Dual bus switching

Details Dual bus switching Dual bus switching

1993-06-01

1995-06-06

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 852, 34082501, 371 82, 371 671, 375347, 455133, H04Q 1100, H04J 1500

Patent

active

054228778

ABSTRACT:
A multiplexer receives a message from a first bus and a message from a second bus, wherein a preamble is received at the head of each message, compares the preamble from each bus against an ideal preamble and, prior to receiving the next bit in either message, provides to a transceiver the message which is least noisy as indicated by the comparison; if the preamble in the message on the bus presently selected for reception by the transceiver does not compare favorably with the ideal preamble, the message from the other bus is selected.

REFERENCES:
patent: 4144410 (1979-03-01), Flickinger et al.
patent: 4532625 (1985-07-01), Stover
patent: 4543654 (1985-09-01), Jones
patent: 4752927 (1988-06-01), Melling, Jr.
patent: 5027350 (1991-06-01), Marshall
patent: 5251203 (1993-10-01), Thompson

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