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ES379773A3 - Sistema de sincronizacion. - Google Patents

Sistema de sincronizacion.

Info

Publication number
ES379773A3
ES379773A3 ES379773A ES379773A ES379773A3 ES 379773 A3 ES379773 A3 ES 379773A3 ES 379773 A ES379773 A ES 379773A ES 379773 A ES379773 A ES 379773A ES 379773 A3 ES379773 A3 ES 379773A3
Authority
ES
Spain
Prior art keywords
signal
received
oscillator
loop
local
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
ES379773A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES379773A3 publication Critical patent/ES379773A3/es
Expired 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
ES379773A 1968-10-03 1970-05-18 Sistema de sincronizacion. Expired ES379773A3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76480068A 1968-10-03 1968-10-03

Publications (1)

Publication Number Publication Date
ES379773A3 true ES379773A3 (es) 1972-09-01

Family

ID=25071818

Family Applications (1)

Application Number Title Priority Date Filing Date
ES379773A Expired ES379773A3 (es) 1968-10-03 1970-05-18 Sistema de sincronizacion.

Country Status (3)

Country Link
US (1) US3621399A (es)
BE (1) BE761880A (es)
ES (1) ES379773A3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934087A (en) * 1972-10-07 1976-01-20 Victor Company Of Japan, Limited Angle modulated wave demodulation system
US3952250A (en) * 1972-11-02 1976-04-20 U.S. Philips Corporation Receiver for a selective paging system
US4077015A (en) * 1976-01-06 1978-02-28 Motorola, Inc. Dual bandwidth loop filter with sweep generator
JP3200547B2 (ja) * 1995-09-11 2001-08-20 株式会社日立製作所 Ｃｄｍａ方式移動通信システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206681A (en) * 1961-10-02 1965-09-14 Electro Mechanical Res Inc Pulse code detecting systems

Also Published As

Publication number Publication date
US3621399A (en) 1971-11-16
BE761880A (fr) 1971-07-22

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