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Mobile ad-hoc network (MANET) is an energy constraint multi-hop network and its nodes have routing capability with limited battery power. In such a network, establishing a correct and efficient route is a crucial design issue. But a more challenging goal is to provide an energy-efficient multi-hop route between source-destination pair. Thus, the routing protocols should setup an energy-efficient route...
IEEE 802.15.4 is the emerging next generation wireless standard designed for low-rate wireless personal area networks (LR-WPAN), which suit wireless sensor networks applications. It attempts to provide a low cost, low power and short range wireless networking. The QoS is more challenging in heterogeneous wireless sensors networks, where a diverse mixture of sensors for monitoring temperature, pressure,...
In this paper, we propose an effective filtering method for skyline queries in mobile ad hoc networks (MANETs). Skyline query processing is important since skyline objects show interesting points from a large data set according to multiple criteria. Most skyline researches about wireless ad hoc network focus on optimizing the energy consumption due to the limited resource. But, most existing researches...
A mobile ad-hoc network(MANET) is a collection of mobile nodes dynamically forming a temporary network without any fixed infrastructure. The topology of MANETs changes dynamically causing frequent node failures and network partitions. Sharing of information in such networks is a challenging task. MANETs and peer-to-peer networks share several common characteristics such as self-configuration, decentralized...
Peer-to-peer networks are a popular means of obtaining large files. Network coding has been shown as an efficient means of sharing large files in a P2P network. With network coding, all file blocks have the same relative importance. This paper presents Deluge, which uses network coding to share large files in a P2P overlay running on a MANET. Peers request file blocks from multiple server nodes and...
We develop and analyze a trust management protocol for cognitive mission-driven group communication systems (GCSs) in mobile ad hoc networks (MANETs) using hierarchical modeling techniques based on stochastic Petri nets. The goal is to efficiently establish acceptable trust levels among mobile nodes without prior interactions. We seek to identify the optimal length of a trust chain among peers in...
A mobile ad-hoc network (MANET) is usually power constrained due to the limited battery energy on each node. For MANETS, energy efficiency is crucial for the design of new routing protocols. In this paper, a new energy-aware routing algorithm, called Energy Saving Ad-hoc On-demand Distance Vector (ESAODV) routing, is proposed. In the route discovery process of ESAODV, intermediate nodes estimate the...
In mobile ad hoc networks (MANETs), Quality of Service (QoS) of a multicast protocol is one of the most important performance metrics. Channel conditions and network topology frequently change, and in order to achieve a certain QoS, complex algorithms and protocols are needed. Often channel conditions are neglected during the design of a multicast protocol. However, vulnerability against channel errors...
A number of key issues arise in the implementation of scalable multicast protocols for wireless mobile ad hoc networks (MANETs), namely energy consumption and data delivery over unstable/mobile nodes. To improve scalability of these protocols, clustering has been proposed. Clustering allows reducing the number of mobile nodes participating in multicast routing algorithms, which in turn significantly...
Peer-to-Peer (P2P) networks are frequenlty used for data sharing over mobile ad hoc networks (MANETs) due to their decentralization and high tolerance to failures. However, P2P networks do not perform well on MANETs. Structured P2P networks have a high level of unsuccessful queries due to the message drops, while unstructured networks saturate quickly due to the high number of messages sent. This...
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