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Pulsar: Towards Ubiquitous Visible Light Localization

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Published:20 October 2017Publication History

ABSTRACT

The past decade's research in visible light positioning (VLP) has achieved centimeter location precision. However, existing VLP systems either require specialized LEDs which hinder large-scale deployment, or cameras which preclude continuous localization due to power consumption and short coverage. We propose Pulsar, which uses a compact photodiode sensor to discriminate existing ceiling lights based on their intrinsic optical emission features. To overcome the photodiode's lack of spatial resolution, we design a novel sparse photogrammetry mechanism, which resolves the light's angle-of-arrival, and triangulates the device's 3D location and orientation. To facilitate ubiquitous deployment, we further develop a light registration mechanism that automatically registers ceiling lights' locations on a building's floor map. Our experiments demonstrate that Pulsar can reliably achieve decimeter precision with continuous coverage.

References

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            • Published in

              cover image ACM Conferences
              S3 '17: Proceedings of the 9th ACM Workshop on Wireless of the Students, by the Students, and for the Students
              October 2017
              44 pages
              ISBN:9781450351454
              DOI:10.1145/3131348

              Copyright © 2017 ACM

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              Association for Computing Machinery

              New York, NY, United States

              Publication History

              • Published: 20 October 2017

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              S3 '17 Paper Acceptance Rate7of7submissions,100%Overall Acceptance Rate65of93submissions,70%

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