Bit Error Rate of a Non-ideal Impulse Radio System
Ultra-Wideband, Short Pulse Electromagnetics 9(2010)
Abstract
The development of a UWB impulse radio front end for commercial indoor applications is a challenging task, since its components
must have constant characteristics over an ultra-wide bandwidth to achieve high performance. In reality, non-ideal behavior
cannot completely be cancelled out. For the estimation of the performance of such a non-ideal system by a system simulation,
dedicated modeling of the components is important. This contribution shows the modeling of non-ideal components like oscillator,
UWB antennas, indoor channel, and low noise amplifier, based on rigid assumptions. A system simulation of the (simplified)
non-ideal impulse radio system is performed with the advanced design system (ADS) showing the achievable bit error rate. To
improve the performance, optimal pulse shaping in the presence of non-ideal components is discussed.
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Key words
uwb · non-ideal front end · impulse radio · component modeling · system simulation · pulse shaping,component model,low noise amplifier,oscillations,bit error rate,pulse shaping,front end
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