛들을 제어하는 방법 및 이를 위한 장치
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013185272A1 (zh) * 2012-06-11 2013-12-19 华为技术有限公司 上行数据传输方法及装置
CN104205705A (zh) * 2012-06-11 2014-12-10 华为技术有限公司 上行数据传输方法及装置
CN104322100A (zh) * 2012-06-11 2015-01-28 华为技术有限公司 上行数据传输方法及装置
CN104205705B (zh) * 2012-06-11 2018-03-09 华为技术有限公司 上行数据传输方法及装置
CN104322100B (zh) * 2012-06-11 2018-05-18 华为技术有限公司 上行数据传输方法及装置
CN108322244A (zh) * 2013-03-08 2018-07-24 华为技术有限公司 预编码矩阵指示的反馈方法、接收端和发射端
CN108322244B (zh) * 2013-03-08 2021-08-31 华为技术有限公司 预编码矩阵指示的反馈方法、接收端和发射端
WO2018232832A1 (zh) * 2017-06-23 2018-12-27 华为技术有限公司 一种确定mimo层数的方法和设备
CN109565306A (zh) * 2017-06-23 2019-04-02 华为技术有限公司 一种确定mimo层数的方法和设备
CN109565306B (zh) * 2017-06-23 2020-11-10 华为技术有限公司 一种确定mimo层数的方法和设备

Also Published As

Publication number Publication date
CA2763430A1 (en) 2010-12-29
EP2448160A4 (en) 2015-01-28
US8780839B2 (en) 2014-07-15
WO2010150798A1 (ja) 2010-12-29
US20120140723A1 (en) 2012-06-07
JP2011009865A (ja) 2011-01-13
KR101373096B1 (ko) 2014-03-11
EP2448160A1 (en) 2012-05-02
JP5325672B2 (ja) 2013-10-23
KR20120024718A (ko) 2012-03-14

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Application publication date: 20120516