User Device Measurement Configuration Adaptation

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Solution Overview

Problem

In NR radio communication systems, user devices face challenges in performing measurements optimized according to their type, mobility capability, or combinations thereof, due to specified requirements that do not account for varying RF capabilities and mobility levels.

Innovation Solution

A user device is equipped with a receiving unit to receive measurement configurations from a base station, a control unit to execute measurements based on these configurations, and a transmitting unit to send measurement reports. The control unit modifies the measurement configuration based on parameters indicating mobility capability or user device type.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a standardized measurement configuration is applied to all user devices, then implementation simplicity is maintained, but measurement efficiency and adaptability deteriorate due to inability to account for varying mobility capabilities and device types

Engineering Contradiction:
Improvemeasurement optimizationVSAvoidmeasurement configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by making the measurement configuration adaptable and modifiable based on user device characteristics. The control unit dynamically adjusts measurement parameters such as measurement cycles, reporting thresholds, and measurement types according to the user device's mobility capability and device type, transforming a static standardized configuration into a dynamic optimized one.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent applies local quality by customizing measurement configurations for different user devices based on their specific characteristics. Instead of applying a uniform configuration globally, the system tailors measurement parameters locally to each device's mobility capability (e.g., high mobility vs. low mobility) and device type (e.g., smartphone, tablet, IoT device), ensuring optimal measurement performance for each local context.

Inventive Principle:
Principle #3Local quality

2Measurement precision

If measurement requirements are specified without considering user device type and mobility capability, then specification simplicity is maintained, but measurement precision and efficiency deteriorate

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidconfiguration complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by modifying measurement configuration parameters based on user device characteristics. The control unit adjusts specific parameters such as measurement cycles, reporting thresholds, and measurement types according to the user device's mobility capability and device type, thereby optimizing measurement precision without requiring complete reconfiguration of the measurement system.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If measurement configurations are not modified based on mobility capability, then system simplicity is maintained, but measurement timeliness and relevance worsen due to inability to adapt to different movement scenarios

Engineering Contradiction:
Improvemeasurement efficiencyVSAvoidcontrol complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent applies self-service by enabling the user device's control unit to autonomously modify measurement configurations based on its own mobility capability and device type characteristics. The control unit automatically selects appropriate measurement parameters without requiring manual intervention or complex external control, thereby improving measurement efficiency while keeping the control mechanism relatively simple.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP3879877B1User device and base station device
Publication Date: 2025.04.30 NTT DOCOMO INC
  • EP3879877B1 patent drawingFigure 1
  • EP3879877B1 patent drawingFigure 2
  • EP3879877B1 patent drawingFigure 3

AI summary

A user device includes a receiving unit that receives from a base station device a measurement configuration including a condition for triggering a measurement report; a control unit that executes a measurement based on the measurement configuration; and a transmitting unit that transmits a measurement report to the base station device in response to the condition for triggering a measurement report being met, wherein the control unit modifies the measurement configuration based on a parameter indicating mobility capability or based on a type of user device.