KR20010071441A - 간섭에 의한 방해파 캔슬러 - Google Patents

간섭에 의한 방해파 캔슬러 Download PDF

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Publication number
KR20010071441A
KR20010071441A KR1020007013922A KR20007013922A KR20010071441A KR 20010071441 A KR20010071441 A KR 20010071441A KR 1020007013922 A KR1020007013922 A KR 1020007013922A KR 20007013922 A KR20007013922 A KR 20007013922A KR 20010071441 A KR20010071441 A KR 20010071441A
Authority
KR
South Korea
Prior art keywords
signal
interference
digital
tap coefficient
relay
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
KR1020007013922A
Other languages
English (en)
Korean (ko)
Inventor
시부야가즈히꼬
이아이나오히꼬
이마무라고이찌로
Original Assignee
닛폰 호소 교카이
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 닛폰 호소 교카이 filed Critical 닛폰 호소 교카이
Publication of KR20010071441A publication Critical patent/KR20010071441A/ko
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/228—Elimination in the received signal of jamming or of data corrupted by jamming
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Radio Relay Systems (AREA)
  • Noise Elimination (AREA)
KR1020007013922A 1998-06-10 1999-06-10 간섭에 의한 방해파 캔슬러 Ceased KR20010071441A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP98-162189 1998-06-10
JP16218998A JP4409639B2 (ja) 1998-06-10 1998-06-10 回り込みキャンセラ
PCT/JP1999/003105 WO1999065173A1 (en) 1998-06-10 1999-06-10 Canceller for jamming wave by interference

Publications (1)

Publication Number Publication Date
KR20010071441A true KR20010071441A (ko) 2001-07-28

Family

ID=15749704

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007013922A Ceased KR20010071441A (ko) 1998-06-10 1999-06-10 간섭에 의한 방해파 캔슬러

Country Status (7)

Country Link
EP (1) EP1087559B1 (https=)
JP (1) JP4409639B2 (https=)
KR (1) KR20010071441A (https=)
CN (2) CN100505598C (https=)
DE (1) DE69941980D1 (https=)
TW (1) TW439354B (https=)
WO (1) WO1999065173A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100434355B1 (ko) * 2001-07-27 2004-06-04 엘지전자 주식회사 방송신호의 무변파 중계 장치
KR100845165B1 (ko) * 2004-05-17 2008-07-09 퀄컴 인코포레이티드 간섭 송신의 선택적인 블랭킹/감쇠를 통한 간섭 제어
KR101060585B1 (ko) * 2003-07-19 2011-08-31 주식회사 쏠리테크 반향 제거 장치를 갖는 무선 중계기 및 반향 신호 제거 방법

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ES2160087B1 (es) * 2000-02-18 2003-03-01 Mier Comunicaciones S A Procedimiento para la repeticion de señales en insofrecuencia y repetidor de señales en isofrecuencia.
JP3685687B2 (ja) 2000-06-23 2005-08-24 株式会社日立国際電気 ディジタル変調伝送方法
JP2002271241A (ja) 2001-03-06 2002-09-20 Matsushita Electric Ind Co Ltd 中継装置
JP3713214B2 (ja) * 2001-03-28 2005-11-09 日本無線株式会社 伝送路特性測定器および回り込みキャンセラ
FI20011219A0 (fi) * 2001-06-08 2001-06-08 Nokia Corp Digitaalinen häiriö
DE10155179B4 (de) * 2001-11-12 2006-11-23 Andrew Wireless Systems Gmbh Digitaler Repeater mit Bandpassfilterung, adaptiver Vorentzerrung und Unterdrückung der Eigenschwingung
GB0200238D0 (en) * 2002-01-07 2002-02-20 Imec Inter Uni Micro Electr Device for improving wireless outdoor-to-indoor digital communication
ITTO20020076A1 (it) * 2002-01-28 2003-07-28 Rai Radiotelevisione Italiana Procedimento e apparato di cancellazione del segnale di rientro in unripetitore di tipo gap filler per reti a singola frequenza dvb-t.
KR100460208B1 (ko) * 2002-09-18 2004-12-08 학교법인 한국정보통신학원 직교주파수 분할 다중 통신 시스템에서 주파수 도약 간섭제거장치 및 방법
CN100442681C (zh) * 2002-10-11 2008-12-10 松下电器产业株式会社 环路干扰消除器、中继系统和环路干扰消除方法
JP4464651B2 (ja) * 2002-10-11 2010-05-19 パナソニック株式会社 回り込みキャンセラ、中継システム及び回り込みキャンセル方法
JP2005039336A (ja) * 2003-07-15 2005-02-10 Kddi Corp 干渉信号抑圧回路およびプログラム
CN100382438C (zh) * 2003-07-15 2008-04-16 Kddi株式会社 用于中继器的干涉信号抑制回路、程序及中继器
WO2005060283A1 (en) * 2003-12-19 2005-06-30 Telefonaktiebolaget Lm Ericsson (Publ) Relay station and method for enabling reliable digital communications between two nodes in a wireless relay based network
ES2274659B2 (es) * 2003-12-23 2008-08-01 Tredess 2010, S.L. Sistema de procesado de señales de espectro plano.
JP4398752B2 (ja) * 2004-02-19 2010-01-13 株式会社エヌ・ティ・ティ・ドコモ 無線中継システム、無線中継装置及び無線中継方法
JP4524148B2 (ja) * 2004-07-16 2010-08-11 株式会社日立国際電気 無線中継装置
FR2883113B1 (fr) 2005-03-11 2007-06-22 Sodielec Sa Repeteur isofrequence pour reseaux de television numerique terrestre
ES2297976B2 (es) * 2005-07-12 2008-12-01 Tredess 2010, S.L. Sistema de procesado para conformacion de espectro.
JP4563897B2 (ja) * 2005-08-30 2010-10-13 日本放送協会 マルチパス等化装置及びそれを備えた再送信装置
CN101510800B (zh) * 2008-02-14 2012-09-12 上海无线通信研究中心 基于干扰相消的双中继信号传输方法
MX2010011219A (es) * 2008-04-18 2011-02-23 Darbs Co Ltd Repetidor regenerativo de cancelacion de señal de retroalimentacion de canal comun del comite de sistemas de television avanzada.
US8630211B2 (en) * 2010-06-30 2014-01-14 Qualcomm Incorporated Hybrid radio architecture for repeaters using RF cancellation reference
US9020343B1 (en) * 2011-04-29 2015-04-28 Bae Systems Information And Electronic Systems Integration Inc. Pre-jam waveforms for enhanced optical break lock jamming effects
CN102263759B (zh) * 2011-08-22 2013-10-30 宁波大学 一种数字广播单频网抗干扰移动信号传输方法
WO2014076606A1 (en) * 2012-11-15 2014-05-22 Novelsat Ltd. Echo cancellation in communication transceivers
EP3213420A1 (en) * 2014-10-30 2017-09-06 Mimotech (pty) Ltd. A radio transceiver and radio communication system
EP3245741A4 (en) 2015-01-14 2018-09-26 Novelsat Ltd. Echo cancellation with transmitter-side pre-filtering
CN105116220B (zh) * 2015-07-30 2017-11-17 中国电子科技集团公司第四十一研究所 同步分离信号与噪声的信号分析装置及其分析方法
DE202017102085U1 (de) 2017-04-07 2017-05-03 Jen-Yung Yang Glühkerzenzieher
CN109803506A (zh) * 2019-03-07 2019-05-24 北斗星际(广州)教育科技发展有限公司 一种无线传播模型的优化方法及其装置
US12401445B2 (en) * 2021-04-29 2025-08-26 L3 Harris Technologies, Inc. Interference detection and coarse parameter estimation using learned and inferred baseline information
CN121750016A (zh) * 2024-09-27 2026-03-27 上海华为技术有限公司 通信设备、干扰消除装置、干扰消除方法以及通信系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02249321A (ja) * 1989-03-22 1990-10-05 Toyo Commun Equip Co Ltd 中継方式
JPH036132A (ja) * 1989-06-02 1991-01-11 Nippon Hoso Kyokai <Nhk> Ｓｈｆ帯同一周波数中継方式
US5444864A (en) * 1992-12-22 1995-08-22 E-Systems, Inc. Method and apparatus for cancelling in-band energy leakage from transmitter to receiver
FR2732178A1 (fr) * 1995-03-22 1996-09-27 Philips Electronique Lab Systeme de transmission numerique muni d'un recepteur a egaliseurs cascades
US5691978A (en) * 1995-04-07 1997-11-25 Signal Science, Inc. Self-cancelling full-duplex RF communication system
KR100283612B1 (ko) * 1995-10-26 2001-03-02 다치카와 게이지 부스터장치
JP3379895B2 (ja) * 1997-10-15 2003-02-24 日本無線株式会社 中継放送機

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100434355B1 (ko) * 2001-07-27 2004-06-04 엘지전자 주식회사 방송신호의 무변파 중계 장치
KR101060585B1 (ko) * 2003-07-19 2011-08-31 주식회사 쏠리테크 반향 제거 장치를 갖는 무선 중계기 및 반향 신호 제거 방법
KR100845165B1 (ko) * 2004-05-17 2008-07-09 퀄컴 인코포레이티드 간섭 송신의 선택적인 블랭킹/감쇠를 통한 간섭 제어

Also Published As

Publication number Publication date
EP1087559B1 (en) 2010-01-27
CN1210899C (zh) 2005-07-13
WO1999065173A1 (en) 1999-12-16
EP1087559A1 (en) 2001-03-28
DE69941980D1 (de) 2010-03-18
JP4409639B2 (ja) 2010-02-03
JPH11355160A (ja) 1999-12-24
CN1308798A (zh) 2001-08-15
CN100505598C (zh) 2009-06-24
CN1527514A (zh) 2004-09-08
EP1087559A4 (en) 2005-04-06
TW439354B (en) 2001-06-07

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