High resolution ranging apparatus and method using UWB

Details High resolution ranging apparatus and method using UWB High resolution ranging apparatus and method using UWB

2005-12-26

2010-06-01

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining distance

C342S192000, C342S196000, C455S065000

Reexamination Certificate

active

07728763

ABSTRACT:
Provided is a high resolution distance ranging apparatus using an ultra-wideband (UWB) communication. The apparatus includes: a first spectrum analyzer for extracting a frequency component corresponding to multipath time delay from a reception signal; a second spectrum analyzer for acquiring a noise subspace of the extracted frequency component and extracting a frequency component where maximum power is located from a frequency spectrum based on the noise subspace; a time of arrival (TOA) extractor for extracting TOA based on the frequency component where maximum power is located.

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