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Abstract
This paper presents a small printed monopole antenna of size 10 × 29 × 0.8 mm3. The proposed antenna consists of a rectangular radiating patch on one side and a rectangular ground metal with an inverted L-shaped ground strip on the other side. With this simple structure, the proposed antenna provides an impedance bandwidth ranging from 3.05 to 5.82 GHz, which covers the wireless USB (WUSB) operation band of 3.1–4.85 GHz. Good radiation performance and low gain variation are also obtained using the proposed antenna. Equipping with the advantages of dimension and performance, the proposed antenna appears as a promising candidate for USB dongle application. The detail of the proposed antenna design and experimental results obtained thereafter are presented and discussed in this article.