H - Electricity – 04 – M
Patent
H - Electricity
04
M
363/10.2
H04M 9/02 (2006.01) H04L 12/413 (2006.01)
Patent
CA 1257020
23 ABSTRACT "Method, station and system for the transmission of messages in the form of data packets." A method of transmitting data packets in a message- switched channel (signalling channel) of a time-division multiplex system with CSMA-CD. Interference-free transmission in the message- switched channel ensures the absence of collisions on occupying the circuit-switched connection. Message mutilation and collision on accessing the message-switched channel are remedied by a retransmission procedure in which the unique station address number determines the frame number in which the retransmission may start. This procedure guarantees that a station accesses the message-switched channel within a very short period of time. This guaranteed access is not possible with the prior art CSMA-CD buses.
487496
Bourgonje Wouter
Janssen Daniel J.g.
Van Reede Willem A.
Vossen Johannes A.a.
N.v.philips'gloeilampenfabrieken
Van Steinburg C.e.
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