JP4409639B2 - 回り込みキャンセラ - Google Patents

回り込みキャンセラ Download PDF

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Publication number
JP4409639B2
JP4409639B2 JP16218998A JP16218998A JP4409639B2 JP 4409639 B2 JP4409639 B2 JP 4409639B2 JP 16218998 A JP16218998 A JP 16218998A JP 16218998 A JP16218998 A JP 16218998A JP 4409639 B2 JP4409639 B2 JP 4409639B2
Authority
JP
Japan
Prior art keywords
signal
interference
digital
relay
wraparound
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.)
Expired - Lifetime
Application number
JP16218998A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11355160A (ja
JPH11355160A5 (https=
Inventor
一彦 渋谷
直彦 居相
浩一郎 今村
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.)
Japan Broadcasting Corp
Original Assignee
Japan Broadcasting Corp
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
Priority to JP16218998A priority Critical patent/JP4409639B2/ja
Application filed by Japan Broadcasting Corp filed Critical Japan Broadcasting Corp
Priority to EP99923994A priority patent/EP1087559B1/en
Priority to TW088109745A priority patent/TW439354B/zh
Priority to DE69941980T priority patent/DE69941980D1/de
Priority to CNB998083992A priority patent/CN1210899C/zh
Priority to PCT/JP1999/003105 priority patent/WO1999065173A1/ja
Priority to CNB2003101245864A priority patent/CN100505598C/zh
Priority to KR1020007013922A priority patent/KR20010071441A/ko
Publication of JPH11355160A publication Critical patent/JPH11355160A/ja
Publication of JPH11355160A5 publication Critical patent/JPH11355160A5/ja
Application granted granted Critical
Publication of JP4409639B2 publication Critical patent/JP4409639B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
JP16218998A 1998-06-10 1998-06-10 回り込みキャンセラ Expired - Lifetime JP4409639B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP16218998A JP4409639B2 (ja) 1998-06-10 1998-06-10 回り込みキャンセラ
TW088109745A TW439354B (en) 1998-06-10 1999-06-10 Interference wave eliminator
DE69941980T DE69941980D1 (de) 1998-06-10 1999-06-10 Auslöscher für störwelle mit interferenz
CNB998083992A CN1210899C (zh) 1998-06-10 1999-06-10 干涉致干扰波消除器
EP99923994A EP1087559B1 (en) 1998-06-10 1999-06-10 Canceller for jamming wave by interference
PCT/JP1999/003105 WO1999065173A1 (en) 1998-06-10 1999-06-10 Canceller for jamming wave by interference
CNB2003101245864A CN100505598C (zh) 1998-06-10 1999-06-10 干涉致干扰波消除器
KR1020007013922A KR20010071441A (ko) 1998-06-10 1999-06-10 간섭에 의한 방해파 캔슬러

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16218998A JP4409639B2 (ja) 1998-06-10 1998-06-10 回り込みキャンセラ

Publications (3)

Publication Number Publication Date
JPH11355160A JPH11355160A (ja) 1999-12-24
JPH11355160A5 JPH11355160A5 (https=) 2005-10-13
JP4409639B2 true JP4409639B2 (ja) 2010-02-03

Family

ID=15749704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16218998A Expired - Lifetime JP4409639B2 (ja) 1998-06-10 1998-06-10 回り込みキャンセラ

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=)

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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
KR100434355B1 (ko) * 2001-07-27 2004-06-04 엘지전자 주식회사 방송신호의 무변파 중계 장치
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
KR101060585B1 (ko) * 2003-07-19 2011-08-31 주식회사 쏠리테크 반향 제거 장치를 갖는 무선 중계기 및 반향 신호 제거 방법
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
US8085831B2 (en) * 2004-05-17 2011-12-27 Qualcomm Incorporated Interference control via selective blanking/attenuation of interfering transmissions
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

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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

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
KR20010071441A (ko) 2001-07-28
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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