PAPR Reduction in Single Carrier FDMA Uplink by Pulse Shaping Using a β-α Filter

  • Authors:
  • Cesar A. Azurdia-Meza;Kyujin Lee;Kyesan Lee

  • Affiliations:
  • Advanced Wireless Communication Lab, Department of Electric and Radio Engineering, School of Electronics and Informaiton, Kyung Hee University, Gyeonggi-do, Republic of Korea 446-701;Advanced Wireless Communication Lab, Department of Electric and Radio Engineering, School of Electronics and Informaiton, Kyung Hee University, Gyeonggi-do, Republic of Korea 446-701;Advanced Wireless Communication Lab, Department of Electric and Radio Engineering, School of Electronics and Informaiton, Kyung Hee University, Gyeonggi-do, Republic of Korea 446-701

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2013

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Abstract

A novel pulse shaping filter satisfying the Nyquist-I criterion was derived and implemented to reduce the peak-to-average power ratio (PAPR) over a Single Carrier Frequency Division Multiple Access (SC-FDMA) scheme. The new filter reduces the PAPR, while maintaining the same excess bandwidth and the zero intersymbol interference condition. The novel filter contains a new design parameter β to minimize PAPR, which is independent from the roll-off factor 驴. The minimum PAPR of the SC-FDMA scheme is linked to the value given to the parameter β for a specific roll-off factor 驴. Several simulations showed that PAPR is reduced greatly compared to that of the raised cosine filter, which is widely used in wireless communications. The performance of the proposed pulse shaping filter, regarding PAPR, is also compared with those of other conventional filters, demonstrating that the new filter has a superior performance.