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We consider the online data gathering problem in wireless sensor networks and examine the key issues of load balancing the nodes to achieve longer network lifetime, and that of load balancing the network links to achieve greater reliability in the network. We model the given network as a shortest-path DAG D, which defines a set of parent nodes for each node that determine the minimum-hops paths from...
In wireless sensor networks, it is an important task to periodically collect data from an area of interest for time-sensitive applications. The sensed data must be gathered and transmitted to a base station for further processing to meet the end-user queries. Since the network consists of low-cost nodes with limited battery power, it is a challenging task to design an efficient routing scheme that...
Congestion avoid in wireless sensor networks is a critical issue, it will not only affect transmission reliability, and will waste valuable energy resources. In order to reduce the wireless sensor network routing instability, we proposed a novel altering routing congestion control protocol for wireless sensor networks (CAAR). In this paper, we develop: 1) based on cognition detection technology to...
This short paper presents practical algorithms for mitigating inefficiency in reliability differentiation service based on geographical stateless routing, which has great potential applications in large scale wireless sensor networks (WSN). Based on available algorithm, the paper presents a mathematical formalization to systematic understanding the multipath redundancy problem of WSN. With the information...
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