WO2010019017A3 - Ofdm 기반 무선통신 시스템에서 동일 주파수 릴레이 및 리피터의 자기간섭 제거 방법 및 그 장치 - Google Patents

Ofdm 기반 무선통신 시스템에서 동일 주파수 릴레이 및 리피터의 자기간섭 제거 방법 및 그 장치 Download PDF

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Publication number
WO2010019017A3
WO2010019017A3 PCT/KR2009/004564 KR2009004564W WO2010019017A3 WO 2010019017 A3 WO2010019017 A3 WO 2010019017A3 KR 2009004564 W KR2009004564 W KR 2009004564W WO 2010019017 A3 WO2010019017 A3 WO 2010019017A3
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WO
WIPO (PCT)
Prior art keywords
self
ofdm
communication system
radio communication
frequency band
Prior art date
Application number
PCT/KR2009/004564
Other languages
English (en)
French (fr)
Other versions
WO2010019017A2 (ko
Inventor
안재영
고영조
이희수
Original Assignee
한국전자통신연구원
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Filing date
Publication date
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to US13/059,002 priority Critical patent/US8725067B2/en
Publication of WO2010019017A2 publication Critical patent/WO2010019017A2/ko
Publication of WO2010019017A3 publication Critical patent/WO2010019017A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15542—Selecting at relay station its transmit and receive resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

본 발명은 직교 주파수 분할 다중화(Orthogonal Frequency Division Multiplexing: 이하 OFDM라고 함) 기반의 무선통신 시스템을 위한 동일 주파수 리피터(무선 중계기) 및 릴레이에서 전송안테나의 전송 신호가 직접 또는 반사체를 통해 수신안테나에 수신됨으로써 발생하는 자기간섭을 제거하는 방법 및 그 장치에 관한 것이다.
PCT/KR2009/004564 2008-08-14 2009-08-14 Ofdm 기반 무선통신 시스템에서 동일 주파수 릴레이 및 리피터의 자기간섭 제거 방법 및 그 장치 WO2010019017A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/059,002 US8725067B2 (en) 2008-08-14 2009-08-14 Self-interference cancellation method and apparatus of relay using the same frequency band in OFDM-based radio communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0080126 2008-08-14
KR20080080126 2008-08-14

Publications (2)

Publication Number Publication Date
WO2010019017A2 WO2010019017A2 (ko) 2010-02-18
WO2010019017A3 true WO2010019017A3 (ko) 2013-10-24

Family

ID=41669504

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/004564 WO2010019017A2 (ko) 2008-08-14 2009-08-14 Ofdm 기반 무선통신 시스템에서 동일 주파수 릴레이 및 리피터의 자기간섭 제거 방법 및 그 장치

Country Status (3)

Country Link
US (1) US8725067B2 (ko)
KR (1) KR20100021383A (ko)
WO (1) WO2010019017A2 (ko)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101015200B1 (ko) * 2009-09-09 2011-02-18 (주)루미콤 무선 중계기용 주파수 영역 기반 간섭 채널 추정 장치
US8743980B2 (en) * 2010-08-12 2014-06-03 Acer Incorporated Method of designing reference signal pattern and related communication device
KR101218726B1 (ko) * 2011-02-21 2013-01-21 성균관대학교산학협력단 부분 전이중 중계 방식을 이용한 동기 신호 수신 방법
EP3422585B1 (en) * 2011-06-01 2021-11-10 CommScope Technologies LLC Broadband distributed antenna system with non-duplexer isolator sub-system
US9124475B2 (en) * 2011-09-19 2015-09-01 Alcatel Lucent Method and apparatus for interference cancellation for antenna arrays
KR101902578B1 (ko) * 2011-10-14 2018-10-01 애플 인크. 무선통신 시스템에서 참조신호의 전송 방법 및 장치
US8780964B2 (en) 2012-01-24 2014-07-15 Qualcomm Incorporated Methods and apparatus for reducing and/or eliminating the effects of self-interference
US10116426B2 (en) * 2012-02-09 2018-10-30 The Regents Fo The University Of California Methods and systems for full duplex wireless communications
US20130242766A1 (en) * 2012-03-14 2013-09-19 Qualcomm Incorporated Pre-sib2 channel estimation and signal processing in the presence of mbsfn for lte
US9008208B2 (en) 2012-05-13 2015-04-14 Amir Keyvan Khandani Wireless transmission with channel state perturbation
GB2502627A (en) * 2012-06-01 2013-12-04 Renesas Mobile Corp Wireless Full Duplex indication message and capability message sent between two communication devices
CN103516638B (zh) 2012-06-25 2016-08-24 华为技术有限公司 一种获取自干扰信道的信道响应的方法及全双工信机
CN103716266B (zh) * 2012-09-29 2017-09-12 华为技术有限公司 信号处理方法、装置及系统
CN104838610B (zh) * 2012-12-11 2018-11-16 Lg电子株式会社 在无线通信系统中收发信号的方法及其设备
US10177896B2 (en) 2013-05-13 2019-01-08 Amir Keyvan Khandani Methods for training of full-duplex wireless systems
US9621221B2 (en) 2013-05-21 2017-04-11 The Regents Of The University Of California Methods for cancellation of radio interference in wireless communication systems
KR20160019431A (ko) * 2013-06-10 2016-02-19 엘지전자 주식회사 자기 간섭 채널을 측정하는 방법 및 단말
CN105340201B (zh) * 2013-06-25 2018-01-23 Lg 电子株式会社 在支持全双工无线电通信的无线接入系统中估计自干扰的方法和设备
GB2516114B (en) * 2013-07-12 2016-01-06 Broadcom Corp Tracking
WO2015009084A1 (ko) * 2013-07-19 2015-01-22 엘지전자 주식회사 자기 간섭 제거가 가능한 송수신부를 포함하는 사용자 장치 및 그 방법
US9287995B2 (en) * 2013-08-20 2016-03-15 Broadcom Corporation Self-interference cancellation
CN105359473B (zh) * 2013-10-17 2018-11-06 华为技术有限公司 一种信道估计方法、装置及系统
RU2644396C2 (ru) * 2013-11-29 2018-02-12 Хуавэй Текнолоджиз Ко., Лтд. Устройство и способ для сокращения сигнала собственной помехи в системе связи
US9236996B2 (en) 2013-11-30 2016-01-12 Amir Keyvan Khandani Wireless full-duplex system and method using sideband test signals
KR102284364B1 (ko) 2013-12-24 2021-08-02 엘지전자 주식회사 Fdr 통신 환경에서 단말이 상향링크 데이터를 전송하는 방법
US9820311B2 (en) 2014-01-30 2017-11-14 Amir Keyvan Khandani Adapter and associated method for full-duplex wireless communication
KR101791633B1 (ko) * 2014-03-29 2017-10-30 주식회사 쏠리드 간섭 제거 중계 장치
US9614658B2 (en) * 2014-06-20 2017-04-04 Huawei Technologies Co., Ltd. System and method for radio full duplex
CN105450559B (zh) * 2014-07-31 2018-10-19 华为技术有限公司 一种自干扰信道估计方法和设备
US9705662B2 (en) 2014-08-15 2017-07-11 Huawei Technologies Co., Ltd. System and method for radio full duplex
US10574276B2 (en) * 2014-08-27 2020-02-25 Qualcomm Incorporated Selecting a precoding configuration based on self-jamming metrics
US9237043B1 (en) * 2014-09-03 2016-01-12 Raytheon Company Method and apparatus to provide simultaneous sensing and transmission for dynamic spectrum access
KR101553805B1 (ko) * 2014-09-15 2015-09-17 아주대학교산학협력단 양방향 릴레이 채널을 위한 아날로그 네트워크 코딩 기반의 랜덤 액세스 방법 및 그 장치
WO2016054455A1 (en) 2014-10-01 2016-04-07 Jin Zhou Circuits and methods for transceiver self-interference cancellers
US9832053B2 (en) * 2014-10-08 2017-11-28 Lg Electronics Inc. Method and apparatus for reconstructing desired signal in case of using full duplex radio (FDR) scheme
KR101586716B1 (ko) * 2015-01-05 2016-01-19 아주대학교산학협력단 슬롯 기반 채널을 이용한 통신 방법 및 그 장치
KR101584481B1 (ko) * 2015-01-21 2016-01-22 명지대학교 산학협력단 전이중 방식의 통신 장치 및 이의 제어 방법
DE112016000449B4 (de) 2015-01-23 2024-08-08 Lg Electronics Inc. Verfahren zum Schätzen eines nichtlinearen Selbstinterferenz-Signalkanals durch eine Vorrichtung unter Verwendung eines FDR-Schemas
CN105991486B (zh) * 2015-01-30 2019-12-10 中国移动通信集团公司 一种干扰消除方法及装置
US10033513B2 (en) * 2015-02-09 2018-07-24 Huawei Technologies Co., Ltd. Channel impulse response estimation for full-duplex communication networks
US10554361B2 (en) 2015-04-20 2020-02-04 Lg Electronics Inc. Method for changing reference signal allocation in environment allowing operation in FDR scheme and device therefor
KR102251970B1 (ko) 2015-05-07 2021-05-14 삼성전자 주식회사 풀 듀플렉스 방식을 지원하는 통신 시스템에서 자기 간섭 신호 제거 장치 및 방법
US9787460B2 (en) 2015-07-16 2017-10-10 LGS Innovations LLC Self-interference channel estimation system and method
CN105099643B (zh) * 2015-08-18 2019-03-01 北京科技大学 一种全双工无线通信的方法、天线装置及系统
KR101670705B1 (ko) * 2015-09-30 2016-11-01 명지대학교 산학협력단 Ofdm 기반 전이중 무선통신 시스템에서의 잔여 자기간섭 디지털 제거 시스템
US10680673B2 (en) 2015-12-24 2020-06-09 Intel Corporation Integrated circuit for self-interference cancellation and method of performing full-duplex radio communication
KR102129063B1 (ko) * 2015-12-31 2020-07-01 주식회사 쏠리드 중계기 및 이의 신호 감쇄 방법
US10333593B2 (en) 2016-05-02 2019-06-25 Amir Keyvan Khandani Systems and methods of antenna design for full-duplex line of sight transmission
US10142084B2 (en) * 2016-07-01 2018-11-27 Intel Corporation Full-duplex self-interference cancellation
KR102515541B1 (ko) 2016-07-19 2023-03-30 한국전자통신연구원 이동무선백홀 네트워크에서의 고속 이동체 단말 및 그의 제어정보 전송 방법과, 기지국의 제어정보 수신 방법
US11038736B2 (en) * 2016-07-21 2021-06-15 Lg Electronics Inc. Method for cancelling self-interference signal when operating in FDR mode, and device therefor
US10700766B2 (en) 2017-04-19 2020-06-30 Amir Keyvan Khandani Noise cancelling amplify-and-forward (in-band) relay with self-interference cancellation
US10355771B1 (en) 2017-05-22 2019-07-16 Resonant Sciences, LLC RF repeater and mobile unit with cancellation of interference from a repeated signal
US10320431B2 (en) 2017-07-27 2019-06-11 Huawei Technologies Co., Ltd. Method and apparatus for interference cancellation in full-duplex multi-cell networks
CN109428624B (zh) * 2017-08-29 2021-01-08 维沃移动通信有限公司 信号处理方法、网络设备、终端及计算机可读存储介质
US11212089B2 (en) 2017-10-04 2021-12-28 Amir Keyvan Khandani Methods for secure data storage
US11012144B2 (en) 2018-01-16 2021-05-18 Amir Keyvan Khandani System and methods for in-band relaying
US10615886B2 (en) 2018-08-21 2020-04-07 At&T Intellectual Property I, L.P. Method and apparatus for mitigating radio interference
CN111130682B (zh) * 2018-11-01 2021-03-23 华为技术有限公司 一种信号处理方法及装置
US11770473B2 (en) * 2020-05-01 2023-09-26 Qualcomm Incorporated Avoid and react to sudden possibility of damage to receiver in self-interference measurement
US12120716B1 (en) 2020-06-26 2024-10-15 Resonant Sciences, LLC Initiating wideband simultaneous transmit and receive communications

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003298548A (ja) * 2002-04-01 2003-10-17 Matsushita Electric Ind Co Ltd 回り込みキャンセラ
EP1566900A2 (en) * 2004-02-19 2005-08-24 NTT DoCoMo, Inc. Wireless relay system, apparatus and method
EP1848124A1 (en) * 2005-02-18 2007-10-24 Matsushita Electric Industrial Co., Ltd. Wireless communication method, relay station apparatus, and wireless transmitting apparatus
EP1855428A2 (en) * 2006-05-11 2007-11-14 Samsung Electronics Co., Ltd. Apparatus and method for providing relay link zone information in a multi-hop relay broadband wireless access communication system
WO2008004916A1 (en) * 2006-07-03 2008-01-10 Telefonaktiebolaget Lm Ericsson (Publ) Multi-antenna relay with self-interference cancellation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5691978A (en) * 1995-04-07 1997-11-25 Signal Science, Inc. Self-cancelling full-duplex RF communication system
US7096042B2 (en) * 2003-01-21 2006-08-22 Interdigital Technology Corporation System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions
US8027642B2 (en) * 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
GB2442675B (en) 2005-09-30 2012-10-24 Intel Corp Systems and techniques for space-time coded cochannel interference cancellation
FI20055711A0 (fi) * 2005-12-29 2005-12-29 Nokia Corp Häiriön poisto radiovastaanottimessa
KR100959332B1 (ko) * 2006-11-07 2010-05-20 삼성전자주식회사 광대역 무선통신시스템에서 간섭 제거 장치 및 방법
KR101002839B1 (ko) * 2007-07-31 2010-12-21 삼성전자주식회사 통신 시스템에서 간섭 제거를 위한 중계국 장치 및 방법
US8358969B2 (en) * 2009-05-11 2013-01-22 Qualcomm Incorporated Feedback delay control in an echo cancellation repeater
US20120300680A1 (en) * 2011-05-27 2012-11-29 Qualcomm Incorporated Transmission schemes for relay

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003298548A (ja) * 2002-04-01 2003-10-17 Matsushita Electric Ind Co Ltd 回り込みキャンセラ
EP1566900A2 (en) * 2004-02-19 2005-08-24 NTT DoCoMo, Inc. Wireless relay system, apparatus and method
EP1848124A1 (en) * 2005-02-18 2007-10-24 Matsushita Electric Industrial Co., Ltd. Wireless communication method, relay station apparatus, and wireless transmitting apparatus
EP1855428A2 (en) * 2006-05-11 2007-11-14 Samsung Electronics Co., Ltd. Apparatus and method for providing relay link zone information in a multi-hop relay broadband wireless access communication system
WO2008004916A1 (en) * 2006-07-03 2008-01-10 Telefonaktiebolaget Lm Ericsson (Publ) Multi-antenna relay with self-interference cancellation

Also Published As

Publication number Publication date
US8725067B2 (en) 2014-05-13
US20110143655A1 (en) 2011-06-16
WO2010019017A2 (ko) 2010-02-18
KR20100021383A (ko) 2010-02-24

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