FR2354032A5 - Procede pour la synchronisation d'un systeme de transmission et systeme de transmission correspondant - Google Patents

Procede pour la synchronisation d'un systeme de transmission et systeme de transmission correspondant

Info

Publication number
FR2354032A5
FR2354032A5 FR7139774A FR7139774A FR2354032A5 FR 2354032 A5 FR2354032 A5 FR 2354032A5 FR 7139774 A FR7139774 A FR 7139774A FR 7139774 A FR7139774 A FR 7139774A FR 2354032 A5 FR2354032 A5 FR 2354032A5
Authority
FR
France
Prior art keywords
transmission system
synchronizing
procedure
corresponding transmission
transmission
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
FR7139774A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of FR2354032A5 publication Critical patent/FR2354032A5/fr
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
    • 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
    • H04B7/212—Time-division multiple access [TDMA]
    • H04B7/2125—Synchronisation
    • 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)
  • Time-Division Multiplex Systems (AREA)
FR7139774A 1970-11-06 1971-11-05 Procede pour la synchronisation d'un systeme de transmission et systeme de transmission correspondant Expired FR2354032A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2054734A DE2054734C1 (de) 1970-11-06 1970-11-06 Verfahren zur Synchronisation eines Übertragungssystems

Publications (1)

Publication Number Publication Date
FR2354032A5 true FR2354032A5 (fr) 1977-12-30

Family

ID=5787392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7139774A Expired FR2354032A5 (fr) 1970-11-06 1971-11-05 Procede pour la synchronisation d'un systeme de transmission et systeme de transmission correspondant

Country Status (7)

Country Link
US (1) US4121159A (fr)
CA (1) CA1033475A (fr)
DE (1) DE2054734C1 (fr)
FR (1) FR2354032A5 (fr)
GB (1) GB1497859A (fr)
IT (1) IT1019518B (fr)
NL (1) NL160132C (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538281A (en) * 1982-05-06 1985-08-27 Rockwell International Corporation Adaptive acquisition of multiple access codes
JPS6393233A (ja) * 1986-10-08 1988-04-23 Oki Electric Ind Co Ltd スペクトル拡散通信システム
JPH0671241B2 (ja) * 1987-09-10 1994-09-07 株式会社ケンウッド スペクトラム拡散通信の初期同期方式
JPS6484933A (en) * 1987-09-26 1989-03-30 Kenwood Corp Receiver
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US6693951B1 (en) 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
US5260967A (en) * 1992-01-13 1993-11-09 Interdigital Technology Corporation CDMA/TDMA spread-spectrum communications system and method
US5930230A (en) 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US6396804B2 (en) 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US6388482B1 (en) 2000-06-21 2002-05-14 Infineon Technologies North America Corp. DLL lock scheme with multiple phase detection
EP1596715B1 (fr) * 2003-02-17 2008-04-09 PP-Technologies AG Appareil de mesure de profils de pression
US6980789B2 (en) * 2003-12-04 2005-12-27 Broadcom Corp. Divider module for use in an oscillation synthesizer
JP4826968B2 (ja) 2005-06-29 2011-11-30 エスティー‐エリクソン、ソシエテ、アノニム 適合性の基準周波数補正による同期方式
US10531052B2 (en) 2017-01-27 2020-01-07 Live Earth Imaging Enterprises, L.L.C. Real-time satellite imaging system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305636A (en) * 1963-05-14 1967-02-21 James E Webb Phase-shift data transmission system having a pseudo-noise sync code modulated with the data in a single channel
US3432619A (en) * 1963-07-31 1969-03-11 Ibm Random-access communication system employing pseudo-random signals
US3706933A (en) * 1963-09-17 1972-12-19 Sylvania Electric Prod Synchronizing systems in the presence of noise
US3475558A (en) * 1964-09-01 1969-10-28 Magnavox Co Time gated pseudonoise multiplexing system
US3447085A (en) * 1965-01-04 1969-05-27 Gen Dynamics Corp Synchronization of receiver time base in plural frequency differential phase shift system
US3509471A (en) * 1966-11-16 1970-04-28 Communications Satellite Corp Digital phase lock loop for bit timing recovery
US3617892A (en) * 1967-02-27 1971-11-02 Rca Corp Frequency modulation system for spreading radiated power
US3566268A (en) * 1968-02-09 1971-02-23 Nasa Rapid sync-acquisition system
US3588747A (en) * 1968-10-16 1971-06-28 Gen Electric Wideband composite frequency modulator
US3665472A (en) * 1969-10-08 1972-05-23 Sperry Rand Corp Two-way communication system employing two-clock frequency pseudo-noise signal modulation
US3713025A (en) * 1969-12-04 1973-01-23 Avco Corp Phase slip corrector means and method for synchronization of pseudorandom generating means in multistation networks

Also Published As

Publication number Publication date
NL7115043A (nl) 1977-11-30
GB1497859A (en) 1978-01-12
NL160132B (nl) 1979-04-17
CA1033475A (fr) 1978-06-20
US4121159A (en) 1978-10-17
IT1019518B (it) 1977-11-30
NL160132C (nl) 1979-09-17
DE2054734C1 (de) 1980-10-23

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Legal Events

Date Code Title Description
ST Notification of lapse