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[publication]
Alie El-Din Mady,
"A VHDL Implementation of ONU Auto-discovery Process of the IEEE 802.3ah MPCP Protocol".
Master's thesis,
Advanced Learning and Research Institute, Faculty of Informatics, University of Lugano,
Lugano, Switzerland,
July
2008
.
| Abstract | Ethernet Passive Optical Network (EPON) is the concept of a Full-Services Access Network (FSAN) that sends all the services e.g. (internet, Video on Demand (VoD), voice, etc) to the customer over a single fiber optical access system. There are two main units in the EPON system: 1. The Optical Line Terminal (OLT) is fixed at the Central Office (CO). 2. The Optical Network Unit (ONU) is fixed at the user end. The Multi-Point Control Protocol (MPCP) has been introduced in the EPON to support a timeslot allocation by the OLT. The MPCP has introduced the Auto-discovery mechanism to detect the new (uninitialized) ONU or when the system has been powered up. An ONU Auto-discovery process using VHDL and following the IEEE 802.3ah standard has been implemented. Design improvements have been introduced in order to overcome the synchronization problem between the OLT and ONUs and the fixed discovery window size. The whole system has been simulated, implemented and tested using a FPGA board. |
| Keywords | |
| Research area | HW/SW for Advanced Applications |
| Document |  permanent link
BibTeX |
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