FR934944A - Improvements to radio communications systems - Google Patents

Improvements to radio communications systems

Info

Publication number
FR934944A
FR934944A FR934944DA FR934944A FR 934944 A FR934944 A FR 934944A FR 934944D A FR934944D A FR 934944DA FR 934944 A FR934944 A FR 934944A
Authority
FR
France
Prior art keywords
communications systems
radio communications
radio
systems
communications
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
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co 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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR934944A publication Critical patent/FR934944A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2681—Synchronisation of a mobile station with one base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
FR934944D 1945-12-11 1946-10-18 Improvements to radio communications systems Expired FR934944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US634359A US2457986A (en) 1945-12-11 1945-12-11 Synchronization of time division multiplex communication system

Publications (1)

Publication Number Publication Date
FR934944A true FR934944A (en) 1948-06-04

Family

ID=24543457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934944D Expired FR934944A (en) 1945-12-11 1946-10-18 Improvements to radio communications systems

Country Status (5)

Country Link
US (1) US2457986A (en)
BE (1) BE468900A (en)
FR (1) FR934944A (en)
GB (1) GB627998A (en)
NL (1) NL77143C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803006A (en) * 1946-03-11 1957-08-13 William J Jacobi Radio system for relaying information signals
US2597038A (en) * 1947-11-19 1952-05-20 Int Standard Electric Corp Two-way electric pulse communication system
US2710892A (en) * 1949-05-20 1955-06-14 Bell Telephone Labor Inc Speech transmission system
GB669227A (en) * 1950-05-18 1952-04-02 Standard Telephones Cables Ltd Improvements in or relating to electric multi-channel pulse communication systems
US2956128A (en) * 1951-08-22 1960-10-11 Bell Telephone Labor Inc Heterodyne systems employing trains of pulses
US2872520A (en) * 1952-09-06 1959-02-03 Gen Dynamics Corp Multiplex communication system
US3050586A (en) * 1960-05-20 1962-08-21 Bell Telephone Labor Inc Reciprocal timing of time division switching centers
US3540049A (en) * 1967-10-26 1970-11-10 Bell Telephone Labor Inc Hybridless signal transfer circuits
US3532988A (en) * 1969-01-23 1970-10-06 Motorola Inc Digital troposcatter multiplex communication system optimum frequency

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2118161A (en) * 1935-12-24 1938-05-24 Bell Telephone Labor Inc Receiving system for frequency modulated waves
US2199179A (en) * 1936-11-27 1940-04-30 Rca Corp Single channel two-way communication system
US2418116A (en) * 1943-12-20 1947-04-01 Standard Telephones Cables Ltd Multiplex synchronizing system

Also Published As

Publication number Publication date
US2457986A (en) 1949-01-04
BE468900A (en)
GB627998A (en) 1949-08-19
NL77143C (en)

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