Optimization of 16-ary Quadrature Amplitude Modulation constellations for phase noise impaired channels

Optimization of 16-ary Quadrature Amplitude Modulation constellations for phase noise impaired channels
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DOI:
10.1364/ecoc.2011.tu.3.a.6
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发表时间:
2011-09
期刊:
2011 37th European Conference and Exhibition on Optical Communication
影响因子:
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通讯作者:
T. Pfau;Xiang Liu;S. Chandrasekhar
T. Pfau;Xiang Liu;S. Chandrasekhar
中科院分区:
其他
文献类型:
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作者:
T. Pfau;Xiang Liu;S. Chandrasekhar

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提出了一种迭代星座优化算法,用于寻找新的16进制正交幅度调制(QAM)星座。与方形16-QAM星座相比,星座使相位噪声容限加倍,并将接收机灵敏度提高了0.3 dB。
An iterative constellation optimization algorithm is used to find new 16-ary Quadrature Amplitude Modulation (QAM) constellations. The constellations double phase noise tolerance and improve receiver sensitivity by up to 0.3 dB compared to the square 16-QAM constellation.