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A design of MIMO antennas using two monopole structures adding a neutral line connected to ground plane for achieving better isolation is proposed and examined. The antenna uses curved C-shaped arm to resonance the bands of IEEE802.11b/g/n; another arm extended on the feed achieves the bands of IEEE 802.11a application. The overall size of the design is 45×25×1.6mm3; the occupied area of the antenna...
In this paper, a multi-band monopole antenna for Universal Serial Bus (USB) dongle applications is proposed and examined. The antenna is fabricated on an FR4 substrate of permittivity of 4.4, thickness of 0.8 mm, and loss tangent of 0.0245.The antenna consists of a bent monopole and an inserted strip horizontally. The bent monopole resonates a mode operation at 2.4 GHz and 5.2 GHz. The L-shaped monopole...
In this paper, a monopole antenna with two curved stripes connected to feed point is proposed for WLAN USB dongle application. The meandered monopole excites a resonant mode at 2.4 GHz while the shorter curved strip operates two higher modes for 5.2 and 5.8 GHz bands. By the way, the part of two higher modes (5.2 and 5.8 GHz) is just used one band to cover the bands at 5GHz. The longer curved strip...
The monopole antenna using a simple architecture for WLAN 2.4 GHz and using a 50-ohm mini coaxial cable is proposed and investigated. Using an extended strip on a longest path of the antenna is to resonate a 2.4GHz mode and a mode about 5.8GHz. By an introduction of a pair of L-shaped strips on the antenna to help the impedance match. The antenna is designed with a simple structure, and a compact...
In this paper, a meandered monopole antenna with an extended back ground plane is proposed for WLAN USB dongle application. The meandered monopole excites a resonant mode at 2.4 GHz while the extended ground plane operates a higher mode for 5.15 GHz bands. A U-shaped strip is added to adjust the antenna's matching. From the simulated and measured return loss, the 10 dB operating bands cover the IEEE...
In this paper, a novel triple band antenna is proposed for Universal Serial Bus (USB) dongle applications. The proposed antenna is made by designing a monopole type antenna and adding an L-shaped strip on ground plane. The monopole antenna excites three resonant bands at 2.4, 4.2, and 5.8 GHz. By adding the L-shaped strip, the impedance matching of the 2.4 GHz band is improved and the middle band...
This paper proposes a PIFA type MIMO antenna at WLAN band for dongle application. The MIMO antenna consists of two identical PIFA antennas on both ends of an FR4 substrate and operates a frequency band at 2.45 GHz. A T-shaped element that is extended from system ground and a neutral line located on back side of the substrate are used to increase isolation between the two PIFAs. The neutral line is...
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