Analysis of Bidirectional Transmission WDM-EPON System with Optical Wireless Channel

As communication systems advance, high bandwidth is required to send more data at higher speeds. Wavelength Division Multiplexing (WDM): Ethernet Passive Optical Network (EPON) is important because of its efficiency, higher bandwidth, low-cost passive connection, and reduced complexity of deployment and network maintenance. The implementation of radio over optical fiber in wireless communications has achieved high data rate and high capacity through the use of high-capacity optical fiber and the flexibility of the wireless network. Optical Wireless Channel (OWC) is the most popular free-space optical communication technology, which is a kind of high-speed and high-performance communication system. It uses infrared light to transmit the message from the sender to the receiver. OWC is the solution to the last mile problem, mainly in crowded urban areas. This article demonstrated the integration of OWC and WDM-EPON technology, making the system more advanced, low-cost, high-bandwidth, high-data-rate. The performance of the proposed embedded system was evaluated in different multi-parameter scenarios using OptiSystem 14 software. The analysis of the simulation results is based on the bit error rate (BER), the quality factor (Q-factor) and the obtained eye model for different scenarios. The system was tested with different power source values and analysed with different lengths and operating wavelengths.