Four-dimensional optimized constellations for coherent optical transmission systems
Four-dimensional optimized constellations for coherent optical transmission systems
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DOI:
10.1109/ecoc.2010.5621574
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发表时间:
2010-11
期刊:
影响因子:
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通讯作者:
M. Karlsson;E. Agrell
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文献类型:
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作者:
M. Karlsson;E. Agrell
We investigate power-efficient modulation formats in the four-dimensional signal space that is used by most coherent transmission systems. The sensitivity and spectral efficiency trade-off is discussed, with and without forward error correction.