Communication system for varying timing offset to accommodate va

Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater

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Details

455 675, 455 69, H04B 7185

Patent

active

056406720

ABSTRACT:
In a communication system for transmitting and receiving burst signal between a round-trip satellite and a ground station, upon transmission of a transmitting burst signal from the round-trip satellite, a standard time upon transmission is added to the transmitting burst signal. In the ground station, the time data added to the transmitting burst data is extracted and compared with the standard time upon reception to derive a transmission delay period. A transmission timing of a burst signal to be transmitted from the own station is controlled depending upon the transmission delay period. By this, even when a distance between the ground station and the round-trip satellite is varied, overlapping of the burst signals in the time slots on the same time axis can be successfully avoided. Also, a guard time can be shortened to contribute for improvement of the transmission efficiency.

REFERENCES:
patent: 4346470 (1982-08-01), Alvarez, III et al.

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