Abstract
Based on the 5G millimeter wave application frequency band, we carry out channel measurement and channel parameter comparative analysis of omnidirectional antenna, horn antenna and array antenna. The space-alternating generalized expectation-maximization (SAGE) algorithm is used to extract multipath channel parameters, including multipath delay, angle of arrival, multipath strength, etc., and the cluster parameters for multipath components are extracted based on the multipath component distance (MCD) algorithm. The comparison and analysis of the channel parameter differences obtained by different antenna types at the same measurement point show that the channel measurement results of different antennas in the same scenario are quite different. The path loss of the omnidirectional antenna is the smallest, and the root mean square(RMS) delay extension and RMS angle extension of the array antenna are the smallest, and the horn antenna can get more clusters. This article provides comparative analysis data of channel parameter results of different antenna forms for 5G millimeter wave band channel modeling.
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