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The performance of an oversampled multiband wideband digital receiver is presented in this paper. Unlike previous works that assume a single channel receiver and a conventional analog-to-digital converter (ADC), where the quantization error is modeled as an additive uniform random noise, this paper includes the effects of an oversampled sigma-delta (??-??) ADC with noise shaping and an automatic gain...
This paper studies the BER performance of a multiband UWB system with a common RF and ADC module in the receiver. Communication signals in multiple RF bands are received by one UWB antenna. The ADC samples the received signal in a swath. This means that the RF signals with lower frequencies are oversampled. Using the ADC output signal, the demodulator demodulates each RF signal individually. The quantization...
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