Antenna Arrangement with Segmented Ground for Multi-Band Tuning
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Solution Overview
Problem
Designing radio communication devices to meet size and functionality constraints while tuning performance for specific radio frequency bands is challenging, as existing technologies struggle to achieve optimal performance within these constraints.
Innovation Solution
An antenna arrangement featuring a conductive ground element with extensions forming a gap, allowing for the creation of a closed or open loop structure that supports additional resonances, thereby increasing bandwidth and efficiency, and enabling multi-band performance while respecting size constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the size of the printed wiring board is reduced to meet size constraints, then the device becomes more compact, but it becomes difficult to tune the performance of the radio communication device
Solution Approach 1:
The ground element is segmented into multiple conductive parts (first conductive part, second conductive part, third conductive part) separated by gaps, creating a structured configuration that enables performance tuning through controlled electromagnetic interactions between segments while maintaining compact overall size
Solution Approach 2:
The invention utilizes adjustable parameters including gap dimensions, conductive part geometries, and relative positions to tune the resonant frequencies and impedance characteristics of the antenna system, enabling performance optimization for specific radio frequency bands within the constrained PWB size
2Adaptability or versatility
If the radio frequency band is constrained to specific bands, then the device meets functionality requirements, but the bandwidth and efficiency are limited
Solution Approach 1:
The antenna arrangement is designed to operate across multiple radio frequency bands by utilizing the structured ground element configuration where the conductive parts and gaps create multiple resonant modes, enabling the same physical structure to serve multiple frequency band requirements simultaneously
Solution Approach 2:
The invention exploits electromagnetic resonance phenomena where the conductive parts and gaps form resonant structures that can be tuned to specific frequency bands, creating efficient energy transfer at resonant frequencies while minimizing losses through proper resonance matching
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 proposed antenna arrangement achieves desired multi-band performance and improved efficiency by creating additional resonances through the configuration of conductive parts and gaps, effectively tuning performance to meet specific frequency requirements while adhering to size constraints.
Implementation Method 1
It may support an additional resonance that overlaps an existing resonance associated with the conductive ground element to provide an increased bandwidth and/or better efficiency
Implementation Method 2
It may support a closed loop electric current where a displacement current bridges the gap
Data Source
AI summary
An antenna arrangement including: a conductive ground element having a first end and a second end; an antenna element at a first end; a first conductive part extending from the conductive ground element and a second conductive part extending from conductive ground element and separated from the first conductive part by a gap.