CA2763430A1 - Base station apparatus and information feedback method - Google Patents

Base station apparatus and information feedback method Download PDF

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Publication number
CA2763430A1
CA2763430A1 CA2763430A CA2763430A CA2763430A1 CA 2763430 A1 CA2763430 A1 CA 2763430A1 CA 2763430 A CA2763430 A CA 2763430A CA 2763430 A CA2763430 A CA 2763430A CA 2763430 A1 CA2763430 A1 CA 2763430A1
Authority
CA
Canada
Prior art keywords
transmission
rank information
rank
base station
uplink
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.)
Abandoned
Application number
CA2763430A
Other languages
English (en)
French (fr)
Inventor
Hidekazu Taoka
Yuichi Kakishima
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of CA2763430A1 publication Critical patent/CA2763430A1/en
Abandoned legal-status Critical Current

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
    • H04B7/0456—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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CA2763430A 2009-06-23 2010-06-23 Base station apparatus and information feedback method Abandoned CA2763430A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
JP2009-148997 2009-06-23
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
CA2763430A1 true CA2763430A1 (en) 2010-12-29

Family

ID=43386567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2763430A Abandoned CA2763430A1 (en) 2009-06-23 2010-06-23 Base station apparatus and information feedback method

Country Status (7)

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

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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
EP2690797B1 (en) * 2011-03-21 2017-06-14 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
US20140023033A1 (en) * 2011-04-13 2014-01-23 Lg Electronics Inc. Method and apparatus for transceiving channel status information and transceiver
CN107104716B (zh) * 2011-04-19 2020-10-02 太阳专利托管公司 信号生成方法及装置、信号处理方法及装置
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
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
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
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
KR102117024B1 (ko) * 2012-11-28 2020-06-01 삼성전자 주식회사 무선 통신 시스템의 통신 방법 및 장치
WO2014084638A1 (en) 2012-11-28 2014-06-05 Samsung Electronics Co., Ltd. Method and apparatus for performing communication in a wireless communication system
EP2957045B1 (en) * 2013-02-18 2017-06-28 Telefonaktiebolaget LM Ericsson (publ) Transmitting node and method for rank determination
US20160006553A1 (en) * 2013-02-24 2016-01-07 Lg Electronics Inc. Method and apparatus for reporting downlink channel state
CN108322243B (zh) * 2013-03-08 2021-10-22 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
GB2514174B (en) * 2013-05-17 2015-12-02 Cambium Networks Ltd Improvements to adaptive modulation
EP3257167A4 (en) * 2015-02-13 2018-10-31 LG Electronics Inc. -1- Method and apparatus for communication based on common feedback information in multiple antenna system
US10715226B2 (en) * 2016-02-12 2020-07-14 Nokia Solutions And Networks Oy Apparatus and method for control signalling in uplink precoding
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
US12075417B2 (en) * 2019-03-13 2024-08-27 Lg Electronics Inc. Method for controlling plurality of antenna remote units in sidelink-supporting wireless communication system, and device therefor
US11206071B2 (en) * 2019-08-20 2021-12-21 Qualcomm Incorporated System and method for switching beamforming modes in millimeter wave systems

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CN101330479B (zh) * 2007-06-20 2011-04-20 中兴通讯股份有限公司 一种预编码多输入多输出传输及码本编码的方法
KR101397359B1 (ko) * 2007-08-14 2014-05-19 엘지전자 주식회사 다중안테나 시스템에서의 채널정보 전송방법
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KR20100099038A (ko) * 2009-03-02 2010-09-10 엘지전자 주식회사 4 안테나 시스템에서 상향링크 프리코딩 수행 방법
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Also Published As

Publication number Publication date
CN102461038A (zh) 2012-05-16
JP2011009865A (ja) 2011-01-13
EP2448160A4 (en) 2015-01-28
JP5325672B2 (ja) 2013-10-23
EP2448160A1 (en) 2012-05-02
US8780839B2 (en) 2014-07-15
KR20120024718A (ko) 2012-03-14
KR101373096B1 (ko) 2014-03-11
WO2010150798A1 (ja) 2010-12-29
US20120140723A1 (en) 2012-06-07

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20160324