Antenna Module Spacing for High-Frequency Signal Integrity
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Solution Overview
Problem
Existing antenna structures in electronic devices are inefficient for high-frequency bands (6 GHz or higher) due to interference from metal components, limiting transmission and reception, and require a modular design that separates antennas from metal housings for effective operation.
Innovation Solution
The antenna module is designed to be spaced apart from metal components within the electronic device, utilizing a modular structure with heat dissipation members and controlled arrangement of patch or dipole antennas for efficient radiation and reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the antenna is integrated with metal components in the electronic device, then the device structure is simplified, but the antenna transmission and reception performance deteriorates due to interference from metal components
Solution Approach 1:
The patent divides the antenna system into a separate antenna module that can be independently positioned within the electronic device. This segmentation allows the antenna to be spatially separated from metal components that would cause interference, while still maintaining integration at the system level. The antenna module is positioned in a specific region away from metal housings or frames, resolving the contradiction between structural simplicity and performance.
2Volume of moving object
If the antenna module is positioned close to metal housings or frames, then the mounting space is reduced, but the antenna radiation performance deteriorates due to interference
Solution Approach 1:
The patent applies local quality by creating a specific spatial zone within the electronic device where the antenna module is positioned away from metal components. This local arrangement ensures that the antenna operates in a region with minimal electromagnetic interference from metal housings or frames, while other parts of the device can maintain compact metal structures. The antenna module is specifically placed in a region defined by distance constraints from metal surfaces.
3Volume of moving object
If multiple antenna elements are arranged in a compact array, then the device size is reduced, but the radiation efficiency decreases due to limited spacing
Solution Approach 1:
The patent utilizes three-dimensional spatial arrangement of antenna elements within the antenna module, allowing multiple elements to be configured in different layers or orientations. This dimensional approach enables compact packaging of multiple antenna elements while maintaining sufficient spacing between them for optimal radiation efficiency. The antenna elements can be arranged in vertical stacks or angled configurations that preserve performance while reducing the device's footprint.
Data Source
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AI summary
An electronic device according to various embodiments of the present disclosure can comprise: a housing comprising a front plate which faces a first direction, a back plate which faces a second direction opposite from the first direction, and a lateral member which surrounds a space between the front plate and the back plate and has at least one part formed from a metal material; a display seen through a first part of the front plate; an antenna module positioned inside the space; and a wireless communication circuit which is electrically connected to the antenna module and is for transmitting and/or receiving a signal having a frequency of 20 GHz to 100 GHz. The antenna module can comprise: a first surface facing a third direction forming an acute angle with the second direction; a second surface facing a fourth direction opposite from the third direction; at least one first conductive element disposed on the first surface or inside the antenna module so as to face the third direction; and at least one second conductive element which is adjacent to the lateral member between the first surface and the second surface and extends in a fifth direction different from the third direction and the fourth direction and facing between the lateral surface and the first part of the front plate. Other embodiments are also possible.