PN-PAM scheme for short range optical transmission over SI-POF — an alternative to Discrete Multi-Tone (DMT) schemeLinning Peng, Ming Liu, Maryline Hélard and Sylvain HaeseJ. Eur. Opt. Soc.-Rapid Publ., 13 1 (2017) 21DOI: https://doi.org/10.1186/s41476-017-0048-6