Integrated Antenna Design for 4G-Microwave & 5G-Millimeter wave Mobile Communications
Integrated antenna solutions capable of supporting multiple frequency bands are essential for future compact wireless communication devices. This paper presents a multiband antenna design with a wide frequency ratio, optimized for both low and high bands, to meet the requirements of 4G and 5G applic...
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| Other Authors: | , , , |
| Published: |
2026
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| Online Access: | http://hdl.handle.net/11675/14527 https: |
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| Summary: | Integrated antenna solutions capable of supporting multiple frequency bands are essential for future compact wireless communication devices. This paper presents a multiband antenna design with a wide frequency ratio, optimized for both low and high bands, to meet the requirements of 4G and 5G applications. The proposed antenna consists of a tapered slot, which operates as a high-gain antenna at 28 GHz (5G mm-wave) and as a resonant open-ended slot at 3.5 GHz (sub-6 GHz). To enhance the impedance bandwidth, the slot geometry is modified by introducing multi-sections within the slot. For lower-frequency bands, a multiband folded monopole antenna is integrated with the tapered slot on the same PCB using a single feed, covering 4G bands alongside the primary 5G bands. The final design operates effectively at 0.9 GHz, 2 GHz, 3.5 GHz, 5.5 GHz, and 28 GHz. The proposed design is experimentally validated and has good performance. |
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