Design a new notched UWB antenna to rejected unwonted band for wireless communication

Ansam Qasim Kamil, Ali Khalid Jassim

Abstract


This paper presents a slotted design for UWB antenna. Design of a rectangular UWB antenna covering the frequency range (3.1 - 10.6) GHz, to achieve notch characteristics in the bands at (3.1 - 8.4) and (8.6-10.6) GHz. By changing the direction of distribution of current to apply this technique by inserting three C-shaped holes and two pairs of rectangular notches below the antenna. The proposed structure shows good agreement with the simulation results. The proposed UWB antenna size is (100 x 90 x 1.6 mm) 3. This proposed design could provide a solution to eliminating bands that interfere in a UWB band depending on the aperture design. The simulated results show that the UWB antenna rejects all frequency bands using slits and operates in the (8.5) GHz center frequency range. This antenna design can provide a solution to remove UWB bands from (3.1-10.6) except for 8.5GHz which only works. By using the notch, we got a large increase in the gain. makes to be a suitable candidate for X-band- UWB applications.

Keywords


C-shape resonant; notched UWB unwonted band; rectangular band–notched; ultra-wideband antenna;

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DOI: http://dx.doi.org/10.12928/telkomnika.v19i6.19768

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