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Joint Vehicle-Beam Allocation for Reliability and Coverage in Vehicular Communication Systems

Akinsanya, Akinsola, Nair, Manish, Zhu, Huiling, Wang, Jiangzhou (2020) Joint Vehicle-Beam Allocation for Reliability and Coverage in Vehicular Communication Systems. In: IEEE Vehicular Technology Conference. 2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring). . IEEE ISBN 978-1-72814-053-7. E-ISBN 978-1-72815-207-3. (doi:10.1109/VTC2020-Spring48590.2020.9128605) (KAR id:94917)

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In vehicular communication systems, maximizing the number of served vehicles while simultaneously guaranteeing reliable coverage at all the vehicles can be a challenging proposition. A switched-beam based infrastructure can provide better reliability as the signal-to-interference-plus-noise ratio (SINR) can be improved. However, a simple switched-beam based vehicle-to-infrastructure (V2I) system alone may not suffice for serving all the vehicles because (i) the number of vehicles is more than the number of beams, and (ii) a vehicle may be out of the coverage region of a beam. Therefore, introducing vehicle-to-vehicle (V2V) communication becomes crucial in extending the number of served vehicles. In this paper, a joint vehicle-beam allocation (VBA) and vehicular proximity (VP) algorithms for V2I and V2V, respectively are proposed to guarantee reliable coverage for vehicles. VBA is an SINR optimization algorithm, and VP is based on LTE Mode 4, a proximity-based service for V2V communications. It is shown that setting a flexible SINR threshold helps in attaining a reliable beam coverage region in switched-beam based V2I communication. It is proven that the outage probability is also directly dependent on SINR thresholds. Lastly, the concept of utility ratio is also introduced as a metric for reliability. Simulation results show that joint V2I and V2V communication significantly improves the utility ratio.

Item Type: Conference or workshop item (Proceeding)
DOI/Identification number: 10.1109/VTC2020-Spring48590.2020.9128605
Uncontrolled keywords: Millimeter-Wave, V2X, Beam Allocation, RRH, MIMO, Reliability
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK5101 Telecommunications > TK5103.4 Broadband communication systems
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Akinsola Akinsanya
Date Deposited: 06 May 2022 20:58 UTC
Last Modified: 09 May 2022 13:58 UTC
Resource URI: (The current URI for this page, for reference purposes)
Akinsanya, Akinsola:
Zhu, Huiling:
Wang, Jiangzhou:
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