An Experimental Evaluation of IEEE 802.15.4a Ultra Wide Band Technology for Precision Indoor Ranging

Tingcong Ye, Michael Walsh, Peter Haigh, John Barton, Alan Mathewson and Brendan O’Flynn
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Tingcong Ye: Tyndall National Institute, Ireland
Michael Walsh: Tyndall National Institute, Ireland
Peter Haigh: Tyndall National Institute, Ireland
John Barton: Tyndall National Institute, Ireland
Alan Mathewson: Tyndall National Institute, Ireland
Brendan O’Flynn: Tyndall National Institute, Ireland

International Journal of Ambient Computing and Intelligence (IJACI), 2012, vol. 4, issue 2, 48-63

Abstract: Ultra Wide Band (UWB) wireless transmission has recently been the object of considerable attention in the field of next generation location aware wireless sensor networks (WSNs). This is due to its fine time resolution, energy efficiency and robustness to interference in harsh environments. This paper presents a thorough applied examination of prototype IEEE 802.15.4a impulse UWB transceiver technology to quantify the effect of line of sight (LOS) and non line of sight (NLOS) ranging in real indoor and outdoor environments. The results included draw on an extensive array of experiments that fully characterize the 802.15.4a UWB transceiver technology, its reliability and ranging capabilities for the first time. The goal of this work is to validate the technology as a dependable wireless communication mechanism for the subset of sensor network localization applications where reliability and precision positions are key concerns.

Date: 2012
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