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WO2012050364A3 - 다중 노드 시스템에서 신호 전송 방법 및 장치 - Google Patents

다중 노드 시스템에서 신호 전송 방법 및 장치 Download PDF

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Publication number
WO2012050364A3
WO2012050364A3 PCT/KR2011/007588 KR2011007588W WO2012050364A3 WO 2012050364 A3 WO2012050364 A3 WO 2012050364A3 KR 2011007588 W KR2011007588 W KR 2011007588W WO 2012050364 A3 WO2012050364 A3 WO 2012050364A3
Authority
WO
WIPO (PCT)
Prior art keywords
nodes
signal transmission
streams
node system
mapped
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2011/007588
Other languages
English (en)
French (fr)
Other versions
WO2012050364A2 (ko
Inventor
강지원
임빈철
김수남
천진영
박성호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to US13/879,310 priority Critical patent/US9219534B2/en
Publication of WO2012050364A2 publication Critical patent/WO2012050364A2/ko
Publication of WO2012050364A3 publication Critical patent/WO2012050364A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H04B7/022—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
    • H04B7/0413—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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding

Landscapes

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

Abstract

지리적으로 분산된 복수의 노드들과 상기 복수의 노드들 각각과 연결되어 제어할 수 있는 기지국을 포함하는 다중 노드 시스템의 신호 전송 방법 및 장치를 제공한다. 상기 방법은 복수의 코드워드들을 복수의 스트림들에 맵핑하는 단계; 상기 복수의 스트림들을 상기 복수의 노드들 중 적어도 하나의 노드에 맵핑하는 단계; 상기 적어도 하나의 노드에서 맵핑된 스트림들을 적어도 하나의 전송 안테나로 맵핑하는 MIMO 프리코딩을 수행하는 단계; 및 상기 MIMO 프리코딩이 수행된 신호를 상기 단말에게 전송하는 단계를 포함하는 것을 특징으로 한다.
PCT/KR2011/007588 2010-10-12 2011-10-12 다중 노드 시스템에서 신호 전송 방법 및 장치 Ceased WO2012050364A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/879,310 US9219534B2 (en) 2010-10-12 2011-10-12 Method and device for signal transmission in a multi-node system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39204210P 2010-10-12 2010-10-12
US61/392,042 2010-10-12

Publications (2)

Publication Number Publication Date
WO2012050364A2 WO2012050364A2 (ko) 2012-04-19
WO2012050364A3 true WO2012050364A3 (ko) 2012-06-07

Family

ID=45938803

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/007588 Ceased WO2012050364A2 (ko) 2010-10-12 2011-10-12 다중 노드 시스템에서 신호 전송 방법 및 장치

Country Status (2)

Country Link
US (1) US9219534B2 (ko)
WO (1) WO2012050364A2 (ko)

Families Citing this family (8)

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US8867503B2 (en) * 2012-08-16 2014-10-21 Futurewei Technologies, Inc. Localized CoMP precoding
US9496934B2 (en) 2013-01-09 2016-11-15 Lg Electronics Inc. Method and device for transmitting and receiving signals by using codebook in wireless communication system
CN105027461B (zh) * 2013-03-29 2019-06-28 英特尔Ip公司 用于多用户多输入多输出(mu-mimo)的正交波束成形
US20160149626A1 (en) * 2013-06-20 2016-05-26 Telefonaktiebolaget L M Ericsson (Publ) Mapping Codewords
CN105450272B (zh) * 2014-09-15 2021-07-20 中兴通讯股份有限公司 一种导频信息的反馈方法、装置及终端
WO2019200605A1 (en) * 2018-04-20 2019-10-24 Qualcomm Incorporated Techniques and apparatuses for signaling regarding rate splitting using first layers and second layers
US12425093B2 (en) 2022-09-19 2025-09-23 Electronics And Telecommunications Research Institute Method and apparatus for signal transmission and reception in communication system
KR102600700B1 (ko) * 2022-09-19 2023-11-09 한국전자통신연구원 통신 시스템에서 신호 송수신 방법 및 장치

Citations (1)

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US20060083512A1 (en) * 2004-10-19 2006-04-20 Microwave Photonics, Inc. Wireless signal distribution system and method

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KR101063373B1 (ko) * 2006-10-02 2011-09-07 인터디지탈 테크날러지 코포레이션 채널 품질 표시자 비트와 프리코딩 제어 정보 비트를 인코딩하기 위한 방법 및 장치
CN102017445B (zh) * 2007-01-05 2014-05-07 Lg电子株式会社 用于mimo系统的层映射方法和数据发射方法
US7995671B2 (en) * 2007-02-09 2011-08-09 Qualcomm Incorporated Multiple-input multiple-output (MIMO) transmission with rank-dependent precoding
KR101397207B1 (ko) * 2007-06-12 2014-05-20 삼성전자주식회사 이동 통신 시스템에서 공통제어채널 송수신 방법 및 장치
KR101527009B1 (ko) * 2008-07-11 2015-06-18 엘지전자 주식회사 다중 셀 기반에서 멀티-셀 ｍｉｍｏ 적용 방법
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Non-Patent Citations (2)

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J. E. MITCHELL: "Emerging radio-over-fiber technologies and networks: Challenges and Issues", PROCEEDING OF SPIE, vol. 7234, 2009, pages 723407-1 - 723407-8 *

Also Published As

Publication number Publication date
US20130195080A1 (en) 2013-08-01
WO2012050364A2 (ko) 2012-04-19
US9219534B2 (en) 2015-12-22

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