720-Mbps 64-QAM-OFDM SCM transmission over RGB-LED-based FSO communication system

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Title:	720-Mbps 64-QAM-OFDM SCM transmission over RGB-LED-based FSO communication system
Authors:	Singhal, Rahul
Keywords:	EEE VLC QAM-OFDM FSO Channel Scintillation
Issue Date:	2016
Publisher:	IEEE
Abstract:	The paper proposes a 720 Mbps visible light communication (VLC) system using 64-QAM-OFDM signals. Transmission of signals is achieved by modulating red, green and blue (RGB) light emitting diodes (LEDs) and transmitting all three wavelengths over free space optical (FSO) channel after subcarrier multiplexing (SCM) of 64-QAM-OFDM signals on two RF carriers. The performance of the proposed scheme is evaluated for a free space distance under the effect of weak as well as strong scintillations. Data transmission with bit error rates under pre-FEC limit (3.8×10 -3 ) is achieved up to 1.2 meters through the proposed VLC system
URI:	https://ieeexplore.ieee.org/abstract/document/7759028 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9566
Appears in Collections:	Department of Electrical and Electronics Engineering

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