Abstract
AbstractIn this article, started from analyzing the basic principle of band-notched characteristics, a feasibly method used for band-notched antenna is demonstrated and the equivalent circuit for this method is designed. A novel UWB antenna is designed. Based on this method, two stubs which can be equivalent to shorted stubs in parallel configuration are added to realize dual band-notched characteristics. Simulated and measured results all show that the UWB antenna yields an impendence bandwidth of 2.0–10.6 GHz by defining VSWR ≦ 2, and two obvious band-notched functions (3.27–3.83 GHz, 4.60–5.90 GHz) occur at the working bandwidth of WIMAX (3.3–3.7 GHz) and HiperLAN/2 (5.15–5.35 GHz, 5.47–5.725 GHz), so the electromagnetic interference between UWB application and WIMAX, HiperLAN/2 can be suppressed.
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