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SG11201501688TA - Method for feeding back channel state information in wireless communication system and apparatus therefor - Google Patents

Method for feeding back channel state information in wireless communication system and apparatus therefor

Info

Publication number
SG11201501688TA
SG11201501688TA SG11201501688TA SG11201501688TA SG11201501688TA SG 11201501688T A SG11201501688T A SG 11201501688TA SG 11201501688T A SG11201501688T A SG 11201501688TA SG 11201501688T A SG11201501688T A SG 11201501688TA SG 11201501688T A SG11201501688T A SG 11201501688TA
Authority
SG
Singapore
Prior art keywords
wireless communication
communication system
state information
channel state
feeding back
Prior art date
Application number
SG11201501688TA
Inventor
Hyungtae Kim
Byounghoon Kim
Kijun Kim
Original Assignee
Lg Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of SG11201501688TA publication Critical patent/SG11201501688TA/en

Links

Classifications

    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/0413—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
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0482—Adaptive codebooks
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Mathematical Physics (AREA)
  • Error Detection And Correction (AREA)
SG11201501688TA 2012-11-09 2013-10-22 Method for feeding back channel state information in wireless communication system and apparatus therefor SG11201501688TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261724382P 2012-11-09 2012-11-09
US201261726513P 2012-11-14 2012-11-14
PCT/KR2013/009419 WO2014073805A1 (en) 2012-11-09 2013-10-22 Method for feeding back channel state information in wireless communication system and apparatus therefor

Publications (1)

Publication Number Publication Date
SG11201501688TA true SG11201501688TA (en) 2015-04-29

Family

ID=50684859

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201501688TA SG11201501688TA (en) 2012-11-09 2013-10-22 Method for feeding back channel state information in wireless communication system and apparatus therefor

Country Status (9)

Country Link
US (3) US9755721B2 (en)
EP (1) EP2918095B1 (en)
JP (2) JP5993518B2 (en)
KR (2) KR101632223B1 (en)
CN (1) CN104365137B (en)
IN (1) IN2015MN00558A (en)
RU (1) RU2615980C2 (en)
SG (1) SG11201501688TA (en)
WO (1) WO2014073805A1 (en)

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Also Published As

Publication number Publication date
CN104365137A (en) 2015-02-18
KR101600494B1 (en) 2016-03-07
CN104365137B (en) 2018-09-28
JP5993518B2 (en) 2016-09-14
RU2015112589A (en) 2017-01-10
JP2015534327A (en) 2015-11-26
KR101632223B1 (en) 2016-06-21
KR20160022401A (en) 2016-02-29
EP2918095A1 (en) 2015-09-16
KR20150038019A (en) 2015-04-08
US10432286B2 (en) 2019-10-01
US20170353223A1 (en) 2017-12-07
IN2015MN00558A (en) 2015-07-31
US20190372643A1 (en) 2019-12-05
US9755721B2 (en) 2017-09-05
JP6317403B2 (en) 2018-04-25
WO2014073805A1 (en) 2014-05-15
JP2016213897A (en) 2016-12-15
US11411629B2 (en) 2022-08-09
EP2918095B1 (en) 2019-09-11
RU2615980C2 (en) 2017-04-12
EP2918095A4 (en) 2016-08-03
US20150055723A1 (en) 2015-02-26

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