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Content sharing, dissemination and collaboration in open environments require the ability to send and combine data packets across network even in the absence of an end-to-end connected path [1]. User mobility plays a fundamental role in selection of intermediate relays for multi-hop communication [2]. Current schemes do not take into account the effect of power law distribution of inter-contact times,...
The performance of Mobile Ad Hoc Networks (MANETs) is influenced by many factors including node mobility, node density, and wireless transmission range. The mobility model representing the moving behavior of mobile nodes plays an important role in performance analysis and simulation of MANETs. In this paper, we first investigate the effect of node mobility on two fundamental characteristics of MANETs:...
A principal factor in sensor network design is energy efficiency. In this work, we propose to extend the lifetime of sensor networks using appropriate choice of sensor node distribution. The key idea of our scheme is to deploy more nodes in areas of extensive energy usage. Using this scheme of sensor node distribution, we use probabilistic angular routing to route data packets from the sensor nodes...
Sink mobility has become an increasingly important requirement of various sensor network applications. Handling such mobile sink conditions brings new challenges to large-scale sensor networking. This investigation proposed a hybrid-structure routing protocol (HSRP) that combines the benefits of grid-based and cluster-based structures. Grid-based structure is designed to solve the cluster head selection...
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