Compact Multilayer Yagi-Uda Based Antenna for IoT/5G Sensors.

Area of Science:

• Electrical Engineering
• Antenna Theory
• Wireless Communications

Background:

• Next-generation mobile communications (5G) utilize mmWave frequencies, presenting challenges in capacity and performance.
• Higher gain antennas, MIMO, and beamforming are key to overcoming these challenges.
• Yagi-Uda antennas offer a balance of high gain, low cost, and compact size, suitable for IoT sensors.

Purpose of the Study:

• To design and analyze a compact multilayer Yagi antenna for 24 GHz IoT applications.
• To compare the performance of the multilayer Yagi antenna with a planar printed version.
• To evaluate the potential of stacked Yagi-Uda structures for IoT sensor applications.

Main Methods:

• Design of a compact multilayer Yagi antenna operating at 24 GHz.
• Comparative analysis between the multilayer Yagi antenna and a planar printed Yagi antenna.
• Performance evaluation including gain and bandwidth measurements.

Main Results:

• The multilayer Yagi antenna achieved a gain of 10.9 dBi, outperforming the planar structure by 2 dBi.
• The multilayer antenna exhibited a larger bandwidth of 6.9 GHz, compared to 4.42 GHz for the planar version.
• The stacked prototype demonstrated significant improvements in antenna properties.

Conclusions:

• The compact multilayer Yagi antenna shows enhanced performance for 24 GHz IoT applications.
• Stacked Yagi-Uda structures present a viable and improved alternative to planar implementations for IoT sensors.
• This design holds significant potential for advancing wireless communication capabilities in IoT devices.