JPS5636624B2 - - Google Patents
Info
- Publication number
- JPS5636624B2 JPS5636624B2 JP4560076A JP4560076A JPS5636624B2 JP S5636624 B2 JPS5636624 B2 JP S5636624B2 JP 4560076 A JP4560076 A JP 4560076A JP 4560076 A JP4560076 A JP 4560076A JP S5636624 B2 JPS5636624 B2 JP S5636624B2
- Authority
- JP
- Japan
- 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
- H04L7/02—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
- H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
-
- 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
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
- H04L7/0278—Band edge detection
-
- 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
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7514020A FR2309089A1 (fr) | 1975-04-25 | 1975-04-25 | Procede pour synchroniser l'horloge du recepteur d'un systeme de transmission de donnees et dispositif pour mettre en oeuvre le procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS524154A JPS524154A (en) | 1977-01-13 |
| JPS5636624B2 true JPS5636624B2 (US06168776-20010102-C00041.png) | 1981-08-25 |
Family
ID=9154860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51045600A Granted JPS524154A (en) | 1975-04-25 | 1976-04-23 | Phase control device |
Country Status (6)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2358056A1 (fr) * | 1976-07-09 | 1978-02-03 | Ibm France | Procede et dispositif de synchronisation de l'horloge du recepteur d'un systeme de transmissions de donnees en modulation psk |
| FR2407621A1 (fr) * | 1977-10-27 | 1979-05-25 | Ibm France | Procede et dispositif pour determiner l'ecart de phase dans un systeme utilisant la modulation par saut de phase |
| AU6193080A (en) * | 1979-09-19 | 1981-03-26 | Plessey Overseas Ltd. | Timing recovery for modems |
| US4344179A (en) * | 1980-11-07 | 1982-08-10 | Motorola Inc. | Clock synchronizer and data detector |
| GB2153186B (en) * | 1984-01-13 | 1987-04-23 | Ncr Co | Digital data receiver including timing adjustment circuit |
| US4831637A (en) * | 1984-06-19 | 1989-05-16 | American Telephone And Telegraph Company | Apparatus and technique for timing jitter cancellation in a data receiver |
| FR2566979B1 (fr) * | 1984-06-29 | 1986-10-31 | Lignes Telegraph Telephon | Extracteur de rythme pour systeme de transmission de donnees |
| GB2198317B (en) * | 1986-12-06 | 1990-07-25 | Rolls Royce Plc | Recovery of data clocks |
| DE3707762A1 (de) * | 1987-03-11 | 1988-09-29 | Ant Nachrichtentech | Frequenzdetektor |
| EP0413875B1 (en) * | 1989-08-21 | 1994-06-01 | International Business Machines Corporation | Timing control for modem receivers |
| FR2723494B1 (fr) * | 1994-08-04 | 1996-09-06 | Bull Sa | Procede d'echantillonnage d'un signal numerique en serie |
| US5793821A (en) * | 1995-06-07 | 1998-08-11 | 3Com Corporation | Timing Recovery using group delay compensation |
| US5870446A (en) * | 1996-03-11 | 1999-02-09 | Adtran, Inc. | Mechanism for automatically adjusting the phase of a transmission strobe clock signal to correct for misalignment of transmission clock and data signals |
| JP3175714B2 (ja) * | 1998-11-18 | 2001-06-11 | 日本電気株式会社 | クロック同期回路 |
| US6697439B1 (en) * | 2000-03-23 | 2004-02-24 | Cyntrust Communications, Inc. | Carrier acquisition in a DC/MA system |
| US7349507B2 (en) * | 2003-06-09 | 2008-03-25 | Intel Corporation | Extending PPM tolerance using a tracking data recovery algorithm in a data recovery circuit |
| EP2770684B1 (en) * | 2011-11-16 | 2016-02-10 | Huawei Technologies Co., Ltd. | Method and device for generating microwave predistortion signal |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1306029A (fr) * | 1960-08-15 | 1962-10-13 | Western Electric Co | Dispositif de restitution de signal de synchronisation |
| FR1381314A (fr) * | 1963-08-23 | 1964-12-14 | Telecomm Radioelectriques & Te | Procédés de synchronisation pour transmettre des signaux digitaux à travers des dispositifs de transmission non synchrone |
| US3372335A (en) * | 1964-02-24 | 1968-03-05 | Fujitsu Ltd | Two channel, frequency drift correcting, remote-controlled supervisory system |
| US3443229A (en) * | 1966-04-13 | 1969-05-06 | Bell Telephone Labor Inc | Quadrature-carrier vestigial-sideband data transmission |
| US3887768A (en) * | 1971-09-14 | 1975-06-03 | Codex Corp | Signal structures for double side band-quadrature carrier modulation |
| FR2164544B1 (US06168776-20010102-C00041.png) * | 1971-12-21 | 1974-09-27 | Ibm France | |
| US3743775A (en) * | 1972-01-12 | 1973-07-03 | Collins Radio Co | Data demodulator apparatus |
| US3818347A (en) * | 1972-10-10 | 1974-06-18 | Intertel Inc | Receiver for amplitude modulated quadrature carrier signals |
| DE2416058B2 (de) * | 1973-07-12 | 1980-12-18 | International Business Machines Corp., Armonk, N.Y. (V.St.A.) | Verfahren und Schaltungsanordnungen zur Entzerrung eines quadraturmodulierten Datensignals |
-
1975
- 1975-04-25 FR FR7514020A patent/FR2309089A1/fr active Granted
-
1976
- 1976-03-24 GB GB11806/76A patent/GB1492165A/en not_active Expired
- 1976-03-30 DE DE2613432A patent/DE2613432C2/de not_active Expired
- 1976-04-08 US US05/674,787 patent/US4039748A/en not_active Expired - Lifetime
- 1976-04-22 CA CA250,715A patent/CA1057406A/en not_active Expired
- 1976-04-23 JP JP51045600A patent/JPS524154A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2613432A1 (de) | 1976-11-04 |
| GB1492165A (en) | 1977-11-16 |
| FR2309089B1 (US06168776-20010102-C00041.png) | 1977-12-09 |
| CA1057406A (en) | 1979-06-26 |
| FR2309089A1 (fr) | 1976-11-19 |
| JPS524154A (en) | 1977-01-13 |
| US4039748A (en) | 1977-08-02 |
| DE2613432C2 (de) | 1986-04-17 |
