Call For Paper Volume:4 Issue:8 Aug'2017 |

Adaptive Equalization System for Wireless Communication Using White LED

Publication Date : 17/03/2015



Author(s) :

V.R.Rajamohan , P.Ranjith , Mr.S.Gnanavel.


Volume/Issue :
Volume 2
,
Issue 3
(03 - 2015)



Abstract :

White LEDs were invented the 1990’s. The white LED has lower power consumption, lower voltage requirements, longer lifetime, smaller size, faster response, and cooler operation. We have proposed an indoor visible light wireless communication system that utilizes multiple  white LED lighting equipment. In this system, the equipment is used not only for illuminating  rooms but also for an optical wireless communication system. It functions as the main lighting  equipment. One problem is we tend to install many lighting sources on a ceiling in order to  illuminate the room as evenly as possible. While the number of sources permits site diversity  transmission over LOS links, the optical path difference between the multiple sources triggers  inter symbol interference (ISI), which significantly degrades system performance. This paper  overcomes the ISI problem by proposing an adaptive equalization system. The adaptive  equalization system with the effectual interval alleviates the influence of shadowing.


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Adaptive Equalization System for Wireless Communication Using White LED

March 16, 2015