Abstract
Ultra-Wideband Impulse Radio (UWB-IR) technologies, although are relatively easy in transmission but they present difficulties in reception, in fact the reception of such waveform is a quite complicated matter. The main reason is that in fully digital receiver the received waveform must be sampled at a rate of several GHz. This paper focuses on the impact of the Analog to Digital (A/D) conversion stage that is used to sample the received waveform. More specifically we focus on the impact of the two main parameters that affect the performance of the Software Defined Radio (SDR) system. These parameters are the bit resolution and the time jittering. The influence of these parameters is deeply examined.
Highlights
UWB transmission has recently received great attention in academia and industry for applications in wireless communications
This paper focuses on the impact of the Analog to Digital (A/D) conversion stage that is used to sample the received waveform
We focus on the impact of the two main parameters that affect the performance of the Software Defined Radio (SDR) system
Summary
UWB transmission has recently received great attention in academia and industry for applications in wireless communications. The digital information derived from the UWB waveform is handled and processed by a DSP. This process, introduce new signal distortions, due to the new uncertainties introduced, that are the jitter error and the quantization error. In this paper we examine the impact of those two parameters on the bit error rate performance of an UWB-IR fully digital receiver. The performance of the system is evaluated by the bit error probability (BEP) in terms of jitter and quantization noise. An expression of BEP is derived and numerically results are presented
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