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access icon openaccess Experimental demonstration of an indoor visible light positioning system using RGB LEDs for multi‐cell networks

Abstract

A visible light positioning (VLP) system for multi‐cell networks based on multi‐colour LED that combines frequency division multiplexing with the received signal strength and a trilateration method is proposed. First, it employs experimental measurements to model the designed visible light communication (VLC) system under the characteristics of the target scenario. Second, it introduces a low‐cost VLC transmitter that exploits the chromatic space to transmit the VLP information. Third, it characterizes the VLC transmitter and proposes a linearization for electro‐optical responses of RGB LED. An RGB digital colour sensor and simple method calibrate the chromatic emission. The experimental results show that the proposed VLP multi‐cell architecture achieves a positioning accuracy lower than .

Here, we present an experimental demonstration of an indoor visible light positioning (VLP) system using RGB LEDs for multi‐cell networks. The contribution of this work is three‐fold. First, it employs experimental measurements to model the designed VLC system under the characteristics of the target scenario. Second, it introduces a low‐cost VLC transmitter that exploits the chromatic space to transmit the VLP information. Third, it characterizes the VLC transmitter and proposes a linearization for electro‐optical responses of RGB LED applied in the VLP system.image

http://iet.metastore.ingenta.com/content/journals/10.1049/tje2.12349
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content/journals/10.1049/tje2.12349
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