Abstract
By combining the polarized modulation and the spatial modulation technique, dual-polarized spatial modulation (DPSM) has been recently proposed for MIMO transmission to improve the spectral efficiency and reduce the space occupancy. The performance of DPSM over correlated Rayleigh and Rice fading channels has been studied, showing that DPSM technique outperforms uni-polarized SM technique. For a general investigation, in this paper, we study the performance of DPSM scheme over Nakagami-m fading channel, which is a more general model than Rayleigh and Rice channel. A tight upper bound of average bit error rate (ABER) for DPSM scheme over Nakagami-m fading channel is derived, based on the ABER framework. In addition, we present detailed analysis of performance for different shape parameter m in the channel model. Finally, we validate the accuracy of the theoretical derivation through the results of the numerical simulations.
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