distributed rateless codes with unequal error protection property for space information networks
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ID: 244344
2017
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Abstract
In this paper, we propose a novel distributed unequal error protection (UEP) rateless coding scheme (DURC) for space information networks (SIN). We consider the multimedia data transmissions in a dual-hop SIN communication scenario, where multiple disjoint source nodes need to transmit their UEP rateless coded data to a destination via a dynamic relay. We formulate the optimization problems to provide optimal degree distributions on the direct links and the dynamic relay links to satisfy the required error protection levels. The optimization methods are based on the And–Or tree analysis and can be solved by multi-objective programming. In addition, we evaluate the performance of the optimal DURC scheme, and simulation results show that the proposed DURC scheme can effectively provide UEP property under a variety of error requirements.
| Reference Key |
jiao2017entropydistributed
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|---|---|
| Authors | ;Jian Jiao;Yi Yang;Bowen Feng;Shaohua Wu;Yonghui Li;Qinyu Zhang |
| Journal | European journal of medicinal chemistry |
| Year | 2017 |
| DOI |
10.3390/e19010038
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| URL | |
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