Performance Analysis of a Two-Hop MIMO Mobile-to-Mobile via Stratospheric-Relay Link Employing Hierarchical Modulation

<table>BER for increasing values of the antenna spacing at the stratospheric relay. </table>

International Journal of Antennas and Propagation

Figure 7: Performance Analysis of a Two-Hop MIMO Mobile-to-Mobile via Stratospheric-Relay Link Employing Hierarchical Modulation 