Nakagami-m衰落下中继系统性能分析

doi:10.3969/j.issn.1001-2400.2018.03.021

Abstract

Abstract:

This paper investigates the effects of transceiver hardware impairments on the performance of relaying systems. In particular, the fixed gain amplify-and-forward(AF) relaying system over Nakagami-m fading channels is considered. Two scenarios are included: ①the source node is connected to the destination node through the assistance of relaying, whilst the direct link between the source node and the destination node is existent; ②the source node communicates with the destination node with the aid of AF relaying. In the first scenario, the destination node processes the received information using the selecting combining(SC) algorithm. To analyze the performance of the two scenarios, the analytical closed-form expressions for the outage probability of relaying systems are derived. Simulation results reveal that the outage probability performance can be effectively improved through the relaying, that the hardware impairment parameter has deleterious effects on system performance and that the shape parameter of Gamma is always beneficial to the performance of the system.

Key words: hardware impairments, Nakagami-m fading, selecting combining, outage probability

LI Xingwang;LI Jingjing;JIN Jin;LI Lihua. Performance analysis of relaying systems over Nakagami-m fading with transceiver hardware impairments[J].Journal of Xidian University, 2018, 45(3): 117-122.

References

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Performance analysis of relaying systems over Nakagami-m fading with transceiver hardware impairments

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