Narrowband Interference Suppression for MIMO MB-OFDM UWB Communication Systems

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UltraWideBand (UWB) systems show excellent potential benefits when used in the design of high-speed digital wireless home networks. The constantly-increasing demand for higher data transmission rates can be satisfied by exploiting both multipath- and spatial-diversity, using Multiple-Input Multiple-Output (MIMO) together with proper modulation and coding techniques. Unlike conventional MIMO OFDM systems, the performance of MIMO MB-OFDM UWB systems does not depend on the temporal correlation of the propagation channel although NarrowBand Interference (NBI) is still a problem.