Mesh Network Exit Control via State-Based Device Numbering
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Solution Overview
Problem
Communication devices in a mesh network face difficulties when exiting the network, particularly due to the order in which they depart, leading to inefficiencies in the exit process.
Innovation Solution
A control device that determines a numerical value for each communication device based on its communication state and performs exit processing in a specific order, starting from the device with the highest absolute difference in value compared to the device currently communicating with the controller, ensuring a systematic and efficient exit from the mesh network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If communication devices exit the mesh network in arbitrary order, then the exit process is simple to implement, but some devices may have difficulty leaving depending on the exit order
Solution Approach 1:
The control device performs preliminary actions by determining numbers for all communication devices based on their communication states before initiating the exit process. This pre-calculation of device rankings allows the subsequent exit processing to proceed systematically without complex real-time decisions, resolving the contradiction between ease of operation and processing complexity.
Solution Approach 2:
The invention changes the parameter of exit order from arbitrary to systematic, using the determined numbers as sorting criteria. By transforming the exit process into a numbered sequence based on communication state parameters, the system achieves both ease of operation and manageable complexity through standardized processing rules.
2Reliability
If the control device determines numbers for all communication devices based on communication state, then the exit order is optimized, but the processing time increases
Solution Approach 1:
The control device performs the number determination as a preliminary action before the actual exit processing begins. By pre-calculating and storing the numbers for all devices based on their communication states, the system optimizes exit reliability through systematic ordering while minimizing processing time during the actual exit operation, as the ranking information is already available.
3Productivity
If communication devices are assigned numbers based on communication state, then systematic exit order is achieved, but the device complexity increases
Solution Approach 1:
The invention introduces a number parameter that simplifies the control of complex exit scenarios. By transforming the communication state evaluation into a discrete numbering system, the control device achieves systematic exit ordering and improved productivity while managing complexity through a straightforward numbering and sorting mechanism rather than complex real-time decision logic.
Data Source
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AI summary
A control device (30) includes: a controller that, for each of a plurality of communication devices, determines a number for the communication devices according to a communication state of the communication device; and a communicator that communicates with the plurality of communication devices. The plurality of communication devices join a mesh network. When causing one or more communication devices among the plurality of communication devices to exit the mesh network, the controller performs exit processing for causing the one or more communication devices to exit the mesh network in order from a communication device for which an absolute value of a difference between (i) the number determined for one communication device, among the plurality of communication devices, currently communicating with the communicator and (ii) the number determined for each of the one or more communication devices is highest.