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Toward the Shannon limit of spectral efficiency

Lianshan Yan,Xunyan Liu,William Shieh

IEEE Photonics Journal（2011）

Cited 41|Views10
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Abstract
Progress in high-capacity optical communication systems in 2010 is reviewed, with spectral efficiency (SE) as the main figure of merit. Advanced modulation formats, such as quadrature amplitude modulation (QAM) and orthogonal frequency-division multiplexing (OFDM), together with polarization-division multiplexing (PDM) and digital coherent detection, are playing key roles in approaching the Shanno...
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Key words
Wireless communication,Coherence,Optical fiber communication,OFDM,Quadrature amplitude modulation
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