A COMPACT UWB ANTENNA WITH DUAL BAND REJECTION | Zendy

Pramendra Tilanthe | Zendy; P.C. Sharma | Zendy; T. K. Bandopadhyay | Zendy

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A COMPACT UWB ANTENNA WITH DUAL BAND REJECTION

Author(s) -

Pramendra Tilanthe,

P.C. Sharma,

T. K. Bandopadhyay

Publication year - 2011

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

ISSN - 1937-6472

DOI - 10.2528/pierb11092204

Subject(s) - dual (grammatical number) , antenna (radio) , computer science , multi band device , telecommunications , philosophy , linguistics

In this communication, a new compact UWB monopole antenna with dual band rejection is presented. The antenna is designed using FR4 substrate with dielectric constant 4.4, loss tangent 0.02 and a height of 1.59mm. Initially the UWB antenna is designed to obtain a 153% fractional bandwidth from 2.4GHz{21.7GHz. The ground plane beneath the patch is etched out and a rectangular slot is introduced to obtain a broadband matching over the operating frequency range. Later the antenna is modifled to get a frequency notch in the IEEE802.11a and HIPERLAN/2 WLAN operating band (5.15GHz{5.825GHz) to avoid potential interference. A U shaped slot is optimally introduced in the patch to get the desired performance. Finally an L shaped slot is cut from the radiating patch to fllter the frequency band 3.3GHz{3.6GHz, which is WiMAX service band. The antenna parameters are optimized and the efiects of parametric variation on antennas performance are studied and the summary is presented. The antenna is fabricated and measured results are presented. The measured results are in well agreement with the simulated results.

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