Abstract
In this study, the authors present a novel geometrically driven multilateration technique that is based on ultra-wideband (UWB) technology. The authors refer to their proposed solution as time reflection of arrival (TROA). They demonstrate in this study how the position estimation error is improved upon by carefully considering the inherent properties of the UWB technology and the reflection properties of transmitted UWB signals. By a direct comparison between TROA and two widely used multilateration techniques, the authors show that indoor position estimation can be done much more effectively using their proposed solution. They also derive a new Cramer–Rao lower bound for TROA multilateration and use it to show its level of efficiency.
Highlights
A Novel UWB-based Multilateration Technique for Indoor LocalisationAbstract—In this paper, we present a novel geometrically driven multilateration technique that is based on Ultra-Wideband (UWB) technology
P OSITION estimation problems have seen an exponentially increased interest in recent years[1,2,3,4,5,6,7]
The presented approach exploits the inherent properties of UWB signal propagation; and its definition is in conjunction with the operational principles of the lesser studied time sum of arrival (TSOA) position estimation technique
Summary
Abstract—In this paper, we present a novel geometrically driven multilateration technique that is based on Ultra-Wideband (UWB) technology. We refer to our proposed solution as Time Reflection of Arrival (TROA). We demonstrate in this paper that the position estimation error is improved upon by carefully considering the inherent properties of the UWB technology and the reflection properties of transmitted UWB signals. By a direct comparison between TROA and two widely used multilateration techniques, we show that indoor position estimation can be done much more effectively using our proposed solution. We derive a new Cramer-Rao lower bound (CRLB) for TROA multilateration and use it to show its level of efficiency
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