Multiplex communications – Wide area network – Packet switching
Patent
1988-09-26
1990-06-26
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 951, 370 857, 3701041, H04J 316
Patent
active
049378198
ABSTRACT:
Apparatus and method for time division multiple access in a multidrop system with multiple host applications employing half-duplex polled protocols is disclosed. Ranging with respect to time is used so as to reduce guard time between successive transmissions thereby increasing system efficiency. Host applications can request extra time slots for long messages via a request bit within the message format.
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A.T. & T. Paradyne
Hsu Alpus H.
Olms Douglas W.
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