Side-Frame Antenna Layout for Radiation in Constrained Devices
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Solution Overview
Problem
Designing an antenna for securing antenna radiation performance is challenging due to structural complexity in constrained spaces within electronic devices.
Innovation Solution
The electronic device incorporates a side portion with conductive portions and electrical paths to connect wireless communication circuits, enhancing antenna radiation performance by positioning a second conductive portion between first and third conductive portions, which are electrically connected to a ground area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of antennas is increased to support various communication technologies, then communication functionality is improved, but device complexity increases
Solution Approach 1:
The side portion structure serves multiple functions: it provides mechanical support for the electronic device, creates electromagnetic shielding, and functions as an antenna element. By making the side portion multi-functional, the patent reduces the need for separate components, thereby supporting various communication technologies without proportionally increasing device complexity
Solution Approach 2:
The patent combines the antenna structure with the side portion housing element, merging two previously separate functions into a single integrated component. This integration allows the side portion to simultaneously serve as both structural support and electromagnetic radiation element, reducing overall device complexity while maintaining communication functionality
2Reliability
If antenna radiation performance is improved through structural optimization, then signal transmission quality is enhanced, but structural complexity increases
Solution Approach 1:
The side portion is divided into multiple conductive portions (first, second, and third conductive portions) that are physically separated but electrically connected through the ground area. This segmentation allows each portion to contribute to radiation performance while maintaining a relatively simple overall structure through modular design
Solution Approach 2:
The patent utilizes the side surface area of the electronic device as a radiation element, transitioning from traditional planar antenna designs to a three-dimensional surface utilization approach. By employing the vertical side portion as an antenna element, the design improves radiation performance without requiring additional planar space or complex multi-layer structures
3Reliability
If multiple conductive portions are positioned closely to improve antenna performance, then radiation efficiency is enhanced, but available space is reduced
Solution Approach 1:
The patent transitions from two-dimensional planar antenna layouts to three-dimensional spatial utilization by positioning conductive portions on the vertical side surface. This dimensional shift allows multiple conductive portions to be arranged in space without requiring additional planar area, thereby maintaining radiation efficiency while preserving available space within the device
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
This configuration secures and improves antenna radiation performance, optimizing signal transmission and reception in constrained spaces.
Implementation Method 1
The wireless communication circuit may be configured to transmit and/or receive a signal of at least one selected or predetermined frequency band through the first conductive portion and the third conductive portion
Implementation Method 2
The second conductive portion may be electrically and/or physically connected, directly or indirectly, to a ground area included in the electronic device
Data Source
AI summary
An electronic device may include: a side portion which may provide at least a portion of a side surface of the electronic device and may include a first conductive portion, a second conductive portion, and a third conductive portion that are physically separated from each other; a wireless communication circuit configured to transmit and/or receive a signal in at least one selected or designated frequency band through the first conductive portion and the third conductive portion; a first electrical path electrically connecting the first conductive portion and the wireless communication circuit; and a second electrical path electrically connecting the third conductive portion and the first electrical path, wherein the second conductive portion is positioned between the first conductive portion and the third conductive portion and electrically and/or physically connected to a ground region included in the electronic device.