CN104066129A - Network switching method and system - Google Patents
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- CN104066129A CN104066129A CN201410307469.XA CN201410307469A CN104066129A CN 104066129 A CN104066129 A CN 104066129A CN 201410307469 A CN201410307469 A CN 201410307469A CN 104066129 A CN104066129 A CN 104066129A
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Abstract
The invention discloses a network switching method. When a network switching request is received, a user equipment disconnects with a first network which is in connection currently and connects to a second network; based on a wireless communication environment provided by the second network, the user equipment sends a test data packet to a preset server; within a preset time interval, if the user equipment does not receive a feedback response data packet from the server based on the test data packet, the user equipment cuts off the communication connection with the second network and connects to the first network. The invention also discloses a network switching system. The method and the system ensure the stability of user equipment communication and improve the accuracy of user equipment network switching.
Description
Technical field
The present invention relates to network and switch field, relate in particular to method for switching network and system.
Background technology
Terminal is carried out network while switching, and generally, when the to be switched second network of access, closes the first network of current access simultaneously, and for example, mobile phone, when access of radio network, can disconnect being connected of current and mobile network.
Because the second network of the current access of terminal may not have active data, connect, and now first network is disconnected, causes terminal now cannot obtain real active data and connect, make the network of terminal switch not accurate enough.
Summary of the invention
Main purpose of the present invention is to solve terminal network and switches not accurate enough technical problem.
For achieving the above object, the invention provides a kind of method for switching network, method for switching network comprises the following steps:
When receiving network handover request, terminal disconnects the first network of current access, and accesses second network;
The wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server;
Within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, access described first network.
Preferably, the wireless communications environment that described terminal provides based on described second network, after default server sends the step that detects packet, described method for switching network comprises:
While receiving within a preset time interval the response data packet of described server based on described detection packet feedback, the second network of described terminal based on current access regularly sends and detects packet to described server;
Within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, access described first network.
Preferably, described within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, the step that accesses described first network comprises:
Within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal continues to send and detect packet to described server;
When the number of times that sends detection packet to described server is greater than pre-set threshold value, between described terminal disconnection and described second network, communicate to connect, access described first network.
Preferably, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, after accessing the step of described first network, described method for switching network comprises:
Described in described terminal label, second network is abnormal network and/or shows the information that described second network is invalid.
Preferably, the wireless communications environment that described terminal provides based on described second network, the step that sends detection packet to default server comprises:
When described second network is default network type, the wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server.
In addition, for achieving the above object, the present invention also proposes a kind of network switched system, and described network switched system comprises:
Network control module, for when receiving network handover request, disconnects the first network of current access, and accesses second network;
Sending module, for the wireless communications environment providing based on described second network, sends and detects packet to default server;
Described network control module is also within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, disconnect and described second network between communicate to connect, access described first network.
Preferably, described sending module is also when receiving within a preset time interval the response data packet of described server based on described detection packet feedback, and the second network based on current access regularly sends and detects packet to described server.
Preferably, described network control module comprises:
Transmitting element, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, continues to send and detect packet to described server;
Control unit, while being greater than pre-set threshold value for the number of times send detection packet to described server, communicates to connect between disconnection and described second network, accesses described first network.
Preferably, described network switched system also comprises:
Processing module, at described network control module, disconnect and described second network between communicate to connect, after accessing described first network, second network is abnormal network and/or shows the information that described second network is invalid described in mark.
Preferably, described sending module is also when being default network type at described second network, and the wireless communications environment that described terminal provides based on described second network, sends and detect packet to default server.
Method for switching network and system that the present invention proposes, when receiving network handover request, terminal disconnects the first network of current access, and access second network, and the wireless communications environment providing based on described second network, to default server, send and detect packet, whether abnormal to determine second network, and when second network is abnormal, between described terminal disconnection and described second network, communicate to connect, access described first network, when guaranteeing that the second network of terminal after switching is abnormal, switching to first network communicates, to guarantee the stability of terminal communication, improve the accuracy that terminal network switches.
Accompanying drawing explanation
Fig. 1 is method for switching network the first embodiment side schematic flow sheet of the present invention;
Fig. 2 is method for switching network the second embodiment side schematic flow sheet of the present invention;
Fig. 3 is the refinement schematic flow sheet of step S30 in Fig. 1 and Fig. 2;
Fig. 4 is method for switching network of the present invention the 3rd embodiment side schematic flow sheet
Fig. 5 is the high-level schematic functional block diagram of network switched system the first embodiment of the present invention;
Fig. 6 is the refinement high-level schematic functional block diagram of network control module in Fig. 5;
Fig. 7 is the high-level schematic functional block diagram of network switched system the second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of method for switching network.
With reference to Fig. 1, Fig. 1 is method for switching network the first embodiment side schematic flow sheet of the present invention.
The method for switching network that the present embodiment proposes, comprising:
Step S10, when receiving network handover request, terminal disconnects the first network of current access, and accesses second network;
In the present embodiment, terminal can be when detecting default second network, trigger network handover request, or have user's manual triggers network handover request, if user is by the control trigger network handover request in terminal.For example, first network is mobile network, the wireless network that second network provides for hotspot, terminal is when detecting hotspot, during trigger network handover request, disconnect the mobile network of current access, and the log-on message based on user input or the log-on message prestoring access this hotspot.
Step S20, the wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server;
Described terminal makes the communications status of second network detect by disconnecting first network more accurate, and this default server Ke You production firm arranges.The detection packet of this transmission can be handshake data bag, and server is confirmed packet to terminal feedback after receiving this handshake data bag.
Step S30, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, access described first network.
Terminal, within Preset Time interval, does not receive the response data packet of described server based on described detection packet feedback, illustrates that this second network breaks down, and for example the focus of current access breaks down.
It will be understood by those skilled in the art that, the accuracy of switching for improving network, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal shows selects interface, for user, based on described selection interface, selects whether to disconnect the communication connection with described second network; When receiving selection that user sends based on described selection interface and disconnect the request with the communication connection of described second network, described terminal disconnect and described second network between communication connection, access described first network.
The method for switching network that the present embodiment proposes, when receiving network handover request, terminal disconnects the first network of current access, and access second network, and the wireless communications environment providing based on described second network, to default server, send and detect packet, whether abnormal to determine second network, and when second network is abnormal, between described terminal disconnection and described second network, communicate to connect, access described first network, when guaranteeing that the second network of terminal after switching is abnormal, switching to first network communicates, to guarantee the stability of terminal communication, improve the accuracy that terminal network switches.
Further, the accuracy of switching for improving network, with reference to Fig. 2, proposes method for switching network the second embodiment of the present invention based on the first embodiment, and in the present embodiment, after described step S20, described method for switching network comprises:
Step S40, while receiving within a preset time interval the response data packet of described server based on described detection packet feedback, the first network of described terminal based on current access regularly sends and detects packet to described server;
Step S30, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, access described first network.
In the present embodiment, in terminal, based on second network, carry out in data connection procedure, may occur the situation that second network is abnormal or lost efficacy, cause data connection failure.Therefore, in terminal, based on second network, carry out in data connection procedure, whether terminal regularly sends and detects packet to described server, abnormal to determine second network.It will be appreciated by persons skilled in the art that for comparatively stable network and can regularly to described server, send and detect packet.
Further, for further improving the accuracy that network switches, with reference to Fig. 3, in method for switching network the first embodiment of the present invention and the second embodiment, described step S30 comprises:
Step S31, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal continues to send and detect packet to described server;
Step S32, when the number of times that sends detection packet to described server is greater than pre-set threshold value, communicates to connect between described terminal disconnection and described second network, accesses described first network.
In the present embodiment, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, may there is the unsettled situation of second network, be not that second network lost efficacy, now, can continue to send and detect packet to described server, and when the number of times that sends detection packet to described server is greater than pre-set threshold value, determine that second network lost efficacy, now between described terminal disconnection and described second network, communicate to connect, access described first network.
Further, the accuracy of switching for improving network, with reference to Fig. 4, proposes method for switching network of the present invention the 3rd embodiment based on the first and second embodiment, and in the present embodiment, after described step S30, described method for switching network comprises:
Step S50, second network is abnormal network and/or shows the information that described second network is invalid described in described terminal label.
In the present embodiment, described in mark, second network is that abnormal network can be realized by adding tagged mode, terminal is when searching second network, determine whether second network has abnormal marking, when second network has abnormal marking, continue other network of search, when the second network searching does not have abnormal marking, trigger network handover request, accesses described second network and disconnects first network; Or described in mark, second network is that abnormal network can be by being added into second network sign (as hotspot name) in invalid network data table, terminal is when searching second network, determine second network whether with described invalid network data table in invalid net mate, during invalid net mate in second network and described invalid network data table, continue other network of search, at second network when invalid network in described invalid network data table does not mate, trigger network handover request, accesses described second network and disconnects first network.
When second network described in mark is abnormal network, can show the information that described second network is invalid, or only show the information that described second network is invalid, with the parameter adjustment of pointing out user to carry out second network, or maintenance etc.
Further, be to reduce overhead, described step S20 comprises step: when described second network is default network type, the wireless communications environment that described terminal provides based on described second network, sends and detect packet to default server.
It will be understood by those skilled in the art that, this default network type can be jitter network (as signal off and on, or terminal is different with respect to the position of signal source, and network signal intensity is not equal), as the network of WLAN (wireless local area network) or preset name.During the network that is signal stabilization at second network (as mobile network), can be after access second network, need not send detection packet, directly based on described second network, communicate, and during the network that is jitter at second network, the wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server.For example, mobile phone, when current network is switched to WIFI network by mobile network, because the signal of WIFI network is stable not,, after access WIFI network, sends and detects packet to server based on this WIFI network; Mobile phone, when current network is switched to mobile network by WIFI network, because mobile network signals is more stable,, after access to mobile network, directly carries out data connection based on this mobile network, and need not send detection packet again.
The present invention further provides a kind of network switched system.
With reference to Fig. 5, Fig. 5 is the high-level schematic functional block diagram of network switched system the first embodiment of the present invention.
The network switched system that the present embodiment proposes, comprising:
Network control module 10, for when receiving network handover request, disconnects the first network of current access, and accesses second network;
In the present embodiment, terminal can be when detecting default second network, trigger network handover request, or have user's manual triggers network handover request, if user is by the control trigger network handover request in terminal.For example, first network is mobile network, the wireless network that second network provides for hotspot, terminal is when detecting hotspot, trigger network handover request, network control module 10, when receiving network handover request, disconnects the mobile network of current access, and the log-on message based on user input or the log-on message prestoring access this hotspot.
Sending module 20, for the wireless communications environment providing based on described second network, sends and detects packet to default server;
Network control module 10 makes the communications status of second network detect by disconnecting first network more accurate, and this default server Ke You production firm arranges.The detection packet of this transmission can be handshake data bag, and server is confirmed packet to terminal feedback after receiving this handshake data bag.
Described network control module 10 is also within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, disconnect and described second network between communicate to connect, access described first network.
Within Preset Time interval, do not receive the response data packet of described server based on described detection packet feedback, illustrate that this second network breaks down, for example the focus of current access breaks down.
It will be understood by those skilled in the art that, the accuracy of switching for improving network, described network control module 10 is also within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, show to select interface, for user, based on described selection interface, select whether to disconnect the communication connection with described second network; When receiving selection that user sends based on described selection interface and disconnect the request with the communication connection of described second network, disconnect and described second network between communication connection, access described first network.
The network switched system that the present embodiment proposes, when receiving network handover request, network control module disconnects the first network of current access, and access second network, the wireless communications environment that sending module provides based on described second network, to default server, send and detect packet, whether abnormal to determine second network, and when second network is abnormal, between network control module disconnection and described second network, communicate to connect, access described first network, when guaranteeing that the second network of terminal after switching is abnormal, switching to first network communicates, to guarantee the stability of terminal communication, improve the accuracy that terminal network switches.
Further, the accuracy of switching for improving network, at network switched system the first embodiment of the present invention, described sending module 20 is also when receiving within a preset time interval the response data packet of described server based on described detection packet feedback, and the first network based on current access regularly sends and detects packet to described server.
In the present embodiment, in terminal, based on second network, carry out in data connection procedure, may occur the situation that second network is abnormal or lost efficacy, cause data connection failure.Therefore, in terminal, based on second network, carry out in data connection procedure, whether sending module 20 regularly sends and detects packet to described server, abnormal to determine second network.What it will be appreciated by those skilled in the art that makes, and for comparatively stable network, can regularly to described server, send and detect packet.
Further, for further improving the accuracy that network switches, with reference to Fig. 6, in network switched system the first embodiment of the present invention, described network control module 10 comprises:
Transmitting element 11, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, continues to send and detect packet to described server;
Control unit 12, while being greater than pre-set threshold value for the number of times send detection packet to described server, communicates to connect between disconnection and described second network, accesses described first network.
In the present embodiment, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, may there is the unsettled situation of second network, be not that second network lost efficacy, now, transmitting element 11 can continue to send and detect packet to described server, and when the number of times that sends detection packet to described server is greater than pre-set threshold value, determine that second network lost efficacy, between now control unit 12 disconnections and described second network, communicate to connect, access described first network.
Further, the accuracy of switching for improving network, with reference to Fig. 7, proposes network switched system the second embodiment of the present invention based on the first embodiment, and in the present embodiment, described network switched system also comprises:
Processing module 30, at described network control module, disconnect and described second network between communicate to connect, after accessing described first network, second network is abnormal network and/or shows the information that described second network is invalid described in mark.
In the present embodiment, described in processing module 30 marks, second network is that abnormal network can be realized by adding tagged mode, search module is when searching second network, determine whether second network has abnormal marking, when second network has abnormal marking, continue other network of search, when the second network searching does not have abnormal marking, trigger network handover request, the network control module 10 described second networks of access also disconnect first network, or described in mark, second network is that abnormal network can be by being added into second network sign (as hotspot name) in invalid network data table, search module is when searching second network, determine second network whether with described invalid network data table in invalid net mate, during invalid net mate in second network and described invalid network data table, continue other network of search, at second network when invalid network in described invalid network data table does not mate, trigger network handover request, the network control module 10 described second networks of access also disconnect first network.
Processing module 30 is when second network described in mark is abnormal network, can show the information that described second network is invalid, or only show the information that described second network is invalid, with the parameter adjustment of pointing out user to carry out second network, or maintenance etc.
Further, for reducing overhead, in network switched system the first and second embodiment of the present invention, described sending module 20 is also when being default network type at described second network, the wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server.
It will be understood by those skilled in the art that, this default network type can be jitter network (as signal off and on, or terminal is different with respect to the position of signal source, and network signal intensity is not equal), as the network of WLAN (wireless local area network) or preset name.During the network that is signal stabilization at second network (as mobile network), can be after access second network, need not send detection packet, directly based on described second network, communicate, and the network that is jitter at second network, the wireless communications environment that described sending module 20 provides based on described second network, sends and detects packet to default server.For example, mobile phone, when current network is switched to WIFI network by mobile network, because wireless network signal is unstable,, after access WIFI network, sends and detects packet to server based on this WIFI network; Mobile phone, when current network is switched to mobile network by WIFI network, because mobile network signals is stable,, after access to mobile network, directly carries out data connection based on this mobile network, and need not send detection packet again.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the system that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the system that comprises this key element and also have other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add essential general hardware platform by software and realize, can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprise that some instructions are with so that a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a method for switching network, is characterized in that, described method for switching network comprises the following steps:
When receiving network handover request, terminal disconnects the first network of current access, and accesses second network;
The wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server;
Within a preset time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, access described first network.
2. method for switching network as claimed in claim 1, is characterized in that, the wireless communications environment that described terminal provides based on described second network, and after default server sends the step that detects packet, described method for switching network comprises:
While receiving within a preset time interval the response data packet of described server based on described detection packet feedback, the second network of described terminal based on current access regularly sends and detects packet to described server;
Within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal disconnect and described second network between communicate to connect, access described first network.
3. method for switching network as claimed in claim 1 or 2, it is characterized in that, described within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, between described terminal disconnection and described second network, communicate to connect, the step that accesses described first network comprises:
Within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, described terminal continues to send and detect packet to described server;
When the number of times that sends detection packet to described server is greater than pre-set threshold value, between described terminal disconnection and described second network, communicate to connect, access described first network.
4. method for switching network as claimed in claim 1, it is characterized in that, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, between described terminal disconnection and described second network, communicate to connect, after accessing the step of described first network, described method for switching network comprises:
Described in described terminal label, second network is abnormal network and/or shows the information that described second network is invalid.
5. method for switching network as claimed in claim 1, is characterized in that, the wireless communications environment that described terminal provides based on described second network, and the step that sends detection packet to default server comprises:
When described second network is default network type, the wireless communications environment that described terminal provides based on described second network, sends and detects packet to default server.
6. a network switched system, is characterized in that, described network switched system comprises:
Network control module, for when receiving network handover request, disconnects the first network of current access, and accesses second network;
Sending module, for the wireless communications environment providing based on described second network, sends and detects packet to default server;
Described network control module is also within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, disconnect and described second network between communicate to connect, access described first network.
7. network switched system as claimed in claim 6, it is characterized in that, described sending module is also when receiving within a preset time interval the response data packet of described server based on described detection packet feedback, and the second network based on current access regularly sends and detects packet to described server.
8. the network switched system as described in claim 6 or 7, is characterized in that, described network control module comprises:
Transmitting element, within Preset Time interval, while not receiving the response data packet of described server based on described detection packet feedback, continues to send and detect packet to described server;
Control unit, while being greater than pre-set threshold value for the number of times send detection packet to described server, communicates to connect between disconnection and described second network, accesses described first network.
9. network switched system as claimed in claim 6, is characterized in that, described network switched system also comprises:
Processing module, at described network control module, disconnect and described second network between communicate to connect, after accessing described first network, second network is abnormal network and/or shows the information that described second network is invalid described in mark.
10. network switched system as claimed in claim 6, it is characterized in that, described sending module is also when being default network type at described second network, and the wireless communications environment that described terminal provides based on described second network, sends and detect packet to default server.
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