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Conferences > ACPC > 2013 > AF2F > AF2F.9

Study on DCT-based Modulation Scheme utilizing 4-ASK-OFDM in Next-Generation PON

Ya-Nan Li, Yuan-Jie Li, Yao-Jun Qiao, Hong-Zhan Liu, and Yue-Feng Ji

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Abstract

We propose an uplink DCT based 4ASK-OFDM scheme for the next-generation PON to improve the spectrum efficiency. The SNR penalty of the proposed scheme is 1.8dB smaller than that of the conventional QPSK-OFDM system at FEC limit.

© 2013 Optical Society of America

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