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- W2060900750 abstract "This paper presents a CPW-fed ultra-wideband (UWB) antenna with band rejection characteristic for UWB communications. A planar rectangular patch is printed on a PCB with epsiv=4.4 (FR4) and the volume of this antenna is 30times30times1.6 nm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sup> . To obtain the band rejection characteristic, we made the partial ground with width of 30 nun and length of 2 nun on the other plane of the patch. By adding a branched feed line, we obtained increased bandwidth. Also, the addition of bevels on both edges of a rectangular patch increased the bandwidth. For the optimized parameters, simulations are performed by using HFSS. The average measured return loss is -9.9 dB in 3.1 GHz ~ 4.8 GHz Low Band and it shows not so good characteristic. But band rejection characteristic in 5.1 GHz ~ 7.0 GHz band shows better performance than the simulation. This antenna provides nearly same H-plane patterns at 5 GHz between the simulation and the measurement but it shows a marked difference at 6 GHz. And the measured group delay is average 0.17 ns with the maximum 1.0 ns at 10.4 GHz. If the return loss in Low Band can be improved, this proposed antenna will satisfy the UWB specifications of the MIC (ministry of information and communication) of Korea." @default.
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- W2060900750 date "2007-12-01" @default.
- W2060900750 modified "2023-10-16" @default.
- W2060900750 title "A CPW-Fed UWB Antenna with Band Rejection Characteristic" @default.
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- W2060900750 doi "https://doi.org/10.1109/apmc.2007.4554989" @default.
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