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https://doi.org/10.1109/LPT.2013.2288357
Title: | Time-domain blind ICI mitigation for non-constant modulus format in CO-OFDM | Authors: | Cao, S. Kam, P.-Y. Yu, C. |
Keywords: | CO-OFDM ICI laser phase noise phase estimation QAM |
Issue Date: | 15-Dec-2013 | Citation: | Cao, S., Kam, P.-Y., Yu, C. (2013-12-15). Time-domain blind ICI mitigation for non-constant modulus format in CO-OFDM. IEEE Photonics Technology Letters 25 (24) : 2490-2493. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2013.2288357 | Abstract: | In this letter, we propose a modified time-domain blind intercarrier interference (ICI) mitigation method for non-constant modulus format (e.g., 16-QAM) in coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems. The new algorithm is derived from a blind ICI (BL-ICI) compensation algorithm over constant modulus format for wireless networks. We proposed new power estimation methods for the algorithm to adapt to non-constant modulus format. Our new BL-ICI algorithm is demonstrated to be effective in removing the ICI in a simulated CO-OFDM system over various formats: 8-QAM, 16-QAM, 32-QAM and 64-QAM. It shares the same order of complexity with frequency domain decision-aided ICI compensation method and does not suffer from symbol decision errors. © 1989-2012 IEEE. | Source Title: | IEEE Photonics Technology Letters | URI: | http://scholarbank.nus.edu.sg/handle/10635/83210 | ISSN: | 10411135 | DOI: | 10.1109/LPT.2013.2288357 |
Appears in Collections: | Staff Publications |
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