Satellite communications system carrying out reservation of nece

Details Satellite communications system carrying out reservation of nece Satellite communications system carrying out reservation of nece

1995-12-22

1998-08-04

Hsu, Alpus H.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370346, 370347, 370348, 370349, 370443, H04B 7212, H04J 316

Patent

active

057905355

ABSTRACT:
In a channel access system wherein a common communication channel is divided into frames on each having a predetermined number of time slots which are classified into random access time slots and reservation time slots, a central station including a data selector section (31) carrying out a reservation request for time slots for a destined remote station. A central reservation slot control section (32) generates a central slot assignment table including reservation time slots exclusively for each of the remote stations. A reservation information generating section (33) generates reservation assignment information indicative of the reservation time slots. Each remote station comprises a reservation control section (50) for setting the number of necessary reservation time slots in accordance with conditions of occurrence and storing of remote transmission data thereof. A remote reservation slot control section (53) generates a remote slot assignment table on the basis of the reservation assignment information. A transmission control section (51) transmits, on the basis of the number of the reservation time slots, the remote transmission data with reservation request information suitably added to the remote transmission data on a selected one of the reservation time slots exclusive therefor or the random access time slots.

REFERENCES:
patent: 4736371 (1988-04-01), Tejima et al.
patent: 5065398 (1991-11-01), Takashima
patent: 5278833 (1994-01-01), Crisler et al.
patent: 5295140 (1994-03-01), Crisler et al.
patent: 5297144 (1994-03-01), Gilbert et al.

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