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UWB signal detection based on sequence optimization for dense multipath channels

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3 Author(s)
Ibrahim, J. ; Mobile & Portable Radio Res. Group, Virginia Tech., Blacksburg, VA, USA ; Menon, R. ; Buehrer, R.Michael

In this letter, we propose a novel approach to UWB waveform design based on sequence optimization for the multipath transmission channel. The transmit waveform is made up of a train of delayed and scaled pulses, the amplitudes of which can be represented by a real-valued sequence. The waveform results in substantial improvement in energy capture (and thus performance) over the traditional rake receiver and the more recently proposed transmitted reference approaches with a simple receiver structure. The design exploits the rich multipath structure of UWB channels allowing improved energy capture.

Published in:

Communications Letters, IEEE  (Volume:10 ,  Issue: 4 )