Abstract
Ultra-Wideband (UWB) systems are essential to realizing software defined and cognitive radios. Concurrently advancements in digital hardware and signal processing technologies have drastically reduced the realization complexity for such systems. Recently, a novel on-site coding receiver (OSCR) architecture was proposed to significantly reduce the intense hardware requirement for digital beamforming. Specifically, code division multiplexing (CDM) was implemented at the analog front-end implying a single analog to digital converter (ADC) for a group of elements. In this paper, we present a 2-channel OSCR implementation. Specifically, four measurements were performed in the anechoic chamber using UWB arrays to estimate direction of arrival (namely, θ S = 00, 150, 300 and 450) of incoming signals and perform beamforming. The estimated angle of arrival measurements provided verification of the new OSCR system.
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