CN-121985385-A - Switching method and device of offshore communication network, electronic equipment and storage medium

CN121985385ACN 121985385 ACN121985385 ACN 121985385ACN-121985385-A

Abstract

The application provides a switching method, a switching device, electronic equipment and a storage medium of an offshore communication network, relates to the technical field of computers, and is used for carrying out dynamic network switching decision according to service types and distinguishing the differentiated requirements of different service types on the network. The method comprises the steps of obtaining current communication environment parameters of a shipborne terminal, determining predicted signal strength of at least one candidate network based on the current communication environment parameters, wherein the candidate network comprises the current network of the shipborne terminal, evaluating quality of each candidate network based on the communication environment parameters and the predicted signal strength to obtain quality evaluation results of each candidate network, determining a target network to be switched of the shipborne terminal based on the quality evaluation results of the at least one candidate network, the service type of the shipborne terminal and the predicted signal strength of the current network, and switching the shipborne terminal to the target network.

Inventors

DU ZHONGYAN
LENG CHAO
LIU JIANHUI
QU JIAXU
ZHUANG TAO
FENG TINGTING
MIAO YING
MA CHANGLIAN
WANG TI
YE HAINA
WANG XIAOBO
YANG SHAN
XIE MENGNAN
BAI XIUJUN

Assignees

中国联合网络通信集团有限公司

Dates

Publication Date: 20260505
Application Date: 20260116

Claims (14)

1. A method of handover of an offshore communication network, the method comprising: acquiring current communication environment parameters of the shipborne terminal; determining the predicted signal strength of at least one candidate network based on the current communication environment parameter, wherein the predicted signal strength is the signal strength of the candidate network at the future time; Evaluating the quality of each candidate network based on the communication environment parameters and the predicted signal strength to obtain a quality evaluation result of each candidate network; Determining a target network to be switched of the shipborne terminal based on a quality evaluation result of at least one candidate network, the service type of the shipborne terminal and the predicted signal strength of the current network; and switching the shipborne terminal to the target network.
2. The method according to claim 1, wherein the determining the target network of the on-board terminal to be handed over based on the quality evaluation result of at least one of the candidate networks, the traffic type of the on-board terminal, the predicted signal strength of the current network, comprises: under the condition that the predicted signal strength of the current network is smaller than a preset threshold value, determining that the target network is the network with the optimal network quality in the at least one candidate network; Under the condition that the service type of the shipborne terminal is an emergency short message, determining that the target network is a Beidou satellite network; And determining switching gain of at least one candidate network under the condition that the predicted signal strength of the current network is greater than or equal to a preset threshold value, and determining the target network based on the switching gain of at least one candidate network, wherein the switching gain is used for reflecting the net gain between the improvement of the network quality after network switching and the switching cost.
3. The method of claim 2, wherein said determining handover benefits for at least one of said candidate networks comprises: and determining switching benefits of the candidate networks based on the network type of the current network, the service type of the shipboard terminal and the quality evaluation result of the candidate networks for each of at least one candidate network.
4. A method according to claim 3, wherein said determining handover benefits of said candidate network based on the network type of said current network, the traffic type of said on-board terminal and the quality assessment results of said candidate network comprises: Determining switching cost based on the network switching times of the shipborne terminal in a preset time period; determining a delay cost based on the network type of the current network and the service type of the shipborne terminal; and calculating switching benefits of the candidate network based on the quality evaluation result of the candidate network, the switching cost and the time delay cost.
5. The method of claim 2, wherein the determining the target network based on handover benefits of at least one of the candidate networks comprises: and determining that the target network is at least one network with the largest switching gain in the candidate networks under the condition that the switching gain meets the preset condition, wherein the preset condition is that the switching gain from the current network to the candidate network is larger than a preset switching threshold.
6. The method of claim 1, wherein predicting a predicted signal strength of at least one candidate network based on the current communication environment parameter comprises: Determining, for each of at least one of the candidate networks, a propagation loss model for the candidate network based on the current communication environment parameters; Determining a predicted distance of the shipborne terminal based on the position and the motion state of the shipborne terminal, wherein the predicted distance is the distance between the position of the shipborne terminal and a network service access point at a future time; And calculating the predicted signal strength of the candidate network based on the current communication environment parameter, the predicted distance and the propagation loss model.
7. The method of claim 1, wherein evaluating the quality of each of the candidate networks based on the communication environment parameters and the predicted signal strengths to obtain a quality evaluation result of each of the candidate networks comprises: Determining, for each of at least one of the candidate networks, data of at least one quality assessment indicator for the candidate network based on the communication environment parameters and predicted signal strengths of the candidate networks; Determining weights of the quality evaluation indexes based on the service types of the shipborne terminals, wherein the weights are used for reflecting importance degrees of the quality evaluation indexes in different service types; and determining a quality evaluation result of the candidate network based on the data of the at least one quality evaluation index and the weight of each quality evaluation index.
8. The method of claim 1, wherein the predicted time window for predicting signal strength is adjusted based on a speed of the on-board terminal.
9. The method of claim 1, wherein the communication environment parameters include at least one of network operating frequency, received network signal strength, location and motion status of the vessel, three-dimensional coordinates of network service access points, weather parameters of vessel location, and traffic type of vessel communication.
10. The method of claim 1, wherein the candidate network comprises at least one of a 5G network, a VDES network, a low-orbit satellite network, a Beidou satellite network.
11. The switching device of the offshore communication network is characterized by comprising an acquisition module, a processing module and a switching module; the acquisition module is used for acquiring current communication environment parameters of the shipborne terminal; The processing module is used for determining the predicted signal strength of at least one candidate network based on the current communication environment parameter, evaluating the quality of each candidate network based on the communication environment parameter and the predicted signal strength to obtain the quality evaluation result of each candidate network; and the switching module is used for switching the shipborne terminal to the target network.
12. An electronic device comprising a processor and a memory coupled to the memory, the memory for storing computer instructions that are loaded and executed by the processor to cause the computer device to implement the method of handover of an offshore communication network according to any one of claims 1 to 10.
13. A computer readable storage medium comprising computer executable instructions which, when run on a computer, cause the computer to perform the handover method of an offshore communication network according to any of claims 1 to 10.
14. A computer program product, characterized in that the computer program product comprises a computer program which, when run on an electronic device, causes the electronic device to perform the handover method of an offshore communication network according to any of claims 1 to 10.

Description

Switching method and device of offshore communication network, electronic equipment and storage medium Technical Field The present application relates to the field of computer technologies, and in particular, to a method and an apparatus for switching an offshore communication network, an electronic device, and a storage medium. Background Currently, offshore communication services cover various types such as video monitoring, voice communication, emergency short messages and the like, requirements on reliability, coverage continuity and intelligent degree of a communication system are increasingly improved, and a converged communication system for covering offshore and open sea needs to be constructed. The offshore communication network has strong isomerism and comprises a plurality of communication modes such as shore-based 5G, low-orbit satellites, VDES, beidou satellites and the like. The existing switching mode of the offshore network comprises a ship satellite land network mutual switching method based on geographic information system and Beidou satellite navigation system verification, a low-orbit satellite communication link switching method based on machine learning and a satellite hybrid networking communication method based on a very high frequency data exchange system. However, the current network switching method is easy to generate error switching or ping-pong switching phenomenon in the offshore environment with frequent signal fluctuation, affects communication continuity and user experience, and is difficult to provide an optimal network access strategy for various services. Disclosure of Invention The application provides a switching method, a switching device, electronic equipment and a storage medium of an offshore communication network, which are used for carrying out dynamic network switching decision according to service types and distinguishing the differentiated requirements of different service types on the network. The application provides a switching method of an offshore communication network, which comprises the steps of obtaining current communication environment parameters of a shipborne terminal, determining predicted signal strength of at least one candidate network based on the current communication environment parameters, wherein the predicted signal strength is the signal strength of the candidate network at a future time, the candidate network comprises the current network of the shipborne terminal, evaluating the quality of each candidate network based on the communication environment parameters and the predicted signal strength to obtain quality evaluation results of each candidate network, determining a target network to be switched of the shipborne terminal based on the quality evaluation results of the at least one candidate network, the service type of the shipborne terminal and the predicted signal strength of the current network, and switching the shipborne terminal to the target network. The technical scheme provided by the application has the advantages that the current communication environment parameters of the shipborne terminal are obtained, the calculated objective data basis can be provided, the signal strength of the candidate network at the future moment is predicted based on the current environment parameters, the change trend of the communication quality can be perceived in advance, and thus the prospective network switching is realized, the quality of each candidate network is evaluated based on the communication environment parameters and the predicted signal strength, the actual communication capacity of the candidate network at the future moment can be reflected more comprehensively and more accurately by combining the communication environment parameters, the quality evaluation result can be used for determining the target network to be switched of the shipborne terminal based on the quality evaluation result of at least one candidate network, the service type of the shipborne terminal and the predicted signal strength of the current network, the basic communication performance of the target network is ensured according to the quality evaluation result, the matching of the selected network and the requirements of the current communication task is ensured by combining the service type, and the dynamic network switching decision can be performed according to the service type, and the differentiated requirements of different service types on the networks are distinguished. A possible implementation mode comprises the steps of determining that a target network is the network with optimal network quality in at least one candidate network under the condition that the predicted signal strength of a current network is smaller than a preset threshold value, determining that the target network is a Beidou satellite network under the condition that the service type of a shipborne terminal is an emergency short message, determining the switching benefit of