Performance evaluation of pilot-assisted PAPR reduction technique in optical OFDM systems

Funmilayo B. Ogunkoya; Wasiu O. Popoola; Ali Shahrabi; Sinan Sinanovic

doi:10.1109/LPT.2015.2407697

Performance evaluation of pilot-assisted PAPR reduction technique in optical OFDM systems

Funmilayo B. Ogunkoya, Wasiu O. Popoola, Ali Shahrabi, Sinan Sinanovic

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Abstract

The pilot-assisted peak-to-average power ratio (PAPR) reduction technique proposed for optical orthogonal frequency division multiplexing (OFDM) communication systems is evaluated empirically and theoretically in this letter. The PAPR reduction is achieved by rotating the phase of data symbols with P iterations of randomly generated pilot symbol sequence. The results of our hardware implementation and analysis show a close agreement to that of computer simulations. In comparison with basic OFDM, where no PAPR reduction technique is implemented, experimental PAPR reduction gain of pilot-assisted OFDM at a complementary cumulative distribution function of 10-3 with P = 5 is ~2 dB. This gain is ~0.2 dB less than that of analytical results. The experimental results also show that the pilot-assisted technique does not cause any significant deterioration of the bit error performance.

Original language	English
Pages (from-to)	1088-1091
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	27
Issue number	10
Early online date	26 Feb 2015
DOIs	https://doi.org/10.1109/LPT.2015.2407697
Publication status	Published - 15 May 2015

Keywords

PAPR reduction
indoor OWC
optical OFDM
optical communications
pilot symbol

Documents and Links

10.1109/LPT.2015.2407697

Ogunkoya, F.B. et al (2015) Performance evaluation of pilot-assisted PAPR reduction technique in optical OFDM systems
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Sinan Sinanovic

ssi5@gcu.ac.uk

Electronic Engineering - Senior Lecturer

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Ogunkoya, F. B., Popoola, W. O., Shahrabi, A., & Sinanovic, S. (2015). Performance evaluation of pilot-assisted PAPR reduction technique in optical OFDM systems. IEEE Photonics Technology Letters, 27(10), 1088-1091. https://doi.org/10.1109/LPT.2015.2407697

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abstract = "The pilot-assisted peak-to-average power ratio (PAPR) reduction technique proposed for optical orthogonal frequency division multiplexing (OFDM) communication systems is evaluated empirically and theoretically in this letter. The PAPR reduction is achieved by rotating the phase of data symbols with P iterations of randomly generated pilot symbol sequence. The results of our hardware implementation and analysis show a close agreement to that of computer simulations. In comparison with basic OFDM, where no PAPR reduction technique is implemented, experimental PAPR reduction gain of pilot-assisted OFDM at a complementary cumulative distribution function of 10-3 with P = 5 is ~2 dB. This gain is ~0.2 dB less than that of analytical results. The experimental results also show that the pilot-assisted technique does not cause any significant deterioration of the bit error performance.",

keywords = "PAPR reduction, indoor OWC, optical OFDM, optical communications, pilot symbol",

author = "Ogunkoya, {Funmilayo B.} and Popoola, {Wasiu O.} and Ali Shahrabi and Sinan Sinanovic",

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AU - Shahrabi, Ali

AU - Sinanovic, Sinan

N1 - Author (SS) provided the document and confirmed this is the post-print and the authors create the formatting (similar to the publisher version) via the software package 'Latex', see email from author dated 8-2-16. ET 22-2-16

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AB - The pilot-assisted peak-to-average power ratio (PAPR) reduction technique proposed for optical orthogonal frequency division multiplexing (OFDM) communication systems is evaluated empirically and theoretically in this letter. The PAPR reduction is achieved by rotating the phase of data symbols with P iterations of randomly generated pilot symbol sequence. The results of our hardware implementation and analysis show a close agreement to that of computer simulations. In comparison with basic OFDM, where no PAPR reduction technique is implemented, experimental PAPR reduction gain of pilot-assisted OFDM at a complementary cumulative distribution function of 10-3 with P = 5 is ~2 dB. This gain is ~0.2 dB less than that of analytical results. The experimental results also show that the pilot-assisted technique does not cause any significant deterioration of the bit error performance.

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