Browsing by Author "Khudhuragha, Mohammed"

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    Master Thesis
    Indoor Location Estimation Through Redundant Lateration for Indoor Positioning System
    (Kadir Has Üniversitesi, 2017) Khudhuragha, Mohammed; Dağ, Tamer; Da?, Tamer
    The simplest way to describe indoor Positioning Systems (iPS) is that it’s like a Global Positioning System (GPS) for indoor environments. iPS can be used to locate objects or people inside buildings typically via a mobile device such as a smart watch orsmart phone or tablet. Although the technology is newer than GPS services that leverage iPS are quickly gaining attention in places like art galleries museums shopping malls hospitals airports and other indoor venues where navigation and other location-based services (LBS) can prove to be necessary. in this thesis we are suggesting a new method of location estimation by inhancing the lateration method by using the redundant method which uses normal lateration to calculate the location of the point by calculating the location of the same point 4 times but with different groups of access points (123 124 134 and 345). Then we started collecting the RSSi for these groups and convert it in to distances and estimate the location from these distances and the results for these tests will be compared with the final results. Our results are statistical results for comparison in real life. Our algorithm will chose the best result out of the 4 groups which is average error 2.470399 minimum error 0.254138 maximum error 9.822816 standard deviation 1.371947 and the number points with error above 3 meters 48.