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Polarization modelling for MIMO channel

The MIMO technology is one of the most important technologies to enhance the system performance to reach the challenge of IMT-Advanced technical requirement ITU-R M.2134 [1]. To keep more antenna number while decrease physical size, dual-polarized antenna array is a potential type for MIMO application in the future IMT-Advanced system. In this paper, a modified polarization model is proposed for the MIMO channel, with clear explanation on polarization parameters, XPD, polarization power loss, and channel correlation. Further, this proposed model is evaluated combined with MIMO antenna array and beam-forming algorithm.