MDT Configuration Conflict Prevention in Wireless Networks

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Solution Overview

Problem

Existing communication systems face challenges in avoiding conflicts between different minimization of drive tests (MDT) configurations, which can lead to overriding of specific MDT configurations, affecting measurement collection and analysis efficiency.

Innovation Solution

A method where terminal devices store and transmit information about their MDT configurations to network devices, ensuring that the network devices can accurately identify and respect existing configurations, preventing overriding by sending explicit indications of MDT types and expiration status through RRC signaling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the network device configures MDT configurations for the terminal device without checking existing configurations, then the network can efficiently deploy MDT, but different types of MDT configurations may override each other causing conflicts

Engineering Contradiction:

ImproveMDT deployment efficiencyVSAvoidMDT configuration consistency

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The terminal device performs preliminary action by storing and reporting information about existing MDT configurations (including expiration status) to the network device before new configurations are applied. This allows the network device to check for conflicts before deploying new MDT configurations, preventing overriding issues while maintaining efficient deployment.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If the terminal device stores and reports MDT configuration information to the network device, then configuration conflicts can be prevented, but additional signaling and processing are required

Engineering Contradiction:

ImproveMDT configuration consistencyVSAvoidConfiguration management complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The terminal device provides feedback to the network device by storing MDT configuration information locally and reporting it through RRC signaling. The network device uses this feedback information (including expiration status) to determine whether to apply new MDT configurations, ensuring consistency while managing complexity through structured information exchange.

Inventive Principle:

Principle #23Feedback

3Speed

If the network device applies new MDT configurations without checking expiration status of existing configurations, then configuration updates are fast, but valid MDT configurations may be incorrectly overridden

Engineering Contradiction:

ImproveConfiguration update speedVSAvoidConfiguration accuracy

Core Design Contradiction:

SpeedVSManufacturing precision

Solution Approach 1:

The terminal device performs preliminary action by storing and reporting MDT configuration information including expiration status before new configurations are applied. The network device checks this information before applying updates, ensuring that only appropriate configurations are applied while maintaining fast update processes through efficient information exchange.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS20230328574A1Method for information processing, terminal device, and network device

Publication Date: 2023.10.12 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

AI summary

Methods for information processing, a terminal device, and a network device are provided. The method for information processing includes that a terminal device sends information on a minimization of drive tests (MDT) configuration to a network device. The network device receives the information on the MDT configuration sent by the terminal device.