Precoding design for STBC-MIMO system with imperfect feedback in spatially correlated Rayleigh channel
作者： Weiye Xu , Yongqiang Bao , Xiangbin Yu
DOI: 10.1049/EL.2014.1621
关键词: Mathematics 、 Pairwise error probability 、 Power (physics) 、 Precoding 、 Control theory 、 MIMO 、 Constraint (information theory) 、 Space–time block code 、 Rayleigh fading 、 Covariance
摘要: By minimising the pairwise error probability (PEP) bound subject to fixed power constraint, a suboptimal precoding scheme for space–time block-coded multiple-input–multiple-output (STBC-MIMO) systems with mean and covariance feedback in spatially correlated Rayleigh fading channels is developed, which can include mean-feedback only covariance-feedback as its special cases. This achieve performances close existing optimal while being more computationally efficient. The simulation results show that proposed provide better than conventional equal scheme, almost same scheme.
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