CN100442889C - Method for optimizing roaming - Google Patents
Method for optimizing roaming Download PDFInfo
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- CN100442889C CN100442889C CNB2005100802465A CN200510080246A CN100442889C CN 100442889 C CN100442889 C CN 100442889C CN B2005100802465 A CNB2005100802465 A CN B2005100802465A CN 200510080246 A CN200510080246 A CN 200510080246A CN 100442889 C CN100442889 C CN 100442889C
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Abstract
The method includes following workflow: after user turns terminal on, if terminal cannot log on network used before user turns terminal off or home network of user, then, terminal reads network information from preferred network list of first file as well as tries to log on one network from the list according to sequence of the list; if successful, then using the network; otherwise, determining whether it is failed to log on all network of having signal; if no, trying to log on network according to sequence of amplitude of current networks; otherwise, logging on network is failed, no network can be used. The method gives user convenience and benefit.
Description
Technical field
The present invention relates to the loaming method in a kind of wireless telecommunications, the method that can preferentially select current communication network when especially referring to roam.
Background technology
The user crosses over service area into entoilage through regular meeting when using mobile communication equipment, enter in the service network in strange land.If the area that enters has a plurality of networks of selecting usefulness, user mobile phone can be searched for current selectable network automatically, select one of them network as current communication network, but, this selection of mobile phone often at random, make troubles for user's use, bad as network signal and the covering selected, cause the user's communications quality to descend; The network rate of selecting are higher, increased the user's communications expense; The network of selecting causes the user can't use data, services and value-added service etc. when roaming in the agreement that data, services and value-added service field and user's home network not have roaming and cooperates.But, want the user before entering an area, will carefully understand local network condition earlier, this is again unpractical and unnecessary, therefore, if can provide a kind of can be according to pre-determined rule, the preferential service of selecting roaming network is bound to bring bigger facility to user's use.
Summary of the invention
The purpose of this invention is to provide a kind of monitoring and the processing that can pass through the critical file in the SIM card, make the user when international roaming, can preferentially login the method for the network of operator's appointment.
According to international norm, the content of critical file will influence the behavior that user mobile phone is selected network in user's SIM card.In user's SIM card, use new file configuration and Managed Solution, can control user mobile phone and select roaming network according to pre-determined rule.
When SIM card was issued to the user, file configuration in the SIM card and Managed Solution need pre-determine.But in the process that the user uses, pre-determined rule may change.At this moment, operator can carry out necessary renewal to file configuration in user's SIM card and Managed Solution by the mode of aerial instruction interaction (Over the Air-OTA) realization remote file updates, makes that the rule after changing can in time be applied in user's the SIM card.The process that the OTA mode is upgraded need not the user and participates in, and to user transparent, leaves the user alone.
The OTA system needs OTA server, Short Message Service Gateway and supports the SIM card of OTA function to form jointly, and the function that realizes by the OTA system has also comprised the dynamic download and the deletion of SIM card service menu except remote file updates.The OTA mode has adopted data SMS to realize instruction and information interaction between server and the SIM card to the management of card, and realizes the remote update to card file on this basis.
For achieving the above object, the invention provides a kind of method of optimizing roaming, concrete workflow comprises: when the user started shooting, terminal was sent the instruction of one second file in the reading SIM card, the network information of using before the storage user shuts down in described second file; SIM card is obtained mobile country code MCC and mobile network code, MNC MNC data in the ground domain information LAI data segment of being stored in this second file; SIM card is obtained the MCC data among the international mobile subscriber identifier IMSI that is stored in the 3rd file, the network information of storage user attaching in described the 3rd file; Relatively whether the MCC among the IMSI of the MCC in the LAI data segment of this second file and the 3rd file is identical, if identical, jumps to step 509, if different, carries out next step; SIM card is searched for first file, whether sequential search exists the record of a network information, the MCC content is identical in the LAI data segment of the MCC of this record and this second file, if have, go to next step, if no, then execution in step 509, the network information in described first file in the storage list of preferred networks; Obtain the MNC of article one record of coupling; Judge whether the MNC content in the LAI data segment is identical in this MNC and this second file, if identical, jumps to step 509,, carry out next step if different; Replace the content of the MNC in the LAI data segment of this second file with this MNC content; SIM card is carried out the instruction of reading this second file; Can terminal attempt landing the network that uses before the shutdown, if can, then use described network, if can not, terminal is attempted the network of login user ownership, if can, then use described network, if can not, terminal reads the network information in the described list of preferred networks from described first file; Attempt landing a network in the described list of preferred networks by tab sequential, if can, described network then used, if can not, terminal attempts landing available network according to the strong and weak order of current network signal, if successfully land, then use this network, if can not, judge current whether all have the network of signal all to land failure, if not, continue to attempt to land network according to the strong and weak order of current network signal, if, then land network failure, currently can't use network.
Because the terminal that certain customers use can be skipped the operation of obtaining list of preferred networks and attempting landing from this first file in landing the process of network, so, the present invention increases by a monitoring flow process, the Mobile Country Code MCC (Mobile Country Code-MCC) that reads in the feasible LAI data segment from this second file and the content of Mobile Network Code (Mobile Network Code-MNC), all the time be consistent with information in this first file, this just can guarantee that all terminals are obtained list of preferred networks from this first file in landing the process of network and the operation of attempting landing can not skipped, thereby guarantees the realization of this optimizing roaming.
Therefore, the present invention has realized that by to the content of the constituent instruments in the SIM card and the setting of correlation function the user preferentially lands the network of operator's appointment when international roaming.The whole process of optimizing roaming network is finished under the control of the SIM card with optimizing roaming function automatically, to user transparent, does not influence user's normal use.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 lands the workflow diagram of terminal network for the present invention.
Fig. 2 revises the workflow diagram of authority for the present invention realizes limited subscriber.
Fig. 3 carries out the workflow diagram of the instruction of reading second file for terminal of the present invention.
Fig. 4 appears at the workflow diagram in the 4th file for the present invention realizes forbidding the network information in first file.
Embodiment
The user is when international roaming, perhaps not only one of alternative roaming network, for the SIM card with optimizing roaming function, constituent instruments content on it and correlation function are through the setting of operator, and this SIM card can preferentially be landed the roaming network of operator's appointment.In order to support the method for optimizing roaming, operator should determine list of preferred networks in advance, and it is stored in first file in this SIM card.For possessing the SIM card of supporting the optimizing roaming function, this list of preferred networks can be stored 20 network information: MCC+MNC at least.This first file is supported the OTA remote file updates, and operator can change and upgrades the list of preferred networks in user's SIM card by the OTA server is long-range.
Please referring to Fig. 1, the concrete workflow of the present invention comprises:
101) after the user start, the network information of using before terminal will one second file from SIM card be obtained the user and shut down, this network information comprises MCC and MNC;
102) terminal attempts landing the network that uses before the shutdown, if land success, then uses this network, otherwise, go to next step;
103) obtain the network information of user attaching in one the 3rd file of terminal from SIM card;
104) terminal is attempted the network of login user ownership, if successfully land, then uses this network, otherwise, go to next step;
105) read the preferred network information in first file of terminal from SIM card, this network information comprises MCC and MNC;
106) terminal attempts landing network according to this according to tab sequential, if successfully land a network in the tabulation, then uses this network, otherwise, go to next step;
107) judge whether that the all-network in the network list all fails, if not, return previous step, otherwise, next step carried out;
108) terminal attempts landing available network according to the strong and weak order of current network signal, if successfully land, then uses this network, otherwise, go to next step;
109) judge whether that all networks that signal is arranged all land failure, if not, previous step returned, if then show and currently can't use network.
In order to ensure the control of operator to list of preferred networks, flow process will be set forbid the user this first file modifying, as shown in Figure 2, realize that the workflow of limited subscriber modification authority is as follows:
201) terminal is sent update instruction to user's SIM card;
202) judge in this instruction whether be the instruction of upgrading this first file, if directly jump procedure 204 if do not have, is carried out next step;
203) SIM card is carried out update instruction;
204) SIM card is returned " successful execution instruction " to terminal.
Because the small part terminal is also not exclusively followed international norm and is landed network, therefore, this small part user terminal can be skipped the operation of obtaining list of preferred networks and attempting landing from this first file in landing the process of network, so, need to increase a monitoring flow process, in order to guarantee the realization of this optimizing roaming.As shown in Figure 3, increased the instruction that monitor terminal reads one second file in the process of the network that the method for this optimizing roaming is used before terminal attempts landing shutdown, its idiographic flow is as follows:
When 301) user started shooting, terminal was sent the instruction of reading this second file;
302) SIM card is obtained MCC and MNC data in ground domain information (Location AreaInformation-LAI) data segment of being stored in this second file;
303) SIM card is obtained the MCC data in the international mobile subscriber identifier of being stored in one the 3rd file (International Mobile Subscribe Identity-IMSI);
304) relatively whether the MCC among the IMSI of the MCC in the LAI data segment of this second file and the 3rd file is identical, if identical, jumps to step 309, if different, carries out next step;
305) SIM card is searched for this first file, and whether sequential search exists the record of a network information, and the MCC content is identical in the LAI data segment of the MCC of this record and this second file, if having, goes to next step, if do not have, then execution in step 309;
306) obtain the MNC of article one record of coupling;
307) judge whether the MNC content in the LAI data segment is identical in this MNC and this second file, if identical, jumps to step 309,, carry out next step if different;
308) replace the content of the MNC in the LA I data segment of this second file with this MNC content;
309) SIM card is carried out the instruction of reading this second file.
Like this, when terminal is sent the instruction of reading this second file, MCC that reads in the LAI data segment from this second file and the content of MNC, all the time be consistent with information in this first file, this just can guarantee that all terminals are obtained list of preferred networks from this first file in landing the process of network and the operation attempting landing can not skipped.
In addition, will increase the time that terminal reads this second file for the handling process of this second file, the time of increase can not be above 0.2 second.
According to the regulation in the international norm, terminal can not be landed the network of visiting in the network information tabulation that appears in one the 4th file automatically, therefore, in order to guarantee the normal realization of optimizing roaming, need guarantee that the preferred network information can not appear in the network information tabulation of the 4th file.As shown in Figure 4, realize forbidding that the handling process that the content in this first file appears in the 4th file is as follows:
401) terminal is sent the instruction of upgrading the 4th file to SIM card;
402) SIM card is obtained the content of renewal;
403) judge whether the content of upgrading appears in this first file, if having, then jumps to step 405, if do not have, carries out next step;
404) SIM card is carried out the instruction of upgrading the 4th file;
405) SIM card is returned " successful execution instruction " to terminal.
Handling process to the 4th file will increase the time that terminal is upgraded the 4th file, and the time of increase can not be above 0.2 second.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. the method for an optimizing roaming, concrete workflow comprises:
When 501) user started shooting, terminal was sent the instruction of one second file in the reading SIM card, the network information of using before the storage user shuts down in described second file;
502) SIM card is obtained mobile country code MCC and mobile network code, MNC MNC data in the ground domain information LAI data segment of being stored in this second file;
503) SIM card is obtained the MCC data among the international mobile subscriber identifier IMSI that is stored in the 3rd file, the network information of storage user attaching in described the 3rd file;
504) relatively whether the MCC among the IMSI of the MCC in the LAI data segment of this second file and the 3rd file is identical, if identical, jumps to step 509, if different, carries out next step;
505) SIM card is searched for first file, whether sequential search exists the record of a network information, the MCC content is identical in the LAI data segment of the MCC of this record and this second file, if have, go to next step, if no, then execution in step 509, the network information in described first file in the storage list of preferred networks;
506) obtain the MNC of article one record of coupling;
507) judge whether the MNC content in the LAI data segment is identical in this MNC and this second file, if identical, jumps to step 509,, carry out next step if different;
508) replace the content of the MNC in the LAI data segment of this second file with this MNC content;
509) SIM card is carried out the instruction of reading this second file;
510) can terminal attempt landing the network that uses before the shutdown that is stored in second file, if can, then use described network, if can not, go to next step;
511) terminal is attempted the network of login user ownership, if can, then use described network, if can not, go to next step;
512) read the network information in the list of preferred networks in first file of terminal from be stored in user's SIM card;
513) attempt landing a network in the described list of preferred networks by tab sequential, if can, then use described network, if can not, go to next step;
514) network of judging current whether all signals all lands failure, if not, then attempt landing network according to the strong and weak order of current network signal, if, then land network failure, currently can't use network.
2. the method for optimizing roaming as claimed in claim 1 is characterized in that, this first file in the described method can carry out remote file updates by aerial instruction interaction (over the air-OTA) mode.
3. the method for optimizing roaming as claimed in claim 2 is characterized in that, the processing to this second file in the described method can increase the time that terminal reads this document, and the time of this increase was smaller or equal to 0.2 second.
4. the method for optimizing roaming as claimed in claim 1 is characterized in that, in the described method, the user does not have the authority of modification for this first file.
5. the method for optimizing roaming as claimed in claim 4 is characterized in that, is used in the described method realize that the workflow of limited subscriber modification authority is as follows:
71) terminal is sent update instruction to user's SIM card;
72) judge in this instruction whether be the instruction of upgrading this first file, if, directly jump to step 74, if do not have, carry out next step;
73) SIM card is carried out update instruction;
74) SIM card is returned " successful execution instruction " to terminal.
6. the method for optimizing roaming as claimed in claim 1 is characterized in that, the network information of being stored in this first file is forbidden appearing at one and is used for storing the 4th file of the network information of forbidding that the user lands.
7. the method for optimizing roaming as claimed in claim 6 is characterized in that, realizes that the network information in first file forbids that the workflow that appears in the 4th file is as follows:
91) terminal is sent the instruction of upgrading the 4th file to SIM card;
92) SIM card is obtained the content of renewal;
93) judge whether the content of upgrading appears in this first file, if having, then jumps to step 95, if do not have, carries out next step;
94) SIM card is carried out the instruction of upgrading the 4th file;
95) SIM card is returned " successful execution instruction " to terminal.
8. the method for optimizing roaming as claimed in claim 7 is characterized in that, can increase the time that terminal is upgraded the 4th file to the processing of the 4th file, and the time of this increase was smaller or equal to 0.2 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100802465A CN100442889C (en) | 2005-07-01 | 2005-07-01 | Method for optimizing roaming |
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| CNB2005100802465A CN100442889C (en) | 2005-07-01 | 2005-07-01 | Method for optimizing roaming |
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| CN1893695A CN1893695A (en) | 2007-01-10 |
| CN100442889C true CN100442889C (en) | 2008-12-10 |
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| CNB2005100802465A Active CN100442889C (en) | 2005-07-01 | 2005-07-01 | Method for optimizing roaming |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101711050B (en) * | 2009-11-20 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for selecting RPLMN |
| US8996002B2 (en) * | 2010-06-14 | 2015-03-31 | Apple Inc. | Apparatus and methods for provisioning subscriber identity data in a wireless network |
| CN102137382B (en) * | 2010-10-08 | 2014-12-03 | 华为技术有限公司 | Method and system for implementing network retainability as well as application server (AS) |
| US9414305B2 (en) * | 2013-02-04 | 2016-08-09 | Metropcs Wireless, Inc. | Intelligent network selection system |
| CN104349269B (en) * | 2013-08-08 | 2018-10-30 | 华为终端（东莞）有限公司 | A kind of methods, devices and systems of update policy control functions information |
| CN104717724A (en) * | 2013-12-12 | 2015-06-17 | 北京信威通信技术股份有限公司 | Network access method and device |
| CN106465248B (en) * | 2014-03-28 | 2020-04-03 | 华为终端有限公司 | Roaming network access method and device |
| CN105554847B (en) * | 2015-09-29 | 2019-03-22 | 宇龙计算机通信科技(深圳)有限公司 | A kind of network registering method and mobile terminal |
| CN108235406A (en) * | 2016-12-14 | 2018-06-29 | 联芯科技有限公司 | Wireless communication terminal roaming place network registering method and system |
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| EP1463366A2 (en) * | 2003-03-24 | 2004-09-29 | Star Home GmbH | Preferred network selection |
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