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In this paper, an accurate equivalent circuit model is presented for a triple frequency rejection band UWB antenna that provides the desired frequency rejection function at center frequencies of 2.92 GHz, 4.06 GHz and 5.28 GHz. The extraction of the equivalent circuit model of the presented antenna mainly depends on the impedance characteristic of electromagnetic (EM) simulation. The equivalent circuit...
In this paper, a microstrip-fed multi-band antenna is proposed for wireless communication applications. The proposed multi-band characteristics are implemented by etching ratio period defected microstrip structures (RP-DMSs) into a 50Ω microstrip line to construct desired stop bands in a wide-band antenna. As a result, a multi-band antenna is realized for S-band, C-band and X-band communication systems...
A novel ultra-wideband (UWB) antenna with tri-band-notched characteristics is proposed. Which based on Complementary split ring resonator (CSRR) structure and slots structure. The antenna is based on circle patch monopole antenna. This paper introduce the Monopole ultra-wideband antenna etched CSRR structure and return type slot, and by turning the size of CSRR, it's easily achieved tri-band-notched...
A novel ultra-wideband (UWB) antenna with dual band-notched characteristics is proposed. Which based on Complementary split ring resonator (CSRR) structure. The antenna is based on circle patch monopole antenna. This paper introduce the Monopole ultra-wideband antenna etched CSRR structure, and by turning the size of CSRR, it's easily achieved dual band-notched characteristics. As the significant...
A novel ultra-wideband (UWB) antenna with double band-notched characteristics is proposed. Which based on Complementary split ring resonator(CSRR) and slots structure. The double band-notched characteristics are achieved by etching CSRR on radiating patch and slots on ground plane. The UWB antenna work effectively during 3.1GHz~14.4GHz, and realized characteristic of band-notched in frequency of 4...
In this paper, a compact ultrawideband (UWB) multiple-input multiple-output (MIMO) antenna is presented. The proposed MIMO antenna consists of a monopole antenna element and a slot antenna element. The slot antenna is fabricated based on the origin structure of the monopole antenna, which reduces the overall size of the MIMO antenna. The proposed MIMO antenna operates over a wide band ranging from...
A slot-shaped UWB monopole antenna with frequency rejections in WLAN and WiMAX bands is proposed and investigated by using the HFSS. To achieve the dual-band frequency rejection characteristics, two arc-shaped resonators and a cross-shaped resonator are proposed and integrated into the circular-ring-shaped monopole wide slot antenna, which can operate on a wide frequency band ranging from 3GHz to...
A CPW-fed ultra-wideband monopole antenna with X-band rejection filter characteristic is proposed. The proposed rejection filter is obtained by using a stepped impedance resonator (SIR) with inner stub embedded in the CPW fed transmission signal line. The center frequency of the notch band can be controlled by adjusting the dimensions of the stepped impedance resonator and its inner stub. The proposed...
A compact printed log-periodic dipole antenna (CPLPDA) with a notched band is proposed for ultra-wideband (UWB) applications. The width of the largest dipole is reduced with the method of folding the dipole arms, and capacitive rectangular patches are loaded at the end of the arms for further reducing the size. A notched band is generated by integrating a U-shaped slot into the CPLPDA for anti-jamming...
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