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A mobile ad hoc network (MANET) is a kind of wireless ad hoc network. It is a self-configuring network of mobile routers connected by wireless links. Since MANETs do not have a fixed infrastructure, it is a challenge to design a location management scheme that is scalable, cost-efficient and reliable. In this paper, we propose a reliable backbone based location management scheme, called RBLMS, for...
With continuously development of the ad hoc network technology, integrating with other networks becomes one of the trends. Due to the involvement of other networks, routing strategy needs to change with the development. To considerate the key factors whose influence are serious comprehensively is needed. For those reasons, this paper proposes a novel concept of the optimal routing function, which...
Higher-powered relay nodes have been proposed as cluster heads in hierarchical sensor networks to increase the network connectivity, coverage and lifetime. Determining an appropriate placement scheme of the relay nodes that ensures adequate coverage and connectivity, while using a minimum number of relay nodes, is an important design problem and a significant amount of work has been done in this area...
The benefits of using mobile base station to prolong sensor network lifetime have been well recognized. However, due to the complexity of the problem (time-dependent network topology and traffic routing), theoretical performance limit and provably optimal algorithms remain difficult to develop. This paper fills this important gap by contributing theoretical results regarding the optimal movement of...
Group communications in wireless networks has been facilitating many emerging applications that require packet delivery from one or more sender(s) to multiple receivers. Due to insecure wireless channels, group communications are susceptible to various kinds of attacks. Although a number of proposals have been reported to secure group communications, provisioning security in group communications in...
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