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Complexity Analysis for Higher Order Few Mode Fiber DSP Equalizers

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Abstract

In this work, the DSP equalizer complexity is analyzed as a function of the modal dispersion and the number of supported modes of a few-mode fiber. It is shown that a training symbol based scheme such as OFDM is virtually unaffected by the increasing number of modes, whereas for blind FDE/TDE equalization the complexity drastically increases.

© 2012 Optical Society of America

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