Unequal error protection random linear coding strategies for erasure channels(Article)
- aDepartment of Power, Electronics and Communication Engineering, University of Novi Sad, Novi Sad, Serbia
- bDepartment of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom
Abstract
In this paper, we provide the performance analysis of unequal error protection (UEP) random linear coding (RLC) strategies designed for transmission of source messages containing packets of different importance over lossy packet erasure links. By introducing the probabilistic encoding framework, we first derive the general performance limits for the packet-level UEP coding strategies that encode the packets of each importance class of the source message independently (non-overlapping windowing strategy) or jointly (expanding windowing strategy). Then, we demonstrate that the general performance limits of both strategies are achievable by the probabilistic encoding over non-overlapping and expanding windows based on RLC and the Gaussian Elimination (GE) decoding. Throughout the paper, we present a number of examples that investigate the performance and optimization of code design parameters of the expanding window RLC strategy and compare it with the non-overlapping RLC strategy selected as a reference. © 2012 IEEE.
Indexed keywords
| Engineering uncontrolled terms | Code designsCoding strategyErasure channelsGaussian eliminationLinear codingPerformance analysisPerformance limitsUnequal error protections |
|---|---|
| Engineering controlled terms: | CommunicationElectronics engineeringNetwork coding |
| Engineering main heading: | Encoding (symbols) |
Funding details
| Funding sponsor | Funding number | Acronym |
|---|---|---|
| Seventh Framework Programme | FP7 | |
| European Commission See opportunities by EC | 295220 | EC |
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1
The material in this paper was presented in part at the IEEE MMSP 2010 Workshop, October 2010, and in part at the IEEE Packet Video Workshop, December 2010. This work was supported by a Marie Curie Intra European Fellowship within the 7th European Community Framework Programme.
- ISSN: 00906778
- CODEN: IECMB
- Source Type: Journal
- Original language: English
- DOI: 10.1109/TCOMM.2012.030712.100454
- Document Type: Article
Vukobratović, D.; Department of Power, Electronics and Communication Engineering, University of Novi Sad, Serbia;
© Copyright 2012 Elsevier B.V., All rights reserved.
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