Parameter Estimation in Terrestrial Networked Positioning and Timing
Christian Tiberius (TU Delft - Civil Engineering & Geosciences)
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Abstract
This chapter presents a terrestrial networked system, which provides position and time to mobile users, just like Global Navigation Satellite Systems (GNSS). An accurate time and frequency reference is distributed, through fiber-optic Gigabit Ethernet, to a network of radio base stations. These stations transmit wideband radio signals, enabling positioning by a mobile receiver with an accuracy of one decimeter, in a multipath-rich built-up area. This terrestrial system is envisioned to complement GNSS in particular in built-up and urban areas, as fiber-optic infrastructure is commonly already in place there.