Reducing the PAPR of OFDM systems by random variable transformation

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Peak power reduction techniques in orthogonal frequency division multiplexing (OFDM) has been an important subject for many researchers for over 20 years. In this letter, we propose a side-information-free technique that is based on the concept of random variable (RV) transformation. The suggested method transforms RVs into other RVs, aiming to reshape the constellation that will consequently produce OFDM symbols with a reduced peak-to-average power ratio. The proposed method has no limitation on the mapping type or the mapping order and has no significant effect on the bit error rate performance compared to other methods presented in the literature. Additionally, the computational complexity does not increase.

Original languageEnglish
Pages (from-to)714-717
Number of pages4
JournalETRI Journal
Volume35
Issue number4
DOIs
Publication statusPublished - Aug 2013

Fingerprint

Random variables
Orthogonal frequency division multiplexing
Bit error rate
Computational complexity

Keywords

  • Computational complexity reduction
  • OFDM
  • PAPR
  • Peak-to-average power ratio
  • Sum of two random variables
  • Transformation of random variables

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science(all)
  • Electronic, Optical and Magnetic Materials

Cite this

Reducing the PAPR of OFDM systems by random variable transformation. / Taher, Montadar Abas; Jit Singh, Mandeep Singh; Ismail, Mahamod; Abdul Samad, Salina; Islam, Mohammad Tariqul.

In: ETRI Journal, Vol. 35, No. 4, 08.2013, p. 714-717.

Research output: Contribution to journalArticle

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