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Due to uncertainties in target motion and limited sensing regions of sensors, single-sensor-based collaborative target tracking in wireless sensor networks (WSNs), as addressed in many previous approaches, suffers from low tracking accuracy and lack of reliability when a target cannot be detected by a scheduled sensor. Generally, actuating multiple sensors can achieve better tracking performance but...
In existing distributed target tracking systems, usually the next tasking sensor node is selected from the candidate sensor nodes by the current tasking sensor node. In this paper we demonstrate by a real test-bed that such approach may not achieve satisfactory tracking performance due to the long computation time needed for sensor scheduling. We develop a distributed target tracking system implementing...
Tracking is an essential capability in many wireless sensor network (WSN) applications. Due to the probabilistic nature of the target movement and the limited detection region and miss detection of sensor, this existing single sensor sensing scheme may result in tracking failure when a scheduled sensor fails to detect the target. We present an adaptive multi-sensor scheduling algorithm for collaborative...
Due to uncertainties of target and limited sensing range and possible miss detection of sensor, single sensor based collaborative target tracking, as addressed in existing literature, suffers from the low tracking accuracy and unreliability problem when a scheduled sensor fails to detect the target. In this paper, a multi-sensor scheduling scheme for collaborative target tracking in WSNs is proposed...
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