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has been cited by the following article:

• TITLE: PAPR Influence Analysis in 8QAM-OFDM Optical Access Systems

  AUTHORS: Wenzhe Ma, Yufeng Shao, Zhifeng Wang, Changxiang Li, Yue Zhou, Junyi Zhou

  KEYWORDS: Optical Access System, 8QAM-OFDM, Sub-Carrier, PAPR, CCDF

  JOURNAL NAME: Optics and Photonics Journal, Vol.6 No.8B, August 25, 2016

  ABSTRACT: In this article, the peak to average power ratio (PAPR) performance of 8 quadrature amplitude modulation-orthogonal frequency division multiplexing (8QAM-OFDM) optical signals has been researched in broadband optical access system. The complementary cumulative distribution functions (CCDFs) are analyzed of two different 8QAM-OFDMsignals with 16, 32, 64, 128, 256, 512 sub- carriers by simulation. The simulation results show that, with the increase of the number of subcarrier, the PAPR value becomes higher. When the numbers of subcarrier are16 and 512, the PAPR of 8QAM-OFDM optical signals are smaller than 5.2 dB and 5.3 dB respectively. Hence, the number of sub-carriers should be chosen according to practical application.