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Geographic routing is becoming an attractive routing solution for WSNs since it offers a radical departure from traditional topology-dependent routing paradigms through use of geographic location in data delivery. However, it often suffers from the routing hole, referring to an area free of nodes in the direction closer to destination, in various real-world environments such as buildings and obstacles,...
With the fast growth of various mobile terminals, the heterogeneous terminals that have different capabilities and resources are required and mixed in the deployment. Using this feature, we can improve the routing protocol. The available routing protocols for mobile Ad Hoc networks are designed mainly for homogeneous wireless networks. The heterogeneous wireless networks are now needed urgently in...
In dynamic wireless networks, effective modeling on link behavior would lead the network protocol design towards a predictive and reasonable way. Emerging mobile ad hoc network (MANET), however, is of self-organizing and infrastructureless paradigm, where topology dynamics are highly related to many complicated parameters, such as node density, mobility model, and transmission range etc, which make...
This paper analyzes the mobile model and communication mode of the hierarchical wireless networks, and proposes a new hybrid routing protocol (HRP) for the heterogeneous wireless networks. The routing protocol divides the network coverage area into many units, and selects the nodes which have high energy, long transmission radius and strong reliability as the bone nodes. This paper also presents the...
Mobile ad-hoc network (MANET) is an appealing technology that has attracted lots of research efforts over past years. Although the principle of wireless, structure-less, dynamic networks is attractive, there are still some major flaws that prevent commercial expansion. Security is one of these main barriers; MANETs are known to be particularly vulnerable to security attack. One solution proposed to...
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