Industry track: adaptive wireless video streaming proxy for home entertainment networks

Authors:
Richard Y. Chen;Pei Liu;Karl Wittig;Rüdiger Schmitt
Affiliations:
Philips Research North America, Briarcliff Manor, NY;Polytechnic University, Brooklyn, NY;Philips Research North America when this work was conducted;Philips Research North America, Briarcliff Manor, NY
Venue:
WICON '06 Proceedings of the 2nd annual international workshop on Wireless internet
Year:
2006

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Abstract

In this paper, we propose an adaptive wireless video streaming proxy (AWVSP) for distributing broadcast quality video coded using conventional non-scalable MPEG profiles. A fast Rate-Distortion optimized Data Partitioning (RDDP) algorithm is employed to dynamically adapt the data rate of the MPEG video in real-time to sporadically varying wireless channel. A rate-matching algorithm is used to determine the adaptive data rate based on transmission buffer-occupancy. Our simulation results indicate the superior performance of the proposed AWVSP in terms of perceived video quality measured in both PSNR and playback smoothness.