Simulación de la detección del DoA para un único terminal usando un algoritmo en el dominio de la frecuencia

Abstract

The purpose of the present project is to design and simulate an algorithm in the frequency domain for the detection of the Direction of Arrival (DoA) of a signal in an LTE system, using a linear array of antennas. For this, the reference signal of uplink Sounding Reference Signal (SRS) is used; it will be processed in the frequency domain by the Fourier transform and its representation in the constellation diagram. The angular displacement that each sample experiences with respect to a reference element in the constellation diagram of each element will be measured. This movement, through mathematical operations, will determine the delay that the signal presents in each element of the array, which will indicate the angle of incidence of the wavefront of the signal. Finally, the results obtained will be evaluated by testing different angles of incidence and noise levels.