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We present dual-polarization OFDM/OQAM transmission for passive optical network. The ISFA and MMSE with the full loaded and half loaded preamble structures are used to mitigate the intrinsic imaginary interference.
In this study, the authors present efficient frequency-domain channel estimation (CE) methods based on the adjacent subcarriers frequency-domain averaging (ASFA) and minimum mean squared error (MMSE) schemes for the orthogonal frequency division multiplexing/offset quadrature amplitude modulation (OFDM/OQAM) passive optical network (PON) system. The complete channel transmission response for OFDM/OQAM-PON...
We propose an efficient time-domain channel estimation method for polarization interleaving orthogonal frequency division multiplexing passive optical network (OFDM-PON) with direct detection. Compared with the frequency-domain least square channel estimator (FLSE) and intra-symbol frequency-domain averaging (ISFA), the time-domain channel estimator (TD-CE) with overhead reduction demonstrates better...
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