Geographic Routing In Multilevel Scenarios Of Vehicular Ad Hoc Networks.







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Authors: Lina ZhuChangle LiBingbing LiXinbing WangGuoqiang Mao
Published in: IEEE Transactions On Vehicular Technology
Year: 2016   
DOI: 10.1109/TVT.2015.2499205
Citations: 0
vehicular ad hoc networks \( vanets \) present a multilevel feature when vehicles move in multilevel scenarios , such as viaducts , tunnels and ramps different from the city and highway scenarios , the complicated node distribution and transmission condition make the routing decision more challenging in the multilevel environment to address the issue , this paper investigates geographic routing protocols for the multilevel scenario of vanets we first reveal the impacts of the multilevel feature on network characteristics by an outdoor transmission experiment and a stochastic analysis in particular , the measured data and analysis results show that the wireless transmission range dramatically degrades , which deteriorates the connectivity probability and the performance of geographic routing protocols in the network motivated by the above results , we propose a multilevel scenario oriented greedy opportunity routing protocol \( m gor \) in the protocol , we present a calculation method for the connectivity probability , and a greedy opportunity forwarding algorithm to respond the impacts of the multilevel structure both the analysis and simulation results demonstrate benefits of m gor in terms of the average hop count and delivery ratio
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