Multiple access, time-division multiplex, satellite communicatio

Details Multiple access, time-division multiplex, satellite communicatio Multiple access, time-division multiplex, satellite communicatio

1979-04-12

1981-09-01

Stewart, David L.

Multiplex communications

Wide area network

Packet switching

370104, H04L 514, H04B 726

Patent

active

042875889

ABSTRACT:
A multiple-access, time-division multiplex, satellite communications system n which the uplink and downlink frequencies are the same.
In each ground station, the outgoing information (be it data, encoded data or digitized samples of the voice frequency signals) are assembled into a sequence of pulses to be transmitted as a burst in the time slot assigned to that particular earth station. If there are n ground stations in the system, n.gtoreq.2, then the duration of each ground station sequence is, on the average, 1/2n times the duration of a complete frame or epoch, because for half of the epoch the satellite is in the receiving mode and the other half of the epoch the satellite is in the transmitting mode.

REFERENCES:
patent: 3827052 (1974-07-01), Tanaka
patent: 3838221 (1974-09-01), Schmidt
patent: 4004098 (1977-01-01), Shimasaki
patent: 4037158 (1977-07-01), Eastmond
patent: 4062016 (1977-12-01), Kotezawa
patent: 4145657 (1979-03-01), Hanni

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