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The authors present a new high delay resolution method to detect Ultra-WideBand (UWB) scatterers when using frequency domain measurements. Their approach makes use of the impulse response envelope amplitudes and delays measured over a distance that is larger than the region of stationarity, and detects the 2-D coordinates of the channel scatterers, assuming that only single-scattering (single-interaction) processes occur. The identification methodology is based on multiple application of interference cancellation: at every step, they detect the strongest scatterer from an array of measurements, save its information, cancel it from the channel and search for the next strongest scatterer.
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