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In this paper the design and measurement verification of optimized planar sparse arrays for use in wireless localization applications are presented. Existing literature on array optimization has mainly been concerned with arrays intended for imaging applications. As the array requirements for 3-D localization in multipath environments are essentially different, we made an analysis of the array parameters...
We propose a model-based compressed sensing (MBCS) of FBG arrays (FBGA), interrogated with wavelength scanning incoherent optical frequency domain reflectometry. This method measures the frequency response of a FBGA with an electrical vector network analyzer combined with a tunable laser. Instead of the usual inverse discrete Fourier transform (IDFT), we apply a direct estimation of the grating reflectivities...
Localization of vehicles in industrial environments is a challenging task due to the high demands on the radar system because of harsh environmental conditions and strong multipath propagation. Chipless radio identification (RFID) is well suited for this type of task due to its low-cost production and extreme robustness against environmental influences. Furthermore, RFID transponders based on time...
This paper presents a wireless positioning concept based on time domain reflectometry (TDR) chipless radio frequency identification (RFID) landmarks. The concept is intended for vehicle or mobile robot localization in indoor scenarios. Chipless RFID tags are well suited to serve as uniquely recognizable landmarks in industrial or warehouse scenarios due to their unlimited life cycle and robustness...
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