Estimation of the Optimal Location of Metallic Objects Inside a Mobile Phone

Jesper Thaysen, Kaj Bjarne Jakobsen

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Abstract

Planar near-field measurements of the electric field components are used to determine where to place external components, such as a loudspeaker or camera, without significantly affecting the radiated field. The location of the peak value of the electric field is discussed. The three principal electric field components are simulated in order to illustrate which of the individual components contributes the most to the total field. The measured and simulated results are compared and discussed in terms of the radiation from the planar inverted-F antenna (PIFA) element itself and from the ground plane of the antenna. The study shows that the optimal location of a camera or a loudspeaker can be determined directly from the raw, unprocessed, electric near-field distribution. The result is that metallic objects should be located in areas below local minima in the electric field amplitude of the total field
Original languageEnglish
JournalMicrowave Journal
Pages (from-to)196-204
ISSN0192-6225
Publication statusPublished - 2005

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