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6th International ICST Conference on Communications and Networking in China

Research Article

Mobility and QoS oriented 802.11p MAC scheme for Vehicle-to-Infrastructure communications

Cite
BibTeX Plain Text
  • @INPROCEEDINGS{10.1109/ChinaCom.2011.6158239,
        author={lin zhang and zi Wang and Yu Liu and Teng Jiang},
        title={Mobility and QoS oriented 802.11p MAC scheme for Vehicle-to-Infrastructure communications},
        proceedings={6th International ICST Conference on Communications and Networking in China},
        publisher={IEEE},
        proceedings_a={CHINACOM},
        year={2012},
        month={3},
        keywords={vehicular ad hoc networks (vanets) 80211p fairness delay throughput},
        doi={10.1109/ChinaCom.2011.6158239}
    }
    
  • lin zhang
    zi Wang
    Yu Liu
    Teng Jiang
    Year: 2012
    Mobility and QoS oriented 802.11p MAC scheme for Vehicle-to-Infrastructure communications
    CHINACOM
    IEEE
    DOI: 10.1109/ChinaCom.2011.6158239
lin zhang1,*, zi Wang1, Yu Liu1, Teng Jiang1
  • 1: beijing univeristy of posts and telecommunications
*Contact email: zhanglin@bupt.edu.cn

Abstract

Vehicles in Intelligent Transportation System (ITS) can communicate with other vehicles or roadside unit (RSU) within a specific area. In ITS, different services have different requirements of QoS. For delay-tolerant services, a longtime fairness should be guaranteed, which means vehicles with different speeds should have the same chance to communicate with RSU. What’s more, the throughput is a key QoS metric for delay-tolerant services. While for real-time services, a low average delay should be achieved. In this paper, we build a Mixed-Service-Mobility (MSM) model to analyze the interaction among different services under high-speed mobility condition. By adjusting the minimum contention window size of 802.11p MAC dynamically, we succeed in providing a balance between the throughput of delay-tolerant services and the average delay of real-time services on the basis of ensuring the longtime fairness of delay-tolerant services. The proposed analytical model is validated to demonstrate its accuracy and effectiveness.

Keywords
vehicular ad hoc networks (vanets) 80211p fairness delay throughput
Published
2012-03-27
Publisher
IEEE
http://dx.doi.org/10.1109/ChinaCom.2011.6158239
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