Broadband Bipolar mmWave Antenna With Simpler PCB Structure
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Solution Overview
Problem
Conventional broadband bipolar mmWave antennas have complex structures that increase manufacturing difficulties and costs, limiting their adoption in 5G networks.
Innovation Solution
A broadband bipolar mmWave antenna design featuring a simple structure with a first substrate, a second substrate, a parasitic element, a patch, feeding lines, and a via, which operates within the 25.6 GHz to 29.8 GHz frequency band, reducing manufacturing complexity and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional multi-layer substrate structures with slot technology and many vias are used, then radiation performance can be improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent extracts and eliminates the complex multi-layer substrate structure, slot technology, and excessive vias from the conventional design. By removing these unnecessary elements and retaining only the essential components (feed network, radiating elements, and ground plane), the design achieves comparable radiation performance with significantly reduced manufacturing complexity
Solution Approach 2:
The patent adopts a simpler, more economical substrate structure that can be manufactured using standard PCB techniques rather than complex multi-layer lamination. This approach prioritizes cost-effectiveness and manufacturing ease while maintaining adequate radiation performance for the intended application
2Reliability
If conventional multi-layer substrate structures with slot technology and many vias are used, then radiation performance can be improved, but manufacturing cost increases
Solution Approach 1:
The patent employs a cost-effective single or dual-layer substrate structure instead of expensive multi-layer lamination. By using standard PCB manufacturing processes and eliminating the need for complex slot cutting and via fabrication, the design achieves significant cost reduction while maintaining functional radiation performance
Solution Approach 2:
The patent removes the costly multi-layer substrate construction, slot technology, and excessive via structures from the conventional design. By retaining only the essential radiating elements and feed network on a simpler substrate, the design achieves comparable performance at lower manufacturing cost
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 achieves a wider bandwidth and comparable or improved radiation performance compared to conventional structures, while significantly reducing manufacturing costs and complexity.
Implementation Method 1
a via formed passing through the first substrate, the parasitic element and the second substrate
Implementation Method 2
broadband bipolar millimeter wave antenna... a patch formed on the upper surface of the first substrate... a parasitic element disposed in between the first and second substrates
Data Source
AI summary
The invention provides a broadband bipolar mmWave antenna comprising: a first substrate having an upper surface and a bottom surface; a second substrate attached to the bottom surface of the first substrate; a parasitic element disposed in between the first and second substrates; a patch formed on the upper surface of the first substrate; a first feeding line coupled with the patch and formed on the upper surface of the first substrate; a second feeding line coupled with the patch and formed on the upper surface of the first substrate; and a via formed passing through the first substrate, the parasitic element and the second substrate.