Multi-Resonance Antenna Unit for Broad 5G Millimeter-Wave Coverage
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Solution Overview
Problem
Traditional millimeter wave antenna modules in terminal devices have limited frequency coverage due to their narrowband nature, failing to completely cover the mainstream millimeter wave frequency bands in 5G systems, resulting in poor antenna performance.
Innovation Solution
An antenna unit comprising a target metal groove, M feed portions, M coupling bodies, and a first insulator with at least two radiating bodies, where the coupling bodies are coupled with the radiating bodies and the metal groove to generate induced alternating current signals, allowing the antenna to cover multiple frequency bands by utilizing different resonance frequencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional narrowband millimeter wave antennas are used in terminal devices, then the device structure remains simple, but the frequency coverage is limited and cannot cover mainstream 5G millimeter wave frequency bands
Solution Approach 1:
The antenna unit is divided into multiple independent radiating bodies (first radiating body, second radiating body, etc.) with different resonance frequencies. Each radiating body can operate independently at different frequency bands, enabling the antenna unit to cover multiple 5G millimeter wave frequency bands (such as n257, n260, n261) while maintaining a relatively simple integrated structure.
Solution Approach 2:
The antenna unit is designed to perform multiple functions by integrating multiple radiating bodies with different resonance frequencies into a single structure. The shared metal groove and feeding structure serve multiple radiating bodies, allowing the antenna unit to cover multiple frequency bands and adapt to different 5G millimeter wave applications without requiring separate antenna modules for each frequency band.
2Adaptability or versatility
If multiple separate antennas are used to cover different frequency bands, then frequency coverage is improved, but the device structure and size increase
Solution Approach 1:
Multiple radiating bodies are nested within a shared metal groove structure. The first radiating body, second radiating body, and other radiating bodies are positioned within the same metal groove, sharing common structural elements such as the metal groove walls and feeding structures. This nesting approach enables multiple frequency band coverages while maintaining a compact integrated antenna unit that fits within terminal device constraints.
3Ease of manufacture
If narrowband antennas are used, then manufacturing and design are simplified, but antenna performance across 5G frequency bands deteriorates
Solution Approach 1:
Each radiating body is designed with specific local characteristics optimized for its designated resonance frequency and frequency band. The first radiating body has dimensions and geometry optimized for its frequency, the second radiating body has different dimensions optimized for its frequency, and so on. This local optimization ensures high antenna performance and reliability at each frequency band while maintaining overall design simplicity through the shared metal groove structure.
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 unit enhances frequency coverage and performance by generating electromagnetic waves with diverse frequencies, effectively covering a broader range of 5G millimeter wave frequency bands, thereby improving communication capabilities.
Implementation Method 1
the coupling bodies are coupled with the at least two radiating bodies and the target metal groove... the coupling bodies may be coupled with the at least two radiating bodies and the target metal groove in a case that the coupling bodies receive an alternating current signal, so that the at least two radiating bodies and the target metal groove generate induced alternating current signals, and the at least two radiating bodies and the target metal groove generate electromagnetic wave with a certain frequency
Implementation Method 2
different radiating bodies have different resonance frequencies, and M is a positive integer... different radiating bodies have different resonance frequencies, the electromagnetic waves generated by at least two radiating bodies and the target metal groove have different frequencies
Data Source
AI summary
An antenna unit and a terminal device are provided. The antenna unit includes a target metal groove, M feed portions arranged at the bottom of the target metal groove, M coupling bodies and a first insulator which are arranged in the target metal groove, and at least two radiating bodies borne by the first insulator, wherein the M feed portions are insulated from the target metal groove, the M coupling bodies are located between the bottom of the target metal groove and the first insulator, each of the M feed portions is electrically connected to one coupling body respectively, each of the M coupling bodies is coupled with the at least two radiating bodies and the target metal groove, different radiating bodies have different resonance frequencies, and M is a positive integer.