biomedicalapplicationsofantenna-seminarpresentation-130407041827-phpapp01.pptx

7/24/2019 biomedicalapplicationsofantenna-seminarpresentation-130407041827-phpapp01.pptx

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Biomedical

Applications ofAntennas

Gunjan Gupta 10BEC112

Pratik Bhanawat- 10BEC11

!epartment of Electronics and Communications

"nstitute of #echnolo$%

&irma 'ni(ersit%


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Bod% area network )BA&*

+uman ,od% as a transmission channel

i$ure 1. #ransmission s%stem usin$ the human ,od% as a transmission chann

i$ure 2. Electric eld stream line model of PA& /2


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Bod% area network )BA&*

#he content of a BA& or PA& contains a ran$e ofcommunications needs and reuirements3 #heseclassied as.

Of-,od%

On-,od%

In-,od%


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Antenna Bod% Area &etworks

i$ure . 4adiation Pattern for Antenna Propa$ation /

i$ure 5. +uman Bod% conduction /


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Challen$es of Antenna Bod% Area&etworks

Power A,sorption )6A4*. specic allowances of radiation

6i$nal inte$rit%

Bod% is a loss%7 comple8 medium for si$nal propa$at

!istortion of radiation pattern close to human9


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:ireless PA&s in ;edicalApplications

Aim Creation of a patient-centred 4 hu, that can rec

si$ns from patients7 concentrate them and send t,ase station in a relati(el% short ran$e (ia a wirelessarea network ):PA&*

'se of :PA&s Connectin$ to a hi$her le(el network and the "nterne

and e(en for wireless communication amon$ the ECthemsel(es )intrapersonal communication*


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:ireless PA&s in ;edicalApplications

#he criteria that are mostl%considered for the selection ofthe most appropriate ande . An instrumentBiomedical Applications


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&on-"n(asi(e ;ethod "n(esti$atioBlood Pressure ;easurements

Cu? Accurate

&on-continuous monitorin$

!iscomfort from pressure


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&on-"n(asi(e ;ethod "n(esti$atioBlood Pressure ;easurements

Arterial tonometer Applies constant pressure

on arter% at the wrist

Constant pressure createsdiscomfort


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Challen$es of cou$hless method

Pulse Transit Time method (PTT) Detect PTT

Pulse Oximeter

Impedance sensor

Issues with impedance detection


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=iuid Antennas for Bio-monitorin$Applications


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References

13 E?ect of Earth Ground and En(ironment on BoCommunications in the ;+@ Band atsu%uki ujii andkumura

23 3 ujii7 ;3 #akahashi7 and 3 "to7 DElectric eld distriweara,le de(ices usin$ the human ,od% as a trachannel7 IEEE Transactions on Antennas and Propaga

>>7 no3 F7 pp3 20020F7 200F3 A#+E&A 4esearch Group-Biomedical Application

"nstitute of #echnolo$%

53 Book. Antennas and Propa$ation for Bod%-CentricCommunications 6econd Edition Peter 63 +all an$ +ao


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#hank ou H

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