WO2010120140A3 - 참조 신호를 전송하는 방법 및 장치 - Google Patents

참조 신호를 전송하는 방법 및 장치 Download PDF

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Publication number
WO2010120140A3
WO2010120140A3 PCT/KR2010/002367 KR2010002367W WO2010120140A3 WO 2010120140 A3 WO2010120140 A3 WO 2010120140A3 KR 2010002367 W KR2010002367 W KR 2010002367W WO 2010120140 A3 WO2010120140 A3 WO 2010120140A3
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WO
WIPO (PCT)
Prior art keywords
resource
precoded
reference signal
transmitting
index
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Application number
PCT/KR2010/002367
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English (en)
French (fr)
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WO2010120140A9 (ko
WO2010120140A2 (ko
Inventor
정재훈
고현수
이문일
권영현
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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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Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to CN201080017065.7A priority Critical patent/CN102396165B/zh
Priority to KR1020117023278A priority patent/KR101276859B1/ko
Priority to US13/264,738 priority patent/US8743807B2/en
Priority to JP2012505824A priority patent/JP2012524453A/ja
Publication of WO2010120140A2 publication Critical patent/WO2010120140A2/ko
Publication of WO2010120140A9 publication Critical patent/WO2010120140A9/ko
Publication of WO2010120140A3 publication Critical patent/WO2010120140A3/ko
Priority to US14/254,602 priority patent/US9014127B2/en
Priority to US14/626,055 priority patent/US9438326B2/en
Priority to US15/222,693 priority patent/US9838098B2/en

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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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
    • 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
    • H04B7/0678—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 spreading codes between antennas
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/2653—Demodulators with direct demodulation of individual subcarriers
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/244—Connectivity information management, e.g. connectivity discovery or connectivity update using a network of reference devices, e.g. beaconing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

본 발명은 무선 통신 시스템에 관한 것이다. 구체적으로, 본 발명은 무선 통신 시스템에서 송신단이 참조 신호(Reference Signal; RS)를 전송하는 방법 및 장치에 관한 것으로서, 레이어(layer) 별로 정의된 RS 자원을 확인하는 단계; 및 상기 RS 자원을 이용하여, 레이어를 위한 프리코딩 된 RS를 다중 안테나를 통해 수신단으로 전송하는 단계를 포함하고, 상기 RS 자원은 자원블록(resource block) 내에서 상기 프리코딩 된 RS가 맵핑되는 RS 자원 패턴 그룹을 지시하는 제1 인덱스와 상기 프리코딩 된 RS를 상기 RS 자원 패턴 그룹 내에 다중화하기 위한 코드 자원을 지시하는 제2 인덱스를 포함하는 RS 전송 방법 및 이를 위한 장치에 관한 것이다.
PCT/KR2010/002367 2009-04-15 2010-04-15 참조 신호를 전송하는 방법 및 장치 WO2010120140A2 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201080017065.7A CN102396165B (zh) 2009-04-15 2010-04-15 发射参考信号的方法和设备
KR1020117023278A KR101276859B1 (ko) 2009-04-15 2010-04-15 참조 신호를 전송하는 방법 및 장치
US13/264,738 US8743807B2 (en) 2009-04-15 2010-04-15 Method and apparatus for transmitting reference signal
JP2012505824A JP2012524453A (ja) 2009-04-15 2010-04-15 参照信号を伝送する方法及び装置
US14/254,602 US9014127B2 (en) 2009-04-15 2014-04-16 Method and apparatus for transmitting reference signal
US14/626,055 US9438326B2 (en) 2009-04-15 2015-02-19 Method and apparatus for transmitting reference signal
US15/222,693 US9838098B2 (en) 2009-04-15 2016-07-28 Method and apparatus for transmitting reference signal

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US16969709P 2009-04-15 2009-04-15
US61/169,697 2009-04-15
US17319909P 2009-04-27 2009-04-27
US61/173,199 2009-04-27
US17322009P 2009-04-28 2009-04-28
US61/173,220 2009-04-28
US22306309P 2009-07-06 2009-07-06
US61/223,063 2009-07-06
US23312409P 2009-08-11 2009-08-11
US61/233,124 2009-08-11

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/264,738 A-371-Of-International US8743807B2 (en) 2009-04-15 2010-04-15 Method and apparatus for transmitting reference signal
US14/254,602 Continuation US9014127B2 (en) 2009-04-15 2014-04-16 Method and apparatus for transmitting reference signal

Publications (3)

Publication Number Publication Date
WO2010120140A2 WO2010120140A2 (ko) 2010-10-21
WO2010120140A9 WO2010120140A9 (ko) 2011-01-27
WO2010120140A3 true WO2010120140A3 (ko) 2011-03-17

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PCT/KR2010/002367 WO2010120140A2 (ko) 2009-04-15 2010-04-15 참조 신호를 전송하는 방법 및 장치

Country Status (5)

Country Link
US (4) US8743807B2 (ko)
JP (3) JP2012524453A (ko)
KR (1) KR101276859B1 (ko)
CN (2) CN102396165B (ko)
WO (1) WO2010120140A2 (ko)

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US9838098B2 (en) 2017-12-05
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JP2012524453A (ja) 2012-10-11
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