Band-Notched UWB Annular Slot Antenna with Enhanced Bandwidth by Using EBG Via Holes

Provided by: NORTH ATLANTIC UNIVERSITY UNION Topic: Mobility Date Added: Oct 2013 Format: PDF
In this paper, a design of a proximity-fed planar annular slot antenna with standard band-notched characteristic for Ultra-WideBand (UWB) applications is demonstrated. The band-notch is realized by nearly a half-wavelength split-ring parasitic element printed around the radiating patch. The patch is excited via a proximity-fed strip line with an arrangement of EBG via holes. The Voltage Standing Wave Ratio (VSWR) of the proposed antenna is less than 2.0 in the frequency band from 2.82 to 10.74GHz, while showing a very sharp band-rejection performance at 5.51GHz which preserved for IEEE 802.11a and HIPERLAN/2 services.

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