Design and evaluation of scheduling algorithms for TDM/WDM PON based on RSOA

Kang YANG, Minming ZHANG, Deming LIU, Lei DENG

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PDF(179 KB)
Front. Optoelectron. ›› 2011, Vol. 4 ›› Issue (2) : 217-222. DOI: 10.1007/s12200-011-0216-z
RESEARCH ARTICLE
RESEARCH ARTICLE

Design and evaluation of scheduling algorithms for TDM/WDM PON based on RSOA

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Abstract

This paper presents a scalable and cost-effective hybrid time division multiplexing (TDM)/wavelength division multiplexing (WDM) passive optical network (PON), in which reflective semiconductor optical amplifiers (RSOAs) are used as optical network units (ONUs) and a shared tunable laser and photoreceiver stack locate at the optical line terminal (OLT). Especially, tunable transmitters are not only shared by all ONUs, but also used for both upstream and downstream transmissions. To solve resource contention problem and provide efficient bidirectional communications between the OLT and the ONUs, two novel algorithms are proposed to manipulate the wavelength accessibility and the burst scheduling. The performance of both algorithms in terms of the average packet end-to-end delay and throughput were simulated and evaluated.

Keywords

passive optical network (PON) / wavelength division multiplexing (WDM) / scheduling algorithm / simulation

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Kang YANG, Minming ZHANG, Deming LIU, Lei DENG. Design and evaluation of scheduling algorithms for TDM/WDM PON based on RSOA. Front Optoelec Chin, 2011, 4(2): 217‒222 https://doi.org/10.1007/s12200-011-0216-z

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Acknowledgements

This work was supported by the National High Technology Research and Development Program of China (No. 2007AA01Z229), the Provincial Natural Science Foundation of Hubei (No. 2010CDB01603) and the Wuhan National Laboratory for Optoelectronics Innovation Foundation (No. P080009).

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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