UWB MIMO system with cooperative multi-path diversity

We propose a suitable indoor ultra wideband (UWB) multiple input and multiple output (MIMO) channel system to obtain cooperative diversity for the high data short range transmission. There are three situations, the first is inner room UWB networking with four transmit antennas; the second is outer room UWB networking with four transmit antennas; the last one is a mobile station from outer room to the inner room which uses eight transmit antennas. In our proposals, the coordinate interleaved space time block codes are used with UWB signals. The theoretic upper bound and simulations demonstrate that the proposed algorithm could simply achieve the diversity gain from the rich scattering propagation environment and correlated channel.