The Internet of Things (IoT) is an interface with the physical world that usually operates in
random-sparse-event (RSE) scenarios. This article discusses main challenges of IoT chips …

This paper reviews architectures and circuit implementations of on-chip sinusoidal signal
generators (SSGs) for electrical impedance spectroscopy (EIS) applications. In recent years …

It has proved that the auscultation of respiratory sound has advantage in early respiratory
diagnosis. Various methods have been raised to perform automatic respiratory sound …

Remote home monitoring via wearables is rapidly gaining popularity, thanks to ever more
complex vital signs recording and data analytics that are embedded into single devices …

A highly integrated, wearable electrical impedance tomography (EIT) belt for neonatal thorax
vital multiple sign monitoring is presented. The belt has 16 active electrodes. Each electrode …

The measurement of the tissue or bio-impedance (BIOZ) is a safe and power-efficient
sensing modality that can be adopted for the acquisition of vital signals, such as respiration …

This article presents a direct digitization bio-impedance (BioZ) readout IC with high power-to-
noise efficiency over a wide input impedance range. This design features a delta-sigma () …

Wearable biomedical systems allow doctors to continuously monitor their patients over
longer periods, which is especially useful to detect rarely occurring events such as cardiac …

With the development of science and technology, gas sensors have gradually expanded to
many vertical fields. However, each application requires different technical requirements for …

Assessing blood flow, respiration patterns, and body composition with wearable and
noninvasive bio-impedance (BioZ) sensors has distinctive advantages over the conventional …