PublisherInstitute of Electrical and Electronics Engineers (IEEE)
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A heterodyne envelope (HE) receiver (RX) is investigated in the context of orthogonal frequency division multiplexing (OFDM) passive optical networks (PONs). Impacts of limited roll-off factor of shaping filter and required guard-band (GB) are studied through numerical simulations, showing that the Carrier to Signal Power Ratio (CSPR) value plays a significant role in the systems performance. For a QPSK system with 10 Gbps bitrate and for a bit error ratio (BER) quality threshold of 10-3 we show an improvement of 10.8 dB in sensitivity and 25% in spectral efficiency by using an optimum CSPR value as compared to unity CSPR.
CitationBehnam, M.; Cano, I.; Santos, M. Optimum CSPR evaluation of heterodyne envelope receivers in OFDM-PONs. A: International Conference on Transparent Optical Networks. "ICTON 2014: 16th International Conference on Transparent Optical Networks: Graz, 6th-10th July, 2014". Graz: Institute of Electrical and Electronics Engineers (IEEE), 2014, p. 1-4.
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