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Novel Unipolar Sign Encoded OFDM for Next Generation PONs

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Abstract

We propose a novel unipolar encoding technique for orthogonal frequency-division multiplexing (OFDM) that increases the bandwidth efficiency by 33% and reduces computational complexity by 50% compared to conventional intensity modulation/direct detection (IM/DD) OFDM systems.

© 2015 Optical Society of America

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