Analysis of UWB transmitted-reference communication systems in dense multipath channels
IEEE Journal on Selected Areas in Communications
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The optimization on BER performance of UWB non-coherent receiver based on On-Off Keying OOK scheme is investigated. The optimum parameters combination of length of integration interval and SNR in the integration interval, which makes the BER minimum, is illustrated. A modified least-squares-based algorithm is proposed in this study, which apply the Gaussian Approximation (GA) to the exact optimal threshold. Meanwhile, the feasibility of the traditional approximation is explored. The results show the optimum parameters proposed in the study increase the system performance greatly while comparing with the conventional method.