Adaptive Antenna Structure with Reflective Radiator

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Solution Overview

Problem

Existing antenna designs fail to adapt their radiation patterns effectively to varying environments, leading to suboptimal wireless signal transmission and reception performance across different settings.

Innovation Solution

The antenna structure incorporates a substrate with vertically oriented radiators and a reflective structure, along with horizontal metal branches, which are strategically positioned and coupled to adjust radiation patterns based on the environment, enabling adaptive performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a traditional antenna design is used, then the structure is simple, but the radiation pattern cannot adapt to varying environments

Engineering Contradiction:

Improveradiation pattern adaptabilityVSAvoidantenna structure complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The antenna is divided into multiple independent radiator units, each capable of individual control. Each radiator unit includes a vertical radiator, reflective structure, and horizontal metal branch, allowing selective activation to adapt radiation patterns to different environments while maintaining manageable structural complexity

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The antenna system implements dynamic radiation pattern switching by selectively activating different radiator units based on environmental conditions. The controller adjusts which radiators are active to optimize performance for varying transmission scenarios, enabling adaptability without requiring complete structural redesign

Inventive Principle:

Principle #15Dynamics

2Reliability

If multiple radiator units are added to enable radiation pattern switching, then transmission and reception performance improves, but device complexity increases

Engineering Contradiction:

Improvetransmission and reception performanceVSAvoidantenna structure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

Multiple radiator units are integrated into a unified antenna system with shared substrate and coordinated control. The radiators work together as a system, with their combined effect providing reliable transmission and reception across different environments while the shared infrastructure helps manage overall complexity

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

Each radiator unit is designed to serve multiple functions: vertical radiators provide primary radiation, reflective structures enhance signal directionality, and horizontal metal branches contribute to impedance matching and additional radiation patterns. This multi-functionality allows fewer components to achieve reliable performance across diverse conditions

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 enhances transmission and reception capabilities by allowing the antenna to switch radiation patterns according to its surroundings, thereby improving performance in diverse environments.

Implementation Method 1

The reflective structure is laterally disposed external to the vertical radiator

Methodology Applied

Scientific EffectReflection: Reflection

Data Source

PatentUS10770789B2Antenna structure

Publication Date: 2020.09.08 HTC CORP

AI summary

An antenna structure includes a substrate, a vertical radiator, a reflective structure and a horizontal metal branch. The vertical radiator is in the substrate. The reflective structure is laterally disposed external to the vertical radiator. The horizontal metal branch is coupled to the reflective structure.