Adaptive wireless optical transmission scheme for health monitoring system

Author

Noonpakdee, Wasinee

Author_Institution

Coll. of Innovation, Thammasat Univ., Bangkok, Thailand

fYear

2013

fDate

9-11 Sept. 2013

Firstpage

161

Lastpage

164

Abstract

This paper presents an indoor optical wireless communications using adaptive wireless optical transmission scheme for health monitoring system. Since radio frequency (RF) networks can present electromagnetic disturbances with medical devices, an alternative system based on infrared (IR) technology is studied. In this scheme, optical wireless communication is proposed to transmit the obtained measurements from sensors to a central node and a medical center using intensity modulation-direct detection (IM/DD) with on-off-keying (OOK) modulation. An image sensor is utilized as a receiver, and the signal to noise ratio (SNR) at the image sensor is analyzed with consideration of the half power angle of the optical source, the transmitted power, data rate, and the patient´s location. The analytical results indicate that by employing the adaptive transmission scheme, the required SNR of 13.6 dB is achieved.

Keywords

amplitude shift keying; biomedical optical imaging; health care; image sensors; infrared imaging; intensity modulation; optical communication; optical receivers; patient monitoring; telemedicine; wireless sensor networks; adaptive wireless optical transmission scheme; data rate; electromagnetic disturbances; half-power angle; health monitoring system; image sensor; indoor optical wireless communications; infrared technology; intensity modulation-direct detection; medical center; medical devices; on-off-keying modulation; optical source; patient location; radiofrequency networks; receiver; signal-to-noise ratio; transmitted power; Biomedical optical imaging; Optical imaging; Optical receivers; Optical sensors; Optical transmitters; Signal to noise ratio; Wireless communication; Health Monitoring System; Image Receiver; Indoor Optical Wireless Communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Consumer Electronics ?? Berlin (ICCE-Berlin), 2013. ICCEBerlin 2013. IEEE Third International Conference on

Conference_Location

Berlin

Print_ISBN

978-1-4799-1411-1

Type

conf

DOI

10.1109/ICCE-Berlin.2013.6698016

Filename

6698016