Earticle

Due to growing demand for wireless broadband communication and congestion on bandwidth of RF spectrum, optical wireless has received considerable attention in the communication world. Optical wireless or free space optics is a good alternative solution to existing RF communication system. The quality of FSO transmission is characterized by BER. Performance degradation faced by the FSO system can be mitigated by using spatial diversity techniques. This work focuses on performance analysis of 4X4 multiple transmitter/receiver combination which is integrated with different types of amplifiers. By using the feasible system parameters for 4X4 multiple transceiver FSO system integrated with preamplification, maximum range of 425 km can be achieved for acceptable received power under clear weather condition.