DE3267962D1 - System for demodulation of phase-shift keying signals - Google Patents
System for demodulation of phase-shift keying signalsInfo
- Publication number
- DE3267962D1 DE3267962D1 DE8282101361T DE3267962T DE3267962D1 DE 3267962 D1 DE3267962 D1 DE 3267962D1 DE 8282101361 T DE8282101361 T DE 8282101361T DE 3267962 T DE3267962 T DE 3267962T DE 3267962 D1 DE3267962 D1 DE 3267962D1
- Authority
- DE
- Germany
- Prior art keywords
- demodulation
- phase
- shift keying
- keying signals
- signals
- 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
- 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
- H04L27/2277—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using remodulation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56025709A JPS57140057A (en) | 1981-02-24 | 1981-02-24 | Demodulating system for phase displacement modulation signal |
JP56025710A JPS57140058A (en) | 1981-02-24 | 1981-02-24 | Demodulation system for phase displacement modulation signal |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3267962D1 true DE3267962D1 (en) | 1986-01-30 |
Family
ID=26363370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282101361T Expired DE3267962D1 (en) | 1981-02-24 | 1982-02-23 | System for demodulation of phase-shift keying signals |
Country Status (3)
Country | Link |
---|---|
US (1) | US4525676A (de) |
EP (1) | EP0059415B1 (de) |
DE (1) | DE3267962D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4626789A (en) * | 1983-08-19 | 1986-12-02 | Hitachi, Ltd. | Demodulating circuit for data signal |
JPS6121660A (ja) * | 1984-07-10 | 1986-01-30 | Toshiba Corp | 搬送波再生回路 |
JPS6210950A (ja) * | 1985-07-08 | 1987-01-19 | Nec Corp | デイジタル無線通信方式 |
JPS6211347A (ja) * | 1985-07-09 | 1987-01-20 | Nec Home Electronics Ltd | 4相psk復調装置 |
US4740997A (en) * | 1985-08-05 | 1988-04-26 | Hayes Microcomputer Products, Inc. | Band clock offset phase locked loop |
JPH0810879B2 (ja) * | 1986-02-20 | 1996-01-31 | 富士通株式会社 | 復調装置 |
GB2262690A (en) * | 1991-12-20 | 1993-06-23 | British Aerospace Space And Co | Demodulator with frequency error correction |
US5353311A (en) * | 1992-01-09 | 1994-10-04 | Nec Corporation | Radio transmitter |
JP3148043B2 (ja) * | 1993-05-06 | 2001-03-19 | 富士通株式会社 | 復調装置 |
JP3304683B2 (ja) * | 1995-05-02 | 2002-07-22 | 富士通株式会社 | 無線装置 |
US6111911A (en) * | 1995-06-07 | 2000-08-29 | Sanconix, Inc | Direct sequence frequency ambiguity resolving receiver |
JPH1051402A (ja) * | 1996-08-01 | 1998-02-20 | Nec Corp | 受信電界検出回路 |
GB0327041D0 (en) * | 2003-11-21 | 2003-12-24 | Roke Manor Research | Apparatus and methods |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2122376B1 (de) * | 1971-01-21 | 1975-01-17 | Ibm France | |
DE2216259A1 (de) * | 1972-04-05 | 1973-10-18 | Licentia Gmbh | Schaltungsanordnung zum ableiten der traegerfrequenz aus den empfangenen signalen in einem vierphasen-demodulator |
FR2226778B1 (de) * | 1973-04-20 | 1976-05-28 | Lannionnais Electronique | |
JPS523544A (en) * | 1975-06-27 | 1977-01-12 | Kobe Steel Ltd | Multipleeelectrode mig welding method |
JPS523543A (en) * | 1975-06-27 | 1977-01-12 | Kobe Steel Ltd | Multipleeelectrode arc welding method |
US3993956A (en) * | 1975-11-03 | 1976-11-23 | Motorola, Inc. | Digital detection system for differential phase shift keyed signals |
JPS58698B2 (ja) * | 1976-03-22 | 1983-01-07 | 日本電気株式会社 | 位相同期回路 |
CA1115789A (en) * | 1977-05-12 | 1982-01-05 | Richard P. Scott | Phase shift keyed systems |
JPS54100639A (en) * | 1978-01-26 | 1979-08-08 | Fujitsu Ltd | Band-pass filter circuit |
JPS5580950A (en) * | 1978-12-08 | 1980-06-18 | Fujitsu Ltd | Arrier wave regenerating circuit |
JPS55132164A (en) * | 1979-03-30 | 1980-10-14 | Nec Corp | Carrier regenerating circuit for psk demodulator |
JPS55149554A (en) * | 1979-05-10 | 1980-11-20 | Nec Corp | Carrier reproducing circuit |
JPS5835429B2 (ja) * | 1979-06-21 | 1983-08-02 | 富士通株式会社 | 搬送波再生回路 |
JPS585731B2 (ja) * | 1979-09-12 | 1983-02-01 | 川崎製鉄株式会社 | 冷間圧延機における給油方法 |
US4339823A (en) * | 1980-08-15 | 1982-07-13 | Motorola, Inc. | Phase corrected clock signal recovery circuit |
US4461014A (en) * | 1980-09-23 | 1984-07-17 | Mitsubishi Denki Kabushiki Kaisha | Carrier regenerating circuit |
-
1982
- 1982-02-22 US US06/351,258 patent/US4525676A/en not_active Expired - Lifetime
- 1982-02-23 DE DE8282101361T patent/DE3267962D1/de not_active Expired
- 1982-02-23 EP EP82101361A patent/EP0059415B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4525676A (en) | 1985-06-25 |
EP0059415A1 (de) | 1982-09-08 |
EP0059415B1 (de) | 1985-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: HAGEMANN, H., DIPL.-CHEM. DR.RER.NAT. KEHL, G., DIPL.-PHYS., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |