Abstract
Because of the limitations of the Global Positioning System (GPS) in indoor scenarios, various types of indoor positioning or localization technologies have been proposed and deployed. Wireless radio signals have been widely used for both communication and localization purposes due to their popular availability in indoor spaces. However, the accuracy of indoor localization based purely on radio signals is still not perfect. Recently, visible light communication (VLC) has made use of electromagnetic radiation from light sources for transmitting data. The potential for deploying visible light communication for indoor localization has been investigated in recent years. Visible-light-based localization enjoys low deployment cost, high throughput, and high security. In this article, the most recent advances in visible-light-based indoor localization systems have been reviewed. We strongly believe that visible-light-based localization will become a low-cost and feasible complementary solution for indoor localization and other smart building applications.
Highlights
Localization has always been an important topic in the history of technology and humanity.It can go back to the early localization techniques for ocean navigation, such as Polynesian navigation, which was used for thousands of years to make long voyages across thousands of miles of the openPacific Ocean
Inertial Measurement Unit (IMU)-based tracking methods are widely used but suffer from a famous problem errors caused by tracking and increase the overall localization known as the drifting problem
We are familiar with plane mirrors, which reflect back the light in the same direction if and only if the incidence angle is 0◦
Summary
Localization has always been an important topic in the history of technology and humanity. Bluetooth based systems have been deployed in real applications more than the others in the last. Bluetooth based systems have been deployed in real applications more than the others in the last few decades. Though these indoor localization technologies are able to localize, they might still have certain. We review the most recent advances in visible-light-based advances in visible-light-based indoor localization systems. We strongly believe that visible light indoor localization systems. We strongly believe that visible light localization will play important localization will play an important role in the future indoor localization systems andan other smart role in theapplications. Future indoor localization systems and other smart building applications.
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