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Conference Papers Year : 2021

A Vehicle-to-Infrastructure Data Offloading Scheme for Vehicular Networks with QoS Provisioning

Yasir Saleem
Valeria Loscrì
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Abstract

In vehicular networks, vehicles carry various types of data that need to be offloaded to the RoadSide Units (RSUs) through Vehicle-to-Infrastructure (V2I) communications when vehicles come into their coverage. Since, RSUs are not widely deployed, vehicles have intermittent connectivity with RSUs. The data that vehicles carry to offload could be urgent data (such as accident data of nearby incident or emergency health data) that needs to be offloaded to the RSUs as soon as possible. Therefore, the consideration of Quality of Service (QoS) provisioning is imperative for data offloading in vehicular networks. In this paper, we propose V2I-Q, a V2I data offloading scheme with QoS provisioning by using three QoS functions: traffic classification, overload control and admission control. Traffic classification organizes the data into three priorities: high, medium and low. Overload control avoids overloading the RSUs to enable it to receive high priority data as soon as possible. Admission control allows RSUs to stop servicing existing vehicles offloading low priority data in order to receive high priority data from other vehicles. The performance evaluation shows that V2I-Q is able to offload more high priority data by incurring lower maximum offloading delay as compared to the traditional V2I data offloading schemes.
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Dates and versions

hal-03188360 , version 1 (01-04-2021)

Identifiers

  • HAL Id : hal-03188360 , version 1

Cite

Yasir Saleem, Nathalie Mitton, Valeria Loscrì. A Vehicle-to-Infrastructure Data Offloading Scheme for Vehicular Networks with QoS Provisioning. IWCMC 2021 - 17th International Wireless Communications and Mobile Computing Conference, Jun 2021, Harbin / Virtual, China. ⟨hal-03188360⟩

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