JPS5197316A - Eiseitsushinniokeru shuhasudokihoshiki - Google Patents

Eiseitsushinniokeru shuhasudokihoshiki

Info

Publication number
JPS5197316A
JPS5197316A JP50021867A JP2186775A JPS5197316A JP S5197316 A JPS5197316 A JP S5197316A JP 50021867 A JP50021867 A JP 50021867A JP 2186775 A JP2186775 A JP 2186775A JP S5197316 A JPS5197316 A JP S5197316A
Authority
JP
Japan
Prior art keywords
shuhasudokihoshiki
eiseitsushinniokeru
eiseitsushinniokeru shuhasudokihoshiki
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.)
Pending
Application number
JP50021867A
Other languages
English (en)
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 filed Critical
Priority to JP50021867A priority Critical patent/JPS5197316A/ja
Priority to US05/659,362 priority patent/US4019138A/en
Publication of JPS5197316A publication Critical patent/JPS5197316A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
JP50021867A 1975-02-24 1975-02-24 Eiseitsushinniokeru shuhasudokihoshiki Pending JPS5197316A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50021867A JPS5197316A (en) 1975-02-24 1975-02-24 Eiseitsushinniokeru shuhasudokihoshiki
US05/659,362 US4019138A (en) 1975-02-24 1976-02-19 Frequency synchronizing system for satellite communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50021867A JPS5197316A (en) 1975-02-24 1975-02-24 Eiseitsushinniokeru shuhasudokihoshiki

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP55115929A Division JPS581575B2 (ja) 1980-08-25 1980-08-25 衛星通信における周波数同期方式

Publications (1)

Publication Number Publication Date
JPS5197316A true JPS5197316A (en) 1976-08-26

Family

ID=12067064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50021867A Pending JPS5197316A (en) 1975-02-24 1975-02-24 Eiseitsushinniokeru shuhasudokihoshiki

Country Status (2)

Country Link
US (1) US4019138A (ja)
JP (1) JPS5197316A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129519A (en) * 1981-02-04 1982-08-11 Nec Corp Automatic frequency controlling circuit
JPS6471223A (en) * 1987-09-11 1989-03-16 Toshiba Corp Synchronizing system for digital satellite communication system
JPH01106648A (ja) * 1987-10-20 1989-04-24 Nec Corp 網同期方式

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH583485A5 (ja) * 1975-04-28 1976-12-31 Autophon Ag
FR2344031A1 (fr) * 1976-03-12 1977-10-07 Trt Telecom Radio Electr Appareil a modulation de frequence destine a des mesures de distance de haute precision
GB1583342A (en) * 1976-07-30 1981-01-28 Marconi Co Ltd Satellite communication systems
JPS5324713A (en) * 1976-08-20 1978-03-07 Alps Electric Co Ltd Ssb transceiver
US4231114A (en) * 1978-02-27 1980-10-28 Motorola, Inc. Synchronizing means for a two-way communication system
US4229824A (en) * 1978-07-21 1980-10-21 Cubic Corporation Method and apparatus for synchronizing electrical signals
US4229741A (en) * 1979-03-12 1980-10-21 Motorola, Inc. Two-way communications system and method of synchronizing
US4656666A (en) * 1979-10-01 1987-04-07 Piekenbrock Lawrence J Method and apparatus for handling information
US4361886A (en) * 1980-07-31 1982-11-30 The United States Of America As Represented By The Secretary Of The Army Satellite communication system
US4484154A (en) * 1981-09-04 1984-11-20 Rockwell International Corporation Frequency control with a phase-locked-loop
FR2524228A1 (fr) * 1982-03-26 1983-09-30 Thomson Csf Systeme de telecommunications par satellite
SE435438B (sv) * 1982-12-09 1984-09-24 Ericsson Telefon Ab L M Forfarande for instellning av radiosendare pa samtidig sendning
US4775995A (en) * 1986-12-22 1988-10-04 Motorola, Inc. Adaptive splatter control
US4903324A (en) * 1988-02-01 1990-02-20 Colin Electronics Co., Ltd. Ring around transceiver
WO1990013183A1 (en) * 1989-04-18 1990-11-01 Qualcomm Incorporated Current carrier tractor-trailer data link
JPH0422225A (ja) * 1990-05-17 1992-01-27 Sony Corp 通信方式
US5245610A (en) * 1991-05-20 1993-09-14 Ericsson Ge Mobile Communications, Inc. Digital radio mobile frequency supervision
FR2697700B1 (fr) * 1992-11-03 1994-12-16 Alcatel Radiotelephone Dispositif de correction d'un décalage de fréquence dû à l'effet Doppler dans un système de transmission.
AU685129B2 (en) * 1993-06-07 1998-01-15 Alcatel Mobile Phones Communication system with signalling packet including a reference signal modulated in accordance with time-dependent law
FR2706232B1 (fr) * 1993-06-07 1995-07-13 Alcatel Mobile Comm France Paquet de signalisation pour un système de communication.
US6529485B1 (en) * 1997-10-20 2003-03-04 Viasat, Inc. Method for generation of accurate doppler-free local clock in satellite/wireless networks
US6963548B1 (en) * 2000-04-17 2005-11-08 The Directv Group, Inc. Coherent synchronization of code division multiple access signals
US6941138B1 (en) 2000-09-05 2005-09-06 The Directv Group, Inc. Concurrent communications between a user terminal and multiple stratospheric transponder platforms
US6891813B2 (en) 2000-12-12 2005-05-10 The Directv Group, Inc. Dynamic cell CDMA code assignment system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430237A (en) * 1967-11-24 1969-02-25 Nasa Time division multiplex system
DE1905532B2 (de) * 1968-10-16 1971-06-03 Schaltung zur synchronisierung der takt und oder traeger frequenz bei der impulsbuendelweisen uebertragung von digi talen signalen ueber nachrichten satelliten zwischen meh reren bodenstationen mittels zeitmultiplex
GB1390084A (en) * 1972-07-01 1975-04-09 Marconi Co Ltd Signal transmission systems
US3835253A (en) * 1972-07-10 1974-09-10 Rca Corp Television communication system with time delay compensation
US3940695A (en) * 1974-11-18 1976-02-24 Rca Corporation Doppler correction of transmission frequencies

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129519A (en) * 1981-02-04 1982-08-11 Nec Corp Automatic frequency controlling circuit
JPS6322643B2 (ja) * 1981-02-04 1988-05-12 Nippon Denki Kk
JPS6471223A (en) * 1987-09-11 1989-03-16 Toshiba Corp Synchronizing system for digital satellite communication system
JPH01106648A (ja) * 1987-10-20 1989-04-24 Nec Corp 網同期方式

Also Published As

Publication number Publication date
US4019138A (en) 1977-04-19

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