IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
SAR Reduction of PIFA with EBG Structures for Mobile Applications
Sangil KWAKDong-Uk SIMJong Hwa KWONJe Hoon YUN
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2009 Volume E92.B Issue 11 Pages 3550-3553

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Abstract

This paper proposes two types of electromagnetic bandgap (EBG) structures aimed for SAR reduction on a mobile phone antenna. The EBG structures, one which uses vias while the other does not can reduce the surface wave and prevent the undesired radiation from the antenna. Thus, these structures can reduce the electromagnetic fields toward the human head direction and reduction the SAR value. Tests demonstrate the reduction of SAR values and therefore, the human body can be protected from hazard electromagnetic fields by using the proposed EBG structures, regardless of whether vias are used or not.

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© 2009 The Institute of Electronics, Information and Communication Engineers
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