Simple optoelectronic frequency-offset estimator for coherent optical OFDM | Zendy

Jokhakar Jignesh | Zendy; Bill Corcoran | Zendy; Chen Zhu | Zendy; Arthur J. Lowery | Zendy

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Simple optoelectronic frequency-offset estimator for coherent optical OFDM

Author(s) -

Jokhakar Jignesh,

Bill Corcoran,

Chen Zhu,

Arthur J. Lowery

Publication year - 2017

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.032161

Subject(s) - cyclic prefix , orthogonal frequency division multiplexing , optics , estimator , offset (computer science) , computer science , signal processing , frequency offset , optical communication , electronic engineering , digital signal processing , materials science , physics , telecommunications , mathematics , engineering , channel (broadcasting) , statistics , programming language , computer hardware

We propose a carrier frequency-offset estimator for optical OFDM systems using off-the-shelf optical components and simple digital processing as a replacement for the purely digital signal processing using the cyclostationarity property of optical OFDM signals with cyclic prefix. Simulations show the system accuracy of <4% estimate error within the range [-1250 + 1250] MHz offsets for a single polarization 28-Gbaud OFDM signal with 15% cyclic prefix. The effects of the system parameters on the performance are investigated.

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