FR2365920B1 - - Google Patents
Info
- Publication number
- FR2365920B1 FR2365920B1 FR7729055A FR7729055A FR2365920B1 FR 2365920 B1 FR2365920 B1 FR 2365920B1 FR 7729055 A FR7729055 A FR 7729055A FR 7729055 A FR7729055 A FR 7729055A FR 2365920 B1 FR2365920 B1 FR 2365920B1
- Authority
- FR
- France
- 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
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
- H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11627176A JPS5341162A (en) | 1976-09-28 | 1976-09-28 | Demodulation system for phase continuous frequency shift keying modulation signal |
JP8901477A JPS5423460A (en) | 1977-07-25 | 1977-07-25 | Delay detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2365920A1 FR2365920A1 (fr) | 1978-04-21 |
FR2365920B1 true FR2365920B1 (fr) | 1981-08-07 |
Family
ID=26430460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7729055A Granted FR2365920A1 (fr) | 1976-09-28 | 1977-09-27 | Systeme de detection differentielle avec correction d'erreur non redondante |
Country Status (5)
Country | Link |
---|---|
US (1) | US4128828A (fr) |
CA (1) | CA1081364A (fr) |
DE (1) | DE2743656C2 (fr) |
FR (1) | FR2365920A1 (fr) |
GB (1) | GB1546298A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1106067A (fr) * | 1977-07-19 | 1981-07-28 | Katsuhiro Nakamura | Traduction non-disponible |
JPS5625849A (en) * | 1979-08-10 | 1981-03-12 | Hitachi Ltd | Coding system |
SE422263B (sv) * | 1980-03-11 | 1982-02-22 | Ericsson Telefon Ab L M | Forfarande och anordning for synkronisering av en biner datasignal |
US4414675A (en) * | 1981-08-05 | 1983-11-08 | Motorola, Inc. | MSK and OK-QPSK signal demodulator |
US4530094A (en) * | 1982-09-28 | 1985-07-16 | Ael Microtel, Limited | Coding for odd error multiplication in digital systems with differential coding |
US4622670A (en) * | 1984-12-10 | 1986-11-11 | At&T Bell Laboratories | Error-correction coding for multilevel transmission system |
US4669095A (en) * | 1985-09-27 | 1987-05-26 | Motorola, Inc. | Maximum distance from zero crossing MSK demodulator |
US4791643A (en) * | 1986-12-29 | 1988-12-13 | Minnesota Mining And Manufacturing Company | Single track orthogonal error correction system |
US5228059A (en) * | 1989-11-21 | 1993-07-13 | Nippon Hoso Kyokai | Differential code transmission system |
US5193094A (en) * | 1990-03-07 | 1993-03-09 | Qualcomm Incorporated | Method and apparatus for generating super-orthogonal convolutional codes and the decoding thereof |
US5257182B1 (en) * | 1991-01-29 | 1996-05-07 | Neuromedical Systems Inc | Morphological classification system and method |
JP3134426B2 (ja) * | 1991-11-29 | 2001-02-13 | 日本電気株式会社 | シンボル同期回路 |
US6094740A (en) * | 1997-04-30 | 2000-07-25 | Lucent Technologies Inc | Channel quality estimator based on non-redundant error correction |
US7305023B2 (en) * | 2003-07-23 | 2007-12-04 | Intel Corporation | Receivers for cycle encoded signals |
US7308025B2 (en) * | 2003-07-23 | 2007-12-11 | Intel Corporation | Transmitters providing cycle encoded signals |
US7797614B2 (en) * | 2006-10-17 | 2010-09-14 | Northrop Grumman Corporation | Non-redundant multi-error correcting binary differential demodulator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529290A (en) * | 1968-05-10 | 1970-09-15 | Bell Telephone Labor Inc | Nonredundant error detection and correction system |
JPS5325443B2 (fr) * | 1972-12-29 | 1978-07-27 | ||
DE2325765A1 (de) * | 1973-05-21 | 1974-12-19 | Siemens Ag | Verfahren zur korrektur von signalverzerrungen |
JPS537762B2 (fr) * | 1974-08-14 | 1978-03-22 | ||
US4055832A (en) * | 1975-09-24 | 1977-10-25 | Motorola, Inc. | One-error correction convolutional coding system |
US4035767A (en) * | 1976-03-01 | 1977-07-12 | Ibm Corporation | Error correction code and apparatus for the correction of differentially encoded quadrature phase shift keyed data (DQPSK) |
-
1977
- 1977-09-21 CA CA287,170A patent/CA1081364A/fr not_active Expired
- 1977-09-26 US US05/836,759 patent/US4128828A/en not_active Expired - Lifetime
- 1977-09-27 FR FR7729055A patent/FR2365920A1/fr active Granted
- 1977-09-28 DE DE2743656A patent/DE2743656C2/de not_active Expired
- 1977-09-28 GB GB40387/77A patent/GB1546298A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4128828A (en) | 1978-12-05 |
DE2743656A1 (de) | 1978-03-30 |
CA1081364A (fr) | 1980-07-08 |
GB1546298A (en) | 1979-05-23 |
DE2743656C2 (de) | 1982-10-07 |
FR2365920A1 (fr) | 1978-04-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address |