CN103024874A - Method and device for selecting network access - Google Patents
Method and device for selecting network access Download PDFInfo
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- CN103024874A CN103024874A CN201110281882XA CN201110281882A CN103024874A CN 103024874 A CN103024874 A CN 103024874A CN 201110281882X A CN201110281882X A CN 201110281882XA CN 201110281882 A CN201110281882 A CN 201110281882A CN 103024874 A CN103024874 A CN 103024874A
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Abstract
The invention provides a method and device for selecting network access. When a terminal is in network connection with multiple networks, the link routing of networks with non-highest network link priorities among the connected networks can be deleted from a routing table, and the terminal has an access to a network with the highest network link priority among the connected networks, thus, the routing is controlled to select the accessed networks. Therefore, the speed of network selection is improved, and the rapid selection of the terminal to the networks is realized.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of method and device of selecting network insertion.
Background technology
WLAN (wireless local area network) (WLAN, Wireless Local Area Network) is a kind of short-distance wireless communication technology as bluetooth, but wider than bluetooth coverage, transfer of data is faster, and transmission rate can reach 300Mbps now.Wireless Fidelity among the WLAN (WIFI, Wireless Fidelity) technology is the another name of IEEE802.11 related protocol, is widely used at present various terminal equipments, such as mobile phone, notebook, panel computer etc., has progressively become a kind of standard configuration.
Cellular mobile communication networks, TD SDMA (TD-SCDMA such as now extensive use, Time Division-Synchronous Code Division Multiple Access), Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division Multiple Access), code division multiple access (CDMA, Code Division Multiple Access) network such as, the network application of wide covering, high mobility can be provided, but message transmission rate is lower, can not satisfy user's highspeed network applications demand.
As replenishing of cellular mobile communication technology, can utilize the characteristics of WLAN high speed data transfer to remedy the deficiency of honeycomb Mobile data transmission rate.And the characteristic that cellular mobile network covers extensively, mobility is strong can be used as wlan network owing to the impact of the various factorss such as coverage, interference, unusually disconnection occurs easily connecting, connects unsettled additional project.
Therefore, how to realize that portable terminal selects access to become a problem demanding prompt solution rapidly between WLAN and cellular mobile network.
Summary of the invention
The embodiment of the invention provides a kind of method and device of selecting network insertion, to realize the quick selection access of portable terminal between network.
A kind of method of selecting network insertion, the method comprises:
Determine at least two networks of terminal support access, and initiate network connection to described at least two networks of determining;
At least two networks of network connection success till determining to end for first moment;
According to predefined network linking priority, the link route of network linking priority the highest non-network in the network of successful connection till the deletion cut-off first constantly in routing table;
The highest network of network linking priority in the network of successful connection till the access cut-off first constantly.
A kind of device of selecting network insertion, this device comprises:
Network connecting module is used at least two networks that definite terminal support accesses, and initiates network connection to described at least two networks of determining;
The first determination module, at least two networks of network connection success till being used for determining to end for first moment;
Routing selecting module is used for according to predefined network linking priority, the link route of network linking priority the highest non-network in the network of successful connection till the deletion cut-off first constantly in routing table;
Access module is for the highest network of network network linking priority of successful connection till the access cut-off first constantly.
A kind of terminal comprises the device of above-mentioned selection network insertion.
The scheme that provides according to the embodiment of the invention, when terminal and a plurality of network have been set up network connection, can set up by deletion in routing table the link route of the highest non-network of network linking priority in the network that connects, the terminal access has been set up the network that network linking priority is the highest in the network that is connected with it, thereby by the control to route, realize the selection of access network, select speed thereby improve network, realize the quick selection of terminal between network.
Description of drawings
The flow chart of steps of the method for the selection network insertion that Fig. 1 provides for the embodiment of the invention one;
The flow chart of steps of the method for the selection network insertion that Fig. 2 provides for the embodiment of the invention two;
The terminal that Fig. 3 provides for the embodiment of the invention two is initiated wlan network and is connected the schematic diagram that is connected with cellular network;
The structural representation of the device of the selection network insertion that Fig. 4 provides for the embodiment of the invention three.
Embodiment
For the problem that can't realize the quick selection of terminal between network in the prior art, in the embodiment of the invention, under multimode terminal is in multi-network environment, when having set up data link with a plurality of networks, provide a kind of method of carrying out Route Selection by terminal.The scheme that provides according to the embodiment of the invention, when a data link fails, can by the method for route stand-by recovery, move to rapidly another data link, in the unidirectional switching that solves data link, can also further realize the mutual switching between the data link.
Below in conjunction with Figure of description and each embodiment the present invention program is described.
Embodiment one,
The embodiment of the invention one provides a kind of method of selecting network insertion, and the steps flow chart of the method comprises as shown in Figure 1:
In the present embodiment, described terminal is multimode terminal, this terminal supports to access two networks at least, and can set this terminal and be under the multi-network environment, in order to select the network of terminal access, in this step, need to determine the network of terminal support access, comprise wlan network, TD-SCDMA network, GSM network and cdma network such as the network that can suppose terminal support access.
In this step, can initiate network connection at least two networks determining.Concrete, when needs connect wlan network, can the continuous sweep wlan network, more excellent, can the timing scan wlan network, when time signal value of N continuous at least greater than the connect threshold R that sets, and when last signal value Rn is not less than in the described at least N continuous time second from the bottom signal value Rn-1 in the described at least N continuous time, initiates wlan network and connect.
The network of network connection success till step 103, the definite cut-off first constantly.
When the network of network connection success only has one till determining cut-off first constantly, can directly access this network, and redirect execution in step 105.During at least two on the network of network connection success till determining cut-off first constantly, can continue execution in step 104.
The highest network of network linking priority in the network of successful connection till step 104, the access cut-off first constantly.
This step specifically comprises: according to predefined network linking priority, the link route of network linking priority the highest non-network in the network of successful connection till the deletion cut-off first constantly in routing table, the highest network of network linking priority in the network of successful connection till the access cut-off first constantly.
Concrete, when definite network linking priority, can determine according to network transmission speed priority and link dynamic priority the network linking priority of the cellular network of various standards, as determine the network linking priority of the cellular network of various standards according to the product of network transmission speed priority and link dynamic priority, wherein, can determine described network transmission speed priority according to network transmission speed, and can determine described link dynamic priority according to the ratio of the unusual number of times of network connection total degree connected to the network.
So far, by the configuration of route, realized the fast network selection of multimode terminal under multi-network environment.
At at least two networks of described terminal support access not all during successful connection, in order to guarantee that terminal can access optimum network, guarantee professional carrying out smoothly in the terminal, after the network that network linking priority is the highest in the network of successful connection till the access cut-off first constantly, can also scan the network of network situation of not successful connection, more excellent, can adopt the mode of timing scan to scan, and initiate network connection to the network of not successful connection.
Certainly, when the network of not successful connection is wlan network, can the continuous sweep wlan network, at the signal value of determining the wlan network that N continuous at least time scans greater than the connect threshold of setting, and when the last signal value in the described at least N continuous time signal value is not less than in the described at least N continuous time signal value second from the bottom time signal value, initiate network connection to wlan network.
This step comprises: judge whether the network of network link priority that has accessed is higher than the network of described second moment successful connection, if be higher than, then in routing table, delete the link route of the network of described second moment successful connection, otherwise, deletion described second constantly plays the link route of the highest non-network of network linking priority in the network of successful connection in routing table, and in routing table the link route of the network that accessed of deletion, and access described second and constantly play the highest network of network linking priority in the network of successful connection.
Certainly, in step 104 and step 107, can be with link route backup to be deleted to internal memory, so that follow-up (after the step 104 or after the step 107) can be directly from internal memory with the link route recovery of deleting, fast quick-recovery by route, so that when the network of terminal access breaks down, can switch to fast other networks and access.
Concrete, after accessing terminal to network, if the signal quality of the network of terminal access is lower than the threshold value of setting, when network connection relatively poor such as the network signal quality of this access or this access disconnects unusually, can determine network linking priority time high network in the network of successful connection, the link route of the network that accessed of deletion in routing table, and the link route recovery of the network backup that this network linking priority is time high accesses this network linking priority time high network to routing table.
Be lower than the threshold value of setting at the signal quality that causes this network owing to the network signal quality of access is relatively poor, when terminal is linked into the inferior high network of network linking priority from this network switching, also can timing scan switch front network of network situation, and when the signal quality of determining this network was not less than the threshold value of setting, switching was linked into this network again.Cause the signal quality of this network to be lower than the threshold value of setting in the unusual disconnection of network connection owing to access, when terminal is linked into the inferior high network of network linking priority from this network switching, method according to present embodiment provides can re-execute step 105～step 107.
Be elaborated below by the scheme of a concrete example to the embodiment of the invention one.Concrete, in embodiment two, with terminal support access wlan network and cellular network, the method that terminal is selected between wlan network and cellular network fast is that example describes.In embodiment two, the network linking priority that can set wlan network is higher than cellular network, and the cellular network that can set terminal support access among the embodiment two comprises TD-SCDMA network, GSM network and cdma network, the cellular network of various standards can be considered as a kind of network, namely can be considered as two kinds of networks of terminal support access: wlan network and cellular network.
Embodiment two,
The embodiment of the invention two provides a kind of method of selecting network insertion, and the steps flow chart of the method comprises as shown in Figure 2:
Concrete, as shown in Figure 3, open UI after, detect the link connection situation, if the WLAN link exists, UI shows that WLAN connects, the cellular network link connection is initiated on the backstage; If the cellular network link exists, UI shows that cellular network connects, and the WLAN link connection is initiated on the backstage; If there is not link connection, then initiates simultaneously WLAN and connect and the cellular network link connection.
In this step, can set all successful connections of wlan network and cellular network.In the present embodiment, the cellular network successful connection can refer to the network connection success of at least a standard that the cellular network setting comprises.Certainly, the cellular network successful connection also can refer to the equal successful connection of network of each standard that the cellular network setting comprises.
If all successful connections of wlan network and cellular network in the step 202, then UI shows that WLAN connects in this step, and cellular network linked route backup, concrete, can back up in the file of internal memory or setting, and the deletion cellular network links route from routing table, reaching connecting link also exists, but the link lost route, terminal access wlan network shows consistent with UI.
If in the step 202, wlan network is connected a side to connect success with cellular network, then after step 202, terminal can redirect execution in step 204, the network that cellular network is set at least a standard comprise during successful connection, can not continue execution in step 204 yet after step 203.And as shown in Figure 3, when terminal is connected a side to connect not success at wlan network with cellular network, constantly initiate the connection to this network:
If in the step 202, the wlan network successful connection, then UI shows that WLAN connects in this step, terminal access wlan network, and at backstage initiation cellular network link connection, in case successful connection, back up immediately cellular network link route, and deletion cellular network link route.
If in the step 202, the cellular network successful connection, then UI shows that cellular network connects in this step, terminal access cellular network, and at backstage initiation wlan network link connection, in case cellular network link route is backed up in successful connection immediately, and deletion cellular network link route, UI shows that wlan network connects, and reaches the cellular network connecting link and also exists, but the link lost route makes terminal access wlan network.
When in cellular network, setting the equal successful connection of network of at least two kinds of standards that comprise, can determine that the network of network of various standards in the cellular network links priority according to network transmission speed priority and link dynamic priority.Wherein, can determine described network transmission speed priority according to network transmission speed, transmission rate is larger, and can to set transmission rate priority higher.Transmission rate can be divided into different grades, and represent with natural number respectively, and can set the larger higher grade of natural number, transmission rate priority is higher.Can determine described link dynamic priority according to the ratio of the unusual number of times of network connection total degree connected to the network, the link dynamic priority can represent with parameter P, the unusual number of times of P=network connection/network connection total degree then, this ratio more I are higher to set the link dynamic priority.Certainly, also this ratio can be divided into different grades, and represent with natural number respectively, and can set the larger higher grade of natural number, the link dynamic priority is higher.And can determine according to the product of network transmission speed priority and link dynamic priority the network linking priority of the cellular network of various standards, more macroreticular link priority is higher for product.
Terminal access cellular network can refer in the cellular network of the various standards of successful connection, the highest network of access network link priority.As when TD-SCDMA network and the equal successful connection of GSM network, if TD-SCDMA network of network link priority is higher than the GSM network, in this step, terminal can access the TD-SCDMA network, and can and delete from routing table the link route backup of GSM network.And when the wlan network successful connection, with the link route backup of TD-SCDMA network and from routing table, delete the access wlan network.
Certainly, if in the step 202, although the equal successful connection of wlan network and cellular network, but the network that cellular network is set at least a standard comprise is not during successful connection, can show at the UI of step 203 record in this step that then WLAN connects, terminal access wlan network, cellular network link route backup with the successful connection standard, and from routing table, delete on the basis of this link route, initiate the link connection of the cellular network of not successful connection standard on the backstage, in case the cellular network link route of this standard is backed up in successful connection immediately, and deletes this link route in routing table.
The signal quality of the network of step 205, definite access.
This step can be to carry out after step 203 or after step 204.
After access network, can judge the signal quality of the network of access, so that the network signal quality of this access is relatively poor or the network connection of this access when unusually disconnecting, can reselect network insertion, guarantee smooth execution professional in the terminal.
Concrete, when the signal quality that can be set in the network of terminal access is lower than the threshold value of setting, determine that terminal need to reselect network and access.
Quick switching in order to ensure network, when definite terminal need to reselect network and accesses, can determine network linking priority time high network in the network of successful connection, namely except the network of access, the network that network linking priority is the highest, the link route of the network that accessed of deletion in routing table, and the link route recovery of the network backup that this network linking priority is time high accesses this network linking priority time high network to routing table.
As shown in Figure 3, when the wlan network of access disconnects unusually, can access cellular network, and timing scan wlan network, when time signal value of N continuous at least greater than the connect threshold R that sets, and when last signal value Rn was not less than in the described at least N continuous time second from the bottom signal value Rn-1 in the described at least N continuous time, terminal was initiated wlan network and is connected.
The scheme that provides according to the embodiment of the invention one and embodiment two, not only can guarantee the fast network selection of multimode terminal under multi-network environment, can also be at least two networks of described terminal support access not all during successful connection, continue scan for networks and carry out network connection, reselecting network accesses, guarantee that terminal can access optimum network, guarantees smooth execution professional in the terminal.Simultaneously, by the link route backup that will delete in the routing table method to internal memory, the link route of backup can be returned to routing table (time can reach Millisecond) fast, when the network of guaranteeing terminal access breaks down, can switch to fast other networks and access.
With the embodiment of the invention one and embodiment two based on same inventive concept, following device is provided.
Embodiment three,
The embodiment of the invention three provides a kind of device of selecting network insertion, and the structural representation of this device comprises as shown in Figure 4:
Described device also comprises the second determination module 15:
The second determination module 15 is used for determining that second plays the network of successful connection constantly;
Routing selecting module 13 is used for also judging whether the network of network link priority that has accessed is higher than the network of network link priority of described second a constantly successful connection, if be higher than, then in routing table, delete the link route of the network of described second moment successful connection, otherwise, deletion described second constantly plays the link route of the highest non-network of network linking priority in the network of successful connection in routing table, and the link route of the network that deletion has accessed in routing table;
The network of network link priority that access module 14 also is used for having accessed is lower than described second when constantly playing at least one network of network of successful connection, accesses described second and constantly plays the highest network of network linking priority in the network of successful connection.
Described device also comprises backup module 16, the 3rd determination module 17 and route recovery module 18, wherein:
The link route backup that backup module 16 is used for deleting is to internal memory;
If the 3rd determination module 17 is used for the threshold value that the signal quality of the network of access is lower than setting, determine network linking priority time high network in the network of successful connection;
When the signal quality that routing selecting module 13 also is used for the network of access is lower than the threshold value of setting, the link route of the network that deletion has accessed in routing table;
Described device can be integrated in the terminal, and namely terminal can have each functional module of installing described in the present embodiment, and carries out corresponding function.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. method of selecting network insertion is characterized in that the method comprises:
Determine at least two networks of terminal support access, and initiate network connection to described at least two networks of determining;
At least two networks of network connection success till determining to end for first moment;
According to predefined network linking priority, the link route of network linking priority the highest non-network in the network of successful connection till the deletion cut-off first constantly in routing table;
The highest network of network linking priority in the network of successful connection till the access cut-off first constantly.
2. the method for claim 1, it is characterized in that, not all during successful connection, after the network that network linking priority is the highest in the network of successful connection till the access cut-off first constantly, described method also comprises at least two networks of described terminal support access:
Scan the network of network situation of not successful connection, and initiate network connection to the network of not successful connection;
Determine that second plays the network of successful connection constantly;
Judge whether the network of network link priority that has accessed is higher than the described second network of network that constantly plays successful connection and links priority, if be higher than, then in routing table, delete the link route of the network of described second moment successful connection, otherwise, deletion described second constantly plays the link route of the highest non-network of network linking priority in the network of successful connection in routing table, and in routing table the link route of the network that accessed of deletion, and access described second and constantly play the highest network of network linking priority in the network of successful connection.
3. method as claimed in claim 1 or 2 is characterized in that,
With the deletion the link route backup to internal memory;
After the access network, described method also comprises:
If the signal quality of network of access is lower than the threshold value of setting, determine network linking priority time high network in the network of successful connection;
The link route of the network that accessed of deletion in routing table, and will be for the link route recovery of time high network backup of this network linking priority to routing table;
Access this network linking priority time high network.
4. the method for claim 1 is characterized in that, determines network of network link priority, comprising:
Determine network transmission speed priority according to network transmission speed, determine the link dynamic priority according to the ratio of the unusual number of times of network connection total degree connected to the network;
According to the product of network transmission speed priority and link dynamic priority, determine network of network link priority.
5. method as claimed in claim 2 is characterized in that, when the network of not successful connection is wlan network, scans the network of network situation of not successful connection, and initiates network connection to the network of not successful connection, specifically comprises:
The continuous sweep wlan network, determining that the inferior signal value that scans of N continuous is greater than the connect threshold of setting at least, and when the last signal value in the described at least N continuous time signal value is not less than in the described at least N continuous time signal value second from the bottom time signal value, initiate network connection to wlan network.
6. a device of selecting network insertion is characterized in that, this device comprises:
Network connecting module is used at least two networks that definite terminal support accesses, and initiates network connection to described at least two networks of determining;
The first determination module, at least two networks of network connection success till being used for determining to end for first moment;
Routing selecting module is used for according to predefined network linking priority, the link route of network linking priority the highest non-network in the network of successful connection till the deletion cut-off first constantly in routing table;
Access module is for the highest network of network network linking priority of successful connection till the access cut-off first constantly.
7. device as claimed in claim 6 is characterized in that,
Network connecting module also is used for, scanning the network of network situation of not successful connection, and initiating network connection to the network of not successful connection not all during successful connection at least two networks of described terminal support access;
Described device also comprises the second determination module:
The second determination module is used for determining that second plays the network of successful connection constantly;
Routing selecting module, be used for also judging whether the network of network link priority that has accessed is higher than the network of network link priority of described second a constantly successful connection, if be higher than, then in routing table, delete the link route of the network of described second moment successful connection, otherwise, deletion described second constantly plays the link route of the highest non-network of network linking priority in the network of successful connection in routing table, and the link route of the network that deletion has accessed in routing table;
Access module, the network of network link priority that also is used for having accessed are lower than described second when constantly playing at least one network of network of successful connection, access described second and constantly play the highest network of network linking priority in the network of successful connection.
8. device as claimed in claim 6 is characterized in that, described device also comprises backup module, the 3rd determination module and route recovery module, wherein:
Backup module, the link route backup that is used for deleting is to internal memory;
The 3rd determination module if be used for the threshold value that the signal quality of the network of access is lower than setting, is determined network linking priority time high network in the network of successful connection;
Routing selecting module, when the signal quality that also is used for the network of access is lower than the threshold value of setting, the link route of the network that deletion has accessed in routing table;
The route recovery module, being used for will be for the link route recovery of time high network backup of described network linking priority to routing table;
Access module also is used for this network linking priority of access time high network.
9. device as claimed in claim 7 is characterized in that,
Network connecting module, concrete being used for when the network of not successful connection is wlan network, the continuous sweep wlan network, at the signal value of determining the wlan network that N continuous at least time scans greater than the connect threshold of setting, and when the last signal value in the described at least N continuous time signal value is not less than in the described at least N continuous time signal value second from the bottom time signal value, initiate network connection to wlan network.
10. a terminal is characterized in that, this terminal comprises such as the described device of the arbitrary claim of claim 6～9.
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| CN105517078A (en) * | 2015-11-20 | 2016-04-20 | 小米科技有限责任公司 | Network connection switching method and device |
| CN108259464A (en) * | 2016-12-29 | 2018-07-06 | 现代自动车株式会社 | Wireless data exchange system and its control method in vehicle |
| CN108259464B (en) * | 2016-12-29 | 2022-01-14 | 现代自动车株式会社 | In-vehicle wireless data exchange system and control method thereof |
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| CN108989069B (en) * | 2017-05-31 | 2022-11-15 | 中兴通讯股份有限公司 | Network link detection method, electronic equipment and computer storage medium |
| CN110278152A (en) * | 2018-08-31 | 2019-09-24 | 新华三信息安全技术有限公司 | A kind of method and device for establishing fast-forwarding table |
| CN110278152B (en) * | 2018-08-31 | 2020-05-29 | 新华三信息安全技术有限公司 | Method and device for establishing fast forwarding table |
| US11646976B2 (en) | 2018-08-31 | 2023-05-09 | New H3C Security Technologies Co., Ltd. | Establishment of fast forwarding table |
| CN111194061A (en) * | 2019-12-26 | 2020-05-22 | 北京悦航天翼电子信息技术有限公司 | Heterogeneous network high-performance switching method applied to airborne broadband communication |
| CN114727360A (en) * | 2020-12-22 | 2022-07-08 | 深圳Tcl新技术有限公司 | Network connection equipment management method, device, terminal equipment and storage medium |
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