State information communication in a TDMA satellite communicatio

Details State information communication in a TDMA satellite communicatio State information communication in a TDMA satellite communicatio

1985-05-13

1987-12-22

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104, H04J 306

Patent

active

047150335

ABSTRACT:
In each terrestrial station (12), a collecting circuit (97) collects those state information signals as a collected signal which represent states of operation of communication devices (94, 95). A state information signal sending device (101) sends the collected signal in a state information time slot which is predetermined in a TDMA frame outwardly of a standard/synchronization burst part and a data burst part for a standard earth station (10) and all terrestrial stations. The state information time slot is selected in different TDMA frames by the terrestrial stations. A central supervise/control apparatus (40) accompanying the standard earth station monitors the terrestrial station in response to the collected signals extracted from the respective TDMA frames. An alarm signal sending device (115) may send an alarm signal representative of an extraordinary state of operation in a synchronization burst of the terrestrial station in question. In this event, the standard earth station prevents other terrestrial stations from sending their respective collected signals during a predetermined time duration.

REFERENCES:
patent: 4455651 (1984-06-01), Baran
patent: 4574378 (1986-03-01), Kobayashi
patent: 4574379 (1986-03-01), Eng et al.
patent: 4577316 (1986-03-01), Schiff

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