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A novel adaptive Rake-MMSE receiver for DS-UWB systems in the presence of both multi-path interference and narrowband interference is proposed. The receiver firstly adopts Rake reception to separate and extract multi-path components, and then uses MMSE method to combine multi-path components for eliminating narrowband interference. In combining schemes, an adaptive RLS algorithm is adopted to reduce...
Inter symbol interference (ISI) due to the dense multi-path nature of the UWB channel results in large performance degradation, the Rake receiver can effectively overcome the ISI problems, in this paper, the analytical BER expression for the UWB system using the Rake receiver in the multi-path channel is derived. Furthermore, the performance of A-Rake, P-Rake and S-Rake is evaluated for TH-UWB system...
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