Mobile Network Interface Conversion for Stable Packet Timing
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Solution Overview
Problem
Existing 5G wireless communication systems face challenges in maintaining high reliability and low latency for industrial networks due to fluctuations in data arrival times caused by varying radio wave environments, which affect the performance of communication lines with different quality.
Innovation Solution
An interface conversion apparatus that measures communication quality, stores history information, and adjusts packet transmission times based on allowable fluctuation ranges and communication groups to stabilize data transmission in mobile wireless networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single fluctuation adjustment time is used for all data packets regardless of communication line quality, then data transmission stability is improved for poor radio wave environments, but transmission efficiency deteriorates for good communication lines with unnecessary delay
Solution Approach 1:
The patent segments data packets into different communication groups based on their quality of service requirements and radio wave environment characteristics. Each group is assigned a different fluctuation adjustment time, allowing optimized handling where high-priority packets receive longer adjustment times for stability while low-priority packets use shorter times for efficiency.
Solution Approach 2:
The patent dynamically determines fluctuation adjustment times based on current communication line quality and packet characteristics. The adjustment time is not fixed but adapts to changing radio wave environments and different communication group requirements, optimizing the balance between reliability and productivity.
2Reliability
If fluctuation adjustment time is increased to absorb radio wave environment variations, then communication reliability is improved, but transmission latency increases
Solution Approach 1:
The patent applies different fluctuation adjustment times to different communication groups based on their local quality requirements. High-priority industrial control packets receive longer adjustment times for maximum reliability, while low-priority packets use minimal adjustment times to reduce latency, achieving local optimization for each packet type.
3Reliability
If communication quality measurement and history storage are implemented, then transmission stability is improved through adaptive control, but device complexity increases
Solution Approach 1:
The interface conversion apparatus performs self-service by automatically measuring communication quality, storing history information, and determining appropriate fluctuation adjustment times without external intervention. This autonomous operation improves transmission stability while minimizing the need for complex external control systems.
Data Source
AI summary
An interface conversion apparatus includes processing circuitry. The processing circuitry measures communication quality inside the mobile communication system. The processing circuitry refers to evaluation index information specifying, for each communication group, an allowable range of variation in the measurement result of the communication quality and a fluctuation adjustment time, and determines the communication group in which a variation in the measurement result of the communication quality obtained from history information including a measurement result falls within the allowable range for each piece of identification information included in the packet. The processing circuitry selects the communication group of the packet received from the identification information of the packet received, based on a correspondence relationship between the communication group determined and the identification information of the packet. The processing circuitry controls the packet received for each communication group, using the fluctuation adjustment time in the evaluation index information corresponding to the communication group determined.