Multiplex communications – Wide area network – Packet switching
Patent
1991-12-09
1993-05-18
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
370102, H04J 316
Patent
active
052126870
ABSTRACT:
The arrangement multiplexes channels of differing bit rates onto a multiplex line. Channels are split according to a table assembled in a channel splitter. The table has a plurality of lines numbered by an index j. Each line j contains j .DELTA..sub.i, j .DELTA.S, and j .DELTA.X, where .DELTA..sub.i =di/dMAX, .DELTA.S=dS/dMAX, and .DELTA.X=dX/dMAX, i is an index numbering the multiplex channel, di is the bit rate of the channel i, dS is the rate of the service data, dMAX is the fastest of the di and dS, ##EQU1## and dTDM is the bit rate of the multiplex line. The table is assembled until each quantity on the line j exceeds VS, where VS=1+.epsilon.. Access to the multiplex line is given to the channel for the values of i where j.multidot..DELTA..sub.i >kVS+.epsilon., where k is an integer which is incremented each time access is given to the multiplex line and .epsilon. is a fixed value preferably equal to zero.
REFERENCES:
patent: 3982077 (1976-09-01), Clark et al.
patent: 4460993 (1984-07-01), Hampton
Barschall Anne E.
Safourek Benedict V.
U. S. Philips Corporation
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