Conditional multiplexer

Details Conditional multiplexer Conditional multiplexer

1988-12-23

1990-03-27

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, 370 79, H04J 322

Patent

active

049127020

ABSTRACT:
Conditional multiplexer wherein an input bitstream having a variable bitrate is allowed as part of a multiplexed output bitstream of input bitstreams or not depending on the result of an operation performed by processing means (TPR1) and which consists in calculating an estimated output bandwidth (B2) of said output bitstream from the mean values (mi) and variances (vi) of the probability distribution functions of the bitrates of said input bitstreams and in the subsequent comparison of said estimated output bandwidth (B2) with the maximum allowable output bandwidth (B). Further processing means (RPR1) continuously measure the mean and variance parameters and continuously verify if the sources of the bitstreams operate within the assigned bandwidths.

REFERENCES:
patent: 4813037 (1989-03-01), Debuysscher et al.

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