Transparent cross-layer rate adaption of progressive multimedia streams for wired and wireless networks
2005 (English)Report (Other academic)
Real-time multimedia transfer through the Internet becomes more difficult when wireless links are in the path, due to the time varying channel capacity, from interference and multipath fading effects which introduce additional stochastic variations beyond the wireline network traffic effects. These wireless variations create problems for existing end-to-end rate adaption using feedback. This paper introduces a framework for cross-layer solutions to the streaming video problem with a focus on graceful degradation under network congestion and/or wireless fading effects without direct coordination between source coder, channel coder, and physical layer modulator. The solution presented includes network transportation and wireless based optimizations and requires little reliance upon end-to-end rate adaption. The suggested method uses progressively coded, leaky prediction source data and physical layer based rate adaption in concert with error tolerant network protocols.
Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2005. , 22 p.
Research report / Luleå University of Technology, ISSN 1402-1528 ; 2005:09
Research subject Signal Processing; Dependable Communication and Computation Systems
IdentifiersURN: urn:nbn:se:ltu:diva-24527Local ID: b5614090-b2a1-11db-bf9d-000ea68e967bOAI: oai:DiVA.org:ltu-24527DiVA: diva2:997579
Godkänd; 2005; 20070202 (ysko)2016-09-292016-09-29Bibliographically approved