[2209.03777] Joint Optimization of STAR-RIS Assisted UAV Communication Systems
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Computer Science > Information Theory

arXiv:2209.03777 (cs)
[Submitted on 8 Sep 2022]

Title:Joint Optimization of STAR-RIS Assisted UAV Communication Systems

Authors:Qin Zhang, Yang Zhao, Hai Li, Shujuan Hou, Zhengyu Song
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Abstract:In this letter, we study the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted unmanned aerial vehicle (UAV) communications. Our goal is to maximize the sum rate of all users by jointly optimizing the STAR-RIS's beamforming vectors, the UAV's trajectory and power allocation. We decompose the formulated non-convex problem into three subproblems and solve them alternately to obtain the solution. Simulations show that: 1) the STAR-RIS achieves a higher sum rate than traditional RIS; 2) to exploit the benefits of STAR-RIS, the UAV's trajectory is closer to STAR-RIS than that of RIS; 3) the energy splitting for reflection and transmission highly depends on the real-time trajectory of UAV.
Comments: 5 pages, 4 figures
Subjects: Information Theory (cs.IT); Signal Processing (eess.SP)
Cite as: arXiv:2209.03777 [cs.IT]
  (or arXiv:2209.03777v1 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2209.03777
Journal reference: IEEE Wireless Communications Letters, 2022
Related DOI: https://doi.org/10.1109/LWC.2022.3204353

Submission history

From: Yang Zhao [view email]
[v1] Thu, 8 Sep 2022 12:41:18 UTC (312 KB)
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