Protection/Restoration of PON Systems Using WDM based 2-OLT Structure 


Vol. 37,  No. 12, pp. 1168-1173, Dec.  2012


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  Abstract

In this paper, we propose a protection architecture of passive optical network (PON) system by using two optical line terminals (OLTs). Using this scheme, the network can sustain services to access area and restores normal operation in faulty conditions. Unlike existing systems, the proposed one increases the efficiency of the system by operating both OLTs using different wavelengths in normal condition. During protection mode, a Shared-bandwidth allocation scheme is employed to maximize the utilization efficiency. Performance analysis shows that the proposed scheme can provide reliability to Ethernet-based PON system very efficiently.

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  Cite this article

[IEEE Style]

F. Rawshan and Y. Park, "Protection/Restoration of PON Systems Using WDM based 2-OLT Structure," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 12, pp. 1168-1173, 2012. DOI: .

[ACM Style]

Fahmida Rawshan and Youngil Park. 2012. Protection/Restoration of PON Systems Using WDM based 2-OLT Structure. The Journal of Korean Institute of Communications and Information Sciences, 37, 12, (2012), 1168-1173. DOI: .

[KICS Style]

Fahmida Rawshan and Youngil Park, "Protection/Restoration of PON Systems Using WDM based 2-OLT Structure," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 12, pp. 1168-1173, 12. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880