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Title A 0.9 - 1.5 GHz CMOS UWB Radar IC for Through the Wall Human Detection
Authors (Byeong Jae Seo) ; (Gu Jung) ; (Sunghun Jung) ; (Dong-Min Seol) ; (Sungmoon Chung) ; (Yun Seong Eo)
DOI https://doi.org/10.5573/JSTS.2023.23.1.56
Page pp.56-63
ISSN 1598-1657
Keywords Ultra-wideband; CMOS; radar; through-the-wall; equivalent time sampling; time interleaved sampling
Abstract In this paper, a UWB radar IC for the through wall radar is presented to achieve the smaller form factor of the module and low power operation. For the penetration performance enhancement, the radar IC s designed for the lower 0.9 ? 1.5 GHz band. The radar IC employs the 4-channel time-interleaved equivalent time sampling receiver for 200 ps fine resolution, and the digitally synthesized impulse generator for the transmitter. The human target behind the concrete brick wall can be detected in the distance over 9.4 m with the help of signal processing part and additional amplifiers. The radar transceiver IC is fabricated in a 0.13 μm CMOS technology and the current consumption is 116.3 mA at the 1.2 V supply.