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Wireless Sensor Network is application specific data centric networks, having application span ranging from house hold application to mission critical applications. Applications like fire detection require immediate attention from the base station. Further these networks are resource constrain networks which require efficient utilization of scare resources. IEEE 802.15.4 is one of the low power, low...
Wireless Sensor Network is data centric network that works on query reply mechanism with various types of quires. Rumor routing is on of the data centric routing algorithm for Wireless Sensor Networks. Literature shows that Rumor routing algorithm is energy efficient than the Ant Colony Optimization, Gossip Routing, Deterministic Flooding and Directed Diffusion. Data centric WSN works has various...
Wireless sensor networks are application specific,data centric networks where different applications run on deployed network. Each application interprets the underlying sensor network differently and each changing event has different effect on running applications.In this paper we have proposed context aware middleware architecture called as 'MidSen'. This architecture bridges the gap between multiple...
In resource constrained wireless sensor networks (WSN), it is highly desirable to make efficient use of available buffer. Hence for the WSN designed for the monitoring applications, buffer management is a key requirement at sensor nodes. We have proposed an efficient buffer management scheme based on random linear network coding as the in-network processing on data packets. With buffer allocation...
Wireless sensor network is a densely deployed resource stress network where each small chunk of resource adds the high value to over all network functionality. Topology control is a technique through which network controls it's dense deployment for efficient resource utilization. This article examines the classification of topology control of emerging wireless sensor network field, based on different...
Wireless communication is the most energy expensive operation for energy constrained wireless sensor networks. Dynamic modulation scaling (DMS) is a technique useful for optimizing transmission energy with respect to number of packets that need to be transmitted at that particular time intervals. In general, DMS trades off transmission energy against transmission delays. Multilevel (M-ary) modulation...
Clustering is proven method for energy efficient topology generation. However, in cluster formation high focus is given on cluster head selection while intra-cluster topology generation is not given much attention. In this paper, we have proposed intra-cluster topology-generation method for heterogeneous wireless sensor network (WSN). For cluster formation, we have used Voronoi tessellation with fix...
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