Monopole Antenna for Bluetooth and Ultra Wideband Applications with Notched WiMAX Band on Teflon

Provided by: International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE)
Topic: Mobility
Format: PDF
In 2002, FCC has allowed the unlicensed use of ultra wideband spectrum (3.1GHz-10.6GHZ) with restricted power emission of -41dBm/MHz under part 15 rules. The ultra wideband technology offer many advantages like high data rate at short ranges, low power, noise immunity, relatively simple receiver architecture. A dual band circular monopole antenna for Bluetooth and ultra wideband applications with WiMAX notched band is presented. The antenna shows return loss characteristics less than -10dB for Bluetooth (2.40-2.47GHz) and ultra wideband (2.73-11.5GHz) except at notched band. High VSWR is obtained at 2.6GHz and WiMAX band (centre frequency 3.5GHz) .The radiation patterns show omni-directional characteristics at lower frequencies with good polarization isolation.

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