Investigations on Aperture Diameter of Telescope in Intersatellite Optical Wireless communication system

Optical communications link have evolved from lengthy fibers to wireless system such as intersatellite transmission system, for which transmission capacity and distance of optical signal are always an important consideration factor to improve the performance of the optical wireless transmission system. This paper investigates the effect of bit rates on link distance. We have taken bit rates from 8 Mbps to 8 Gbps for an 8 channel optical wireless communication (IsOWC) system. The effect of transmitter and receiver apertures diameters on interstellite distance are also analyzed in this paper. The value of aperture diameters varies from 15 cm to 50 cm and further results are observed fot bit rate of 800 Mbps. The simulation results recommended that for lower bit rates and for large aperture diameters we can achieve a high value of Q factor.