Improving Ranging Accuracy in Ultra-Wideband Time-of-Flight Systems by Enhanced Detection of the First Peak 


Vol. 49,  No. 3, pp. 409-414, Mar.  2024
10.7840/kics.2024.49.3.409


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  Abstract

This paper proposes an enhanced range estimation technique in ultra-wideband (UWB) communication systems. UWB, by utilizing the wide bandwidth, allows more accurate range estimation than other communication-based ranging systems. To measure and correct for the clock offset of the transmitter and receiver, three transmissions are used for each ranging session. By utilizing all three transmissions, a lower ranging error can be achieved. The improved range estimation was achieved by assuming that the earliest arriving case among the three estimated first peaks is the actual first peak. By correcting the range bias value that occurs when the first peak is missed, an improved median error of 0.48 m was achieved, compared to the 0.71 m error of the conventional technique (AltDS-TWR).

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  Cite this article

[IEEE Style]

D. Ham and S. Kim, "Improving Ranging Accuracy in Ultra-Wideband Time-of-Flight Systems by Enhanced Detection of the First Peak," The Journal of Korean Institute of Communications and Information Sciences, vol. 49, no. 3, pp. 409-414, 2024. DOI: 10.7840/kics.2024.49.3.409.

[ACM Style]

Doyoung Ham and Seong-Choel Kim. 2024. Improving Ranging Accuracy in Ultra-Wideband Time-of-Flight Systems by Enhanced Detection of the First Peak. The Journal of Korean Institute of Communications and Information Sciences, 49, 3, (2024), 409-414. DOI: 10.7840/kics.2024.49.3.409.

[KICS Style]

Doyoung Ham and Seong-Choel Kim, "Improving Ranging Accuracy in Ultra-Wideband Time-of-Flight Systems by Enhanced Detection of the First Peak," The Journal of Korean Institute of Communications and Information Sciences, vol. 49, no. 3, pp. 409-414, 3. 2024. (https://doi.org/10.7840/kics.2024.49.3.409)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880