2008 34th European Conference on Optical Communication 2008
DOI: 10.1109/ecoc.2008.4729497
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Reduced complexity precoding based peak-to-average power ratio reduction applied to optical direct-detection OFDM

Abstract: DCT based precoding is proposed for PAPR reduction to improve the performance of optical OFDM at limited precoding complexity. Effective PAPR reduction and the resultant OSNR performance are shown.

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Cited by 7 publications
(3 citation statements)
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“…In the literature [6], some precoding methods, such as Hadamard precoding, discrete Hartley transform, discrete Cosine transform (DCT), have been researched in optical wireless IM/DD channel by simulation methods. In [7] a reduced complexity DCT precoding scheme for PAPR reduction has been proposed to increase performance of optical OFDM by simulation method. In [8][9][10], the discrete Fourier transform (DFT) precoding technique was studied for optical OFDM systems by simulation method.…”
Section: Introductionmentioning
confidence: 99%
“…In the literature [6], some precoding methods, such as Hadamard precoding, discrete Hartley transform, discrete Cosine transform (DCT), have been researched in optical wireless IM/DD channel by simulation methods. In [7] a reduced complexity DCT precoding scheme for PAPR reduction has been proposed to increase performance of optical OFDM by simulation method. In [8][9][10], the discrete Fourier transform (DFT) precoding technique was studied for optical OFDM systems by simulation method.…”
Section: Introductionmentioning
confidence: 99%
“…Even these two transforms are so similar, only DCT transform has been recently reported in optical OFDM transmission systems. First, DCT has been proposed in [Bulakci08] and further studied in [Zhao10]. The former [Bulakci08] proposed it as precoding before the IDFT block for PAPR reduction.…”
Section: Discrete Cosine Transform (Dct) and Discrete Sine Transform ...mentioning
confidence: 99%
“…First, DCT has been proposed in [Bulakci08] and further studied in [Zhao10]. The former [Bulakci08] proposed it as precoding before the IDFT block for PAPR reduction. In fact, the PAPR could be decreased by >3 dB and the OSNR tolerance at 10 -3 BER could be increased in more than 4 dB.…”
Section: Discrete Cosine Transform (Dct) and Discrete Sine Transform ...mentioning
confidence: 99%