Abstract

A pilot-based blind (PBB) phase estimation method for the coherent optical orthogonal frequency-division multiplexing (CO-OFDM) system is demonstrated in this paper. Instead of inserting the pilot-subcarriers that are loaded with the already known information in the OFDM signal, the unknown and specially designed signal is used to replace the signal on the pilot subcarriers to decrease the waste of spectrum and has demonstrated good performance in the phase noise compensation. Therefore, the spectral efficiency (SE) is further improved compared with the conventional pilot-aided (PA) phase noise estimation method. Both the proposed PBB and conventional PA estimation methods are compared in a CO-OFDM transmission experiment, which is modulated by 4 quadrature amplitude modulation (4-QAM) formats and transmitted over 1760-km standard single-mode fiber (SSMF) without optical dispersion compensation. The experimental results show that the proposed PBB method can achieve the similar performance as the conventional PA method.

© 2014 Optical Society of America

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References

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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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2013 (2)

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Y. Ha and W. Chung, “Non-Data-Aided phase noise suppression scheme for CO-OFDM systems,” Photonics Technol. Lett. 25(17), 1703–1706 (2013).
[Crossref]

2012 (3)

S. Cao, P. Y. Kam, and C. Yu, “Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems,” Photonics Technol. Lett. 24(22), 2067–2069 (2012).
[Crossref]

M. K. Lee, S. C. Lim, and K. Yang, “Blind compensation for phase noise in OFDM systems over constant modulus modulation,” Transactions on Communications 60(3), 620–625 (2012).
[Crossref]

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “Highcapacity/spectral efficiency 101.7-Tb/s WDMtransmission using PDM-128QAM-OFDM over165-km SSMF within C- and L-bands,” J. Lightwave Technol. 30(10), 1540–1548 (2012).
[Crossref]

2011 (1)

2008 (3)

2007 (2)

Bayvel, P.

Cao, S.

S. Cao, P. Y. Kam, and C. Yu, “Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems,” Photonics Technol. Lett. 24(22), 2067–2069 (2012).
[Crossref]

Chandrasekhar, S.

Chen, Z.

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Chung, W.

Y. Ha and W. Chung, “Non-Data-Aided phase noise suppression scheme for CO-OFDM systems,” Photonics Technol. Lett. 25(17), 1703–1706 (2013).
[Crossref]

de Man, E.

de Waardt, H.

Duthel, T.

Fludger, C. R. S.

Gavioli, G.

Geyer, J.

Gnauck, A. H.

Ha, Y.

Y. Ha and W. Chung, “Non-Data-Aided phase noise suppression scheme for CO-OFDM systems,” Photonics Technol. Lett. 25(17), 1703–1706 (2013).
[Crossref]

Hu, J.

Huang, M. F.

Huang, Y. K.

Ip, E.

Kam, P. Y.

S. Cao, P. Y. Kam, and C. Yu, “Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems,” Photonics Technol. Lett. 24(22), 2067–2069 (2012).
[Crossref]

Khoe, G.-D.

Killey, R. I.

Lee, M. K.

M. K. Lee, S. C. Lim, and K. Yang, “Blind compensation for phase noise in OFDM systems over constant modulus modulation,” Transactions on Communications 60(3), 620–625 (2012).
[Crossref]

Lim, S. C.

M. K. Lee, S. C. Lim, and K. Yang, “Blind compensation for phase noise in OFDM systems over constant modulus modulation,” Transactions on Communications 60(3), 620–625 (2012).
[Crossref]

Liu, X.

Ma, Y.

Peckham, D. W.

Qian, D.

Savory, S. J.

Schmidt, E.-D.

Schulien, C.

Shao, Y.

Shieh, W.

X. Yi, W. Shieh, and Y. Ma, “Phase noise effects on high spectral efficiency coherent optical OFDM transmission,” J. Lightwave Technol. 26(10), 1309–1316 (2008).
[Crossref]

W. Shieh, “Maximum-likelihood phase and channel estimation for coherent optical OFDM,” Photonics Technol. Lett. 20(8), 605–607 (2008).
[Crossref]

X. Yi, W. Shieh, and Y. Tang, “Phase estimation for coherent optical OFDM,” Photonics Technol. Lett. 19(12), 919–921 (2007).
[Crossref]

Tang, Y.

X. Yi, W. Shieh, and Y. Tang, “Phase estimation for coherent optical OFDM,” Photonics Technol. Lett. 19(12), 919–921 (2007).
[Crossref]

van den Borne, D.

Wang, T.

Winzer, P. J.

Wuth, T.

Yang, C.

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Yang, F.

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Yang, K.

M. K. Lee, S. C. Lim, and K. Yang, “Blind compensation for phase noise in OFDM systems over constant modulus modulation,” Transactions on Communications 60(3), 620–625 (2012).
[Crossref]

Yi, X.

X. Yi, W. Shieh, and Y. Ma, “Phase noise effects on high spectral efficiency coherent optical OFDM transmission,” J. Lightwave Technol. 26(10), 1309–1316 (2008).
[Crossref]

X. Yi, W. Shieh, and Y. Tang, “Phase estimation for coherent optical OFDM,” Photonics Technol. Lett. 19(12), 919–921 (2007).
[Crossref]

Yu, C.

S. Cao, P. Y. Kam, and C. Yu, “Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems,” Photonics Technol. Lett. 24(22), 2067–2069 (2012).
[Crossref]

Zhang, F.

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Zhao, C.

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Zhu, B.

J. Lightwave Technol. (4)

Opt. Express (1)

Photonics Technol. Lett. (4)

Y. Ha and W. Chung, “Non-Data-Aided phase noise suppression scheme for CO-OFDM systems,” Photonics Technol. Lett. 25(17), 1703–1706 (2013).
[Crossref]

S. Cao, P. Y. Kam, and C. Yu, “Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems,” Photonics Technol. Lett. 24(22), 2067–2069 (2012).
[Crossref]

X. Yi, W. Shieh, and Y. Tang, “Phase estimation for coherent optical OFDM,” Photonics Technol. Lett. 19(12), 919–921 (2007).
[Crossref]

W. Shieh, “Maximum-likelihood phase and channel estimation for coherent optical OFDM,” Photonics Technol. Lett. 20(8), 605–607 (2008).
[Crossref]

Photonics Technol.Lett. (1)

C. Zhao, C. Yang, F. Yang, F. Zhang, and Z. Chen, “A CO-OFDM system with almost blind phase noise suppression,” Photonics Technol.Lett. 25(17), 1723–1726 (2013).
[Crossref]

Transactions on Communications (1)

M. K. Lee, S. C. Lim, and K. Yang, “Blind compensation for phase noise in OFDM systems over constant modulus modulation,” Transactions on Communications 60(3), 620–625 (2012).
[Crossref]

Other (4)

D. Ai, H. Bao, and Y. Yang, “A new method of calculating generation linear distribution factors by least square fitting.”in Proc. SUPERGEN(2009), pp. 1–5.

V. Syrjala, M. Valkama, N. N. Tchamov, and J. Rinne, Phase noise modelling and mitigation techniques in OFDM communications systems.”in Proc. WTS(2009), PP 1–7.

S. T. Le, T. Kanesan, M. E. McCarthy, E. Giacoumidis, I. D. Phillips, M. F. C. Stephens, M. Tan, N. J. Doran, A. D. Ellis, and S. K. Turitsyn, “Experimental demonstration of data-dependent pilot-aided phasenoiseestimation for CO-OFDM.” in Proc. OFC (2014), Tu3G.4.

S. Hussin, K. Puntsri, and R. Noé, “Performance analysis of RF-pilot phase noise compensation techniques in coherent optical OFDM systems.” in Proc. NOC (2012), pp 1–5.

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Figures (7)

Fig. 1
Fig. 1 The principle of the proposed PBB phase noise estimation method. (a) Two-dimensional time/frequency structure of one OFDM frame by using the conventional PA estimation method; (b) The proposed amplitude modulation formats; (c) The linear fitting for phase noise estimation
Fig. 2
Fig. 2 The main DSP procedures of the transmission system
Fig. 3
Fig. 3 Experimental setup of the OFDM system
Fig. 4
Fig. 4 Q factor versus the number of selected subcarriers at optical B2B.
Fig. 5
Fig. 5 Q factor performance versus amplitude factor.
Fig. 6
Fig. 6 Q factor versus launch power over 1760-km SSMF.
Fig. 7
Fig. 7 Q factor versus OSNR curves using two schemes.

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