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Improved Offset-QAM OFDM Scheme with Enhanced Dispersion Tolerance

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Abstract

We propose a novel offset-QAM OFDM scheme to improve the dispersion tolerance to that of one subcarrier without cyclic prefix. This scheme exhibits greatly enhanced spectral efficiency compared to CP-OFDM and lower complexity than RGI-OFDM.

© 2015 Optical Society of America

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