Ultrawideband promises and problems
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Summary form only given. Ultrawideband (UWB) radio, sometimes referred to as impulse radio or short pulse radio, has a considerable amount of bandwidth and a small amount of power available under the new FCC regulations that permit its use. This paper illustrates the typical indoor UWB channel with propagation measurements, and explores some of the promising characteristics and technical problems associated with UWB technology through experimental and theoretical work performed at USC's UltRa Laboratory. Specifically, issues related to interference mitigation, signal acquisition, energy capture, antenna matching, etc., are illustrated.