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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 25 — Dec. 16, 2013
  • pp: 30999–31005

Transmission and reception of Quad-Carrier QPSK-OFDM signal with blind equalization and overhead-free operation

Fan Li, Junwen Zhang, Zizheng Cao, Jianjun Yu, Xinying Li, Lin Chen, Yan Xia, and Yufei Chen  »View Author Affiliations


Optics Express, Vol. 21, Issue 25, pp. 30999-31005 (2013)
http://dx.doi.org/10.1364/OE.21.030999


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Abstract

Quad-Carrier Quadrature Phase Shift Keyed orthogonal frequency division multiplexing (QPSK-OFDM) signal transmission and reception is successfully demonstrated with blind equalization like a 25-ary quadrature amplitude modulation (25-QAM) signal with cascaded multi-modulus algorithm (CMMA) equalization. The phase recovery can be realized with simple Viterbi algorithm and the frequency offset estimation (FOE) should be done with 25-QAM signal before 4-point fast Fourier transform (FFT). 48-Gbit/s Quad-Carrier QPSK-OFDM signal is successfully transmitted over 80-km SMF-28 without penalty.

© 2013 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 16, 2013
Revised Manuscript: November 27, 2013
Manuscript Accepted: November 30, 2013
Published: December 9, 2013

Citation
Fan Li, Junwen Zhang, Zizheng Cao, Jianjun Yu, Xinying Li, Lin Chen, Yan Xia, and Yufei Chen, "Transmission and reception of Quad-Carrier QPSK-OFDM signal with blind equalization and overhead-free operation," Opt. Express 21, 30999-31005 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-25-30999


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