5.8 GHz portable wireless monitoring system for sleep apnea diagnosis in wireless body sensor network (WBSN) using active RFID and MIMO technology

Yang Yang, Abdur Rahim, Nemai Chandra Karmakar

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

9 Citations (Scopus)

Abstract

Sleep apnea is a severe, potentially life-threatening condition that requires immediate medical attention. In this chapter, a novel wireless sleep apnea monitoring system is proposed to avoid uncomfortable sleep in an unfamiliar sleep laboratory in traditional PSG-based wired monitoring systems. In wireless sleep apnea monitoring system, signal propagation paths may be affected by fading because of reflection, diffraction, energy absorption, shadowing by the body, body movement, and the surrounding environment. To combat the fading effect in WBSN, the MIMO technology is introduced in this chapter. In addition, the presented active RFID based system is composed of two main parts. The first is an on-body sensor system; the second is a reader and base station. In order to minimize the physical size of the on-body sensors and to avoid interference with 2.4 GHz wireless applications, the system is designed to operate in the 5.8 GHz ISM band. Each on-body sensor system consists of a physiological signal detection circuit, an analogue-to-digital convertor (ADC), a microcontroller (MCU), a transceiver, a channel selection bandpass filter (BPF), and a narrow band antenna.

Original languageEnglish
Title of host publicationAdvanced RFID Systems, Security, and Applications
EditorsNemai Chandra Karmakar
Place of PublicationHershey, PA
PublisherIGI Global
Pages264-303
Number of pages40
ISBN (Electronic)9781466620810
ISBN (Print)9781466620803, 1466620803
DOIs
Publication statusPublished - Sep 2012
Externally publishedYes

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