Multiplex transmission system having plurality of nodes and comm

Details Multiplex transmission system having plurality of nodes and comm Multiplex transmission system having plurality of nodes and comm

1994-01-18

1996-03-12

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 858, 370 952, 3701053, 34082508, 371 32, 371 471, 341 69, 341 94, H04L 1240

Patent

active

054992478

ABSTRACT:
A multiplex transmission system includes a plurality of multiplex nodes interconnected by a common multiplex transmission line. Data frames are transmitted among the multiplex nodes through the multiplex transmission line. A data frame transmitted from a sending multiplex node includes a data area which is divided into subdivided areas in accordance with data transmitted therefrom and data transmitted from receiving multiplex nodes which send data in response to a send request, in accordance with the number of data pieces or the number of bits, and the receiving nodes send data to respective subdivided areas in a predetermined order, to thereby carry out a data transmission. Accordingly, the sending multiplex node can simultaneously collect data from the receiving multiplex nodes which are functionally subordinate. When any of the receiving multiplex nodes fails to return an ACK signal, the sending multiplex node retransmits the data frame.

REFERENCES:
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patent: 4914654 (1990-04-01), Matsuda et al.
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patent: 5121396 (1992-06-01), Irvin et al.
patent: 5163056 (1992-11-01), Hagiwara et al.
"Data and Computer Communication" by W. Stallings, Macmillan Publishing comp. pp. 149-152 1988.

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