Design and fundamental properties of CMOS IC for 26-GHz IR-UWB automotive radar with beam steerring capability

Ultra-wideband (UWB) technology finds new application in sensing systems as a result of its high spatial resolution and extremely low spectral density. Impulse radio (IR) UBW radars are highly attractive as sensing devices, with applications such as through-the-wall detection [1], surveillance [2], human health monitoring [3, 4] and automotive radars used in active safety systems [5]. This paper presents the design and fundamental properties of an 8-channel 26-GHz impulse radio ultra-wideband (IR-UWB) beam steering radar transceiver IC implemented in a 90-nm CMOS for use in short-range automotive radars. Experimental data demonstrated the feasibility of single-chip ICs, which are expected to improve the performance and reduce the cost of automotive radars.