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Non-rectangular perfect reconstruction pulse shaping based ICI reduction in CO-OFDM

Abstract : In this paper, we propose to increase residual carrier frequency offset tolerance based on short perfect reconstruction pulse shaping for coherent optical-orthogonal frequency division multiplexing. The proposed method suppresses the residual carrier frequency offset induced penalty at the receiver, without requiring any additional overhead and exhaustive signal processing. The Q-factor improvement contributed by the proposed method is 1.6 dB and 1.8 dB for time-frequency localization maximization and out-of-band energy minimization pulse shapes, respectively. Finally, the transmission span gain under the influence of residual carrier frequency offset is ~62% with out-of-band energy minimization pulse shape.
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Submitted on : Friday, March 21, 2014 - 9:53:56 AM
Last modification on : Tuesday, October 19, 2021 - 11:22:38 PM
Long-term archiving on: : Monday, April 10, 2017 - 2:28:48 AM


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Thavamaran Kanesan, Son Thai Le, Damien Roque, Andrew D. Ellis. Non-rectangular perfect reconstruction pulse shaping based ICI reduction in CO-OFDM. Optics Express, Optical Society of America - OSA Publishing, 2014, 22 (2), pp.1749-1759. ⟨10.1364/OE.22.001749⟩. ⟨hal-00962335⟩



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