MX9205518A - Sistema y metodo para determinar la fase absoluta de una señal modulada en fase, codificada diferencialmente - Google Patents
Sistema y metodo para determinar la fase absoluta de una señal modulada en fase, codificada diferencialmenteInfo
- Publication number
- MX9205518A MX9205518A MX9205518A MX9205518A MX9205518A MX 9205518 A MX9205518 A MX 9205518A MX 9205518 A MX9205518 A MX 9205518A MX 9205518 A MX9205518 A MX 9205518A MX 9205518 A MX9205518 A MX 9205518A
- Authority
- MX
- Mexico
- Prior art keywords
- phase
- determining
- modulated signal
- differentially coded
- absolute
- 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
- 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
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2278—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using correlation techniques, e.g. for spread spectrum 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/767,963 US5195108A (en) | 1991-09-30 | 1991-09-30 | System and method for determining absolute phase of a differentially-encoded, phase-modulated signal |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9205518A true MX9205518A (es) | 1993-03-01 |
Family
ID=25081105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9205518A MX9205518A (es) | 1991-09-30 | 1992-09-28 | Sistema y metodo para determinar la fase absoluta de una señal modulada en fase, codificada diferencialmente |
Country Status (6)
Country | Link |
---|---|
US (1) | US5195108A (es) |
JP (1) | JPH06503460A (es) |
CA (1) | CA2096946C (es) |
GB (1) | GB2267630B (es) |
MX (1) | MX9205518A (es) |
WO (1) | WO1993007701A1 (es) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE468266B (sv) * | 1991-04-12 | 1992-11-30 | Ericsson Telefon Ab L M | Foerfarande att synkronisera en radiomottagare till en inkommande radiosignal |
EP0616453B1 (fr) * | 1993-03-17 | 2000-05-31 | Koninklijke Philips Electronics N.V. | Récepteur de signaux modulés en sauts de phase et différentiellement codés |
US5425058A (en) * | 1993-07-28 | 1995-06-13 | Martin Marietta Corporation | MSK phase acquisition and tracking method |
US5526381A (en) * | 1994-05-12 | 1996-06-11 | At&T Corp. | Robust non-coherent detector for π/4-DQPSK signals |
US5528632A (en) * | 1994-07-28 | 1996-06-18 | Motorola, Inc. | Non-complex dual-correlation phase reversal detector and method |
US5680414A (en) | 1994-09-09 | 1997-10-21 | Omnipoint Corporation | Synchronization apparatus and method for spread spectrum receiver |
US5754585A (en) | 1994-09-09 | 1998-05-19 | Omnipoint Corporation | Method and apparatus for serial noncoherent correlation of a spread spectrum signal |
US5757847A (en) | 1994-09-09 | 1998-05-26 | Omnipoint Corporation | Method and apparatus for decoding a phase encoded signal |
US5881100A (en) | 1994-09-09 | 1999-03-09 | Omnipoint Corporation | Method and apparatus for coherent correlation of a spread spectrum signal |
US5692007A (en) | 1994-09-09 | 1997-11-25 | Omnipoint Corporation | Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation |
US5754584A (en) | 1994-09-09 | 1998-05-19 | Omnipoint Corporation | Non-coherent spread-spectrum continuous-phase modulation communication system |
US5963586A (en) | 1994-09-09 | 1999-10-05 | Omnipoint Corporation | Method and apparatus for parallel noncoherent correlation of a spread spectrum signal |
US5659574A (en) | 1994-09-09 | 1997-08-19 | Omnipoint Corporation | Multi-bit correlation of continuous phase modulated signals |
US5953370A (en) | 1994-09-09 | 1999-09-14 | Omnipoint Corporation | Apparatus for receiving and correlating a spread spectrum signal |
WO1996008926A1 (fr) * | 1994-09-16 | 1996-03-21 | Sony Corporation | Dispositif de sortie de donnees |
GB9418773D0 (en) * | 1994-09-16 | 1994-11-02 | Ionica L3 Limited | A method of demodulation and demodulator |
US5881096A (en) * | 1997-06-05 | 1999-03-09 | Itt Manufacturing Enterprises, Inc. | Method for removing bias in a frequency hopping digital communication system |
US6373899B1 (en) | 1997-06-30 | 2002-04-16 | Spacenet, Inc. | Combined preamble detection and information method for burst-type digital communication system |
US6591100B1 (en) * | 1998-11-19 | 2003-07-08 | Ericsson Inc. | Cellular communication device with scanning receiver and continuous mobile communication system employing same |
US7630428B2 (en) * | 2005-07-28 | 2009-12-08 | Itt Manufacturing Enterprises, Inc. | Fast digital carrier frequency error estimation algorithm using synchronization sequence |
US7609755B2 (en) * | 2005-07-28 | 2009-10-27 | Itt Manufacturing Enterprises, Inc. | Simplified timing correction for data despreading of serial offset quadrature pulse-shaped spread signals |
US7801255B2 (en) * | 2005-07-28 | 2010-09-21 | Itt Manufacturing Enterprises, Inc. | Synchronization technique for serial modulated waveforms |
US7593454B2 (en) * | 2005-07-28 | 2009-09-22 | Itt Manufacturing Enterprises, Inc. | Enhanced QPSK or DQPSK data demodulation for direct sequence spreading (DSS) system waveforms using orthogonal or near-orthogonal spreading sequences |
US7822100B2 (en) * | 2005-07-28 | 2010-10-26 | Itt Manufacturing Enterprises, Inc. | Phase mapping for QPSK/QBL-MSK waveform |
US7715505B2 (en) * | 2005-07-28 | 2010-05-11 | Itt Manufacturing Enterprises, Inc | Adaptive synchronization enhancement technique for serial modulated waveforms |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2148669A (en) * | 1983-10-21 | 1985-05-30 | Philips Electronic Associated | Data receiver |
US4879728A (en) * | 1989-01-31 | 1989-11-07 | American Telephone And Telegraph Company, At&T Bell Laboratories | DPSK carrier acquisition and tracking arrangement |
-
1991
- 1991-09-30 US US07/767,963 patent/US5195108A/en not_active Expired - Lifetime
-
1992
- 1992-08-14 WO PCT/US1992/006766 patent/WO1993007701A1/en active Application Filing
- 1992-08-14 GB GB9310893A patent/GB2267630B/en not_active Expired - Fee Related
- 1992-08-14 CA CA002096946A patent/CA2096946C/en not_active Expired - Fee Related
- 1992-08-14 JP JP5506871A patent/JPH06503460A/ja active Pending
- 1992-09-28 MX MX9205518A patent/MX9205518A/es unknown
Also Published As
Publication number | Publication date |
---|---|
GB2267630B (en) | 1995-03-22 |
GB9310893D0 (en) | 1993-07-28 |
CA2096946C (en) | 1997-01-07 |
JPH06503460A (ja) | 1994-04-14 |
GB2267630A (en) | 1993-12-08 |
US5195108A (en) | 1993-03-16 |
WO1993007701A1 (en) | 1993-04-15 |
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