TW247384B - - Google Patents
Info
- Publication number
- TW247384B TW247384B TW83108988A TW83108988A TW247384B TW 247384 B TW247384 B TW 247384B TW 83108988 A TW83108988 A TW 83108988A TW 83108988 A TW83108988 A TW 83108988A TW 247384 B TW247384 B TW 247384B
- Authority
- TW
- Taiwan
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
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0032—Correction of carrier offset at baseband and passband
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19934335228 DE4335228C2 (en) | 1993-10-15 | 1993-10-15 | Reception synchronization procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW247384B true TW247384B (en) | 1995-05-11 |
Family
ID=6500260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW83108988A TW247384B (en) | 1993-10-15 | 1994-09-29 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE4335228C2 (en) |
| TW (1) | TW247384B (en) |
| WO (1) | WO1995010909A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598441A (en) * | 1994-10-13 | 1997-01-28 | Westinghouse Electric Corp. | Carrier acquisition technique for mobile radio QPSK demodulator |
| JPH09219693A (en) * | 1996-02-09 | 1997-08-19 | Mitsubishi Electric Corp | Digital broadcast receiver |
| JP3556047B2 (en) * | 1996-05-22 | 2004-08-18 | 三菱電機株式会社 | Digital broadcast receiver |
| DE19933266A1 (en) * | 1999-07-15 | 2000-11-02 | Siemens Ag | Radio signal reception device for mobile communications IC |
| US6873663B1 (en) | 2000-02-16 | 2005-03-29 | Telefonaktiebolaget Lm Ericsson | Reception of M-ary PSK-modulated signals |
| DE10232195B4 (en) * | 2002-07-16 | 2015-03-05 | Rohde & Schwarz Gmbh & Co. Kg | Method and apparatus for measuring the symbol rate of a digitally modulated high frequency signal |
| DE10309262B4 (en) * | 2003-03-03 | 2007-08-23 | Rohde & Schwarz Gmbh & Co. Kg | Method for estimating the frequency and / or the phase of a digital signal sequence |
| DE102004039016A1 (en) * | 2004-08-11 | 2006-02-23 | Rohde & Schwarz Gmbh & Co. Kg | Method and device for estimating the frequency and / or the phase with rough approximation |
| FR3085568B1 (en) * | 2018-08-31 | 2020-08-07 | Zodiac Data Systems | METHOD OF DATETING TELEMETRY SIGNALS |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4281412A (en) * | 1979-07-05 | 1981-07-28 | Cincinnati Electronics Corporation | Method of and apparatus for transmitting and recovering offset QPSK modulated data |
| US4599732A (en) * | 1984-04-17 | 1986-07-08 | Harris Corporation | Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format |
| US4580107A (en) * | 1984-06-06 | 1986-04-01 | The United States Of America As Represented By The Secretary Of The Air Force | Phase lock acquisition system having FLL for coarse tuning and PLL for fine tuning |
| FR2672454B1 (en) * | 1991-01-31 | 1994-10-07 | Alcatel Telspace | CONSISTENT DEMODULATION METHOD FOR PHASE DISPLACEMENT MODULATION AND DEVICE FOR CARRYING OUT SAID METHOD. |
| DE69217140T2 (en) * | 1991-08-07 | 1997-07-03 | Toshiba Ave Kk | QPSK demodulator with automatic frequency adjustment |
-
1993
- 1993-10-15 DE DE19934335228 patent/DE4335228C2/en not_active Expired - Fee Related
-
1994
- 1994-09-29 TW TW83108988A patent/TW247384B/zh active
- 1994-10-08 WO PCT/EP1994/003324 patent/WO1995010909A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| DE4335228A1 (en) | 1995-05-04 |
| DE4335228C2 (en) | 1996-03-28 |
| WO1995010909A1 (en) | 1995-04-20 |