Poster: Resource allocation with conflict resolution for vehicular sidelink broadcast communications

Luis F. Abanto-Leon, Arie Koppelaar, Sonia Heemstra De Groot

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Abstract

In this paper we present a graph-based resource allocation scheme for sidelink broadcast V2V communications. Harnessing available information on geographical position of vehicles and spectrum resources utilization, eNodeBs are capable of allotting the same set of sidelink resources to different vehicles distributed among several communications clusters. Within a communications cluster, it is crucial to prevent time-domain allocation conflicts since vehicles cannot transmit and receive simultaneously, i.e., they must transmit in orthogonal time resources. In this research, we present a solution based on a bipartite graph, where vehicles and spectrum resources are represented by vertices whereas the edges represent the achievable rate in each resource based on the SINR that each vehicle perceives. The a forementioned time orthogonality constraint can be approached by aggregating conflicting vertices into macro-vertices which, in addition, reduces the search complexity. We show mathematically and through simulations that the proposed approach yields an optimal solution. In addition, we provide simulations showing that the proposed method outperforms other competing approaches, specially in scenarios with high vehicular density.

Original languageEnglish
Title of host publicationMobiCom 2017 - Proceedings of the 23rd Annual International Conference on Mobile Computing and Networking
PublisherAssociation for Computing Machinery, Inc
Pages525-527
Number of pages3
VolumePart F131210
ISBN (Electronic)9781450349161
ISBN (Print)978-1-4503-4916-1
DOIs
Publication statusPublished - 4 Oct 2017
Event23rd Annual International Conference on Mobile Computing and Networking (MobiCom 2017) - Snowbird, United States
Duration: 16 Oct 201720 Oct 2017
Conference number: 23
https://sigmobile.org/mobicom/2017/
https://www.sigmobile.org/mobicom/2017/

Conference

Conference23rd Annual International Conference on Mobile Computing and Networking (MobiCom 2017)
Abbreviated titleMobiCom'17
CountryUnited States
CitySnowbird
Period16/10/1720/10/17
Internet address

Keywords

  • Resource allocation
  • Sidelink
  • Vehicular communications

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