Rotation and polarization diversity

In this work, we propose and study the performance of a new transmit diversity technique called rotation and polarization diversity. In this technique, in-phase and quadrature components of the rotated symbols are transmitted over two different polarizations of polarized transmitted antenna. By this way, in-phase and quadrature components are affected by different fading coefficients. Error performance of the proposed technique is studied over flat, slowly and correlated Nakagami-m fading channels. Analytical results are validated by the simulations results. According to the results, diversity order of the proposed technique is about twice the channel fading parameter.