Related Experiment Video
Updated: Jun 22, 2026
07:28
Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
Published on: August 30, 2012
10.7K
A 24 GHz End-Fire Rod Antenna Based on a Substrate Integrated Waveguide.
Yanfei Mao1,2, Shiju E1,2, Yu Zhang1,2
1Engineering College, Zhejiang Normal University, Jinhua 321000, China.
Sensors (Basel, Switzerland)
|March 17, 2025
Summary
This study introduces a novel 24 GHz planar end-fire rod antenna using substrate integrated waveguide (SIW) technology. The developed antenna offers high gain and wide bandwidth, making it ideal for planar integrated circuit applications.
Area of Science:
- Electrical Engineering
- Electromagnetics
- Antenna Theory
Background:
- Traditional rod antennas (cylindrical, conical) are incompatible with planar technologies like CMOS and BiCMOS.
- Existing antenna designs often lack suitability for printed circuit board (PCB) fabrication.
Purpose of the Study:
- To present a 24 GHz planar end-fire rod antenna.
- To demonstrate the antenna's suitability for planar PCB and integrated circuit technologies.
- To highlight the benefits of using substrate integrated waveguide (SIW) for antenna design.
Main Methods:
- Design and fabrication of a planar end-fire rod antenna using SIW technology.
- Utilized PCB Rogers 4350 material for antenna construction.
- Performance evaluation through measurements.
Main Results:
- Achieved a gain of 8.55 dB.
- Obtained an S11 bandwidth of 6.2 GHz.
- Demonstrated high gain, wide bandwidth, compactness, and structural simplicity.
Conclusions:
- The SIW-based planar end-fire rod antenna is a viable solution for 24 GHz applications.
- The antenna's characteristics are suitable for PCB and integrated circuit technologies.
- Potential for future applications in mm-wave and THz integrated antenna design due to its simple architecture.
