WO2010062051A3 - 다중 입출력 시스템에서 공간 다중화 프리코딩 방법 - Google Patents

다중 입출력 시스템에서 공간 다중화 프리코딩 방법 Download PDF

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Publication number
WO2010062051A3
WO2010062051A3 PCT/KR2009/006394 KR2009006394W WO2010062051A3 WO 2010062051 A3 WO2010062051 A3 WO 2010062051A3 KR 2009006394 W KR2009006394 W KR 2009006394W WO 2010062051 A3 WO2010062051 A3 WO 2010062051A3
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WO
WIPO (PCT)
Prior art keywords
spatial multiplexing
coding
receiver device
coding method
output system
Prior art date
Application number
PCT/KR2009/006394
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English (en)
French (fr)
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WO2010062051A2 (ko
Inventor
전범진
김중헌
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.)
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to CN200980143859.5A priority Critical patent/CN102204115B/zh
Priority to EP09829258.4A priority patent/EP2343836B1/en
Priority to MX2011003592A priority patent/MX2011003592A/es
Priority to JP2011533118A priority patent/JP5368573B2/ja
Priority to US13/127,007 priority patent/US8842640B2/en
Publication of WO2010062051A2 publication Critical patent/WO2010062051A2/ko
Publication of WO2010062051A3 publication Critical patent/WO2010062051A3/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
    • H04B7/06—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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0413—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
    • H04B7/04—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
    • 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
    • H04B7/0636—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
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

본 발명은 다중 안테나를 구비한 송신 디바이스에서 공간 다중화 프리코딩을 수행하기 위해, 다중 안테나를 구비한 수신 디바이스와 빔 포밍을 위한 빔 서치 과정을 수행하는 단계, 상기 빔 서치 과정을 수행한 후에 상기 수신 디바이스로 적어도 하나 이상의 훈련 시퀀스(training sequence)를 포함하는 제1패킷을 전송하는 단계, 상기 수신 디바이스에서 상기 훈련 시퀀스를 이용하여 결정된 프리코딩을 위한 피드백 정보를 포함하는 제2패킷을 상기 수신 디바이스로부터 수신하는 단계 및 상기 피드백 정보를 기초로 산출된 프리코딩 행렬을 이용하여 상기 수신 디바이스로 전송할 데이터 스트림에 대해 공간 다중화 프리코딩을 수행하는 단계를 포함하는 공간 다중화 프리코딩 수행 방법에 관한 것이다.
PCT/KR2009/006394 2008-11-02 2009-11-02 다중 입출력 시스템에서 공간 다중화 프리코딩 방법 WO2010062051A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN200980143859.5A CN102204115B (zh) 2008-11-02 2009-11-02 用于在多输入输出系统中进行空间复用的预编码方法及设备
EP09829258.4A EP2343836B1 (en) 2008-11-02 2009-11-02 Pre-coding method for spatial multiplexing in multiple input and output system
MX2011003592A MX2011003592A (es) 2008-11-02 2009-11-02 Metodo previamente codificado para multiplexion espacial en sistema de entrada y salida multiple.
JP2011533118A JP5368573B2 (ja) 2008-11-02 2009-11-02 多重入出力システムにおける空間多重化プリコーティング方法
US13/127,007 US8842640B2 (en) 2008-11-02 2009-11-02 Pre-coding method for spatial multiplexing in multiple input and output system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US11060008P 2008-11-02 2008-11-02
US61/110,600 2008-11-02
US15755809P 2009-03-05 2009-03-05
US15755909P 2009-03-05 2009-03-05
US61/157,558 2009-03-05
US61/157,559 2009-03-05

Publications (2)

Publication Number Publication Date
WO2010062051A2 WO2010062051A2 (ko) 2010-06-03
WO2010062051A3 true WO2010062051A3 (ko) 2010-07-22

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PCT/KR2009/006394 WO2010062051A2 (ko) 2008-11-02 2009-11-02 다중 입출력 시스템에서 공간 다중화 프리코딩 방법

Country Status (8)

Country Link
US (1) US8842640B2 (ko)
EP (1) EP2343836B1 (ko)
JP (1) JP5368573B2 (ko)
KR (1) KR101619964B1 (ko)
CN (1) CN102204115B (ko)
MX (1) MX2011003592A (ko)
MY (1) MY153494A (ko)
WO (1) WO2010062051A2 (ko)

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MY153494A (en) 2015-02-13
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US8842640B2 (en) 2014-09-23
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