JP5880925B2 - マルチユーザーｍｉｍｏのための改良チャネルフィードバック - Google Patents

マルチユーザーｍｉｍｏのための改良チャネルフィードバック Download PDF

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JP5880925B2
JP5880925B2 JP2011221992A JP2011221992A JP5880925B2 JP 5880925 B2 JP5880925 B2 JP 5880925B2 JP 2011221992 A JP2011221992 A JP 2011221992A JP 2011221992 A JP2011221992 A JP 2011221992A JP 5880925 B2 JP5880925 B2 JP 5880925B2
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feedback
snr
signal
terminal
transmitting
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JP2012105256A (ja
JP2012105256A5 (cg-RX-API-DMAC7.html
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スリカンス ゴマダム クリシュナ
スリカンス ゴマダム クリシュナ
エレル アドラム
エレル アドラム
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マーベル ワールド トレード リミテッド
マーベル ワールド トレード リミテッド
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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
    • H04B7/06—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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04B7/0426—Power distribution
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2011221992A 2010-10-06 2011-10-06 マルチユーザーｍｉｍｏのための改良チャネルフィードバック Active JP5880925B2 (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US39042310P 2010-10-06 2010-10-06
US61/390,423 2010-10-06
US39379710P 2010-10-15 2010-10-15
US61/393,797 2010-10-15
US41184510P 2010-11-09 2010-11-09
US61/411,845 2010-11-09

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JP2012105256A JP2012105256A (ja) 2012-05-31
JP2012105256A5 JP2012105256A5 (cg-RX-API-DMAC7.html) 2014-11-13
JP5880925B2 true JP5880925B2 (ja) 2016-03-09

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US (1) US8615052B2 (cg-RX-API-DMAC7.html)
EP (1) EP2439857A3 (cg-RX-API-DMAC7.html)
JP (1) JP5880925B2 (cg-RX-API-DMAC7.html)
CN (1) CN102546094A (cg-RX-API-DMAC7.html)
DE (1) DE202011111022U1 (cg-RX-API-DMAC7.html)

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