NDLI: A compact multi-folded patch antenna for UWB application at the UHF band

Content Provider	IEEE Xplore Digital Library
Author	Rui Guan Xiaomiao Zhang Li Jin Zhen Zhang Weixi Zhou
Copyright Year	2010
Description	Author affiliation: National Key Laboratory of Science and Technology on Antennas and Microwaves, Xidian University Xi'an, Shaanxi 710071, China (Rui Guan; Xiaomiao Zhang; Li Jin; Zhen Zhang; Weixi Zhou)
Abstract	Patch antennas usually involve a ground plane much larger than the radiating element. To make a patch antenna compact, it is significant to reduce the size of the large ground plane. In this paper, a compact multi-folded patch antenna with a substantially small ground plane for UWB (ultra wideband) application at the UHF (ultrahigh frequency) band is presented. The proposed antenna is derived from an ordinary L-shaped monopole antenna, and with the dimension of only 0.22λL× 0.092λL× 0.091λL (λL is the longest wavelength in the operating bandwidth) after folding the L-shaped radiating patch over the small ground plane. The characteristics such as impedance bandwidth, gain and pattern stability are analyzed and measured. According to the measured results, the antenna has an impedance bandwidth up to 61.5% for VSWR≤2, ranging from 450 MHz to 850 MHz, covering the band of DVB-T (Digital Video Broadcasting-Terrestrial) (470 MHz-862 MHz) and DTV (Digital TV) (470 MHz-806 MHz). Details of the fabricated antenna are described, and a prototype of the design example is constructed and studied.
Starting Page	1
Ending Page	4
File Size	812936
Page Count	4
File Format	PDF
ISBN	9781424463527
e-ISBN	9781424463558
DOI	10.1109/ISSSE.2010.5606974
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Bandwidth Patch antennas Microstrip antennas Impedance
Content Type	Text
Resource Type	Article

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