DE3379769D1 - Correlation data communications system - Google Patents

Correlation data communications system

Info

Publication number
DE3379769D1
DE3379769D1 DE8383810276T DE3379769T DE3379769D1 DE 3379769 D1 DE3379769 D1 DE 3379769D1 DE 8383810276 T DE8383810276 T DE 8383810276T DE 3379769 T DE3379769 T DE 3379769T DE 3379769 D1 DE3379769 D1 DE 3379769D1
Authority
DE
Germany
Prior art keywords
communications system
data communications
correlation data
correlation
data
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
Application number
DE8383810276T
Other languages
English (en)
Inventor
James L Russell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARINC Inc
Original Assignee
ARINC Research Corp
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 ARINC Research Corp filed Critical ARINC Research Corp
Application granted granted Critical
Publication of DE3379769D1 publication Critical patent/DE3379769D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
    • H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling
    • 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
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
    • 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
    • H04L27/2278—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using correlation techniques, e.g. for spread spectrum signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission
DE8383810276T 1982-06-21 1983-06-21 Correlation data communications system Expired DE3379769D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/390,702 US4527275A (en) 1982-02-12 1982-06-21 Correlation data communications system

Publications (1)

Publication Number Publication Date
DE3379769D1 true DE3379769D1 (en) 1989-06-01

Family

ID=23543568

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383810276T Expired DE3379769D1 (en) 1982-06-21 1983-06-21 Correlation data communications system

Country Status (3)

Country Link
US (1) US4527275A (de)
EP (1) EP0102918B1 (de)
DE (1) DE3379769D1 (de)

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US4583048A (en) * 1985-02-26 1986-04-15 Rca Corporation MSK digital demodulator for burst communications
US4630283A (en) * 1985-07-17 1986-12-16 Rca Corporation Fast acquisition burst mode spread spectrum communications system with pilot carrier
US4669089A (en) * 1985-09-30 1987-05-26 The Boeing Company Suppressed clock pulse-duration modulator for direct sequence spread spectrum transmission systems
US4827514A (en) * 1986-09-03 1989-05-02 Motorola, Inc. Method and apparatus to detect and recover a pseudo-random sequence
NO163800C (no) * 1987-10-19 1990-07-18 Forsvarets Forsknings Fremgangsmaate for demodulering av data.
JPH0748707B2 (ja) * 1988-09-06 1995-05-24 三菱電機株式会社 直接拡散変調装置
US5267271A (en) * 1991-09-27 1993-11-30 Lockheed Missiles & Space Company, Inc. Signal analysis technique for determining a subject of binary sequences most likely to have been transmitted in a multi-node communication network
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
JP3242654B2 (ja) * 1992-01-29 2001-12-25 富士通株式会社 入力信号より検出対象信号を検出する信号検出回路
US5754584A (en) * 1994-09-09 1998-05-19 Omnipoint Corporation Non-coherent spread-spectrum continuous-phase modulation communication system
US5963586A (en) * 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
US5680414A (en) * 1994-09-09 1997-10-21 Omnipoint Corporation Synchronization apparatus and method for spread spectrum receiver
US5881100A (en) * 1994-09-09 1999-03-09 Omnipoint Corporation Method and apparatus for coherent correlation of a spread spectrum signal
US5754585A (en) * 1994-09-09 1998-05-19 Omnipoint Corporation Method and apparatus for serial noncoherent correlation of a spread spectrum signal
US5757847A (en) * 1994-09-09 1998-05-26 Omnipoint Corporation Method and apparatus for decoding a phase encoded signal
US5692007A (en) * 1994-09-09 1997-11-25 Omnipoint Corporation Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
US5659574A (en) * 1994-09-09 1997-08-19 Omnipoint Corporation Multi-bit correlation of continuous phase modulated signals
US5953370A (en) * 1994-09-09 1999-09-14 Omnipoint Corporation Apparatus for receiving and correlating a spread spectrum signal
US5832022A (en) * 1995-06-02 1998-11-03 Omnipoint Corporation Method and apparatus for controlling the modulation index of continuous phase modulated (CPM) signals
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US6356607B1 (en) 1995-06-05 2002-03-12 Omnipoint Corporation Preamble code structure and detection method and apparatus
US5892792A (en) * 1995-12-06 1999-04-06 Rockwell International Corporation 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone
TW330358B (en) * 1996-02-28 1998-04-21 Toshiba Kk Correlator and synchronous tracking apparatus of spectrum expansion receiver thereof
US6141373A (en) * 1996-11-15 2000-10-31 Omnipoint Corporation Preamble code structure and detection method and apparatus
FR2757333B1 (fr) * 1996-12-13 1999-01-29 Alsthom Cge Alcatel Trame de transmission de donnees, et procede et dispositif d'emission et de reception d'une telle trame
US6101213A (en) * 1997-03-21 2000-08-08 Glynn Scientific, Inc. Method system and computer program product for spread spectrum communication using circular waveform shift-keying
US6005894A (en) * 1997-04-04 1999-12-21 Kumar; Derek D. AM-compatible digital broadcasting method and system
JP3537290B2 (ja) * 1997-05-27 2004-06-14 沖電気工業株式会社 シリアルインタフェース回路
US6947471B1 (en) * 1998-01-05 2005-09-20 Intel Corporation Method for using encoded spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system
US6356608B1 (en) 1998-06-29 2002-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and system for determining a location of a frequency synchronization signal
JP4259042B2 (ja) * 2002-06-10 2009-04-30 日本電気株式会社 等化装置及び等化方法並びに伝送装置
KR100657903B1 (ko) * 2004-10-15 2006-12-14 삼성전기주식회사 태그의 충돌 방지 방법 및 이를 위한 태그 시스템
US7952482B2 (en) * 2005-08-25 2011-05-31 University Of Central Florida Research Foundation, Inc. Surface acoustic wave coding for orthogonal frequency coded devices
US7283069B2 (en) * 2006-03-16 2007-10-16 Harris Corporation Method for encoded or encrypted bit stream synchronization
US9294321B2 (en) 2010-05-14 2016-03-22 The Boeing Company Bit signal structure for differentially encoded broadcasts
US8615058B2 (en) * 2011-09-27 2013-12-24 Broadcom Corporation Signal acquisition system
US10216798B2 (en) * 2016-02-24 2019-02-26 Bank Of America Corporation Technical language processor
US10366338B2 (en) 2016-02-24 2019-07-30 Bank Of America Corporation Computerized system for evaluating the impact of technology change incidents
US10366337B2 (en) 2016-02-24 2019-07-30 Bank Of America Corporation Computerized system for evaluating the likelihood of technology change incidents
US10275182B2 (en) * 2016-02-24 2019-04-30 Bank Of America Corporation System for categorical data encoding
US10366367B2 (en) 2016-02-24 2019-07-30 Bank Of America Corporation Computerized system for evaluating and modifying technology change events
US10430743B2 (en) 2016-02-24 2019-10-01 Bank Of America Corporation Computerized system for simulating the likelihood of technology change incidents
US10223425B2 (en) * 2016-02-24 2019-03-05 Bank Of America Corporation Operational data processor
US10387230B2 (en) * 2016-02-24 2019-08-20 Bank Of America Corporation Technical language processor administration
US10019486B2 (en) * 2016-02-24 2018-07-10 Bank Of America Corporation Computerized system for analyzing operational event data
US10067984B2 (en) * 2016-02-24 2018-09-04 Bank Of America Corporation Computerized system for evaluating technology stability
US10275183B2 (en) * 2016-02-24 2019-04-30 Bank Of America Corporation System for categorical data dynamic decoding

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO133170C (de) * 1973-04-13 1976-03-17 Standard Tel Kabelfab As
US3924065A (en) * 1974-04-05 1975-12-02 Information Identification Inc Coherent, fixed BAUD rate FSK communication method and apparatus
US3980824A (en) * 1974-10-29 1976-09-14 Motorola, Inc. Modulator demodulator for binary digitally encoded messages
US4392232A (en) * 1981-09-28 1983-07-05 B-Systems, Inc. Simplified transversal correlator for MSK and MSK related waveforms
US4477912A (en) * 1982-02-12 1984-10-16 Arinc Research Corporation Correlation data communications system

Also Published As

Publication number Publication date
EP0102918A3 (en) 1985-09-04
EP0102918A2 (de) 1984-03-14
EP0102918B1 (de) 1989-04-26
US4527275A (en) 1985-07-02

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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