Joint hierarchical modulation and network coding for asymmetric data transmission in wireless cooperative communication

2016 International Conference on Computer, Information and Telecommunication Systems (CITS) Pub Date : 2016-08-18 DOI:10.1109/CITS.2016.7546417

Cuiqin Dai, Nan-Nan Huang, Hai-Xia Ran

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引用次数: 1

Abstract

Asymmetric data transmission is a challenge factor in wireless communication channel. In this paper, we study the issue of data processing in asymmetric data transmission from different sources in wireless communication channel, and propose a Joint Hierarchical Modulation and Network Coding (JHMNC) scheme. In the proposed scheme, the procedure of JHMNC is analyzed and compared with the traditional zero padding and Opportunistic User Selection (OUS) schemes which are the generally existed schemes in asymmetric data transmission in wireless channel, and the closed-form expressions of the End-to-End (E2E) Bit Error Rate (BER) for the aforementioned schemes are derived by analyzing the transmission of each node. Simulation results illustrate that the proposed scheme improves the BER performance without additional complexity compared with the traditional zero padding scheme, also can outperform OUS scheme in terms of the average throughput and the channel access probability.

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无线协作通信中非对称数据传输的联合分层调制和网络编码

非对称数据传输是无线通信信道中的一个难题。本文研究了无线通信信道中不同来源的非对称数据传输中的数据处理问题，提出了一种联合分层调制和网络编码(JHMNC)方案。在该方案中，分析了JHMNC的过程，并与传统的零填充和机会用户选择(Opportunistic User Selection, ou)等无线信道非对称数据传输中普遍存在的方案进行了比较，通过分析各节点的传输情况，推导出了上述方案的端到端误码率(E2E)的封闭表达式。仿真结果表明，与传统的零填充方案相比，该方案在不增加复杂性的情况下提高了误码率性能，并且在平均吞吐量和信道访问概率方面优于ou方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 International Conference on Computer, Information and Telecommunication Systems (CITS)

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