WO2012087046A3 - 무선 통신 시스템에서 재널 상태 정보를 보고하는 방법 및 이를 위한 장치 - Google Patents

무선 통신 시스템에서 재널 상태 정보를 보고하는 방법 및 이를 위한 장치 Download PDF

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Publication number
WO2012087046A3
WO2012087046A3 PCT/KR2011/009987 KR2011009987W WO2012087046A3 WO 2012087046 A3 WO2012087046 A3 WO 2012087046A3 KR 2011009987 W KR2011009987 W KR 2011009987W WO 2012087046 A3 WO2012087046 A3 WO 2012087046A3
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WO
WIPO (PCT)
Prior art keywords
channel state
state information
subband
wireless communication
communication system
Prior art date
Application number
PCT/KR2011/009987
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English (en)
French (fr)
Other versions
WO2012087046A2 (ko
WO2012087046A8 (ko
Inventor
박종현
이대원
서한별
김기준
김형태
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to EP11851478.5A priority Critical patent/EP2658155B1/en
Priority to US13/993,000 priority patent/US9357419B2/en
Priority to KR1020137016603A priority patent/KR101769382B1/ko
Publication of WO2012087046A2 publication Critical patent/WO2012087046A2/ko
Publication of WO2012087046A3 publication Critical patent/WO2012087046A3/ko
Publication of WO2012087046A8 publication Critical patent/WO2012087046A8/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04B7/06—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
    • H04B7/06—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
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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 signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

본 발명은 무선 통신 시스템에 관한 것이다. 구제적으로, 본 발명은 채널 상태 정보를 보고하는 방법 및 장치에 있어서, 복수의 기지국으로부터의 하향링크 신호를 측정하는 단계; 제 1 기지국에 대한 제 1 채널 상태 정보를 서브밴드 단위로 피드백 하되, 상기 제 1 채널 상태 정보는 해당 서브밴드를 지시하는 식별 정보를 포함하는 단계; 및 제 2 기지국에 대한 제 2 재널 상태 정보를 서브밴드 단위로 피드백 하되, 상기 제 2 채널 상태 정보에 대응하는 서브밴드는 상기 제 1 채널 상태 정보에 대응하는 서브밴드와 동일하게 설정되고, 상기 제 2 채널 상태 정보에는 해당 서브밴드를 지시하는 식별 정보가 포함되지 않는 단계를 포함하는 방법 및 장치에 관한 것이다.
PCT/KR2011/009987 2010-12-23 2011-12-22 무선 통신 시스템에서 재널 상태 정보를 보고하는 방법 및 이를 위한 장치 WO2012087046A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11851478.5A EP2658155B1 (en) 2010-12-23 2011-12-22 Method for reporting channel state information in wireless communication system and device therefor
US13/993,000 US9357419B2 (en) 2010-12-23 2011-12-22 Method for reporting channel state information in wireless communication system and apparatus for same
KR1020137016603A KR101769382B1 (ko) 2010-12-23 2011-12-22 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201061427101P 2010-12-23 2010-12-23
US61/427,101 2010-12-23

Publications (3)

Publication Number Publication Date
WO2012087046A2 WO2012087046A2 (ko) 2012-06-28
WO2012087046A3 true WO2012087046A3 (ko) 2012-08-23
WO2012087046A8 WO2012087046A8 (ko) 2013-07-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/009987 WO2012087046A2 (ko) 2010-12-23 2011-12-22 무선 통신 시스템에서 재널 상태 정보를 보고하는 방법 및 이를 위한 장치

Country Status (4)

Country Link
US (1) US9357419B2 (ko)
EP (1) EP2658155B1 (ko)
KR (1) KR101769382B1 (ko)
WO (1) WO2012087046A2 (ko)

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US20130083681A1 (en) * 2011-09-30 2013-04-04 Research In Motion Limited Methods of Channel State Information Feedback and Transmission in Coordinated Multi-Point Wireless Communications System
CN102957515B (zh) * 2011-08-22 2018-09-25 索尼公司 信道信息反馈方法、用户设备、发送数据方法和基站
US9277435B2 (en) * 2011-09-02 2016-03-01 Lg Electronics Inc. Method and apparatus for transmitting channel state information in a wireless communication system
US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
US8885569B2 (en) 2011-12-19 2014-11-11 Ofinno Technologies, Llc Beamforming signaling in a wireless network
US8953478B2 (en) * 2012-01-27 2015-02-10 Intel Corporation Evolved node B and method for coherent coordinated multipoint transmission with per CSI-RS feedback
TR201816019T4 (tr) * 2012-01-30 2018-11-21 Nec Corp Kablosuz haberleşme sistemi ve raporlama ayarlarını kontrol etme yöntemi.
CN104754491B (zh) * 2013-12-26 2021-02-09 索尼公司 移动终端、以及移动终端之间协作传输的实现方法
WO2016137061A1 (ko) * 2015-02-26 2016-09-01 엘지전자 주식회사 무선 통신 시스템에서 csi 정보를 피드백하는 방법 및 그 장치
EP4117218A1 (en) * 2015-08-06 2023-01-11 Sharp Kabushiki Kaisha Terminal device, base station device, and communication method
WO2017069669A1 (en) * 2015-10-21 2017-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Optimized broadcasting of system information messages
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WO2018126456A1 (zh) * 2017-01-06 2018-07-12 广东欧珀移动通信有限公司 一种测量方法、基站及终端
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Also Published As

Publication number Publication date
EP2658155A4 (en) 2017-08-16
WO2012087046A2 (ko) 2012-06-28
WO2012087046A8 (ko) 2013-07-25
KR20130143618A (ko) 2013-12-31
EP2658155A2 (en) 2013-10-30
KR101769382B1 (ko) 2017-08-21
US9357419B2 (en) 2016-05-31
US20130258897A1 (en) 2013-10-03
EP2658155B1 (en) 2018-10-10

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