Channel capacity of OFDM systems employing diversity in fading environments

Khoa N. Le, Kishor P. Dabke

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)

    Abstract

    This paper derives capacity of a fading channel with orthogonal frequency division multiplexing (OFDM) transmission employing diversity techniques and adaptive policies involving (i) power and rate, (ii) optimal rate and (iii) channel inversion with fixed rate. Two major diversity techniques are considered (i) maximal ratio combining (MRC) and (ii) selective combining (SC). Closed-form expressions and/or bounds on various channel capacity with OFDM transmission under different scenarios are derived. Simulation results are given.
    Original languageEnglish
    Pages (from-to)1493-1516
    Number of pages24
    JournalWireless Communications and Mobile Computing
    Volume12
    Issue number17
    DOIs
    Publication statusPublished - 2012

    Keywords

    • broadband
    • capacity
    • diversity
    • fading channels
    • multiplexing
    • radio transmission

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