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多天线双向中继Nakagami-m系统性能研究

Performance Analysis of Multiple Antenna Two-Way Relaying over Nakagami-m Fading Channel
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摘要 基于波束成形的多天线双向放大转发中继系统,基站和用户到中继节点的信道是非一致的独立Nakagami-m信道条件下,通过分别求出端到端的信噪比表达式,继而推导出端到端信噪比的累积分布函数和概率密度函数。利用其累计分布函数,得到系统的中断概率和平均误符号率闭合表达式,仿真结果验证了理论分析的正确性。其平均误符号率的闭合表达式为以后进一步优化该系统提供了理论的支持。 In this paper, the end-to-end signal noise ratio (SNR) expression is derived in the multiple antenna two-way amplify-and-forward (AF) relay system using beamforming over non-identically distributed independent Nakagami-m channels. The cumulative distribution function and the probability density function of end-to-end SNR are deduced. Utilizing the accumulative distribution function, the closed expressions of outage probability and average symbol error ratio are derived. The simulation results demonstrate the validity of the theoretical analysis.
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2013年第6期842-847,共6页 Journal of University of Electronic Science and Technology of China
基金 国家自然科学基金(60872149 61302163 61302105) 河北省自然科学基金(F2012502015) 中央高校基本科研业务专项资金(13QN50 13MS67)
关键词 放大转发 平均误符号率 Nakagami-m 双向中继 AF average SER Nakagami-m two-way relay
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参考文献10

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