Ultrawideband Antenna Arrays and Directional Propagation Channels
نویسندگان
چکیده
The large spectral occupancy of ultrawideband (UWB) wireless signals significantly complicates the design of multi-antenna arrays and the characterization of propagation channels determining the performance of such arrays. This survey paper develops generic techniques for double-directional UWB channel characterization, and surveys methods for the extraction of the parameters of multipath components. The key channel attributes affecting multi-antenna performance, such as the angular spread and spatial correlation, are discussed in the light of measurement results. Guidelines for UWB array design are provided. Throughout the discussion, the differences from narrowband systems are highlighted.
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