IL92148A0 - Continuous phase shift modulation system with improved spectrum control - Google Patents
Continuous phase shift modulation system with improved spectrum controlInfo
- Publication number
- IL92148A0 IL92148A0 IL92148A IL9214889A IL92148A0 IL 92148 A0 IL92148 A0 IL 92148A0 IL 92148 A IL92148 A IL 92148A IL 9214889 A IL9214889 A IL 9214889A IL 92148 A0 IL92148 A0 IL 92148A0
- Authority
- IL
- Israel
- Prior art keywords
- phase shift
- continuous phase
- modulation system
- shift modulation
- spectrum control
- Prior art date
Links
- 230000010363 phase shift Effects 0.000 title 1
- 238000001228 spectrum Methods 0.000 title 1
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
- H04L27/2021—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained
- H04L27/2025—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained in which the phase changes in a piecewise linear manner within each symbol period
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/319,100 US4897620A (en) | 1989-03-06 | 1989-03-06 | Continuous phase shift modulation system with improved spectrum control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL92148A0 true IL92148A0 (en) | 1990-07-12 |
Family
ID=23240852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL92148A IL92148A0 (en) | 1989-03-06 | 1989-10-30 | Continuous phase shift modulation system with improved spectrum control |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4897620A (ja) |
| EP (1) | EP0462106B1 (ja) |
| JP (1) | JPH0683280B2 (ja) |
| AU (1) | AU619606B2 (ja) |
| CA (1) | CA1314947C (ja) |
| DE (1) | DE68910700T2 (ja) |
| ES (1) | ES2017181A6 (ja) |
| IL (1) | IL92148A0 (ja) |
| WO (1) | WO1990010985A1 (ja) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5216391A (en) * | 1991-04-26 | 1993-06-01 | Kabushiki Kaisha Kenwood | MSK modulator having a digital quadrature reference waveform generator |
| US5253270A (en) * | 1991-07-08 | 1993-10-12 | Hal Communications | Apparatus useful in radio communication of digital data using minimal bandwidth |
| FR2696605B1 (fr) * | 1992-10-02 | 1994-12-30 | Suisse Electronique Microtech | Modulateur de signaux binaires par déplacement de fréquence. |
| US5517156A (en) * | 1994-10-07 | 1996-05-14 | Leader Electronics Corp. | Digital phase shifter |
| US5748679A (en) * | 1995-04-28 | 1998-05-05 | Trw Inc. | Modulated clock MSK modulator for high data rate applications |
| US5798661A (en) * | 1996-02-09 | 1998-08-25 | Advanced Micro Devices, Inc. | Method for continuous waveform synthesis |
| US5723991A (en) * | 1996-02-09 | 1998-03-03 | Advanced Micro Devices, Inc. | System and method for waveform synthesis |
| CN1201538C (zh) * | 1996-05-09 | 2005-05-11 | 皇家菲利浦电子有限公司 | 一种接收器、解调器和解调方法 |
| JP2850876B2 (ja) * | 1996-09-03 | 1999-01-27 | 日本電気株式会社 | 変調方式 |
| US5864585A (en) * | 1996-10-07 | 1999-01-26 | Erisman; David | Cosine segment communications system |
| US5834986A (en) * | 1997-10-06 | 1998-11-10 | Trw Inc. | Direct 2nd derivative synthesis method for controlling sidelobe energy in an MSK modulated signal |
| US6430232B1 (en) * | 1999-01-26 | 2002-08-06 | Trw Inc. | Phase constellation modulator |
| KR20000061674A (ko) * | 1999-03-30 | 2000-10-25 | 김영환 | 차동 연속위상 부호화기 및 이를 이용한 차동 연속위상주파수 천이변조 장치 |
| US8884664B1 (en) * | 2013-03-15 | 2014-11-11 | Anritsu Company | Systems and methods for generating low band frequency sine waves |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2977417A (en) * | 1958-08-18 | 1961-03-28 | Collins Radio Co | Minimum-shift data communication system |
| US4516087A (en) * | 1982-04-12 | 1985-05-07 | Rockwell International Corporation | Method for reducing side-lobe energy in an MSK detectable signal |
-
1989
- 1989-03-06 US US07/319,100 patent/US4897620A/en not_active Expired - Lifetime
- 1989-09-22 WO PCT/US1989/004304 patent/WO1990010985A1/en not_active Ceased
- 1989-09-22 JP JP1510697A patent/JPH0683280B2/ja not_active Expired - Fee Related
- 1989-09-22 AU AU43452/89A patent/AU619606B2/en not_active Expired - Fee Related
- 1989-09-22 DE DE68910700T patent/DE68910700T2/de not_active Expired - Fee Related
- 1989-09-22 EP EP89911470A patent/EP0462106B1/en not_active Expired - Lifetime
- 1989-09-28 CA CA000614287A patent/CA1314947C/en not_active Expired - Fee Related
- 1989-10-27 ES ES8903628A patent/ES2017181A6/es not_active Expired - Lifetime
- 1989-10-30 IL IL92148A patent/IL92148A0/xx active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP0462106A1 (en) | 1991-12-27 |
| US4897620A (en) | 1990-01-30 |
| CA1314947C (en) | 1993-03-23 |
| ES2017181A6 (es) | 1991-01-01 |
| JPH04500296A (ja) | 1992-01-16 |
| AU4345289A (en) | 1990-10-09 |
| WO1990010985A1 (en) | 1990-09-20 |
| AU619606B2 (en) | 1992-01-30 |
| DE68910700D1 (de) | 1993-12-16 |
| JPH0683280B2 (ja) | 1994-10-19 |
| DE68910700T2 (de) | 1994-05-26 |
| EP0462106B1 (en) | 1993-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed |