DE4191618T - - Google Patents
Info
- Publication number
- DE4191618T DE4191618T DE19914191618 DE4191618T DE4191618T DE 4191618 T DE4191618 T DE 4191618T DE 19914191618 DE19914191618 DE 19914191618 DE 4191618 T DE4191618 T DE 4191618T DE 4191618 T DE4191618 T DE 4191618T
- Authority
- DE
- Germany
- 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.)
- Pending
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
- H04L2027/003—Correction of carrier offset at baseband only
-
- 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
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 |
---|---|---|---|
US07/559,016 US5022048A (en) | 1990-07-26 | 1990-07-26 | Programmable digital frequency-phase discriminator |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4191618T true DE4191618T (US08158827-20120417-C00028.png) | 1993-05-13 |
Family
ID=24231941
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4191618A Expired - Fee Related DE4191618B4 (de) | 1990-07-26 | 1991-07-25 | Programmierbarer digitaler Frequenz-Phasen-Diskriminator |
DE19914191618 Pending DE4191618T (US08158827-20120417-C00028.png) | 1990-07-26 | 1991-07-25 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4191618A Expired - Fee Related DE4191618B4 (de) | 1990-07-26 | 1991-07-25 | Programmierbarer digitaler Frequenz-Phasen-Diskriminator |
Country Status (4)
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2241129B (en) * | 1990-02-16 | 1993-04-07 | Stc Plc | Apparatus for generating complex composite rf signals |
US5134631A (en) * | 1990-07-26 | 1992-07-28 | Unisys Corp. | Digital gain controller |
JP2721454B2 (ja) * | 1992-01-27 | 1998-03-04 | 富士通株式会社 | タイミング抽出方法 |
US5583785A (en) * | 1993-12-28 | 1996-12-10 | Talkie Tooter, Inc. | Method and apparatus for signal decoder using instantaneous magnitude and phase detection |
US5982821A (en) * | 1996-01-16 | 1999-11-09 | L-3 Communications | Frequency discriminator and method and receiver incorporating same |
US5867525A (en) * | 1997-06-10 | 1999-02-02 | L-3 Commuications Corporation | Synchronizer and method therefor and communications system incorporating same |
EP0992109A2 (en) * | 1998-04-28 | 2000-04-12 | Koninklijke Philips Electronics N.V. | Simplified receiver for frequency shift keyed signals |
US6650688B1 (en) * | 1999-12-20 | 2003-11-18 | Intel Corporation | Chip rate selectable square root raised cosine filter for mobile telecommunications |
US20010055348A1 (en) * | 2000-03-31 | 2001-12-27 | Anderson Christopher L. | Sequential quadrant demodulation of digitally modulated radio signals |
US7822157B2 (en) * | 2002-12-31 | 2010-10-26 | L-3 Communications, Corp. | Acquisition and tracking of burst code signals |
JP4437810B2 (ja) * | 2006-12-15 | 2010-03-24 | 株式会社日立製作所 | Rfidデバイス |
KR101022358B1 (ko) | 2010-05-14 | 2011-03-22 | 엘아이지넥스원 주식회사 | 위상보정 기반환경의 최소자승 디지털 주파수 변별장치 및 방법 |
CN104320201B (zh) * | 2014-09-23 | 2017-01-25 | 西安空间无线电技术研究所 | 一种空间相干光通信高动态载波捕获跟踪环路 |
US9344098B1 (en) * | 2015-05-22 | 2016-05-17 | Broadcom Corporation | Digital frequency-locked loop with reference clock error detection |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2174565A (en) * | 1985-05-01 | 1986-11-05 | Chung Kwan Tsang | Decision-feedback QPSK demodulator |
AU6597086A (en) * | 1985-09-03 | 1987-03-24 | Motorola, Inc. | Apparatus for and method of doppler searching in a digital gps receiver |
US4739278A (en) * | 1985-11-12 | 1988-04-19 | Hughes Aircraft Company | Digital phase-frequency discriminator comprising simplified reset means and associated method |
US4847862A (en) * | 1988-04-07 | 1989-07-11 | Trimble Navigation, Ltd. | Global positioning system course acquisition code receiver |
-
1990
- 1990-07-26 US US07/559,016 patent/US5022048A/en not_active Expired - Lifetime
-
1991
- 1991-07-25 DE DE4191618A patent/DE4191618B4/de not_active Expired - Fee Related
- 1991-07-25 DE DE19914191618 patent/DE4191618T/de active Pending
- 1991-07-25 WO PCT/US1991/005343 patent/WO1992002093A1/en active Application Filing
- 1991-07-25 JP JP51427591A patent/JP3201767B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06500214A (ja) | 1994-01-06 |
JP3201767B2 (ja) | 2001-08-27 |
US5022048A (en) | 1991-06-04 |
DE4191618B4 (de) | 2005-10-27 |
WO1992002093A1 (en) | 1992-02-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 |