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Target tracking and mobile sensor navigation in wireless sensor networks
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Target tracking and mobile sensor navigation in wireless sensor networks

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  • 1. TARGET TRACKING AND MOBILE SENSOR NAVIGATION INWIRELESS SENSOR NETWORKSABSTRACT:This work studies the problem of tracking signal-emitting mobile targets using navigated mobilesensors based on signal reception. Since the mobile target’s maneuver is unknown, the mobilesensor controller utilizes the measurement collected by a wireless sensor network in terms of themobile target signal’s time of arrival (TOA). The mobile sensor controller acquires the TOAmeasurement information from both the mobile target and the mobile sensor for estimating theirlocations before directing the mobile sensor’s movement to follow the target.We propose a min-max approximation approach to estimate the location for tracking which canbe efficiently solved via semidefinite programming (SDP) relaxation, and apply a cubic functionfor mobile sensor navigation. We estimate the location of the mobile sensor and target jointly toimprove the tracking accuracy. To further improve the system performance, we propose aweighted tracking algorithm by using the measurement information more efficiently. Our resultsdemonstrate that the proposed algorithm provides good tracking performance and can quicklydirect the mobile sensor to follow the mobile target.ECWAY TECHNOLOGIESIEEE PROJECTS & SOFTWARE DEVELOPMENTSOUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORECELL: +91 98949 17187, +91 875487 2111 / 3111 / 4111 / 5111 / 6111VISIT: www.ecwayprojects.com MAIL TO: ecwaytechnologies@gmail.com