Multipurpose mmWave RF Scanner for Antenna and Radome Testing
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Solution Overview
Problem
Existing mmWave RF scanners require multiple dedicated setups for different operating modes, which is costly and increases the risk of equipment damage, due to the need for frequent reconfiguration and alignment of expensive RF equipment for antenna, radome, and material tests across various frequency bands.
Innovation Solution
A multipurpose mmWave RF scanner system with a modular design that shares a single set of RF instrumentation and probe antennas, utilizing a nine-axis fully automated RF scanner capable of operating in near-field and far-field modes, active array calibration, material characterization, and radome testing, allowing for cost-effective and efficient testing across the 75-110 GHz frequency range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple dedicated setups are used for different operating modes, then measurement accuracy and reliability are improved, but system cost and device complexity increase
Solution Approach 1:
The patent implements a single multipurpose RF scanner system that can perform multiple measurement functions (antenna testing, radome testing, material characterization) using the same hardware platform. The system achieves this through software-controlled reconfiguration of a modular architecture, allowing one device to replace multiple dedicated setups while maintaining measurement reliability through consistent hardware performance across all modes.
Solution Approach 2:
The system employs dynamic reconfiguration capabilities where the RF scanner can switch between different operating modes and measurement configurations during operation. This includes adjustable frequency ranges (75-110 GHz), reconfigurable probe positions, and adaptable measurement parameters, allowing the same hardware to optimize performance for different testing scenarios without requiring separate dedicated setups.
2Measurement precision
If multiple dedicated setups are used for different operating modes, then measurement precision is improved, but cost increases
Solution Approach 1:
The multipurpose RF scanner consolidates multiple expensive dedicated measurement systems into a single platform, reducing the total quantity of equipment needed. The system maintains measurement precision by using high-quality universal components that perform consistently across all measurement modes, eliminating the need to purchase and maintain separate specialized equipment for each testing type.
Solution Approach 2:
The patent merges multiple measurement functions (antenna pattern measurement, radome characterization, material testing) into a single integrated system. By combining these functions that were previously requiring separate dedicated setups, the system reduces equipment quantity and associated costs while maintaining precision through unified high-performance hardware and coordinated software control.
3Adaptability or versatility
If frequent reconfiguration is performed, then adaptability is improved, but equipment damage risk increases
Solution Approach 1:
The system implements smooth dynamic transitions between operating modes through software-controlled reconfiguration rather than physical reassembly. This allows the RF scanner to adapt between different measurement modes (antenna, radome, material testing) and frequency ranges by adjusting electronic parameters and probe positions, reducing mechanical manipulation and associated damage risks while maintaining full adaptability.
Solution Approach 2:
The patent replaces mechanical reconfiguration methods with electronic and software-based control mechanisms. Instead of physically moving or reassembling components for different modes, the system uses electronic parameter adjustment, software mode switching, and automated probe positioning, thereby reducing mechanical wear and damage risk while preserving operational versatility.
4Measurement precision
If precise alignment is required, then measurement accuracy is improved, but operational complexity increases
Solution Approach 1:
The system incorporates automated alignment and positioning capabilities that perform precise alignment tasks without requiring manual intervention. The RF scanner includes self-calibration routines and automated probe positioning systems that maintain measurement accuracy through software-controlled adjustments, eliminating the need for operators to perform complex manual alignment procedures while preserving measurement precision.
Solution Approach 2:
The patent replaces manual mechanical alignment procedures with automated electronic positioning and software-controlled alignment algorithms. The system uses electronic feedback mechanisms and automated probe adjustment to achieve precise alignment automatically, reducing operational complexity by eliminating manual alignment steps while maintaining or improving alignment accuracy through consistent electronic control.
Data Source
AI summary
An apparatus for a mmWave RF scanner system is described that enables multiple modes of operation. The disclosed RF scanner may be configured to perform a variety of independent tasks, including antenna measurement in far-field or near-field mode, active array characterization, radome measurements, and material characterization. To achieve all proposed measurements, a nine-axis RF scanner system is disclosed. For all modes, the system may use a two-port vector network analyzer (100 kHz to 9 GHz) connected to a plurality of frequency extenders that increases the operating range from 75 GHz to 110 GHz. The system may also include a graphical user interface for autonomous operation in each mode.