MIMO antenna optimization for enhanced channel capacity

This paper deals with the optimization of MIMO antenna elements´ position and orientation in modified MIMO cube for getting maximal channel capacity in indoor environment. The dependence of the channel capacity on the antenna orientation was analyzed by simulations. Based on the simulation results in the created and measured antenna system the channel capacity in indoor environment has been compared for MIMO cube and for optimized one. At the different structures we measured the antenna parameters and the channel capacity. In this paper we present the first results of the optimization and measurements. We will point out to the differences between the two antenna structures.