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Performance analysis of spatial modulation and space-shift keying with imperfect channel estimation over generalized η-μ Fading channels

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Original languageEnglish
Article number6807797
Pages (from-to)88-96
Number of pages9
JournalIEEE Transactions on Vehicular Technology
Issue number1
Publication statusPublished - 1 Jan 2015


Novel performance analysis of spatial modulation (SM) and space-shift keying (SSK) over generalized η-μ fading channels in the presence of Gaussian imperfect channel estimation at the receiver is presented in this paper. A general expression for the pairwise error probability (PEP) is derived along with an asymptotic expression at high signal-to-noise ratio (SNR). The η-μ fading channel has Nakagami- m, Rayleigh, one-sided Gaussian, and Nakagami- $q$ (Hoyt) channels as special cases. The derived expression for the PEP is valid for integer and noninteger values of the fading parameter μ. The impact of channel estimation errors with different η-μ values is investigated. Analytical results are sustained through Monte Carlo simulation results, and a close match is reported for a wide range of SNR and for different system parameters.

    Research areas

  • Imperfect channel knowledge, performance analysis, space-shift keying (SSK), spatial modulation (SM), η-μ fading

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