CN-122028084-A - Multi-dimensional mobile target ad hoc network method, system and storage medium based on double links

CN122028084ACN 122028084 ACN122028084 ACN 122028084ACN-122028084-A

Abstract

The application discloses a multi-dimensional moving target ad hoc network method, a system and a storage medium based on double links, which relate to the field of communication transmission and comprise the steps of taking a moving target as a deployment node in a search and rescue area to construct an ad hoc network of the moving target; the method comprises the steps of carrying out communication double-path construction on deployment nodes based on an ad hoc network to obtain double communication links of a search and rescue area, carrying out time sequence state trend deduction on multi-dimensional state information of the deployment nodes to obtain a movement prediction vector of the search and rescue area, carrying out path evolution on a sending node and a receiving node based on the movement prediction vector to obtain an optimal communication path of the search and rescue area, carrying out dynamic adjustment on the active state of the double communication links based on the optimal communication path to obtain a target communication link of the search and rescue area, carrying out search and rescue task data forwarding on the deployment nodes through the target communication link based on the optimal communication path to complete search and rescue tasks of the search and rescue area, and improving search and rescue efficiency based on the double-link multi-dimensional movement target ad hoc network.

Inventors

Mao Junhe
LI FENG
HU JIAQING
LI BINGFENG
QIAN JIAQI
ZHANG YU

Assignees

中国人民解放军海军军医大学

Dates

Publication Date: 20260512
Application Date: 20251216

Claims (10)

1. The multi-dimensional mobile target ad hoc network method based on the double links is characterized by comprising the following steps: s1, constructing an ad hoc network of a moving target by taking the moving target as a deployment node in a search and rescue area; s2, carrying out communication double-path construction on the deployment node based on the ad hoc network to obtain a double communication link of the search and rescue area; s3, carrying out time sequence state trend deduction on the multidimensional state information of the deployment node to obtain a movement prediction vector of the search and rescue area; s4, carrying out path evolution on the sending node and the receiving node based on the movement prediction vector to obtain an optimal communication path of the search and rescue area; S5, dynamically adjusting the active state of the double communication links based on the optimal communication path to obtain a target communication link of the search and rescue area; And S6, based on the optimal communication path, forwarding search and rescue task data to the deployment node through the target communication link, and completing the search and rescue task of the search and rescue area.
2. The multi-dimensional mobile object ad hoc network method based on dual links according to claim 1, wherein said constructing an ad hoc network of mobile objects with mobile objects as deployment nodes in a search and rescue area comprises: Taking a moving target in the search and rescue area as a deployment node; Performing neighbor detection signaling sensing on the deployment node through a wireless communication interface to obtain a neighbor discovery message of the deployment node; receiving neighbor response messages between the deployment nodes; Performing cooperative link configuration on the neighbor discovery message and the neighbor response message to obtain a temporary point-to-point communication link of the search and rescue area; Constructing an initial topological structure of the mobile target according to the temporary point-to-point communication link and the distributed route discovery process; and initializing the routing table of the deployment node based on the initial topological structure to obtain the self-organizing network of the mobile target.
3. The multi-dimensional mobile target ad hoc network method based on dual links according to claim 1, wherein said performing communication dual-path construction on the deployment node based on the ad hoc network to obtain dual communication links of the search and rescue area comprises: configuring a primary network interface and a standby network interface on the deployment node; distributing two logically isolated data transmission paths for the deployment node according to the current topological structure of the ad hoc network; Continuously monitoring the communication state of the main network interface to obtain a real-time monitoring result of the self-organizing network; And when the real-time monitoring result is that the communication state fails, switching the data flow to a data transmission path corresponding to the standby network interface to obtain the double communication links of the search and rescue area.
4. The multi-dimensional mobile target ad hoc network method based on dual links according to claim 1, wherein said performing time sequence state trend deduction on the multi-dimensional state information of the deployment node to obtain the mobile prediction vector of the search and rescue area comprises: performing time sequence alignment on the multidimensional state information of the deployment node to obtain a state information sequence of the deployment node; based on the state information sequence, forward prediction is carried out on the deployment node, and a state prediction result of the deployment node is obtained; Based on the real-time observation data of the deployment node, optimizing and correcting the state prediction result to obtain a calibrated state prediction result of the deployment node; and vectorizing and mapping the calibrated state prediction result to obtain the movement prediction vector of the search and rescue area.
5. The multi-dimensional mobile target ad hoc network method based on dual links according to claim 1, wherein said performing path evolution on the transmitting node and the receiving node based on the motion prediction vector to obtain the optimal communication path of the search and rescue area comprises: extracting predicted motion tracks of a sending node and a receiving node based on the movement prediction vector; Performing track guiding path deduction on the predicted motion track to obtain a candidate communication path between the sending node and the receiving node; Acquiring speed vectors and current distances of the sending node and the receiving node in the candidate communication paths; Based on the speed vector and the current distance, carrying out reliability quantitative evaluation on the candidate communication paths to obtain reliability values of the candidate communication paths; and screening the candidate communication path with highest reliability as the optimal communication path of the search and rescue area according to the reliability value.
6. The multi-dimensional moving object ad hoc network method based on dual links according to claim 5, wherein the reliability value is calculated as follows: ; In the formula, Representing the candidate communication path Is used for the reliability value of the (c) in the (c), Representing a predetermined reliability decay factor, Representing the candidate communication path The number of links in (a) is, Representing the candidate communication path Medium link The velocity vector of the transmitting node is calculated, Representing the candidate communication path Medium link The velocity vector of the receiving node is calculated, Representing the candidate communication path Medium link Is used for the current distance of (a), Expressed in terms of An exponential function of the base.
7. The multi-dimensional mobile target ad hoc network method according to claim 1, wherein dynamically adjusting the active state of the dual communication link based on the optimal communication path to obtain the target communication link of the search and rescue area comprises: monitoring real-time transmission loads of a main link and a standby link in the dual communication link; Based on the node distribution of the optimal communication path, performing overrun risk comparison on the real-time transmission load of the main link and a preset load balancing threshold; when the real-time transmission load of the main link exceeds the preset load balancing threshold, distributing part of data transmission tasks in the data stream to the standby link; and integrating and calibrating the main link and the standby link in a cooperative working state to obtain a target communication link of the search and rescue area.
8. The multi-dimensional mobile target ad hoc network method based on dual links according to claim 1, wherein said performing search and rescue task data forwarding on said deployment node through said target communication link based on said optimal communication path, completing search and rescue tasks of said search and rescue area, comprises: carrying out formatted data encapsulation on search and rescue task data to be transmitted to obtain a data packet of the search and rescue task data; Forwarding the data packet to a next deployment node through the target communication link based on the node sequence of the optimal communication path; when the data packet is forwarded to a receiving node of the optimal communication path, decapsulating the data packet to obtain search and rescue task data of the search and rescue area; And responding to the search and rescue instruction in the search and rescue task data to complete the search and rescue task.
9. A multi-dimensional mobile target ad hoc network system based on dual links, comprising: The self-organizing network construction module is used for constructing a self-organizing network of the moving target by taking the moving target as a deployment node in the search and rescue area; The double-communication link construction module is used for carrying out communication double-path construction on the deployment node based on the ad hoc network to obtain a double-communication link of the search and rescue area; The time sequence situation deduction module is used for performing time sequence state trend deduction on the multidimensional state information of the deployment node to obtain a movement prediction vector of the search and rescue area; the optimal path evolution module is used for carrying out weighted path evolution on the sending node and the receiving node based on the movement prediction vector to obtain an optimal communication path of the search and rescue area; the target communication link determining module is used for dynamically adjusting the active state of the double communication links based on the optimal communication path to obtain a target communication link of the search and rescue area; And the task execution module is used for forwarding search and rescue task data to the deployment node through the target communication link based on the optimal communication path to complete the search and rescue task of the search and rescue area.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any one of claims 1 to 8.

Description

Multi-dimensional mobile target ad hoc network method, system and storage medium based on double links Technical Field The invention relates to the technical field of communication transmission, in particular to a multi-dimensional mobile target ad hoc network method, a system and a storage medium based on double links. Background In the search and rescue application scene of the double-link multidimensional mobile target ad hoc network, the stability and the continuity of a communication link are difficult to be considered in the prior art. The partial scheme adopts a single communication path to construct a network, faces the dynamic displacement of a moving target in a search and rescue area, is easy to cause the problems of link interruption, signal attenuation and the like, and lacks an efficient standby path switching mechanism, so that the data transmission of search and rescue tasks is blocked. In addition, although the dual links are attempted to be configured, the coordination of interfaces and the state monitoring of the deployment node are not perfect enough, and the change of the link connection state cannot be perceived in time, so that delay exists in link switching, and the real-time transmission of search and rescue instructions and data is affected. The prior art has obvious short boards in the aspects of communication path optimization and load regulation. Most of the method does not fully consider multidimensional state information of the deployment nodes, and is difficult to accurately predict the movement trend of the nodes, so that the path selection lacks foresight, and the reliability evaluation of the candidate paths is not scientific enough. Meanwhile, the prior art lacks dynamic adaptation capability for adjusting the active state of the double-link, cannot reasonably distribute load according to node distribution and transmission load conditions of an optimal communication path, is easy to cause the conditions of overload of a main link and idle resources of a standby link, further reduces the communication efficiency of the whole ad hoc network, cannot meet the requirements of a search and rescue task on quick response and efficient coordination, and therefore, how to improve the search and rescue efficiency of the double-link multidimensional moving target ad hoc network becomes a problem to be solved urgently. Disclosure of Invention The present disclosure provides a multi-dimensional moving target ad hoc network method, system and storage medium based on dual links. In a first aspect, the present disclosure provides a multi-dimensional mobile target ad hoc network method based on dual links, including: s1, constructing an ad hoc network of a moving target by taking the moving target as a deployment node in a search and rescue area; s2, carrying out communication double-path construction on the deployment node based on the ad hoc network to obtain a double communication link of the search and rescue area; s3, carrying out time sequence state trend deduction on the multidimensional state information of the deployment node to obtain a movement prediction vector of the search and rescue area; s4, carrying out path evolution on the sending node and the receiving node based on the movement prediction vector to obtain an optimal communication path of the search and rescue area; S5, dynamically adjusting the active state of the double communication links based on the optimal communication path to obtain a target communication link of the search and rescue area; And S6, based on the optimal communication path, forwarding search and rescue task data to the deployment node through the target communication link, and completing the search and rescue task of the search and rescue area. In a preferred embodiment, the deploying nodes with the moving target in the search and rescue area, and constructing the ad hoc network of the moving target, includes: Taking a moving target in the search and rescue area as a deployment node; Performing neighbor detection signaling sensing on the deployment node through a wireless communication interface to obtain a neighbor discovery message of the deployment node; receiving neighbor response messages between the deployment nodes; Performing cooperative link configuration on the neighbor discovery message and the neighbor response message to obtain a temporary point-to-point communication link of the search and rescue area; Constructing an initial topological structure of the mobile target according to the temporary point-to-point communication link and the distributed route discovery process; and initializing the routing table of the deployment node based on the initial topological structure to obtain the self-organizing network of the mobile target. In a preferred embodiment, the performing, based on the ad hoc network, communication dual-path construction on the deployment node to obtain a dual communication link of the search and rescue area includes: