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Wireless sensor networks (WSNs) enable pervasive, ubiquitous, and seamless communication with the physical world. This paper presents P2P multi-agent data transfer and aggregation system architecture in WSNs. The architecture includes four types of agents: interface, query, routing, and data acquisition agents. The interface agent interacts with the users to fulfil their interests. The routing agent...
Common applications of sensor networks include continuous monitoring where sensors are deployed over a region and the sensed data are gathered at a distant base station periodically. In each round of data gathering, our MITECRO protocol minimizes the total energy consumption of the sensor network. This may however unbalance energy consumption over all sensor nodes. As a result, few nodes may die earlier...
Wireless sensor networks (WSNs) are commonly used for continuously monitoring applications. This paper investigates a base station assisted energy efficient routing for hierarchical clusters. The base station determines the number of clusters and the initial set of headset members. Moreover, instead of a single cluster head, a set of associates called a head-set manages the network clusters. The head-set...
In this paper we present the simulation-based performance evaluation and tuning of data dissemination in wireless sensor networks. The simulation uses directed diffusion protocol for query and data dissemination. The implementation is done in Java using eclipse. The simulation includes four phases: interest propagation, gradient establishment, data propagation, and reinforcement of path establishment...
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