JP5325672B2 - 基地局装置及び情報フィードバック方法 - Google Patents

基地局装置及び情報フィードバック方法 Download PDF

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Publication number
JP5325672B2
JP5325672B2 JP2009148997A JP2009148997A JP5325672B2 JP 5325672 B2 JP5325672 B2 JP 5325672B2 JP 2009148997 A JP2009148997 A JP 2009148997A JP 2009148997 A JP2009148997 A JP 2009148997A JP 5325672 B2 JP5325672 B2 JP 5325672B2
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Japan
Prior art keywords
transmission
rank
rank information
information
base station
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Expired - Fee Related
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JP2009148997A
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English (en)
Japanese (ja)
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JP2011009865A (ja
JP2011009865A5 (enExample
Inventor
秀和 田岡
佑一 柿島
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to JP2009148997A priority Critical patent/JP5325672B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to KR1020117029179A priority patent/KR101373096B1/ko
Priority to US13/378,678 priority patent/US8780839B2/en
Priority to PCT/JP2010/060610 priority patent/WO2010150798A1/ja
Priority to EP10792116.5A priority patent/EP2448160A4/en
Priority to CA2763430A priority patent/CA2763430A1/en
Priority to CN2010800280500A priority patent/CN102461038A/zh
Publication of JP2011009865A publication Critical patent/JP2011009865A/ja
Publication of JP2011009865A5 publication Critical patent/JP2011009865A5/ja
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Publication of JP5325672B2 publication Critical patent/JP5325672B2/ja
Expired - Fee Related 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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2009148997A 2009-06-23 2009-06-23 基地局装置及び情報フィードバック方法 Expired - Fee Related JP5325672B2 (ja)

Priority Applications (7)

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
US13/378,678 US8780839B2 (en) 2009-06-23 2010-06-23 Base station apparatus and information feedback method
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
EP10792116.5A EP2448160A4 (en) 2009-06-23 2010-06-23 BASIC STATION DEVICE AND METHOD FOR RETRIEVING INFORMATION
KR1020117029179A KR101373096B1 (ko) 2009-06-23 2010-06-23 기지국장치 및 정보 피드백 방법
CA2763430A CA2763430A1 (en) 2009-06-23 2010-06-23 Base station apparatus and information feedback method
CN2010800280500A CN102461038A (zh) 2009-06-23 2010-06-23 基站装置以及信息反馈方法

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2011009865A JP2011009865A (ja) 2011-01-13
JP2011009865A5 JP2011009865A5 (enExample) 2012-07-12
JP5325672B2 true JP5325672B2 (ja) 2013-10-23

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JP2009148997A Expired - Fee Related 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

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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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
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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
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Also Published As

Publication number Publication date
CN102461038A (zh) 2012-05-16
CA2763430A1 (en) 2010-12-29
JP2011009865A (ja) 2011-01-13
EP2448160A4 (en) 2015-01-28
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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