Abstract

Signal-to-noise ratio estimators for binary phase shift keying signals in ultra-wide bandwidth (UWB) systems are proposed. Both time-hopping UWB systems and direct-sequence UWB systems are considered. Several new estimators are derived by making use of different properties of the UWB signals. The performances of the estimators are examined and compared in terms of their root-mean-squared error. Numerical results show that they have excellent performances when operating in an ultra- wide bandwidth system.

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