CN103155438B - 在支持多个天线的无线通信系统中的有效反馈的方法和设备 - Google Patents

在支持多个天线的无线通信系统中的有效反馈的方法和设备 Download PDF

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CN103155438B
CN103155438B CN201180046375.6A CN201180046375A CN103155438B CN 103155438 B CN103155438 B CN 103155438B CN 201180046375 A CN201180046375 A CN 201180046375A CN 103155438 B CN103155438 B CN 103155438B
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pmi
cqi
order
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rank
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CN103155438A (zh
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高贤秀
金首南
林东局
李文一
郑载薰
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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
    • H04B7/0456—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
    • 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
    • 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
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    • H04B—TRANSMISSION
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    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
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    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
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    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of codebooks
    • H—ELECTRICITY
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    • 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
    • H04B7/0617—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 for beam forming
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    • 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
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    • 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
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    • 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
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    • 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
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    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201180046375.6A 2010-09-26 2011-09-23 在支持多个天线的无线通信系统中的有效反馈的方法和设备 Active CN103155438B (zh)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US38655210P 2010-09-26 2010-09-26
US61/386,552 2010-09-26
US39011010P 2010-10-05 2010-10-05
US61/390,110 2010-10-05
US41192010P 2010-11-10 2010-11-10
US61/411,920 2010-11-10
US41395110P 2010-11-15 2010-11-15
US61/413,951 2010-11-15
US41437210P 2010-11-16 2010-11-16
US41437410P 2010-11-16 2010-11-16
US61/414,374 2010-11-16
US61/414,372 2010-11-16
KR1020110095682A KR101863927B1 (ko) 2010-09-26 2011-09-22 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
KR10-2011-0095682 2011-09-22
PCT/KR2011/007019 WO2012039589A2 (ko) 2010-09-26 2011-09-23 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치

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CN103155438A CN103155438A (zh) 2013-06-12
CN103155438B true CN103155438B (zh) 2015-11-25

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CN201180046375.6A Active CN103155438B (zh) 2010-09-26 2011-09-23 在支持多个天线的无线通信系统中的有效反馈的方法和设备
CN201510426832.4A Active CN105187101B (zh) 2010-09-26 2011-09-26 在支持多个天线的无线通信系统中的有效反馈的方法和设备
CN201180046372.2A Active CN103119859B (zh) 2010-09-26 2011-09-26 在支持多个天线的无线通信系统中的有效反馈的方法和设备

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CN201180046372.2A Active CN103119859B (zh) 2010-09-26 2011-09-26 在支持多个天线的无线通信系统中的有效反馈的方法和设备

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US (11) US8611243B2 (enExample)
EP (3) EP2621103B1 (enExample)
JP (4) JP6002138B2 (enExample)
KR (3) KR101863927B1 (enExample)
CN (3) CN103155438B (enExample)
WO (3) WO2012039588A2 (enExample)

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