DE69018149D1 - Verfahren zum Synchronisieren durch Korrelation. - Google Patents
Verfahren zum Synchronisieren durch Korrelation.Info
- Publication number
- DE69018149D1 DE69018149D1 DE69018149T DE69018149T DE69018149D1 DE 69018149 D1 DE69018149 D1 DE 69018149D1 DE 69018149 T DE69018149 T DE 69018149T DE 69018149 T DE69018149 T DE 69018149T DE 69018149 D1 DE69018149 D1 DE 69018149D1
- Authority
- DE
- Germany
- Prior art keywords
- correlation method
- correlation
- 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
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
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/042—Detectors therefor, e.g. correlators, state machines
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8910188A FR2650456A1 (fr) | 1989-07-28 | 1989-07-28 | Procede de synchronisation par correlation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69018149D1 true DE69018149D1 (de) | 1995-05-04 |
Family
ID=9384236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69018149T Expired - Lifetime DE69018149D1 (de) | 1989-07-28 | 1990-07-23 | Verfahren zum Synchronisieren durch Korrelation. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5090028A (de) |
EP (1) | EP0410532B1 (de) |
JP (1) | JPH0370231A (de) |
CA (1) | CA2021974A1 (de) |
DE (1) | DE69018149D1 (de) |
FI (1) | FI903726A0 (de) |
FR (1) | FR2650456A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE469678B (sv) * | 1992-01-13 | 1993-08-16 | Ericsson Telefon Ab L M | Saett foer synkronisering och kanalestimering i tdma- radiosystem |
SG85064A1 (en) * | 1992-05-29 | 2001-12-19 | Motorola Inc | Data communication receiver having burst error protected data synchronization |
FR2726711B1 (fr) * | 1994-11-07 | 1996-12-20 | Alcatel Telspace | Procede de detection de symboles de reference pour recepteur de donnees numeriques |
FR2732176B1 (fr) * | 1995-03-22 | 1997-05-09 | Sagem | Procede de transmission de donnees numeriques et recepteur pour la mise en oeuvre du procede |
US6226336B1 (en) * | 1998-02-20 | 2001-05-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for detecting a frequency synchronization signal |
US6421371B1 (en) * | 1998-11-17 | 2002-07-16 | Ericsson Inc. | Modulation sequence synchronization methods and apparatus employing partial sequence correlation |
GB2347831B (en) * | 1999-03-06 | 2004-07-07 | Nec Technologies | Sychronisation in digital data transmission systems |
US6606346B2 (en) * | 2001-05-18 | 2003-08-12 | Global Locate, Inc. | Method and apparatus for computing signal correlation |
US6704348B2 (en) | 2001-05-18 | 2004-03-09 | Global Locate, Inc. | Method and apparatus for computing signal correlation at multiple resolutions |
US9020756B2 (en) * | 1999-04-23 | 2015-04-28 | Global Locate, Inc. | Method and apparatus for processing satellite positioning system signals |
DE19953350A1 (de) * | 1999-11-05 | 2001-05-23 | Infineon Technologies Ag | Vorrichtung zur Feinsynchronisation von Codesignalen |
US6891880B2 (en) * | 2001-05-18 | 2005-05-10 | Global Locate, Inc. | Method and apparatus for performing signal correlation |
US7567636B2 (en) | 2001-05-18 | 2009-07-28 | Global Locate, Inc. | Method and apparatus for performing signal correlation using historical correlation data |
US6819707B2 (en) | 2001-05-18 | 2004-11-16 | Global Locate, Inc. | Method and apparatus for performing signal correlation using historical correlation data |
US7006556B2 (en) * | 2001-05-18 | 2006-02-28 | Global Locate, Inc. | Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference |
US8098716B2 (en) * | 2001-05-18 | 2012-01-17 | Broadcom Corporation | Method and apparatus for providing an energy-based signal tracking loop |
US7769076B2 (en) * | 2001-05-18 | 2010-08-03 | Broadcom Corporation | Method and apparatus for performing frequency synchronization |
US7190712B2 (en) * | 2001-05-18 | 2007-03-13 | Global Locate, Inc | Method and apparatus for performing signal correlation |
US7995682B2 (en) * | 2001-05-18 | 2011-08-09 | Broadcom Corporation | Method and apparatus for performing signal processing using historical correlation data |
US7064466B2 (en) * | 2001-11-27 | 2006-06-20 | Denso Corporation | Brushless rotary electric machine having tandem rotary cores |
SG108874A1 (en) * | 2002-09-17 | 2005-02-28 | Sony Corp | Channel equalisation |
DE102004059957A1 (de) * | 2004-12-13 | 2006-06-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Synchronisationsvorrichtung und Vorrichtung zum Erzeugen eines Synchronisationssignals |
DE102004059958B4 (de) * | 2004-12-13 | 2007-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Bestimmen eines Korrelationswertes |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203071A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number-code-detection and tracking system |
US4238739A (en) * | 1979-02-26 | 1980-12-09 | E-Systems, Inc. | Preset network for a phase lock loop |
FR2525055A1 (fr) * | 1982-04-09 | 1983-10-14 | Trt Telecom Radio Electr | Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede |
US4485477A (en) * | 1982-07-19 | 1984-11-27 | Rca Corporation | Fast frequency/code search |
US4621365A (en) * | 1984-11-16 | 1986-11-04 | Hughes Aircraft Company | Synchronization preamble correlation detector and frequency estimator |
US4649543A (en) * | 1985-08-30 | 1987-03-10 | Motorola, Inc. | Synchronization sequence decoder for a digital radiotelephone system |
GB2206267B (en) * | 1987-06-24 | 1991-09-25 | Plessey Co Plc | Novel correlator for synchronisation detection |
US4847869A (en) * | 1987-12-04 | 1989-07-11 | Motorla, Inc. | Rapid reference acquisition and phase error compensation for radio transmission of data |
US4829543A (en) * | 1987-12-04 | 1989-05-09 | Motorola, Inc. | Phase-coherent TDMA quadrature receiver for multipath fading channels |
-
1989
- 1989-07-28 FR FR8910188A patent/FR2650456A1/fr active Granted
-
1990
- 1990-07-23 EP EP90202008A patent/EP0410532B1/de not_active Expired - Lifetime
- 1990-07-23 DE DE69018149T patent/DE69018149D1/de not_active Expired - Lifetime
- 1990-07-25 JP JP2197566A patent/JPH0370231A/ja active Pending
- 1990-07-25 FI FI903726A patent/FI903726A0/fi not_active IP Right Cessation
- 1990-07-25 CA CA002021974A patent/CA2021974A1/en not_active Abandoned
- 1990-07-27 US US07/558,715 patent/US5090028A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0370231A (ja) | 1991-03-26 |
US5090028A (en) | 1992-02-18 |
FI903726A0 (fi) | 1990-07-25 |
FR2650456A1 (fr) | 1991-02-01 |
EP0410532B1 (de) | 1995-03-29 |
EP0410532A1 (de) | 1991-01-30 |
CA2021974A1 (en) | 1991-01-29 |
FR2650456B1 (de) | 1994-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |