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Compact Single Band Suppression Monopole Antenna for SWB Application


Affiliations
1 School of Information and Communication, Guilin University of Electronic Technology Guilin, China., China
2 Cognitive Radio and Information Processing Key Laboratory Authorized by China’s Ministry of Education Foundation, Guilin University of Electronic Technology, Guilin, China., China
3 School of Electronic Engineering, Xidian University, Xi’an, Shanxi, China., China
4 .College of Electronics and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, China
 

This article describes the design of a miniatured monopole antenna with a band notch for use in super-wideband applications. The suggested antenna is fed by a triangular tapered micro-strip feed line and has a frequency range of 2.88 to 60 GHz (bandwidth ratio: 20.83:1) with |S11|<−10 dB, with the exception of the notched band for WLAN band at 4.35–6.45 GHz. The antenna’s overall dimensions are 23 × 14.5 × 1 mm3 which consists of F4B substrate having permittivity of 2.65 and 1mm thickness, a round-cornered beveled-shaped radiating element, and a roundcornered partial ground plane. To realize the band notch characteristic an inverted crescent shape slot is introduced in the radiator. This paper presents the simulated results for the suggested antenna. The results shows that the suggested antenna operates well over the whole operational BW (181.7%), making it a good choice for SWB applications.

Keywords

Super wideband; Band-notch function, Tapered microstrip feed line, Miniature Size, Crescent Shape.
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  • Compact Single Band Suppression Monopole Antenna for SWB Application

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Authors

Imran Khan
School of Information and Communication, Guilin University of Electronic Technology Guilin, China., China
Hongbing Qiu
Cognitive Radio and Information Processing Key Laboratory Authorized by China’s Ministry of Education Foundation, Guilin University of Electronic Technology, Guilin, China., China
Saeed Ur Rahman
School of Electronic Engineering, Xidian University, Xi’an, Shanxi, China., China
Habib Ullah
.College of Electronics and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, China

Abstract


This article describes the design of a miniatured monopole antenna with a band notch for use in super-wideband applications. The suggested antenna is fed by a triangular tapered micro-strip feed line and has a frequency range of 2.88 to 60 GHz (bandwidth ratio: 20.83:1) with |S11|<−10 dB, with the exception of the notched band for WLAN band at 4.35–6.45 GHz. The antenna’s overall dimensions are 23 × 14.5 × 1 mm3 which consists of F4B substrate having permittivity of 2.65 and 1mm thickness, a round-cornered beveled-shaped radiating element, and a roundcornered partial ground plane. To realize the band notch characteristic an inverted crescent shape slot is introduced in the radiator. This paper presents the simulated results for the suggested antenna. The results shows that the suggested antenna operates well over the whole operational BW (181.7%), making it a good choice for SWB applications.

Keywords


Super wideband; Band-notch function, Tapered microstrip feed line, Miniature Size, Crescent Shape.

References