DE69533566D1 - Frequenzmultiplexierung mittels Mehrphasenfilter und schnellen Fouriertransformationen - Google Patents

Frequenzmultiplexierung mittels Mehrphasenfilter und schnellen Fouriertransformationen

Info

Publication number
DE69533566D1
DE69533566D1 DE69533566T DE69533566T DE69533566D1 DE 69533566 D1 DE69533566 D1 DE 69533566D1 DE 69533566 T DE69533566 T DE 69533566T DE 69533566 T DE69533566 T DE 69533566T DE 69533566 D1 DE69533566 D1 DE 69533566D1
Authority
DE
Germany
Prior art keywords
frequency division
division multiplexing
fast fourier
phase filters
fourier transformations
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 - Fee Related
Application number
DE69533566T
Other languages
English (en)
Other versions
DE69533566T2 (de
Inventor
Alexander Walker Wishart
Paul Simon Cornfield
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.)
MMS Space Systems Ltd
Original Assignee
MMS Space Systems Ltd
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 MMS Space Systems Ltd filed Critical MMS Space Systems Ltd
Publication of DE69533566D1 publication Critical patent/DE69533566D1/de
Application granted granted Critical
Publication of DE69533566T2 publication Critical patent/DE69533566T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques
DE69533566T 1994-07-20 1995-07-17 Frequenzmultiplexierung mittels Mehrphasenfilter und schnellen Fouriertransformationen Expired - Fee Related DE69533566T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9414664A GB9414664D0 (en) 1994-07-20 1994-07-20 Digital signal processing apparatus
GB9414664 1994-07-20

Publications (2)

Publication Number Publication Date
DE69533566D1 true DE69533566D1 (de) 2004-11-04
DE69533566T2 DE69533566T2 (de) 2005-10-13

Family

ID=10758632

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533566T Expired - Fee Related DE69533566T2 (de) 1994-07-20 1995-07-17 Frequenzmultiplexierung mittels Mehrphasenfilter und schnellen Fouriertransformationen

Country Status (4)

Country Link
US (1) US5699363A (de)
EP (1) EP0695054B1 (de)
DE (1) DE69533566T2 (de)
GB (1) GB9414664D0 (de)

Families Citing this family (18)

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Publication number Priority date Publication date Assignee Title
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
EP0809898A2 (de) * 1995-02-06 1997-12-03 Adc Telecommunications, Inc. Mehrpunkt-zu-punkt kommunikationssystem
DE19627788A1 (de) * 1996-07-10 1998-01-15 Bosch Gmbh Robert Umschaltbare Frequenzweiche
GB2317537B (en) * 1996-09-19 2000-05-17 Matra Marconi Space Digital signal processing apparatus for frequency demultiplexing or multiplexing
SE519682C2 (sv) * 1998-05-26 2003-04-01 Nera Asa Digital demodulator i ett flerkanalssystem
US6134268A (en) * 1998-10-19 2000-10-17 Motorola, Inc. Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter
CA2299821C (en) * 1999-03-04 2004-08-10 Nippon Telegraph And Telephone Corporation Variable transmission rate digital modem with multi-rate filter bank
US6480535B1 (en) * 1999-07-26 2002-11-12 Sony Corporation Generating multi-channel outputs simultaneously in a receiver using polyphase filter
US6452982B1 (en) * 1999-09-10 2002-09-17 Raytheon Company Method and system for-down-converting a signal
GB2366494A (en) * 2000-09-05 2002-03-06 Mitel Corp Dividing bandwidth into sub-bands prior to implementing an FFT in a high data rate communications network
US6704372B2 (en) * 2001-09-18 2004-03-09 Broadlogic Network Technologies Inc. Digital implementation of multi-channel demodulators
KR20050099900A (ko) * 2004-04-12 2005-10-17 삼성탈레스 주식회사 다중반송파 시스템에서 채널 분리장치
US8089855B2 (en) * 2004-06-04 2012-01-03 Qualcomm Incorporated Transmission of overhead information for broadcast and multicast services in a wireless communication system
FR2910743B1 (fr) * 2006-12-22 2009-02-20 Thales Sa Banque de filtres numeriques cascadable, et circuit de reception comportant une telle banque de filtre en cascade.
KR20090058948A (ko) * 2007-12-05 2009-06-10 한국전자통신연구원 혼성신호 다중화를 이용한 광 다이플렉서 모듈 및 그 방법
US9684071B2 (en) 2011-03-10 2017-06-20 Astrium Limited SAR data processing

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199660A (en) * 1977-11-07 1980-04-22 Communications Satellite Corporation FDM/TDM Transmultiplexer
US4393456A (en) * 1981-03-19 1983-07-12 Bell Telephone Laboratories, Incorporated Digital filter bank
GB8307702D0 (en) * 1983-03-21 1983-04-27 British Telecomm Digital band-split filter means
FR2577084B1 (fr) * 1985-02-01 1987-03-20 Trt Telecom Radio Electr Systeme de bancs de filtres d'analyse et de synthese d'un signal
US4785447A (en) * 1987-02-17 1988-11-15 Nec Corporation FDM demultiplexer using oversampled digital filters
US4829378A (en) * 1988-06-09 1989-05-09 Bell Communications Research, Inc. Sub-band coding of images with low computational complexity
US4943855A (en) * 1988-07-22 1990-07-24 At&T Bell Laboratories Progressive sub-band image coding system
EP0400222A1 (de) * 1989-06-02 1990-12-05 ETAT FRANCAIS représenté par le Ministère des Postes, des Télécommunications et de l'Espace Digitales Übertragungssystem unter Verwendung der Teilbandkodierung eines digitalen Signals
US5109419A (en) * 1990-05-18 1992-04-28 Lexicon, Inc. Electroacoustic system
KR930006739B1 (ko) * 1990-08-30 1993-07-23 주식회사 금성사 서브밴드 코딩방법 및 엔코딩/디코딩장치
GB2258963B (en) * 1991-08-23 1995-06-14 Sony Broadcast & Communication Sub band filters
FR2685593B1 (fr) * 1991-12-20 1994-02-11 France Telecom Dispositif de demultiplexage en frequence a filtres numeriques.
US5436940A (en) * 1992-06-11 1995-07-25 Massachusetts Institute Of Technology Quadrature mirror filter banks and method
US5396489A (en) * 1992-10-26 1995-03-07 Motorola Inc. Method and means for transmultiplexing signals between signal terminals and radio frequency channels
US5420891A (en) * 1993-03-18 1995-05-30 New Jersey Institute Of Technology Multiplierless 2-band perfect reconstruction quadrature mirror filter (PR-QMF) banks

Also Published As

Publication number Publication date
US5699363A (en) 1997-12-16
GB9414664D0 (en) 1994-09-07
EP0695054A2 (de) 1996-01-31
EP0695054A3 (de) 1999-12-08
DE69533566T2 (de) 2005-10-13
EP0695054B1 (de) 2004-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee