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Journal Articles ITU Journal on Future and Evolving Technologies Year : 2020

Design and analysis of a reconfigurable intelligent meta-surface for vehicular networks

Abstract

In this work, a new paradigm for vehicular communications based on Reconfigurable Intelligent Meta-surfaces (RIMs) is presented. By using the proposed RIM, we are able to manipulate electromagnetic waves in the half-space, since the element is reflective. The unit cell consists of a U-shaped designed microstrip structure equipped with a pin diode and via a hole. In this study, two different reflection modes are achieved for 1-bit data transferring in each state. By incorporating these two different configurations together, the reflected phases in the proposed RIM surface can be controlled respectively in 0 ∘ and 180 ∘. The proposed unit cell can provide a usable double negative functional characteristic around 5.3 GHz. The main goal of this paper is the use of a multifunctional behavior RIM for vehicular communications to code the transmitted wave. A novel phase distribution diagram is generated to propagate in each angle. Moreover, two major electromagnetic modulation functions, beam forming and space coding have been demonstrated. Finally, we show how the RIM can be employed for vehicular communications, acting as a coated access point along the street. We derive the instantaneous data rate at the receiver node, the outage probability and the channel capacity, as affected by different beam widths, distances and vehicle speed.
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Dates and versions

hal-03082231 , version 1 (18-12-2020)

Identifiers

  • HAL Id : hal-03082231 , version 1

Cite

Mohammad Ojaroudi, Valeria Loscrì, Anna Maria Vegni. Design and analysis of a reconfigurable intelligent meta-surface for vehicular networks. ITU Journal on Future and Evolving Technologies, 2020. ⟨hal-03082231⟩

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