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Distortion-optimized scheduling of packet video for internet streaming with TCP

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1 Author(s)
Argyriou, A. ; Philips Research, Eindhoven, The Netherlands

In this paper, we propose a scheduling algorithm for improving the performance of packetized video streaming with the transmission control protocol (TCP). The scheduling algorithm estimates the effect of TCP-induced losses on the expected decoder distortion, and makes distortion-optimized scheduling decisions for future transmissions of media packets. The novel characteristic of our approach is that the scheduling algorithm calculates the probability of decoding failure for a specific media packet, by considering the effect of TCP internal mechanisms both at the sender and the receiver. Our objective is to maximize the quality at the decoder for a given startup delay and playback buffer size. Experiments show that decoded video quality is significantly improved when compared with TCP streaming systems that ignore the dynamic behavior of the protocol.

Published in:

Packet Video 2007

Date of Conference:

12-13 Nov. 2007

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