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We proposed a pulse shaping enhanced optical pulse division multiplexing (e-OPDM) to effectively reduce optical beating interference (OBI) in a multi carrier based optical access network. A potential to accommodate a large number of uplink multiple access was verified by using the proposed technique. Performance improvement was experimentally demonstrated by EVM of uplink signal according to optical...
A technique of suppressing optical beat interference (OBI) noise in OFDMA PON is proposed and verified experimentally by applying RF clipping tone. We achieve reliable 8Gbit/s 20km uplink transmission with spectral efficiency 2.7bit/s/Hz.
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