Abstract
The use of polarized antenna systems has been receiving considerable attention. However, few studies have addressed to characterize the cross-polarized multiple-input multiple-output (MIMO) channel modeling. In this paper, we consider a scenario where receiver with the dual-polarized antennas moves far from the transmitter. Thus, the incoming signal can be treated to be parallel to the polarized antenna X-Y plane. Different from the conventional polarized MIMO channel models, such as spatial channel model extended (SCM-E) and the polarized channel model in IEEE 802.20 which only produce single output of complex channel gain for each individual time instance or lack of the consideration of variable mobility, the proposed channel model is simple and practical to exploit MIMO spatial multiplexing and/or diversity gains by relying on a limited number of physical parameters. As a result, beamforming technology is easy to be implemented and analyzed under the proposed channel model. The performance of polarized antenna systems with beamforming technology is finally evaluated via a detailed analysis on bit-error-rate (BER) in this paper.
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