Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Patent
1997-06-26
1999-02-23
To, Doris H.
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
455422, 455427, 455455, 455 121, 455525, 455 70, 375200, 375356, 370350, H04B 100
Patent
active
058754024
ABSTRACT:
A time-synchronous communication system comprises: fixed stations having distance measuring/time reference synchronization and maintaining unit, receiving/processing unit, transmitting/processing unit, and communication data processing management unit; mobile stations having distance measuring/time reference synchronization and maintaining unit, transmitting/processing unit, receiving/processing unit, and communication data processing management unit; and relay stations having distance measuring radio wave transmitting/processing unit, time reference synchronization and maintaining unit, and radio wave relay unit for relaying transmission radio waves from the fixed stations and the mobile station. Each mobile station selects a specific fixed station communication radio wave from communication radio waves transmitted from the fixed stations by determining a mobile station reception timing to perform receiving/processing operation, and selects specific relay and fixed stations from the relay stations and the fixed stations by controlling a mobile station transmission timing to be synchronized with a reception timing determined by the specific fixed station to perform communication.
REFERENCES:
patent: 5128925 (1992-07-01), Dornstetter et al.
patent: 5509016 (1996-04-01), Muller
National Space Dev. Agency of Japan
To Doris H.
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