WO2012096476A3 - 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치 - Google Patents

무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치 Download PDF

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Publication number
WO2012096476A3
WO2012096476A3 PCT/KR2012/000121 KR2012000121W WO2012096476A3 WO 2012096476 A3 WO2012096476 A3 WO 2012096476A3 KR 2012000121 W KR2012000121 W KR 2012000121W WO 2012096476 A3 WO2012096476 A3 WO 2012096476A3
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WO
WIPO (PCT)
Prior art keywords
wireless communication
communication system
reference signal
transmitting
downlink reference
Prior art date
Application number
PCT/KR2012/000121
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English (en)
French (fr)
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WO2012096476A2 (ko
Inventor
서한별
김기준
서인권
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
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/976,860 priority Critical patent/US8971381B2/en
Priority to CN201280005053.1A priority patent/CN103314544B/zh
Priority to KR1020197009565A priority patent/KR102073620B1/ko
Priority to KR1020137015096A priority patent/KR101967296B1/ko
Priority to EP12734121.2A priority patent/EP2665211A4/en
Publication of WO2012096476A2 publication Critical patent/WO2012096476A2/ko
Publication of WO2012096476A3 publication Critical patent/WO2012096476A3/ko
Priority to US14/602,946 priority patent/US9712301B2/en

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Classifications

    • 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
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • H04L5/0016—Time-frequency-code
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0026—Division using four or more dimensions
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치가 개시된다. 본 발명에 따르면 다중-셀 동작에 있어서 셀 간의 참조신호의 직교성을 유지하는 방안이 제공된다.
PCT/KR2012/000121 2011-01-10 2012-01-05 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치 WO2012096476A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US13/976,860 US8971381B2 (en) 2011-01-10 2012-01-05 Method and device for transmitting/receiving downlink reference signal in wireless communication system
CN201280005053.1A CN103314544B (zh) 2011-01-10 2012-01-05 在无线通信系统中发送/接收下行链路参考信号的方法和设备
KR1020197009565A KR102073620B1 (ko) 2011-01-10 2012-01-05 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치
KR1020137015096A KR101967296B1 (ko) 2011-01-10 2012-01-05 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치
EP12734121.2A EP2665211A4 (en) 2011-01-10 2012-01-05 METHOD AND DEVICE FOR TRANSMITTING / RECEIVING DOWNLINK REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM
US14/602,946 US9712301B2 (en) 2011-01-10 2015-01-22 Method and device for transmitting/receiving downlink reference signal in wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161431414P 2011-01-10 2011-01-10
US61/431,414 2011-01-10

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/976,860 A-371-Of-International US8971381B2 (en) 2011-01-10 2012-01-05 Method and device for transmitting/receiving downlink reference signal in wireless communication system
US14/602,946 Continuation US9712301B2 (en) 2011-01-10 2015-01-22 Method and device for transmitting/receiving downlink reference signal in wireless communication system

Publications (2)

Publication Number Publication Date
WO2012096476A2 WO2012096476A2 (ko) 2012-07-19
WO2012096476A3 true WO2012096476A3 (ko) 2012-10-11

Family

ID=46507548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/000121 WO2012096476A2 (ko) 2011-01-10 2012-01-05 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치

Country Status (5)

Country Link
US (2) US8971381B2 (ko)
EP (2) EP3021505A1 (ko)
KR (2) KR101967296B1 (ko)
CN (1) CN103314544B (ko)
WO (1) WO2012096476A2 (ko)

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WO2012096476A2 (ko) 2012-07-19
CN103314544A (zh) 2013-09-18
US20150139151A1 (en) 2015-05-21
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US9712301B2 (en) 2017-07-18
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