WO2011129547A3 - 다중 노드 시스템에서 단말의 피드백 정보 전송 방법 및 장치 - Google Patents

다중 노드 시스템에서 단말의 피드백 정보 전송 방법 및 장치 Download PDF

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Publication number
WO2011129547A3
WO2011129547A3 PCT/KR2011/002444 KR2011002444W WO2011129547A3 WO 2011129547 A3 WO2011129547 A3 WO 2011129547A3 KR 2011002444 W KR2011002444 W KR 2011002444W WO 2011129547 A3 WO2011129547 A3 WO 2011129547A3
Authority
WO
WIPO (PCT)
Prior art keywords
feedback information
terminal
node system
transmitting feedback
transmitting
Prior art date
Application number
PCT/KR2011/002444
Other languages
English (en)
French (fr)
Other versions
WO2011129547A2 (ko
Inventor
천진영
김기태
김수남
강지원
임빈철
박성호
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 KR20127026444A priority Critical patent/KR101487073B1/ko
Priority to US13/640,435 priority patent/US9356662B2/en
Publication of WO2011129547A2 publication Critical patent/WO2011129547A2/ko
Publication of WO2011129547A3 publication Critical patent/WO2011129547A3/ko

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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
    • 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
    • H04B7/0632—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
    • 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
    • H04B7/0684—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 using different training sequences per antenna

Abstract

셀 내에 복수의 안테나가 분산되어 배치되는 다중 노드 시스템에서 단말의 피드백 정보 전송 방법 및 장치를 제공한다. 상기 방법은 복수의 안테나 중 적어도 하나의 안테나와의 채널에 대한 상태를 나타내는 제1 피드백 정보를 기지국으로 전송하는 단계 및 상기 적어도 하나의 안테나를 지시하는 제2 피드백 정보를 상기 기지국으로 전송하는 단계를 포함한다.
PCT/KR2011/002444 2010-04-12 2011-04-07 다중 노드 시스템에서 단말의 피드백 정보 전송 방법 및 장치 WO2011129547A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR20127026444A KR101487073B1 (ko) 2010-04-12 2011-04-07 다중 노드 시스템에서 단말의 피드백 정보 전송 방법 및 장치
US13/640,435 US9356662B2 (en) 2010-04-12 2011-04-07 Method and apparatus for transmitting feedback information of a terminal in a multi-node system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32291710P 2010-04-12 2010-04-12
US61/322,917 2010-04-12

Publications (2)

Publication Number Publication Date
WO2011129547A2 WO2011129547A2 (ko) 2011-10-20
WO2011129547A3 true WO2011129547A3 (ko) 2012-03-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/002444 WO2011129547A2 (ko) 2010-04-12 2011-04-07 다중 노드 시스템에서 단말의 피드백 정보 전송 방법 및 장치

Country Status (3)

Country Link
US (1) US9356662B2 (ko)
KR (1) KR101487073B1 (ko)
WO (1) WO2011129547A2 (ko)

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JP2011004161A (ja) * 2009-06-18 2011-01-06 Sharp Corp 通信システム、通信装置および通信方法
US20150049702A1 (en) * 2012-03-22 2015-02-19 Alcatel Lucent Channel state information feedbacks for coordinated multipoint transmissions
KR102220399B1 (ko) * 2013-10-21 2021-02-25 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 무선 통신 시스템에서 사용자 단말기 선택 및 빔 포밍 동작 수행 장치 및 방법
US9408180B2 (en) 2014-03-05 2016-08-02 T-Mobile Usa, Inc. Traffic management for heterogenous networks
US9408118B2 (en) 2014-03-05 2016-08-02 T-Mobile Usa, Inc. Traffic management for heterogenous networks
US10085241B2 (en) 2014-11-07 2018-09-25 Acer Incorporated Device of reporting control information
US10299250B2 (en) * 2014-11-07 2019-05-21 Acer Incorporated Device of reporting control information
CN105099621B (zh) * 2015-06-29 2018-05-22 珠海市魅族科技有限公司 通信方法和通信设备
KR101757543B1 (ko) 2015-09-07 2017-07-13 오병서 천장등 고정방법 및 그 구조
KR101713528B1 (ko) 2015-09-10 2017-03-08 오병서 환기구를 겸한 등기구

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RU2007108554A (ru) * 2004-09-10 2008-09-20 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство беспроводной связи и способ беспроводной связи
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US20100069122A1 (en) * 2008-09-12 2010-03-18 Fujitsu Limited Communication Characteristic Control Method, Pilot Control Method, Base Station And Mobile Station

Also Published As

Publication number Publication date
KR101487073B1 (ko) 2015-01-28
US20130028129A1 (en) 2013-01-31
WO2011129547A2 (ko) 2011-10-20
US9356662B2 (en) 2016-05-31
KR20120140667A (ko) 2012-12-31

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