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Rate Distortion Optimized Joint ARQ-FEC Scheme for Real-Time Wireless Multimedia
 

Summary: Rate Distortion Optimized Joint ARQ-FEC Scheme
for Real-Time Wireless Multimedia
Hulya Seferoglu*, Yucel Altunbasak, Ozgur Gurbuz*, Ozgur Ercetin*
School of Electrical and Computer Engineering
Georgia Institute of Technology,
Atlanta, Georgia 30332-0250
Email: yucel@ece.gatech.edu
* Faculty of Engineering Natural Sciences,
Sabanci University,
Istanbul 34956, TURKEY
Email: seferoglu@su.sabanciuniv.edu, ogurbuz,oercetin@sabanciuniv.edu
Abstract-- In this paper, we investigate rate distortion opti-
mized streaming of H.264 coded video sequences over time-
varying wireless channels. Our main objective is to minimize av-
erage end-to-end distortion to satisfy a certain Quality of Service
(QoS) by considering the media and channel characteristics such
as packet importance, packet dependencies, decoding deadlines,
channel state information and channel capacity. In particular, we
propose a sender-driven optimized joint ARQ-FEC scheme that
decides on packet transmissions, re-transmissions as well as the

  

Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology
Markopoulou, Athina - Department of Electrical and Computer Engineering, University of California, Irvine

 

Collections: Engineering