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A precise analysis is derived for calculating the bit error probability of a direct-sequence ultra-wideband system accounting for the multiuser interference on additive white Gaussian noise (non-frequency selective) channels. The exact solution is validated by simulation and used to determine the accuracy of a recently published approximation based on a simplified receiver decision statistic, as well...
A new ultra-wide bandwidth communication system using both a time-hopping sequence and a direct spreading sequence, called direct-sequence impulse radio, has recently been proposed. The performance of this new scheme in multi-user interference is investigated. A precise expression for calculating the bit error probability of direct-sequence impulse radio is derived. Our precise analysis indicates...
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