Publisher : The Korean Institute of Electrical Engineers
DOI : 10.5370/JEET.2015.10.1.436
Title & Authors
Development of a Localization System Based on VLC Technique for an Indoor Environment Yi, Keon Young; Kim, Dae Young; Yi, Kwang Moo;
In this paper, we develop an indoor localization device which embeds localization information into indoor light-emitting-diodes (LED) lighting systems. The key idea of our device is the use of the newly proposed "bit stuffing method". Through the use of stuff bits, our device is able to measure signal strengths even in transient states, which prohibits interference between lighting signals. The stuff bits also scatter the parts of the signal where the LED is turned on, thus provides quality indoor lighting. Additionally, for the indoor localization system based on RSSI and TDM to be practical, we propose methods for the control of LED lamps and compensation of received signals. The effectiveness of the proposed scheme is validated through experiments with a low-cost implementation including an indoor navigation task.
ID stuffing;Indoor localization;LED lighting;RSSI measurement;Stuff bits;TDM;
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