GB2527255B - Method and apparatus for reporting channel state information in wireless communication system - Google Patents

Method and apparatus for reporting channel state information in wireless communication system Download PDF

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Publication number
GB2527255B
GB2527255B GB1518139.9A GB201518139A GB2527255B GB 2527255 B GB2527255 B GB 2527255B GB 201518139 A GB201518139 A GB 201518139A GB 2527255 B GB2527255 B GB 2527255B
Authority
GB
United Kingdom
Prior art keywords
wireless communication
communication system
state information
channel state
reporting channel
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB1518139.9A
Other versions
GB201518139D0 (en
GB2527255A (en
Inventor
Seo Inkwon
Lee Seungmin
Seo Hanbyul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
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
Priority claimed from PCT/KR2014/003318 external-priority patent/WO2014171742A1/en
Publication of GB201518139D0 publication Critical patent/GB201518139D0/en
Publication of GB2527255A publication Critical patent/GB2527255A/en
Application granted granted Critical
Publication of GB2527255B publication Critical patent/GB2527255B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04B7/06—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
    • 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
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode 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
    • H04B7/0621—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)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
GB1518139.9A 2013-04-16 2014-04-16 Method and apparatus for reporting channel state information in wireless communication system Active GB2527255B (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201361812688P 2013-04-16 2013-04-16
US201361813163P 2013-04-17 2013-04-17
US201361815253P 2013-04-23 2013-04-23
US201361686054P 2013-08-20 2013-08-20
US201361875672P 2013-09-09 2013-09-09
US201361914948P 2013-12-11 2013-12-11
US201461925640P 2014-01-09 2014-01-09
PCT/KR2014/003318 WO2014171742A1 (en) 2013-04-16 2014-04-16 Method and apparatus for reporting channel state information in wireless communication system

Publications (3)

Publication Number Publication Date
GB201518139D0 GB201518139D0 (en) 2015-11-25
GB2527255A GB2527255A (en) 2015-12-16
GB2527255B true GB2527255B (en) 2020-07-01

Family

ID=54545509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1518139.9A Active GB2527255B (en) 2013-04-16 2014-04-16 Method and apparatus for reporting channel state information in wireless communication system

Country Status (1)

Country Link
GB (1) GB2527255B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120076017A1 (en) * 2010-04-05 2012-03-29 Qualcomm Incorporated Aperiodic channel state information request in wireless communication
JP2012175272A (en) * 2011-02-18 2012-09-10 Ntt Docomo Inc Nonperiodic channel state information notification method, radio base station apparatus, and user terminal
KR20130018052A (en) * 2011-08-12 2013-02-20 주식회사 팬택 Method and device for transmitting data in multi component carrier system
EP2807784A1 (en) * 2012-01-27 2014-12-03 Interdigital Patent Holdings, Inc. Systems and/or methods for providing epdcch in a multiple carrier based and/or quasi-collated network

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120076017A1 (en) * 2010-04-05 2012-03-29 Qualcomm Incorporated Aperiodic channel state information request in wireless communication
KR20130018850A (en) * 2010-04-05 2013-02-25 퀄컴 인코포레이티드 Aperiodic channel state information request in wireless communication
JP2012175272A (en) * 2011-02-18 2012-09-10 Ntt Docomo Inc Nonperiodic channel state information notification method, radio base station apparatus, and user terminal
KR20130018052A (en) * 2011-08-12 2013-02-20 주식회사 팬택 Method and device for transmitting data in multi component carrier system
EP2807784A1 (en) * 2012-01-27 2014-12-03 Interdigital Patent Holdings, Inc. Systems and/or methods for providing epdcch in a multiple carrier based and/or quasi-collated network

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
INTEL CORPORATION: 'Signaling details of PDSCH RE mapping and aperiodic CSI triggering' 3GPP TSG-RAN WG1 #70BIS, R1-124118, [Online] 08 October 2012, SAN DIEGO, USA, Retrieved from the Internet: <URL:http://www.3gpp.org/ftg/ts_ran/wg1_r11/TSGR1_70b/Docs> *
QUALCOMM INCORPORATED: 'CSI processing relaxations for DL CoMP' 3GPP TSG- RAN WG1 #70BIS, R1-124442, [Online] 08 October 2012, SAN DIEGO, USA, Retrieved from the Internet: <URL:http:/www.3gpp.org/ftp/tsg_ran/wg1_r11 /TSGR1_70b/Docs> *

Also Published As

Publication number Publication date
GB201518139D0 (en) 2015-11-25
GB2527255A (en) 2015-12-16

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