Abstract
In this paper, a promising internal printed slot antenna for seven-band operation applied to the mobile phone has been proposed, covering all the five WWAN (namely, Wireless Wide Area Network) bands of GSM850/900/DCS1800/PCS1900/UMTS2100 and two LTE (namely, Long Term Evolution) bands of LTE2300/2500. With the use of slot elements, the presented antenna can be easily printed on an inexpensive FR4 substrate and shows a planar structure for low-profile mobile handsets. The antenna comprises an inverted L-shaped slot and three open-ended monopole slots, and these slot elements are integrated into a compact configuration to occupy a small area of 15 mm 40 mm in the back side of the system circuit board. A 50- microstrip feed line is employed to excite the designed antenna, which is printed on the top side of the PCB (Printed Circuit Board). Details of the antenna design, simulated and measured results on the return loss and radiation characteristics of the proposed antenna are presented and discussed.
Published Version
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