Loop Antenna Array for Clear Communication Boundary
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Solution Overview
Problem
Electric field communication systems struggle to form a clear boundary of a communication area due to environmental and orientation dependencies, leading to unreliable connections.
Innovation Solution
A loop antenna array utilizing multiple loop antennas arranged in specific configurations to create a magnetic field with a high attenuation rate, forming a clear and linear boundary of the communication area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an electric field communication system is used, then communication can be established around an access point device, but the distribution of the electric field is heavily affected by installation environment and user orientation, making it difficult to form a clear boundary of the communication area
Solution Approach 1:
The patent changes the fundamental parameter of the communication medium from electric field to magnetic field. Magnetic fields have different propagation characteristics that are less sensitive to environmental factors and orientation, enabling clear boundary formation while maintaining communication reliability
Solution Approach 2:
The patent substitutes the electric field-based communication system with a magnetic field-based system. This replacement fundamentally changes the physical mechanism used for communication, leveraging the properties of magnetic fields to achieve both reliable communication and clear spatial boundaries
2Reliability
If an electric field is used as a communication medium, then communication can be established, but the distribution of the electric field is affected a lot by surrounding conductors or dielectrics, leading to unstable communication
Solution Approach 1:
The patent changes the communication medium parameter from electric field to magnetic field. Magnetic fields are inherently less susceptible to interference from surrounding conductors and dielectrics compared to electric fields, thereby reducing environmental harmful factors and improving communication stability
Solution Approach 2:
The patent exploits the different interaction properties of magnetic fields with surrounding materials. While electric fields are heavily affected by conductors and dielectrics, magnetic fields interact differently, allowing the system to convert the potential harm of environmental interference into a benefit by using a field type that naturally resists such interference
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 loop antenna array effectively enhances the reliability of radio communication systems by creating a clear boundary of the communication area, improving connectivity and reducing interference from surrounding conductors and dielectrics.
Implementation Method 1
A loop antenna array of this embodiment includes multiple loop antennas as a type of a magnetic field antenna
Data Source
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AI summary
A loop antenna array capable of forming a clear boundary of a communication area is provided. The loop antenna array includes three loop antennas 1 to 3, in which a direction of a current flowing through the loop antenna 2 arranged in the middle and a direction of a current flowing through each of the loop antennas 1 and 3 arranged in both sides are opposite from each other, and the sum of magnetic moments of the loop antennas 1 to 3 is zero.