Cockpit Antenna Layout Using Duct Shielding for 5G Noise
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Solution Overview
Problem
Existing vehicle-mounted antennas are susceptible to electromagnetic noise and heat generation, particularly with 5G communication, and existing noise reduction methods are ineffective in specific noise arrival directions and fail to efficiently dissipate heat.
Innovation Solution
Positioning the vehicle-mounted antenna above a duct in the cockpit module, with a metal bracket in between, to dissipate heat and shield electromagnetic noise, and maintaining a distance from noise sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the vehicle mounted antenna is positioned close to on-board devices for space efficiency, then the device complexity is reduced, but electromagnetic noise from the on-board devices affects the antenna performance
Solution Approach 1:
The patent extracts the antenna from the noisy environment by positioning it above the duct, separated from noise-generating on-board devices. This spatial extraction allows the antenna to operate in a cleaner electromagnetic environment while maintaining integration within the cockpit module structure.
Solution Approach 2:
The duct serves as an intermediary barrier between the antenna and noise-generating on-board devices. By positioning the antenna above the duct, the duct structure acts as a physical and electromagnetic shield, mediating the interaction between the antenna and harmful electromagnetic noise from below.
2Speed
If high-frequency communication is performed for improved data transmission, then the communication speed increases, but heat generation in the antenna becomes significant
Solution Approach 1:
The patent converts the harmful heat generated by high-frequency communication into a manageable thermal transfer problem. By positioning the antenna above the duct and utilizing the metal bracket's thermal conductivity, the previously harmful heat is channeled through the bracket to the duct, which can dissipate it, thereby transforming a harmful effect into a controlled thermal management solution.
3Ease of operation
If the antenna is mounted directly on the dashboard for easy installation, then the ease of operation improves, but heat from the dashboard affects the antenna performance
Solution Approach 1:
Instead of mounting the antenna in the traditional horizontal plane on the dashboard surface, the patent positions it in the vertical dimension above the duct. This dimensional change allows the antenna to be thermally coupled to the duct structure through the metal bracket, utilizing the duct as a heat sink while maintaining installation simplicity within the existing cockpit module architecture.
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
Reduces electromagnetic noise effects and efficiently dissipates heat, ensuring satisfactory communication quality, especially for 5G systems.
Implementation Method 1
the vehicle mounted antenna is installed above the duct via the metal bracket such that a heat generated in the vehicle mounted antenna is allowed to be transmitted through the metal bracket and transferred to the duct
Data Source
Figure 1~2
Figure 3
AI summary
A vehicle mounted antenna 11 is inside a cockpit module 10, and is positioned above a duct 12 in the cockpit module 10 at least a certain distance from an on-board device 13 that is a source of noise and is positioned below the duct 12.