Comparative Model Analysis for a Dual-Polarized Indoor and Industrial MIMO System

Little results exist in the literature regarding modelling the ´real world´ industrial MIMO channel. This study models a dual-polarized MIMO channel using the Kronecker and Weichselberger models for two different indoor environments. The author´s contribution here is based on a measurement campaign employing dual-polarized 8times8 patch arrays, and is analyzed at 2.4 and 5.2 GHz, where measurements were performed in an office building and an industrial environment. The average capacities attained from the measured data is compared with that of the models. Although the Weichselberger model performs better than the Kronecker model in both environments and at both frequencies, both models are found to underestimate the measured data. The Kronecker model is known to perform poorly for large antenna sizes and the performance of the Weichselberger model can be attributed to certain parts of the channel not fading enough.