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Optical Engineering

Comparison of iteration interference cancellation and symbol predistortion algorithm for direct detection orthogonal frequency division multiplexing passive optical network
Author(s): Cheng Ju; Na Liu; Xue Chen
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Paper Abstract

An extensive comparison between iteration interference cancellation and symbol predistortion in an analog domain generated ratio frequency tone based virtual single sideband direct detection orthogonal frequency division multiplexing system is presented on the basis of equalization principles, computational complexity, algorithm performance, and robustness. The analysis results show that the two algorithms have the same computational complexity. Symbol predistortion is more suitable for the downstream scheme in the passive optical network, while iteration interference cancellation is suitable for the upstream scheme since, for these two scenarios, the computational complexities are both located at the optical line terminal. The numerical simulation and 40 Gbps experimental results both indicate that the iteration interference cancellation algorithm exhibits a better performance and is more robust.

Paper Details

Date Published: 20 August 2015
PDF: 4 pages
Opt. Eng. 54(8) 086104 doi: 10.1117/1.OE.54.8.086104
Published in: Optical Engineering Volume 54, Issue 8
Show Author Affiliations
Cheng Ju, Beijing Univ. of Posts and Telecommunications (China)
Na Liu, Beijing Univ. of Posts and Telecommunications (China)
Xue Chen, Beijing Univ. of Posts and Telecommunications (China)


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