On the Performance of Spectrum Sharing Systems with Two-Way Relaying and Multiuser Diversity

On the Performance of Spectrum Sharing Systems with Two-Way Relaying and Multiuser Diversity
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双向中继和多用户分集频谱共享系统的性能研究

DOI:
10.1109/lcomm.2012.052112.120746
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发表时间:
2012-05
期刊:
IEEE Communications Letters
影响因子:
--
通讯作者:
Khalid Qaraqe
Khalid Qaraqe
中科院分区:
其他
文献类型:
--
作者:
Liang Yang;Mohamed-Slim Alouini;Khalid Qaraqe

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在这封信中,我们考虑一个频谱共享网络与双向中继和多用户分集。更具体地,选择具有最佳信道质量的一个次级发射机,并通过使用放大转发中继协议来分割其部分功率以将其接收到的信号中继到主用户。我们推导出一个紧近似的中断概率。在此基础上,分析了频谱共享区和小区覆盖的性能。数值结果验证了我们的分析,并讨论了我们新提出的计划的优点。
In this letter, we consider a spectrum sharing network with two-way relaying and multi-user diversity. More specifically, one secondary transmitter with the best channel quality is selected and splits its partial power to relay its received signals to the primary users by using the amplify-and-forward relaying protocol. We derive a tight approximation for the resulting outage probability. Based on this formula, the performance of the spectral sharing region and the cell coverage are analyzed. Numerical results are given to verify our analysis and are discussed to illustrate the advantages of our newly proposed scheme.
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