Lower bound of the estimation error of an emitter's direction-of-arrival/polarisation, for a collocated triad of orthogonal dipoles/loops that fail randomly

Dominic Makaa Kitavi, Kainam Thomas Wong, Mengxi Zou, Keshav Agrawal
2017 IET Microwaves, Antennas & Propagation  
For a triad of short dipoles (or of small loops), in perpendicular orientation relative to each other but collocated in space, this study derives a lower bound for their error in direction-of-arrival estimation and polarisation estimation, accounting for the possibility of failure in any individual dipoles (or loops).
doi:10.1049/iet-map.2016.0918 fatcat:ouqfgvngnff4hbuqxwtymvblvu