An iterative method to restore the performance of clipped and filtered OFDM signals

Hangjun Chen, Alexander Haimovich

Research output: Contribution to journalConference articlepeer-review

22 Scopus citations

Abstract

Clipping is an efficient and simple method to reduce the peak-to-average power ratio (PAPR) of OFDM signals. However, clipping causes distortion and out-of-band radiation. In this paper, a novel Iterative receiver is proposed to estimate and cancel the distortion caused by clipping noise. The proposed method is applied to clipped and filtered OFDM signals. It is shown by simulation that for an 802.11a system, the PAPR can be reduced to as low as 4 dB while the system performance can be restored to within l dB of the non-clipped case with only moderate complexity increase and with no bandwidth expansion.

Original languageEnglish (US)
Pages (from-to)3438-3442
Number of pages5
JournalIEEE International Conference on Communications
Volume5
StatePublished - Jul 18 2003
Event2003 International Conference on Communications (ICC 2003) - Anchorage, AK, United States
Duration: May 11 2003May 15 2003

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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