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- W2073358422 abstract "This paper investigates indoor outdoor geolocation of cellular handsets based on signal strength difference of arrival (SSDOA) which taken by a cellular handset of the surrounding base stations. To predict and generate SSDOA maps, propagation and penetration models are built to represent different environments. This location system generates the location fix by matching the SSDOA signature to the predicted received signal strength database(PSD).The closest match gives the location estimate. Cramer rao lower bound(CRLB) is derivate. To improve the accuracy, firstly, this paper analyzes the main cause of measurement errors and the method of reducing measurement errors. Secondly, a simulation experiment has been conducted based on typical parameters which play an important role of location accuracy, to find the relationship between parameters and accuracy. Finally, this paper gives a conclusion according to detailed analysis." @default.
- W2073358422 created "2016-06-24" @default.
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- W2073358422 date "2013-03-20" @default.
- W2073358422 modified "2023-09-23" @default.
- W2073358422 title "Research on signal strength difference of arrival based indoor outdoor geolocation" @default.
- W2073358422 doi "https://doi.org/10.1117/12.2010626" @default.
- W2073358422 hasPublicationYear "2013" @default.
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