CN111741503A - Network switching method and related device thereof - Google Patents
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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
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/305—Handover due to radio link failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W36/14—Reselecting a network or an air interface
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Abstract
The application discloses a network switching method and a related device thereof. The network switching method comprises the following steps: when the current network is detected to have a fault, determining whether a switchable network exists currently; and if so, sequentially trying to switch the communication network to the switchable network from high priority to low priority until the communication network is successfully switched to the switchable network. According to the method and the device, when the current network breaks down, switching can be tried according to the sequence from high to low in priority, and finally the network with normal communication is switched, so that the effect of switching the network quickly and ensuring the smoothness of the switched network can be achieved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a network switching method and a related apparatus.
Background
At present, after a terminal is accessed to a network, the terminal can be continuously accessed to the network, and network switching cannot be actively performed, so that the communication quality of the network can influence the communication of the terminal.
Disclosure of Invention
The main purpose of the present application is to provide a network switching method and a related device thereof, which can try to switch according to a sequence from high priority to low priority when a current network fails, and finally switch to a network with normal communication, so as to achieve the effect of switching networks quickly and ensuring the smoothness of the switched network, and reduce the influence of the current network failure on terminal communication.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a network switching method is provided, which comprises:
when the current network is detected to have a fault, determining whether a switchable network exists currently;
and if so, sequentially trying to switch the communication network to the switchable network from high priority to low priority until the communication network is successfully switched to the switchable network.
Wherein, confirming whether the switchable network exists currently comprises:
confirming whether a network exists in the white list;
if the white list does not have a network, removing all networks in the black list into the white list, and taking the networks in the white list as switchable networks;
and if the white list has the network, taking the network in the white list as a switchable network.
Wherein attempting to switch the communication network to a switchable network in order of priority from high to low until the communication network is successfully switched to a switchable network comprises:
sequentially trying to switch the communication network to a switchable network from high priority to low priority, and adding the network which fails to be switched to a blacklist;
and when all the networks are in the blacklist, removing all the networks in the blacklist to the whitelist, taking the networks in the whitelist as switchable networks, and returning to the step of sequentially trying to switch the communication network to the switchable networks from high to low in priority.
Wherein attempting to switch the communication network to the switchable network in order of priority size from high to low comprises:
determining whether a switchable network which can be connected to the switching attempt within a first preset time can be switched or not;
if the switchable network which is attempted to be switched cannot be connected within the first preset time, the switchable network which is attempted to be switched is a network which fails to be switched.
Wherein, detecting that the current network fails comprises:
sending a message to the server at regular time, and determining whether a reply of the server is received within a second preset time;
and if the reply of the server is not received, confirming that the current network has a fault.
Wherein, until the communication network is successfully switched to a switchable network, the method comprises the following steps:
and if the successfully switched network is the mobile communication network, trying to switch the communication network to other networks at intervals of third preset time until the communication network is successfully switched to other networks.
Wherein the network comprises a wired network, a wireless network and a mobile communication network,
the priority is from high to low: wired networks, wireless networks, and mobile communication networks.
Wherein the network comprises a plurality of wireless networks;
the priority of the wireless networks is positively correlated with the communication quality of the wireless networks.
To achieve the above object, the present application provides a network switching device, which includes a memory and a processor; the memory has stored therein a computer program for execution by the processor to perform the steps of the above method.
To achieve the above object, the present application provides a readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the above method.
Compared with the prior art, the beneficial effects of this application are: when the current network has a fault and a switchable network exists, switching is tried according to the sequence of the priorities from high to low until the communication network is successfully switched to the switchable network, and finally the communication network can be switched to the network with normal communication.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of a network handover method according to the present application;
fig. 2 is a schematic flow chart of a second embodiment of the network handover method of the present application;
fig. 3 is a flowchart illustrating a network handover method according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of an embodiment of a network switching apparatus according to the present application;
FIG. 5 is a schematic structural diagram of an embodiment of a storage medium readable by the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic flow chart of a first embodiment of a network handover method according to the present application, and as shown in fig. 1, the network handover method according to the present embodiment includes the following steps.
S110: and when the current network is detected to have a fault, determining whether a switchable network exists currently.
In an implementation manner, whether a current network fails or not may be determined through a heartbeat detection mechanism. Specifically, the equipment terminal sends a message to the server at regular time and determines whether a reply of the server is received within a second preset time; and if the reply of the server is not received, confirming that the current network has a fault. The device side sends the message to the server at regular time, namely, the device side sends the message to the server at intervals. Alternatively, the time period may be 2S, 5S, 10S, 15S, and the like. The message sent by the device side may be a ping request message. The server's reply may be a pinggresponse message. The second preset time can be adjusted according to actual conditions. Alternatively, the second preset time may be 35S, 40S, 50S, 60S, and the like. It can be understood that, in the embodiment of the present application, the method for determining whether the time meets the requirement is to start a timer at the beginning; when the time of the timer is reached, the time can be determined to reach the requirement.
Or, when the communication is normal, the equipment end receives the message sent by the server at intervals; if the time that the equipment end does not receive the message sent by the server exceeds the receiving threshold, the current network of the equipment end can be judged to have a fault.
In another implementation, whether the current network fails or not may be confirmed by the signal strength of the current network. Specifically, when the signal strength of the current network is lower than a first strength threshold value, the current network is judged to be in failure.
When detecting that the current network has a fault, whether a switchable network exists currently can be determined, and on the premise that the switchable network exists currently, the communication network can be switched from the current network to the switchable network to maintain normal communication.
Specifically, in an application scenario, whether a switchable network currently exists may be determined through a black and white list mechanism. Illustratively, the network considers the network to be in a black list and is in failure, that is, the network in the black list is a network which is not switchable; and if the network is in the white list, the network is considered not to be in the fault currently, namely the network in the white list is a switchable network. Therefore, whether the switchable network exists can be judged only by judging whether the network exists in the white list.
In another application scenario, it may be determined whether the other network is a switchable network by determining the signal strength of the other network, and specifically, a network whose signal strength exceeds the second strength threshold may be regarded as a switchable network.
Of course, it will be appreciated that the presence of a switchable network may also be determined in other ways.
S120: and if so, sequentially trying to switch the communication network to the switchable network from high priority to low priority until the communication network is successfully switched to the switchable network.
Wherein the priority order of the switchable networks may be pre-set. For example, when the network includes a wired network, a wireless network, and a mobile communication network, the priority order of the 3 networks may be set in advance. Specifically, the priority is, in order from high to low: wired networks, wireless networks, and mobile communication networks. It is understood that the mobile communication network includes 1G, 2G, 3G, 4G, and 5G networks, and the like.
Or the device side can automatically determine the priority order of the switchable networks according to the related information of the networks. For another example, when the network includes a plurality of wireless networks, wired networks, and mobile communication networks, the device may first determine the communication quality of the plurality of networks, and then set the priority order of the plurality of networks according to the communication quality of the plurality of networks. Wherein the priorities of the plurality of networks are positively correlated with the communication quality of the plurality of networks. The communication quality of the network may be the signal strength or data transmission rate of the network, etc.
If the switchable network exists, the communication network can be switched to the switchable network in turn according to the sequence of the priorities from high to low until the communication network is successfully switched to the switchable network, so that the effects of switching the network quickly and ensuring the switched network to be unobstructed can be achieved.
Referring to fig. 2, fig. 2 is a flowchart illustrating a network handover method according to a second embodiment of the present invention. The embodiment discloses a network switching method using a black and white list as a switchable network judgment basis. As shown in fig. 2, the network handover method according to the present embodiment includes the following steps.
S210: and when the current network is detected to have a fault, determining whether the white list has a network or not.
If the white list has a network, go to step S230; if no network exists in the white list, the process proceeds to step S220.
It is understood that, in order to facilitate management of all networks, when it is detected that a current network fails, the current network may be added to a blacklist, so that when a network that is successfully handed over has not been found after a handover attempt is performed, a handover attempt may be performed on the current network in a second or subsequent handover attempts; therefore, when other networks fail for a long time and the current network fails for a short time, the communication network can be quickly switched to the network with normal communication. It is understood that step S220 is the boundary between two adjacent handover attempts.
S220: all networks in the blacklist are removed to the whitelist.
If no network exists in the white list, all networks in the black list can be removed to the white list for a subsequent switching attempt, so that a plurality of networks can be subjected to cyclic switching attempts, and the communication network can be quickly switched to the network with normal communication.
After step S220 is completed, the process proceeds to step S230.
S230: the communication network is attempted to be switched to the highest priority network in the white list.
Firstly, whether a network exists in a white list can be judged; if so, switching the communication network to the network with the highest priority; if not, the process proceeds to step S220. And may wait for a fourth preset time before proceeding to step S220. The fourth preset time can be set according to actual conditions. Alternatively, the fourth preset time may be 2min, 2.5min, 3min, and the like.
If the communication network is not successfully switched to the network with the highest priority in the white list, the process goes to step S240; if the communication network is successfully switched to the network with the highest priority in the white list, the process proceeds to step S250.
The step of attempting to switch the communication network to the network with the highest priority may include: determining whether a switchable network which can be connected to the switching attempt within a first preset time can be switched or not; if the switchable network which is tried to be switched cannot be connected within the first preset time, the communication network is not successfully switched to the network with the highest priority in the white list, and the switchable network which is tried to be switched is a network which is failed to be switched; if the switchable network which is attempted to be switched is connected within the first preset time, the communication network is successfully switched to the network with the highest priority in the white list, and the switchable network which is attempted to be switched is the network which is successfully switched. The first preset time can be set according to actual conditions. Alternatively, the first preset time may be 2min, 2.5min, 3min, and the like.
S240: the highest priority network is removed from the white list to the black list.
If the communication network cannot be successfully switched to the network with the highest priority, the network with the highest priority is removed from the white list to the black list, so that the communication network can be sequentially tried to be switched to the switchable networks according to the sequence of the priority from high to low through the operation of trying to switch the communication network to the network with the highest priority in the white list each time the switching is tried, and the operation is convenient.
After completion of step S240, the process proceeds to step S230.
S250: and if the successfully switched network is the mobile communication network, trying to switch the communication network to other networks at intervals of third preset time until the communication network is successfully switched to other networks.
Some rules may be set up depending on the characteristics of the respective network. For example, for the mobile communication network, a handover mechanism may be set up, that is, the successfully handed over network is the mobile communication network, and the communication network is tried to be handed over to another network every third preset time until the communication network is successfully handed over to another network, so that the communication charge can be saved. The third preset time can be adjusted according to actual conditions. Alternatively, the third preset time may be 1h, 1.5h, 2h, 3h, and the like.
In addition, a network deleting mechanism can be set on the basis of the network switching method to delete the failed network, so that the failed network is prevented from being tested repeatedly, and the network switching efficiency is improved.
For example, before removing the network with the failed handover from the white list to the black list, it may be determined whether the number of handover failures of the network with the failed handover is greater than a threshold number; if the number of times is larger than the threshold value of times, deleting the network larger than the threshold value of times; if the number of times is smaller than the threshold number of times, the networks smaller than the threshold number of times are removed to a blacklist. In order to conveniently count the switching failure times of the networks, when the switching attempt failure occurs in each network, adding one to the switching failure times of each network; and when the situation that the switching attempt succeeds occurs to each network, clearing the switching failure times of each network.
For another example, before the network with the failed handover is removed from the white list to the black list, it may be determined whether the handover failure time of the network with the failed handover is greater than a time threshold; if the time threshold is larger than the time threshold, deleting the network larger than the time threshold; if the time threshold is smaller than the time threshold, the networks smaller than the time threshold are removed to a blacklist. In order to conveniently determine the switching failure time of the network, when the switching attempt of each network fails, the starting time point of each network is unchanged, so that the difference value between the current time and the starting time point is the switching failure time of each network; when the situation that the switching attempt is successful occurs in each network, the starting time point of each network is updated to the current time.
In order to better explain the network handover method of the present application, the following network handover embodiments are exemplified with reference to fig. 3:
A. the current network encounters a failure and is temporarily pulled into the blacklist.
B. And simultaneously starting other network modes in the white list, starting priority competition, listing the network mode with high priority as the currently used network mode, then starting to connect the server, if the current network is normal and starts to work normally, if the current network is still not connected for more than 120S, the network is also in fault, and is pulled into the black list, and the remaining network modes in the white list are started, and the process is not repeated.
C. If the blacklist is full (the white list has no network modes left), the current network mode is considered to have faults, the method waits 120S, then all the network modes are all unlisted, the network modes are polled in the sequence of wired > wireless >4G, the network modes are tried to be connected with the server, and the process B is repeated until the communication network is successfully switched to a network.
In addition, some optimization is performed on the 4G network mode, since 4G needs to pay a fee to an operator, if the current 4G mode is the 4G mode, a wired or wireless mode is tried to be used for connecting a network and accessing a server after 2 hours, if the mode is successful, the mode is switched to the non-4G network mode, if the mode is failed, the 4G internet access mode is continued, a timer is restarted, and the process is repeated after 2 hours.
The network switching method is generally implemented by a network switching device, and therefore, the present application also provides a network switching device. Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of a network switching device according to the present application. The network switching device 10 comprises a processor 12 and a memory 11; memory 11 is used to store program instructions for implementing the network switching methods described above, and processor 12 is used to execute the program instructions stored by memory 11. The network switching device may be an internet of things device.
The logic process of the network switching method is presented as a computer program, and in terms of the computer program, if it is sold or used as a stand-alone software product, it can be stored in a computer storage medium, so the present application proposes a readable storage medium. Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of a readable storage medium 20 of the present application, in which a computer program 21 is stored, and when the computer program is executed by a processor, the steps in the network handover method are implemented.
The readable storage medium 20 may be a medium that can store a computer program, such as a usb disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, or may also be a server that stores the computer program, and the server can send the stored computer program to another device for running or can run the stored computer program by itself. The readable storage medium 20 may be a combination of a plurality of entities from a physical point of view, for example, a plurality of servers, a server plus a memory, or a memory plus a removable hard disk.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.
Claims (10)
1. A method for network handover, the method comprising:
when the current network is detected to have a fault, determining whether a switchable network exists currently;
and if so, sequentially trying to switch the communication network to the switchable network from high priority to low priority until the communication network is successfully switched to the switchable network.
2. The method of claim 1, wherein the confirming whether a switchable network currently exists comprises:
confirming whether a network exists in the white list;
if the white list does not have a network, removing all networks in a black list into the white list, and taking the networks in the white list as switchable networks;
and if the white list has the network, taking the network in the white list as a switchable network.
3. The method of claim 2, wherein attempting to switch the communication network to the switchable network in order of priority from high to low until the communication network is successfully switched to a switchable network comprises:
sequentially attempting to switch the communication network to the switchable network from high priority to low priority, and adding the network which fails to be switched to the blacklist;
and when all the networks are in the blacklist, removing all the networks in the blacklist to the white list, taking the networks in the white list as switchable networks, and returning to the step of sequentially trying to switch the communication network to the switchable networks according to the priority from high to low.
4. The method of claim 3, wherein attempting to switch a communication network to the switchable network in order of priority size from high to low comprises:
determining whether a switchable network which can be connected to the switching attempt within a first preset time can be switched or not;
if the switchable network which is attempted to be switched cannot be connected within the first preset time, the switchable network which is attempted to be switched is a network which fails to be switched.
5. The method of claim 1, wherein the detecting that the current network has failed comprises:
sending a message to a server at regular time, and determining whether a reply of the server is received within a second preset time;
and if the reply of the server is not received, confirming that the current network fails.
6. The method of claim 1, wherein said until successful handover of the communication network to a switchable network, thereafter comprises:
and if the successfully switched network is the mobile communication network, trying to switch the communication network to other networks at intervals of third preset time until the communication network is successfully switched to other networks.
7. The method of claim 1, wherein the network comprises a wired network, a wireless network, and a mobile communication network,
the priority is from high to low: wired networks, wireless networks, and mobile communication networks.
8. The method of claim 1, wherein the network comprises a plurality of wireless networks;
the priority of the wireless networks is positively correlated with the communication quality of the wireless networks.
9. A network switching apparatus, comprising a memory and a processor; the memory has stored therein a computer program for execution by the processor to implement the steps of the method according to any one of claims 1-8.
10. A readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 8.
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| CN202010447857.3A CN111741503A (en) | 2020-05-25 | 2020-05-25 | Network switching method and related device thereof |
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| CN202010447857.3A CN111741503A (en) | 2020-05-25 | 2020-05-25 | Network switching method and related device thereof |
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| CN112911633A (en) * | 2021-02-08 | 2021-06-04 | 西南科技大学城市学院 | Network self-adaption method and system for heat pump unit control system |
| CN113467440A (en) * | 2021-06-09 | 2021-10-01 | 珠海云洲智能科技股份有限公司 | Navigation controller |
| CN116261207A (en) * | 2023-02-03 | 2023-06-13 | 深圳感臻智能股份有限公司 | Method, device and medium for realizing multi-network coexistence and switching |
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Application publication date: 20201002 |