CN101981824B - 通过在mimo系统中使用代码本来执行反馈的反馈方法 - Google Patents

通过在mimo系统中使用代码本来执行反馈的反馈方法 Download PDF

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Publication number
CN101981824B
CN101981824B CN200980111639.4A CN200980111639A CN101981824B CN 101981824 B CN101981824 B CN 101981824B CN 200980111639 A CN200980111639 A CN 200980111639A CN 101981824 B CN101981824 B CN 101981824B
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China
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mimo
codebook
mode
feedback
information
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Chinese (zh)
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CN101981824A (zh
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李旭峰
千珍英
朴成镐
李文日
高贤秀
任彬哲
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LG Electronics Inc
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LG Electronics Inc
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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
    • H04B7/0417—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
    • H04B7/0452—Multi-user 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/06—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

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  • 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)
CN200980111639.4A 2008-04-07 2009-04-06 通过在mimo系统中使用代码本来执行反馈的反馈方法 Expired - Fee Related CN101981824B (zh)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US4277808P 2008-04-07 2008-04-07
US61/042,778 2008-04-07
US5059108P 2008-05-05 2008-05-05
US61/050,591 2008-05-05
US7413208P 2008-06-19 2008-06-19
US61/074,132 2008-06-19
KR10-2008-0081244 2008-08-20
KR1020080081244A KR101537591B1 (ko) 2008-04-07 2008-08-20 Ｍｉｍｏ 시스템에서 모드 적응 방법
US15116109P 2009-02-09 2009-02-09
US61/151,161 2009-02-09
PCT/KR2009/001769 WO2009125956A1 (en) 2008-04-07 2009-04-06 Feedback method for performing a feedback by using a codebook in mimo system

Publications (2)

Publication Number Publication Date
CN101981824A CN101981824A (zh) 2011-02-23
CN101981824B true CN101981824B (zh) 2014-04-02

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CN200980111639.4A Expired - Fee Related CN101981824B (zh) 2008-04-07 2009-04-06 通过在mimo系统中使用代码本来执行反馈的反馈方法
CN200980111116.XA Expired - Fee Related CN101981823B (zh) 2008-04-07 2009-04-06 在mimo系统中用于模式适配的方法
CN2009801117344A Pending CN101981825A (zh) 2008-04-07 2009-04-06 Mimo系统中用于模式适应的方法

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CN200980111116.XA Expired - Fee Related CN101981823B (zh) 2008-04-07 2009-04-06 在mimo系统中用于模式适配的方法
CN2009801117344A Pending CN101981825A (zh) 2008-04-07 2009-04-06 Mimo系统中用于模式适应的方法

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US (4) US8045528B2 (enExample)
EP (3) EP2248277A4 (enExample)
JP (3) JP2011518491A (enExample)
KR (1) KR101537591B1 (enExample)
CN (3) CN101981824B (enExample)
MY (1) MY154092A (enExample)
WO (3) WO2009125955A1 (enExample)

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WO2009125955A1 (en) 2009-10-15
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EP2245758A1 (en) 2010-11-03
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US8111662B2 (en) 2012-02-07
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US8811355B2 (en) 2014-08-19
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