DE69216442T2 - Einrichtung und Verfahren für die Verarbeitung von Digitalsignalen - Google Patents

Einrichtung und Verfahren für die Verarbeitung von Digitalsignalen

Info

Publication number
DE69216442T2
DE69216442T2 DE69216442T DE69216442T DE69216442T2 DE 69216442 T2 DE69216442 T2 DE 69216442T2 DE 69216442 T DE69216442 T DE 69216442T DE 69216442 T DE69216442 T DE 69216442T DE 69216442 T2 DE69216442 T2 DE 69216442T2
Authority
DE
Germany
Prior art keywords
sub
multiplexer
channel
channels
bands
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
DE69216442T
Other languages
English (en)
Other versions
DE69216442D1 (de
Inventor
Alexander Walker Wishart
Francis Julian Lake
Paul Christopher Marston
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.)
Matra Marconi Space UK Ltd
Original Assignee
Matra Marconi Space UK 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 Matra Marconi Space UK Ltd filed Critical Matra Marconi Space UK Ltd
Application granted granted Critical
Publication of DE69216442D1 publication Critical patent/DE69216442D1/de
Publication of DE69216442T2 publication Critical patent/DE69216442T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18515—Transmission equipment in satellites or space-based relays
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • 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
DE69216442T 1991-02-28 1992-02-21 Einrichtung und Verfahren für die Verarbeitung von Digitalsignalen Expired - Fee Related DE69216442T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919104186A GB9104186D0 (en) 1991-02-28 1991-02-28 Apparatus for and method of digital signal processing

Publications (2)

Publication Number Publication Date
DE69216442D1 DE69216442D1 (de) 1997-02-20
DE69216442T2 true DE69216442T2 (de) 1997-04-24

Family

ID=10690716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216442T Expired - Fee Related DE69216442T2 (de) 1991-02-28 1992-02-21 Einrichtung und Verfahren für die Verarbeitung von Digitalsignalen

Country Status (7)

Country Link
US (1) US5293329A (de)
EP (1) EP0501690B1 (de)
JP (1) JP3090522B2 (de)
AT (1) ATE147558T1 (de)
CA (1) CA2061685C (de)
DE (1) DE69216442T2 (de)
GB (1) GB9104186D0 (de)

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GB2267783B (en) * 1992-06-09 1996-08-28 British Aerospace Beam forming
US5606575A (en) * 1993-10-29 1997-02-25 Airnet Communications Corporation FFT-based channelizer and combiner employing residue-adder-implemented phase advance
US5535240A (en) * 1993-10-29 1996-07-09 Airnet Communications Corporation Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network
AU736120B2 (en) * 1993-10-29 2001-07-26 Treble Investments Limited Liability Company Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network
US5537435A (en) * 1994-04-08 1996-07-16 Carney; Ronald Transceiver apparatus employing wideband FFT channelizer with output sample timing adjustment and inverse FFT combiner for multichannel communication network
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US5585850A (en) * 1994-10-31 1996-12-17 Schwaller; John Adaptive distribution system for transmitting wideband video data over narrowband multichannel wireless communication system
US5748683A (en) * 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
US5668836A (en) * 1994-12-29 1997-09-16 Motorola, Inc. Split frequency band signal digitizer and method
US5602874A (en) * 1994-12-29 1997-02-11 Motorola, Inc. Method and apparatus for reducing quantization noise
US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
WO1996021292A1 (en) * 1994-12-29 1996-07-11 Motorola Inc. Wideband frequency signal digitizer and method
US5854813A (en) * 1994-12-29 1998-12-29 Motorola, Inc. Multiple access up converter/modulator and method
US5754597A (en) * 1994-12-29 1998-05-19 Motorola, Inc. Method and apparatus for routing a digitized RF signal to a plurality of paths
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
US5710763A (en) * 1995-07-31 1998-01-20 Motorola, Inc. Filtered fast Fourier transmultiplexer and method
US5754942A (en) * 1996-09-09 1998-05-19 Hughes Electronics Corporation Satellite power level monitoring system and method using digital signal processing
US5867479A (en) 1997-06-27 1999-02-02 Lockheed Martin Corporation Digital multi-channel demultiplexer/multiplex (MCD/M architecture)
US6047162A (en) * 1997-09-25 2000-04-04 Com Dev Limited Regional programming in a direct broadcast satellite
US6091703A (en) * 1997-10-10 2000-07-18 Trw Inc. Bulk despreading of multiple independent CDMA sources
SE9802059D0 (sv) * 1998-06-10 1998-06-10 Ericsson Telefon Ab L M Digital channeliser and De-shanneliser
US6247035B1 (en) * 1998-09-30 2001-06-12 Telefonaktiebolaget Lm Ericsson (Publ) Reduced complexity and increased flexibility modified fast convolution algorithm
AU755991B2 (en) * 1998-09-30 2003-01-02 Telefonaktiebolaget Lm Ericsson (Publ) Reduced complexity and increased flexibility modified fast convolution algorithm
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US10973397B2 (en) 1999-03-01 2021-04-13 West View Research, Llc Computerized information collection and processing apparatus
US8068897B1 (en) 1999-03-01 2011-11-29 Gazdzinski Robert F Endoscopic smart probe and method
US7914442B1 (en) 1999-03-01 2011-03-29 Gazdzinski Robert F Endoscopic smart probe and method
US8636648B2 (en) * 1999-03-01 2014-01-28 West View Research, Llc Endoscopic smart probe
US6611855B1 (en) 1999-06-21 2003-08-26 Telefonaktiebolaget Lm Ericsson (Publ) Flexible and efficient channelizer architecture
US6990060B2 (en) * 2000-02-11 2006-01-24 Bae Systems Polyphase-discrete fourier transform (DFT) sub-band definition filtering architecture
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
FR2817100B1 (fr) * 2000-11-17 2003-08-22 Cit Alcatel Procede pour optimiser les performances d'un emetteur pour systeme de radiocommunications mobiles
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
EP1423847B1 (de) 2001-11-29 2005-02-02 Coding Technologies AB Wiederherstellung von hochfrequenzkomponenten
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
ES2396609T3 (es) * 2003-01-28 2013-02-22 The Boeing Company Sistemas y métodos de procesamiento digital de datos de comunicaciones por satélite

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3118473A1 (de) * 1981-05-09 1982-11-25 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur aufbereitung elektrischer signale mit einer digitalen filteranordnung
US4691292A (en) * 1983-04-13 1987-09-01 Rca Corporation System for digital multiband filtering
DE3584901D1 (de) * 1984-03-16 1992-01-30 Siemens Ag Digitale filteranordnung zur aufteilung von signalen in teilbaender.
DE3610195A1 (de) * 1986-03-26 1987-10-01 Ant Nachrichtentech Digitale filterbank
DE8706928U1 (de) * 1987-05-14 1987-08-06 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
US4829378A (en) * 1988-06-09 1989-05-09 Bell Communications Research, Inc. Sub-band coding of images with low computational complexity
US4918524A (en) * 1989-03-14 1990-04-17 Bell Communications Research, Inc. HDTV Sub-band coding using IIR filter bank
GB2241853A (en) * 1990-03-08 1991-09-11 British Aerospace Digital signal processing apparatus comprising architectures for digital multiplexing and demultiplexing.

Also Published As

Publication number Publication date
JP3090522B2 (ja) 2000-09-25
CA2061685C (en) 2001-07-03
EP0501690A3 (en) 1993-07-21
EP0501690A2 (de) 1992-09-02
EP0501690B1 (de) 1997-01-08
DE69216442D1 (de) 1997-02-20
ATE147558T1 (de) 1997-01-15
CA2061685A1 (en) 1992-08-29
JPH05199196A (ja) 1993-08-06
US5293329A (en) 1994-03-08
GB9104186D0 (en) 1991-04-17

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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