QoS-Balancing Algorithm for Optimal Relay Selection in Heterogeneous Vehicular Networks

Alnasser, Aljawharah, Sun, Hongjian and Jiang, Jing (2021) QoS-Balancing Algorithm for Optimal Relay Selection in Heterogeneous Vehicular Networks. IEEE Transactions on Intelligent Transportation Systems. ISSN 1524-9050 (In Press)

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Official URL: https://doi.org/10.1109/tits.2021.3076901

Abstract

Intelligent Transportation System (ITS) could facilitate communications among various road entities to improve the driver's safety and driving experience. These communications are called Vehicle-to-Everything (V2X) communications that can be supported by LTE-V2X protocols. Due to frequent changes of network topology in V2X, the source node (e.g., a vehicle) may have to choose a Device to-Device(D2D) relay node to forward its packet to the destination node. In this paper, we propose a new method for choosing an optimal D2D relay node. The proposed method considers Quality of Service (QoS) requirements for selecting D2D relay nodes. It employs an Analytic Hierarchy Process (AHP) for making decisions. The decision criteria are linked with channel capacity, link stability and end-to-end delay. A number of simulations were performed considering various network scenarios to evaluate the performance of the proposed method. Simulation results show that the proposed method improves Packet Dropping Rate (PDR) by 30% and delivery ratio by 23% in comparison with the existing methods.

Item Type: Article
Additional Information: Funding information: This work was supported in part by U.K. EPSRC under Grant EP/S032002/1, and in part by the European Union’s Horizon 2020 Research and Innovation Programme under the Marie Skłodowska-Curie (TESTBED2 Project) Grant ID 872172.
Uncontrolled Keywords: ITS, QoS, relay selection, V2X
Subjects: G900 Others in Mathematical and Computing Sciences
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: John Coen
Date Deposited: 29 Apr 2021 14:14
Last Modified: 31 Jul 2021 11:03
URI: http://nrl.northumbria.ac.uk/id/eprint/46060

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