Wireless Node Transfer Sequencing in Process Mesh Networks
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Solution Overview
Problem
In process control systems, the sequencing of logical transfers of wireless nodes between live wireless mesh networks is challenging due to the risk of disrupting communication paths and causing downtime, especially when multiple nodes need to be transferred among multiple networks, as premature transfers can isolate other nodes or prevent them from communicating with the new network.
Innovation Solution
A method is developed to sequence the transfer of wireless nodes by evaluating each node to be transferred, using predictive analysis and simulation to model mesh networks, ensuring that nodes not isolated in the current network can communicate with the new network, and vice versa, before executing the transfer sequence to minimize downtime and disruption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wireless nodes are transferred between live mesh networks, then network optimization and load balancing are improved, but communication paths may be disrupted and downtime increases
Solution Approach 1:
The system performs predictive analysis and simulation of the mesh network topology before executing node transfers. The gateway device evaluates potential transfer scenarios in advance to identify sequences that maintain communication paths, ensuring that nodes are only transferred when it is predicted that communication continuity will be preserved.
Solution Approach 2:
The system uses simulation results and predictive analysis feedback to adjust the transfer sequence. By continuously evaluating the impact of each potential transfer on network topology and communication paths, the system optimizes the transfer sequence to minimize disruption and maintain reliability throughout the transfer process.
2Productivity
If multiple nodes are transferred simultaneously, then transfer efficiency is improved, but the risk of isolating nodes and disrupting communication increases
Solution Approach 1:
The system segments the transfer process into individual node evaluations and sequences transfers one node at a time rather than simultaneously. This segmentation allows the gateway to manage each transfer independently, reducing the complexity of coordinating multiple simultaneous transfers while maintaining overall efficiency through automated sequencing.
Solution Approach 2:
The gateway device automatically performs predictive analysis, simulation, and sequence determination for node transfers without requiring manual intervention. The system self-manages the complex transfer sequencing by evaluating network topology and determining optimal transfer orders, reducing the burden of transfer sequence management.
3Reliability
If predictive analysis and simulation are performed for each node transfer, then communication path integrity is improved, but processing time and computational resources increase
Solution Approach 1:
The system performs predictive analysis and simulation as preliminary steps before actual node transfers. By evaluating potential transfer scenarios in advance and caching the results, the system ensures communication path integrity is maintained while reducing the time impact during actual transfer execution, as the analysis has already been completed.
Data Source
AI summary
A method of sequencing a logical transfer of wireless nodes between wireless mesh networks includes iteratively evaluating each wireless node in a first set of wireless nodes to be transferred. Each evaluation includes a predictive analysis of a source wireless mesh network which tests communications between the gateway of the source wireless mesh network and each of the remaining wireless nodes, and a predictive analysis of the wireless node under evaluation in a destination wireless mesh network which tests communications between the gateway of the destination wireless mesh network and the wireless node under evaluation. The wireless node under evaluation is appended to a second set of wireless nodes to be transferred in response to the first predictive analysis of the source mesh network, and the predictive analysis of the wireless node under evaluation. The wireless nodes are structured in the second set in order of priority of transfer.