Triple-Notched Band CPW fed UWB Antenna with Metallic Reflector for High Gain Performance

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K. G. Jangid P. K. Jain B. R. Sharma V. K. Saxena V. S. Kulhar D. Bhatnagar


This paper exhibits the design and performance of a coplanar waveguide (CPW) fed triple notched band ultra-wide band (UWB) antenna. Proposed prototype has two U-shaped slots on the patch and an inverted U slot in feed line with a metal reflector beneath the radiating element. Proposed structure renders wider impedance bandwidth extended between frequencies 2.71GHz to 12.92 GHz for VSWR < 2 with three rejection bands in the frequency ranges 3.456 to 3.988 GHz (WI-MAX IEEE 802.16), 5.27 to 6.032 GHz (WLAN IEEE 802.11 a/h/j/n) and 7.88 to 8.65 GHz (X-band down link satellite system) for VSWR > 2. The utmost simulated gain of proposed antenna with reflector is close to 9.9dBi at 7.4GHz. A sharp reduction observed in the efficiency values of the proposed structure at stop bands. Perhaps, this structure proved as a useful tool for various applications in modern communication systems including UWB.

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Jangid, K., Jain, P., Sharma, B., Saxena, V., Kulhar, V., & Bhatnagar, D. (2017, October 22). Triple-Notched Band CPW fed UWB Antenna with Metallic Reflector for High Gain Performance. Advanced Electromagnetics, 6(4), 15-21.

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