access icon free Low-power low-data-rate IR-UWB transmitter for paediatric apnoea monitoring system

© The Institution of Engineering and Technology
Received 18/07/2018, Accepted 04/01/2019, Revised 26/11/2018, Published 23/01/2019

Wireless telemetry has recently become a very important feature for healthcare monitoring and wearable systems. Several factors such as reliability, power budget, and cost impose design constraints for data transmission. Literature reported transmitters characterised by lower energy efficiency for low data rate operations and are not quite suitable for low-power biomedical applications. To overcome these constraints, this paper presents an impulse radio ultra-wideband (IR-UWB) transmitter that implements a heavy duty-cycling approach to achieve low power consumption. The transmitter is designed to be used for a non-invasive wireless respiration monitoring and apnoea detection system for premature infants. The transmitter is designed and fabricated in 130 nm standard CMOS process achieving 9.12 µW of power consumption and 91.2 pJ per pulse at 100 kbps data rate.

Inspec keywords: ultra wideband communication; radio transmitters; biomedical electronics; patient monitoring; paediatrics; health care; CMOS integrated circuits; low-power electronics; telemetry

Other keywords: impulse radio ultra-wideband transmitter; data transmission; low power consumption; IR-UWB transmitter; low-power low-data-rate; premature infants; standard CMOS process; low-power biomedical applications; wireless telemetry; bit rate 100 kbit/s; paediatric apnoea monitoring system; wearable systems; size 130.0 nm; power consumption; apnoea detection system; heavy duty-cycling approach; noninvasive wireless respiration monitoring; healthcare monitoring; power 9.12 muW; power budget

Subjects: Patient care and treatment; Telemetering systems; Telecommunication systems (energy utilisation); CMOS integrated circuits; Radio links and equipment; Patient care and treatment; Electrical/electronic equipment (energy utilisation); Biology and medical computing

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