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Iranian Journal of Electrical and Electronic Engineering، جلد ۲۱، شماره ۱، صفحات ۳۳۰۱-۳۳۰۱
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چکیده فارسی مقاله
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عنوان انگلیسی DRL-based Joint Beamforming and Power Allocation in Beyond Diagonal Reconfigurable Intelligence Surface 6G Systems
چکیده انگلیسی مقاله This paper introduces a new method for improving wireless communication systems by employing beyond diagonal reconfigurable intelligent surfaces (BD-RIS) and unmanned aerial vehicle (UAV) alongside deep reinforcement learning (DRL) techniques. BD-RIS represents a departure from traditional RIS designs, providing advanced capabilities for manipulating electromagnetic waves to optimize the performance of communication. We propose a DRL-based framework for optimizing the UAV and configuration of BD-RIS elements, including hybrid beamforming, phase shift adjustments, and transmit power coefficients for non-orthogonal multiple access (NOMA) transmission by considering max-min fairness. Through extensive simulations and performance evaluations, we demonstrate that BD-RIS outperforms conventional RIS architectures. Additionally, we analyze the convergence speed and performance trade-offs of different DRL algorithms, emphasizing the importance of selecting the appropriate algorithm and hyper-parameters for specific applications. Our findings underscore the transformative potential of BD-RIS and DRL in enhancing wireless communication systems, laying the groundwork for next-generation network optimization and deployment.
کلیدواژه‌های انگلیسی مقاله Unmanned Aerial Vehicle (UAV), Beyond Diagonal-Reconfigurable Intelligent Surface (BD-RIS), Non-orthogonal Multiple Access (NOMA), Hybrid Beamforming, Reinforcement Learning (RL).
نویسندگان مقاله | Mousa Abdollahvand
Department of Electrical and Computer Engineering, University of Mohaghegh Ardabili, Ardabil, Iran


| Sima Sobhi-givi
Department of Electrical and Computer Engineering, University of Mohaghegh Ardabili, Ardabil, Iran
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-5187-1&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده 5-Communication Systems
نوع مقاله منتشر شده Research Paper
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