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Iterative detection techniques for clipped OFDM systems

  • Jun Tong
  • , Li Ping*
  • *Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

Abstract

This paper studies orthogonal frequency-division multiplexing (OFDM) systems employing coded modulation. Clipping is applied to reduce the peak-to-average-power-ratio (PAPR) of the transmit signal. A soft compensation method is proposed to combat the clipping effect. It is shown that the proposed method can outperform conventional clipping effect mitigation methods. The impact of signaling schemes of the coded modulation on system performance is investigated. The average variance analysis and numerical results demonstrate that superposition coded modulation (SCM) together with the proposed detection technique provides a simple and efficient solution to clipped OFDM transmission. © 2008 IEEE.
Original languageEnglish
Title of host publicationGLOBECOM - IEEE Global Telecommunications Conference
Pages1137-1141
DOIs
Publication statusPublished - 2008
Event2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 - New Orleans, LA, United States
Duration: 30 Nov 2008 → 4 Dec 2008

Conference

Conference2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
PlaceUnited States
CityNew Orleans, LA
Period30/11/08 → 4/12/08

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