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Efficient guard interval reduction for coherent optical OFDM

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We propose an efficient dispersion compensation to reduce the guard interval in coherent optical-orthogonal frequency division multiplexing (CO-OFDM) systems. The proposed algorithm compensates dispersion using overlapped frequency domain equalizer (OFDE), timing offset at the transmitter. Simulations verify the validity of the proposed algorithm.

© 2014 Optical Society of America

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