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A compact internal antenna is proposed for GSM/GPS/DCS/PCS/UMTS/Bluetooth/WLAN/WiFi/WiMAX applications. The proposed antenna is comprised of a loop antenna and a monopole antenna. The antenna system shows wide multi-operation band as well as good radiation patterns and small volume. The antenna can be printed on the system circuit board of the mobile phone and short-circuited to the system ground...
In this paper, facilities of antenna measurement have recently commissioned a spherical far-field measurement system. The low profile far-field spherical scan system provides significant advantages over the older far-field testing including elimination of problem of simple theta (thetas) and phi (phi) rotary axis with indoor far-field range testing, complete measurement characterization of the antenna,...
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