Quadrature Spatial Modulation Performance overNakagami–m Fading Channels

Abdelhamid Younis, R. Mesleh, Harald Haas

Research output: Contribution to journalArticlepeer-review


This paper analyzes the performance of the recently proposed quadrature spatial modulation (QSM) multiple–input multiple–output (MIMO) system over Nakagami–m fading channel. In the analysis, the general distribution of the Nakagami–m channel phase is considered. In the literature, performance analysis of spatial modulation (SM) over Nakagami–m channel with uniform phase is conducted. However, apart from the very special case of m = 1, where Nakagami–m fading corresponds to Rayleigh fading, the phase of the Nakagami–m distribution is not uniformly distributed. It is shown in this paper that the phase of the channel has major impact on the performance of spatial multiplexing MIMO systems such as SM and QSM systems. A general upper bound expression for the average bit error ratio (ABER) performance of QSM is derived and the impact of different channel parameters is studied. Monte Carlo simulation results are provided to corroborate the exactness of the derived analysis.
Original languageEnglish
Pages (from-to)1-1
JournalIEEE Transactions on Vehicular Technology
Publication statusPublished - 15 Sep 2015


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