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Channel assignment has become a very important research area nowadays. In this paper, we study the existence of Nash Equilibria of selfish channel assignment in Aloha-type multi-channel multi-radio (MCMR) wireless networks. Our analysis shows that selfishness leads to balanced channel assignment in a single collision domain, while usually unbalanced solutions in multiple collision domains. We also...
Modeling complicated vehicular traffic behavior and the associated network connectivity in urban areas has been a challenging task for the past several years. In this paper, we study how intersections and two-dimensional road topology affect the connectivity behavior of traffic in urban areas. To better understand this phenomenon, we investigate both static and dynamic aspects of network connectivity...
In this study, we analyze last encounter based routing protocol (eg., FResher Encounter SearcH, or FRESH) that utilizes encounter history to create time (or age) gradients for information diffusion in wireless networks. FRESH protocols can be used for resource discovery, routing or node location, and hold great promise for future wireless networks. We provide the first study on sensitivity of this...
The 802.11-p based dedicated short range communication (DSRC) is being seriously considered as a promising wireless technology for enhancing transportation safety and highway efficiency. However, to-date, there is very little research done in characterizing the reliability of DSRC communication based on real-world experimental data, and its effect on the reliability of vehicle safety applications...
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