无人机中继广播通信系统航迹优化方法

doi:10.3969/j.issn.1001-2400.2018.03.025

Abstract

Abstract:

In order to improve the connectivity of the fixed-wing unmanned aerial vehicle(UAV) relaying broadcast communication system, a UAV trajectory optimization method is proposed. First, the approximate expression for the outage probability for a single user node in the UAV broadcast communication system is obtained. Based on this, the approximate calculation formula for the average outage probability for all user nodes in the service area is deduced. Then, the trajectory optimization method is given based on the criterion of minimizing the average outage probability of all user nodes in the service area. Next, the exact mathematical expression for outage probability for the single user node is derived to evaluate the system performance. Finally, the validity of the proposed scheme is proved by computer simulation.

Key words: unmanned aerial vehicle relaying, trajectory optimization, outage probability, service area

LI Dongxia;LI Chunming;ZHAO Wenqiang;LIU Haitao. Trajectory optimization method for the UAV relaying broadcast communication system[J].Journal of Xidian University, 2018, 45(3): 143-148+180.

References

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Trajectory optimization method for the UAV relaying broadcast communication system

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