Ethernet Passive Optical Network (EPONs): Physical Layer Analysis and Survivability

摘要

The Ethernet passive optical networks (EPON) is an effective network which provide higher bandwidth, lower costs and broader service capabilities. In this study we have aimed to design and planning of a passive optical network. The main emphasis is to build a imaginary environment, for this, firstly we choose the main elements of these networks like elements used in OLT, distribution of optical fiber and elements used in the design of ONUs. The architecture works in two modes upstream and downstream, for this TDMA approach is used to deliver data from ONU to OLT in upstream. A simulation model is designed by choosing a simulation software that meets the design requirements and results will justify that the network is capable of working successfully and can be implemented in a real case will be obtained.