Network-coded rateless coding scheme in erasure multiple-access relay enable communications
Gu, Shushi, Jiao, Jian, Zhang, Qinyu, Yang, Zhihua, Xiang, Wei, and Cao, Bin (2014) Network-coded rateless coding scheme in erasure multiple-access relay enable communications. IET Communications, 8 (4). pp. 537-545.
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Abstract
This study proposes a novel adaptive network-coded rateless coding scheme for an erasure multiple-access relay system with two distributed sources and an asymmetric network topology. To increase transmission efficiency, a two-dimensional degree distribution, as part of network-coded relay protocol, is designed based on the AND-OR tree analysis technique. The degree distributions of rateless coding at the sources and network coding at the relay are optimised by the linear programming approach under asymmetric channel conditions. Simulation results demonstrate that the proposed scheme outperforms existing classical relay protocols under time-varying channel conditions, and achieves a significantly better performance.
| Item ID: | 43293 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1751-8636 |
| Funders: | National Natural Sciences Foundation of China (NNSFC), Natural Science Foundation for the Youth (NSFY) |
| Projects and Grants: | NNSFC grant no. 61032003, NSFY grant no. 61102083, NSFY grant no. 61201144 |
| Date Deposited: | 24 Feb 2016 07:47 |
| FoR Codes: | 09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified @ 100% |
| SEO Codes: | 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890199 Communication Networks and Services not elsewhere classified @ 100% |
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