Design of a four receiver UWB radio locator

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Supervisor:
Fehér Gábor
Department of Broadband Infocommunications and Electromagnetic Theory

Nowadays, with the spread of portable communication devices and the advancement of technology, there is a growing demand for high speed wireless communication methods.

UWB-IR is a new, wireless technology, which is expected to be far more successful on various areas of use than its competitors. With wideband signals its preferred use is mostly in indoor environments, where other technologies may fail to compete due to the high level of reflections. Using very short impulses, even in these environment its signals are easy to detect. Due to these qualities, UWB-IR can successfully address technological challenges in the areas of use which requires high resolution of timing.

One of the hot topics of these days is precisely of the aforementioned area of use: the indoor positioning. It is now considered essential to have GPS-based positioning in a wide range of devices, however due to technology limitations, the use of this tool is only possible outdoors. Today’s technological standards allows to create an indoor, high-precision positioning system, but the costs of implementing such system makes it economically inefficient.

However, UWB-IR offers a solution for this issue. Using this technology helps to realize the kind of system described above, and also offers technically more sophisticated way of service than its alternatives.

This paper provides the design procedure and implementation of an UWB-based indoor positioning system, including details on the hardware and software sides.

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