Dielectric Antenna Module Layout for Isolation and Path Loss

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Solution Overview

Problem

In next-generation mobile communication systems, antenna modules face performance deterioration due to path loss of radio waves, necessitating an improved structure for efficient communication, especially in massive MIMO environments.

Innovation Solution

The proposed antenna module structure includes a radiator with a dielectric material and a support unit made of metallic material, along with a feeding unit that supplies electric signals through a printed circuit board, optimizing the frequency characteristics and isolation performance by precise spacing and configuration of components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If antenna modules use conventional structures in next-generation mobile communication systems, then manufacturing is simpler, but communication efficiency deteriorates due to path loss of radio waves

Engineering Contradiction:
Improvecommunication efficiencyVSAvoidantenna module structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The antenna module is divided into multiple functional segments: a radiator for radio wave transmission, a dielectric material layer for insulation and field control, and a metallic support unit for structural stability. This segmentation allows each component to be optimized independently for its specific function, improving overall communication efficiency while maintaining manageable complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The antenna module employs a composite structure combining different materials with complementary properties: conductive metallic materials for the radiator and support unit, and dielectric materials for insulation. This composite approach enables simultaneous optimization of electrical performance and mechanical stability, addressing path loss issues without excessive structural complexity.

Inventive Principle:
Principle #40Composite materials

2Reliability

If antenna modules use complex structures to improve communication efficiency, then communication efficiency improves, but manufacturing becomes more difficult

Engineering Contradiction:
Improvecommunication efficiencyVSAvoidmanufacturing process
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent utilizes a layered two-dimensional structure where the dielectric material and metallic support unit are arranged in distinct planes. This dimensional organization simplifies manufacturing processes by enabling sequential assembly and standard fabrication techniques, while still achieving the complex electromagnetic field distribution needed for high communication efficiency.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Volume of moving object

If the radiator is placed close to the support unit, then the device size is reduced, but isolation performance deteriorates

Engineering Contradiction:
Improveantenna module sizeVSAvoidisolation performance
Core Design Contradiction:
Volume of moving objectVSReliability

Solution Approach 1:

A dielectric material layer is introduced as an intermediary between the metallic radiator and the metallic support unit. This intermediate layer provides electrical insulation and field control, maintaining adequate isolation performance while allowing the components to be positioned close together, thus reducing the overall antenna module size.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Loss of energy

If conventional antenna structures are used, then manufacturing cost is lower, but path loss of radio waves increases

Engineering Contradiction:
Improvepath lossVSAvoidantenna module structure
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The patent optimizes key parameters including the thickness and material properties of the dielectric layer, the geometry of the metallic support unit, and the spacing between components. By carefully adjusting these parameters, the antenna achieves reduced path loss through improved field distribution and reduced parasitic effects, without requiring excessively complex structural changes.

Inventive Principle:
Principle #35Parameter changes

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 antenna performance in super-high-frequency ranges, reduces defect rates, and simplifies manufacturing processes, leading to improved communication efficiency and cost-effectiveness.

Implementation Method 1

a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator

Methodology Applied
Scientific EffectDielectric insulation: Dielectric

Implementation Method 2

a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentUS20240387999A1Antenna module including dielectric material and electronic device including antenna module
Publication Date: 2024.11.21 SAMSUNG ELECTRONICS CO LTD
  • US20240387999A1 patent drawing
  • US20240387999A1 patent drawing
  • US20240387999A1 patent drawing

AI summary

An antenna module of a wireless communication system is provided. The antenna module includes a radiator comprising a top face to which a radio wave is radiated, a dielectric material disposed on a bottom face of the radiator, the bottom face of the radiator being opposite to the top face of the radiator, a feeding unit disposed on a bottom face of the dielectric material, the feeding unit being configured to supply an electric signal to the radiator through the dielectric material, and a support unit disposed on the bottom face of the dielectric material, the support unit comprising a metallic material.