NDLI: Location of mobile terminals with quantized measurements

Content Provider	IEEE Xplore Digital Library
Author	McGuire, M.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Victoria Univ., BC (McGuire, M.)
Abstract	This paper introduces a new method for locating mobile terminals for wireless networks in dense urban locations based on low-cost quantized propagation time measurements. The joint probability density functions (PDFs) of the mobile terminal location and measurements are approximated as Gaussian mixture models based on survey data collected in the network area. Optimization is performed to find a Gaussian mixture model which describes the survey set with a minimum number of bits. This reduces the effects of over-fitting of the survey data on the approximate PDF. The approximate joint PDF of terminal location and measurements is used to estimate the location of mobile terminals and the covariance of the location error. It is shown how this error covariance can be used with Kalman filtering to combine past location estimates with the current location estimate and further reduce location error
Starting Page	2045
Ending Page	2049
File Size	1617976
Page Count	5
File Format	PDF
ISBN	9783800729098
DOI	10.1109/PIMRC.2005.1651799
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Urban areas Loss measurement Wireless networks Time measurement Probability density function Area measurement Density measurement Kalman filters Filtering Resource management
Content Type	Text
Resource Type	Article

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