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Map Based Differential Detectors for Compressed UWB Impulse Radio Signals

The authors propose Maximum A Posteriori (MAP) based non-coherent differential detector for Ultra-WideBand (UWB) Impulse Radio (IR) signals, received at a sub-Nyquist sampling rate. They build their detector for a Laplacian distributed multipath channel, which models sparsity. Their MAP based detector outperforms differential detectors based on other state-of-the-art approaches from a practical point of view. Their work highlights the critical role of different measurement matrices for the compressed differential detectors in general and the MAP based compressed differential detectors in particular.

Provided by: Institute of Electrical & Electronic Engineers Topic: Mobility Date Added: May 2012 Format: PDF

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