High speed and secure optical CDMA-based passive optical networks

Authors:
Chao-Chin Yang
Affiliations:
Department of Electronic Engineering, Kun Shan University, Tainan 710, Taiwan, ROC
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2009

Citing 2
Cited 0

Design of strict variable-weight optical orthogonal codes for differentiated quality of service in optical CDMA networks

Computer Networks: The International Journal of Computer and Telecommunications Networking
Lighting the local area: optical code-division multiple access and quality of service provisioning

IEEE Network: The Magazine of Global Internetworking

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Abstract

One bi-directional passive optical network (PON) based on optical code-division multiple access with interference elimination is proposed. By combining with wavelength division multiplexing (WDM) technique, the proposed scheme alleviates the noise arising during photo-detecting process in the PON. Therefore, the bit error rate performance is improved, which is demonstrated by the results of performance analysis. In addition, simple and low cost encoding/decoding structures with small sizes in the optical line terminal are proposed, and they can cooperate with the dynamic codeword assignment scheme to provide a more secure signal transmission in the PONs.