Investigating the Performance of Free Space Optical    Communication Link using OOK and DPSK Modulation Techniques under Atmospheric Turbulence

Investigating the Performance of Free Space Optical Communication Link using OOK and DPSK Modulation Techniques under Atmospheric Turbulence
Author(s):
Harjeevan Singh, Prabhjot Singh, Simrandeep Singh
Keywords:
FSO, Atmospheric Turbulence, OOK, DPSK, BER
Abstract
Free Space Optics involves the transmission of data using optical beam through free space. The most commonly used modulation technique for FSO is OOK. This is primarily because of the simplicity of its design and implementation. However in this paper , we have investigated the performance of FSO system under Differential Phase Shift Keying modulation technique. The Bit Error Rate performance of Free Space Optical Link using DPSK modulation technique has been analyzed under atmospheric turbulence. The BER performance of DPSK has also been compared with OOK. Further, the BER performance of DPSK modulation technique has been investigated for different wavelengths and link ranges
Article Details
Unique Paper ID: 146387 Publication Volume & Issue: Volume 4, Issue 12 Page(s): 508 - 512
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