Performance Analysis of Dual-Hop Relaying System over Mixture Gamma Fading Channels

CHENG Wei-jun

doi:10.3969/j.issn.0372-2112.2014.10.012

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Performance Analysis of Dual-Hop Relaying System over Mixture Gamma Fading Channels

更新时间：2025-07-16

- Performance Analysis of Dual-Hop Relaying System over Mixture Gamma Fading Channels
- Acta Electronica Sinica Vol. 42, Issue 10, Pages: 1944-1950(2014)
- 作者机构：
  
  1. 中央民族大学信息工程学院,北京,100081
  2. 中央民族大学信息工程学院,北京,100081
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2014.10.012
  CLC： TN9193
- Published：2014
- 稿件说明：
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CHENG Wei-jun. Performance Analysis of Dual-Hop Relaying System over Mixture Gamma Fading Channels[J]. Acta Electronica Sinica, 2014, 42(10): 1944-1950.
DOI：

CHENG Wei-jun. Performance Analysis of Dual-Hop Relaying System over Mixture Gamma Fading Channels[J]. Acta Electronica Sinica, 2014, 42(10): 1944-1950. DOI： 10.3969/j.issn.0372-2112.2014.10.012.

摘要

基于混合Gamma信道模型研究了两跳中继系统在联合多径阴影衰落环境下的性能.推导了两跳中继系统端到端信噪比的累积分布函数和矩生函数的精确闭式解

并基于这些闭式解分析了两跳中继系统的误码率、中断率和分集增益等性能.与广义K衰落模型下的性能进行了比较

运用混合Gamma衰落模型可获得简单精确的结果.最后数值和仿真分析验证了理论研究的正确性.

Abstract

The end-to-end performance of a dual-hop amplify-and-forward relaying system is investigated over composite multipath-lognormal fading channels by using Mixture Gamma(MG)channel model.Novel exact closed-form expressions for the cumulative distribution function and the moment-generation function of the end-to-end signal-to-noise ratio are derived.Moreover

the average symbol error rate

outage probability and the diversity order are found based on the above new expressions

respectively.These expressions are more simple and accuracy than the ones obtained by using Generalized-K(KG)channel model.Finally

numerical and simulation results are shown to verify the accuracy of the analytical results.

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