High Resolution Ranging Apparatus and Method Using Uwb
First Claim
1. A high resolution distance ranging apparatus using a ultra-wideband (UWB) communication, comprising:
- a first spectrum analyzing means for extracting a frequency component corresponding to multipath time delay from a reception signal;
a second spectrum analyzing means 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) extracting means for extracting TOA based on the frequency component where maximum power is located.
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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.
23 Citations
12 Claims
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1. A high resolution distance ranging apparatus using a ultra-wideband (UWB) communication, comprising:
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a first spectrum analyzing means for extracting a frequency component corresponding to multipath time delay from a reception signal; a second spectrum analyzing means 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) extracting means for extracting TOA based on the frequency component where maximum power is located. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A high resolution distance ranging method using an ultra-wideband (UWB) communication, comprising the steps of:
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a) extracting a frequency component corresponding to multipath time delay from a reception signal; b) acquiring a noise subspace of the extracted frequency component and extracting a frequency component where maximum power is located from the frequency spectrum based on the noise subspace; and c) extracting a time of arrival (TOA) based on the frequency component where the maximum power is located. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification