Abstract
Fifth generation networks utilizing millimeter wave frequencies enable single-anchor localization to be performed via a line-of-sight (LOS) path or, as recently suggested, via non-line-of-sight (NLOS) paths exclusively. Thus, for a single base station-mobile pair, under a Boolean model (random positions, sizes, and orientations) of reflectors, and considering first-order reflections (in addition to the LOS path), this letter analytically derives the probability that the mobile is able to obtain an unambiguous location estimate ( i.e. , the mobile’s localizability ). This analysis also reveals that localization, via NLOS signals exclusively, is a relatively small contributor to the mobile’s overall localizability.
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