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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22878–22885

None pilot-tones and training sequence assisted OFDM technology based on multiple-differential amplitude phase shift keying

Bo Liu, Lijia Zhang, Xiangjun Xin, and Jianjun Yu  »View Author Affiliations


Optics Express, Vol. 20, Issue 20, pp. 22878-22885 (2012)
http://dx.doi.org/10.1364/OE.20.022878


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Abstract

This paper proposes a novel none pilot-assisted orthogonal frequency division multiplexing (OFDM) technology based on multi-differential amplitude phase shift keying (mDAPSK) for optical OFDM system. It doesn’t require any bandwidth-consuming pilot tones or training sequence for channel estimation due to the differential detection during demodulation. In the experiment, a 41.31 Gb/s 64DAPSK-OFDM signal without pilot tones is successfully transmitted over 160-km single mode fiber (SMF). The performance comparison between multi-quadrature amplitude modulation (mQAM) and mDAPSK is also given in the experiment, and the results indicate a prospect of this technology in optical OFDM system.

© 2012 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 25, 2012
Revised Manuscript: September 14, 2012
Manuscript Accepted: September 18, 2012
Published: September 20, 2012

Citation
Bo Liu, Lijia Zhang, Xiangjun Xin, and Jianjun Yu, "None pilot-tones and training sequence assisted OFDM technology based on multiple-differential amplitude phase shift keying," Opt. Express 20, 22878-22885 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-20-22878


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References

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