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The research aims to design a compact, high-gain active microstrip patch antenna array for 5G applications.

Circular Patch 1 × 2 Active Antenna Array for 5G Applications

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The research aims to design a compact, high-gain active microstrip patch antenna array for 5G applications.
Developed an active antenna array using a modified microstrip patch design.
Included an octagonal conductive patch within a square frame and a circular ring.
Implemented a coupling-loss compensation method with an RF amplifier.
Constructed prototypes with a low-loss substrate for experimental testing.
Achieved maximum gain of 18.15 dBi and directivity of 19.2 dBi.
Demonstrated a bandwidth of 320 MHz and HPBW of 73°.
Showed 94.7% radiation efficiency and a 99.9% increase in matching efficiency.

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Demonstrates enhanced radiation efficiency and gain in a 5G antenna array, indicating its potential for improved wireless communication.

Ahmed A. Al‐Mudhafar (2026) studied this question.

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