Document Type thesis Author Name Zand, Emad Dolatshahi URN etd-0428103-130325 Title Measurement of TOA Using Frequency Domain Techniques for Indoor Geolocation Degree MS Department Electrical & Computer Engineering Advisors Kaveh Pahlavan, Advisor Allen Levesque, Committee Member Kevin A. Clements, Committee Member Keywords Indoor Geolocation TOA Date of Presentation/Defense 2003-04-21 Availability unrestricted
Frequency domain techniques have been widely used in indoor radio propagation measurements and modeling for telecommunication applications. This work addresses measurement of the time of arrival (TOA) of the first path for geolocation applications using results of frequency domain channel measurements. First, we analyze the effect upon TOA measurement accuracy due to: sampling period of the radio channel in the frequency domain, sampling period in the time domain used for detection of the TOA and the windowing filter used before transformation to the time domain. Then, we provide some results of measurement made in line of sight (LOS) and Obstructed LOS (OLOS) indoor environments in order to compare the characteristics of the measured TOA in these two important scenarios for indoor geolocation applications. Finally, we compare the measurement results with the ray tracing based model that had been developed previously for indoor geolocation applications.
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