JP6250643B2 - 改善されたｍｉｍｏサポートのためのランク特有のフィードバック - Google Patents

改善されたｍｉｍｏサポートのためのランク特有のフィードバック Download PDF

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Publication number
JP6250643B2
JP6250643B2 JP2015511579A JP2015511579A JP6250643B2 JP 6250643 B2 JP6250643 B2 JP 6250643B2 JP 2015511579 A JP2015511579 A JP 2015511579A JP 2015511579 A JP2015511579 A JP 2015511579A JP 6250643 B2 JP6250643 B2 JP 6250643B2
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Prior art keywords
csi
pmi
csi process
rank value
report
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Japanese (ja)
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JP2015517760A (ja
JP2015517760A5 (https=
Inventor
ガイアホファー、ステファン
チェン、ワンシ
ガール、ピーター
ウェイ、ヨンビン
ブシャン、ナガ
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04B7/0417—Feedback systems
    • 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
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2015511579A 2012-05-11 2013-05-06 改善されたｍｉｍｏサポートのためのランク特有のフィードバック Active JP6250643B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201261646203P 2012-05-11 2012-05-11
US61/646,203 2012-05-11
US201261692664P 2012-08-23 2012-08-23
US61/692,664 2012-08-23
US13/887,168 US9681425B2 (en) 2012-05-11 2013-05-03 Rank-specific feedback for improved MIMO support
US13/887,168 2013-05-03
PCT/US2013/039739 WO2013169666A2 (en) 2012-05-11 2013-05-06 Rank-specific feedback for improved mimo support

Publications (3)

Publication Number Publication Date
JP2015517760A JP2015517760A (ja) 2015-06-22
JP2015517760A5 JP2015517760A5 (https=) 2016-06-09
JP6250643B2 true JP6250643B2 (ja) 2017-12-20

Family

ID=49548546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015511579A Active JP6250643B2 (ja) 2012-05-11 2013-05-06 改善されたｍｉｍｏサポートのためのランク特有のフィードバック

Country Status (6)

Country Link
US (1) US9681425B2 (https=)
EP (1) EP2847882B1 (https=)
JP (1) JP6250643B2 (https=)
KR (1) KR101805125B1 (https=)
CN (1) CN104303430B (https=)
WO (1) WO2013169666A2 (https=)

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JP2015517760A (ja) 2015-06-22
US20130301560A1 (en) 2013-11-14
WO2013169666A2 (en) 2013-11-14
CN104303430A (zh) 2015-01-21
US9681425B2 (en) 2017-06-13
KR20150008473A (ko) 2015-01-22
EP2847882A2 (en) 2015-03-18
EP2847882B1 (en) 2020-02-26
WO2013169666A3 (en) 2014-01-30
KR101805125B1 (ko) 2018-01-10

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