Coaxial Antenna Assembly for Compact High-Gain Omnidirectional Coverage
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing omnidirectional antennas face challenges in achieving high gain, omnidirectionality, and miniaturization due to space constraints, leading to poor performance in wireless communication, especially in extreme scenarios.
Innovation Solution
An antenna assembly with a substrate having first and second radiators, each with current adjustment structures, allowing for a coaxial radiation element string with synchronized current flow direction, enhancing radiation intensity and gain while maintaining a compact size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the antenna size is reduced to fit tight internal space, then the space requirement is satisfied, but the antenna performance degrades
Solution Approach 1:
The patent transitions from a planar radiator layout to a three-dimensional coaxial structure with radiators arranged along the Z-axis. The first radiator is disposed at the first surface and the second radiator is disposed at the second surface of the substrate, creating a vertical stacking configuration that achieves omnidirectional radiation in a compact volume.
Solution Approach 2:
The antenna is divided into multiple independent radiation elements (first radiation elements and second radiation elements) that are spaced apart and connected by connectors. Each radiation element can be independently optimized, and their combined effect achieves high gain omnidirectional radiation while maintaining a compact form factor.
2Adaptability or versatility
If traditional omnidirectional antenna structures are used, then omnidirectional coverage is achieved, but the antenna size becomes large
Solution Approach 1:
The patent achieves omnidirectional coverage by arranging radiation elements in three dimensions along the coaxial Z-axis direction rather than spreading them out in a plane. The first and second radiators are positioned at opposite surfaces of the substrate, creating a vertical array that provides 360-degree horizontal coverage while minimizing the horizontal footprint.
Solution Approach 2:
The antenna structure nests multiple radiation elements within a compact substrate volume. The first and second radiators are integrated into the substrate thickness direction, with connectors routing signals between elements. This nested configuration achieves omnidirectional performance without requiring large lateral dimensions.
3Power
If high gain is pursued through traditional antenna designs, then radiation intensity increases, but the antenna complexity and size increase
Solution Approach 1:
The high gain radiation is achieved by segmenting the antenna into multiple independent radiation elements (first and second radiation elements) that are connected in a specific configuration. Each element contributes to the overall radiation pattern, and their combined effect produces high gain omnidirectional coverage without requiring a single complex large-scale structure.
Solution Approach 2:
The patent combines multiple radiation elements into a unified coaxial array structure that works together to produce high gain radiation. The first and second radiators are merged into a single integrated antenna assembly with shared substrate and connector infrastructure, achieving high performance while managing complexity through systematic integration.
Data Source
AI summary
An antenna assembly comprising an antenna. The antenna includes: a substrate including a first surface and a second surface arranged opposite to each other; a first radiator disposed at the first surface and including two first radiation elements spaced apart from each other and connected to each other by a connector; and a second radiator disposed at the second surface and including a second radiation element disposed at an area of the second surface corresponding to an area of the first surface between the two first radiation elements. Each of the two first radiation elements and the second radiation element includes a current adjustment structure configured to adjust a current flow direction in the radiation element to which the current adjustment structure belongs.