Miniature Antenna with Segmented Grounding for Signal Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional WLAN systems using a single antenna are limited by multipath fading, leading to unstable data transmission in miniature portable devices, and diversity antenna solutions require multiple antennas, making them impractical for small form factors.
Innovation Solution
A miniature antenna with an adjustable radiation pattern, featuring a base plate, grounding component, feed-in conductor, and controlling units, allowing for two working modes to optimize signal reception by altering current flow and radiation patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If diversity antenna technology is used to improve communication quality and overcome multipath fading, then signal transmission stability is improved, but the number of antennas increases occupying more space
Solution Approach 1:
The grounding component is divided into multiple parts (first grounding part, second grounding part, third grounding part) with a gap between them, creating multiple current flow paths within a single antenna structure. This segmentation allows the antenna to achieve diversity reception effects similar to multiple antennas while maintaining a compact form factor suitable for portable devices.
Solution Approach 2:
The antenna incorporates switching circuitry that can dynamically change the current flow paths by connecting or disconnecting different grounding parts. This dynamic reconfiguration allows the antenna to adapt its radiation pattern and current distribution to overcome multipath fading effects, providing stable signal transmission without requiring multiple fixed antennas.
2Reliability
If multiple antennas are designed for diversity antenna technology, then communication quality is improved, but device size increases making it impractical for miniature portable equipment
Solution Approach 1:
The patent combines multiple grounding components and current flow paths into a single integrated antenna structure. By merging what would traditionally require separate antennas into one unified design with switchable configurations, the system achieves diversity reception capabilities while reducing overall device complexity and maintaining a compact form factor for portable applications.
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
Enables stable and preferred wireless signal transmission by switching between two working modes, effectively addressing the size constraints and multipath fading issues in miniature devices.
Implementation Method 1
The antenna includes a base plate, a grounding component, a feed-in conductor, and controlling units that enable two working modes to receive wireless signals from different directions
Data Source
AI summary
An antenna includes a base plate, a grounding component, a feed-in conductor, a first controlling unit and a second controlling unit. The base plate includes a first surface and a second surface. The grounding component is provided on the first surface and includes a first part, a second part and a notch formed between the first part and the second part. The feed-in conductor is provided on the second surface and includes a first conducting part. The first conducting part extends across the notch, and is coupled to the first part. The first controlling unit is provided on the second surface and includes a first wire. The first wire extends across the notch, and is coupled to the first part. The second controlling unit is provided on the second surface and includes a second wire. The second wire extends across the notch, and is coupled to the first part.