This paper reviews recent advances in biomedical and healthcare applications of Doppler
radar that remotely detects heartbeat and respiration of a human subject. In the last decade …

This paper reviews recent advances in technologies using Doppler radar to detect heartbeat
and respiration of a human subject. With contributions from many researchers in this field …

A novel vital-sign sensor with a self-injection-locked oscillator and a frequency demodulator
to reduce system complexity and improve sensitivity is proposed. The theory provides a …

An authoritative guide to the theory, technologies, and state-of-the-art applications in
microwave noncontact sensing and analysis Engineering researchers have recently …

This paper presents a Doppler radar based on an injection-locked quadrature receiver
(ILQR) architecture that can use the wireless communication signals from an input cable or …

The structure of a high-resolution microwave material sensor is presented based on the
injection locking phenomenon. For a sample under test, the variation of center frequency …

This paper presents a fast and autonomous injection frequency tracking and locking
technique. In the present injection-locking system, a quadrature injection-locked oscillator …

A novel cognitive polar receiver that utilizes two injection-locked oscillator stages to extract
the modulation envelope and phase components of a received nonconstant envelope …

A wideband spectrum sensing system for cognitive radio is designed and implemented in a
130-nm radio frequency mixed-mode CMOS technology. The system employs an IQ …

The response of chirped oscillators under the injection of independent signals, for spectrum
sensing in cognitive radio, and under self-injection, for radio frequency identification, is …