DE68905998D1 - Modulationsart mit linearen phasenspruengen und konstanter umhuellung. - Google Patents
Modulationsart mit linearen phasenspruengen und konstanter umhuellung.Info
- Publication number
- DE68905998D1 DE68905998D1 DE8989402337T DE68905998T DE68905998D1 DE 68905998 D1 DE68905998 D1 DE 68905998D1 DE 8989402337 T DE8989402337 T DE 8989402337T DE 68905998 T DE68905998 T DE 68905998T DE 68905998 D1 DE68905998 D1 DE 68905998D1
- Authority
- DE
- Germany
- Prior art keywords
- modulation type
- linear phase
- phase jumps
- constant coating
- coating
- 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 - Fee Related
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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
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 |
---|---|---|---|
FR8812269A FR2636796B1 (fr) | 1988-09-20 | 1988-09-20 | Modulation a sauts de phase lineaires et a enveloppe constante |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68905998D1 true DE68905998D1 (de) | 1993-05-19 |
DE68905998T2 DE68905998T2 (de) | 1993-09-30 |
Family
ID=9370174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989605998 Expired - Fee Related DE68905998T2 (de) | 1988-09-20 | 1989-08-24 | Modulationsart mit linearen Phasensprüngen und konstanter Umhüllung. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0369832B1 (de) |
DE (1) | DE68905998T2 (de) |
FR (1) | FR2636796B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0532648A1 (de) * | 1990-06-05 | 1993-03-24 | Coherent Ip Rights, Limited | Verfahren und einrichtung zur übertragung von daten über starkstromleitungen |
FR2824206A1 (fr) * | 2001-04-27 | 2002-10-31 | Thomson Csf | Procede de generation de modulation par division de frequence suivi de mulitplication de frequence |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4481489A (en) * | 1981-07-02 | 1984-11-06 | Motorola Inc. | Binary signal modulating circuitry for frequency modulated transmitters |
JPS5937756A (ja) * | 1982-08-27 | 1984-03-01 | Nec Corp | サブキヤリアmsk変調器 |
-
1988
- 1988-09-20 FR FR8812269A patent/FR2636796B1/fr not_active Expired - Fee Related
-
1989
- 1989-08-24 EP EP19890402337 patent/EP0369832B1/de not_active Expired - Lifetime
- 1989-08-24 DE DE1989605998 patent/DE68905998T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0369832B1 (de) | 1993-04-14 |
DE68905998T2 (de) | 1993-09-30 |
EP0369832A1 (de) | 1990-05-23 |
FR2636796B1 (fr) | 1990-11-02 |
FR2636796A1 (fr) | 1990-03-23 |
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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 |