Demonstration of Uncoordinated Multiple Access in Optical Communications

Though it promises high bandwidths, the optical medium is not popular in local area networks. This is because current optical networks do not offer the ease of use and setup that an uncoordinated multiple access network such as Ethernet offers. In this paper, we propose a novel nonlinear trellis cod...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2008-11, Vol.55 (10), p.3259-3269
Main Authors: Chan, H., Casado, A.I.V., Basak, J., Griot, M., Wen-Yen Weng, Wesel, R., Jalali, B., Yablonovitch, E., Verbauwhede, I.
Format: Article
Language:English
Subjects:
Bandwidth
Channels
Codes
Convolutional codes
Design optimization
Ethernet networks
High speed
High speed optical techniques
High-speed architectures
Multiple access
multiple access network
Nonlinear optics
nonlinear trellis code
Optical communication
Optical design
Optical fiber communication
Optical fiber LAN
Optical fiber networks
optical network
Optimization
Running
Transmission
Trellis codes
uncoordinated access network
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Summary:Though it promises high bandwidths, the optical medium is not popular in local area networks. This is because current optical networks do not offer the ease of use and setup that an uncoordinated multiple access network such as Ethernet offers. In this paper, we propose a novel nonlinear trellis code designed for multiple access among uncoordinated nodes in an optical communications system. This code has been shown to have an efficiency of 30%. We have implemented the codes on Xilinx FPGA's for a 6 user optical system, transmitting data on a single wavelength. The above system was set up using commercial off-the-shelf components and we demonstrated BER
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2008.925365