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Experimental Study of Polarization-Switched-QPSK Subcarrier Modulation and Iterative Demapping on Optical OFDM Systems
multiplex achieved OCIS codes
2011/5/21
We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus ...
Statistical Investigations of Optical OFDM Adaptive Loading Algorithm over 1000 Worst-Case MMFs
Optical OFDM Adaptive Loading Algorithm MMFs Statistical Investigations
2011/5/18
Bit-and-power-loading(BPL) [power-loading (PL)] offers the best (worst) performance.For MMFs of <300m PL is effective for escalating an optical OFDM MMF link performance to its maximum potential; for ...
A Novel Method for Precise Symbol Synchronization in Double-Side Band Optical Fast OFDM
Novel Method OFDM Symbol Synchronization
2011/5/15
We propose a novel method to achieve precise symbol synchronization using one training symbol in DSB optical fast OFDM (FOFDM). World-first FOFDM transmission experiment using field-installed fiber ve...