Impact Statement:Indoor positioning is essential because people spend approximately 80%-90% of their time indoors. Image-sensor-based indoor visible light positioning (IS-VLP) is a promis...Show More
Abstract:
A great deal of research has been devoted to studying indoor localization schemes for the development of location-based services. This study investigated an indoor locali...Show MoreMetadata
Impact Statement:
Indoor positioning is essential because people spend approximately 80%-90% of their time indoors. Image-sensor-based indoor visible light positioning (IS-VLP) is a promising scheme because modern smart devices are mostly equipped with camera modules. We here proposed and implemented an indoor localization system by integrating non-line-of-sight image-sensor-based visible light communications and the proposed K-pairwise LED IS-VLP, which successfully improved indoor localization accuracy.
Abstract:
A great deal of research has been devoted to studying indoor localization schemes for the development of location-based services. This study investigated an indoor localization system, including subsystems of nonline-of-sight (NLOS) image-sensor-based visible light communications (IS-VLCs) and the proposed K-pairwise light-emitting diode (LED) image-sensor-based visible light positioning (IS-VLP), in a unified lighting environment. A smartphone received multiple LED identifiers through the designed NLOS IS-VLC and successfully performed the proposed K-pairwise LED IS-VLP with K = 3 to achieve localization, with maximum localization errors of 2.92 and 3.54 cm being obtained for ceiling heights of 100 and 150 cm, respectively.
Published in: IEEE Photonics Journal ( Volume: 10, Issue: 6, December 2018)
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