KR960706735A - 데이타 캐리어 수신용 수신기 및 데이타 변조된 캐리어로부터 데이타를 복구하는 방법(method and apparatus for locating and tracking a tracking a qpsk carrier) - Google Patents

데이타 캐리어 수신용 수신기 및 데이타 변조된 캐리어로부터 데이타를 복구하는 방법(method and apparatus for locating and tracking a tracking a qpsk carrier)

Info

Publication number
KR960706735A
KR960706735A KR1019960702924A KR19960702924A KR960706735A KR 960706735 A KR960706735 A KR 960706735A KR 1019960702924 A KR1019960702924 A KR 1019960702924A KR 19960702924 A KR19960702924 A KR 19960702924A KR 960706735 A KR960706735 A KR 960706735A
Authority
KR
South Korea
Prior art keywords
signal
data
error
tracking
receiver
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.)
Withdrawn
Application number
KR1019960702924A
Other languages
English (en)
Korean (ko)
Inventor
제이. 디'실바 마크
에스. 로렌스 스티븐
스토로서-스튜워트 로버트
Original Assignee
프레데릭 더블유ㆍ파워스 3세
사이언티픽-아틀란타, 인코포레이티드
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 프레데릭 더블유ㆍ파워스 3세, 사이언티픽-아틀란타, 인코포레이티드 filed Critical 프레데릭 더블유ㆍ파워스 3세
Publication of KR960706735A publication Critical patent/KR960706735A/ko
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • 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
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
KR1019960702924A 1993-12-03 1994-12-05 데이타 캐리어 수신용 수신기 및 데이타 변조된 캐리어로부터 데이타를 복구하는 방법(method and apparatus for locating and tracking a tracking a qpsk carrier) Withdrawn KR960706735A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16083993A 1993-12-03 1993-12-03
US08/160,839 1993-12-03
PCT/US1994/013665 WO1995015640A1 (en) 1993-12-03 1994-12-05 Method and apparatus for locating and tracking a qpsk carrier

Publications (1)

Publication Number Publication Date
KR960706735A true KR960706735A (ko) 1996-12-09

Family

ID=22578679

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960702924A Withdrawn KR960706735A (ko) 1993-12-03 1994-12-05 데이타 캐리어 수신용 수신기 및 데이타 변조된 캐리어로부터 데이타를 복구하는 방법(method and apparatus for locating and tracking a tracking a qpsk carrier)

Country Status (9)

Country Link
US (1) US5699385A (enExample)
EP (1) EP0732021A4 (enExample)
JP (1) JPH09506221A (enExample)
KR (1) KR960706735A (enExample)
AU (1) AU689183B2 (enExample)
CA (1) CA2177569A1 (enExample)
MA (1) MA23383A1 (enExample)
TW (1) TW257923B (enExample)
WO (1) WO1995015640A1 (enExample)

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FR2737365B1 (fr) * 1995-07-26 1997-08-22 Thomson Broadcast Systems Procede et dispositif de transmission de service multimedia sur reseau prive large bande
US5828705A (en) * 1996-02-01 1998-10-27 Kroeger; Brian W. Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio
FI963317A7 (fi) * 1996-08-26 1998-02-27 Nokia Technology Gmbh Monitasoisten, kaksiulotteisten modulaatioaakkostojen kantoaaltosynkronointi
FI102229B (fi) * 1996-11-05 1998-10-30 Nokia Mobile Phones Ltd Menetelmä radiovastaanottimen virityksen parantamiseksi ja radiovastaa notin
TW391114B (en) * 1997-01-31 2000-05-21 Scientific Atlanta System and method for harmonic interference avoidance in carrier recovery for digital demodulation
US6522696B1 (en) * 1997-04-11 2003-02-18 Agere Systems Inc. Adaptive frequency correction in a wireless communications system, such as for GSM and IS54
WO1999026339A1 (en) * 1997-11-18 1999-05-27 Scientific-Atlanta, Inc. Method and apparatus for locating digital carrier signals
KR100451711B1 (ko) * 1997-12-27 2005-09-30 엘지전자 주식회사 큐피에스케이 시스템에서 폴스 록 검출장치
US6707863B1 (en) 1999-05-04 2004-03-16 Northrop Grumman Corporation Baseband signal carrier recovery of a suppressed carrier modulation signal
GB9913154D0 (en) 1999-06-08 1999-08-04 Pace Micro Tech Plc Frequency searching method and apparatus
US6433830B1 (en) * 1999-06-14 2002-08-13 General Instrument Corporation Off-air phase lock technique
JP2001024482A (ja) * 1999-07-09 2001-01-26 Matsushita Electric Ind Co Ltd 受信機
US7119834B2 (en) * 2002-06-06 2006-10-10 Microtune (Texas) L.P. Receiver and system calibration system and method
EP1422849A1 (en) * 2002-11-25 2004-05-26 Pace Micro Technology PLC Method of Scanning for Carrier signals modulated with digital data and transmitted by satellite
US7379864B2 (en) * 2003-05-06 2008-05-27 Lucent Technologies Inc. Method and apparatus for the detection of previous packet loss in non-packetized speech
US11165622B2 (en) * 2019-10-18 2021-11-02 Hughes Network Systems, LLC. System and method for low-rate high-rate coupled acquisition and tracking of high symbol rate inroutes

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DE2044635C3 (de) * 1970-09-09 1976-01-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zum automatischen Sendersuchlauf in Rundfunkempfängern
US3737787A (en) * 1971-06-29 1973-06-05 Gen Electric Electronic signal seeking system with rapid scan
US3921085A (en) * 1973-11-23 1975-11-18 William J Keane Frequency discriminator apparatus
US4123716A (en) * 1976-08-12 1978-10-31 The Magnavox Company Automatic frequency control for digital tuning systems
US4281412A (en) * 1979-07-05 1981-07-28 Cincinnati Electronics Corporation Method of and apparatus for transmitting and recovering offset QPSK modulated data
US4298986A (en) * 1979-12-26 1981-11-03 General Electric Company Receiver for phase-shift modulated carrier signals
US4429415A (en) * 1981-11-30 1984-01-31 Rca Corporation Signal-seeking tuning system with signal loss protection for a television receiver
US4742543A (en) * 1983-12-22 1988-05-03 Frederiksen Jeffrey E Video transmission system
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US4587514A (en) * 1984-09-07 1986-05-06 Verilink Corporation Interface method and apparatus
US4652903A (en) * 1984-09-21 1987-03-24 Scientific Atlanta, Inc. Frequency generation for multiplexed analog component color television encoding and decoding
US4829569A (en) * 1984-09-21 1989-05-09 Scientific-Atlanta, Inc. Communication of individual messages to subscribers in a subscription television system
US4697277A (en) * 1985-02-21 1987-09-29 Scientific Atlanta, Inc. Synchronization recovery in a communications system
US4763357A (en) * 1985-04-18 1988-08-09 Barr William S Method and apparatus for providing secure electronic communications
US4817142A (en) * 1985-05-21 1989-03-28 Scientific Atlanta, Inc. Restoring framing in a communications system
JPH0685517B2 (ja) * 1985-06-28 1994-10-26 ソニー株式会社 情報サ−ビスシステム
JPH0810879B2 (ja) * 1986-02-20 1996-01-31 富士通株式会社 復調装置
JPS62281626A (ja) * 1986-05-30 1987-12-07 Nippon Telegr & Teleph Corp <Ntt> デジタルデ−タ伝送方式
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US4713630A (en) * 1986-07-29 1987-12-15 Communications Satellite Corporation BPSK Costas-type PLL circuit having false lock prevention
JPH0624342B2 (ja) * 1988-06-29 1994-03-30 日本電気株式会社 アップリンク交差偏波補償装置
JPH0748750B2 (ja) * 1988-11-15 1995-05-24 日本電気株式会社 同期復調装置
US4879728A (en) * 1989-01-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Laboratories DPSK carrier acquisition and tracking arrangement
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US5062105A (en) * 1990-01-02 1991-10-29 At&T Bell Laboratories Programmable multiplexing techniques for mapping a capacity domain into a time domain within a frame
US5121409A (en) * 1990-04-04 1992-06-09 Artran, Inc. Multichannel satellite communication and control system
US5065107A (en) * 1990-04-19 1991-11-12 University Of Saskatchewan Phase-locked loop bandwidth switching demodulator for suppressed carrier signals
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US5200823A (en) * 1991-03-29 1993-04-06 Scientific-Atlanta, Inc. Virtual channels for a multiplexed analog component (mac) television system
US5390348A (en) * 1992-02-12 1995-02-14 Creative Digital Inc. System for tracking and correcting drift and dispersion in satellite transmission signals

Also Published As

Publication number Publication date
MA23383A1 (fr) 1995-07-01
US5699385A (en) 1997-12-16
AU1295695A (en) 1995-06-19
AU689183B2 (en) 1998-03-26
CA2177569A1 (en) 1995-06-08
WO1995015640A1 (en) 1995-06-08
TW257923B (enExample) 1995-09-21
EP0732021A1 (en) 1996-09-18
EP0732021A4 (en) 2000-07-05
JPH09506221A (ja) 1997-06-17

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19960603

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid