DE69617220D1 - Empfänger mit fft für mfsk - Google Patents

Empfänger mit fft für mfsk

Info

Publication number
DE69617220D1
DE69617220D1 DE69617220T DE69617220T DE69617220D1 DE 69617220 D1 DE69617220 D1 DE 69617220D1 DE 69617220 T DE69617220 T DE 69617220T DE 69617220 T DE69617220 T DE 69617220T DE 69617220 D1 DE69617220 D1 DE 69617220D1
Authority
DE
Germany
Prior art keywords
mfsk
fft
receiver
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
DE69617220T
Other languages
English (en)
Other versions
DE69617220T2 (de
Inventor
Panagiotis Fines
Siu Wah Wong
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.)
Inmarsat Global Ltd
Original Assignee
Inmarsat 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 Inmarsat Ltd filed Critical Inmarsat Ltd
Application granted granted Critical
Publication of DE69617220D1 publication Critical patent/DE69617220D1/de
Publication of DE69617220T2 publication Critical patent/DE69617220T2/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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69617220T 1995-04-11 1996-04-11 Empfänger mit fft für mfsk Expired - Lifetime DE69617220T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9507508A GB2300502B (en) 1995-04-11 1995-04-11 An electronic circuit for and a method of decoding a signal
PCT/GB1996/000891 WO1996032797A1 (en) 1995-04-11 1996-04-11 Fft receiver for mfsk

Publications (2)

Publication Number Publication Date
DE69617220D1 true DE69617220D1 (de) 2002-01-03
DE69617220T2 DE69617220T2 (de) 2002-08-22

Family

ID=10772904

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617220T Expired - Lifetime DE69617220T2 (de) 1995-04-11 1996-04-11 Empfänger mit fft für mfsk

Country Status (8)

Country Link
US (1) US5974094A (de)
EP (1) EP0820674B1 (de)
JP (1) JPH11503583A (de)
AU (1) AU5338496A (de)
CA (1) CA2218057A1 (de)
DE (1) DE69617220T2 (de)
GB (1) GB2300502B (de)
WO (1) WO1996032797A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2364487B (en) * 1997-02-27 2002-03-13 Motorola Inc Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6724738B1 (en) 1997-02-27 2004-04-20 Motorola Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6144649A (en) * 1997-02-27 2000-11-07 Motorola, Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6553211B1 (en) * 1998-08-20 2003-04-22 Lucent Technologies Inc. Method and apparatus for adjusting pilot signal relative to input signal
US6895310B1 (en) * 2000-04-24 2005-05-17 Usa Technologies, Inc. Vehicle related wireless scientific instrumentation telematics
US6856820B1 (en) * 2000-04-24 2005-02-15 Usa Technologies, Inc. In-vehicle device for wirelessly connecting a vehicle to the internet and for transacting e-commerce and e-business
US7502672B1 (en) 2000-04-24 2009-03-10 Usa Technologies, Inc. Wireless vehicle diagnostics with service and part determination capabilities
ES2349698T3 (es) * 2000-08-01 2011-01-10 Itron Inc. Sistema de espectro ampliado por saltos de frecuencia con seguimiento o rastreo y sincronización de alta sensibilidad para señales inestables de frecuencia.
US7158723B2 (en) * 2001-10-05 2007-01-02 Tropic Networks Inc. Channel identification in communications networks
CA2358382C (en) 2001-10-05 2008-09-09 Ping Wai Wan Channel identification in communications networks
US7155122B2 (en) * 2001-10-05 2006-12-26 Tropic Networks Inc. Channel identification in communications networks
US7551858B2 (en) * 2001-10-05 2009-06-23 Alcatel-Lucent Canada Inc. Signal identification in optical communications networks
US7869709B2 (en) * 2001-10-05 2011-01-11 Alcatel-Lucent Canada Inc. Signal identification in optical communications networks
US8027657B2 (en) * 2001-10-26 2011-09-27 Texas Instruments Incorporated Sampling mixer with asynchronous clock and signal domains
US7092731B2 (en) * 2003-03-06 2006-08-15 Lucent Technologies Inc. Method for improving capacity of a reverse link channel in a wireless network
US7766438B2 (en) * 2004-06-04 2010-08-03 Lexmark International, Inc. Method of ink evaporation prediction for an ink reservoir
US7606328B1 (en) * 2004-06-18 2009-10-20 Rockwell Collins, Inc. Common signal generation for an RF receiver
US8014468B2 (en) * 2004-12-15 2011-09-06 Microsoft Corporation Energy detection receiver for UWB
US8619909B2 (en) * 2006-06-20 2013-12-31 Southwest Research Institute Signal detector using matched filter for training signal detection
US8369799B2 (en) 2007-10-25 2013-02-05 Echostar Technologies L.L.C. Apparatus, systems and methods to communicate received commands from a receiving device to a mobile device
US8081673B2 (en) * 2007-11-30 2011-12-20 Cellnet Innovations, Inc. Systems and methods for processing spread spectrum signals
US8107551B2 (en) * 2007-12-14 2012-01-31 Cellnet Innovations, Inc. Systems and methods for signal modulation and demodulation using phase
US8867571B2 (en) 2008-03-31 2014-10-21 Echostar Technologies L.L.C. Systems, methods and apparatus for transmitting data over a voice channel of a wireless telephone network
US8717971B2 (en) * 2008-03-31 2014-05-06 Echostar Technologies L.L.C. Systems, methods and apparatus for transmitting data over a voice channel of a wireless telephone network using multiple frequency shift-keying modulation
US8200482B2 (en) * 2008-03-31 2012-06-12 Echostar Technologies L.L.C. Systems, methods and apparatus for transmitting data over a voice channel of a telephone network using linear predictive coding based modulation
US8340656B2 (en) * 2009-10-07 2012-12-25 Echostar Technologies L.L.C. Systems and methods for synchronizing data transmission over a voice channel of a telephone network
EP2469783B1 (de) * 2010-12-23 2017-12-13 The Swatch Group Research and Development Ltd. FSK-Funksignalempfänger mit hochempfindlichem Demodulator, sowie Verfahren zum Betrieb des Empfängers
WO2014172294A1 (en) * 2013-04-15 2014-10-23 Aoptix Technologies, Inc. Carrier frequency and phase recovery in quadrature encoded e-band communications

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554997B1 (fr) * 1983-11-10 1986-05-16 Thomson Csf Systeme de transmission d'informations numeriques par modulation d'une onde lumineuse coherente
GB2176321B (en) * 1985-06-03 1988-09-21 Westinghouse Brake & Signal Apparatus for performing a fast fourier transform
GB2180377B (en) * 1985-09-16 1989-02-15 Westinghouse Brake & Signal Method and apparatus for identifying the components of a signal
CH673550A5 (de) * 1987-09-29 1990-03-15 Zellweger Telecomm Ag
US5023889A (en) * 1988-05-31 1991-06-11 California Institute Of Technology Trellis coded multilevel DPSK system with doppler correction for mobile satellite channels
DE4234336C1 (de) * 1992-10-12 1993-10-21 Ant Nachrichtentech Demodulator für FSK-Signale
US5365470A (en) * 1993-02-10 1994-11-15 Trw Inc. Fast fourier transform multiplexed pipeline
US5557637A (en) * 1994-09-24 1996-09-17 Glynn; Thomas W. Convolutional ambiguity multiple access (CAMA) transmission system

Also Published As

Publication number Publication date
GB2300502B (en) 1998-05-27
DE69617220T2 (de) 2002-08-22
EP0820674B1 (de) 2001-11-21
EP0820674A1 (de) 1998-01-28
US5974094A (en) 1999-10-26
CA2218057A1 (en) 1996-10-17
GB2300502A (en) 1996-11-06
JPH11503583A (ja) 1999-03-26
AU5338496A (en) 1996-10-30
WO1996032797A1 (en) 1996-10-17
GB9507508D0 (en) 1995-05-31

Similar Documents

Publication Publication Date Title
DE69617220T2 (de) Empfänger mit fft für mfsk
KR970702795A (ko) 차량용 변속장치
DE69515312D1 (de) Direktmischempfänger
DE69627568D1 (de) OFDM Empfangsvorrichtung
NO960527L (no) Akustisk sendesystem
DE69531585D1 (de) Hibernationssystem für Netzwerk
DE69532899D1 (de) ATM Übermittlungssystem
BR9607134A (pt) Transmissor
DE69633052D1 (de) Empfänger für m-stufige fsk-signale
NO961909L (no) Tankskip
DE69518762T2 (de) Verbindungsvorrichtung für Leitungen
DE59503705D1 (de) Wissensbasierte unschärfe auswahl für erkennungssystem mit mehreren erkennungseinheiten
DE69722801D1 (de) Antriebsstrang für fahrzeuge
DE69605935D1 (de) Zellulares übertragungssystem
FI943776A0 (fi) Vastaanotin
DE69629146D1 (de) Trägerelement für Übertragungsmaterialien
DE69505983D1 (de) Getriebesystem
DE69527408D1 (de) Übertragungssystem für quasiperiodische signale
DE59607036D1 (de) Wisch-Wasch-Vorrichtung für Fahrzeuge
FI98114B (fi) Voimansiirtojärjestelmä
ID17015A (id) Sistim transmisi
ATA127797A (de) Aufnahmeeinrichtung für brennmaterial
DE69612044D1 (de) Fahrzeuggetriebe
KR970018598U (ko) 개선된 변속장치
KR960028621U (ko) 차량변속기의 작동연결장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: INMARSAT GLOBAL LTD., LONDON, GB