Target Parameter Estimation for PMCW Radar Equipped with One-Bit Mod-ADC-K

We consider target parameter estimation for automotive Phase-Modulated Continuous-Wave (PMCW) radar equipped with one-bit modulo analog-to-digital converters (ADCs) with known folding-counts (Mod-ADC-K). One-bit Mod-ADC-K can save energy and overcome the dynamic range problems of one-bit or low-bit conventional ADCs. And the Iterative Adaptive Approach (IAA) is a robust nonparametric spectral estimation algorithm with high resolution. However, each one-bit Mod-ADC-K introduces an additional folding, which makes the conventional one-bit IAA unusable, so it is necessary to devise new target parameter estimation algorithms. We introduce an extended IAA algorithm, referred to as Mod-IAA for one-bit Mod-ADC-K based target parameter estimation. Finally, we provide numerical examples to demonstrate the advantages of using one-bit Mod-Adc-K for target parameter estimation using PMCW radar.