Advanced detection and coding techniques for nonlinear intersymbol interference cancellation in 40 Gb/s systems
Advanced detection and coding techniques for nonlinear intersymbol interference cancellation in 40 Gb/s systems
- Author(s): B. Vasic ; I.B. Djordjevic ; V.S. Rao
- DOI: 10.1049/ip-opt:20050021
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- Author(s): B. Vasic 1 ; I.B. Djordjevic 1 ; V.S. Rao 1
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View affiliations
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Affiliations:
1: Department of Electrical and Computer Engineering, University of Arizona, Tucson, USA
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Affiliations:
1: Department of Electrical and Computer Engineering, University of Arizona, Tucson, USA
- Source:
Volume 153, Issue 4,
August 2006,
p.
174 – 178
DOI: 10.1049/ip-opt:20050021 , Print ISSN 1350-2433, Online ISSN 1359-7078
To mitigate the fibre nonlinearities in high-speed transmission (at 40 Gb/s or higher), the use of maximum a posteriori probability (MAP) symbol decoding supplemented with iterative decoding is proposed. The MAP detector operates on the channel trellis to correct the corrupted data and to provide soft outputs processed further in an iterative decoder. Impressive performance improvement is demonstrated.
Inspec keywords: encoding; probability; optical fibres; maximum likelihood estimation; optical fibre communication; nonlinear optics; intersymbol interference; iterative decoding; high-speed optical techniques
Other keywords:
Subjects: Optical communication; Fibre optics; Ultrafast optical techniques; Other fibre optical properties; Other topics in statistics; Probability theory, stochastic processes, and statistics; Optical communication equipment; Nonlinear optics and devices; Optical communication devices, equipment and systems; Codes; Nonlinear optics
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