Performance modeling and analysis of the ADHOC MAC protocol for vehicular networks

被引:17
|
作者
Wu, Qiong [1 ,2 ]
Zheng, Jun [1 ]
机构
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
[2] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Shanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
ADHOC; MAC; Performance modeling; VANET; HOC; ARCHITECTURE; BROADCAST;
D O I
10.1007/s11276-015-1000-6
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The ADHOC MAC protocol is a classical MAC protocol for supporting reliable broadcast services in vehicular ad hoc networks (VANETs). This paper develops an analytical model for analyzing the access performance of the ADHOC MAC protocol. A Markov chain is first constructed to describe the number of vehicles which have acquired a timeslot successfully at the end of a frame when using the ADHOC MAC protocol. Based on the Markov model, an analytical model is then derived to describe the relationship between the frame length and the channel utilization. Based on the derived analytical model, an optimal frame length that maximizes the channel utilization is further obtained. Simulation experiments are conducted to verify the effectiveness of the analytical model.
引用
收藏
页码:799 / 812
页数:14
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