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The Journal of Supercomputing

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01-06-2015

Time-of-arrival estimation through WLAN physical layer systems

Authors: Dong Kyoo Kim, Yang Sun Lee

Published in: The Journal of Supercomputing | Issue 6/2015

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Abstract

Time-of-arrival (ToA) has been the most popular measurement parameter when estimating distance between two nodes, i.e., ranging. Several localization-only systems such as radar systems, satellite positioning systems, ultra-wideband systems provide their accurate ToA estimation methodologies for the ranging in their physical layer. In contrast to the localization-only systems, wireless LAN (WLAN) has no standard rule for accurate ranging method. Delay and channel uncertainty is the major problem of the ToA estimation. In this paper, delay characteristic of WLAN system is analyzed and how accurate ranging is possible using ToA estimation through WLAN physical layer round-trip time measurement. Experimental results of indoor/outdoor ranging and positioning are also provided.

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Title: Time-of-arrival estimation through WLAN physical layer systems
Authors: Dong Kyoo Kim
Yang Sun Lee
Publication date: 01-06-2015
Publisher: Springer US
Published in: The Journal of Supercomputing / Issue 6/2015
Print ISSN: 0920-8542
Electronic ISSN: 1573-0484
DOI: https://doi.org/10.1007/s11227-014-1203-0

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