Reconfigurable Antenna Ground Switching for Multi-Directional Radiation
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Solution Overview
Problem
Existing electronic device packages face challenges in reducing size and achieving higher integration while supporting increased functionality, particularly in portable devices, due to limitations in antenna design and packaging solutions like AiP and AoP.
Innovation Solution
An antenna system with conductive elements functioning as reflectors or directors, controlled by a switch circuit to electrically couple with ground, allowing flexible signal directionality without requiring physical bending of the carrier, thus facilitating miniaturization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If antenna in package (AiP) or antenna on package (AoP) solutions are used, then integration is improved, but device size reduction is limited
Solution Approach 1:
The patent employs a reconfigurable antenna system where conductive elements can be dynamically switched between different electrical states (grounded or floating) to change radiation patterns and directional characteristics. This dynamic reconfiguration allows the antenna to adapt to different functional requirements without physical movement, achieving versatile integration while maintaining compact form factor.
Solution Approach 2:
The invention changes electrical parameters (impedance, ground connection state) of conductive elements through switch circuits to transform the antenna's radiation characteristics. By controlling whether conductive elements are grounded or isolated, the system can switch between different radiation patterns and directionalities, enabling multiple functions from a single compact antenna structure.
2Adaptability or versatility
If multiple radiation directions are supported, then functionality is increased, but device size increases
Solution Approach 1:
The patent designs a single antenna system that can perform multiple radiation functions by reconfiguring the electrical state of its conductive elements. The same physical antenna structure can radiate in different directions (e.g., +Z, -Z, +Y, -Y) by changing which elements are grounded, eliminating the need for multiple separate antennas and enabling multi-directional functionality in a compact form factor.
3Adaptability or versatility
If switch circuits are used to control ground coupling, then signal directionality is improved, but device complexity increases
Solution Approach 1:
The patent replaces physical mechanical adjustments (such as moving or rotating antenna elements) with electrical switching mechanisms. Instead of mechanically reconfiguring the antenna structure to change radiation directions, the system uses electronic switch circuits to control ground connections, achieving the same effect through electrical state changes rather than mechanical movement, thereby reducing overall system complexity.
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 solution enables efficient signal transmission in multiple directions without increasing device size, promoting miniaturization and integration by dynamically controlling radiation patterns through switch circuits.
Implementation Method 1
The first conductive element is configured to transmit a first signal along a first direction. The second conductive element is configured to transmit a second signal along a second direction different from the first direction.
Implementation Method 2
The switch circuit is configured to electrically couple a ground to the first conductive element and/or the second conductive element.
Data Source
AI summary
The present disclosure provides an electronic device. The electronic device includes an antenna. The antenna includes a first conductive element, a second conductive element, and a switch circuit. The first conductive element is configured to transmit a first signal along a first direction. The second conductive element is configured to transmit a second signal along a second direction different from the first direction. The switch circuit is configured to electrically couple a ground to the first conductive element and/or the second conductive element.