International Journal of Computer Applications |
Foundation of Computer Science (FCS), NY, USA |
Volume 49 - Number 7 |
Year of Publication: 2012 |
Authors: M. Selvi, K. Murugesan |
10.5120/7642-0729 |
M. Selvi, K. Murugesan . Performance of OFDM based FSO Communication Systems using M-ary PSK Modulation. International Journal of Computer Applications. 49, 7 ( July 2012), 41-45. DOI=10.5120/7642-0729
In this paper, the performance of Radio on Free Space Optics (RoFSO) a cost effective and efficient method of wireless transmission that supports high data rate of communication as compared to optical fiber, whose data rate is limited by dispersion and nonlinearity is studied. The performance primarily depends on atmospheric conditions which is the recent area of study. OFDM based FSO, is a hybrid technique that combines the two developed technology namely OFDM and FSO to enhance the performance of wireless optical communication system. The performance of OFDM based FSO is evaluated under weak turbulent condition using PSK baseband modulation. The performance analysis shows that 3 to 5 dB SNR improvement is obtained for such system compared with RF wireless OFDM system.