3D Ring-Ground Antenna Structure for Compact Device Interference
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Solution Overview
Problem
The increasing demand for compact electronic devices leads to limited space for antenna placement, causing interference between antennas and adjacent components, affecting their functional characteristics.
Innovation Solution
An antenna structure comprising a first ground unit and a signal unit, where the first ground unit is disposed correspondingly with the signal unit and serves as a radiating element, made of the same or different conductive materials, to increase bandwidth and meet antenna efficiency requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the component configuration is made more compact to meet functional and aesthetic demands, then the electronic device achieves better functional characteristics and appearance, but the space for antenna placement becomes limited and interference between antenna and adjacent components increases
Solution Approach 1:
The patent transitions the antenna structure from a planar configuration to a three-dimensional立体 structure by introducing a ground unit with height dimension. The ground unit extends vertically from the circuit board with a specific height range (0.5mm-5mm), creating spatial separation between the antenna element and adjacent components on the board, thereby reducing interference while maintaining compact footprint.
Solution Approach 2:
The antenna structure is integrated within the existing ground unit structure of the electronic device. The signal unit is positioned above the circuit board and nested within or adjacent to the ground unit, which itself is connected to the system ground. This nesting approach allows the antenna to share space with existing structural elements, achieving compact configuration without additional interference.
2Area of stationary object
If the antenna is placed closer to adjacent components to save space, then the configuration space is optimized, but the functional characteristics of the antenna and adjacent components are affected by mutual interference
Solution Approach 1:
The ground unit introduces a vertical dimension (height from 0.5mm to 5mm) to the antenna structure, enabling spatial separation from adjacent components on the circuit board plane. This three-dimensional configuration reduces electromagnetic interference while maintaining a compact horizontal footprint, thus optimizing configuration space without compromising functional reliability.
Solution Approach 2:
The ground unit serves as an intermediary structure between the signal unit (antenna element) and the system ground. It provides both mechanical support and electromagnetic isolation, acting as a mediator that enables the antenna to operate close to other components while maintaining proper grounding and reducing mutual interference through its conductive material properties.
3Ease of manufacture
If a traditional antenna structure is used with separate ground elements, then the antenna can be designed independently, but the device complexity increases and space utilization decreases
Solution Approach 1:
The patent merges the antenna ground element with the device's system ground structure. The ground unit is electrically connected to the system ground and serves dual purposes: as part of the antenna structure for signal radiation and as a grounding element for the overall device. This integration reduces the number of separate components and simplifies the overall device configuration while maintaining independent antenna design capabilities.
Solution Approach 2:
The ground unit performs multiple functions simultaneously: it serves as the ground element for the antenna structure, provides electromagnetic shielding, establishes electrical connection to system ground, and acts as a mechanical support structure. This multi-functionality reduces device complexity by eliminating the need for separate components for each function while maintaining ease of antenna design and integration.
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 structure enhances bandwidth and reduces interference by utilizing the first ground unit as a radiating element, improving performance in MIMO and WLAN systems, even in complex environments.
Implementation Method 1
The signal unit and the first ground unit are made of the same or different conductive materials, which helps the first ground unit act as a radiating element of the antenna structure
Data Source
AI summary
An antenna structure includes a signal unit and a first ground unit. The signal unit is configured for disposing a feeding port thereon. The first ground unit has a generally tubular or ring-shaped form. The first ground unit is disposed correspondingly to the signal unit and includes a first ground end. The first ground end is configured to be connected to a system ground. The signal unit and the first ground unit are made of the same or different conductive materials.