Antenna Component Conductive Frame Slit L5 L1 Signal Generation
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Solution Overview
Problem
The integration of L5 band signals into electronic devices for improved GPS accuracy occupies too much internal space, compromising the performance of existing L1 band antennas due to poor signal isolation between the two frequency bands.
Innovation Solution
An antenna component utilizing a conductive frame with a slit and a signal generation circuit, electronically connected to a feed point, generates both L5 and L1 band signals using only one feed point, thereby optimizing internal space and reducing interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If L5 band antenna is added to electronic device for improved GPS accuracy, then GPS positioning accuracy is improved, but internal space is occupied and L1 band antenna performance deteriorates due to poor signal isolation
Solution Approach 1:
The conductive frame is designed to serve multiple functions: it acts as both the L5 band antenna radiator and the L1 band antenna ground reference. By making the conductive frame multi-functional, the patent eliminates the need for a separate L5 band antenna structure, thereby saving internal space while maintaining GPS positioning accuracy through L5 band signal reception
Solution Approach 2:
The patent merges the L5 band antenna structure with the device's existing conductive frame. The conductive frame is configured with specific geometric features (such as rounded corners and defined segments) that enable it to function as an effective L5 band radiator while maintaining its role as the L1 band ground reference, thus combining multiple antenna functions into a single structure
2Measurement precision
If L5 band antenna is added to electronic device, then GPS positioning accuracy is improved, but L1 band antenna performance deteriorates due to poor signal isolation
Solution Approach 1:
The conductive frame is segmented into distinct functional regions: an L5 band radiator portion with specific geometric characteristics (rounded corners, defined path length) and an L1 band ground reference portion. This segmentation allows each portion to optimize its respective frequency band performance while maintaining proper isolation through the shared but differentiated structure
Solution Approach 2:
Different portions of the conductive frame are given different local qualities: the L5 band radiator portion has rounded corners and specific path lengths optimized for L5 frequency, while the L1 band ground reference portion maintains continuous connectivity. This local differentiation enables proper signal isolation between bands while maintaining GPS accuracy
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
This solution enhances antenna performance by allowing simultaneous generation of L5 and L1 band signals without additional antenna components, saving space and improving signal isolation, thus enhancing user experience.
Implementation Method 1
an antenna component utilizing a conductive frame with a slit and a signal generation circuit, electronically connected to a feed point, generates both L5 and L1 band signals
Data Source
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AI summary
The present disclosure relates to an electronic device and an antenna component thereof. The antenna component, includes a conductive frame and a signal generation circuit. The conductive frame includes a first conductive frame section and a second conductive frame section, and a slit therebetween. The slit is configured to implement signal radiation of the antenna component. A feed point is provided on the first conductive frame section near the slit. The first conductive frame section includes an extension portion from the feed point to an end away from the silt. A groove is formed by the extension portion and a first ground element. The signal generation circuit is electronically connected to the feed point, and configured to generate an L5 band signal when a signal source is input to the signal generation circuit, such that the groove generates an L1 band signal.