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IEEE Workshop on Statistical Signal Processing, 2003
In a time-hopping ultra-wideband (UWB) system, a receiver is required to operate over a large bandwidth. Conventional receivers consist of sliding correlators to correlate received signal with a template signal. Such a time-domain waveform detection scheme is essentially a single-user detection method, whose performance has been observed to degrade in a multiple access environment. In this paper, estimation of all users' signals is carried out in the frequency domain. First, Fourier transformdoi:10.1109/ssp.2003.1289343 fatcat:4vfjwzjidnchxbrblzzapkjkz4