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Robust Tracking in Cellular Networks Using HMM Filters and Cell-ID Measurements

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4 Author(s)
Bshara, M. ; Dept. of Fundamental Electr. & Instrum., Vrije Univ. Brussel (VUB), Brussels, Belgium ; Orguner, U. ; Gustafsson, F. ; Van Biesen, L.

A localization algorithm based on cell identification (Cell-ID) information is proposed. Instead of building the localization decisions only on the serving base station, all the detected Cell-IDs (serving or nonserving) by the mobile station are utilized. The statistical modeling of user motion and the measurements are done via a hidden Markov model (HMM), and the localization decisions are made with maximum a posteriori estimation criterion using the posterior probabilities from an HMM filter. The results are observed and compared with standard alternatives on an example whose data were collected from a worldwide interoperability for microwave access network in a challenging urban area in the Brussels capitol city.

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Vehicular Technology, IEEE Transactions on  (Volume:60 ,  Issue: 3 )