无线Ad-Hoc网络的协同网络编码

Shengli Fu, K. Lu, Y. Qian, M. Varanasi
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引用次数: 54

摘要

在无线自组织网络中,一个主要的挑战是如何提供健壮和高效的通信。为了实现这一目标,协作通信和网络编码已被证明是有效的。在文献中,大多数现有研究分别关注两种方案的性能。在我们的研究中,我们将研究将它们紧密结合在一起的系统的性能。特别是,我们将提出一个统一的双向流量模型,可以描述两者的特征。在此基础上,我们开发了一种新的协作网络编码方案,进一步提高了系统的吞吐量。讨论了双向通信模型的解码转发和放大转发技术。数值结果表明,与传统方案相比,新方案的性能有明显提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cooperative Network Coding for Wireless Ad-Hoc Networks
In wireless ad-hoc networks, a major challenge is how to provide robust and efficient communication. To achieve this goal, cooperative communication and network coding have been proven to be effective. In the literature, most existing studies focus on the performance of the two schemes separately. In our study, we will investigate the performance of system that combines them tightly together. In particular, we will propose a unified two-way traffic model that can characterize the features of both of them. Based on this model, we develop a new cooperative network coding scheme to further improve the system throughput. Both decode-and-forward and amplify-and-forward techniques are discussed for the two-way traffic model. Numerical results show that the new scheme can significantly improve the performance over traditional schemes.
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