RF Sensing Network Configuration for Sensitivity Tuning

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Solution Overview

Problem

Existing radiofrequency sensing networks struggle to improve sensitivity and accuracy without increasing network density or redistributing light modules, which are often densely distributed in spaces like offices and bedrooms.

Innovation Solution

A configuration module that adjusts network device operating variables based on a predetermined relation between the device's operating variables and network sensitivity, using network information to determine and implement modifications that enhance sensitivity by modifying radiofrequency signals, considering space and environmental conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If network density is increased to improve sensitivity and accuracy, then sensing performance improves, but system complexity and cost increase

Engineering Contradiction:
Improvesensitivity and accuracyVSAvoidnetwork density
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by adjusting operating variables of existing network devices (transmission power, signal processing parameters, modulation schemes) to enhance sensitivity and accuracy without adding more devices. The configuration module modifies these parameters based on network conditions and device capabilities, achieving improved measurement precision while maintaining the same network density.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If additional light modules are added to improve sensing accuracy, then network sensitivity increases, but installation complexity and cost increase

Engineering Contradiction:
Improvesensing accuracyVSAvoidinstallation complexity
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The system implements self-service by automatically configuring and optimizing the performance of existing light modules through the configuration module. The system self-adjusts operating variables based on network information and performance requirements, eliminating the need for manual installation of additional modules while achieving improved sensing accuracy.

Inventive Principle:
Principle #25Self-service

3Reliability

If light modules are redistributed to improve sensing coverage, then network performance improves, but deployment complexity increases

Engineering Contradiction:
Improvesensing coverageVSAvoiddeployment complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by enabling real-time adjustment of operating variables in response to changing network conditions and environmental factors. The configuration module dynamically optimizes parameters such as transmission power and signal processing settings, allowing the system to adapt to different spatial configurations without requiring physical redistribution of light modules.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4158912B1Configuration module for configuring a network device of a radiofrequency sensing network
Publication Date: 2026.03.11 SIGNIFY HOLDING BV
  • EP4158912B1 patent drawingFigure 1~2
  • EP4158912B1 patent drawingFigure 3~5
  • EP4158912B1 patent drawingFigure 6~8

AI summary

A configuration module for configuring a network device of a radiofrequency sensing network is provided. The control module comprises a network information providing unit for providing network information, wherein the network information includes information indicative of a deviation between a current sensitivity of the sensing network and a desired sensitivity of the sensing network. The control module further comprises an operating variable determining unit for determining an operating variable of the network device based on a predetermined relation between the operating variable of the network device and the sensitivity of the sensing network and on the information indicative of the deviation between the current sensitivity of the sensing network and the desired sensitivity of the sensing network such that the deviation decreases when the network device is configured based on the determined operating variable, and a configuration unit for configuring the network device based on the determined operating variable.