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Two-Phase Framework for Indoor Positioning Systems Using Visible Light
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DOI：10.3390/s18061917.png)
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Abstract
En 中文
Recently with the advancement of solid state lighting and the application thereof to Visible Light Communications (VLC), the concept of Visible Light Positioning (VLP) has been targeted as a very attractive indoor positioning system (IPS) due to its ubiquity, directionality, spatial reuse, and relatively high modulation bandwidth. IPSs, in general, have four major components: (1) a modulation, (2) a multiple access scheme, (3) a channel measurement, and (4) a positioning algorithm. A number of VLP approaches have been proposed in the literature and primarily focus on a fixed combination of these elements and moreover evaluate the quality of the contribution often by accuracy or precision alone. In this article, we provide a novel two-phase indoor positioning algorithmic framework that is able to increase robustness when subject to insufficient anchor luminaries and also incorporate any combination of the four major IPS components.
Keywords:
indoor positioning
RSS
AoA
ToF
trilateration
triangulation
proximity
FDMA
CDMA
TDMA
OFDM
PPM
OOK
PAM
visible light
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