Method and system for providing access by secondary stations to

Details Method and system for providing access by secondary stations to Method and system for providing access by secondary stations to

1995-05-02

1997-01-21

Olms, Douglas W.

Multiplex communications

Channel assignment techniques

Polling

34082508, H04Q 900

Patent

active

055965776

ABSTRACT:
A method for providing access by secondary stations (12, 14, 16) to a shared transmission medium, maintains a list of secondary stations (12, 14, 16). A poll is transmitted poll by a primary station (10) to one of the secondary stations (12, 14, 16). The secondary station (12, 14, 16) waits for a poll, examines the transmission allocation, determines if there is congestion and transmits, along with the data in response to the poll, information regarding congestion. A system for providing such access includes a primary station (10) and a plurality of secondary stations (12, 14, 16). The primary station includes a polling controller (30), a receiver (32), a transmitter (34), a summer (36), a secondary station poll list database (38) and a data traffic controller (40).

REFERENCES:
patent: 4683531 (1987-07-01), Kelch et al.
patent: 4736371 (1988-04-01), Tejima et al.
patent: 4829297 (1989-05-01), Ilg et al.
patent: 4940974 (1990-07-01), Sojka

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