NO163800C - Fremgangsmaate for demodulering av data. - Google Patents

Fremgangsmaate for demodulering av data.

Info

Publication number
NO163800C
NO163800C NO874342A NO874342A NO163800C NO 163800 C NO163800 C NO 163800C NO 874342 A NO874342 A NO 874342A NO 874342 A NO874342 A NO 874342A NO 163800 C NO163800 C NO 163800C
Authority
NO
Norway
Prior art keywords
procedure
demodulating data
demodulating
data
Prior art date
Application number
NO874342A
Other languages
English (en)
Other versions
NO163800B (no
NO874342D0 (no
NO874342L (no
Inventor
Terje Thorvaldsen
Original Assignee
Forsvarets Forsknings
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 Forsvarets Forsknings filed Critical Forsvarets Forsknings
Priority to NO874342A priority Critical patent/NO163800C/no
Publication of NO874342D0 publication Critical patent/NO874342D0/no
Priority to IL87868A priority patent/IL87868A/xx
Priority to US07/473,962 priority patent/US4995052A/en
Priority to PCT/NO1988/000075 priority patent/WO1989004095A1/en
Priority to DE3888845T priority patent/DE3888845T2/de
Priority to AU25332/88A priority patent/AU608385B2/en
Priority to EP88908763A priority patent/EP0386029B1/en
Priority to TR88/0725A priority patent/TR25668A/xx
Priority to AT88908763T priority patent/ATE103749T1/de
Priority to CA000580354A priority patent/CA1299658C/en
Priority to PT88784A priority patent/PT88784B/pt
Priority to ES8803165A priority patent/ES2009068A6/es
Publication of NO874342L publication Critical patent/NO874342L/no
Publication of NO163800B publication Critical patent/NO163800B/no
Priority to DK095590A priority patent/DK167085B1/da
Publication of NO163800C publication Critical patent/NO163800C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
NO874342A 1987-10-19 1987-10-19 Fremgangsmaate for demodulering av data. NO163800C (no)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NO874342A NO163800C (no) 1987-10-19 1987-10-19 Fremgangsmaate for demodulering av data.
IL87868A IL87868A (en) 1987-10-19 1988-09-29 Data demodulation method
PCT/NO1988/000075 WO1989004095A1 (en) 1987-10-19 1988-10-12 Demodulation method
EP88908763A EP0386029B1 (en) 1987-10-19 1988-10-12 Demodulation method
AT88908763T ATE103749T1 (de) 1987-10-19 1988-10-12 Verfahren zur entmodulierung.
DE3888845T DE3888845T2 (de) 1987-10-19 1988-10-12 Verfahren zur entmodulierung.
AU25332/88A AU608385B2 (en) 1987-10-19 1988-10-12 Demodulation method
US07/473,962 US4995052A (en) 1987-10-19 1988-10-12 Demodulation method
TR88/0725A TR25668A (tr) 1987-10-19 1988-10-12 ORTOGONAL OLARAK KODLANMIS DIREKT SEKANS YAYILMA SPEKTRUMU SINYALLERININ DüZENSIZ DETEKSIYONU ICIN USUL.
CA000580354A CA1299658C (en) 1987-10-19 1988-10-17 Demodulation method
PT88784A PT88784B (pt) 1987-10-19 1988-10-18 Metodo de desmodulacao
ES8803165A ES2009068A6 (es) 1987-10-19 1988-10-19 Metodo para la demodulacion incoherente de una portadora de senales de dsss codificadas ortogonales.
DK095590A DK167085B1 (da) 1987-10-19 1990-04-18 Fremgangsmaade til at demodulere data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO874342A NO163800C (no) 1987-10-19 1987-10-19 Fremgangsmaate for demodulering av data.

Publications (4)

Publication Number Publication Date
NO874342D0 NO874342D0 (no) 1987-10-19
NO874342L NO874342L (no) 1989-04-20
NO163800B NO163800B (no) 1990-04-09
NO163800C true NO163800C (no) 1990-07-18

Family

ID=19890318

Family Applications (1)

Application Number Title Priority Date Filing Date
NO874342A NO163800C (no) 1987-10-19 1987-10-19 Fremgangsmaate for demodulering av data.

Country Status (11)

Country Link
US (1) US4995052A (no)
EP (1) EP0386029B1 (no)
CA (1) CA1299658C (no)
DE (1) DE3888845T2 (no)
DK (1) DK167085B1 (no)
ES (1) ES2009068A6 (no)
IL (1) IL87868A (no)
NO (1) NO163800C (no)
PT (1) PT88784B (no)
TR (1) TR25668A (no)
WO (1) WO1989004095A1 (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5093846A (en) * 1990-06-15 1992-03-03 Sundstrand Data Control, Inc. Signal acquisition using modulation by a preselected code group
GB9019491D0 (en) * 1990-09-06 1990-10-24 Ncr Co Clock recovery for a wireless local area network station
GB9019487D0 (en) * 1990-09-06 1990-10-24 Ncr Co Carrier detection for a wireless local area network
US5117441A (en) * 1991-02-25 1992-05-26 Motorola, Inc. Method and apparatus for real-time demodulation of a GMSK signal by a non-coherent receiver
ES2060536B1 (es) * 1992-11-30 1995-06-01 Alcatel Standard Electrica Sintetizador de frecuencias.
US5434893A (en) * 1992-12-22 1995-07-18 Commissariat Energie Atomique Component for a differential transmitter-receiver of signals with direct sequence spread spectrum and the corresponding transmitter-receiver
FR2709029B1 (fr) * 1993-08-13 1995-10-20 Matra Communication Procédé de transmission pour des radio communications AMRC et dispositifs pour sa mise en Óoeuvre.
US5418489A (en) * 1993-10-08 1995-05-23 Motorola, Inc. Method of recovering a frequency modulated signal
US5592506A (en) * 1994-10-17 1997-01-07 Cylink Corporation MSK spread-spectrum receiver which allows CDMA operations
US5687190A (en) * 1995-10-20 1997-11-11 Otc Telecom Non-coherent direct sequence spread spectrum receiver for detecting bit/symbol chip sequences using threshold comparisons of chip sequence correlations
US6438182B1 (en) 1999-03-02 2002-08-20 Harris Corporation Correlator with serial-parallel partition
US6038271A (en) * 1999-03-02 2000-03-14 Harris Corporation Correlator with cascade data paths to facilitate expansion of correlator length
US6493405B1 (en) 1999-03-02 2002-12-10 Harris Corporation Correlator having enhanced memory for reference and input data
US20020170591A1 (en) * 2001-05-15 2002-11-21 Pharmaseq, Inc. Method and apparatus for powering circuitry with on-chip solar cells within a common substrate
US7277647B2 (en) * 2002-03-14 2007-10-02 Lucent Technologies Inc. System and method of optical transmission
US7561634B2 (en) * 2004-06-15 2009-07-14 Harris Corporation Continuous phase modulation system and method with added orthogonal signals
US7539257B2 (en) * 2004-11-05 2009-05-26 Harris Corporation Continuous phase modulation system and method with added phase pulse
GB2521446A (en) 2013-12-20 2015-06-24 Nordic Semiconductor Asa Digital processing
EP4055788A1 (en) * 2019-11-08 2022-09-14 Widex A/S Digital receiver with phase offset compensation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291410A (en) * 1979-10-24 1981-09-22 Rockwell International Corporation Multipath diversity spread spectrum receiver
US4527275A (en) * 1982-02-12 1985-07-02 Arinc Research Corporation Correlation data communications system
US4707839A (en) * 1983-09-26 1987-11-17 Harris Corporation Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform
DE3406083A1 (de) * 1984-02-20 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Drahtlos arbeitendes signaluebertragungssystem
US4583048A (en) * 1985-02-26 1986-04-15 Rca Corporation MSK digital demodulator for burst communications
US4694467A (en) * 1986-07-03 1987-09-15 Signatron, Inc. Modem for use in multipath communication systems
FR2612716B1 (fr) * 1987-03-19 1989-05-19 Snecma Procede et dispositif pour le codage et le decodage d'une emission a large bande dite a etalement de spectre
FR2629931B1 (fr) * 1988-04-08 1991-01-25 Lmt Radio Professionelle Correlateur numerique asynchrone et demodulateurs comportant un tel correlateur

Also Published As

Publication number Publication date
NO163800B (no) 1990-04-09
DE3888845D1 (de) 1994-05-05
PT88784B (pt) 1994-03-31
TR25668A (tr) 1993-06-14
DE3888845T2 (de) 1994-08-11
DK167085B1 (da) 1993-08-23
IL87868A (en) 1992-05-25
EP0386029B1 (en) 1994-03-30
CA1299658C (en) 1992-04-28
ES2009068A6 (es) 1989-08-16
WO1989004095A1 (en) 1989-05-05
IL87868A0 (en) 1989-03-31
NO874342D0 (no) 1987-10-19
EP0386029A1 (en) 1990-09-12
PT88784A (pt) 1989-07-31
NO874342L (no) 1989-04-20
US4995052A (en) 1991-02-19
DK95590D0 (da) 1990-04-18
DK95590A (da) 1990-04-18

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