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In this paper we propose a new clustering based data gathering mechanism for large scale wireless sensor networks. Our proposed mechanism first stores the locations of the sensors by GPS information and then sends a mobile data-collector (which can be an autonomous robot or a vehicle equipped with a transceiver and battery) which can move into the whole sensing field like a movable base station and...
The recent advances in radio and embedded system technologies have enabled the proliferation of wireless microsensor networks. Such wirelessly connected sensors are released in many diverse environments to perform various monitoring tasks. The effectiveness of these networks is determined to a large extent by the coverage provided by the sensor deployment. The positioning of sensors affect coverage,...
This paper presents a novel Virtual Circle Combined Straight Routing (VCCSR) algorithm for a mobile sink to collect data in wireless sensor networks. Tree-based routing is a common scheme to collect data from sensors to a sink. Most of the previous proposed tree-like aggregation approaches are not suitable for mobile sink, because the routes between sink and sensors have to be reconstructed when a...
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