CN104254063B - Cut-in method, system and the terminal of optimum roaming list are updated based on WIFI - Google Patents
Cut-in method, system and the terminal of optimum roaming list are updated based on WIFI Download PDFInfo
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- CN104254063B CN104254063B CN201310265162.3A CN201310265162A CN104254063B CN 104254063 B CN104254063 B CN 104254063B CN 201310265162 A CN201310265162 A CN 201310265162A CN 104254063 B CN104254063 B CN 104254063B
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Abstract
The invention discloses a kind of cut-in method, system and terminals updating optimum roaming list based on WIFI.This method includes：Whether the current mobile network that terminal recognition is located at can access；It not can access in response to the current mobile network that terminal is located at, the ownership place optimum roaming list PRL servers of terminal and terminal establish WIFI network connection；It is connected by WIFI network, terminal downloads the newest PRL information that ownership place PRL servers possess user from ownership place PRL servers；Terminal utilizes newest PRL information, the PRL information of the user of update subscriber identification module UIM cards storage；Update operation is completed in response to UIM cards, terminal is according to newest PRL information access current mobile network.Technical solution provided by the invention improves the rate that is successfully accessed of the mobile network on user's access roaming ground, user-friendly roaming place mobile network service.
Description
Technical field
The present invention relates to mobile communication field, more particularly to a kind of access side updating optimum roaming list based on WIFI
Method, system and terminal.
Background technology
In the practical application to mobile network, the user terminal that mobile subscriber uses may be frequently necessary in country variant
Or it is roamed between the network of different operators.With the increasingly increasing of population in the world mobility to increasingly sharpen with commercial exchange
It is more, by signing roaming agreement between different mobile operator, enable to belong to the mobile subscriber of oneself the whole world as far as possible
Mobile service is enjoyed in more areas, to attract more users, is increased enterprise operation income, is improved the competition of operator itself
Power.
In CDMA（Code Division Multiple Access, CDMA）In system, in order to realize different operations
Roaming between quotient, user terminal need to preserve optimum roaming list（Preferred Roaming List, PRL）, the list
In be stored with the user allow roaming network related information.At present for the user terminal of separation between machine and card, PRL updates are to pass through
User terminal actively sends the SMS to PRL servers and obtains newest PRL short messages, then updates PRL short messages onto smart card, example
Such as subscriber identification module（User Identify Module, UIM）In specified PRL files.User terminal is carrying out international overflow
You Shi, the PRL information of terminal reading and saving from card decide whether that access is unrestrained according to the network related information of optimum roaming list
Swim network.
Shown in Figure 1, Fig. 1 shows the flow diagram of the terminal access control based on PRL in the prior art.Such as Fig. 1
It is shown：
Step 1, terminal is initiated to obtain PRL requests to UIM cards；
Step 2, it is responded by the PRL returned from UIM cards, obtains PRL；
Step 3, available in PRL, network registration request is initiated to the network equipment, with access roaming network；
Step 4, the register response instruction network of the network equipment is available, and terminal will successfully be registered in roaming network.
However, when the optimum roaming list that user terminal obtains does not have the relevant information of current roaming network, or occur
The network informations of the PRL comprising unsigned roaming agreement, PRL format mismatchings, PRL file corruptions and lead to the not available feelings of PRL
Under condition, the register response of the network equipment will indicate that network is unavailable or can not initiate register request message, and terminal can not at this time
Access roaming network.But since user can not access network at this time, can not also short message service be used to update PRL, cause to use
Family can not then use current roaming network.
Particularly, during user terminal carries out international roaming, international roaming network frequently changes, roaming agreement label
Administration may also change, and PRL needs are often updated.When primary election PRL can not update, it will cause user that can not use international roaming
The mobile network service on ground, seriously affects client perception.Simultaneously as being in international roaming state, user terminal is needed to come back home
Update PRL could access roaming ground network again, bring very big inconvenience to user's use.
Invention content
One side according to the ... of the embodiment of the present invention, a technical problem to be solved are：It provides a kind of based on WIFI
Cut-in method, system and the terminal of optimum roaming list are updated, the success rate of terminal access roaming network is improved.
A kind of cut-in method updating optimum roaming list based on WIFI provided in an embodiment of the present invention, including：
Whether the current mobile network that terminal recognition is located at can access；
It not can access in response to the current mobile network that terminal is located at, the ownership of the terminal and the user of the terminal
Ground optimum roaming list PRL servers establish WIFI network connection；
It is connected by the WIFI network, the terminal downloads the ownership place PRL clothes from the ownership place PRL servers
Business device possesses the newest PRL information of the user, and the newest PRL information includes that the network attribute of the current mobile network is believed
Breath；
The terminal utilizes the newest PRL information, the PRL of the user of update subscriber identification module UIM cards storage
Information, wherein the UIM cards are coupled in the terminal；
The update operation is completed in response to UIM cards, the terminal works as Forward according to described in the newest PRL information access
Dynamic network.
Preferably, further include：
The newest PRL information is converted to PRL packet data packages by the ownership place PRL servers, and the terminal is from institute
The newest PRL information for stating the download of ownership place PRL servers is the PRL packet data packages；
The PRL packet data packages are converted to PRL short messages by the terminal；
The PRL information of the terminal update UIM cards storage is the newest PRL information, is specifically included：
The terminal sends PRL update requests to UIM cards, and the update request includes the PRL short messages；
The PRL information updates stored are the newest PRL information according to the PRL short messages by the UIM cards.
Preferably, wherein whether the current mobile network that the terminal recognition is located at can access, including：
The terminal obtains the PRL information of the currently stored user of the UIM cards, attempts to set to current mobile network
Preparation plays network registration request；
Whether the terminal can access according to access to mobile network situation, the be located at current mobile network of identification.
Preferably, wherein the terminal according to current mobile network described in the newest PRL information access, including：
The PRL information that the terminal obtains the currently stored user of the UIM cards is re-executed, to current mobile network
Network equipment initiates network registration request.
An embodiment of the present invention provides a kind of terminals, including：
Network selects whether access unit, the current mobile network being located at for identification can access；It is complete in response to UIM cards
At PRL information update operations, according to newest PRL information access current mobile network；Wherein, the UIM cards are coupled in the end
End；
Network connection unit, the current mobile network for being located in response to terminal not can access, with the terminal
The ownership place PRL servers of user establish WIFI network connection；
Download unit downloads the ownership place PRL servers and possesses the user for being connected by the WIFI network
Newest PRL information, the newest PRL information includes the network attribute information of the current mobile network；
Updating unit, for utilizing the newest PRL information, the PRL information of the user of update UIM cards storage.
Preferably, wherein the newest PRL information for downloading acquisition is PRL packet data packages；The terminal further includes：
Converting unit, for the PRL packet data packages to be converted to PRL short messages；
The updating unit is specifically used for sending PRL update requests to UIM cards, and the update request is short comprising the PRL
Letter, so that the UIM cards are according to the PRL short messages, it is the newest PRL information by the PRL information updates stored.
Preferably, the network selects access unit, specifically for obtaining the currently stored user's of UIM cards
PRL information is attempted to initiate network registration request to current mobile network equipment；According to access to mobile network situation, identification institute position
In current mobile network whether can access.
Preferably, the network selects access unit, is specifically used for completing the update operation in response to UIM cards, again
The PRL information for obtaining the currently stored user of UIM cards is executed, network is initiated to current mobile network equipment and steps on
Note request.
An embodiment of the present invention provides a kind of access systems updating optimum roaming list based on WIFI, including：
Any one terminal of above-mentioned terminal embodiment；
The UIM cards of the terminal are coupled in, the PRL information for storing the user；
Ownership place PRL servers, the user attaching of the terminal is in the PRL servers, for being established with the terminal
WIFI connections；It is connected by the WIFI, the download of the newest PRL information of the user is provided to the terminal.
Preferably, wherein when the terminal includes converting unit and updating unit, the ownership place PRL servers, also
For the newest PRL information to be converted to PRL packet data packages, the terminal is supplied to be downloaded；
It is short to be converted to PRL by the UIM cards specifically for the converting unit in the terminal for the PRL packet data packages
After letter, the newest PRL information is obtained from the PRL short messages；It is institute by the PRL information updates of the user stored
State newest PRL information.
Based on cut-in method, system and terminal that the above embodiment of the present invention provides, what terminal recognition was located at works as Forward
When dynamic network not can access, terminal is established WIFI network with ownership place PRL servers and is connect, therefore can be connected by WIFI network
It connects from ownership place PRL servers and downloads newest PRL information, utilize the PRL of the user of newest PRL information updates UIM cards storage
Information, and triggering terminal reselects network to access current mobile network, to improve terminal access according to newest PRL information
Success rate allows users to the mobile network service using roaming place, further improves customer service perception.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Simultaneously, it should be appreciated that for ease of description, the size of attached various pieces shown in the drawings is not according to reality
Proportionate relationship draw.Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
The attached drawing of a part for constitution instruction describes the embodiment of the present invention, and is used to solve together with the description
Release the principle of the present invention.
The present invention can be more clearly understood according to following detailed description with reference to attached drawing, wherein：
Fig. 1 shows the flow diagram of the terminal access control based on PRL in the prior art；
Fig. 2 shows cut-in method a kind of streams of embodiment provided by the present invention that optimum roaming list is updated based on WIFI
Journey schematic diagram；
Fig. 3 shows a kind of structural schematic diagram of embodiment of terminal provided by the present invention；
Fig. 4 shows access system a kind of knot of embodiment provided by the present invention that optimum roaming list is updated based on WIFI
Structure schematic diagram；
Fig. 5 shows cut-in method a kind of stream of embodiment provided by the present invention that optimum roaming list is updated based on WIFI
Journey schematic diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It should note
It anticipates and arrives：Unless specifically stated otherwise, the component and the positioned opposite of step otherwise illustrated in these embodiments does not limit this hair
Bright range.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
In the following examples, the newest PRL information of user includes the network attribute information of current mobile network, i.e.,
User allows to be accessed currently roaming mobile network.
Shown in Figure 2, Fig. 2 shows the cut-in methods one provided by the present invention that optimum roaming list is updated based on WIFI
The flow diagram of kind embodiment.This updates the cut-in method of optimum roaming list based on WIFI, including：
201, whether the current mobile network that terminal recognition is located at can access；
202, it not can access in response to the current mobile network that terminal is located at, the ownership place optimizing roaming of terminal and terminal
List PRL servers establish WIFI network connection；PRL server storages have the PRL information of user, save to be directed in PRL and be somebody's turn to do
Terminal user allows the network of relation attribute informations such as SID and the frequency point of the network of roaming；Terminal can prestore or be arranged
There are address or the identification information of ownership place PRL servers；
203, it is connected by WIFI network, terminal downloads ownership place PRL servers from ownership place PRL servers and possesses the use
The newest PRL information at family, for example, by send carry the user identifier download ask, to download the newest PRL of the user
Information, newest PRL information include the network attribute information of current mobile network；
204, terminal utilizes the newest PRL information obtained, the PRL of the user of update subscriber identification module UIM cards storage
Information, wherein UIM cards are coupled in terminal；
205, update operation is completed in response to UIM cards, terminal is according to the newest current mobile network of PRL information access of the user
Network.Include the associated nets such as SID and the frequency point of the network for allowing to roam since terminal uses newest PRL information at this time
Network attribute information allows the network of roaming therefore to believe using network attribute using these comprising the mobile network that user is located at
Breath carries out network registration, and the register response of the network equipment will indicate that network can be used, and terminal is successfully registered in the current movement of roaming
Network.
Based on above-described embodiment, when the current mobile network that terminal recognition is located at not can access, terminal is excellent with ownership place
It selects roaming list PRL servers to establish WIFI network connection, therefore can be connected from ownership place PRL servers by WIFI network
Newest PRL information is downloaded, using newest PRL information, the PRL information for the user that update subscriber identification module UIM cards store, and
Automatic trigger terminal reselects network to access current mobile network according to newest PRL information, so that it is guaranteed that user can make
With mobile network service, access success rate of terminal is improved, further improves customer service perception.
A specific example of embodiment, this method further include according to the method for the present invention：
Newest PRL information is converted to PRL packet data packages by ownership place PRL servers, and terminal is from ownership place PRL servers
The newest PRL information downloaded is PRL packet data packages；
PRL packet data packages are converted to PRL short messages by terminal；
The PRL information that terminal updates the storage of UIM cards is newest PRL information, is specifically included：
Terminal sends PRL update requests to UIM cards, and update request includes PRL short messages；
The PRL information updates stored are newest PRL information according to PRL short messages by UIM cards.
In the above-described embodiments, it is by way of PRL short messages that terminal updates PRL contents to UIM cards.PRL short messages carry
The newer particular contents of PRL, it is desirable that display pattern（MSG_DISPLAY_MODE）Subparameter be set as 11110000, indicate this
Short message is the PP-DOWNLOAD short messages with PRL contents.Terminal, which updates the content of this type short message by PRL, asks
It sends UIM cards to, the processing of PRL content updates is completed by UIM cards.PRL data packets are converted into PRL short messages, terminal is to UIM cards
PRL update modules initiate update PRL requests.
The PRL update modules of UIM cards return to update PRL request responses, terminal network selection to the PRL conversion modules of terminal
Module starts again the flow of network selection according to newest PRL automatically, available to be successfully accessed the step of repeating to access flow through a network
Network.
A specific example of embodiment according to the method for the present invention, in the operation 201 of embodiment illustrated in fig. 2, terminal recognition
Whether the current mobile network being located at can access, and can realize in the following way.
2011, terminal obtains the PRL information of the currently stored user of UIM cards, attempts to initiate to current mobile network equipment
Network registration is asked.For example, when user is in roaming, terminal is initiated to obtain PRL request messages to UIM cards, and UIM cards are returned to terminal
It send and obtains PRL response messages, carry currently stored PRL information, terminal is according to such as net for including in the PRL information got
The network of relation attribute information such as network SID and frequency point, if the attribute information of current mobile network allows the network letter of roaming in PRL
In breath, then registration request, attempts registration network are initiated to the local network equipment;
2012, terminal identifies whether be located at current mobile network can access according to access to mobile network situation.Network
After equipment receives registration request, if user ascription area operator and the network operator currently registered have roaming agreement,
Then the network equipment indicates that current registration network is available to terminal loopback enrollment response message.Otherwise, the network equipment is disappeared by response
Breath instruction current network is unavailable or not returning response message, and terminal should all identify that current network is that not can access at this time.
If the attribute information of current mobile network is not in the network information that PRL allows roaming, the network equipment of no normal direction locality
Registration request is initiated, terminal should also identify that current network is that not can access at this time.
A specific example of embodiment according to the method for the present invention, terminal is according to the newest current mobile network of PRL information access
Network, including：
The PRL information that terminal obtains the currently stored user of UIM cards is re-executed, net is initiated to current mobile network equipment
Network registration request.
Due to, the PRL information of the user of the storage in UIM cards has been updated to the newest PRL information of the user, because
This, sends network registration request, will be passed through.To access current mobile network.
Shown in Figure 3, Fig. 3 shows that a kind of terminal provided by the present invention, the terminal include：
Network selects whether access unit 301, the current mobile network being located at for identification can access；In response to UIM
Card completes PRL information update operations, according to newest PRL information access current mobile network, wherein UIM cards are coupled in terminal；
Network connection unit 302, the current mobile network for being located in response to terminal not can access, with returning for terminal
Possession PRL servers establish WIFI network connection；Network connection unit 302 may include WIFI wireless access adapters, access
Local WIFI network；
Download unit 303 downloads the newest PRL that ownership place PRL servers possess user for being connected by WIFI network
Information, newest PRL information include the network attribute information of current mobile network；
Updating unit 304, for utilizing newest PRL information, the PRL information of the user of update UIM cards storage.
According to terminal embodiment of the present invention specific example, wherein download the newest PRL information of acquisition as PRL points
Group data packet；The terminal further includes：
Converting unit 305, for PRL packet data packages to be converted to PRL short messages；
Updating unit 304 is specifically used for sending PRL update requests to UIM cards, and update request includes PRL short messages, so that
The PRL information updates stored are newest PRL information according to PRL short messages by UIM cards.
According to terminal embodiment of the present invention specific example, wherein the network selects access unit 301, specific to use
In the PRL information for obtaining the currently stored user of UIM cards, attempt to initiate network registration request to current mobile network equipment；Root
According to access to mobile network situation, whether the be located at current mobile network of identification can access.
According to terminal embodiment of the present invention specific example, network selects access unit 301, be specifically used in response to
UIM cards complete update operation, the PRL information for obtaining the currently stored user of UIM cards are re-executed, to current mobile network equipment
Initiate network registration request.
Shown in Figure 4, Fig. 4 shows a kind of access system updating optimum roaming list based on WIFI provided by the present invention
System.This updates the access system of optimum roaming list based on WIFI, including：
Any one terminal 401 in above-mentioned terminal embodiment, wherein network select access unit 301 by with locality
Mobile network appliance carries out the interaction of access network to access Local PLMN network；
The UIM cards 402 of terminal are coupled in, the PRL information for storing user；Alternatively, it is also possible to right in updating unit 304
When PRL information in UIM cards is updated, newest PRL information is stored；
Ownership place PRL servers 403, terminal attaching are connect in PRL servers for establishing WIFI with terminal；Pass through
WIFI connections provide the terminal with the download of the newest PRL information of user.
One specific example of system according to the invention embodiment, wherein when terminal includes converting unit and updating unit
When, ownership place PRL servers 403 are additionally operable to newest PRL information being converted to PRL packet data packages, and terminal is supplied to carry out down
It carries；
UIM cards 402, after PRL packet data packages are converted to PRL short messages specifically for the converting unit in terminal, from
Newest PRL information is obtained in PRL short messages；It is newest PRL information by the PRL information updates of the user stored.
Finally, shown in Figure 5, then a kind of illustratively flow chart of embodiment of displaying the method for the present invention.
Step 1, terminal is initiated to obtain PRL requests to UIM cards；
Step 2, it is responded by the PRL returned from UIM cards, obtains PRL；
Step 3, terminal initiates network registration request using PRL to the network equipment, with access roaming network；
Step 4, not available in PRL, terminal can not be registered in roaming network, and terminal will identify current net at this time
Network is that not can access；
Step 5, the ownership place optimum roaming list PRL servers of the user of terminal and terminal establish WIFI network connection,
It is connected by WIFI network and initiates to download PRL requests；
Step 6, ownership place PRL servers return to the download PRL responses of the newest PRL information comprising user, to terminal
The newest PRL information for obtaining the user is downloaded from ownership place PRL servers；
Step 7, terminal utilizes the newest PRL information, the update PRL requests of update UIM cards is initiated to UIM, with more
The PRL information of the user of new UIM cards storage；
Step 8, update operation is completed in response to UIM cards, UIM cards can return to update PRL responses to terminal.To trigger
Terminal is according to newest PRL information access current mobile network.
So far, a kind of access side updating optimum roaming list based on WIFI according to the present invention is described in detail
Method, system and terminal.In order to avoid the design of the masking present invention, some details known in the field are not described.This field
Technical staff as described above, can be appreciated how to implement technical solution disclosed herein completely.
Each embodiment is described in a progressive manner in this specification, the highlights of each of the examples are with its
The difference of its embodiment, same or analogous part cross-reference between each embodiment.For being based on WIFI more
For the access system and terminal embodiment of new optimum roaming list, since it is substantially corresponding with embodiment of the method, so description
It is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
May be achieved in many ways the present invention based on WIFI update the cut-in method of optimum roaming list, system with
Terminal.For example, can by any combinations of software, hardware, firmware or software, hardware, firmware come realize the present invention based on
WIFI updates cut-in method, system and the terminal of optimum roaming list.The said sequence of the step of for the method be only for
It illustrates, the step of method of the invention is not limited to sequence described in detail above, unless specifically stated otherwise.
In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include being used for
Realize machine readable instructions according to the method for the present invention.Thus, it is according to the present invention for executing that the present invention also covers storage
The recording medium of the program of method.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (6)
1. a kind of cut-in method updating optimum roaming list based on WIFI, including：
Terminal obtains the PRL information of the currently stored user of UIM cards, attempts to ask to current mobile network equipment initiation network registration
It asks；
Whether terminal can access according to access to mobile network situation, the be located at current mobile network of identification；
It not can access in response to the current mobile network that terminal is located at, the terminal and the ownership place of the user of the terminal are excellent
Roaming list PRL servers are selected to establish WIFI network connection, wherein the terminal prestores or be provided with ownership place PRL
The address of server or identification information；
It is connected by the WIFI network, the terminal downloads the ownership place PRL servers from the ownership place PRL servers
Possess the newest PRL information of the user, the newest PRL information includes the network attribute information of the current mobile network；
The terminal utilizes the newest PRL information, updates the PRL information of the user of subscriber identification module UIM cards storage,
Wherein, the UIM cards are coupled in the terminal；
The update operation is completed in response to UIM cards, the terminal, which re-executes, obtains the currently stored use of the UIM cards
The PRL information at family initiates network registration request to current mobile network equipment.
2. according to the method described in claim 1, further including：
The newest PRL information is converted to PRL packet data packages by the ownership place PRL servers, and the terminal is returned from described
The newest PRL information that possession PRL servers are downloaded is the PRL packet data packages；
The PRL packet data packages are converted to PRL short messages by the terminal；
The PRL information of the terminal update UIM cards storage is the newest PRL information, is specifically included：
The terminal sends PRL update requests to UIM cards, and the update request includes the PRL short messages；
The PRL information updates stored are the newest PRL information according to the PRL short messages by the UIM cards.
3. a kind of terminal, including：
Network selects access unit, the PRL information for obtaining the currently stored user of UIM cards to attempt to current mobile network
Equipment initiates network registration request；According to access to mobile network situation, whether the be located at current mobile network of identification can access；
It is additionally operable to complete PRL information update operations in response to UIM cards, re-executes and described obtain currently stored described of the UIM cards
The PRL information of user initiates network registration request to current mobile network equipment；Wherein, the UIM cards are coupled in the end
End；
Network connection unit, the current mobile network for being located in response to terminal not can access, the user with the terminal
Ownership place PRL servers establish WIFI network connection, wherein the terminal prestores or is provided with ownership place PRL clothes
The address of business device or identification information；
Download unit downloads the ownership place PRL servers and possesses the user most for being connected by the WIFI network
New PRL information, the newest PRL information include the network attribute information of the current mobile network；
Updating unit, for utilizing the newest PRL information, the PRL information of the user of update UIM cards storage.
4. terminal according to claim 3, wherein the newest PRL information for downloading acquisition is PRL packet data packages；It is described
Terminal further includes：
Converting unit, for the PRL packet data packages to be converted to PRL short messages；
The updating unit is specifically used for sending PRL update requests to UIM cards, and the update request includes the PRL short messages,
So that the UIM cards are according to the PRL short messages, it is the newest PRL information by the PRL information updates stored.
5. a kind of access system updating optimum roaming list based on WIFI, including：
Terminal described in claim 3 to 4 any one；
The UIM cards of the terminal are coupled in, the PRL information for storing user；
Ownership place PRL servers, the user attaching of the terminal is in the PRL servers, for establishing WIFI with the terminal
Connection；It is connected by the WIFI, the download of the newest PRL information of the user is provided to the terminal.
6. access system according to claim 5, wherein when the terminal includes converting unit and updating unit, institute
State ownership place PRL servers, be additionally operable to the newest PRL information being converted to PRL packet data packages, be supplied to the terminal into
Row is downloaded；
The UIM cards, specifically for the converting unit in the terminal by the PRL packet data packages be converted to PRL short messages it
Afterwards, the newest PRL information is obtained from the PRL short messages；For described in most by the PRL information updates of the user stored
New PRL information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265162.3A CN104254063B (en) | 2013-06-28 | 2013-06-28 | Cut-in method, system and the terminal of optimum roaming list are updated based on WIFI |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265162.3A CN104254063B (en) | 2013-06-28 | 2013-06-28 | Cut-in method, system and the terminal of optimum roaming list are updated based on WIFI |
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| CN104254063B true CN104254063B (en) | 2018-10-02 |
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|---|---|---|---|---|
| CN106332201B (en) | 2015-07-07 | 2021-04-20 | 西安中兴新软件有限责任公司 | Wireless hotspot switching method and mobile terminal |
| CN108271225B (en) * | 2017-01-03 | 2022-06-07 | 中兴通讯股份有限公司 | Network acquisition method and device |
| GB2559402A (en) * | 2017-02-03 | 2018-08-08 | Gm Global Tech Operations Llc | Method of operating a wireless communication system of a vehicle, computer program product and vehicle |
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| CN102078916A (en) * | 2010-12-29 | 2011-06-01 | 陈祥坤 | Wax injector |
| CN102348170A (en) * | 2010-07-29 | 2012-02-08 | 中国电信股份有限公司 | Preferred roaming list setting method, system thereof, terminal and server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102348170A (en) * | 2010-07-29 | 2012-02-08 | 中国电信股份有限公司 | Preferred roaming list setting method, system thereof, terminal and server |
| CN102078916A (en) * | 2010-12-29 | 2011-06-01 | 陈祥坤 | Wax injector |
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