Multiplex communications – Wide area network – Packet switching
Patent
1988-11-08
1990-07-10
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 941, H04J 326
Patent
active
049411438
ABSTRACT:
A network for sensing, communicating and controlling having a plurality of cells which communicate with packets. A packet requesting acknowledgements is transmitted to a plurality of destination cells. The transmitting cell listens for acknowledgements from the destination cells. The transmitting cell waits a predetermined period of time to receive the acknowledgements and then infers that a collision has occurred if a reply is not received from any of the destination cells. Different actions are taken by the transmitting cells as a result of the inference of collision as opposed to a case where the cell receives an acknowledgement from at least one destination cell.
REFERENCES:
patent: 4622550 (1986-11-01), O'Connor et al.
patent: 4689785 (1987-08-01), Toyowaga et al.
patent: 4689786 (1987-08-01), Sidhu et al.
Sander Wendell B.
Twitty William B.
Echelon Systems Corp.
Marcelo Melvin
Olms Douglas W.
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