Fair bandwidth sharing for video traffic sources using distribut

Details Fair bandwidth sharing for video traffic sources using distribut Fair bandwidth sharing for video traffic sources using distribut

1995-11-09

2000-06-13

Ton, Dang

Multiplex communications

Data flow congestion prevention or control

348405, G01R 3108, G06F 1100, G08C 1500, H04J 116

Patent

active

06075768&

ABSTRACT:
An apparatus and method providing fair bandwidth sharing by adjusting video image quality in a data packet network includes a network load detector for detecting a network load and a video encoding circuit. The network load has an uncongested state, a loaded state and a congested state. The video encoding circuit adjusts a video quality to a target video quality, by increasing the video quality when the network load is in the uncongested state and decreasing the video quality when the network load is in the congested state. The video quality is determined as a peak mean squared error between an uncompressed image and a corresponding decoded image. The network load is detected by using a forward explicit congestion notification bit.

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