Antenna with Radiating-Condition Generating Element for Bandwidth Expansion
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Solution Overview
Problem
Conventional dual-band antennas have limited bandwidth, restricting their application range, especially in wireless communication systems requiring broader frequency coverage, such as LTE systems.
Innovation Solution
The antenna design incorporates a radiating-condition generating element connected to the grounding element, extending from the grounding element to the radiating element, creating additional current paths to achieve multiple resonating conditions and broaden the bandwidth without increasing the antenna's size or height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional dual-band antenna structure is used, then the antenna achieves two resonating conditions, but the bandwidth is still insufficient for broad bandwidth applications like LTE systems
Solution Approach 1:
The radiating element is divided into multiple segments (first radiating element, second radiating element, third radiating element) with different lengths, each contributing to different resonating conditions. This segmentation allows the antenna to achieve multiple resonant frequencies and broader bandwidth without requiring a completely different antenna structure.
Solution Approach 2:
The patent introduces a new dimension by adding a radiating-condition generating element that extends from the grounding element to the radiating element, creating an additional current path. This dimensional addition enables extra resonating conditions and expands bandwidth while maintaining the planar inverted-F antenna's compact form factor.
2Volume of moving object
If the antenna size is reduced to meet compact electronic product requirements, then the antenna can be integrated into portable devices, but the bandwidth and resonating conditions are limited
Solution Approach 1:
The radiating-condition generating element is nested within the existing antenna structure, extending from the grounding element to the radiating element. This nested configuration adds functionality (extra resonating conditions) without increasing the overall antenna volume, allowing the antenna to maintain its compact size while achieving broader bandwidth.
Solution Approach 2:
By utilizing the vertical dimension from the grounding element to the radiating element, the patent creates additional current paths without expanding the horizontal footprint. This dimensional utilization enables broader bandwidth within the same compact volume.
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 configuration effectively increases the number of resonating conditions, enhancing the antenna's bandwidth and enabling broader frequency coverage while maintaining a compact form factor.
Implementation Method 1
a resonating path of a monopole antenna is reduced from a half wavelength to a quarter wavelength
Implementation Method 2
An antenna is used for transmitting or receiving radio waves
Data Source
AI summary
An antenna with multiple resonating conditions includes a grounding element electrically connected to a ground, a radiating element, a connection element electrically connected between the grounding element and the radiating element, a feed-in element electrically connected between the connection element and the grounding element for receiving feed-in signals, and a radiating-condition generating element electrically connected to the grounding element and extending from the grounding element to the radiating element.