High-efficiency dual-band switched beam antenna with back lobe suppression using parasitic elements and patch etching...

Area of Science:

• Electrical Engineering
• Electromagnetics
• Wireless Communication

Background:

• 5G networks require advanced antenna solutions for dense urban environments.
• Existing antennas face challenges with signal clarity and interference reduction.
• Compact and cost-efficient designs are crucial for widespread 5G deployment.

Purpose of the Study:

• To design and develop an innovative single-element, dual-band beam-switching antenna.
• To achieve back lobe suppression for improved signal quality.
• To optimize the antenna for 5G applications, focusing on performance and cost-efficiency.

Main Methods:

• Integration of parasitic elements and patch etching techniques.
• Utilizing back lobe suppression and strategically placed short circuits.
• Optimization of a square patch (111.84 mm x 111.84 mm) and ground plane (143.84 mm x 143.84 mm).

Main Results:

• Dual-band operation achieved at 0.7 GHz and 2.6 GHz.
• Demonstrated beam-switching capabilities between 45°, 135°, 225°, and 315°.
• Achieved gains of 5.39 dBi at 0.7 GHz and 8.35 dBi at 2.6 GHz.
• Significant improvements in signal clarity and interference reduction confirmed via simulations and measurements.

Conclusions:

• The proposed antenna offers a robust solution for enhancing 5G network coverage and reliability in dense urban areas.
• The design provides a practical, cost-efficient, and high-performance antenna for future wireless technologies.
• The beam-switching capability and back lobe suppression contribute to superior network performance.