Multiplex communications – Wide area network – Packet switching
Patent
1985-07-17
1987-06-09
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 95, H04J 326
Patent
active
046726063
ABSTRACT:
Data packets are transmitted over a time-division multiplex system with CSMA-CD connecting multiple stations and having a signaling channel and message-switch channels. Collisions caused by simultaneous attempts by two or more stations to access the system for transmission are limited to the signaling channel, and are remedied by a retransmission procedure in which the unique station address number determines the frame number in which retransmission may start. This procedure guarantees that a station can access a message-switched channel within a short period of time.
REFERENCES:
patent: 4536875 (1985-08-01), Kume et al.
patent: 4586176 (1986-04-01), Miyao
Bourgonje Wouter
Janssen Daniel J. G.
van Reede Willem A.
Vossen Johannes A. A.
Olms Douglas W.
Treacy David R.
U.S. Philips Corporation
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