Referenced Items are not available for this document.
A modified star-ring architecture (MSRA) consisting of a star network on the upper level and many concatenated ring subnets on the lower level is proposed for subcarrier multiplexed passive optical network (SCM-PON). The upper level star network ensures high network capacity and its weakness in reliability is overcome by the concatenated ring subnets with self-healing capabilities. The self-healing function can be performed at remote nodes (RNs) by using optical switches (OS) to reconfigure the ring subnets if any link fails. Moreover, we design the cascade add/drop transceiver (CAT) structure in the lower level ring subnets to completely eliminate the optical beat interference (OBI) problem and achieve an OBI-free optical network. Finally, we set up an experimental network to demonstrate the feasibility of this cost-effective survivable structure
Published in:
Lightwave Technology, Journal of
(Volume:19
,
Issue:
1
)
Date of Publication: Jan 2001
- Page(s):
- 32 - 39
- ISSN :
- 0733-8724
- INSPEC Accession Number:
- 6895722
- Digital Object Identifier :
- 10.1109/50.914482
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 August 2002
- Issue Date :
- Jan 2001
- Sponsored by :
- IEEE Aerospace and Electronic Systems Society
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