A study on miniaturization of a handset antenna utilizing magnetic materialsllltli h s i a d . r i C i c Conference onCosnmicatioirs and 5 t h internztional Symposium on Malt i-Dimensional Mobile ComniratiorisA study on miniaturization of a handset antenna utilizing magnetic materialsTomoki Tanaka, Shogo Hayashida, Karufiimi Imamura_Hisashi Morishita Depaltment of Electrical Engineering National Defense Academy Yokosuka. Japan morisita@,cc.nda.ac.jp.4bsrmcr- One of the trends observed in the cellular phone technologies is to dramatically reduce the s u e and the weight of the handset. Accordingly antennas used for such handsets must also follow downsizing of the handset unit. In pnrticular, built-in antennas are required recently. In this paper, we investigate a downsizing technique of antennas for handset by Utilizing a magnetic material. Firstly, basic Cha……
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