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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 2 — Jan. 27, 2014
  • pp: 1749–1759

Non-rectangular perfect reconstruction pulse shaping based ICI reduction in CO-OFDM

Thavamaran Kanesan, Son Thai Le, Damien Roque, and Andrew D. Ellis  »View Author Affiliations


Optics Express, Vol. 22, Issue 2, pp. 1749-1759 (2014)
http://dx.doi.org/10.1364/OE.22.001749


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Abstract

In this paper, we propose to increase residual carrier frequency offset tolerance based on short perfect reconstruction pulse shaping for coherent optical-orthogonal frequency division multiplexing. The proposed method suppresses the residual carrier frequency offset induced penalty at the receiver, without requiring any additional overhead and exhaustive signal processing. The Q-factor improvement contributed by the proposed method is 1.6 dB and 1.8 dB for time-frequency localization maximization and out-of-band energy minimization pulse shapes, respectively. Finally, the transmission span gain under the influence of residual carrier frequency offset is ~62% with out-of-band energy minimization pulse shape.

© 2014 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications

ToC Category:
Optical Communications

History
Original Manuscript: November 1, 2013
Revised Manuscript: January 3, 2014
Manuscript Accepted: January 7, 2014
Published: January 17, 2014

Citation
Thavamaran Kanesan, Son Thai Le, Damien Roque, and Andrew D. Ellis, "Non-rectangular perfect reconstruction pulse shaping based ICI reduction in CO-OFDM," Opt. Express 22, 1749-1759 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-2-1749


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