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Double Reply ToA Algorithm Robust to a Timer Offset for a UWB System
Jae Ho HWANG Jae Moung KIM
Publication
IEICE TRANSACTIONS on Communications
Vol.E92-B
No.6
pp.2218-2221 Publication Date: 2009/06/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.2218 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fundamental Theories for Communications Keyword: UWB, ranging, ToA, timer offset,
Full Text: PDF>>
Summary:
This paper deals with a new ranging algorithm in an ultra-wideband system. The conventional ToA algorithm determines the distance between devices by estimating the propagation time. However, due to different timer offsets in each device, the accuracy of this estimation can be compromised. In this paper, a double reply ToA algorithm is proposed to increase the ranging accuracy without increasing hardware complexity.
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