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A compact CPW-fed planar monopole antenna for ultra-wideband applications is presented and investigated. The proposed antenna with a small size of 20 mm ×26 mm × 1.6 mm is composed of a staircase shaped radiating element fed by a CPW feed line, and an inverted stair-style ground. The measured results agree reasonably with the simulated ones. The proposed antenna yields a wide bandwidth ranging from...
In this paper, three pairs of meandered ground stubs are used to create a triple band-notched characteristic for a compact planar-monopole antenna used in the ultrawide band (UWB). The three band notches include the IEEE 802.16 (WiMax) band (3.3-3.6 GHz), the lower wireless area network (WLAN) band (5.15-5.35 GHz) and the higher WLAN band (5.725-5.825 GHz). The center frequencies and bandwidths of...
This paper describes a method to improve the cutoff capability of an ultra wideband (UWB) planar antenna at the out-of-band frequencies using a meandered slot. In the presented UWB design, aimed for operation between 3.1 and 10.6 GHz, the antenna is formed by a planar monopole and a ground plane both of half circle shape, with a meandered-shape slot made in the monopole. In order to assess the antenna's...
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