CN110798803A - Ship, shipborne satellite communication terminal and network switching control method thereof - Google Patents
Ship, shipborne satellite communication terminal and network switching control method thereof Download PDFInfo
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- CN110798803A CN110798803A CN201911099593.0A CN201911099593A CN110798803A CN 110798803 A CN110798803 A CN 110798803A CN 201911099593 A CN201911099593 A CN 201911099593A CN 110798803 A CN110798803 A CN 110798803A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
Abstract
The invention belongs to the field of satellite communication, and provides a ship, a ship-borne satellite communication terminal and a network switching control method thereof. In the embodiment of the invention, firstly, the signal coverage range of a first target communication satellite and the current position of a ship are obtained; when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register; and when the current position of the ship is not within the signal coverage range of the first target communication satellite, stopping executing the first preset network searching strategy. The method provided by the embodiment of the invention can ensure that the shipborne satellite communication terminal can always execute network switching when the position changes, thereby ensuring the timeliness of communication satellite connection.
Description
Technical Field
The invention belongs to the field of satellite communication, and particularly relates to a ship, a ship-borne satellite communication terminal and a network switching control method thereof.
Background
The current shipborne satellite communication terminal can normally register for communication when in the signal coverage range of a target satellite, and realizes smooth completion of river transportation, sea transportation and other water area operations.
However, when the shipborne satellite communication terminal is not in the signal coverage of the target satellite, the shipborne satellite communication terminal tries to register with the target satellite according to the preset strategy, and the preset strategy is not executed until the strategy is executed or the registration is not successful, so that the shipborne satellite communication terminal cannot actively complete the registration when the ship enters the signal coverage of the target satellite, and the ship is still in a state without a network in the signal coverage of the target satellite, and cannot normally communicate with the outside.
Disclosure of Invention
The embodiment of the invention provides a control method for network switching, which is applied to a shipborne satellite communication terminal and aims to solve the problem that the network switching cannot be carried out according to different positions of the conventional shipborne satellite communication terminal, so that the normal communication cannot be carried out.
In order to solve the above problems, the present invention is realized by:
in a first aspect, an embodiment of the present invention provides a method for controlling network handover, which is applied to a ship-borne satellite communication terminal, and the method includes:
acquiring a signal coverage range of a first target communication satellite and a current position of a ship;
when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register;
and when the current position of the ship is not within the signal coverage range of the first target communication satellite, stopping executing the first preset network searching strategy.
Further, after the step of stopping executing the first preset network searching policy, the method further includes:
and when the position of the ship is switched from the signal coverage range which is not in the first target communication satellite to the signal coverage range which is in the first target communication satellite, executing the initialized first preset network searching strategy.
Further, after the step of stopping executing the first preset network searching policy, the method further includes:
and displaying the signal coverage range of the first target communication satellite on a preset map.
Further, when the current position of the vessel is not within the signal coverage of the target communication satellite, the method further comprises:
searching connectable communication satellites according to a second preset network searching strategy;
displaying a list of connectable communication satellites in case that the connectable communication satellites are searched;
and sending a registration request to a second target communication satellite in the list according to a preset rule of the system or user selection operation.
Further, after the step of sending a registration request to a second target communication satellite in the list according to a preset rule of the system or a user selection operation, the method further comprises:
displaying registrable modes fed back by the second target communication satellite, wherein the registrable modes comprise a temporary registration mode for limiting registration time and an irregular registration mode for not limiting registration time;
and registering with the second target communication satellite according to the target registration mode selected by the user in the registrable modes.
Further, in the event that registration with the second target communication satellite is successful, the method further comprises:
and if the position of the ship is switched from the signal coverage range which is not positioned in the first target communication satellite to the signal coverage range which is positioned in the first target communication satellite, interrupting the communication connection with the second target communication satellite, and executing the initialized first preset network searching strategy.
In a second aspect, an embodiment of the present invention provides a shipborne satellite communication terminal, where the shipborne satellite communication terminal includes:
an acquisition unit for acquiring a signal coverage of a first target communication satellite and a current position of a ship;
the registration unit is used for executing a first preset network searching strategy to search the first target communication satellite and register when the current position of the ship is within the signal coverage range of the first target communication satellite;
and the control unit is used for stopping executing the first preset network searching strategy when the current position of the ship is not within the signal coverage range of the first target communication satellite.
In a third aspect, an embodiment of the present invention provides a shipborne satellite communication terminal, where the shipborne satellite communication terminal includes: the network switching control method comprises a memory, a processor and a network switching control program which is stored on the memory and can run on the processor, wherein the steps of the network switching control method are realized when the network switching control program is executed by the processor.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a network handover control program is stored, and when executed by a processor, the computer-readable storage medium implements the steps of the network handover control method described above.
In a fifth aspect, embodiments of the present invention provide a ship comprising an onboard satellite communication terminal as described above.
In the embodiment of the invention, firstly, the signal coverage range of a first target communication satellite and the current position of a ship are obtained; when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register; and when the current position of the ship is not within the signal coverage range of the first target communication satellite, stopping executing the first preset network searching strategy. The method provided by the embodiment of the invention can ensure that the shipborne satellite communication terminal can always execute network switching when the position changes, thereby ensuring the timeliness of communication satellite connection.
Drawings
Fig. 1 is a flowchart of a method for controlling network handover according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for controlling network handover according to a first embodiment of the present invention;
fig. 3 is a flowchart of a method for controlling network handover according to a second embodiment of the present invention;
fig. 4 is a flowchart of a method for controlling network handover according to a third embodiment of the present invention;
fig. 5 is a flowchart of a method for controlling network handover according to a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a frame of a shipborne satellite communication terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of specific implementations of the present invention is provided in conjunction with specific embodiments:
fig. 1 is a flowchart illustrating a control method for network handover applied to a shipborne satellite communication terminal according to an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are listed, and detailed descriptions are as follows:
the embodiment of the invention provides a control method for network switching, which is applied to a shipborne satellite communication terminal and is characterized by comprising the following steps:
step S10, the signal coverage of the first target communication satellite and the current position of the vessel are acquired. Specifically, in the embodiment of the present invention, the signal coverage of the first target communication satellite may be obtained in real time through a network, or the signal coverage of the first target communication satellite is obtained by querying related parameters of the first target communication satellite, and the current position of the ship may be obtained through a positioning navigation system such as a GPS and/or a beidou navigation system.
And step S20, when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register.
In the embodiment of the present invention, the first preset network searching strategy is to search x times at a first time interval, search y times at a second time interval when the search x times cannot be registered, search z times at a third time interval when the search y times cannot be registered, and if the search z times still cannot be registered, the satellite search registration is not performed any more, and specific data are exemplified below, for example:
and starting to register the network when the current position of the ship is within the signal coverage range of the first target communication satellite, if no signal is found, restarting to search the network after 5 minutes, if no signal is found, the network cannot be accessed, continuing to repeat the last step, if no signal is found, the network cannot be registered after 3 times, changing to 10-minute circulation for 3 times and 15-minute circulation for 3 times, and if the network cannot be accessed, stopping searching the network. It should be noted that the above data are only used for example, and are not used to limit the scope of the data of the present invention, and in addition, x, y, and z are the same or different positive integers, and can be preset by a system, or can be user-defined to set specific values.
And step S30, stopping executing the first preset network searching strategy when the current position of the ship is not in the signal coverage range of the first target communication satellite. Specifically, when the ship is not within the signal coverage range of the first target communication satellite, the execution of the first preset network searching strategy is directly stopped, so that resource waste is avoided.
In the embodiment of the invention, firstly, the signal coverage range of a first target communication satellite and the current position of a ship are obtained; when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register; and when the current position of the ship is not within the signal coverage range of the first target communication satellite, stopping executing the first preset network searching strategy. The method provided by the embodiment of the invention can ensure that the shipborne satellite communication terminal can always execute network switching when the position changes, thereby ensuring the timeliness of communication satellite connection.
The first embodiment is as follows:
fig. 2 is a flowchart illustrating a control method applied to network handover of a shipborne satellite communication terminal according to a first embodiment of the present invention, and for convenience of description, only relevant portions of the embodiment of the present invention are listed, and detailed descriptions are as follows:
as a preferred embodiment of the present invention, after step S30, the method further includes:
step S40, when the position of the ship is switched from the signal coverage range not in the first target communication satellite to the signal coverage range in the first target communication satellite, executing the initialized first preset network searching strategy.
In the embodiment of the invention, when the ship enters the signal coverage range of the first target communication satellite again, the first preset network searching strategy is initialized and executed, namely, the first preset network searching strategy is executed again.
Example two:
fig. 3 is a flowchart illustrating a control method applied to network handover of a shipborne satellite communication terminal according to a second embodiment of the present invention, and for convenience of description, only relevant parts of the embodiment of the present invention are listed, and detailed descriptions are as follows:
as a preferred embodiment of the present invention, after step S30, the method further includes:
and step S50, displaying the signal coverage range of the first target communication satellite on a preset map.
In the embodiment of the invention, when the current position of the ship is not in the signal coverage range of the first target communication satellite, the communication becomes difficult, and the ship needs to go to a place with a satellite signal for asking for help in an emergency.
Example three:
fig. 4 is a flowchart illustrating a control method applied to network handover of a shipborne satellite communication terminal according to a third embodiment of the present invention, and for convenience of description, only relevant portions of the embodiment of the present invention are listed, and detailed descriptions are as follows:
as a preferred embodiment of the present invention, when the current position of the ship is not within the signal coverage of the target communication satellite, the method further comprises:
step S60, searching connectable communication satellites according to a second preset network searching strategy;
a step S70 of displaying a list of connectable communication satellites when the connectable communication satellites are searched;
step S80, sending a registration request to the second target communication satellite in the list according to a preset rule of the system or a user selection operation.
In the embodiment of the invention, after the ship leaves the signal coverage range of the first target communication satellite, connectable communication satellites are searched according to a second preset network searching strategy, wherein the second preset network searching strategy is different from the first preset network searching strategy in that the time duration of intervals may be different and the number of times of execution of the cycles may be different.
Displaying a list of connectable communication satellites in case that the connectable communication satellites are searched; the list includes information such as the position of the satellite, the signal strength, and the identification (name or code) of the satellite.
After the list is displayed, the system automatically selects a second target communication satellite to send a registration request according to the priority information of the signal strength and the like, or a user sends the registration request by operating the second target communication satellite in the selected list. Or the system/user can choose to send registration requests to all satellites in the list and further filter according to the feedback information of the satellites in the list.
Example four:
fig. 5 is a flowchart illustrating a control method applied to network handover of a shipborne satellite communication terminal according to a fourth embodiment of the present invention, and for convenience of description, only relevant parts of the embodiment of the present invention are listed, and detailed descriptions are as follows:
as a preferred embodiment of the present invention, after step S80, the method further includes:
step S90, displaying registrable modes fed back by the second target communication satellite, wherein the registrable modes comprise a temporary registration mode for limiting registration duration and an irregular registration mode for not limiting registration duration;
and step S100, registering to the second target communication satellite according to the target registration mode selected by the user in the registrable modes.
In the embodiment of the invention, the registrable modes comprise a temporary registration mode for limiting the registration time length and an irregular registration mode for not limiting the registration time length, when a ship leaves the signal coverage range of a first target communication satellite, the ship can carry out connection communication with other communication satellites, but the communication satellite which is not taken as a main connection is generally temporarily rented or is limited to the registration connection during emergency rescue, and after the registrable modes fed back by a second target communication satellite are displayed, a target registration mode selected by a user in the registrable modes is registered with the second target communication satellite to establish communication connection.
As a preferred embodiment of the present invention, in case of successful registration with the second target communication satellite, the method further comprises:
and if the position of the ship is switched from the signal coverage range which is not positioned in the first target communication satellite to the signal coverage range which is positioned in the first target communication satellite, interrupting the communication connection with the second target communication satellite, and executing the initialized first preset network searching strategy, namely switching to the original network searching strategy.
In the embodiment of the invention, firstly, the signal coverage range of a first target communication satellite and the current position of a ship are obtained; when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register; and when the current position of the ship is not within the signal coverage range of the first target communication satellite, stopping executing the first preset network searching strategy. The method provided by the embodiment of the invention can ensure that the shipborne satellite communication terminal can always execute network switching when the position changes, thereby ensuring the timeliness of communication satellite connection.
Fig. 6 is a schematic diagram illustrating a frame structure of a shipborne satellite communication terminal according to an embodiment of the present invention, and for convenience of description, only relevant portions of the shipborne satellite communication terminal according to the embodiment of the present invention are listed, and detailed descriptions are as follows:
the embodiment of the invention provides a ship-borne satellite communication terminal, which comprises: an acquisition unit 101, a registration unit 102, and a control unit 103;
the acquisition unit 101 is used for acquiring the signal coverage of a first target communication satellite and the current position of a ship; the registration unit 102 is configured to execute a first preset network searching policy to search for the first target communication satellite and perform registration when the current position of the ship is within a signal coverage range of the first target communication satellite; the control unit 103 is configured to stop executing the first preset network searching strategy when the current position of the ship is not within the signal coverage range of the first target communication satellite.
It should be noted that the embodiment of the shipborne satellite communication terminal provided in the embodiment of the present invention corresponds to the above-mentioned method embodiment, and the working principle and the mode thereof are applicable correspondingly, which are not described herein again.
As a preferred embodiment of the present invention, an embodiment of the present invention further provides a shipborne satellite communication terminal, including: the network switching control method comprises a memory, a processor and a network switching control program stored on the memory and capable of running on the processor, wherein the steps of the network switching control method are realized when the network switching control program is executed by the processor.
As another preferred embodiment of the present invention, an embodiment of the present invention further provides a computer-readable storage medium, where a control program for network handover is stored, and the control program for network handover, when executed by a processor, implements the steps of the control method for network handover in the above-mentioned embodiments.
As another preferred embodiment of the present invention, an embodiment of the present invention further provides a ship, where the ship includes the onboard satellite communication terminal described above.
Those skilled in the art can understand that each unit included in the above embodiments is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be achieved; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It will be further understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A control method for network switching is applied to a shipborne satellite communication terminal, and is characterized by comprising the following steps:
acquiring a signal coverage range of a first target communication satellite and a current position of a ship;
when the current position of the ship is within the signal coverage range of the first target communication satellite, executing a first preset network searching strategy to search for the first target communication satellite and register;
and when the current position of the ship is not within the signal coverage range of the first target communication satellite, stopping executing the first preset network searching strategy.
2. The method according to claim 1, wherein after the step of stopping the execution of the first preset network searching policy, the method further comprises:
and when the position of the ship is switched from the signal coverage range which is not in the first target communication satellite to the signal coverage range which is in the first target communication satellite, executing the initialized first preset network searching strategy.
3. The method according to claim 1, wherein after the step of stopping the execution of the first preset network searching policy, the method further comprises:
and displaying the signal coverage range of the first target communication satellite on a preset map.
4. The method of claim 1, wherein when the current position of the vessel is not within signal coverage of the target communication satellite, the method further comprises:
searching connectable communication satellites according to a second preset network searching strategy;
displaying a list of connectable communication satellites in case that the connectable communication satellites are searched;
and sending a registration request to a second target communication satellite in the list according to a preset rule of the system or user selection operation.
5. The method of claim 4, wherein after the step of sending a registration request to the second target communication satellite in the list according to a system preset rule or a user selection operation, the method further comprises:
displaying registrable modes fed back by the second target communication satellite, wherein the registrable modes comprise a temporary registration mode for limiting registration time and an irregular registration mode for not limiting registration time;
and registering with the second target communication satellite according to the target registration mode selected by the user in the registrable modes.
6. The method of claim 5, wherein in the event that registration with the second target communications satellite is successful, the method further comprises:
and if the position of the ship is switched from the signal coverage range which is not positioned in the first target communication satellite to the signal coverage range which is positioned in the first target communication satellite, interrupting the communication connection with the second target communication satellite, and executing the initialized first preset network searching strategy.
7. An on-board satellite communication terminal, characterized in that the on-board satellite communication terminal comprises:
an acquisition unit for acquiring a signal coverage of a first target communication satellite and a current position of a ship;
the registration unit is used for executing a first preset network searching strategy to search the first target communication satellite and register when the current position of the ship is within the signal coverage range of the first target communication satellite;
and the control unit is used for stopping executing the first preset network searching strategy when the current position of the ship is not within the signal coverage range of the first target communication satellite.
8. An on-board satellite communication terminal, characterized in that the on-board satellite communication terminal comprises: memory, processor and a network switching control program stored on the memory and executable on the processor, the network switching control program when executed by the processor implementing the steps of the network switching control method according to any one of claims 1 to 6.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a control program for network handover, which when executed by a processor implements the steps of the control method for network handover as claimed in any one of claims 1 to 6.
10. A ship, characterized in that it comprises an onboard satellite communication terminal according to claim 7 or 8.
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| CN116390221A (en) * | 2023-03-17 | 2023-07-04 | 广州爱浦路网络技术有限公司 | Periodic registration method, system, device and medium for satellite communication user terminal |
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