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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 8839–8846

SSBI mitigation at 60GHz OFDM-ROF system based on optimization of training sequence

Xin Wang, Jianjun Yu, Zizheng Cao, J. Xiao, and Lin Chen  »View Author Affiliations

Optics Express, Vol. 19, Issue 9, pp. 8839-8846 (2011)

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We have theoretically and experimentally investigated the effect of the interference between subcarrier-signal beat interference (SSBI) in 60 GHz orthogonal frequency division multiplexing - radio-over-fiber (OFDM-ROF) system. In order to reduce the influence of SSBI, we compared four kinds of OFDM frames with different training sequences as all-real, all-complex, complex-zero and real-zero training. The experimental results show the power penalty of all-real, all-complex, complex-zero and real-zero training is 2.5, 5.5, 4 and 1dB at BER of 1x10-3 after 20km standard single mode fiber (SMF) transmission, respectively. The real-zero training OFDM frame with interleave structure and lower modulation order signal suffered from the least SSBI shows the best performance.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4080) Fiber optics and optical communications : Modulation
(060.4230) Fiber optics and optical communications : Multiplexing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 1, 2011
Revised Manuscript: April 14, 2011
Manuscript Accepted: April 14, 2011
Published: April 21, 2011

Xin Wang, Jianjun Yu, Zizheng Cao, J. Xiao, and Lin Chen, "SSBI mitigation at 60GHz OFDM-ROF system based on optimization of training sequence," Opt. Express 19, 8839-8846 (2011)

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