OFDM and its wireless applications: A survey

Taewon Hwang, Chenyang Yang, Gang Wu, Shaoqian Li, Geoffrey Ye Li

Research output: Contribution to journalArticlepeer-review

747 Citations (Scopus)


Orthogonal frequency-division multiplexing (OFDM) effectively mitigates intersymbol interference (ISI) caused by the delay spread of wireless channels. Therefore, it has been used in many wireless systems and adopted by various standards. In this paper, we present a comprehensive survey on OFDM for wireless communications. We address basic OFDM and related modulations, as well as techniques to improve the performance of OFDM for wireless communications, including channel estimation and signal detection, time- and frequency-offset estimation and correction, peak-to-average power ratio reduction, and multiple-input-multiple-output (MIMO) techniques. We also describe the applications of OFDM in current systems and standards.

Original languageEnglish
Pages (from-to)1673-1694
Number of pages22
JournalIEEE Transactions on Vehicular Technology
Issue number4
Publication statusPublished - 2009

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Automotive Engineering


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