A Miniaturized Internal Wideband Antenna for Wireless Usb Dongle Application

Abstract

Abstract-A miniaturized internal wideband antenna suitable for integration with the printed circuit board (PCB) of a wireless universal serial bus (WUSB) dongle is presented in this paper. The proposed antenna mainly consists of a folded metal plate with two sides beveled. By introducing a short-circuited pin connected to the system ground and etching a pair of slots in the bevel sides of the folded metal plate, a large impedance bandwidth from 2.4 GHz to more than 11 GHz is obtained, which easily covers the 2.4 GHz WLAN, WiMAX, S-DMB and UWB frequency bands. The effects of the short-circuited pin and the narrow slots on the impedance matching of the proposed antenna are investigated. The proposed antenna is easy to be fabricated by bending a sample metal plate due to its miniaturized geometry of 5 × 12 × 12.5 mm 3 . Details of the antenna design are described, and experimental results of the constructed prototypes are presented and discussed.

Design of Low Sar Planar Monopole Antenna for Mobile Wireless Communication Applications

“…Most of these designs generally require complicated two-or threedimensional antenna configurations. As a result, it provides not only a large size in the radiator in wireless USB dongle devices but also some of these complicated antennas cannot cover some of these wireless bands [6,7]. Recently, USB dongle antennas, which provide various mobile services such as mobile and ultra-wideband (UWB) communications [8][9][10], have been reported.…”

Low SAR planar monopole antenna for wireless communication applications

“…To provide additional functions such as plug-and-play, the conventional USB dongle is used in laptops, portable multimedia players (PMPs), and personal digital assistants (PDA) [4]. Owing to the rapidly growing demands for multiple services in a mobile terminal as shown in Table 1, various multiband antennas for USB dongle applications have been introduced [4–6].…”

Design of an Edge-Fed Quad-Band Slot Antenna for GPS/Wimax/Wlan Applications

“…In order to satisfy the various wireless communication protocol systems demands, the future communication terminal antennas must not only be with a multi-band operation, but also have a simple structure, compact size and easy integration with the circuit. For the sake of achieving multi-band operation, the traditional approach is to use multi-branched strips [1][2][3][4][5][6], which generally leads to a large size or requires a large groundplane. PIFA usually has a compact size, but its bandwidth is relatively narrow and a sufficient height from the ground plane has to be kept to achieve the acceptable performances.…”

“…The additional two resonant modes are excited with opening a concave slot in the rectangular patch and two T-shaped patches. Compared to the antennas in [1][2][3][4][5][6][7][8][9], the proposed antenna in this letter not only achieves quadruple bands meanwhile, but also has a rather simple structure that is easy to fabricate. To further reduce the size of the antenna, edge-fed technologies which can increase the antenna resonant length are utilized.…”