非对称衰落信道下无人机中继传输方案及性能分析

doi:10.7527/S1000-6893.2013.0016

Abstract

Abstract:

The application of unmanned aerial vehicles (UAVs) in relay transmission systems has received more and more attention recently. This paper presents a study of a UAV relay transmission system over asymmetric fading channels. Using the maximization of the output signal-to-noise ratio as the design criterion, the optimal beamforming (BF) for the relay system is first obtained. Then, the new accurate expressions for the outage probability, ergodic capacity and average symbol error rate are all derived. Finally, computer simulations demonstrate the validity of the proposed relay transmission scheme and its performance analysis, and provide a quantitative study of the effect of antenna number, channel parameters and power allocation on system performance. Our work can provide some useful reference and foundation work to the system engineer for the purpose of designing a UAV relay transmission system and evaluating its performance.

Key words: unmanned aerial vehicles, relay transmission, performance analysis, beamforming, asymmetric fading channel

CLC Number:

V243
TN925

OUYANG Jian, ZHUANG Yi, XUE Yu, WANG Zhou. UAV Relay Transmission Scheme and Its Performance Analysis over Asymmetric Fading Channels[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013, 34(1): 130-140.

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UAV Relay Transmission Scheme and Its Performance Analysis over Asymmetric Fading Channels

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