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All Journal Indonesian Journal of Electrical Engineering and Computer Science
K.F. Tamrin
University Malaysia Sarawak

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Impact of rain weather over free space optic communication transmission A.K Rahman; N Julai; M. Jusoh; C.B.M Rashidi; S.A Aljunid; Anuar M.S; M.F Talib; Nurdiani Zamhari; S.K Sahari; K.F. Tamrin; Rudiyanto P. Jong; D.N.A Zaidel; N.A.A Mohtadzar; M.R.M Sharip; Y.S Samat
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 1: April 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v14.i1.pp303-310

Abstract

This paper focuses the rain effect over FSO link medium in Malaysia environment. In this work, a rain data samples that collected from Malaysian Meteorological Department (MMD) to determine the scattering coefficient, atmospheric attenuation and total attenuation. From the analysis, the precipitation rate give different impact over FSO link which can cause the attenuation and bit error rate increase. The results also show the comparison parameter for optimal geometrical loss such as beam divergence, aperture size and receiver sensitivity.
Spectral coding performance under free space optical medium A.K Rahman; N Julai; M. Jusoh; C.B.M Rashidi; S.A Aljunid; Anuar M.S; M.F Talib; Nurdiani Zamhari; S.K Sahari; K.F. Tamrin; Rudiyanto P. Jong; D.N.A Zaidel; N.A.A Mohtadzar; M.R.M Sharip; Y.S Samat
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 1: April 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v14.i1.pp290-294

Abstract

 This paper focus on performance of code Zero Correlation-Correlation (ZCC) in free space optical communication. The ZCC code has a superior characteristic which eliminate the overlapping code between any users. Due to this high class characteristic, the code improves the performance of the conventional code in free space optical environment. In this paper the analysis performance of bit error rate is considering the avalanche (APD) noise, thermal noise and multiuser interference. The result shows that ZCC code improve the performance of conventional code in term of number of users, power received and data bit rate.
Co-Authors A.K Rahman Anuar M.S C.B.M Rashidi D.N.A Zaidel M. Jusoh M.F Talib M.F Talib M.R.M Sharip N Julai N.A.A Mohtadzar Nurdiani Zamhari Rudiyanto P. Jong S.A Aljunid S.K Sahari Y.S Samat