Joint estimation of the time delay and the clock drift and offset using UWB signals

Mallat, Achraf;Vandendorpe, Luc
(2014) Communications (ICC), 2014 IEEE International Conference on — Location: Sydney (10.June.2014)

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Abstract
We consider two transceivers, the first with perfect clock and the second with imperfect clock. We investigate the joint estimation of the delay between the transceivers and the offset and the drift of the imperfect clock. We propose a protocol for the synchronization of the clocks. We derive some empirical estimators for the delay, the offset and the drift, and compute the Cramer-Rao lower bounds and the joint maximum likelihood estimator of the delay and the drift. We study the impact of the protocol parameters and the time-of-arrival estimation variance on the achieved performances. We validate some theoretical results by simulation. © 2014 IEEE.
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Mallat, A., & Vandendorpe, L. (2014). Joint estimation of the time delay and the clock drift and offset using UWB signals. Communications (ICC), 2014 IEEE International Conference on, p. 5474-5480. https://doi.org/10.1109/ICC.2014.6884192