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Reconfigurable Intelligent Surfaces for the Connectivity of Autonomous Vehicles

The use of real-time software-controlled reconfigurable intelligent surface (RIS) units is proposed to increase the reliability of vehicle-to-everything (V2X) communications. The optimum placement problem of the RIS units is formulated by considering their sizes and operating modes. The solution of...

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Published in:IEEE transactions on vehicular technology 2021-03, Vol.70 (3), p.2508-2513
Main Authors: Ozcan, Y. Ugur, Ozdemir, Ozgur, Kurt, Gunes Karabulut
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description The use of real-time software-controlled reconfigurable intelligent surface (RIS) units is proposed to increase the reliability of vehicle-to-everything (V2X) communications. The optimum placement problem of the RIS units is formulated by considering their sizes and operating modes. The solution of the problem is given, where it is shown that the optimal placement of the RIS depends on the locations of the transmitter and the receiver. The proposed RIS-supported highway deployment can combat the high path loss experienced by the use of higher frequency bands, including the millimeter-wave and the terahertz bands, that are expected to be used in the next-generation wireless networks. By using the proposed RIS-powered architecture the existing base station deployment plans can remain operational while providing reliable and energy-efficient connectivity for autonomous vehicles.
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source IEEE Electronic Library (IEL) Journals
subjects Array signal processing
Autonomous vehicles
Connected autonomous vehicles (CAV)
Focusing
Frequencies
Millimeter waves
Optimization
Placement
Radio equipment
Reconfigurable intelligent surfaces
reconfigurable intelligent surfaces (RISs)
Reliability
Signal to noise ratio
Vehicle-to-everything
vehicle-to-everything (V2X)
Wireless networks
title Reconfigurable Intelligent Surfaces for the Connectivity of Autonomous Vehicles
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