20 August 2015 Comparison of iteration interference cancellation and symbol predistortion algorithm for direct detection orthogonal frequency division multiplexing passive optical network
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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.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Cheng Ju, Na Liu, Xue Chen, "Comparison of iteration interference cancellation and symbol predistortion algorithm for direct detection orthogonal frequency division multiplexing passive optical network," Optical Engineering 54(8), 086104 (20 August 2015). https://doi.org/10.1117/1.OE.54.8.086104 . Submission:
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