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|Title:||Mobile target tracking for healthcare applications: Trade-off between accuracy and energy||Authors:||Han, M.
|Issue Date:||2008||Citation:||Han, M.,Shirazi, G.N.,Wang, P.,Tham, C.K. (2008). Mobile target tracking for healthcare applications: Trade-off between accuracy and energy. 2008 10th IEEE Intl. Conf. on e-Health Networking, Applications and Service, HEALTHCOM 2008 : 206-211. ScholarBank@NUS Repository. https://doi.org/10.1109/HEALTH.2008.4600137||Abstract:||In healthcare-related human tracking applications for wireless sensor networks, introducing a mobile sensor node into a static node deployment increases its tracking accuracy as the mobile node can move close to the target to obtain more accurate measurements. However this incurs additional energy cost, which is dominated by the energy arising from sensor node mobility, which we term mobility energy. Based on our analysis, we propose a mobility algorithm for the mobile node to follow the target depending on separation distance, and we analyze the achievable tracking accuracy with corresponding mobility energy cost. From simulations, we observe the effect of varying mobility parameter pm on tracking accuracy and mobility energy. We study this trade-off using a weighted cost function which is minimized for a given weight λ, so as to find the optimal pm that balances tracking accuracy with energy consumption. © 2008 IEEE.||Source Title:||2008 10th IEEE Intl. Conf. on e-Health Networking, Applications and Service, HEALTHCOM 2008||URI:||http://scholarbank.nus.edu.sg/handle/10635/83963||ISBN:||9781424422814||DOI:||10.1109/HEALTH.2008.4600137|
|Appears in Collections:||Staff Publications|
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