Method for exchanging messages in a navigation system using visible light communications
a communication method and navigation system technology, applied in traffic control systems, navigation instruments, instruments, etc., can solve problems such as low power consumption, inability to use gps-based navigation services, and limitations in information transmission
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[0030]The matters defined in the description such as a detailed construction and elements are provided to assist in a comprehensive understanding of exemplary embodiments of the invention. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
[0031]Exemplary embodiments of the present invention provide an indoor navigation system for providing a navigation function within a large-scale building structure such as a skyscraper or a huge mall by VLC and a message exchange procedure between a mobile terminal and a navigation server in the navigation system.
[0032]To overcome the problem encountered with a conventional GPS-based navigation system that navigation information is not available in a GPS shadow area like building indoors, ...
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