FR2618963B1 - Recepteur pour communication sur spectre disperse - Google Patents

Recepteur pour communication sur spectre disperse

Info

Publication number
FR2618963B1
FR2618963B1 FR8810311A FR8810311A FR2618963B1 FR 2618963 B1 FR2618963 B1 FR 2618963B1 FR 8810311 A FR8810311 A FR 8810311A FR 8810311 A FR8810311 A FR 8810311A FR 2618963 B1 FR2618963 B1 FR 2618963B1
Authority
FR
France
Prior art keywords
receiver
spectrum communication
disperse
disperse spectrum
communication
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 - Fee Related
Application number
FR8810311A
Other languages
English (en)
Other versions
FR2618963A1 (fr
Inventor
Akazawa Shigeo
Mori Masaharu
Hamatsu Masahiro
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
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 claimed from JP62192216A external-priority patent/JPH0748672B2/ja
Priority claimed from JP62192215A external-priority patent/JPH0750879B2/ja
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of FR2618963A1 publication Critical patent/FR2618963A1/fr
Application granted granted Critical
Publication of FR2618963B1 publication Critical patent/FR2618963B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/70712—Spread spectrum techniques using direct sequence modulation with demodulation by means of convolvers, e.g. of the SAW type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR8810311A 1987-07-31 1988-07-29 Recepteur pour communication sur spectre disperse Expired - Fee Related FR2618963B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62192216A JPH0748672B2 (ja) 1987-07-31 1987-07-31 スペクトラム拡散受信機
JP62192215A JPH0750879B2 (ja) 1987-07-31 1987-07-31 スペクトラム拡散受信機

Publications (2)

Publication Number Publication Date
FR2618963A1 FR2618963A1 (fr) 1989-02-03
FR2618963B1 true FR2618963B1 (fr) 1994-03-18

Family

ID=26507183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8810311A Expired - Fee Related FR2618963B1 (fr) 1987-07-31 1988-07-29 Recepteur pour communication sur spectre disperse

Country Status (4)

Country Link
US (1) US4866734A (fr)
DE (1) DE3825741A1 (fr)
FR (1) FR2618963B1 (fr)
GB (1) GB2208463B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347534A (en) * 1987-07-31 1994-09-13 Clarion Co., Ltd. Automatic gain control system
JPH0193910A (ja) * 1987-10-06 1989-04-12 Clarion Co Ltd 移相器
JPH0748674B2 (ja) * 1988-09-02 1995-05-24 クラリオン株式会社 スペクトラム拡散受信機
JPH07120968B2 (ja) * 1989-02-07 1995-12-20 クラリオン株式会社 スペクトラム拡散通信装置
JPH07120969B2 (ja) * 1989-03-30 1995-12-20 クラリオン株式会社 スペクトラム拡散変調装置
JPH0777361B2 (ja) * 1990-07-04 1995-08-16 クラリオン株式会社 スペクトラム拡散受信装置
US5155741A (en) * 1991-01-31 1992-10-13 The United States Of America As Represented By The Secretary Of The Navy High data rate long pulse compression waveform communication system for M-ary encoding voice messages for air traffic control systems
US5204875A (en) * 1991-07-09 1993-04-20 The United States Of America As Represented By The Secretary Of The Air Force 4-ary correlator, matched filter, and decoder for coherent, direct sequence, spread spectrum applications
US5568473A (en) * 1994-12-08 1996-10-22 Comsat Corporation Method and apparatus for simple and efficient interference cancellation for chip synchronized CDMA

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025772A (en) * 1974-03-13 1977-05-24 James Nickolas Constant Digital convolver matched filter and correlator
US4080660A (en) * 1975-07-11 1978-03-21 James Nickolas Constant Digital signal time scale inversion
US4161033A (en) * 1977-12-22 1979-07-10 Rca Corporation Correlator/convolver using a second shift register to rotate sample values
US4707839A (en) * 1983-09-26 1987-11-17 Harris Corporation Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform
DE3427058A1 (de) * 1984-07-23 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Empfaenger fuer bandgespreizte signale
US4630283A (en) * 1985-07-17 1986-12-16 Rca Corporation Fast acquisition burst mode spread spectrum communications system with pilot carrier
DE3601576A1 (de) * 1986-01-21 1987-07-23 Standard Elektrik Lorenz Ag Empfaenger fuer bandgespreizte signale

Also Published As

Publication number Publication date
GB2208463A (en) 1989-03-30
GB8817882D0 (en) 1988-09-01
DE3825741A1 (de) 1989-02-09
GB2208463B (en) 1991-03-27
FR2618963A1 (fr) 1989-02-03
US4866734A (en) 1989-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse
ST Notification of lapse