Multi-Radiator Antenna Module for 2.4 GHz, 5G, and 6G Band Coverage
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Solution Overview
Problem
Current antenna designs only cover 2.4 GHz and 5G frequency bands, failing to meet the expanded bandwidth requirements of WIFI 6E, which necessitates extending the 5G frequency band to 6G, doubling the bandwidth range and increasing design complexity.
Innovation Solution
The antenna module comprises multiple radiators and extensions configured to cover specific frequency bands, including 2.4 GHz, 5G, and 6G, with specific radiator lengths and ground connections to achieve impedance matching and resonance across these bands, allowing the module to be disposed on an irregular frame to accommodate multiple frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single antenna is used to cover multiple frequency bands, then the device complexity is reduced, but the bandwidth coverage and impedance matching performance deteriorate
Solution Approach 1:
The antenna system is divided into multiple independent radiator elements (first radiator, second radiator, third radiator, fourth radiator, fifth radiator, sixth radiator), each optimized for specific frequency bands. These segmented radiators are connected through feed-in ends and ground connections to form a multi-band antenna module that can simultaneously cover 2.4 GHz, 5G, and 6G frequency bands with proper impedance matching.
Solution Approach 2:
The antenna module is designed with multiple radiators that can collectively serve multiple frequency bands (2.4 GHz, 5G, 6G). Each radiator can be independently excited or combined, allowing the single antenna module to perform multiple functions across different wireless communication standards and frequency ranges.
2Adaptability or versatility
If the frequency band range is expanded to cover 2.4 GHz, 5G, and 6G, then the adaptability is improved, but the impedance matching and radiation characteristics deteriorate
Solution Approach 1:
Different radiators are designed with locally optimized dimensions and configurations suited for their target frequency bands. The first radiator with its specific length and width ratio is optimized for lower frequencies, while smaller radiators like the sixth radiator are optimized for higher 6G frequencies. Each radiator's local geometry is tailored to achieve optimal impedance matching at its operating frequency.
Solution Approach 2:
The antenna module employs multiple radiators with different dimensional parameters (lengths, widths, spacing) to cover different frequency bands. By varying the physical parameters of each radiator element, the system achieves proper impedance matching across 2.4 GHz, 5G, and 6G bands, with each radiator contributing to the overall frequency coverage through its optimized parameters.
3Adaptability or versatility
If multiple radiators are used to cover different frequency bands, then the bandwidth coverage is improved, but the device complexity increases
Solution Approach 1:
Multiple radiator elements (first through sixth radiators) are merged into a single integrated antenna module with shared feed-in ends and ground connections. This combining approach allows the system to achieve multi-band coverage through multiple radiators while maintaining a unified structural design that reduces overall device complexity compared to using separate antennas for each frequency band.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The antenna module effectively couples multiple frequency bands, including 2.4 GHz, 5G, and 6G, with improved impedance matching and radiation characteristics, providing efficient signal processing and expanded bandwidth, as demonstrated by S11, S12, and gain graphs, achieving performance metrics such as S11 < -6 dB and antenna gain > -4 dB across the specified bands.
Implementation Method 1
with specific radiator lengths and ground connections to achieve impedance matching and resonance across these bands
Data Source
AI summary
An antenna module includes first and second antennas. The first antenna includes first, second and third radiators. A first end of the first antenna is a first feed-in end. The second and third radiators are connected to a second end of the first radiator. The second radiator has a first ground. The second antenna includes fourth, fifth and sixth radiators. The fifth radiator is connected to a second feed-in end of the fourth radiator. A second ground is located at an intersection between the fifth and sixth radiators. The antenna module covers first, second and third frequency bands.