Distributed multi-port communications system

Details Distributed multi-port communications system Distributed multi-port communications system

1980-03-06

1982-07-20

Brown, Thomas W.

Multiplex communications

Wide area network

Packet switching

370 85, 370 96, H04J 316

Patent

active

043409610

ABSTRACT:
The terminals in a distributed multi-port communications system are connected by a common communication channel such as found on a broadcast coaxial cable. The terminals communicate with one another during sequential poll cycles to fulfill low data rate requirements or during a burst cycle to fulfill high data rate requirements. Each poll cycle includes a number of time slots with at least one time slot assigned to each terminal during which it can transmit data to any other terminal or request for a burst cycle. The burst cycles are allotted to requesting terminals in accordance with a predetermined priority. During the burst cycle, whose length varies in time with respect to the poll cycle, data are transmitted at a high data rate.

REFERENCES:
patent: 3851104 (1974-11-01), Willard et al.
patent: 4071711 (1978-01-01), Beaupre et al.
patent: 4156106 (1979-05-01), Bumgardner
patent: 4161786 (1979-07-01), Hopkins et al.
patent: 4262357 (1981-04-01), Shima

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