DE69636573D1 - Funksender für Wiederübertragung von OFDM-Signalen - Google Patents

Funksender für Wiederübertragung von OFDM-Signalen

Info

Publication number
DE69636573D1
DE69636573D1 DE69636573T DE69636573T DE69636573D1 DE 69636573 D1 DE69636573 D1 DE 69636573D1 DE 69636573 T DE69636573 T DE 69636573T DE 69636573 T DE69636573 T DE 69636573T DE 69636573 D1 DE69636573 D1 DE 69636573D1
Authority
DE
Germany
Prior art keywords
retransmission
radio transmitter
ofdm signals
ofdm
signals
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
DE69636573T
Other languages
English (en)
Other versions
DE69636573T2 (de
Inventor
Jonathan Highton Stott
Nicholas Dominic Wells
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.)
British Broadcasting Corp
Original Assignee
British 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
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Application granted granted Critical
Publication of DE69636573D1 publication Critical patent/DE69636573D1/de
Publication of DE69636573T2 publication Critical patent/DE69636573T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
DE69636573T 1995-10-30 1996-10-30 Funksender für Wiederübertragung von OFDM-Signalen Expired - Lifetime DE69636573T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9522198.2A GB9522198D0 (en) 1995-10-30 1995-10-30 Ofdm active deflectors
GB9522198 1995-10-30

Publications (2)

Publication Number Publication Date
DE69636573D1 true DE69636573D1 (de) 2006-11-09
DE69636573T2 DE69636573T2 (de) 2007-06-06

Family

ID=10783105

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69636573T Expired - Lifetime DE69636573T2 (de) 1995-10-30 1996-10-30 Funksender für Wiederübertragung von OFDM-Signalen

Country Status (3)

Country Link
EP (1) EP0772310B1 (de)
DE (1) DE69636573T2 (de)
GB (2) GB9522198D0 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19752283C2 (de) * 1997-11-26 2000-08-10 Deutsche Telekom Ag Schaltungsanordung und Verfahren zum adaptiven Regeln der Verstärkung eines rückgekoppelten Verstärkers für digitale Signale, insbesondere für ein digitales Rundfunksystem
DE69902623T2 (de) * 1999-03-25 2003-04-10 Kabushiki Kaisha Toshiba, Kawasaki Zwischenverstärker eines OFDM-Übertragungssignals
DE69906927T2 (de) * 1999-03-25 2003-12-24 Kabushiki Kaisha Toshiba, Kawasaki Zwischenverstärker eines OFDM-Übertragungssignals und Empfänger
EP1056198B1 (de) * 1999-05-25 2005-04-27 Deutsche Telekom AG Schaltungsanordnung und Verfahren zum adaptiven Regeln der Verstärkung eines rückgekoppelten Verstärkers
JP3540686B2 (ja) * 1999-09-30 2004-07-07 株式会社東芝 Ｏｆｄｍ用周波数特性補償器
EP1098484A3 (de) * 1999-11-02 2004-01-02 British Broadcasting Corporation Mehrträgerempfänger, insbesondere für digitalen Hörfunk
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.
DE10027115B4 (de) * 2000-05-31 2005-02-24 Siemens Ag Verfahren zur Signalübertragung und Funk-Kommunikationssystem dafür
SG99310A1 (en) 2000-06-16 2003-10-27 Oki Techno Ct Singapore Pte Methods and apparatus for reducing signal degradation
DE20107231U1 (de) * 2001-04-26 2001-09-27 Kathrein-Werke Kg, 83022 Rosenheim Erweiterungsset für ein Empfangsgerät, insbesondere ein DVB-T-Empfangsgerät
GB0200238D0 (en) * 2002-01-07 2002-02-20 Imec Inter Uni Micro Electr Device for improving wireless outdoor-to-indoor digital communication
CN1288577C (zh) * 2002-01-18 2006-12-06 马格纳光公司 无线分配和收集系统
ES2274659B2 (es) * 2003-12-23 2008-08-01 Tredess 2010, S.L. Sistema de procesado de señales de espectro plano.
JP2008518493A (ja) * 2004-09-17 2008-05-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチキャリア無線通信システムの中継器
JP2008538166A (ja) * 2005-01-21 2008-10-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ デジタルテレビ信号の存在を検出する方法及び機器
WO2006115320A1 (en) * 2005-04-25 2006-11-02 Electronics And Telecommunications Research Institute Apparatus and method of on-channel repeater
GB0510385D0 (en) 2005-05-20 2005-06-29 British Broadcasting Corp Improvements relating to on-channel repeaters
DE602005012685D1 (de) * 2005-07-25 2009-03-26 Harris Broadcast Systems Europ Verfahren und Gerät zur Zwischenverstärkung von Gleichfrequenzsignalen
GB2428934A (en) * 2005-07-26 2007-02-07 Ovus Ltd Orthogonal Frequency Division Multiplex (OFDM) Repeaters
US7715785B2 (en) * 2006-04-21 2010-05-11 Powerwave Technologies, Inc. System and method for estimation and compensation of radiated feedback coupling in a high gain repeater
GB2444537B (en) 2006-12-06 2010-12-22 British Broadcasting Corp Improved on-channel repeater
EP2160850B1 (de) * 2007-06-29 2010-12-22 Thomson Licensing Verstärker für funksignale und im besonderen für digitale fernsehsignale
GB0720658D0 (en) 2007-10-22 2007-12-05 British Broadcasting Corp Improvements relating to adaptive finite impulse response filters such as used in on-channel repeaters
US20100284447A1 (en) * 2009-05-11 2010-11-11 Qualcomm Incorporated Frequency domain feedback channel estimation for an interference cancellation repeater including sampling of non causal taps
US8358969B2 (en) * 2009-05-11 2013-01-22 Qualcomm Incorporated Feedback delay control in an echo cancellation repeater
US8463176B2 (en) * 2009-05-11 2013-06-11 Qualcomm Incorporated Stability indicator for a wireless repeater
US9049065B2 (en) 2009-05-11 2015-06-02 Qualcomm Incorporated Removal of ICI/ISI errors in frequency domain channel estimation for wireless repeaters
KR20100134942A (ko) * 2009-06-16 2010-12-24 주식회사 쏠리테크 무선 중계기 및 그 반향신호 제거방법
US8548375B2 (en) 2010-03-12 2013-10-01 Qualcomm Incorporated Gain control metric computation in a wireless repeater
GB2497772B (en) 2011-12-19 2018-10-10 British Broadcasting Corp Method and apparatus for an on-channel repeater
US9215019B2 (en) 2012-02-13 2015-12-15 Alcatel Lucent Method and apparatus for interference cancellation in hybrid satellite-terrestrial network

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2065421B (en) * 1979-06-08 1983-08-17 Plessey Co Ltd Duplex transceivers
US4383331A (en) * 1981-07-02 1983-05-10 Motorola, Inc. Method and means of preventing oscillations in a same-frequency repeater
CA1235751A (en) * 1985-01-09 1988-04-26 Junji Namiki One frequency repeater for a digital microwave radio system with cancellation of transmitter-to-receiver interference
US4776032A (en) * 1985-05-15 1988-10-04 Nippon Telegraph And Telephone Corporation Repeater for a same frequency with spillover measurement
DE3681388D1 (de) * 1985-09-18 1991-10-17 Nec Corp Funkrelais mit nur einer frequenz fuer ein digitales funksystem.
US5206886A (en) * 1990-04-16 1993-04-27 Telebit Corporation Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in mulicarrier modems
US5168459A (en) * 1991-01-03 1992-12-01 Hewlett-Packard Company Adaptive filter using continuous cross-correlation
CA2060250A1 (en) * 1991-02-04 1992-08-05 John M. Cioffi Method and apparatus for echo cancellation of a multicarrier signal
DK169958B1 (da) * 1992-10-20 1995-04-10 Gn Danavox As Høreapparat med kompensation for akustisk tilbagekobling
EP0613266B1 (de) * 1993-02-08 2001-06-13 Koninklijke Philips Electronics N.V. OFDM-Empfänger mit Ausgleichung von differenziellen Verzögerungen
GB9522204D0 (en) * 1995-10-30 1996-01-03 British Broadcasting Corp Method and apparatus for reduction of unwanted feedback

Also Published As

Publication number Publication date
GB2306082A (en) 1997-04-23
EP0772310B1 (de) 2006-09-27
GB2306082B (en) 2000-04-19
EP0772310A3 (de) 1998-12-02
GB9522198D0 (en) 1996-01-03
DE69636573T2 (de) 2007-06-06
EP0772310A2 (de) 1997-05-07
GB9622560D0 (en) 1997-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN