Phd thesis on uwb library

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Home Graduate Thesis Or Uwb library. Ultra-wideband indoor localization systems Public Deposited. You do not have access to any existing collections.

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Ultra-wideband Antennas and Components for Wireless Communication Systems

Global positioning system GPS offers location accuracy of several meters and is mainly used for phd thesis location-based applications as its accuracy degrades significantly in indoor scenarios. Wireless local area networks WLAN have also been used for indoor localization, but the accuracy phd thesis on uwb library too low and power consumption of WLAN terminals is too high for most applications.

Ultra-wideband UWB localization is superior in terms of accuracy and power consumption compared uwb library GPS and WLAN localization, and is thus more suitable for most indoor location-based applications phd thesis on uwb library. The accuracy and precision requirements phd thesis localization systems depend on the specific characteristics harvard form dissertation format the applications.

For example, centimeter or even millimeter localization accuracy check this out required for dynamic part tracking, while decimeter accuracy might be sufficient for tracking patients in hospitals or at home.

Note that accuracy is not the only aspect of the overall performance of the system.

Factors such as cost, range, and complexity uwb library also be considered in system design. In the first part of this dissertation, a centimeter-accurate UWB localization system is developed. The technical challenges to achieve phd thesis on uwb library localization accuracy are investigated.

Since all phd thesis on uwb library receivers are synchronized through wire connection in this system, a wireless localization system with centimeter accuracy is introduced in order to make the system easier for deployment. A library synchronization algorithm with picosecond accuracy is presented, and the system is tested in a phd thesis environment.

The second part of this dissertation focuses on reducing the complexity of UWB localization systems when the localization accuracy requirement is relaxed.

An UWB three-dimensional localization scheme with a single cluster of receivers is proposed. This scheme employs the time-of-arrival TOA technique and requires no wireless synchronization among the receivers.

A hardware and software prototype that works in the 3. An average position estimation error of less than 3 decimeter is phd thesis on uwb library by the experimental click.

This TOA phd thesis on uwb library with receivers in a single unit requires uwb between the transmitter and the receiver unit. In order to further reduce system complexity, a new time-difference-of-arrival localization scheme is proposed. This scheme uwb library multiple units, each operating on its own clock.

It avoids synchronization between the transmitter phd thesis on uwb library receivers, and thus makes the phd thesis on uwb library of the transmitter extremely simple. The performance of this system is simulated and analyzed analytically, and turns out to be satisfactory for most indoor localization applications. Approved for entry into archive by Julie Kurtz julie.

Made available in DSpace on T Submitted by Ruiqing Ye yer onid. Approved for entry into archive by Uwb library Wilson laura.

This work has no parents. Indoor localization systems have a variety of applications such as tracking of assets, indoor robot navigation, and monitoring of people here. Doctor of Philosophy Ph.

Electrical and Computer Engineering. Electrical Engineering and Computer Science. Automatic tracking Ultra-wideband devices Geographical positions Location-based services.

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