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Distributed media-aware rate allocation for wireless video streaming

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2 Author(s)
Xiaoqing Zhu ; Inf. Syst. Lab., Stanford Univ., Stanford, CA, USA ; Girod, B.

This paper addresses the rate allocation problem for wireless video streaming. Results from a simple subjective viewing test indicate that perceptually preferred allocation can be closely approximated by minimizing the total mean-squared-error (MSE) distortion of all participating streams. This finding motivates the design of a distributed media-aware rate allocation protocol, which achieves the optimal solution by allowing cross-layer information exchange between the video end hosts and relaying wireless nodes. Various network simulation results confirm the effectiveness of the proposed scheme, which consistently outperforms conventional media-unaware TCP-friendly Rate Control (TFRC).

Published in:

Picture Coding Symposium, 2009. PCS 2009

Date of Conference:

6-8 May 2009

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