Technology of Network & Communication
|
App. Res. of Comp. Printed Article
Vol. 36, 2019 No. 1
186-190

Re-transmission strategy based on cooperative relay in communication networks

Xu Guangxiana
Zan Yangb
a. School of Electrics & Information Engineering, b. School of Graduate Studies, Liaoning Technical University, Huludao Liaoning 125105, China
DOI: 10.19734/j.issn.1001-3695.2017.07.0689

Abstract

This paper studied the information packets multicast in communication networks, it proposed the re-transmission strategy based on cooperative relay in communication networks(CRRS). When the packet failed to transmit directly, the source node, coordinated with the relaying nodes could encode and then re-transmit lost packets. During re-transmission, those lost packets accessible to encoding would assemble by way of random access according to the results derived from the feedback system. Subsequently, there would provide more spacial diversity gain for information restoration by obsoleting the nodes pre-viously failed to transmit so as to reduce the frequency of the re-transmission. Finally, through diverse information channels, this strategy could simulate with non-coordinated NCARQ and traditional ARQ in Monte Carlo. The simulation results show that, on the condition that multiple relaying channels provide better conditions than source-destination channels, the use of coordination-based network encoding for the purpose of re-transmission will not only effectively promote network throughput capability, but also largely reduce the possibilities of poor performances due to coherence issues by way of coordinated spacial diversity.

Foundation Support

国家科技支撑计划资助项目(2013BAH12F02)
辽宁省高等学校杰出青年学者成长计划资助项目(LJQ2014029)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.07.0689
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 1
Section: Technology of Network & Communication
Pages: 186-190
Serial Number: 1001-3695(2019)01-042-0186-05

Publish History

[2019-01-05] Printed Article

Cite This Article

徐光宪, 昝阳. 通信网络中基于协作中继重传策略 [J]. 计算机应用研究, 2019, 36 (1): 186-190. (Xu Guangxian, Zan Yang. Re-transmission strategy based on cooperative relay in communication networks [J]. Application Research of Computers, 2019, 36 (1): 186-190. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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