Multi-beam Antenna Array System with Integrated Feed Circuit
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Solution Overview
Problem
Existing directional antennas are complex and expensive, limiting their application to specific fields due to size constraints and requiring improved radiating structures and power supply configurations to radiate radio waves in expanded directions.
Innovation Solution
A multi-beam antenna array system with a dielectric substrate and parasitic elements, featuring a feed circuit with symmetrical feed lines and parasitic elements to radiate electromagnetic waves in multiple directions by optimizing the arrangement and power supply to the antennas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If directional antennas are configured by multiple complicated modules to concentrate radiated electric power, then the directional performance is improved, but the device complexity and cost increase
Solution Approach 1:
The patent combines multiple antenna elements (first and second radiating elements with their respective parasitic elements) into a single integrated multi-beam antenna structure that can radiate in multiple directions simultaneously, eliminating the need for separate directional antenna modules while achieving comparable or superior directional performance
Solution Approach 2:
The multi-beam antenna is designed to radiate electromagnetic waves in multiple directions (first direction and second direction) simultaneously through a single antenna structure, making it universally applicable for both single-beam and multi-beam communication scenarios without requiring separate directional antenna configurations
2Area of stationary object
If the radiating structure is improved to radiate radio waves in expanded directions, then the coverage area is increased, but the antenna structure becomes more complex
Solution Approach 1:
The antenna is segmented into distinct functional components (first radiating element, second radiating element, first parasitic element, second parasitic element) that can be independently designed and optimized, allowing the overall structure to achieve expanded coverage while maintaining manageable complexity through modular design
Solution Approach 2:
The patent extends the radiation capability from a single direction to multiple directions by adding radiating elements oriented in different directions (first direction and second direction), effectively utilizing dimensional expansion in the radiation pattern without proportionally increasing structural complexity
3Ease of operation
If multiple multi-beam antennas are arranged and powered selectively to radiate electromagnetic waves in different directions, then the beam direction control is improved, but the power supply system complexity increases
Solution Approach 1:
The feed circuit is designed to dynamically select and activate specific antenna elements based on the desired beam direction, allowing the system to adaptively control radiation patterns in different directions (first direction, second direction, or both) by selectively applying power to different antenna elements through the feed circuit
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
Enables efficient radiation of broadband electromagnetic waves in various directions, improving performance and expanding application fields by optimizing the number and arrangement of multi-beam antennas and selectively applying electric power through a feed circuit.
Implementation Method 1
a radiating part formed on the dielectric substrate so as to radiate electromagnetic waves
Implementation Method 2
capable of radiating broadband electromagnetic waves by improving a structure of a radiator
Data Source
AI summary
A multi-beam antenna array system according to an exemplary embodiment of the present disclosure includes: a grounding surface; a plurality of multi-beam antennas which each includes a dielectric substrate and a radiating part formed on the dielectric substrate so as to radiate electromagnetic waves, and is disposed above the grounding surface so as to be spaced apart from each other; and a feed circuit which is formed on a lower portion of the grounding surface, and supplies electric power to the plurality of multi-beam antennas so that the electromagnetic waves are radiated in different directions from the plurality of multi-beam antennas.