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Finally, a proposal of physical implementation for the SARDANA layer 2 and possible configurations for SARDANA internetworking, with the metro network and core transport network, are presented.Īcknowledgments First and foremost I want to thank God for each day of my life, for the opportunity to conduct my PhD and for the people I was blessed to cross on my way during this part of my life. It is based on the optimization of the standards GPON and XG-PON (for compatibility), but applied to a long reach metro-access TDM/WDM PON rSOA-based network with higher client count. A proposal for an agile Transmission Convergence sub-layer is presented as another relevant contribution of this work. This precedent has enabled the SARDANA network to extend the design, architecture and capabilities of a WDM/TDM PON for a long reach metro-access network (100 km). So, the system is able to give coverage up to 1280 users at 2.5 Gb/s / 1.25 Gb/s downstream/upstream, over 20 Km, and being compatible with the GPON ITU-T recommendation. This prototype was successfully tested showing high performance, robustness, versatility and reliability. Also, a cost-effective, simple design SCM WDM/TDM PON with rSOA-based ONU, was optimized and implemented. It model has been used to optimize the WDM/TDM RSOA based PON. To understand its behaviour and mitigate its effects, a novel mathematical model for the Rayleigh Backscattering in burst mode transmission is presented for the first time. Special attention has been given at the main noise impairment in this type of networks: the Rayleigh Backscattering effect, which cannot be prevented. In this WDM/TDM PON relevant parameters are optimized. The particular case of RSOA-based ONUs and ODN using a single-fibre/single-wavelength is deeply analysed. This Thesis proposes the design and the optimization of a hybrid WDM/TDM PON at the L1 (PHY) and L2 (MAC) layers, in terms of minimum deployment cost and enhanced performance for Greenfield NGPON. “Y dijo Dios: Sea la luz y fue la luz.” Gn. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the prior written consent of the author. It was funded, in part, by the The Programme Alßan "high level scholarships of the European Union to Latin America" and supported by the European Commission through the FP7 Projects SARDANA and EURO-FOS.Įduardo Tommy López Pastor “WDM/TDM PON Bidirectional Networks Single-Fiber/Wavelength RSOA-based ONUs Layer 1/2 Optimization” Subject Headings: Optical Fiber Communications Copyright © 2013 by Eduardo Tommy López Pastor All rights reserved. The work described in this thesis was performed in the Optical Communications Group (GCO) at the Signal Theory and Communications (TSC) department of the Universitat Politècnica de Catalunya (UPC) / Barcelona Tech. Optical Communications Group (GCO) Signal Theory and Communications Department (TSC)
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Josep Joan Prat Gomà José Antonio Lázaro Villa A thesis submitted in fulfillment for the degree of Philosophy Doctor WDM/TDM PON Bidirectional Networks SingleFiber/Wavelength RSOA-based ONUs Layer 1/2 Optimization Author