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The recent rapid development of digital UWB wireless communications has led to the need for ultra-high rate A/D converters (ADCs). In this paper, the design algorithms for digital UWB receiver based on A/D conversion in the frequency domain have been presented, which can obviously reduce the ADCs speed requirements compared with conventional time-domain ADC. Important issues in the frequency domain...
A novel IR-UWB receiver architecture, in which all signals are processed in frequency domain (FD), is proposed in this paper. The proposed scheme achieves an A/D converting speed as low as pulse repeating rate (PRR) by frequency domain sampling method. All of the frequency domain signal processing algorithms, including frame synchronization, channel estimation and decision, are also introduced in...
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