DUAL BAND NOTCHED UWB MONOPOLE ANTENNA USING EMBEDDED OMEGA SLOT AND FRACTAL SHAPED GROUND PLANE | Zendy

Balaka Biswas | Zendy; Rowdra Ghatak | Zendy; Anirban Karmakar | Zendy; Д. Р. Поддар | Zendy

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DUAL BAND NOTCHED UWB MONOPOLE ANTENNA USING EMBEDDED OMEGA SLOT AND FRACTAL SHAPED GROUND PLANE

Author(s) -

Balaka Biswas,

Rowdra Ghatak,

Anirban Karmakar,

Д. Р. Поддар

Publication year - 2014

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc14070701

Subject(s) - monopole antenna , radiation pattern , physics , standing wave ratio , ground plane , j pole antenna , optics , dipole antenna , antenna (radio) , fractal antenna , helical antenna , acoustics , electrical engineering , antenna efficiency , microstrip antenna , engineering

This paper presents the development of an Ultra Wide Band (UWB) monopole antenna with dual band notch characteristics. Modifled crown-square shaped fractal slots in the ground-plane are implemented to enhance the impedance bandwidth to around 58% as compared to conventional square monopole antenna without slots. Impedance bandwidth of the proposed antenna is approximately 114% with Voltage standing wave ratio (VSWR) < 2. In addition to this, two omega-shaped (›) slots have been incorporated in the radiating patch to render band-notch characteristics centered at 5.5GHz band assigned to IEEE802.11a and HIPERLAN/2 as well as X-band for satellite communication centered at 7.5GHz band. Measured antenna gain is stable over the entire UWB region except at the notch bands. Radiation pattern of the antenna show that the proposed antenna exhibits nearly monopole like E plane radiation patterns and omni-directional H plane radiation patterns throughout the band. A fabricated prototype is developed with close agreement between simulated and measured results.

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