Free Space Optic (FSO) Enhancement For Future Wireless Network

Siti Amirah, A. Rahman (2014) Free Space Optic (FSO) Enhancement For Future Wireless Network. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

With the worldwide demand for larger bandwidth there is a rapid advancement in the area of broadband wireless communications. The high capacity and low loss of optical fiber has seen its exploding growth in the last few decades. This report will mainly cover on the effect of weather to Free Space Optics transmission line and its enhancement for future network. The major problem of FSO system is its effect to weather since its transmitted data through the air. Various weather conditions can affect the performance of FSO Link, most likely known weather phenomena are scattering and Turbulence which causes attenuation in the transmitted signal those results in high bit error rate or signal loss at the receiver end. To encounter these problems, a research has been done in order to calculate the Maximum Pointing Error and enhancement that has been done to the circuit in order to get a maximum result for minimum the effect of weather attenuation to the data transmitted. This research will be measured by using Optiwave Software to simulate the attenuation occur for four different types of weather conditions. Here, the attenuation data was obtained from the meteorology department web site and the journals that have been studied. From this report, technology of FSO has been acknowledged to be one of the efficient transmission systems that used half optical and half wireless network systems. Also, noticed that now the effect of attenuations can be reduced by adding an additional optical amplifier to the circuit. By reducing the attenuations that effect by the weather, the transmitting of the data will be more efficient and losses will be low. From this enhancement, the technology can be used widely in the future.

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