AT255295T - Transmitting and receiving spread spectrum signals of continuous phase modulated - Google Patents

Transmitting and receiving spread spectrum signals of continuous phase modulated

Info

Publication number
AT255295T
AT255295T AT95932334T AT95932334T AT255295T AT 255295 T AT255295 T AT 255295T AT 95932334 T AT95932334 T AT 95932334T AT 95932334 T AT95932334 T AT 95932334T AT 255295 T AT255295 T AT 255295T
Authority
AT
Austria
Prior art keywords
transmitting
spread spectrum
continuous phase
phase modulated
spectrum signals
Prior art date
Application number
AT95932334T
Other languages
German (de)
Inventor
Randolph L Durrant
Mark T Burbach
Eugene P Hoyt
Original Assignee
Xircom Wireless Inc
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
Priority to US08/304,091 priority Critical patent/US5648982A/en
Priority to US08/480,167 priority patent/US5629956A/en
Priority to US48682795A priority
Priority to US47646195A priority
Priority to US48090395A priority
Priority to US08/477,480 priority patent/US5692007A/en
Priority to US08/486,824 priority patent/US5963586A/en
Priority to US08/480,443 priority patent/US5754584A/en
Priority to US08/481,613 priority patent/US5659574A/en
Priority to US08/486,883 priority patent/US5754585A/en
Priority to US08/480,914 priority patent/US5832028A/en
Priority to US08/484,007 priority patent/US5757847A/en
Priority to US08/480,442 priority patent/US5627856A/en
Priority to US08/480,668 priority patent/US5610940A/en
Priority to US08/485,638 priority patent/US5680414A/en
Application filed by Xircom Wireless Inc filed Critical Xircom Wireless Inc
Priority to PCT/US1995/010886 priority patent/WO1996008077A1/en
Publication of AT255295T publication Critical patent/AT255295T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/708Parallel implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • H04B1/7093Matched filter type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/20Modulator circuits; Transmitter circuits
    • H04L27/2003Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014Modulator 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2278Demodulator 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/233Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/005Optical Code Multiplex
AT95932334T 1994-09-09 1995-08-25 Transmitting and receiving spread spectrum signals of continuous phase modulated AT255295T (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
US08/304,091 US5648982A (en) 1994-09-09 1994-09-09 Spread spectrum transmitter
US48682795A true 1995-06-07 1995-06-07
US47646195A true 1995-06-07 1995-06-07
US48090395A true 1995-06-07 1995-06-07
US08/477,480 US5692007A (en) 1994-09-09 1995-06-07 Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
US08/486,824 US5963586A (en) 1994-09-09 1995-06-07 Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
US08/480,443 US5754584A (en) 1994-09-09 1995-06-07 Non-coherent spread-spectrum continuous-phase modulation communication system
US08/481,613 US5659574A (en) 1994-09-09 1995-06-07 Multi-bit correlation of continuous phase modulated signals
US08/486,883 US5754585A (en) 1994-09-09 1995-06-07 Method and apparatus for serial noncoherent correlation of a spread spectrum signal
US08/480,914 US5832028A (en) 1994-09-09 1995-06-07 Method and apparatus for coherent serial correlation of a spread spectrum signal
US08/484,007 US5757847A (en) 1994-09-09 1995-06-07 Method and apparatus for decoding a phase encoded signal
US08/480,442 US5627856A (en) 1994-09-09 1995-06-07 Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US08/480,668 US5610940A (en) 1994-09-09 1995-06-07 Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal
US08/485,638 US5680414A (en) 1994-09-09 1995-06-07 Synchronization apparatus and method for spread spectrum receiver
US08/480,167 US5629956A (en) 1994-09-09 1995-06-07 Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
PCT/US1995/010886 WO1996008077A1 (en) 1994-09-09 1995-08-25 Transmission and reception of cpm spread-spectrum communications

Publications (1)

Publication Number Publication Date
AT255295T true AT255295T (en) 2003-12-15

Family

ID=27585553

Family Applications (4)

Application Number Title Priority Date Filing Date
AT03007108T AT430409T (en) 1994-09-09 1995-08-25 Receiving cpm public transmission transmissions
AT03027042T AT451755T (en) 1994-09-09 1995-08-25 Disassembly of a cpm (continuous phase modulation) spreading spectrum signals
AT95932334T AT255295T (en) 1994-09-09 1995-08-25 Transmitting and receiving spread spectrum signals of continuous phase modulated
AT03018224T AT438960T (en) 1994-09-09 1995-08-25 Wireless spreading spectrum communication with preamble signature gap

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT03007108T AT430409T (en) 1994-09-09 1995-08-25 Receiving cpm public transmission transmissions
AT03027042T AT451755T (en) 1994-09-09 1995-08-25 Disassembly of a cpm (continuous phase modulation) spreading spectrum signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT03018224T AT438960T (en) 1994-09-09 1995-08-25 Wireless spreading spectrum communication with preamble signature gap

Country Status (6)

Country Link
EP (10) EP1376970A3 (en)
JP (2) JP3471360B2 (en)
KR (1) KR970705865A (en)
AT (4) AT430409T (en)
CA (1) CA2199525A1 (en)
WO (1) WO1996008077A1 (en)

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DE19708626C2 (en) * 1997-03-04 1999-08-05 Rohde & Schwarz After the spread spectrum radio communication system operating
WO2006054131A1 (en) * 2004-11-19 2006-05-26 Centre National De La Recherche Scientifique (C.N.R.S.) Method for demodulating cpm signals
US7933367B2 (en) 2007-06-04 2011-04-26 Ibiquity Digital Corporation Method and apparatus for implementing seek and scan functions for an FM digital radio signal
US7933368B2 (en) 2007-06-04 2011-04-26 Ibiquity Digital Corporation Method and apparatus for implementing a digital signal quality metric
JP4973402B2 (en) * 2007-09-07 2012-07-11 沖電気工業株式会社 Parallel decoder
CN104716981B (en) * 2015-03-12 2017-05-24 哈尔滨工程大学 A method of capturing method for spread spectrum communication system based on a parallel combination of a parallel synchronization header
CN104682997B (en) * 2015-03-13 2017-05-24 哈尔滨工程大学 Fast Acquisition Spread Spectrum Communication System parallel combination of correlators based method
US9571317B1 (en) 2016-01-20 2017-02-14 Harris Corporation Bandwidth efficient continuous phase modulation

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FR2422287B1 (en) * 1978-04-06 1981-11-06 Materiel Telephonique
DE3131186C2 (en) * 1981-08-06 1987-11-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4583090A (en) * 1981-10-16 1986-04-15 American Diversified Capital Corporation Data communication system
DE3302828A1 (en) * 1983-01-28 1984-08-02 Standard Elektrik Lorenz Ag Empfangsgeraet
US4559606A (en) * 1983-07-11 1985-12-17 International Telephone And Telegraph Corporation Arrangement to provide an accurate time-of-arrival indication for a received signal
US4601047A (en) * 1984-03-23 1986-07-15 Sangamo Weston, Inc. Code division multiplexer using direct sequence spread spectrum signal processing
US4648099A (en) * 1984-12-17 1987-03-03 Allied Corporation Digital minimum shift keyed modulator
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
CA1259430A (en) * 1985-07-19 1989-09-12 Fumio Akashi Multipoint communication system having polling and reservation schemes
US4841544A (en) * 1987-05-14 1989-06-20 The Charles Stark Draper Laboratory, Inc. Digital direct sequence spread spectrum receiver
US4922506A (en) * 1988-01-11 1990-05-01 Sicom Corporation Compensating for distortion in a communication channel
AU617885B2 (en) * 1988-10-24 1991-12-05 Nec Corporation Spectrum spread communication by csk modulation
US5001489A (en) * 1988-11-02 1991-03-19 Westinghouse Electric Corp. Digital phase detector
US5146471A (en) * 1989-03-23 1992-09-08 Echelon Systems Corporation Correlator for spread spectrum communications systems
US5032833A (en) * 1989-04-27 1991-07-16 Schlumberger Industries, Inc. Adaptive network routing for power line communications
CH679718A5 (en) * 1989-10-19 1992-03-31 Ascom Zelcom Ag
US5063571A (en) * 1989-12-27 1991-11-05 Nynex Corporation Method and apparatus for increasing the data rate for a given symbol rate in a spread spectrum system
JP2853230B2 (en) * 1990-01-31 1999-02-03 日本電気株式会社 Digital filter device
US5157686A (en) * 1990-05-24 1992-10-20 Cylink Corporation Method and apparatus for the modulation of spread spectrum radio signals
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5218618A (en) * 1990-11-07 1993-06-08 Hughes Aircraft Company Cellular telephone service using spread spectrum transmission
JPH04347943A (en) * 1990-11-13 1992-12-03 Ricoh Co Ltd Spectrum spread communication system, synchronizing system, and modulating/demodulating system
US5347284A (en) * 1991-02-28 1994-09-13 Texas Instruments Incorporated System and method for a digital navigation satellite receiver
EP0577687A1 (en) * 1991-03-28 1994-01-12 Magellan Corporation (Australia) Pty. Ltd. Identification apparatus and method
US5402413A (en) 1991-04-08 1995-03-28 Omnipoint Corporation Three-cell wireless communication system
US5177765A (en) * 1991-06-03 1993-01-05 Spectralink Corporation Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor
JP3072789B2 (en) * 1991-06-07 2000-08-07 キヤノン株式会社 Wireless switching system
US5467367A (en) * 1991-06-07 1995-11-14 Canon Kabushiki Kaisha Spread spectrum communication apparatus and telephone exchange system
US5151920A (en) * 1991-09-10 1992-09-29 Ncr Corporation Radio LAN station with improved frame delimiter detection in a spread spectrum environment
FR2681204B1 (en) * 1991-09-11 1993-11-26 Snecma Method and apparatus for transmitting two information as part of a said link spread spectrum.
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Also Published As

Publication number Publication date
EP1333589A2 (en) 2003-08-06
EP1376890A2 (en) 2004-01-02
EP1333589B1 (en) 2009-04-29
CA2199525A1 (en) 1996-03-14
JP2004007754A (en) 2004-01-08
JP3471360B2 (en) 2003-12-02
EP1376890B1 (en) 2009-08-05
EP1333590A3 (en) 2004-05-12
EP1339173A3 (en) 2004-05-19
EP1420520A3 (en) 2004-05-26
EP1333589A3 (en) 2004-05-19
EP1333606A3 (en) 2004-05-19
EP1335551A2 (en) 2003-08-13
EP1420520A2 (en) 2004-05-19
KR970705865A (en) 1997-10-09
JP3730236B2 (en) 2005-12-21
EP1420520B1 (en) 2009-12-09
EP1335551A3 (en) 2004-05-19
EP1376970A2 (en) 2004-01-02
EP1333606A2 (en) 2003-08-06
EP1376970A3 (en) 2004-01-14
EP1335550A2 (en) 2003-08-13
AT430409T (en) 2009-05-15
EP1335550A3 (en) 2004-05-19
AT451755T (en) 2009-12-15
EP1376890A3 (en) 2004-01-07
WO1996008077A1 (en) 1996-03-14
EP1333590A2 (en) 2003-08-06
EP0806079B1 (en) 2003-11-26
AT438960T (en) 2009-08-15
JPH10507323A (en) 1998-07-14
EP0806079A1 (en) 1997-11-12
EP0806079A4 (en) 1999-10-13
EP1339173A2 (en) 2003-08-27

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Legal Events

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