Method, system and device for routing switching of epdt multi-hop ad hoc network service and medium

By detecting the frame synchronization error rate and the received signal strength, the self-organizing network system optimizes the route switching when the node moves, solves the communication interruption problem, ensures the continuity and efficiency of communication, and is suitable for multi-hop self-organizing network services for professional power data transmission.

CN119653447BActive Publication Date: 2025-10-10CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +2
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Patent Information

Application Number
CN202510049849.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-10-10
Estimated Expiration
2045-01-13

AI Technical Summary

Technical Problem

In narrowband wireless ad hoc networks, node mobility causes changes in network topology. Existing technologies fail to update routing information in a timely manner, resulting in communication interruption or data loss, affecting communication continuity and efficiency.

Method used

By detecting the frame synchronization bit error rate and the received signal strength, node B sends a forwarding node switching control frame in the next transmission time slot. The surrounding nodes confirm the new forwarding node and establish a new forwarding link to optimize the network topology and routing selection.

Benefits of technology

It achieves seamless route switching when nodes move, ensures the continuity and efficiency of communication, reduces communication delays, improves network resource utilization and signal quality, and enhances the robustness of the network.

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Abstract

The application discloses an EPDT multi-hop ad hoc network service route switching method, system, device and medium, and the method comprises the following steps: a node B receives a frame sent by a node A, detects the value of frame synchronization error code rate and RSSI, and if the value exceeds a threshold, sends a forwarding node switching control frame in the next transmission time slot; the node B is converted into a receiving node and waits for receiving a request control frame of a new forwarding node; a peripheral node of the node B receives the forwarding node switching control frame, and if the frequency of the last node can be received after switching, sends a request control frame according to the address sequence in the frame; the node B receives the request control frame, judges a node B1 that is more suitable as a new forwarding node according to the received RSSI value of the node A and the error code rate of the intermediate control bit, sends a request confirmation control frame after confirming the new forwarding node, switches into the new forwarding node, and establishes a new forwarding link to perform routing. The application can perform route switching without affecting the overall conversation.
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