CN102348170B - Preferred roaming list setting method, system thereof, terminal and server - Google Patents
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Abstract
The invention discloses a preferred roaming list setting method in a CDMA (Code Division Multiple Addressing) system, a system thereof, a terminal and a server. The method comprises the following steps: downloading a preferred roaming list (PRL) to the terminal through a PRL multimedia message; extracting the PRL from the PRL multimedia message to carry out PRL setting of the terminal. According to the method and the system in the invention, the PRL is downloaded to the terminal by utilizing packet link in a multimedia message mode, the terminal sends PRL content to an intelligent card, the intelligent card carries out update on a PRL related file, and an update success rate of the PRL is effectively raised.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to method to set up, system, terminal and the server of a kind of Preferred Roaming List (Preferred Roaming List, Preferred Roaming List).
Background technology
Mobile subscriber roams between the network of country variant or different operators, very common for mobile network.Along with increasingly sharpening and commercial exchange increasing of population in the world mobility, country variant or different mobile operator need to sign roaming agreement, the mobile subscriber belonging to oneself is enable to enjoy mobile service in area as much as possible in the whole world, thus attraction more users, increase enterprise operation income, improve the competitiveness of operator self.
At CDMA (Code Division Multiple Access, code division multiple access) in system, terminal is except preserving SID (the System Identity of home network, system banner) and frequency, also preserve international PRL simultaneously, store this terminal in this list and allow the relevant informations such as the SID of network of roaming and frequency.For the terminal of separation between machine and card, these information are kept on smart card UIM (User Identify Module, subscriber identification module), and terminal is waited when needed and read preservation information in card.User is when carrying out international roaming, and terminal will determine whether allowing user's access roaming network according to relevant informations such as the SID of international roaming preference lists and frequencies.If the international roaming preference lists of user terminal does not have the relevant information such as SID and frequency of current roaming network, user just cannot use current roaming network.
When frequency or the roaming carrier of newly-increased cdma network, all need to increase these information in the PRL list of smart card, user just can be made to roam under new cdma network.Along with the frequency of cdma network and operator constantly increase, require that PRL content constantly upgrades, the increase of these information requires PRL capacity expansion.Simultaneously, in order to user can better use the carrier network with roaming agreement, require the actual demand according to operator, accurate write has SID and the frequency of the operator of roaming agreement, do not adopt the mode of wildcard to write, thus avoid having accessed the operator not having roaming agreement in roaming area, require that the PRL list size of smart card is larger like this, and require the frequent downloads renewal more of PRL content, therefore require that smart card uses jumbo PRL list.In addition, because the network equipment cannot know the PRL facilities of user terminal, the PRL of user terminal upgrades the renewal that can only adopt whole PRL data.
At present, in a cdma network, great majority operation commercial city adopts SMS-PP (ShortMessage Service-Point to Point, point-to-point short message) bearing mode, in normal short message mode, PRL list is issued to terminal by PRL update server, PRL list content is submitted to smart card by terminal, is carried out the renewal of PRL list by smart card.
Fig. 1 illustrates that the cdma system of prior art carries out the schematic diagram of PRL content update system configuration.As shown in Figure 1, wherein PRL update server 11 is as PRL note structural member, completes the structure of PRL content and messaging format; Terminal 12 downloads the parts of conversion as PRL, completes the download of PRL short message content, and is responsible for PRL short message content to submit to smart card UIM 13; Smart card UIM 13 upgrades execution unit as PRL, is responsible for the content upgrading PRL under UIM card respective directories.
In the prior art, the data volume that normal short message carries is very little, such as, the PRL list of 9K needs more than 80 note, due to the unreliability that a large amount of note is transmitted on network, by the impact of the factors such as many PRL SMS message transmission orders, quality, time delays, may occur that part of short message is lost, time delay is long, all can cause the failure of PRL content update, be difficult to ensure PRL content update success rate, it is lower that PRL is updated to power, very low for jumbo PRL list update success rate.Carrying out of the problems referred to above restriction international roaming service, the international roaming having a strong impact on user is experienced.In addition, take note not send the mode of not removing Traffic Channel, send tens notes continuously, will take the Traffic Channel regular hour, now user cannot carry out audio call, easily causes the complaint of user.
By BIP (Bearer Independent Protocol, carrying standalone protocol) connect and also can complete Large Copacity PRL and upgrade, the success rate of PRL list update can be guaranteed and do not affect the normal talking of user, but need to carry out larger transformation to the network equipment, terminal and smart card, and BIP protocol chip is also in development at present, also the long period is needed from real commercialization, also need user to change terminal and smart card could use, bring very large use cost will to user and operator.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of Preferred Roaming List method to set up, can improve PRL and be updated to power.
The invention provides a kind of Preferred Roaming List method to set up, comprising: download PRL list to terminal by PRL multimedia message; The setting that the PRL list of terminal is carried out in PRL list is extracted from PRL multimedia message.
According to the embodiment of the present invention's method, comprised by the step of PRL multimedia message download PRL list to terminal:
PRL update server builds PRL short message sending to multimedia message server;
Described multimedia message server builds PRL multimedia message according to the described PRL note received;
Described multimedia message server utilizes grouped link that described PRL multimedia message is pushed to terminal.
According to the embodiment of the present invention's method, comprised by the step of PRL multimedia message download PRL list to terminal:
PRL update server is according to PRL list builder PRL multimedia message;
Described PRL update server utilizes grouped link that described PRL multimedia message is pushed to terminal.
According to the embodiment of the present invention's method, above-mentionedly from PRL multimedia message, extract the step that PRL list realizes the setting of described terminal PRL list comprise:
Terminal starts PRL refresh routine and described PRL multimedia message is converted to PRL note;
PRL note is submitted to UIM card one by one, and UIM card completes the renewal of PRL content according to the PRL note received.
The present invention also provides a kind of server, comprising:
PRL multimedia message builds module, for building PRL multimedia message according to the PRL content received;
PRL multimedia message sending module, receiving PRL multimedia message for building module from described PRL multimedia message, pushing described PRL multimedia message by grouped link.
Wherein, PRL multimedia message builds module for receiving PRL note, builds described PRL multimedia message according to PRL note; Or PRL multimedia message builds module according to PRL list builder PRL multimedia message.
The present invention also provides a kind of CDMA terminal, comprising:
PRL multimedia message receiver module, for receiving PRL multimedia message by grouped link,
PRL multimedia message parsing module, for resolving the PRL multimedia message that described PRL multimedia message receiver module receives, extracts PRL list,
PRL update module, for obtaining described PRL list from described PRL multimedia message parsing module, upgrades the PRL list of described terminal.
The present invention also provides a kind of Preferred Roaming List to arrange system, comprises above-mentioned server and terminal.
Preferred Roaming List method to set up provided by the invention and system, by building PRL multimedia message, grouped link is utilized to download PRL list to terminal by multimedia message, terminal extracts the renewal of PRL list realization to PRL list from PRL multimedia message, between user terminal and the network equipment, the grouping of PPPoE is adopted to connect in multimedia message mode, at a high speed and high-quality completes the download of Large Copacity PRL content, effectively can promote PRL and be updated to power, avoid the transmission of a large amount of notes between terminal and the network equipment.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
Fig. 1 illustrates that the international roaming preference lists of prior art arranges the schematic diagram of system;
Fig. 2 illustrates the flow chart of an embodiment of Preferred Roaming List method to set up of the present invention;
Fig. 3 illustrates the diagram of an example of PRL MMS format of the present invention;
Fig. 4 illustrates the diagram of an example of the message body form of PRL multimedia message of the present invention;
Fig. 5 illustrates that Preferred Roaming List of the present invention arranges the structure chart of an embodiment of system;
Fig. 6 illustrates the flow chart of another embodiment of Preferred Roaming List method to set up of the present invention;
Fig. 7 illustrates the flow chart of another embodiment of Preferred Roaming List method to set up of the present invention;
Fig. 8 illustrates that Preferred Roaming List of the present invention arranges the structure chart of another embodiment of system.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
Fig. 2 illustrates the flow chart of an embodiment of international roaming preference lists method to set up of the present invention.
As shown in Figure 2, in step 202, grouped link is utilized to download PRL list to terminal by PRL multimedia message.Such as, PRL list, according to PRL list builder PRL multimedia message, is pushed to terminal by PRL multimedia message by PRL update server; Or PRL update server is according to PRL list builder PRL note, and by PRL short message sending to multimedia message server, multimedia message server builds PRL multimedia message according to PRL note, and PRL multimedia message is pushed to terminal.An example of PRL MMS format will be introduced after a while.
In step 204, terminal extracts the setting that the PRL list of terminal is carried out in PRL list from PRL multimedia message.Terminal parses PRL multimedia message, therefrom extracts PRL information, and the renewal carrying out terminal PRL is arranged.
In the above-described embodiments, utilize grouped link to download PRL list to terminal by multimedia message mode, then PRL list content is passed through smart card by terminal, is upgraded PRL list associated documents by smart card, can effectively promote PRL and be updated to power.Multimedia message mode adopts PPPoE (Point-to-Point Protocol over Ethernet between user terminal and the network equipment, point-to-point connection protocol on Ethernet) grouping connect, at a high speed and high-quality completes the download of Large Copacity PRL content, the transmission of a large amount of notes between terminal and the network equipment can be avoided.Therefore, this embodiment does not need the network equipment, terminal and card to carry out hardware modification, effectively can promote Large Copacity PRL content and download integrality and success rate, have stronger operability and practicality.
Introduce the example of a PRL MMS format below.In this example embodiment, PRL multimedia message, as a kind of Multimedia Message, is sent to user terminal from multimedia message server in MM1_retrieve.RES Multimedia Message.The cell units of Multimedia Message is made up of message header (Header) and message body (Body), and message header describes the customizing messages of PDU, and message body is the particular content of message bearing.PRL multimedia message also has message header and message body, and wherein the content type (Content type) of message header is such as defined as PRL/Plain, and be shown to be the renewal of PRL list, message body is all SMS-PP short messages.Concrete form is see Fig. 3.Message header and the message body of PRL multimedia message are defined as follows:
A) message header of PRL multimedia message
Adopt the message header of the Multimedia Message of Content type=PRL/plain, Contenttype is positioned at the last of message header, is defined as follows shown in table 1 about message header form:
Table 1
B) message body of PRL multimedia message:
The message body of Multimedia Message is multimedia information content, the message body of PRL multimedia message is SMS-PP note, shown in encapsulation format Fig. 4, require that display mode (MSG_DISPLAY_MODE) is essential subparameter in SMS-PP note, and this subparameter is set to 11110000, represent that this note is the PP-DOWNLOAD short message with PRL list, follow-uply just complete process by UIM card.The application data of SMS-PP note is PRL more fresh content.
Introduce the realization that PRL multimedia message is converted to SMS-PP note below.
Multimedia message and SMS-PP note all use at existing network, and SMS-PP note contains PRL list content, by using the content of SMS-PP note as multimedia message, and stamp special content type and indicates, be i.e. formation PRL multimedia message.In one embodiment of the invention, at multimedia message server, SMS-PP short message content is filled in PRL multimedia message as the particular content of multimedia message, content type is set to PRL/Plain simultaneously; Then on user mobile phone, rightabout conversion is completed by a PRL refresh routine, be PRL/Plain according to content type, PRL multimedia message can be identified as, the SMS-PP note containing PRL list is extracted from the message body of PRL multimedia message, then submit to UIM according to current SMS-PP note and stick into row relax, the processing method of follow-up UIM card is identical with current UIM card treatment S MS-PP note.
It may be noted that PRL multimedia message of the present invention is not limited to the implementation of above-described embodiment.Those skilled in the art can define or design PRL MMS format as required, can both complete object of the present invention, fall into protection scope of the present invention.
Fig. 5 illustrates that international roaming preference lists of the present invention arranges the structure chart of an embodiment of system.As shown in Figure 5, this system comprises PRL update server 51, multimedia message server 52, terminal 53 and smart card UIM 54.Wherein, PRL update server 51 as PRL note structural member, for building PRL note.Multimedia message server 52 is as PRL multimedia message structural member, by PRL multimedia message structural unit (or program), the note received one by one is packaged into the PRL multimedia message of predetermined format (such as, * .PRL file), then PRL multimedia message is pushed in the terminal 53 of user.Terminal 53 downloads converting member as PRL, PRL multimedia message terminal 53 received by PRL updating block (or program) converts the SMS-PP messaging format that smart card UIM 54 can identify to, by machine card command interface, note is submitted to smart card UIM54 one by one and carries out follow-up update process; Smart card UIM 54 upgrades execution unit as PRL, performs PRL list update.
Fig. 6 illustrates the flow chart of another embodiment of international roaming preference lists method to set up of the present invention.
In step 602, in response to user request, PRL update server according to PRL list builder PRL short message sending to multimedia message server.
In step 604, multimedia message server builds PRL multimedia message according to the PRL note received.
In step 606, multimedia message server utilizes grouped link that PRL multimedia message is pushed to terminal.
In step 608, terminal extracts the setting that the PRL list of terminal is carried out in PRL list from PRL multimedia message.
In the above-described embodiments, by increasing multimedia message server, PRL update server is by PRL short message sending to multimedia message server, and construct PRL multimedia message by multimedia message server and be sent to terminal, PRL update server is changed little, and system structure design is flexible.
Fig. 7 illustrates the flow chart of another embodiment of international roaming preference lists method to set up of the present invention.
As shown in Figure 7, in step 702, user sends according to Carrier Requirements and specifies access code note to PRL update server, the renewal of application PRL content.
In step 704, PRL update server receives user and applies for the note application that PRL upgrades, and according to the SMS-PP note of current form structure PRL, and one by one these notes is delivered to multimedia message server.
In step 706, multimedia message server enables PRL multimedia message constructor, is packaged into special MMS format, and sends mms notification to user according to MMS format to receiving all SMS-PP notes.
In step 708, user terminal, according to mms notification, obtains at a high speed PRL multimedia message by the wireless packet link of PPPoE and downloads, and PRL multimedia message be kept in inbox.
In step 710, user clicks PRL multimedia message and starts PRL refresh routine, or start-up by hand PRL refresh routine searches PRL multimedia message by browsing.
In step 712, the PRL refresh routine of user terminal runs and reads PRL short message content.
In step 714, whether terminal judges supports UTK order.If support UTK order, PRL refresh routine calls UPDATE RECORD order and note is passed to UIM (step 716); If do not support UTK order, note is passed to UIM (step 718) by routine call ENVELOPE order.
In step 720, the buffering area of PRL content replication to PRL is preserved by UIM card.
In step 722, UIM card judges whether the SMS-PP short message of the carrying PRL received is the last item, if so, then performs step 724; Otherwise, wait for next SMS-PP note.
In step 724, then according to note renewal PRL content and to user's display update progress
In step 726, after the PRL content update success of UIM card, PRL refresh routine exits, and user can use new PRL content access roaming network.
Fig. 8 illustrates that Preferred Roaming List of the present invention arranges the structure chart of another embodiment of system.As shown in Figure 8, this embodiment system comprises multimedia message server 81 and terminal 82.Multimedia message server 81 comprises PRL multimedia message and builds module 811, PRL multimedia message sending module 812.Wherein, PRL multimedia message builds module 811 for building PRL multimedia message according to the PRL content received; PRL multimedia message sending module 812 receives PRL multimedia message for building module 811 from PRL multimedia message, pushes PRL multimedia message to terminal 82 by grouped link.Terminal 82 comprises PRL multimedia message receiver module 821, PRL multimedia message parsing module 822 and PRL update module 823.Wherein, PRL multimedia message receiver module 821 is for receiving PRL multimedia message by grouped link; The PRL multimedia message that PRL multimedia message parsing module 822 receives for resolving PRL multimedia message receiver module 821, extracts PRL list; PRL update module 823 for obtaining PRL list from PRL multimedia message parsing module 821, the more PRL list of new terminal.In one embodiment, PRL multimedia message builds module 811 for receiving PRL note from PRL update server, builds described PRL multimedia message according to PRL note; In another embodiment, PRL multimedia message builds module 811 directly according to PRL list builder PRL multimedia message.
In the above-described embodiments, multimedia message server builds PRL multimedia message, grouped link is utilized to download PRL list to terminal by multimedia message, terminal extracts the renewal of PRL list realization to PRL list from PRL multimedia message, between user terminal and the network equipment, the grouping of PPPoE is adopted to connect in multimedia message mode, at a high speed and high-quality completes the download of Large Copacity PRL content, effectively can promote PRL and be updated to power, avoid the transmission of a large amount of notes between terminal and the network equipment.
Claims (10)
1. a Preferred Roaming List PRL method to set up, is characterized in that, comprising:
Utilize grouped link to download PRL list to terminal by PRL multimedia message, wherein, the message body of described PRL multimedia message comprises SMS-PP note, and described SMS-PP note comprises PRL list;
The setting that the PRL list of described terminal is carried out in PRL list is extracted from described PRL multimedia message;
Wherein, describedly from described PRL multimedia message, extract the step that PRL list realizes the setting of described terminal PRL list comprise:
Described terminal starts PRL refresh routine and described PRL multimedia message is converted to PRL note;
Described PRL note is submitted to UIM card one by one, and UIM card completes the renewal of PRL content according to the PRL note received.
2. Preferred Roaming List method to set up according to claim 1, is characterized in that, describedly downloads PRL list by PRL multimedia message and comprises to the step of terminal:
PRL update server builds PRL short message sending to multimedia message server;
Described multimedia message server builds PRL multimedia message according to the described PRL note received;
Described multimedia message server utilizes grouped link that described PRL multimedia message is pushed to terminal.
3. Preferred Roaming List method to set up according to claim 2, is characterized in that, described multimedia message server builds the PRL multimedia message of predetermined format according to many that receive described PRL notes, utilizes grouped link that described PRL multimedia message is pushed to terminal.
4. Preferred Roaming List method to set up according to claim 1, is characterized in that, describedly downloads PRL list by PRL multimedia message and comprises to the step of terminal:
PRL update server is according to PRL list builder PRL multimedia message;
Described PRL update server utilizes grouped link that described PRL multimedia message is pushed to terminal.
5. Preferred Roaming List method to set up according to claim 1, is characterized in that, the message header of described PRL multimedia message is defined as PRL/Plain, is shown to be the renewal of PRL list, and message body is all SMS-PP short messages.
6. Preferred Roaming List method to set up according to claim 1, it is characterized in that, described PRL multimedia message is converted to the PRL note of SMS-PP form by described terminal by described PRL refresh routine, by machine card command interface, PRL note is submitted to UIM card one by one.
7., for the server that Preferred Roaming List PRL is arranged, it is characterized in that, comprising:
PRL multimedia message builds module, and for building PRL multimedia message according to the PRL content received, wherein, the message body of described PRL multimedia message comprises SMS-PP note, and described SMS-PP note comprises PRL list;
PRL multimedia message sending module, receiving PRL multimedia message for building module from described PRL multimedia message, pushing described PRL multimedia message to terminal so that described terminal extracts the PRL list of terminal described in PRL list update from PRL multimedia message by grouped link.
8. server according to claim 7, is characterized in that, described PRL multimedia message builds module for receiving PRL note, builds described PRL multimedia message according to PRL note;
Or
Described PRL multimedia message builds module PRL multimedia message according to PRL list builder.
9. a CDMA terminal, is characterized in that, comprising:
PRL multimedia message receiver module, for receiving PRL multimedia message by grouped link, comprise PRL list in described PRL multimedia message, wherein, the message body of described PRL multimedia message comprises SMS-PP note, and described SMS-PP note comprises PRL list;
PRL multimedia message parsing module, for resolving the PRL multimedia message that described PRL multimedia message receiver module receives, is converted to PRL note by described PRL multimedia message,
PRL update module, for obtaining described PRL note from described PRL multimedia message parsing module, described PRL note is submitted to UIM card one by one, UIM card completes the renewal of PRL content according to the PRL note received, and upgrades the PRL list of described terminal.
10. Preferred Roaming List arranges a system, it is characterized in that, comprises the server for Preferred Roaming List PRL setting described in claim 7 or 8 and CDMA terminal according to claim 9.
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| CN102821368B (en) * | 2012-07-24 | 2016-11-09 | 华为终端有限公司 | A kind of mobile terminal sends method and the mobile terminal of information |
| CN104254063B (en) * | 2013-06-28 | 2018-10-02 | 中国电信股份有限公司 | Cut-in method, system and the terminal of optimum roaming list are updated based on WIFI |
| CN105025461B (en) * | 2014-04-17 | 2018-07-24 | 中国电信股份有限公司 | Method, user terminal and system for updating Preferred Roaming List |
| CN105791330A (en) * | 2014-12-15 | 2016-07-20 | 中国电信股份有限公司 | Method, system and equipment for updating data in user card |
| CN106817681A (en) * | 2015-12-01 | 2017-06-09 | 中国电信股份有限公司 | EPRL file updating methods, equipment and system |
| CN107484150B (en) * | 2017-07-05 | 2020-12-22 | 宇龙计算机通信科技(深圳)有限公司 | EV-DO network connection method, device and terminal |
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