Low Cost AIP Design in 5G Flexible Antenna Phase Array System Application.

Area of Science:

• Electrical Engineering
• Electromagnetics
• Wireless Communication

Background:

• 5G communication systems require advanced antenna solutions for higher frequencies.
• Antenna-in-Package (AIP) technology offers miniaturization and integration benefits.
• Low-cost materials and integrated circuits are crucial for widespread 5G adoption.

Purpose of the Study:

• To design and investigate a cost-effective 28 GHz Antenna-in-Package (AIP).
• To demonstrate a flexible phased array system using integrated antenna and phase control.
• To evaluate the performance of the AIP unit cell for 5G applications.

Main Methods:

• Designed a 2x2 unit cell AIP on FR4 substrate with AnokiWave phasor integrated circuit.
• Integrated the antenna and phase shift control IC on the same substrate.
• Fabricated and measured the return loss and peak gain of the unit cell.

Main Results:

• Achieved a return loss bandwidth of 26.5-29.5 GHz at 28 GHz.
• Obtained a peak gain of 14.4 dBi at 28 GHz for the unit cell.
• Demonstrated the feasibility of creating flexible phased array systems (e.g., 2x8, 8x8, 2x64).

Conclusions:

• The developed low-cost 28 GHz AIP is suitable for 5G communication systems.
• The integrated design offers flexibility in creating various antenna array sizes.
• The performance metrics indicate potential for practical 5G deployment.