• Sunil Khatri

Noticeable Light Communication (NLC) innovation utilizing LEDs is spreading as it has enormous degree in applications, for example indoor positioning. On the existing lighting foundation, trilateration is connected to limit any gadget, to restrict any gadget utilizing LED knobs as host hence utilizing its light detecting ability. On-off keying method is used to permit the trusted light sources which are uncoordinated over the common optical medium. In indoor optical wireless mode of communication, OFDM is used to lessen the aftereffects of various way deformations of the expanded information rate and optical channel. NLC being invaluable, an indoor positioning framework is structured utilizing LEDs, an accelerometer sensor (AS) and a picture (image) sensor (IS) from cell phones.

light communication, indoor communication, LED, OFDM, image sensor, cell phone sensor.

"Light based Positioning System for Indoor Navigation- An Overview for Improvement", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.208-213, June 2019, Available :http://www.jetir.org/papers/JETIR1906I56.pdf

"Light based Positioning System for Indoor Navigation- An Overview for Improvement", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp208-213, June 2019, Available at : http://www.jetir.org/papers/JETIR1906I56.pdf