Abstract: In this paper, a 2x4 multiband patch antenna array is presented and it is designed and simulated by using CST Microwave Studio for the bands 10GHz, 46GHz-50GHz, 52GHz-58GHz, 82GHz-86GHz. The design of patch antennas is very efficient and widely used in wireless communication due to their lower cost of fabrication, light weight and can operate a microwave frequency but it offers low efficiency, low gain etc. Future upcoming wireless communication is needed of high gain. Similarly, the multiband antennas are highly desired to use a single antenna instead of multiple antennas for different bands. The antenna provides maximum and minimum gains of 9.33dB and 8.63dB at operating frequency 49.5 GHz and 85.56GHz. The overall size of antenna is 59.62mm X 25.79mm X 0.197mm make it to work better by fulfilling the requirements for wireless communication.
Keywords: Multiband, Millimetre Wave, Wireless Communication, Antenna Array.
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