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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 5, Iss. 12 — Dec. 1, 2006
  • pp: 1028–1042

Architecture design and performance evaluation of multigranularity optical networks based on optical code division multiplexing

Shaowei Huang, Ken-ichi Baba, Masayuki Murata, and Ken-ichi Kitayama  »View Author Affiliations


Journal of Optical Networking, Vol. 5, Issue 12, pp. 1028-1042 (2006)
http://dx.doi.org/10.1364/JON.5.001028


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Abstract

Feature Issue on Waveband Switching, Routing, and Grooming

In traditional lambda-based multigranularity optical networks, a lambda is always treated as the basic routing unit, resulting in low wavelength utilization. On the basis of optical code division multiplexing (OCDM) technology, a novel OCDM-based multigranularity optical cross-connect (MG-OXC) is proposed. Compared with the traditional lambda-based MG-OXC, its switching capability has been extended to support fiber switching, waveband switching, lambda switching, and OCDM switching. In a network composed of OCDM-based MG-OXCs, a single wavelength can be shared by distinct label switched paths (LSPs) called OCDM-LSPs, and OCDM-LSP switching can be implemented in the optical domain. To improve the network flexibility for an OCDM-LSP provisioning, two kinds of switches enabling hybrid optical code (OC)-wavelength conversion are designed. Simulation results indicate that a blocking probability reduction of 2 orders can be obtained by deploying only five OCs to a single wavelength. Furthermore, compared with time-division-multiplexing LSP (TDM-LSP), owing to the asynchronous accessibility and the OC conversion, OCDM-LSPs have been shown to permit a simpler switch architecture and achieve better blocking performance than TDM-LSPs.

© 2006 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Waveband Switching, Routing, and Grooming

History
Original Manuscript: May 2, 2006
Revised Manuscript: September 22, 2006
Manuscript Accepted: September 22, 2006
Published: November 22, 2006

Virtual Issues
Waveband Switching, Routing, and Grooming (2006) Journal of Optical Networking

Citation
Shaowei Huang, Ken-ichi Baba, Masayuki Murata, and Ken-ichi Kitayama, "Architecture design and performance evaluation of multigranularity optical networks based on optical code division multiplexing," J. Opt. Netw. 5, 1028-1042 (2006)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-5-12-1028

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