Indoor Localization Using <italic>K</italic>-Pairwise Light Emitting Diode Image-Sensor-Based Visible Light Positioning

• Main Authors: Jenn-Kaie Lain, Lian-Cheng Chen, Sung-Chun Lin
• Format: Article
• Language: English
• Published: IEEE 2018-01-01
• Series: IEEE Photonics Journal
• Subjects: Image-sensor-based visible light positioning (VLP); light emitting diode (LED); visible light communications (VLC)
• Online Access: https://ieeexplore.ieee.org/document/8542701/
• ISSN: 1943-0655

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.