KR101241916B1 - 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 - Google Patents

다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 Download PDF

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Publication number
KR101241916B1
KR101241916B1 KR1020100104630A KR20100104630A KR101241916B1 KR 101241916 B1 KR101241916 B1 KR 101241916B1 KR 1020100104630 A KR1020100104630 A KR 1020100104630A KR 20100104630 A KR20100104630 A KR 20100104630A KR 101241916 B1 KR101241916 B1 KR 101241916B1
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KR
South Korea
Prior art keywords
csi
antenna ports
subcarriers
ofdm symbols
candidates
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KR1020100104630A
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English (en)
Korean (ko)
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KR20110091839A (ko
Inventor
이대원
김학성
김병훈
김기준
김은선
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엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to CN201180008624.2A priority Critical patent/CN102754357B/zh
Priority to RU2012138168/07A priority patent/RU2518405C2/ru
Priority to PCT/KR2011/000045 priority patent/WO2011096646A2/en
Priority to MX2012008309A priority patent/MX2012008309A/es
Priority to BR112012019651-0A priority patent/BR112012019651B1/pt
Priority to AU2011211579A priority patent/AU2011211579B2/en
Priority to CN201510006914.3A priority patent/CN104485984B/zh
Priority to JP2012551902A priority patent/JP5779595B2/ja
Priority to US13/006,879 priority patent/US8494006B2/en
Publication of KR20110091839A publication Critical patent/KR20110091839A/ko
Application granted granted Critical
Publication of KR101241916B1 publication Critical patent/KR101241916B1/ko
Priority to US13/932,895 priority patent/US9345034B2/en
Priority to JP2015138845A priority patent/JP6100843B2/ja
Priority to US15/099,423 priority patent/US9577806B2/en
Priority to US15/412,391 priority patent/US9780936B2/en

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    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020100104630A 2010-02-07 2010-10-26 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 KR101241916B1 (ko)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CN201510006914.3A CN104485984B (zh) 2010-02-07 2011-01-05 发送csi‑rs、测量信道状态信息的方法和设备
PCT/KR2011/000045 WO2011096646A2 (en) 2010-02-07 2011-01-05 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
MX2012008309A MX2012008309A (es) 2010-02-07 2011-01-05 Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas.
JP2012551902A JP5779595B2 (ja) 2010-02-07 2011-01-05 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
AU2011211579A AU2011211579B2 (en) 2010-02-07 2011-01-05 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
RU2012138168/07A RU2518405C2 (ru) 2010-02-07 2011-01-05 Способ и устройство для передачи опорного сигнала нисходящей линии связи в системе беспроводной связи, поддерживающей множество антенн
CN201180008624.2A CN102754357B (zh) 2010-02-07 2011-01-05 在支持多个天线的无线通信系统中发送下行链路基准信号的方法和设备
BR112012019651-0A BR112012019651B1 (pt) 2010-02-07 2011-01-05 Método e estação base para transmitir sinais de referência de informação de estado de canal (csi-rss) para oito ou menos portas de antena, e método e equipamento de usuário para medir informação de canal a partir de sinais de referência de informação de estado de canal (csi-rss) para oito ou menos portas de antena
US13/006,879 US8494006B2 (en) 2010-02-07 2011-01-14 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
US13/932,895 US9345034B2 (en) 2010-02-07 2013-07-01 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
JP2015138845A JP6100843B2 (ja) 2010-02-07 2015-07-10 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
US15/099,423 US9577806B2 (en) 2010-02-07 2016-04-14 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
US15/412,391 US9780936B2 (en) 2010-02-07 2017-01-23 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30216610P 2010-02-07 2010-02-07
US61/302,166 2010-02-07
US30939010P 2010-03-01 2010-03-01
US61/309,390 2010-03-01

Related Child Applications (1)

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KR1020120081179A Division KR101276862B1 (ko) 2010-02-07 2012-07-25 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20110091839A KR20110091839A (ko) 2011-08-16
KR101241916B1 true KR101241916B1 (ko) 2013-03-11

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KR1020100104630A KR101241916B1 (ko) 2010-02-07 2010-10-26 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
KR1020120081179A KR101276862B1 (ko) 2010-02-07 2012-07-25 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치

Family Applications After (1)

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KR1020120081179A KR101276862B1 (ko) 2010-02-07 2012-07-25 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치

Country Status (7)

Country Link
JP (2) JP5779595B2 (ja)
KR (2) KR101241916B1 (ja)
CN (2) CN102754357B (ja)
AU (1) AU2011211579B2 (ja)
BR (1) BR112012019651B1 (ja)
MX (1) MX2012008309A (ja)
RU (1) RU2518405C2 (ja)

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JP2016001880A (ja) 2016-01-07
JP6100843B2 (ja) 2017-03-22
MX2012008309A (es) 2012-08-03
AU2011211579A1 (en) 2012-07-26
AU2011211579B2 (en) 2013-08-29
JP2013519287A (ja) 2013-05-23
JP5779595B2 (ja) 2015-09-16
BR112012019651B1 (pt) 2021-11-16
KR20110091839A (ko) 2011-08-16
RU2518405C2 (ru) 2014-06-10
CN104485984A (zh) 2015-04-01
BR112012019651A2 (pt) 2016-05-03
CN102754357A (zh) 2012-10-24
RU2012138168A (ru) 2014-03-27
CN102754357B (zh) 2015-02-04
KR20120100857A (ko) 2012-09-12

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