Phase-Based Antenna Configuration for Virtual Radar Arrays

Solution Overview

Problem

Increasing the number of antennas in a radar system to enhance detection accuracy leads to increased installation costs and poor radar efficiency due to interference and poor performance of individual antennas.

Innovation Solution

A method for configuring an antenna using the phase of existing antennas to generate virtual antennas, remove low-performance antennas, and install extrapolated antennas based on phase differences, thereby optimizing radar performance with fewer physical antennas.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the number of antennas is increased to enhance detection accuracy, then detection accuracy is improved, but installation cost increases and radar efficiency deteriorates

Engineering Contradiction:

Improvedetection accuracyVSAvoidinstallation cost

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent creates virtual antennas by copying the signal characteristics of physical antennas through phase processing. Instead of installing additional physical antennas, the system generates virtual antenna signals by processing the phase information from existing physical antennas, thereby achieving enhanced detection accuracy without increasing installation costs or physical complexity

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent introduces phase information as an intermediary element between physical antennas and detection functionality. By using phase differences as a mediator, the system can generate virtual antenna effects and improve detection accuracy without directly adding more physical antennas, thus avoiding the associated installation costs and efficiency losses

Inventive Principle:

Principle #24Intermediary (Mediator)

2Measurement precision

If the number of antennas is increased to enhance detection accuracy, then detection accuracy is improved, but radar efficiency deteriorates due to interference

Engineering Contradiction:

Improvedetection accuracyVSAvoidradar efficiency

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The patent creates virtual antennas by copying the signal characteristics of physical antennas through phase processing. Instead of installing additional physical antennas, the system generates virtual antenna signals by processing the phase information from existing physical antennas, thereby achieving enhanced detection accuracy without increasing installation costs or physical complexity

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical approach of adding more physical antennas with a signal processing approach using phase information. Instead of physically increasing the antenna array (mechanical system), the system uses phase-based signal manipulation to create virtual antennas, thereby improving detection accuracy while maintaining radar efficiency by avoiding physical interference

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If antennas are removed to reduce installation cost, then installation cost is reduced, but detection accuracy deteriorates

Engineering Contradiction:

Improveinstallation costVSAvoiddetection accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent creates virtual antennas by copying the signal characteristics of physical antennas through phase processing. Instead of installing additional physical antennas, the system generates virtual antenna signals by processing the phase information from existing physical antennas, thereby achieving enhanced detection accuracy without increasing installation costs or physical complexity

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent changes the parameter space by introducing phase information as an additional degree of freedom. By manipulating phase parameters of existing antennas, the system can create virtual antenna effects that would otherwise require additional physical antennas, thereby maintaining detection accuracy while reducing the need for expensive physical installations

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS20250350385A1Device and method for configuring antenna using phase of antenna

Publication Date: 2025.11.13 HL KLEMOVE CORP

AI summary

The disclosure relates to a technology for configuring an antenna using a phase of an antenna, and provides an antenna configuration device and method comprising generating a virtual antenna between antennas included in a plurality of antennas positioned within a preset first distance from a first antenna, determining a phase difference between the antennas included in the plurality of antennas, determining a reliability indicating a performance of the virtual antenna based on the phase difference, and removing at least one antenna among the plurality of antennas based on the reliability, and installing an extrapolated antenna within a preset second distance from an unremoved antenna among the plurality of antennas.