Analysis and Simulation of Frequency Shifted Reference Ultra-Wideband System: Effects of frequency, data rate and communication

Abstract

Ultra-Wide Band (UWB) radio communication plays a major role and widely applied for low data level applications like networks sensor and delivers data rates which are high for short-term communications. However, the enormous ratio of fading channel solvable paths confounds the layout of the receiver. To solve these issues (timing and channel estimation), channel communication, transmitted reference (TR) UWB systems were used. Still, the implementation of the TR-UWB systems faces problems as difficulty building in an integrated circuit with low power and mysterious delay dimension. To overcome these issues, the study presents a Frequency-Shifted Reference (FSR) UWB system toward estimating the timing error and control the timing pulse. Specifically, a tracking loop based on particle filtering with the acquisition method in FSR-UWB system with multipath channel conditions has been considered. The particles are discrete and signals are having distributed samples that grow over time. From the simulation results, it is seen that a higher tracking precision and wider timing range is obtained with digital timing loop.