Effects of time selective multipath fading on OFDM systems for broadband mobile applications

Junsong Li, Mohsen Kavehrad

Research output: Contribution to journalArticle

85 Scopus citations

Abstract

In this letter, effects of time selective multipath fading are investigated for orthogonal frequency-division multiplexing (OFDM) systems in broadband mobile applications. Although in a multipath environment an OFDM system is very robust against frequency selective fading, it is very sensitive to time selective fading characteristics of the mobile channel, which causing inter-carrier-interference and degrading system performance. To achieve a signal-to-interference ratio of 20 dB, the OFDM symbol duration must be less than 8% of the channel coherence time.

Original languageEnglish (US)
Pages (from-to)332-334
Number of pages3
JournalIEEE Communications Letters
Volume3
Issue number12
DOIs
StatePublished - Dec 1 1999

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

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