Share on Facebook Tweet on Twitter Share on LinkedIn Share by email
Application layer error correction coding for rate-distortion optimized streaming to wireless clients

Jacob Chakareski and Philip A. Chou

Abstract

This paper addresses the problem of streaming packetizedfl media over a lossy packet network to a wireless client, infl a rate-distortion optimized way. We introduce an incrementalfl redundancy error-correction scheme that combats the effects offl both packet loss and bit errors in an end-to-end fashion, withoutfl support from the underlying network or from an intermediatefl base station. The scheme is employed within an optimizationfl framework that enables the sender to compute which packetsfl it should send, out of all the packets it could send at a givenfl transmission opportunity, in order to meet an average transmission-fl rate constraint while minimizing the average end-to-endfl distortion. Experimental results show that our system is robustfl and maintains quality of service over a wide range of channelfl conditions. Up to 8 dB performance gains are registered overfl systems that are not rate-distortion optimized, at bit-error ratesfl as large as 10-2.

Details

Publication typeArticle
Published inIEEE Trans. Communications
PublisherInstitute of Electrical and Electronics Engineers, Inc.
> Publications > Application layer error correction coding for rate-distortion optimized streaming to wireless clients