Abstract
This article reports the free space optics (FSO) with generation of a high bit rate transmission link with 16 QAM signals. Optical receiver is proposed to enhance the performance of demodulator under environmental conditions. Also, to resolve the adverse channel effects on the information signal digital signal processing (DSP) techniques at the receiver end is used. The bit error rate (BER) analysis using numerical simulations for different weather conditions is bring out and the results illustrate 112 Gbps transmission link. Further, the comparison is conducted with previous techniques which shows that the system provides better data rate performance and achievable range. The reported work provides a suitable reference towards optical communication under different environmental conditions.
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