Dual-Band Circular Microstrip Antenna for Wireless Local Area Network Applications

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Provided by: Institute of Research in Engineering and Technology (IRET)
Topic: Mobility
Format: PDF
In this paper, the authors present a circular shaped microstrip antenna having a rectangular slot which is excited through an inset feed. Simulation results show that the designed antenna can be used as a dual resonant antenna with effective return loss of -29.43dB and -55.90dB at 1.609GHz and 2.239GHz respectively. The dual band operation of the proposed antenna is due to two exited modes (TM01 and TM11). For the proposed antenna TM11 is the fundamental as well as the dominant mode. The two modes have the similar broadside radiation characteristics and same polarization planes.
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