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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
laser phase noise
phase estimation
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.
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
ISSN: 10411135
DOI: 10.1109/LPT.2013.2288357
Appears in Collections:Staff Publications

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