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A picocell UWB MIMO communications system model is considered which has five orthogonal sub-channels, each with its own OFDM signal. The effect of removing the various channel impulse response components which arise due to the multi-path propogation, a phenomenon characteristic of wide band transmission, is considered. This is a measurement based analysis where the measurements, themselves, were made, in a specially constructed enclosure which had reflective surfaces, using specially designed UWB antennas.
Chambers, P., Downing, C., Baher, H.: Ber variation in an uwb ofdm mimo communications system based on measurements made in a picocell wireless environment. First European Conference on Antennas and Propagation, 2006. pp1-6. EuCAP 2006.