A dynamic transceiver model of MIMO wireless channel is proposed, and the influence of the movement of the transceiver antennas on the spatial correlation and capacity of the MIMO wireless channel is analyzed. It is concluded that the influence is determined by the initial position of the transceiver antennas and their movement speed. The spatial correlation decreases with the increase of the antenna unit spacing, and does not decrease uniformly with the increase of the angular expansion of the scattered signal. There is an angular expansion value that minimizes the correlation, which is verified through numerical simulation, expanding the research on the MIMO scattering wireless fading channel model. Keywords mobility; MIMO channels; channel capacity; spatial correlation Abstract Based on multiple-input-multiple-output (MIMO) scattering wireless fading channel model, a dynamic receiving and transmitting model for MIMO wireless channels is proposed in this paper, which is used for analyzing the impact of mobility of transceiver antennas on spatial correlation and capacity of MIMO wireless channels. The results show that the effects are determined by the original positions of transceiver antennas and by their velocity. The simulation results validate this impact and point out that there exists an optimum angular spread that forces spatial correlation, which decreases with increasing antenna spacing and does not consistently decrease with increasing angular spread, to reach minimum.Key words mobility; MIMO channels; channel capacity; spatial correlation
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