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Design of Wearable Communication Device for Body Protection from EM wave using the EBG Structure
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- Authors
- Sang Il Kwak, Dong-Uk Sim, Jong Hwa Kwon, Hyung Do Choi
- Issue Date
- 2010-09
- Citation
- European Microwave Conference (EuMC) 2010, pp.1433-1436
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper presents a wearable communication device for body protection from electromagnetic wave using a electromagnetic bandgap (EBG) structure at a WCDMA band. Since wearable wireless communication devices are worked in the proximity or contact of the human body, a health risk from a electromagnetic fields generated by body worn devices is important. The EBG structures can suppress the propagation of surface current and act as a perfect magnetic conductor. Thus, it is capable of preventing a undesired electromagnetic wave from the wireless communication devices. The proposed wearable communication device has the PIFA with the EBG structure at a WCDMA band, frequency generator for the SAR testing and a dielectric case. It is a kind of watch phone worn on the human wrist. Simulation and experimental results demonstrate S-parameter, radiation pattern and the SAR value of the proposed structure. © 2010 EuMA.
- KSP Keywords
- Communication device, EM wave, Electromagnetic Field(EMF), Electromagnetic bandgap (EBG) structure, Health risk, Human Body, Perfect Magnetic Conductor(PMC), SAR values, Surface current, electromagnetic wave, radiation pattern(RP)