DE3571539D1 - Apparatus for cancelling periodic carrier phase jitters - Google Patents
Apparatus for cancelling periodic carrier phase jittersInfo
- Publication number
- DE3571539D1 DE3571539D1 DE8585301133T DE3571539T DE3571539D1 DE 3571539 D1 DE3571539 D1 DE 3571539D1 DE 8585301133 T DE8585301133 T DE 8585301133T DE 3571539 T DE3571539 T DE 3571539T DE 3571539 D1 DE3571539 D1 DE 3571539D1
- Authority
- DE
- Germany
- Prior art keywords
- carrier phase
- periodic carrier
- phase jitters
- cancelling
- cancelling periodic
- 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
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
- H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
-
- 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
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59029735A JPH0634485B2 (ja) | 1984-02-20 | 1984-02-20 | ジッタキャンセラ− |
JP59277477A JPS61157135A (ja) | 1984-12-28 | 1984-12-28 | 周期性位相ジツタ除去装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3571539D1 true DE3571539D1 (en) | 1989-08-17 |
Family
ID=26367969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585301133T Expired DE3571539D1 (en) | 1984-02-20 | 1985-02-20 | Apparatus for cancelling periodic carrier phase jitters |
Country Status (5)
Country | Link |
---|---|
US (1) | US4639939A (de) |
EP (1) | EP0153194B1 (de) |
AU (1) | AU574624B2 (de) |
CA (1) | CA1246707A (de) |
DE (1) | DE3571539D1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8511585D0 (en) * | 1985-05-08 | 1985-06-12 | Hewlett Packard Ltd | Jitter measurement method |
DE3765947D1 (de) * | 1986-01-18 | 1990-12-13 | Hewlett Packard Ltd | Beeinflussungsfreier analysator zur erfassung von kanalstoerungen. |
JPH0640627B2 (ja) * | 1987-01-28 | 1994-05-25 | 日本電気株式会社 | 適応型ジツタキヤンセラ |
GB8805767D0 (en) * | 1988-03-10 | 1988-04-07 | Ncr Co | Phase perturbation compensation system |
US5084902A (en) * | 1989-03-14 | 1992-01-28 | Nec Corporation | Jitter canceller with an initial value setting circuit for an adaptive filter |
WO1991006166A1 (fr) * | 1989-10-23 | 1991-05-02 | Nippon Telegraph And Telephone Corporation | Demodulateur numerique |
US5115452A (en) * | 1990-08-02 | 1992-05-19 | At&T Bell Laboratories | Phase jitter correction arrangement |
US5285472A (en) * | 1993-02-24 | 1994-02-08 | Gec-Marconi Electronic Systems Corp. | System for determining the acquisition of, and frequency compensating, a phase modulated pseudonoise sequence signal |
AUPM587094A0 (en) * | 1994-05-25 | 1994-06-16 | Poseidon Scientific Instruments Pty Ltd | Microwave loop oscillators |
KR970009688B1 (ko) * | 1994-10-19 | 1997-06-17 | 엘지정보통신 주식회사 | 지터 억압회로 |
FI961164A (fi) * | 1996-03-13 | 1997-09-14 | Nokia Technology Gmbh | Menetelmä kanavavirheiden korjaamiseksi digitaalisessa tietoliikennejärjestelmässä |
US7050522B2 (en) * | 2000-05-26 | 2006-05-23 | International Business Machines Corporation | Phase rotator and data recovery receiver incorporating said phase rotator |
DE102005051275A1 (de) | 2005-10-26 | 2007-05-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung, Verfahren und Computerprogramm zum Senden eines Informationssignals, das mehrere Sendesignale aufweist |
US9160382B2 (en) | 2013-10-08 | 2015-10-13 | Blackberry Limited | Phase noise mitigation for wireless communications |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614623A (en) * | 1969-04-21 | 1971-10-19 | North American Rockwell | Adaptive system for correction of distortion of signals in transmission of digital data |
US3971996A (en) * | 1973-01-18 | 1976-07-27 | Hycom Incorporated | Phase tracking network |
US3962637A (en) * | 1974-11-11 | 1976-06-08 | Hycom Incorporated | Ultrafast adaptive digital modem |
US4320526A (en) * | 1980-03-03 | 1982-03-16 | Bell Telephone Laboratories, Incorporated | Adaptive phase-jitter tracker |
US4447910A (en) * | 1981-06-02 | 1984-05-08 | Harris Corporation | Phase tracking correction scheme for high frequency modem |
US4479258A (en) * | 1981-09-30 | 1984-10-23 | Nippon Electric Co., Ltd. | Cross-polarization crosstalk canceller |
-
1985
- 1985-02-19 US US06/702,656 patent/US4639939A/en not_active Expired - Lifetime
- 1985-02-19 CA CA000474592A patent/CA1246707A/en not_active Expired
- 1985-02-20 EP EP85301133A patent/EP0153194B1/de not_active Expired
- 1985-02-20 DE DE8585301133T patent/DE3571539D1/de not_active Expired
- 1985-02-20 AU AU38981/85A patent/AU574624B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU574624B2 (en) | 1988-07-07 |
EP0153194A2 (de) | 1985-08-28 |
EP0153194B1 (de) | 1989-07-12 |
CA1246707A (en) | 1988-12-13 |
AU3898185A (en) | 1985-08-29 |
EP0153194A3 (en) | 1987-09-30 |
US4639939A (en) | 1987-01-27 |
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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 |