Network Device Data Transmission Mode Selection for 5G URLLC

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Solution Overview

Problem

Current data transmission methods in 5G networks, such as Packed Duplication, face challenges in dynamically adapting to changing channel conditions and quality of service requirements, affecting system capacity and reliability, especially for ultra-reliable low-latency communication (URLLC).

Innovation Solution

A method where a network device determines the data transmission mode for a terminal device based on input parameters like channel-specific measurements, data transmission mode indications, uplink channel conditions, and quality of service requirements, allowing for flexible selection between link switching, link aggregation, and packet duplication modes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If packet duplication transmission mode is used to improve data transmission reliability, then transmission reliability is improved, but system capacity is reduced

Engineering Contradiction:
Improvedata transmission reliabilityVSAvoidsystem capacity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent implements dynamic switching between packet duplication mode and non-duplication mode based on real-time channel conditions and QoS requirements. The network device determines whether to activate packet duplication by evaluating channel quality indicators and service requirements, allowing the system to adapt transmission reliability and resource consumption dynamically rather than using a fixed duplication approach.

Inventive Principle:
Principle #15Dynamics

2Reliability

If packet duplication is activated to ensure reliable transmission, then transmission reliability is improved, but resource utilization efficiency deteriorates

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidresource utilization efficiency
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The patent changes the parameter of duplication activation from a static configuration to a dynamic state based on channel conditions and QoS parameters. The network device monitors channel quality indicators and service requirements, then adjusts the duplication activation state accordingly, optimizing the balance between transmission reliability and resource consumption by activating duplication only when necessary.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If dynamic adaptation to channel conditions is implemented, then transmission reliability is improved, but system complexity increases

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a feedback mechanism where the network device monitors channel conditions and QoS requirements, then determines the appropriate duplication activation state. The system uses feedback from channel quality indicators and service requirements to dynamically adjust transmission mode, achieving adaptive reliability improvement without requiring overly complex decision-making architectures.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3923619B1Data transmission mode determining method, network device, and computer storage medium
Publication Date: 2023.07.05 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD
  • EP3923619B1 patent drawingFigure 1~2-3
  • EP3923619B1 patent drawingFigure 3~4

AI summary

The present invention discloses a data transmission mode determining method, a network device, and a computer storage medium. The method includes: obtaining at least one input parameter, where the at least one input parameter includes transmission related information reported by a terminal device, and/or related information of a network side; determining a data transmission mode for the terminal device based on the at least one input parameter; and sending the data transmission mode to the terminal device.