DE3377325D1 - System for synchronous data transmission with the aid of a constant envelope amplitude-modulated carrier - Google Patents
System for synchronous data transmission with the aid of a constant envelope amplitude-modulated carrierInfo
- Publication number
- DE3377325D1 DE3377325D1 DE8383104429T DE3377325T DE3377325D1 DE 3377325 D1 DE3377325 D1 DE 3377325D1 DE 8383104429 T DE8383104429 T DE 8383104429T DE 3377325 T DE3377325 T DE 3377325T DE 3377325 D1 DE3377325 D1 DE 3377325D1
- Authority
- DE
- Germany
- Prior art keywords
- aid
- data transmission
- modulated carrier
- synchronous data
- constant envelope
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
- H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
-
- 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
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8208043A FR2526617A1 (fr) | 1982-05-10 | 1982-05-10 | Systeme de transmission synchrone de donnees a l'aide d'une porteuse modulee d'amplitude d'enveloppe constante |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3377325D1 true DE3377325D1 (en) | 1988-08-11 |
Family
ID=9273862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383104429T Expired DE3377325D1 (en) | 1982-05-10 | 1983-05-05 | System for synchronous data transmission with the aid of a constant envelope amplitude-modulated carrier |
Country Status (5)
Country | Link |
---|---|
US (1) | US4583238A (de) |
EP (1) | EP0094040B1 (de) |
DE (1) | DE3377325D1 (de) |
FR (1) | FR2526617A1 (de) |
GR (1) | GR77494B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644561A (en) * | 1985-03-20 | 1987-02-17 | International Mobile Machines Corp. | Modem for RF subscriber telephone system |
FR2591828B1 (fr) * | 1985-12-13 | 1988-02-12 | Thomson Csf | Dispositif de modulation d'une frequence porteuse par sauts de phase ou de frequence |
US5027372A (en) * | 1987-03-04 | 1991-06-25 | National Semiconductor Corp. | Differential phase shift keying modulator |
FR2633470B1 (fr) * | 1988-06-24 | 1990-08-24 | Thomson Csf | Procede de demodulation et demodulateur de signaux numeriques d'amplitude d'enveloppe constante modules en phase et/ou en frequence de facon continue |
GB2232852B (en) * | 1989-05-31 | 1993-10-27 | Technophone Ltd | Offset correction |
FR2681994B1 (fr) * | 1991-09-26 | 1994-09-30 | Alcatel Telspace | Dispositif de transmission numerique comportant un recepteur a demodulation coherente realisee directement en hyperfrequence. |
US5321799A (en) * | 1992-04-17 | 1994-06-14 | Proxim, Inc. | Signalling transition control in a modulated-signal communications system |
JPH10501941A (ja) * | 1994-06-15 | 1998-02-17 | アールシーエー トムソン ライセンシング コーポレイシヨン | テレビジョン信号処理システムでの出力プロセッサへのパケット化ディジタル・データストリームの同期化 |
WO2019116446A1 (ja) * | 2017-12-12 | 2019-06-20 | 三菱電機株式会社 | 光通信装置、制御方法、及び制御プログラム |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008373A (en) * | 1975-10-03 | 1977-02-15 | Motorola, Inc. | Digital differential phase shift keyed modulator |
NL7709917A (nl) * | 1977-09-09 | 1979-03-13 | Philips Nv | Systeem voor datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude. |
US4146841A (en) * | 1977-09-28 | 1979-03-27 | Harris Corporation | Technique for combatting jitter in multiple phase transmission system |
US4216543A (en) * | 1979-02-26 | 1980-08-05 | Rockwell International Corporation | Means for deriving baud timing from an available AC signal |
NL7901865A (nl) * | 1979-03-08 | 1980-09-10 | Philips Nv | Systeem voor multiniveau datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude. |
FR2454233B1 (fr) * | 1979-04-11 | 1986-01-24 | Materiel Telephonique | Demodulateur stochastique pour signaux modules en sauts de phase, fonctionnant en temps partage sur plusieurs canaux |
JPS5625849A (en) * | 1979-08-10 | 1981-03-12 | Hitachi Ltd | Coding system |
-
1982
- 1982-05-10 FR FR8208043A patent/FR2526617A1/fr active Pending
-
1983
- 1983-05-05 EP EP83104429A patent/EP0094040B1/de not_active Expired
- 1983-05-05 DE DE8383104429T patent/DE3377325D1/de not_active Expired
- 1983-05-09 US US06/492,761 patent/US4583238A/en not_active Expired - Fee Related
- 1983-05-11 GR GR71325A patent/GR77494B/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0094040B1 (de) | 1988-07-06 |
EP0094040A3 (en) | 1985-05-29 |
GR77494B (de) | 1984-09-24 |
FR2526617A1 (fr) | 1983-11-10 |
US4583238A (en) | 1986-04-15 |
EP0094040A2 (de) | 1983-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |