Performance Analysis of MIMO FSO Link Employing Different Modulation Techniques
Keywords:
FSO, MIMO, DPSK, PAM, QAM, Atmospheric Turbulence, Eye Diagram, Transmitted Power.Abstract
The susceptibility of Free Space Optics (FSO) towards atmospheric attenuation has introduced the need of MIMO systems in FSO system as the finest solution. This technology can be an alternative backup to already established broadband technology, so a proper understanding has become very important in order to establish a MIMO FSO link effectively. This paper gives the prelude results of the FSO link performance with multiple transmitters and receivers operated under different modulation schemes such as PAM, QAM, DSPK. The response of MIMO FSO using these modulation techniques was then compared in terms of maximum achievable BER .
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