Dual-Lens Beamforming Antenna Module for Compact High-Gain Coverage

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Solution Overview

Problem

Existing beamforming antenna systems face challenges in maximizing lens performance due to limited separation distance between the antenna and the lens, which affects gain and coverage.

Innovation Solution

The proposed beamforming antenna module incorporates two lenses with distinct phase distributions, allowing for overlapping deployment to maximize lens performance even with reduced separation distance, enhancing gain and coverage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a sufficient separation distance is secured between lens and antenna, then lens performance is maximized, but device size increases

Engineering Contradiction:
Improvelens performanceVSAvoiddevice size
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The patent combines multiple lenses (first lens and second lens) into a single integrated antenna module structure. The lenses are positioned at different distances from the antenna, with the first lens closer and the second lens farther away, allowing them to work together as a unified system. This merging approach enables the system to achieve optimal lens performance without requiring each individual lens to be at its ideal separation distance, thus resolving the contradiction between performance maximization and device size reduction.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent introduces a multi-dimensional lens arrangement where lenses are positioned at different axial distances from the antenna element. The first lens is positioned at a first distance and the second lens at a second distance greater than the first distance, creating a layered structure along the propagation direction. This dimensional arrangement allows the system to achieve both close coupling (small overall size) and optimal performance by distributing lens functions across different spatial positions.

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

2Volume of moving object

If separation distance between lens and antenna is reduced, then device size decreases, but lens performance deteriorates

Engineering Contradiction:
Improvedevice sizeVSAvoidlens performance
Core Design Contradiction:
Volume of moving objectVSReliability

Solution Approach 1:

The patent merges multiple lenses with different phase distributions into a single antenna module. The first lens with a first phase distribution and the second lens with a second phase distribution work synergistically to compensate for the reduced separation distance. This combination allows the system to maintain high lens performance while achieving a compact overall size, directly resolving the contradiction between size reduction and performance maintenance.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent changes the phase distribution parameters of the lenses to optimize performance at reduced separation distances. By designing lenses with specific phase distributions tailored to their respective positions from the antenna, the system achieves optimal beamforming performance even when the overall module size is reduced. This parameter optimization allows performance maintenance despite compact dimensions.

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

The structure improves beamforming antenna performance by increasing gain and coverage despite insufficient separation distance, achieving sharper beam directivity and broader electric field distribution.

Implementation Method 1

a lens spaced apart for a predetermined distance from a beam radiation surface of the beamforming antenna and configured to change a phase of the beam radiated from the beamforming antenna

Methodology Applied
Scientific EffectPhase change through dielectric lens: Dielectric

Data Source

PatentEP4270653B1Beamforming antenna module comprising lens
Publication Date: 2025.12.31 SAMSUNG ELECTRONICS CO LTD
  • EP4270653B1 patent drawingFigure 1
  • EP4270653B1 patent drawingFigure 2
  • EP4270653B1 patent drawingFigure 3A

AI summary

The present invention relates to a communication technique, which is a convergence of IoT technology and 5G communication system for supporting higher data transmission rate than 4G system, and a system for same. The present invention can be applied to smart services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security- and safety-related services and the like) on the basis of 5G communication technology and IoT-related technology. The present invention provides a beamforming antenna module comprising: a beamforming antenna for radiating a beam in a particular direction, a first lens positioned a preset first distance away from a beam radiation surface of the beamforming antenna and for varying the phase of a beam radiated by means of the beamforming antenna; and a second lens positioned a preset second distance away from a beam radiation surface of the first lens and for varying the phase of the beam radiated by means of the beamforming antenna.