Asynchronous two-way ranging using Tomlinson-Harashima precoding and UWB signaling

Authors:
Chih-Yu Wen;Jun-Koh Chen;William A. Sethares
Affiliations:
The Department of Electrical Engineering, Graduate Institute of Communication Engineering, National Chung Hsing University, Taichung, Taiwan;The Department of Electrical Engineering, Graduate Institute of Communication Engineering, National Chung Hsing University, Taichung, Taiwan;The Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Madison, WI
Venue:
EURASIP Journal on Wireless Communications and Networking
Year:
2008

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Abstract

This paper demonstrates two methods which simultaneously undertake synchronization and ranging based on a time-of-arrival approach with bidirectional communication to bypass the need for accurate synchronous clocking. In order to alleviate multipath effects, Tomlinson-Harashima precoding and UWB signaling are used to measure the distance between pairs of sensors. The proposed schemes are shown to be effective under certain assumptions and the analysis is supported by simulation and numerical studies.