WO2011046317A3 - 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 - Google Patents

다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 Download PDF

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Publication number
WO2011046317A3
WO2011046317A3 PCT/KR2010/006792 KR2010006792W WO2011046317A3 WO 2011046317 A3 WO2011046317 A3 WO 2011046317A3 KR 2010006792 W KR2010006792 W KR 2010006792W WO 2011046317 A3 WO2011046317 A3 WO 2011046317A3
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WO
WIPO (PCT)
Prior art keywords
communication mode
cell
mode
switching
mimo
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PCT/KR2010/006792
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English (en)
French (fr)
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WO2011046317A2 (ko
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서한별
김병훈
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엘지전자 주식회사
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Priority to US13/497,248 priority Critical patent/US8665817B2/en
Priority to KR1020127006375A priority patent/KR101753589B1/ko
Priority to EP10823556.5A priority patent/EP2490345B1/en
Publication of WO2011046317A2 publication Critical patent/WO2011046317A2/ko
Publication of WO2011046317A3 publication Critical patent/WO2011046317A3/ko

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    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0636—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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]

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 다중-셀 협력 통신 모드 및 단일-셀 MIMO 통신 모드 간의 모드 스위칭 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 통신 모드를 동적으로 스위칭하는 방법은, 제 1 통신 모드에 따라 제 1 피드백 정보를 생성 및 전송하는 단계, 상기 제 1 통신 모드에서 상기 제 1 통신 모드와 연동되는 제 2 통신 모드로 스위칭하는 단계와, 상기 제 2 통신 모드에 따라 제 2 피드백 정보를 생성 및 전송하는 단계를 포함하고, 상기 제 1 통신 모드는 다중-셀 협력멀티포인트(CoMP) 통신 모드 또는 단일-셀 다중입출력(MIMO) 통신 모드 중 하나이고, 상기 제 2 통신 모드는 상기 CoMP 통신 모드 또는 상기 단일-셀 MIMO 모드 중 상기 제 1 통신 모드 이외의 나머지 하나이며, 상기 스위칭 단계는 기지국으로부터의 시그널링에 의하지 않고 수행될 수 있다.
PCT/KR2010/006792 2009-10-14 2010-10-05 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 WO2011046317A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/497,248 US8665817B2 (en) 2009-10-14 2010-10-05 Method and apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell MIMO communication mode
KR1020127006375A KR101753589B1 (ko) 2009-10-14 2010-10-05 다중-셀 협력 통신 모드 및 단일-셀 ｍｉｍｏ 통신 모드 간의 모드 스위칭 방법 및 장치
EP10823556.5A EP2490345B1 (en) 2009-10-14 2010-10-05 Method and apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell mimo communication mode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25167009P 2009-10-14 2009-10-14
US61/251,670 2009-10-14

Publications (2)

Publication Number Publication Date
WO2011046317A2 WO2011046317A2 (ko) 2011-04-21
WO2011046317A3 true WO2011046317A3 (ko) 2011-09-09

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PCT/KR2010/006792 WO2011046317A2 (ko) 2009-10-14 2010-10-05 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치

Country Status (4)

Country Link
US (1) US8665817B2 (ko)
EP (1) EP2490345B1 (ko)
KR (1) KR101753589B1 (ko)
WO (1) WO2011046317A2 (ko)

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Also Published As

Publication number Publication date
EP2490345B1 (en) 2019-04-17
KR20120112370A (ko) 2012-10-11
KR101753589B1 (ko) 2017-07-04
EP2490345A4 (en) 2017-03-29
EP2490345A2 (en) 2012-08-22
US20120189077A1 (en) 2012-07-26
US8665817B2 (en) 2014-03-04
WO2011046317A2 (ko) 2011-04-21

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