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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Improving PAPR performance of filtered OFDM for 5G communications using PTS

  • Al-Jawhar, Yasir Amer (Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia) ;
  • Ramli, Khairun N. (Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia) ;
  • Taher, Montadar Abas (Department of Communications Engineering, College of Engineering, University of Diyala) ;
  • Shah, Nor Shahida M. (Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia) ;
  • Mostafa, Salama A. (Faculty of Science Computer and Information Technology, Universiti Tun Hussein Onn Malaysia) ;
  • Khalaf, Bashar Ahmed (Faculty of Science Computer and Information Technology, Universiti Tun Hussein Onn Malaysia)
  • Received : 2019.07.22
  • Accepted : 2020.04.13
  • Published : 2021.04.15
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Abstract

The filtered orthogonal frequency division multiplexing (F-OFDM) system has been recommended as a waveform candidate for fifth-generation (5G) communications. The suppression of out-of-band emission (OOBE) and asynchronous transmission are the distinctive features of the filtering-based waveform frameworks. Meanwhile, the high peak-to-average power ratio (PAPR) is still a challenge for the new waveform candidates. Partial transmit sequence (PTS) is an effective technique for mitigating the trend of high PAPR in multicarrier systems. In this study, the PTS technique is employed to reduce the high PAPR value of an F-OFDM system. Then, this system is compared with the OFDM system. In addition, the other related parameters such as frequency localization, bit error rate (BER), and computational complexity are evaluated and analyzed for both systems with and without PTS. The simulation results indicate that the F-OFDM based on PTS achieves higher levels of PAPR, BER, and OOBE performances compared with OFDM. Moreover, the BER performance of F-OFDM is uninfluenced by the use of the PTS technique.

Keywords

References

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