科研之友
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摘要
A low-profile internal monopole antenna has been proposed for multistandard mobile phones. The proposed antenna operates at GSM (880-960 MHz), DCS (1710-1880 MHz), PCS (1850-1990 MHz), UMTS (1920-2170 MHz), WiBro (2300-2390 MHz), Bluetooth (2.42-2.48 GHz), S-DMB (2.630-2.655 GHz), and WLAN (5.1-5.37, 5.75-5.9 GHz) frequency hands. Multiple resonators have been connected in parallel in a compact configuration to realize a miniaturized internal antenna for modern multistandard handsets. The proposed monopole antenna has been designed within a volume of 0.43 cm(3) (20 mm x 14 mm x 1.5 mm) that makes it suitable for ultra-thin mobile terminals. Two prototype antennas have been fabricated and characterized for return losses and radiation performances which are quite reasonable at all the targeted frequency bands.
- 出版日期2009-3
