Design and Analysis of Massive MIMO Patch Antenna (8x8) In E band Application
DOI:
https://doi.org/10.63318/waujpasv3i2_33Keywords:
Massive MIMO, E-band, Directivity, Gain, Millimetre-wave, CST microwave studioAbstract
A high-gain 8×8 massive MIMO microstrip patch antenna array operating in the E-band frequencies of 80 and 90 GHz was designed, simulated, and analyzed using CST Microwave Studio. The proposed array was fabricated on a Rogers RT/duroid ® 5880 substrate with a thickness of 0.254 mm, selected for its low dielectric loss, stable permittivity, and superior thermal reliability at millimeter- ave frequencies. A wave guide port feed network combined with inset feeding is employed to achieve efficient power distribution and optimal impedance matching across all elements. Simulation results demonstrate excellent performance, with a peak gain of 23.77 dBi, directivity of 24.44 dBi, and reflection coefficient (S11) of –29 dB, indicating strong impedance matching and high radiation efficiency. The proposed antenna exhibits robust structural and electromagnetic stability, making it a strong candidate for next-generation millimeter-wave applications such as high-capacity wireless backhaul, automotive radar, and 5G/6G communication systems.
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