Network Coded Cooperation Based on Relay Selection with Imperfect CSI

A. Heidarpour, M. Ardakani, C. Tellambura
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引用次数: 4

Abstract

In this paper, we investigate the performance of network coded cooperation (NCC) systems based on relay selection in the presence of imperfect channel state information (CSI). Specifically, we consider an uplink cellular scenario with $\mathcal{N}$ sources, $\mathcal{M}$ relays and a single destination. The relays adopt decode and forward (DF) relaying and use maximum distance separable (MDS) codes as their encoding vectors. We investigate the impact of imperfect CSI on outage probability and asymptotic and finite-SNR diversity-multiplexing tradeoff (DMT) of the system under consideration. Simulation results are further presented to corroborate the analytical findings and provide insight into the system design where imperfect CSI and finite SNR regime are taken into account.
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基于不完全CSI中继选择的网络编码合作
本文研究了在不完全信道状态信息(CSI)存在下,基于中继选择的网络编码合作(NCC)系统的性能。具体来说,我们考虑了一个具有$\mathcal{N}$源、$\mathcal{M}$中继和单个目的地的上行蜂窝场景。继电器采用译码转发(DF)中继,采用最大距离可分离码(MDS)作为编码矢量。我们研究了不完全CSI对系统的中断概率和渐近有限信噪比分集复用权衡(DMT)的影响。仿真结果进一步证实了分析结果,并为考虑不完美CSI和有限信噪比制度的系统设计提供了见解。
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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