Design of Dual-Band Microstrip Patch Antenna for Wireless Local Area Network Applications
Objective
To design and optimize a compact dual-band microstrip patch antenna for WLAN applications, achieving efficient performance at 4.9 GHz and 6.7 GHz with good impedance matching and stable radiation characteristics.
Abstract
With the rapid growth of wireless communication technologies, there is an increasing demand for compact and efficient antennas capable of operating over multiple frequency bands. In this work, a dual-band microstrip patch antenna is proposed for WLAN applications, designed to operate at approximately 4.9 GHz and 6.7 GHz.
The antenna is fabricated on an FR-4 substrate, providing a cost-effective and practical solution for modern communication devices. Dual-band functionality is achieved by introducing an inverted U-shaped slot in the feed line and an inverted C-shaped slot in the radiating patch, which enables the generation of two distinct resonant frequencies. The overall antenna structure is compact, with dimensions of 17.952 mm × 16.896 mm, making it suitable for integration into portable and space-constrained systems.
The design is simulated and optimized using HFSS software, and the obtained results show good impedance matching with a VSWR less than 2 across both operating bands. The antenna demonstrates stable performance over the frequency ranges of 2.98–5.34 GHz and 6.6–7.2 GHz , along with consistent bidirectional radiation patterns and satisfactory efficiency.
In conclusion, the proposed antenna offers a simple, compact, and effective solution for dual-band WLAN applications, meeting the requirements of modern wireless systems in terms of size, cost, and performance.
Keywords: Dual-band microstrip antenna, WLAN, FR-4 substrate, HFSS, 4.9 GHz, 6.7 GHz, compact antenna, radiation pattern.
NOTE: Without the concern of our team, please don't submit to the college. This Abstract varies based on student requirements.
Block Diagram
Specifications
Software: HFSS Antenna designing.
Hardware:
- 64-bit Intel or AMD system, running Windows 10.
- 8 GB RAM
- A dedicated graphics card with latest drivers and at least 1GB video RAM, capable of supporting OpenGL 4.5 and DirectX 11, or higher. Use of integrated graphics (e.g., Intel HD/IRIS) is not recommended and is not support by the Analyze stage in Discovery. See below for special graphics requirements for ANSYS Discovery Live.
- 3 button Mouse.
Learning Outcomes
- Introduction to HFSS
- What is Antenna designing
- How to start with HFSS antenna designing.
- About Electromagnetic environmental setup
- Designing skills
- About libraries
- How to add feed, radiation patterns for Antenna.
- About HFSS desktop
- How to use different shapes in creation of Antenna
- Features of HFSS
- Basics on HFSS
- How to create EM fields in HFSS.
- How to generate directive gain, return loss graphs for different frequencies.
- How to extend our work to another real time applications
- Project development Skills
- Problem analyzing skills
- Problem solving skills
- Creativity and imaginary skills
- Programming skills
- Deployment
- Testing skills
- Debugging skills
- Project presentation skills
- Thesis writing skills
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