Unmanned aerial vehicle ad hoc network TDMA access method for emergency communication network

By adopting the TDMA protocol based on central node scheduling in the emergency communication network, the spectrum resource utilization and network stability problems of the UAV ad hoc network in complex environments are solved, and rapid network building, efficient data transmission and stable network performance are achieved.

CN119729703APending Publication Date: 2025-03-28HEBEI UNIV OF SCI & TECH
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Patent Information

Application Number
CN202411857928.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In emergency communication networks, spectrum resources are scarce after disasters, channel interference and network congestion are serious. How to complete the drone ad hoc network in complex environments and rationally utilize spectrum resources to ensure efficient transmission and network stability is an important challenge.

Method used

The TDMA protocol based on central node scheduling is adopted to manage communication between drone nodes through reasonable time slot allocation and reservation mechanisms, avoid conflicts caused by simultaneous communication of multiple users, and provide stable transmission performance, efficient time slot utilization and flexible resource configuration.

Benefits of technology

It realizes rapid network building of drone ad hoc network, with low processing delay and throughput up to 2.5Mbps, improving network efficiency and stability, and being able to flexibly deal with late network entry nodes and efficient service data transmission.

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Abstract

The invention relates to an unmanned aerial vehicle ad hoc network TDMA access method for an emergency communication network, and the method comprises the steps: constructing an unmanned aerial vehicle ad hoc network system: the system comprises a PL end, a PS end and an unmanned aerial vehicle node network model, the unmanned aerial vehicle node network model comprises four unmanned aerial vehicle nodes, and the positions of the unmanned aerial vehicle nodes are the same; based on a preset TDMA networking protocol, cooperative networking of all unmanned aerial vehicles in the air in the system is realized so as to be applied to an emergency communication network. Wherein the preset TDMA networking protocol comprises a workflow state machine and a time slot allocation mechanism; the operation process of the workflow state machine comprises an initialization stage, an interception stage, a networking scanning stage, a late networking stage and a data transmission stage, and the time slot distribution mechanism comprises the step of configuring time slot parameters in the networking scanning stage, the late networking stage and the data transmission stage respectively. The method has the advantages of fast networking, low processing delay and high throughput.
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