Panichpapiboon, Sooksan
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Panichpapiboon, Sooksan
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sooksan.pa@kmitl.ac.th
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Item type:Publication, Connectivity requirements for vehicular networks with single-hop broadcasting(2009-12-01); Pattara-Atikom, WasanIn a vehicular ad hoc network (VANET), an information can generally be disseminated by using either a multi-hop broadcasting protocol or a single-hop broadcasting protocol. While in our earlier work we analyze the connectivity requirements in a network that employs a multi-hop broadcasting protocol, in this paper we extend our analysis to model the connectivity in a network that uses a single-hop broadcasting protocol. Our goal is to develop a model that is able to describe the relationship among the flow rate, the broadcast rate, and the network connectivity. As an initial step, in this paper, we determine the fundamental relation between the flow rate and the network connectivity. ©2009 IEEE. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Irresponsible forwarding under real intervehicle spacing distributions(2013-01-01); Cheng, LinOne approach to the distribution of traffic information in a self-organizing traffic information system is multihop broadcasting. In this approach, each vehicle may simply rebroadcast an information packet that it receives from the others. However, rebroadcasting results in redundant retransmissions of the same information, leading to a useless occupation of the radio channel. Minimizing redundancy, while still guaranteeing reachability in the network, is a challenging task in multihop broadcasting. In our previous work, we introduced a new probabilistic-based broadcasting scheme, i.e., Irresponsible Forwarding (IF) , which could effectively reduce the redundancy. However, in the previous work, we only considered the scenario where the intervehicle spacing was exponentially distributed. In this paper, we generalize the concept of IF such that it can be applied to any intervehicle spacing distribution. In addition, we evaluate the performance of the IF protocol when it is applied in a realistic scenario (i.e., using real traffic traces). This paper shows that the IF protocol is able to limit packet redundancy all hours of the day effectively. © 1967-2012 IEEE.