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Transmission performance comparison of 128-SP-QAM and PM-16QAM in a WDM system

机译:WDM系统中128-SP-QAM和PM-16QAM的传输性能比较

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摘要

We numerically and experimentally compared the BER performance of 128-level set-partitioning quadrature amplitude modulation (128-SP-QAM) and polarization multiplexed 16-ary quadrature amplitude modulation (PM-16QAM). From our experimental results and numerical simulation, it can be concluded that 128-SP-QAM has significant BER improvement compared to PM-16QAM when optical signal to noise ratio (OSNR) is high. However, when it comes to low OSNR scenario such as transmission over a very long distance, 128-SP-QAM and PM-16QAM have similar performance.
机译:我们在数值和实验上比较了128级集划分正交幅度调制(128-SP-QAM)和偏振复用16进制正交幅度调制(PM-16QAM)的BER性能。根据我们的实验结果和数值模拟,可以得出结论,当光信噪比(OSNR)高时,与PM-16QAM相比,128-SP-QAM具有明显的BER改善。但是,当涉及到低OSNR情况(例如,很长距离的传输)时,128-SP-QAM和PM-16QAM具有类似的性能。

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