Abstract

High peak-to-average power ratio (PAPR) causes nonlinear impairments in intensity modulation direct detection (IM/DD) optical orthogonal frequency division multiplexing (O-OFDM) systems. Selective mapping (SLM) is a well-known effective PAPR reduction technique, but it suffers from high computational complexity due to the bank of inverse fast Fourier transforms (IFFTs) required to generate the set of candidate signals. In this paper, we propose a recombined SLM scheme that can generate up to 2U2 symbol candidates with U IFFTs. The candidate sequences are first partitioned and then recombined to generate new candidate signals, where the addition operation replaces the IFFT block and reduces the computational complexity significantly. Simulations and a real-time end-to-end IM/DD O-OFDM transmission system with line rate 10.5 Gb/s are set up to verify the performance of the proposed scheme. It is demonstrated that compared with conventional SLM, the proposed scheme achieves similar PAPR reduction performance with considerably lower computational complexity and no bit error rate degradation.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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References

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  1. X. Duan, R. P. Giddings, M. Bolea, Y. Ling, B. Cao, S. Mansoor, and J. M. Tang, “Real-time experimental demonstrations of software reconfigurable optical OFDM transceivers utilizing DSP-based digital orthogonal filters for SDN PONs,” Opt. Express 22(16), 19674–19685 (2014).
    [Crossref] [PubMed]
  2. Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
    [Crossref]
  3. F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
    [Crossref]
  4. F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
    [Crossref]
  5. H. S. Chung, S. H. Chang, and K. Kim, “Companding transform based SPM compensation in coherent optical OFDM transmission,” Opt. Express 19(26), B702–B709 (2011).
    [Crossref] [PubMed]
  6. Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
    [Crossref]
  7. Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
    [Crossref]
  8. C. L. Wang and Y. Ouyang, “Low-complexity selected mapping schemes for peak-to-average power ratio reduction in OFDM systems,” IEEE Trans. Signal Process. 53(12), 4652–4660 (2005).
    [Crossref]
  9. E. Alsusa and L. Yang, “A low-complexity time-domain linear symbol combining technique for PAPR reduction in OFDM systems,” IEEE Trans. Signal Process. 56(10), 4844–4855 (2008).
    [Crossref]
  10. L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
    [Crossref]
  11. S. J. Lee, F. Breyer, S. Randel, H. P. Van Den Boom, and A. M. Koonen, “High-speed transmission over multimode fiber using discrete multitone modulation,” J. Opt. Netw. 7(2), 183–196 (2008).
    [Crossref]
  12. P. Cheng, Y. Xiao, L. Dan, and S. Li, “Improved SLM for PAPR reduction in OFDM system,” Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 1–5 (2017).
  13. J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
    [Crossref]

2017 (1)

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

2015 (2)

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

2014 (3)

L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
[Crossref]

X. Duan, R. P. Giddings, M. Bolea, Y. Ling, B. Cao, S. Mansoor, and J. M. Tang, “Real-time experimental demonstrations of software reconfigurable optical OFDM transceivers utilizing DSP-based digital orthogonal filters for SDN PONs,” Opt. Express 22(16), 19674–19685 (2014).
[Crossref] [PubMed]

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

2013 (1)

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

2012 (1)

Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
[Crossref]

2011 (1)

2008 (2)

S. J. Lee, F. Breyer, S. Randel, H. P. Van Den Boom, and A. M. Koonen, “High-speed transmission over multimode fiber using discrete multitone modulation,” J. Opt. Netw. 7(2), 183–196 (2008).
[Crossref]

E. Alsusa and L. Yang, “A low-complexity time-domain linear symbol combining technique for PAPR reduction in OFDM systems,” IEEE Trans. Signal Process. 56(10), 4844–4855 (2008).
[Crossref]

2005 (1)

C. L. Wang and Y. Ouyang, “Low-complexity selected mapping schemes for peak-to-average power ratio reduction in OFDM systems,” IEEE Trans. Signal Process. 53(12), 4652–4660 (2005).
[Crossref]

Alsusa, E.

E. Alsusa and L. Yang, “A low-complexity time-domain linear symbol combining technique for PAPR reduction in OFDM systems,” IEEE Trans. Signal Process. 56(10), 4844–4855 (2008).
[Crossref]

Bolea, M.

Breyer, F.

Cao, B.

Chang, S. H.

Chen, J.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Chen, L.

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Chen, M.

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Cheng, P.

P. Cheng, Y. Xiao, L. Dan, and S. Li, “Improved SLM for PAPR reduction in OFDM system,” Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 1–5 (2017).

Chi, N.

Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
[Crossref]

Chung, H. S.

Dan, L.

P. Cheng, Y. Xiao, L. Dan, and S. Li, “Improved SLM for PAPR reduction in OFDM system,” Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 1–5 (2017).

Duan, X.

Dun, H.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Fàbrega, J. M.

L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
[Crossref]

Fan, J.

Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
[Crossref]

Fan, L.

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Fang, W.

Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
[Crossref]

Giddings, R. P.

He, J.

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

Joo, H. S.

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

Junyent, G.

L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
[Crossref]

Kim, K.

Kim, K. H.

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

Koonen, A. M.

Lee, S. J.

Li, F.

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

Li, S.

P. Cheng, Y. Xiao, L. Dan, and S. Li, “Improved SLM for PAPR reduction in OFDM system,” Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 1–5 (2017).

Li, Y.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Ling, Y.

Liu, M.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Liu, Y.

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

Mangone, F.

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Mansoor, S.

Moreolo, M. S.

L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
[Crossref]

Nadal, L.

L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
[Crossref]

No, J. S.

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

Ouyang, Y.

C. L. Wang and Y. Ouyang, “Low-complexity selected mapping schemes for peak-to-average power ratio reduction in OFDM systems,” IEEE Trans. Signal Process. 53(12), 4652–4660 (2005).
[Crossref]

Randel, S.

Shao, Y.

Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
[Crossref]

Shin, D. J.

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

Song, Y.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Tang, J.

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Tang, J. M.

Van Den Boom, H. P.

Wang, C. L.

C. L. Wang and Y. Ouyang, “Low-complexity selected mapping schemes for peak-to-average power ratio reduction in OFDM systems,” IEEE Trans. Signal Process. 53(12), 4652–4660 (2005).
[Crossref]

Wang, M.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Woo, J. Y.

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

Xiao, J.

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Xiao, Y.

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

P. Cheng, Y. Xiao, L. Dan, and S. Li, “Improved SLM for PAPR reduction in OFDM system,” Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 1–5 (2017).

Yang, L.

E. Alsusa and L. Yang, “A low-complexity time-domain linear symbol combining technique for PAPR reduction in OFDM systems,” IEEE Trans. Signal Process. 56(10), 4844–4855 (2008).
[Crossref]

Zhang, J.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Zhang, Q.

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

IEEE Commun. Lett. (1)

J. Y. Woo, H. S. Joo, K. H. Kim, J. S. No, and D. J. Shin, “PAPR analysis of class-III SLM scheme based on variance of correlation of alternative OFDM signal sequences,” IEEE Commun. Lett. 19(6), 989–992 (2015).
[Crossref]

IEEE Photonics Technol. Lett. (1)

Y. Shao, N. Chi, J. Fan, and W. Fang, “Generation of 16-QAM-OFDM signals using selected mapping method and its application in optical millimeter-wave access system,” IEEE Photonics Technol. Lett. 24(15), 1301–1303 (2012).
[Crossref]

IEEE Trans. Signal Process. (2)

C. L. Wang and Y. Ouyang, “Low-complexity selected mapping schemes for peak-to-average power ratio reduction in OFDM systems,” IEEE Trans. Signal Process. 53(12), 4652–4660 (2005).
[Crossref]

E. Alsusa and L. Yang, “A low-complexity time-domain linear symbol combining technique for PAPR reduction in OFDM systems,” IEEE Trans. Signal Process. 56(10), 4844–4855 (2008).
[Crossref]

J. Opt. Netw. (1)

Opt. Commun. (1)

Q. Zhang, M. Liu, J. Chen, H. Dun, J. Zhang, Y. Li, Y. Song, and M. Wang, “Real-time optical OFDM transmissions with spectral efficiency up to 6.93 bit/s/Hz over 50km SSMF IMDD systems,” Opt. Commun. 387, 12–17 (2017).
[Crossref]

Opt. Eng. (1)

F. Mangone, J. Tang, M. Chen, J. Xiao, L. Fan, and L. Chen, “Iterative clipping and filtering based on discrete cosine transform/inverse discrete cosine transform for intensity modulator direct detection optical orthogonal frequency division multiplexing system,” Opt. Eng. 52(6), 065001 (2013).
[Crossref]

Opt. Express (2)

Opt. Fiber Technol. (3)

F. Mangone, J. He, J. Tang, J. Xiao, M. Chen, F. Li, and L. Chen, “A PAPR reduction technique using Hadamard transform combined with clipping and filtering based on DCT/IDCT for IM/DD optical OFDM systems,” Opt. Fiber Technol. 20(4), 384–390 (2014).
[Crossref]

L. Nadal, M. S. Moreolo, J. M. Fàbrega, and G. Junyent, “Low complexity PAPR reduction techniques for clipping and quantization noise mitigation in direct-detection O-OFDM systems,” Opt. Fiber Technol. 20(3), 208–216 (2014).
[Crossref]

Y. Xiao, M. Chen, F. Li, J. Tang, Y. Liu, and L. Chen, “PAPR reduction based on chaos combined with SLM technique in optical OFDM IM/DD system,” Opt. Fiber Technol. 21, 81–86 (2015).
[Crossref]

Other (1)

P. Cheng, Y. Xiao, L. Dan, and S. Li, “Improved SLM for PAPR reduction in OFDM system,” Proc. IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 1–5 (2017).

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Figures (9)

Fig. 1
Fig. 1 Block diagram of the conventional SLM scheme applied to IM/DD O-OFDM system.
Fig. 2
Fig. 2 Block diagram of the proposed RSLM scheme.
Fig. 3
Fig. 3 Example of the three partitioning methods. (a) Adjacent. (b) Interleaved. (c) Random.
Fig. 4
Fig. 4 Block diagram of (a) conventional DMT, (b) the efficient modified DMT implementation.
Fig. 5
Fig. 5 Correlation property of candidate sequences with different partitioning methods (N = 32).
Fig. 6
Fig. 6 PAPR reduction performance of RSLM with three partitioning methods. (N = 32, M = 2, 16-QAM).
Fig. 7
Fig. 7 PAPR reduction performance of the CSLM scheme with U = 8, 16 and the proposed RSLM scheme with M = 2, 3 for (a) 16-QAM and (b) 64-QAM.
Fig. 8
Fig. 8 A real-time end-to-end IM/DD O-OFDM transmission system. (a) Experimental system setup. (b) Time-domain OFDM frame structure. (c) The waveform of the transmitted OFDM signal. (d) The spectrum of the transmitted OFDM signal. (e) Transmitter. (f) Receiver. SI: side information, LPF: low pass filter, VEA: variable electrical amplifier, VOA: variable optical attenuator, DFB: distributed feedback laser, PIN: positive intrinsic negative.
Fig. 9
Fig. 9 BER performances versus received optical power, and signal constellations with (a) 16QAM, (b) 64QAM for IM/DD O-OFDM transmission over 25 km SSMF.

Tables (3)

Tables Icon

Table 1 The VC of the candidate signals with different partitioning methods

Tables Icon

Table 2 Computational complexity of CSLM and proposed RSLM

Tables Icon

Table 3 Transceiver and system configurations

Equations (9)

Equations on this page are rendered with MathJax. Learn more.

s( n )= 1 2N k=0 2N-1 S( k ) e jπkn/N ,n= 0,1,2,...,2N1,
PAPR( s )=10 log 10 ( max 0n2N1 | s(n) | 2 E[ | s | 2 ] )( dB ),
CCDF=1Pr{ PAPRPAP R 0 }.
IFFT{ S a m +j S b m }=IFFT{ S a m }+jIFFT{ S b m }= s a m +j s b m .
s u = s a m ± s b n (m,n=0,1,...,M1).
s u =DMT{ X a m }±DMT{ X b n } = DMT{ H X m }±DMT{ H ¯ X n } =DMT{ ( H P m ± H ¯ P n )X } DMT{ P ˜ u X }
R uv ( τ )=E[ s u ( n ) { s v ( n+τ ) } * ] = 1 2N E[ k=0 2N1 p ˜ u ( k )S( k ) e jπkn/N k=0 2N1 p ˜ v* ( k ) S * ( k ) e jπk( n+τ )/N ] = 1 2N k=0 2N1 p ˜ u ( k ) p ˜ v* ( k ) e jπkτ/N
VC=( 0v<uU1 Var { | R uv ( τ ) | 2 } τ=0 N1 )/( U 2 ),
CCRR=( 1 complexity of RSLM complexity of CSLM )×100%.

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