Unmanned aerial vehicle ad hoc network directional access protocol optimization design method

An access protocol and optimized design technology, applied in access restriction, wireless communication, network topology, etc., can solve problems such as small reconnaissance range and ammunition load, and insufficient combat capability of a single drone

Pending Publication Date: 2021-06-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Application Information

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Problems solved by technology

[0002] Secondly, in the military field, limited by the size, load and energy of UAVs, the combat capability of a single UAV ...

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  • Unmanned aerial vehicle ad hoc network directional access protocol optimization design method
  • Unmanned aerial vehicle ad hoc network directional access protocol optimization design method
  • Unmanned aerial vehicle ad hoc network directional access protocol optimization design method

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Embodiment Construction

[0116] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0117] A kind of unmanned aerial vehicle ad hoc network directional access protocol optimization design method that the present invention proposes has been realized in matlab, and simulation result has verified the validity of this method, provides concrete implementation steps of the present invention below:

[0118] Step 1: Given the access protocol structure of the UAV Ad Hoc Network, determine the number of nodes in the UAV Ad Hoc Network, the speed of the UAV movement, and the beam width of the UAV antenna. The calculation flow chart of the method of the present invention is generally as follows figure 1 shown;

[0119] Step 2: Calculate the neighbor discovery speed of each UAV in the network according to the UAV antenna beamwidth;

[0120] Step 3: Calculate the UAV link disconnection speed according to UAV antenna beam width and UAV mov...

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Abstract

The invention discloses an unmanned aerial vehicle ad hoc network directional access protocol optimization design method, and the method comprises the steps: carrying out the modeling of a neighbor discovery process and link maintenance time in an unmanned aerial vehicle ad hoc network, and obtaining the results of the neighbor discovery speed and link duration under different beam widths; establishing the protocol time overhead minimization model, introducing the idea of network link balance innovatively into the optimization model, analyzing the network time overhead by taking the total network link number as an evaluation index, and obtaining the optimal network structure. According to the method, the structure optimization problem of the MAC protocol under the condition that the unmanned aerial vehicle ad hoc network is equipped with the directional antenna is solved, the protocol performance can be improved, and certain reference and guidance are provided for the protocol design and network construction of the actual unmanned aerial vehicle ad hoc network.

Description

technical field [0001] The invention relates to the field of directional access of UAV ad hoc network, in particular to an optimization design method of directional access protocol of UAV ad hoc network. Background technique [0002] Secondly, in the military field, limited by the size, load and energy of UAVs, the combat capability of a single UAV is usually insufficient, and its reconnaissance range and ammunition load are usually smaller than those of manned combat aircraft. The UAV swarm is a new type of combat method to improve the combat effectiveness and invulnerability of UAVs. Considering the requirements for network invulnerability, drone clusters usually adopt a distributed method, that is, use the network form of drone self-organizing network to solve the scheduled tasks. This network does not rely on ground infrastructure, and the network in the network Each UAV node is in the same position and has strong invulnerability. Each UAV in the cluster cooperates wit...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W24/06H04W40/24H04W48/04H04W84/18
CPCH04W24/02H04W24/06H04W40/246H04W48/04H04W84/18
Inventor 雷磊范兼睿蔡圣所张莉涓王睿黄加红赵楠
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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