Results 171 to 180 of about 13,960 (190)

Reconfigurable Wireless Relaying With Multi-UAV-Carried Intelligent Reflecting Surfaces

IEEE Transactions on Vehicular Technology, 2023
Intelligent reflecting surface (IRS) can reconfigure wireless environment to improve channel capacity and extend coverage. In this paper, we develop a reconfigurable wireless relaying system aided by multiple unmanned aerial vehicle (UAV)-carried ...
Linghui Ge, Hua Zhang, Jun-Bo Wang, Geoffrey Y. Li   +3 more
semanticscholar   +1 more source

Intelligent Reflecting Surfaces for Visible Light Positioning Based on Received Power Measurements

IEEE Transactions on Vehicular Technology
In this paper, we formulate and analyze a received power based position estimation problem for visible light positioning (VLP) systems in presence of intelligent reflecting surfaces (IRSs).
Furkan Kokdogan, S. Gezici
semanticscholar   +1 more source

Blind Beamforming for Multiple Intelligent Reflecting Surfaces

ICC 2023 - IEEE International Conference on Communications, 2023
Channel acquisition is a major challenge faced by the conventional beamforming methods when dealing with multiple intelligent reflecting surfaces (IRSs), because the number of unknown channels grows exponentially with the number of IRSs.
Jiawei Yao, Fan Xu, Wenhai Lai, Kaiming Shen, Xin Li, Xin Chen, Zhi-Quan Luo   +6 more
semanticscholar   +1 more source

Covert Federated Learning via Intelligent Reflecting Surfaces

IEEE Transactions on Communications, 2023
Over-the-air computation (OAC) is a promising technology that can achieve rapid model aggregation by utilizing the wireless waveform superposition feature to harness the interference of multiple-access channel for wireless federated learning (FL ...
Jie Zheng, Haijun Zhang, Jiawen Kang, Ling Gao, J. Ren, Dusist Niyato   +5 more
semanticscholar   +1 more source

Intelligent Reflecting Surfaces Assisted Cellular V2X Based Open RAN Communications

IEEE Transactions on Vehicular Technology
Open radio access networks (RAN) enhance the capabilities of traditional RAN by introducing features such as interoperability, open interfaces, software/hardware separation, and intelligence.
M AH, Maimoona Asad, Gautam Srivastava, Jawad Mirza, Ali Ranjha, M. A. Javed, Xu Yang   +6 more
semanticscholar   +1 more source

Performance Analysis of Intelligent Reflecting Surfaces in Ambient Backscattering NOMA Systems

IEEE Transactions on Vehicular Technology
Achieving low-power wide coverage and good spectral efficiency is one of the main objectives of next-generation wireless communication. Non-Orthogonal Multiple Access (NOMA)-assisted Ambient Backscatter Communication (AmBC) has proven to be capable of ...
Usman Saleh Toro, Mohamed Elsayed, B. Elhalawany, Kaishun Wu   +3 more
semanticscholar   +1 more source

Reliable Communications for Cybertwin-Driven 6G IoVs Using Intelligent Reflecting Surfaces

IEEE Transactions on Industrial Informatics, 2022
M. Javed, Tu N. Nguyen, J. Mirza, Junaid Ahmed, B. Ali   +4 more
semanticscholar   +1 more source

A Survey on Channel Estimation and Practical Passive Beamforming Design for Intelligent Reflecting Surface Aided Wireless Communications

IEEE Communications Surveys and Tutorials, 2022
Beixiong Zheng, Changsheng You, Weidong Mei   +2 more
exaly  

Reconfigurable Intelligent Surfaces: Principles and Opportunities

IEEE Communications Surveys and Tutorials, 2021
Yuanawei Liu, Xiao Liu, Xidong Mu
exaly  

Physics-Based Modeling and Scalable Optimization of Large Intelligent Reflecting Surfaces

IEEE Transactions on Communications, 2021
Marzieh Najafi, Vahid Jamali, Robert Schober   +2 more
exaly