BER performance of OFDM combined with TDM using frequency-domain equalization

Haris Gacanin, Shinsuke Takaoka, Fumiyuki Adachi

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)


    Orthogonal frequency division multiplexing (OFDM) combined with time division multiplexing (TDM), in this paper called OFDM/TDM, can overcome the high peak-to-average-power ratio (PAPR) problem of the conventional OFDM and improve the robustness against long time delays. In this paper, the bit error rate (BER) performance of OFDM/TDM in a frequency-selective Rayleigh fading channel is evaluated by computer simulation. It is shown that the use of frequency-domain equalization based on minimum mean square error criterion (MMSE-FDE) can significantly improve the BER performance, compared to the conventional OFDM, by exploiting the channel frequency-selectivity while reducing the PAPR or improving the robustness against long time delays. It is also shown that the performance of OFDM/TDM designed to reduce the PAPR can bridge the conventional OFDM and single-carrier (SC) transmission by changing the design parameter.

    Original languageEnglish
    Pages (from-to)34-42
    Number of pages9
    JournalJournal of Communications and Networks
    Issue number1
    Publication statusPublished - 2007 Mar


    • Frequency-domain equalization
    • Frequency-selective fading
    • Orthogonal frequency division multiplexing (OFDM)
    • Peakto-average-power ratio (PAPR)

    ASJC Scopus subject areas

    • Information Systems
    • Computer Networks and Communications


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