WO2012002711A3 - 다중 노드 시스템에서 간섭 제거 방법 및 이러한 방법을 이용하는 단말 - Google Patents

다중 노드 시스템에서 간섭 제거 방법 및 이러한 방법을 이용하는 단말 Download PDF

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Publication number
WO2012002711A3
WO2012002711A3 PCT/KR2011/004722 KR2011004722W WO2012002711A3 WO 2012002711 A3 WO2012002711 A3 WO 2012002711A3 KR 2011004722 W KR2011004722 W KR 2011004722W WO 2012002711 A3 WO2012002711 A3 WO 2012002711A3
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
node system
signal
eliminating interference
node
Prior art date
Application number
PCT/KR2011/004722
Other languages
English (en)
French (fr)
Other versions
WO2012002711A2 (ko
Inventor
천진영
김기태
김수남
강지원
임빈철
박성호
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
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/806,994 priority Critical patent/US9025510B2/en
Priority to EP11801117.0A priority patent/EP2587695B1/en
Publication of WO2012002711A2 publication Critical patent/WO2012002711A2/ko
Publication of WO2012002711A3 publication Critical patent/WO2012002711A3/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or 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
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • H04L25/03904—Spatial equalizers codebook-based design cooperative design, e.g. exchanging of codebook information between base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Landscapes

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

Abstract

다중 노드 시스템에서 제1 단말이 수행하는 간섭 제거 방법은 제2 단말에게 전송하는 제2 신호에 적용하는 제2 프리코딩 행렬에 대한 정보를 노드로부터 수신하는 단계; 상기 노드로부터 제1 프리코딩 행렬이 적용된 제1 신호를 수신하는 단계; 및 상기 제1 신호에 포함된 간섭 신호를 상기 제2 프리코딩 행렬에 대한 정보를 기반으로 제거하는 단계를 포함한다.
PCT/KR2011/004722 2010-06-28 2011-06-28 다중 노드 시스템에서 간섭 제거 방법 및 이러한 방법을 이용하는 단말 WO2012002711A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/806,994 US9025510B2 (en) 2010-06-28 2011-06-28 Method for eliminating interference in multi-node system and terminal using method thereof
EP11801117.0A EP2587695B1 (en) 2010-06-28 2011-06-28 Method for eliminating interference in multi-node system and terminal using method thereof

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US35894510P 2010-06-28 2010-06-28
US35894710P 2010-06-28 2010-06-28
US61/358,947 2010-06-28
US61/358,945 2010-06-28

Publications (2)

Publication Number Publication Date
WO2012002711A2 WO2012002711A2 (ko) 2012-01-05
WO2012002711A3 true WO2012002711A3 (ko) 2012-02-23

Family

ID=45402554

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/004722 WO2012002711A2 (ko) 2010-06-28 2011-06-28 다중 노드 시스템에서 간섭 제거 방법 및 이러한 방법을 이용하는 단말

Country Status (3)

Country Link
US (1) US9025510B2 (ko)
EP (1) EP2587695B1 (ko)
WO (1) WO2012002711A2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8675762B2 (en) * 2011-05-02 2014-03-18 Alcatel Lucent Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication
US9768939B2 (en) 2012-06-18 2017-09-19 Lg Electronics Inc. Signal transmission/reception method and apparatus therefor
US10999794B2 (en) * 2015-04-10 2021-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Methods of UE power saving with multiple receivers
WO2017160196A1 (en) * 2016-03-17 2017-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Effective transmission scheduling in a distributed antenna system
RU2740033C1 (ru) * 2017-09-08 2020-12-30 Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. Способ осуществления беспроводной связи, терминальное устройство и узел передачи

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090026101A (ko) * 2007-09-07 2009-03-11 브로드콤 코포레이션 다중 사용자 다중 입력 다중 출력 통신 시스템에서 코드북을 이용하여 빔성형하는 방법 및 시스템
KR20090031082A (ko) * 2007-09-21 2009-03-25 삼성전자주식회사 사용자 협력 단말 장치 및 이를 이용한 사용자 협력 통신방법
US20100034146A1 (en) * 2008-08-07 2010-02-11 Qualcomm Incorporated Method and apparatus for supporting multi-user and single-user mimo in a wireless communication system
KR20100060958A (ko) * 2008-11-28 2010-06-07 삼성전자주식회사 무선 통신 시스템에서의 중계기를 사용한 간섭 제거 기반 교대 전송 방법 및 이를 위한 시스템

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101483460A (zh) * 2008-01-11 2009-07-15 三星电子株式会社 构建用于mu-mimo系统的可分级pmi信令方法
EP2141825A1 (en) * 2008-06-30 2010-01-06 Alcatel, Lucent Method of reducing intra-cell spatial interference in a mobile cellular network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090026101A (ko) * 2007-09-07 2009-03-11 브로드콤 코포레이션 다중 사용자 다중 입력 다중 출력 통신 시스템에서 코드북을 이용하여 빔성형하는 방법 및 시스템
KR20090031082A (ko) * 2007-09-21 2009-03-25 삼성전자주식회사 사용자 협력 단말 장치 및 이를 이용한 사용자 협력 통신방법
US20100034146A1 (en) * 2008-08-07 2010-02-11 Qualcomm Incorporated Method and apparatus for supporting multi-user and single-user mimo in a wireless communication system
KR20100060958A (ko) * 2008-11-28 2010-06-07 삼성전자주식회사 무선 통신 시스템에서의 중계기를 사용한 간섭 제거 기반 교대 전송 방법 및 이를 위한 시스템

Also Published As

Publication number Publication date
WO2012002711A2 (ko) 2012-01-05
EP2587695B1 (en) 2019-12-11
EP2587695A4 (en) 2015-10-07
US9025510B2 (en) 2015-05-05
EP2587695A2 (en) 2013-05-01
US20130100875A1 (en) 2013-04-25

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