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:
影响因子:
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通讯作者:
T. Pfau;Xiang Liu;S. Chandrasekhar
中科院分区:
文献类型:
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作者:
T. Pfau;Xiang Liu;S. Chandrasekhar
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.