High mobility transmission system under intelligent reflecting surface
Corresponding Author
Osama S. Faragallah
Department of Information Technology, College of Computers and Information Technology, Taif University, Taif, Saudi Arabia
Correspondence
Osama S. Faragallah, Department of Information Technology, College of Computers and Information Technology, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia.
Email: [email protected]
Search for more papers by this authorHala S. El-Sayed
Department of Electrical Engineering, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
Search for more papers by this authorMohamed G. El-Mashed
Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt
Search for more papers by this authorCorresponding Author
Osama S. Faragallah
Department of Information Technology, College of Computers and Information Technology, Taif University, Taif, Saudi Arabia
Correspondence
Osama S. Faragallah, Department of Information Technology, College of Computers and Information Technology, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia.
Email: [email protected]
Search for more papers by this authorHala S. El-Sayed
Department of Electrical Engineering, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
Search for more papers by this authorMohamed G. El-Mashed
Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt
Search for more papers by this authorFunding information: Deanship of Scientific Research, Taif University Researchers Supporting Project number (TURSP-2020/08), Taif University, TURSP-2020/08
Abstract
In wireless communication system with a high mobility scenario, there is a challenge to obtain fast data transmission service with proper stability. Also, it is difficult to obtain perfect channel state information in the high mobility case without large online computation. Intelligent surface has great potential to cost-effectively enhance the system performance in next generation technology and beyond. In this paper, a railway communication system with the help of intelligent surface technology is proposed for high mobility scenario. We propose an applicable beamforming scheme with the help of mobile station location information for intelligent surface-aided communication system under high mobility. In our proposed system, the beams from the intelligent surface are chosen based on the mobile stations locations, where the weights of the beams are optimized for maximum total service of base station. Also, we formulate the optimization problem and propose an alternating iterative technique as a solution. The weights and phase matrix of the beams are optimized to maximize the mobile service. An intelligent surface with beam selection scheme is also proposed. Results demonstrate the significant mobile service enhancement introduced by the intelligent surface in railway communication system and show the effectiveness of our proposed scheme. It can reduce the handover region and can save time for data transmission.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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