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Optimization Design and Performance Analysis of Improved IEEE802.11p MAC Mechanism Based on High Mobility of Vehicle

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  • Jiankui Peng
  • Suoping Li
  • Zufang Dou
  • Sa Yang
  • Erich Leitgeb

Abstract

The high-speed movement of vehicles is the core factor affecting the rapid development of vehicular ad hoc network (VANET), especially the impact of vehicle mobility on data access and transmission performance. However, the classic IEEE802.11p data access and transmission protocol are still used in the multi-hop VANET under the highway system, which is adopted in the low-speed environment. Therefore, the impact of vehicle movement on the performance of the existing network is analyzed theoretically, and it is found that the network performance will be greatly reduced with the increase of vehicle speed. In order to improve the network performance in high-speed environment, an improved network access transmission protocol is proposed. Through Markov modeling, the analytic expressions of system delay, throughput, and packet loss rate are obtained. Finally, the effectiveness of the improved mechanism is verified by comparing the simulation results of two mechanisms.

Suggested Citation

  • Jiankui Peng & Suoping Li & Zufang Dou & Sa Yang & Erich Leitgeb, 2022. "Optimization Design and Performance Analysis of Improved IEEE802.11p MAC Mechanism Based on High Mobility of Vehicle," Mathematical Problems in Engineering, Hindawi, vol. 2022, pages 1-14, June.
    • Handle: RePEc:hin:jnlmpe:8974673
    DOI: 10.1155/2022/8974673
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