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FR2712129B1 - Procédé de transmission à modulation de phase synchrone et à étalement de spectre par séquence directe, émetteur et récepteur correspondants et composant pour ce récepteur. - Google Patents

Procédé de transmission à modulation de phase synchrone et à étalement de spectre par séquence directe, émetteur et récepteur correspondants et composant pour ce récepteur.

Info

Publication number
FR2712129B1
FR2712129B1 FR9313001A FR9313001A FR2712129B1 FR 2712129 B1 FR2712129 B1 FR 2712129B1 FR 9313001 A FR9313001 A FR 9313001A FR 9313001 A FR9313001 A FR 9313001A FR 2712129 B1 FR2712129 B1 FR 2712129B1
Authority
FR
France
Prior art keywords
receiver
component
transmission method
spread spectrum
phase modulation
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
FR9313001A
Other languages
English (en)
Other versions
FR2712129A1 (fr
Inventor
Roy Alain Le
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR9313001A priority Critical patent/FR2712129B1/fr
Publication of FR2712129A1 publication Critical patent/FR2712129A1/fr
Application granted granted Critical
Publication of FR2712129B1 publication Critical patent/FR2712129B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
    • H03H9/0038—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR9313001A 1993-11-02 1993-11-02 Procédé de transmission à modulation de phase synchrone et à étalement de spectre par séquence directe, émetteur et récepteur correspondants et composant pour ce récepteur. Expired - Fee Related FR2712129B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9313001A FR2712129B1 (fr) 1993-11-02 1993-11-02 Procédé de transmission à modulation de phase synchrone et à étalement de spectre par séquence directe, émetteur et récepteur correspondants et composant pour ce récepteur.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9313001A FR2712129B1 (fr) 1993-11-02 1993-11-02 Procédé de transmission à modulation de phase synchrone et à étalement de spectre par séquence directe, émetteur et récepteur correspondants et composant pour ce récepteur.

Publications (2)

Publication Number Publication Date
FR2712129A1 FR2712129A1 (fr) 1995-05-12
FR2712129B1 true FR2712129B1 (fr) 1995-12-01

Family

ID=9452407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9313001A Expired - Fee Related FR2712129B1 (fr) 1993-11-02 1993-11-02 Procédé de transmission à modulation de phase synchrone et à étalement de spectre par séquence directe, émetteur et récepteur correspondants et composant pour ce récepteur.

Country Status (1)

Country Link
FR (1) FR2712129B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903613B2 (en) 1995-06-30 2011-03-08 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US8737363B2 (en) 1995-06-30 2014-05-27 Interdigital Technology Corporation Code division multiple access (CDMA) communication system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2742014B1 (fr) 1995-12-04 1998-01-09 Commissariat Energie Atomique Circuit numerique pour recepteur differentiel de signaux a etalement de spectre par sequence directe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912722A (en) * 1988-09-20 1990-03-27 At&T Bell Laboratories Self-synchronous spread spectrum transmitter/receiver
US5081642A (en) * 1990-08-06 1992-01-14 Omnipoint Data Company, Incorporated Reciprocal saw correlator method and apparatus
US5228056A (en) * 1990-12-14 1993-07-13 Interdigital Technology Corporation Synchronous spread-spectrum communications system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903613B2 (en) 1995-06-30 2011-03-08 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US8737363B2 (en) 1995-06-30 2014-05-27 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US9564963B2 (en) 1995-06-30 2017-02-07 Interdigital Technology Corporation Automatic power control system for a code division multiple access (CDMA) communications system

Also Published As

Publication number Publication date
FR2712129A1 (fr) 1995-05-12

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Legal Events

Date Code Title Description
ST Notification of lapse