Multiplex communications – Wide area network – Packet switching
Patent
1991-10-04
1993-10-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 79, 370 84, 370 941, H04J 322
Patent
active
052512177
ABSTRACT:
A telecommunications system for information having a variable structure. The system uses at least one frequency channel for transmitting each second N.sub.T transmission packets to subscriber arrangements. These packets are formed by n.sub.t bits and are allocated to subscriber arrangements themselves producing 1/Ts information packets of n.sub.s bits per second. The system includes a time-division multiplex circuit (10) for multiplexing the information signals coming from subscriber arrangements (SPA1, CIA2, . . . , SPAm . . . ) and, alternatively, a demultiplex circuit (28) for distributing the time-division multiplex information signals to subscriber arrangements. Interleaving circuits are coupled to the multiplex circuit for inserting, into an allocated transmission packet, bits of different information packets allocated to the same subscriber arrangement. De-interleaving circuits coupled to the demultiplex circuit perform the reverse operation.
REFERENCES:
patent: 3213201 (1965-10-01), Flood et al.
patent: 4312070 (1982-01-01), Coombes et al.
patent: 4713804 (1987-11-01), Servel et al.
patent: 5062105 (1991-10-01), McKnight et al.
Briand Jacques
Guedes Yvon
Travers Jean-Francois
Blum Russell W.
Olms Douglas W.
Treacy David R.
U.S. Philips Corporation
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