Monitoring Quality Optimization in Wireless Sensor Networks With a Mobile Sink

The exploitation of sink mobility has been proven to improve various network performance significantly, including network lifetime, data delivery latency, network connectivity, and so on. In this paper, the authors consider a novel network model consisting of sensors, gateways, and a mobile sink, which can be applied to many realistic applications such as city traffic monitoring, patients monitoring, and forest fire surveillance. They assume that there is a roadmap in the monitoring region for the mobile sink to access, and gateways are located on roads. The mobile sink moves at a constant speed along a closed tour of roads to collect data from gateways.

Provided by: Association for Computing Machinery Topic: Mobility Date Added: Nov 2011 Format: PDF

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