Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Reconfigurable intelligent surface (RIS)"”.
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Reconfigurable intelligent surface and UAV-assisted communications: a deep reinforcement learning approach
… the energy efficiency (EE), sum-rate in reconfigurable intelligent surface (RIS) and unmanned aerieal vehicles (UAV)-aided wireless communications. The thesis carries out comprehensive optimization and evaluation of various DRL algorithms for several real-life applications including UAV's …
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Efficient design of reconfigurable intelligent surface assisted multi-group multicast beamforming
… multicasting scenario facilitated by a reconfigurable intelligent surface (RIS). We propose low-complexity scalable algorithms for the joint design of the base station (BS) multicast beamformer and the RIS passive beamformer to minimize the transmit power subject to the …
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Reconfigurability in Wireless Networks: Applications of Machine Learning for User Localization and Intelligent Environment
… channel state information (CSI), and configuring intelligent surface for optimum performance. In this paper, we perform an extensive research on the application of deep learning methods in reconfigurable wireless modeling problems which contains two scenarios. In the first scenario, a user …
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Fundamentals of Quantum Communication Networks: Scalability, Efficiency, and Distributed Quantum Machine Learning
… effects. Particularly, the utilization of a reconfigurable intelligent surface (RIS) in QCNs is proposed to maintain a line-of-sight (LoS) connection between quantum nodes separated by blockages, and a novel analytical model of quantum noise and end-to-end (e2e) fidelity in such QCNs is …
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Optimal Beamforming Strategies At Mmwaves For 5G+ Networks
… the data stream. This analogous to a distributed reconfigurable intelligent surface (RIS) system in which the tags acts as distributed RIS in indoor environment. Both users and backscatter devices in the mmWave range will have multiple antenna elements, increasing the system’s complexity. The …