Data link breakage data processing method

Abstract

The invention discloses a data link breakage data processing method, which aims at the problem of loss of return load information caused by instability of a data link in a flight platform, periodically detects a link communication state in real time, and stores received information in a memory in a classified manner when the link is interrupted. After the link is recovered, the information stored in the memory and the real-time data are respectively transmitted back to the ground according to the importance degree, so that the load information in the link breaking process is quickly retransmitted under the condition that no additional hardware device is added to the data link, the integrity of the transmitted back load information is ensured, and the problem of information loss in the traditional data link breaking period is solved.

Description

Technical Field

[0001] This invention belongs to the field of wireless communication technology, specifically relating to a method for processing data lost due to a data link interruption. Background Technology

[0002] With the development of wireless communication technology, data links are increasingly used in unmanned systems, especially drones and swarm systems. In flight mission scenarios, they are inevitably affected by environmental weather, site electromagnetic environment and enemy electromagnetic interference. When the communication link of the data link is interfered with, the information transmitted to the ground is lost, thus affecting the normal application of the unmanned system.

[0003] When data links are interrupted due to interference, data is often discarded. This results in the loss of relevant payload and status information of the unmanned system (UAV) during the link interruption, impacting its operation, especially for UAVs with detection capabilities. Some large UAV systems are equipped with dedicated data processing or recording devices to store data that cannot be transmitted to the ground after a link interruption. This data is then retrieved via wired connection after the UAV completes its mission. While this method is typically used in system development and on large UAV platforms, it struggles to guarantee real-time information acquisition and ease of use in real-world environments. Therefore, a novel data link interruption data processing method is needed to achieve effective data storage and transmission under interruption conditions without altering system workflows or data link hardware functionality, meeting the data integrity requirements of UAVs, especially smaller UAVs primarily for detection missions. Summary of the Invention

[0004] Overcoming the shortcomings of existing technologies, this invention provides a data link interruption data processing method. Addressing the problem of missing payload information due to unstable data link in flight platforms, this method periodically monitors the link connectivity status in real time. When the link is interrupted, the received information is categorized and stored in a memory. After the link is restored, the information stored in the memory is transmitted back to the ground along with real-time data according to its importance. This enables rapid retransmission of payload information during the data link interruption process without adding additional hardware, ensuring the integrity of the transmitted payload information and solving the problem of information loss during traditional data link interruptions.

[0005] The technical solution adopted by this invention to solve its technical problem is as follows:

[0006] Step 1: The onboard data link periodically checks the connectivity status with the ground data link. When a network maintenance frame is received from the ground data link, the onboard data link sends a network access request to the ground data link, establishes a communication link with the ground data link, and wirelessly transmits the received payload data to the ground.

[0007] Step 2: Periodically check the connectivity of the onboard data link with the ground data link. If no network maintenance frame is received from the ground data link within T ms, it is determined that the onboard data link and the ground data link are interrupted.

[0008] Step 3: The onboard data link analyzes the received payload data. If the payload data contains target type, target distance, or target location, the payload data is marked as important data. If not, the payload data is marked as general data, and the marked data is stored in different cache areas.

[0009] Step 4: After receiving the network maintenance frame sent by the ground data link, the onboard data link determines that the link between the onboard data link and the ground data link has been restored. The onboard data link receives the real-time data sent by the payload and transmits it to the ground wirelessly.

[0010] Step 5: The onboard data link determines whether payload data is stored. If so, it analyzes the remaining bandwidth of the current link and uses the remaining bandwidth to prioritize the wireless transmission of important payload data to the ground. After the important payload data is transmitted, the stored general payload data is transmitted wirelessly to the ground.

[0011] An electronic device includes: a processor and a memory; the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory to cause the electronic device to perform the above-described data link disconnection data processing method.

[0012] A computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the above-described data link disconnection data processing method.

[0013] A chip includes a processor for retrieving and running a computer program from a memory, causing a device equipped with the chip to perform the aforementioned data link disconnection data processing method.

[0014] A computer program product includes a computer storage medium storing a computer program, the computer program including instructions executable by at least one processor, which, when executed by the at least one processor, implement the aforementioned data link disconnection data processing method.

[0015] The beneficial effects of this invention are as follows:

[0016] Compared with existing methods, this invention can achieve data retransmission capability in the event of a data link failure without adding hardware, by using data processing methods such as periodic link judgment, data storage, and data retransmission, thus ensuring the data integrity requirements of unmanned systems. Attached Figure Description

[0017] Figure 1 This is a flowchart of the data processing of the present invention. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] The technical problem this invention aims to solve is that current data links suffer from data loss when the communication link is interrupted, making it difficult to meet the data integrity requirements of unmanned systems, especially platforms primarily used for exploration missions.

[0020] To address the aforementioned technical problems, this invention provides a method for processing data loss due to a data link disruption, comprising the following steps:

[0021] S1: Periodically check the connectivity of the onboard data link and the ground data link. If no network maintenance frame is received from the ground data link within T ms, it is determined that the onboard data link and the ground data link are interrupted.

[0022] S2; The onboard data link analyzes the received payload data. If the payload data contains key attributes such as target type, target distance, and target location, the payload data is marked as important data. If not, the payload data is marked as general data, and the marked data is classified and stored in different buffer areas.

[0023] S3: After receiving the network maintenance frame sent by the ground data link, the onboard data link determines that the link between the onboard data link and the ground data link has been restored. The onboard data link receives the real-time data sent by the payload and transmits it to the ground wirelessly.

[0024] S4: The onboard data link determines whether payload data is stored. If so, it analyzes the remaining bandwidth of the current link and uses the remaining bandwidth to prioritize the wireless transmission of important payload data to the ground. After the important payload data is transmitted, the stored general payload data is transmitted wirelessly to the ground.

[0025] Example:

[0026] like Figure 1 As shown, a data link breakage data processing method of the present invention includes the following steps:

[0027] S1: The onboard data link periodically checks the connectivity status with the ground data link. When a network maintenance frame is received from the ground data link, the aircraft sends a network access request to the ground data link, establishes a communication link with the ground data link, and wirelessly transmits the received payload data to the ground.

[0028] S2; The onboard data link periodically checks the network maintenance frames sent by the ground data link. If no network maintenance frame is received from the ground data link within T ms, it is determined that the link between the onboard data link and the ground data link is interrupted.

[0029] S3; The onboard data link analyzes the received payload data. If the payload data contains attributes of interest to the unmanned system, such as target type, target distance, and target location, the payload data is marked as important data. If not, the payload data is marked as general data, and the marked data is classified and stored in different cache areas.

[0030] S4: After receiving the network maintenance frame sent by the ground data link, the onboard data link determines that the link between the onboard data link and the ground data link has been restored. The onboard data link receives the real-time data sent by the payload and transmits it to the ground wirelessly.

[0031] S5: The onboard data link determines whether there is payload data stored in the buffer. If so, it analyzes the remaining bandwidth available on the current link and uses the remaining bandwidth to prioritize the wireless transmission of important payload data to the ground. After the important payload data is transmitted, the stored general payload data is transmitted wirelessly to the ground until the stored data is completely retransmitted.

Claims

1. A method for processing data from a broken data link, characterized in that, Comprising the following steps: Step 1: The on-board data link periodically judges the link-up and link-down of the ground data link, when receiving the network maintenance frame sent by the ground data link, sends the network access application to the ground data link, establishes the communication link with the ground data link, and sends the received payload data to the ground in a wireless manner; Step 2: The on-board data link periodically judges the link-up and link-down of the ground data link, if no network maintenance frame sent by the ground data link is received within T ms, it is judged that the on-board data link and the ground data link are interrupted; Step 3: The on-board data link analyzes the received payload data, if there is target type, target distance and target position in the payload data, the payload data is marked as important data, if not, the payload data is marked as general data, and the marked data is classified and stored in different cache areas; Step 4: After receiving the network maintenance frame sent by the ground data link, the on-board data link judges that the on-board data link and the ground data link are restored, and receives the real-time data sent by the payload, and sends it to the ground in a wireless manner; Step 5: The on-board data link judges whether there is payload data stored, if yes, analyzes the remaining bandwidth of the current link, uses the remaining bandwidth to preferentially send the stored important payload data to the ground in a wireless manner, and after the important payload data is sent, the stored general payload data is sent to the ground in a wireless manner.

2. An electronic device, comprising: Comprising: A processor and a memory; The memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory, so that the electronic device executes the method as claimed in claim 1.

3. A computer-readable storage medium having stored thereon a computer program, characterized in that, The computer program is executed by the processor to realize the method as claimed in claim 1.

4. A chip, characterized by Comprising: A processor is used to call and run a computer program from a memory, so that the device installed with the chip executes the method as claimed in claim 1.

5. A computer program product, characterised in that, The computer program product comprises a computer storage medium, the computer storage medium stores a computer program, the computer program comprises instructions executable by at least one processor, and when the instructions are executed by the at least one processor, the method as claimed in claim 1 is realized.

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