DK95590D0 - Fremgangsmaade til at demodulere dataer - Google Patents
Fremgangsmaade til at demodulere dataerInfo
- Publication number
- DK95590D0 DK95590D0 DK095590A DK95590A DK95590D0 DK 95590 D0 DK95590 D0 DK 95590D0 DK 095590 A DK095590 A DK 095590A DK 95590 A DK95590 A DK 95590A DK 95590 D0 DK95590 D0 DK 95590D0
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- demodulating data
- demodulating
- data
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Communication Control (AREA)
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO874342A NO163800C (no) | 1987-10-19 | 1987-10-19 | Fremgangsmaate for demodulering av data. |
NO874342 | 1987-10-19 | ||
PCT/NO1988/000075 WO1989004095A1 (en) | 1987-10-19 | 1988-10-12 | Demodulation method |
NO8800075 | 1988-10-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK95590A DK95590A (da) | 1990-04-18 |
DK95590D0 true DK95590D0 (da) | 1990-04-18 |
DK167085B1 DK167085B1 (da) | 1993-08-23 |
Family
ID=19890318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK095590A DK167085B1 (da) | 1987-10-19 | 1990-04-18 | Fremgangsmaade til at demodulere data |
Country Status (11)
Country | Link |
---|---|
US (1) | US4995052A (da) |
EP (1) | EP0386029B1 (da) |
CA (1) | CA1299658C (da) |
DE (1) | DE3888845T2 (da) |
DK (1) | DK167085B1 (da) |
ES (1) | ES2009068A6 (da) |
IL (1) | IL87868A (da) |
NO (1) | NO163800C (da) |
PT (1) | PT88784B (da) |
TR (1) | TR25668A (da) |
WO (1) | WO1989004095A1 (da) |
Families Citing this family (19)
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 |
GB9019487D0 (en) * | 1990-09-06 | 1990-10-24 | Ncr Co | Carrier detection for a wireless local area network |
GB9019491D0 (en) * | 1990-09-06 | 1990-10-24 | Ncr Co | Clock recovery for a wireless local area network station |
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 |
US6493405B1 (en) | 1999-03-02 | 2002-12-10 | Harris Corporation | Correlator having enhanced memory for reference and input data |
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 |
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 |
US11929855B2 (en) * | 2019-11-08 | 2024-03-12 | Widex A/S | Digital receiver with phase offset compensation |
Family Cites Families (8)
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 |
-
1987
- 1987-10-19 NO NO874342A patent/NO163800C/no unknown
-
1988
- 1988-09-29 IL IL87868A patent/IL87868A/xx not_active IP Right Cessation
- 1988-10-12 DE DE3888845T patent/DE3888845T2/de not_active Expired - Fee Related
- 1988-10-12 US US07/473,962 patent/US4995052A/en not_active Expired - Lifetime
- 1988-10-12 WO PCT/NO1988/000075 patent/WO1989004095A1/en active IP Right Grant
- 1988-10-12 TR TR88/0725A patent/TR25668A/xx unknown
- 1988-10-12 EP EP88908763A patent/EP0386029B1/en not_active Expired - Lifetime
- 1988-10-17 CA CA000580354A patent/CA1299658C/en not_active Expired - Lifetime
- 1988-10-18 PT PT88784A patent/PT88784B/pt not_active IP Right Cessation
- 1988-10-19 ES ES8803165A patent/ES2009068A6/es not_active Expired
-
1990
- 1990-04-18 DK DK095590A patent/DK167085B1/da active
Also Published As
Publication number | Publication date |
---|---|
CA1299658C (en) | 1992-04-28 |
DK167085B1 (da) | 1993-08-23 |
DK95590A (da) | 1990-04-18 |
NO163800B (no) | 1990-04-09 |
EP0386029B1 (en) | 1994-03-30 |
NO874342L (no) | 1989-04-20 |
DE3888845D1 (de) | 1994-05-05 |
EP0386029A1 (en) | 1990-09-12 |
DE3888845T2 (de) | 1994-08-11 |
NO163800C (no) | 1990-07-18 |
NO874342D0 (no) | 1987-10-19 |
PT88784A (pt) | 1989-07-31 |
US4995052A (en) | 1991-02-19 |
PT88784B (pt) | 1994-03-31 |
TR25668A (tr) | 1993-06-14 |
IL87868A (en) | 1992-05-25 |
WO1989004095A1 (en) | 1989-05-05 |
ES2009068A6 (es) | 1989-08-16 |
IL87868A0 (en) | 1989-03-31 |
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