Implementation & BER Analysis of 2×2 MIMO Using USRP 2920- Universal Software Radio Peripheral

With the advent of MIMO, more utilization of scarce spectrum could be achieved by using lesser power consumption. In some situations, results of practical implementations are lower as compared to simulation results. The implementation of dual antenna array architectures to create multiple-input multiple-output (MIMO) configurations has attracted considerable interest in wireless communication technology to improve the overall system performance. This article provides an experimental analysis to these MIMO communication systems and explains how such capacity gains can be achieved using this technology. This paper provides a detailed performance analysis for open loop (OL) MIMO schemes for the mobile broadband radio access technology like 3GPP. In this work, practical results are analyzed using USRPs 2920. The coding technique used in the work is space time block code that creates capacity gain and helps in improvement of robustness of the link. The results presented in this paper are based on experimental MIMO set-up(2*2) using USRP 2920 (Universal Software Radio Peripheral). The antennas used for experimental investigation is 7 inch vertical tri-band antenna.