Ris-aided integrated satellite duplex UAV relay terrestrial networks with imperfect hardware and co-channel interference

EURASIP Journal on Advances in Signal Processing

Research

Mingfu Zhu¹  Jiu Sun²  Feng Zhou²  Kefeng Guo³  Xueling Wang⁴ 

[1] College of Computer Science and Technology, Henan Polytechnic University, 454000, Jiaozuo, China;School of Information Technology, Yancheng Institute of Technology, 224051, Yancheng, China;School of Space Information, Space Engineering University, 101407, Beijing, China;Space E-star Communication Technology Co. LTD, 210007, Nanjing, China;

关键词: Reconfigurable intelligent surface (RIS);    Integrated satellite duplex UAV terrestrial networks;    Imperfect hardware;    Co-channel interference;    Outage probability;   

DOI  :  10.1186/s13634-023-01067-2

 received in 2023-06-13, accepted in 2023-10-09,  发布年份 2023

来源: Springer

【 摘 要 】

Increasing the spectrum and time utilization rate is the goal of the next wireless communication networks. This work studies the outage performance of the reconfigurable intelligent surface (RIS)-aided integrated satellite duplex unmanned-aerial-vehicle relay terrestrial networks. Especially, the RIS is installed in the tall building to enhance the communication. To further increase the time utilization rate, the duplex unmanned aerial vehicle is utilized to enhance the time utilization efficiency. However, owing to the practical reasons, the imperfect hardware and co-channel interference are further researched in this paper. Particularly, the accurate expression for the outage probability (OP) is gotten to confirm the effects of RIS parameters, channel parameters and imperfect hardware on the considered network. To gain more insights of the OP at high signal-to-noise ratios, the asymptotic analysis for the OP is derived. Finally, some Monte Carlo simulations are provided to verify the rightness of the theoretical analysis. The simulations indicate that the OP is mainly judged by the satellite transmission link. The results also indicate that although RIS can enhance the system performance, the system performance is not decided by RIS.

【 授权许可】

CC BY   
© The Author(s) 2023

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