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In this paper, the performance of iterative turbo coding with nonlinearly distorted orthogonal frequency division multiplexing (OFDM) signal is analyzed. System level implementation in Simulink is performed and bit error rate (BER) performance is analyzed. Initially, we have implemented both, the series turbo coder and iterative turbo coder, compared the performance and then using better performed...
In this paper, a visible light communication (VLC) in the indoor environment based on MIMO system is investigated and analyzed. An attempt is made to optimize the placement of light emitting diodes (LED) VLC emitter in 4 × 4 MIMO configuration at ceiling and ground floor for the receiver to obtain uniform signal-to-noise ratio (SNR) for the desired bit error rate (BER) in the given area. The system...
Dimming control function in light emitting diodes (LED) based visible light communication (VLC) is not only important but challenging too. Many interesting techniques are being investigated for different application scenarios. In this paper, an attempt is made to design a new and effective dimming control mechanism which is adaptive as per environmental condition to address successful data communication...
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