A Markov Chain Analysis Model of IEEE 802.11p

被引:11
|
作者
Tian, Jin [1 ]
Liu, Ren-Ping [2 ]
Lin, Shang-Jing [3 ]
机构
[1] Jinling Inst Technol, Sch Telecommun Engn, Nanjing, Jiangsu, Peoples R China
[2] Univ Technol Sydney, Sch Comp & Commun, Sydney, NSW, Australia
[3] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing, Peoples R China
关键词
802.11p; Markov Chain; Deferring; Delay; QOS ANALYSIS;
D O I
10.1145/3180496.3180598
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Quality of Service (QoS) is a critical issue for the broadcast scheme of IEEE 802.11p systems in Vehicular Ad hoc Networks (VANETs)(1). We present a 3-dimensional (3-D) Markov chain model to accurately solve for the broadcast scheme of 802.11p systems. The 3th dimension models remaining frozen time in the deferring period. The 3-D model solutions are validated by key simulations. Our analyses reveal that the lack of retransmission in the 802.11p system results in poor QoS performance during heavy traffic load, particularly for large VANETs.
引用
收藏
页码:1 / 5
页数:5
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