Dielectric Structure for RF Signal Transmittance in Building Components

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Solution Overview

Problem

Dielectric building materials cause significant reflection loss of high-frequency electromagnetic waves due to mismatched dielectric constants, leading to inefficient communication signal transmission.

Innovation Solution

A dielectric structure comprising a structural body and a fixing component with dielectric material layers, where the dielectric constant ranges from 1 to 10,000, is applied to building components to reduce reflection loss by ensuring the minimum equivalent diameter of the projection plane is at least one-eighth of the working wavelength, without requiring a conductive structure or external power.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If dielectric building materials are used, then building component functionality is achieved, but RF signal transmittance deteriorates due to reflection loss

Engineering Contradiction:

Improvebuilding component manufacturingVSAvoidRF signal reflection loss

Core Design Contradiction:

Ease of manufactureVSLoss of energy

Solution Approach 1:

A dielectric structure with specifically controlled dielectric constant (between 1 and 10,000) and minimum equivalent diameter (≥λ0/8) is introduced as an intermediary component between the RF signal environment and the dielectric building component. This intermediary structure mitigates the reflection loss caused by the dielectric building material while maintaining the building component's functionality, thereby resolving the contradiction between ease of manufacture and RF signal transmittance.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Loss of energy

If conductive structures or antennas are added to improve RF signal transmission, then signal transmittance is improved, but device complexity and manufacturing difficulty increase

Engineering Contradiction:

ImproveRF signal reflection lossVSAvoidstructure complexity

Core Design Contradiction:

Loss of energyVSDevice complexity

Solution Approach 1:

The invention changes the parameters of the dielectric structure, specifically controlling the dielectric constant to be between 1 and 10,000 and the minimum equivalent diameter to be no less than one-eighth of the working wavelength (λ0/8). By adjusting these parameters, the dielectric structure achieves effective RF signal transmission without requiring complex conductive structures or antennas, thus improving signal transmittance while maintaining simplicity.

Inventive Principle:

Principle #35Parameter changes

3Reliability

If inner antennas or periodic metal structures are implemented, then RF signal transmission is improved, but manufacturing cost and installation complexity increase

Engineering Contradiction:

Improvecommunication signal transmissionVSAvoidproduction and installation simplicity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The invention replaces expensive and complex inner antennas or periodic metal structures with a simpler dielectric structure that has specific dielectric constant and dimensional parameters. This dielectric structure achieves reliable RF signal transmission at lower manufacturing cost and with simpler installation, effectively resolving the contradiction between transmission reliability and ease of manufacture.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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 solution significantly increases RF signal transmittance through building components, simplifies production and installation, and eliminates the need for external power, thereby reducing costs and ensuring biological safety.

Implementation Method 1

The structural body includes at least one dielectric material layer, and a dielectric constant of the dielectric material layer is between 1 and 10,000

Methodology Applied

Scientific EffectDielectric: Dielectric

Implementation Method 2

a composite structure after the fixing component joins the dielectric structure and building components may have the RF signal of the working frequency f0 pass and reduce the reflection loss

Methodology Applied

Scientific EffectReflection loss reduction: Reflection

Data Source

PatentUS11349221B2Dielectric structure applied to building components for increasing transmittance of RF signal and disposing method thereof

Publication Date: 2022.05.31 FU HSIEN CHIUNG

AI summary

A dielectric structure applied to building components for increasing a transmittance of an RF signal is provided. The dielectric structure includes a structural body and a fixing component. The structural body includes at least one dielectric material layer, and a dielectric constant of each dielectric material layer is between 1 and 10,000. The fixing component joins the structural body and a joining component. A composite structure after the dielectric structure and building components are joined may have the RF signal of the working frequency f0 pass and reduce the reflection loss. The minimum equivalent diameter of a projection plane on a surface of the joining component of the dielectric structure on a surface through which an RF signal passes is no less than one-eighth of a working wavelength λ0 corresponding to the working frequency f0.