Improvement of PAPR and BER in OFDM Using Codes Over the Ring of Integers Modulo 4

  • Reda BenkhouyaEmail author
  • Idriss Chana
  • Youssef Hadi
Conference paper
Part of the Lecture Notes in Intelligent Transportation and Infrastructure book series (LNITI)


Orthogonal Frequency Division Multiplexing (OFDM) is still an attractive technique that achieves the higher data rate and helps even in spectrum sensing. However OFDM suffers from high Peak-to-Average Power Ratio (PAPR). This has an impact on the autonomy of terminals; thus it is mandatory to handle the PAPR problem. In this technical paper we introduce the impact of two linear codes over Z4 on PAPR. In addition, we propose a new genetic algorithm (GA) based decoding to improve the quality of transmission in terms of Bit Error Rate (BER). It is concluded that, while the results confirm an important gain in terms of PAPR and BER when using channel coding, the GA based code outperforms the biased BCH (15, 7).


Codes over Z4 PAPR BER OFDM BCH 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.MISC, Faculty of SciencesIbn Tofail UniversityKenitraMorocco
  2. 2.ISIC-LMMI ENSAMMoulay Ismail UniversityMeknesMorocco

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