CN101141818B - Network cell dwelling and converting method, device and subscriber terminal - Google Patents
Network cell dwelling and converting method, device and subscriber terminal Download PDFInfo
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Abstract
本发明实施例涉及一种网络小区驻留方法，该方法包括：发送小区选择请求信息，该小区选择请求信息包含欲驻留的网络小区的网络号码；根据返回的用户识别码，修改用户卡中的信息；刷新后根据该修改后的用户卡中的信息驻留到该网络小区；另外，本发明实施例还涉及网络小区驻留装置、网络小区转换方法、装置和用户终端，通过上述方法、装置和用户终端，使用户可以根据自己的业务需要，控制用户终端驻留到指定的网络覆盖层，同时，对终端、设备的兼容性及信号覆盖要求低，较容易实现。
The embodiment of the present invention relates to a method for camping in a network cell. The method includes: sending cell selection request information, the cell selection request information includes the network number of the network cell to camp in; information; after refreshing, reside in the network cell according to the information in the modified user card; in addition, the embodiment of the present invention also relates to a network cell camping device, a network cell conversion method, device and user terminal, through the above method, Devices and user terminals enable users to control user terminals to reside in designated network coverage layers according to their own business needs. At the same time, the requirements for terminal and equipment compatibility and signal coverage are low, which is easier to implement.
Description
Technical field
The embodiment of the invention relates to mobile communication technology, relates in particular to a kind of network cell resident and conversion method, device and user terminal.
Background technology
Wideband Code Division Multiple Access (WCDMA) (WCDMA) has dropped into widely in the whole world and has used, the WCDMA number of users constantly increases, telephone traffic improves constantly, network is developing to jumbo direction, meanwhile, improve the wireless technology of throughput and also introduce in succession, come into operation as high order modulation demodulation, high speed downlink packet access/high-speed uplink packet access technique etc.; On the other hand, networking form such as Microcell, picocell, overlay network are introduced in the networking plan widely, and particularly in this zonule of family, the past is the weak place that macro base station covers always, consider that also introducing the Home eNodeB cover layer covers, as the WAP (wireless access point) of WCDMA.
The WAP (wireless access point) of 3-G (Generation Three mobile communication system) is a kind of new kenel product, and its application faces the problem with the existing network coupling, and adopting the layering networking technology is a kind of effective ways that address this problem.Adopt Hierarchical Network, to bring great flexibility to networking, simultaneously, also helpful to operation, operator can be according to own professional needs, with different business, be carried on the different network layers, simultaneously can formulate different rates, for third generation network operation brings great flexibility at the heterogeneous networks layer.
In using the process of Hierarchical Network, have only and realized that (User Equipment, the UE) control of residing network layer just can reach the purpose of flexible use Hierarchical Network to user terminal.
At present, the method of control user terminal residing network layer has two kinds: first kind is the difference of utilizing signal strength signal intensity, carries out network layer for UE and selects, and UE selects usually with under the coverage condition, the sub-district that signal is the strongest, second kind is to adopt layered cell structure (Hierarchical cell structure, HCS) technology, the common zone that covers in a plurality of sub-districts, for each sub-district is provided with different ranks, be handed down to UE by Cell Broadcast CB, UE selects the sub-district according to parameter
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: when the difference of utilizing signal strength signal intensity is selected network cell, if the overlapping covering in a plurality of sub-districts, particularly under situation with frequency, the leading sub-district of neither one can be selected for UE, thereby can't realize the networking requirement of Hierarchical Network; When adopting layered cell structure choice of technology network cell, issue parameter by system message, all UE are worked, can not control section UE resident, cause control dumb, and a large amount of UE of the easy attraction in high-level sub-district, load inequality between network layer caused.
Summary of the invention
The embodiment of the invention provides network cell resident and conversion method, device and user terminal, to realize to the resident control of the network of the overlapping coverage cell of multilayer, make the user control the resident network coverage layer of user terminal according to the service needed of oneself to appointment; Adopt existing related protocol, minimum to compatibility, the compatibility of apparatus requirement of terminal, be convenient to adopt in the actual networking; Simultaneously, adopt prior network device, do not need to increase new hardware, can use the networking resource of operator preferably, be easier to realize.
The embodiment of the invention provides a kind of network cell staying method, comprising:
Send the cell selecting solicited message, this cell selecting solicited message comprises the network number of the resident network cell of desire;
User identification code IMSI according to the network number of this network cell that returns is changed revises the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI;
It is resident to the resident network cell of described desire according to the information in the amended subscriber card to refresh the back.
By said method, make the user control the resident network cell of user terminal according to the service needed of oneself to appointment; Simultaneously, adopt existing related protocol, minimum to compatibility, the compatibility of apparatus requirement of terminal, be convenient to adopt in the actual networking.
The embodiment of the invention also provides a kind of network cell conversion method, comprising:
Receive the cell selecting solicited message, comprise the network number of desiring the residing network sub-district in this cell selecting solicited message;
The network number of this network cell is converted to user identification code, and described user identification code sent to user terminal, so that described user terminal is revised the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI according to described user identification code, and refreshing the back according to the resident resident network cell of described desire that arrives of the information in the amended subscriber card.
Pass through said method, make the user select to use the network of grand covering or the network that the Home eNodeB cover layer covers according to the service needed of oneself, the resident network cell of control user terminal to appointment, simultaneously, adopt prior network device, do not need to increase new hardware, can use the networking resource of operator preferably, be easier to realize.
The embodiment of the invention provides a kind of network resident device, comprising:
Send request module, be used to send the cell selecting solicited message, this cell selecting solicited message comprises the network number of the resident network cell of desire;
Modified module is used for the user identification code IMSI according to the network number conversion of this network cell that returns, and revises the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI;
Resident module, it is resident to this network cell according to the information of this amended subscriber card to be used for refreshing the back.
Said apparatus, not only can realize controlling the resident any one deck in Hierarchical Network of user terminal, and the prior protocols major part equipment all supporting the embodiment of the invention and adopted, require low to terminal, compatibility of apparatus, low to requiring of covering of signal, realize than being easier to.
The embodiment of the invention also provides a kind of network unit-switch, comprising:
Receive request module, be used to receive the cell selecting solicited message that comprises the network number of desiring the residing network sub-district;
Modular converter is used for converting the network number of this network cell to user identification code;
The user identification code sending module, be used for described user identification code is sent to user terminal, so that described user terminal is revised the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI according to described user identification code, and refreshing the back according to the resident resident network cell of described desire that arrives of the information in the amended subscriber card.
Said apparatus, not only can realize controlling the resident any one deck in Hierarchical Network of user terminal, and the prior protocols major part equipment all supporting the embodiment of the invention and adopted, require low to terminal, compatibility of apparatus, low to requiring of covering of signal, realize than being easier to.
The embodiment of the invention also provides a kind of user terminal, comprises mobile device ME and Universal Integrated Circuit Card UICC, and wherein, mobile device ME comprises:
Send request module, be used to send the cell selecting solicited message, this selection solicited message comprises the network number of the resident network cell of desire;
The user identification code receiver module is used to receive the user identification code of the network number conversion of this network cell that returns;
Refresh module refreshes mobile device ME after being used for revising the information of subscriber card;
Resident module is used for refreshing behind the mobile device ME resident to described network cell according to the information of described amended subscriber card;
Universal Integrated Circuit Card UICC comprises:
Modified module is used for revising the constituent instruments EF field of subscriber card IMSI and the EF field of LOCI according to the described user identification code of returning.
Above-mentioned user terminal adopts existing related protocol, and is minimum to the compatibility of apparatus requirement, is convenient to adopt in the actual networking; Simultaneously, utilized prior network device preferably,, thereby do not needed to increase new hardware, can use the networking resource of operator preferably as 3G system equipment, SMS platform, OTA platform.
Below by drawings and Examples, the technical scheme of the embodiment of the invention is described in further detail.
Description of drawings
Fig. 1 is the flow chart of embodiment of the invention network cell staying method;
Fig. 2 is the structural representation of the resident device of embodiment of the invention network cell;
Fig. 3 is the flow chart of embodiment of the invention network cell conversion method;
Fig. 4 is the structural representation of embodiment of the invention network cell conversion equipment;
Fig. 5 is the structural representation of embodiment of the invention user terminal.
Embodiment
As shown in Figure 1, the flow chart for embodiment of the invention network cell staying method specifically comprises the steps:
When user terminal enters an overlapping covering of multitiered network regional, can receive the network cell tabulation of overlapping overlay network sub-district, this step also can otherwise offer this network cell of user by operator and tabulate and realize;
Any one user terminal, if wish to insert certain network cell, just can send the cell selecting solicited message of the network number that comprises the resident network cell of desire, specifically can be by sending note or sending the cell selecting solicited message by network (web) mode.
The user identification code of the network number conversion of this network cell that step 103, basis are returned is revised the information in the subscriber card;
Network number conversion by this sub-district draws user identification code, be stored in the remote document update command and be handed down to user terminal, user terminal is revised user identification code (International MobileSubscriber Identification Number in the subscriber card, IMSI) constituent instruments (Elementary Files, EF) the EF field of field and local identification code (LOCI); The network number of above-mentioned network cell can be public land mobile net network number (PLMN), comprises Mobile Country Code MCC (MCC) and Mobile Network Code (MNC); User identification code (IMS I) comprises Mobile Country Code MCC (MCC), Mobile Network Code (MNC) and mobile subscriber's international number (MSISDN).
Because EF
IMSI, EF
LOCIChanged, then registered public land mobile net network number (RegisteredPLMN, RPLMN) also can change, after user terminal refreshes, can preferentially select the RPLMN network according to user identification code in the amended subscriber card and local identification code, at this moment, the sub-district of RPLMN representative is exactly that the user wishes resident sub-district.Wherein refresh operation can carry out integral body by user terminal and restarts and finish, and also can restart correlation module in the user terminal and finish.
Above-mentioned user terminal sends the tectal solicited message of access to family base station by short message mode and finishes by up-on command, this up-on command is " a special note number ", be that user terminal sends special note number, this special note number can be decided through discussion jointly with operator.
If the user triggers user terminal selecting by the website and inserts the specified network layer, at first sign in on the file management website that comprises usim card information in the Web mode, the input user terminal number, select the network number of the resident network cell of desire, can send " special note number ", therefore, for user terminal, there is not up-on command; Utilize aerial (Over The Air then, OTA) download system sends the cell selecting solicited message, after network side is received solicited message, issue the remote document update command and give user terminal, user terminal is revised the EF field of user identification code in the subscriber card and the EF field of local identification code according to this order, behind the subscriber card content changing, user terminal can refresh, then according to amended user identification code and the resident network cell to appointment of local identification code.
Above-mentioned steps 101-step 104 is concrete processing procedures of terminal, when the user wishes to insert certain network cell, use the EF field in the usim card agent list to start point-to-point note data download function (Datadownload via SMS-PP), send the cell selecting solicited message by note or website to network side, after network side is received solicited message, the remote document update command that will comprise user identification code is handed down to the user terminal that sends solicited message, user terminal is according to the remote document update command of returning, revise the EF field of user identification code IMSI in the subscriber card and the EF field of local identification code LOCI, behind the subscriber card content changing, UE refreshes, then according to amended IMSI and the resident network cell of LOCI to appointment, withdraw from the sub-district of the overlapping covering of multitiered network as the user, after moving to the zone of the overlapping covering of non-multitiered network, user terminal can be chosen the sub-district that covering is provided automatically.
The foregoing description makes the user can be according to the service needed of oneself, adopts the mode of initiatively initiating to control the resident network coverage layer to appointment of user terminal, and to signal cover, compatibility of apparatus requires lowlyer, be easier to realize.
As shown in Figure 2, structural representation for the resident device of embodiment of the invention network cell, the resident device of this network cell specifically comprises: send request module 11, be used to send the cell selecting solicited message, this cell selecting solicited message comprises the network number of the resident network cell of desire; Modified module 12 is used for revising the information in the subscriber card according to the user identification code IMSI that returns; Resident module 13, it is resident to the resident network cell of above-mentioned desire according to the information of amended subscriber card to be used for refreshing the back.
Above-mentioned subscriber card comprises that (SIM TOOL KIT STK) blocks etc. for USIM (USIM) card, subscriber identification module (SIM) card and STK.
According to this device, the user terminal utilization sends request module 11 sends the network number that comprises the resident network cell of desire by short message mode or web mode cell selecting solicited message, when adopting short message mode, the user can use number transmission of special-purpose USIM/STK Cavan part Long-distance Control to select solicited message by operating mobile terminal, when utilizing the website, sign in on the file management website that comprises usim card in the Web mode, menu is operated; Network side is according to the instruction that receives, issue USIM remote document update command and give the UE that sends the cell selecting solicited message, after UE receives orders, adopt modified module 12 to specify the EF file to upgrade according to mentioned order, in case the content of new regulation more, UE refreshes, and utilizes resident module 13 resident to this network cell according to the content after upgrading then, has realized the selection freely of sub-district.
The foregoing description makes the user control the resident network coverage layer to appointment of user terminal according to the service needed of oneself; Lower to requirement for signal coverage; Adopt prior network device, as 3G system equipment, SMS platform, OTA platform, most existing 3G UE supports, usim card in the use is also supported correlation function, therefore do not need to increase new hardware, utilized the networking resource of operator preferably, be easier to realize; Terminal, equipment compatibility are required low, adopted USAT, usim card, note and OTA have related protocol, minimum to compatibility, the compatibility of apparatus requirement of terminal, be convenient to adopt in the actual networking.
As shown in Figure 3, the schematic diagram for embodiment of the invention network cell conversion method specifically comprises the steps:
Step 201, reception comprise the cell selecting solicited message of the network number of desiring the residing network sub-district;
Network side receives the cell selecting solicited message that comprises the network number of desiring the residing network sub-district that sends by note or WEB mode.
Step 202, the cell selecting solicited message carried out the access authentication judge, when authentication by the time, the network number of this network cell converted to user identification code and send.
By the access authentication, make that the user terminal with different stage priority can be resident to different network cells, and be unlikely to cause the network load inequality, reduce complexity; Also can not carry out authentication in this step and judge, directly the network number of receiving is converted to user identification code and transmission.
Network side utilizes existing aerial (OTA) download mechanism and equipment, or note system, the network cell information that has in the request is converted into corresponding IMS I, be handed down to the UE that files a request by aerial download mechanism or note system then, the remote document update command is sent to user terminal to be finished by downlink command, application toolkit (USAT) for the ease of US IM can be discerned, and the downlink command that note transmits should adopt the form of agreement regulation, and is as shown in table 1.
| Download label | Length | Device identification | The address | The note data unit |
Table 1
Wherein, download the tag mark field D1 in the label employing agreement, represent that this note is the order note, passes to usim card with it; Device identification comprises four parts, and its form is as shown in table 2.
| Byte | Describe |
| 1 | " device identification " part label |
| 2 | Length |
| 3 | The source device sign |
| 4 | The destination device sign |
Table 2
" source device sign "=" 83 " (network) in the present embodiment, " destination device sign "=" 81 " (purpose); Address packet bracket code type (Type of Number, TON), number differentiate (NumberingPlan Identification, NPI) and the number of being dialled (Dialing Number String, DNS); The note data unit comprises the data that classification, instruction, P1P2 address and needs are revised, and concrete form is as shown in table 3.
| Classification | Instruction | P1 | P2 | Data |
Table 3
Wherein, classification (CLA) coding " OX " is encoded according to ISO/IEC7816-4, that instruction (INS) is adopted is field D6, P1P2 represents " 6F07 ", the user identification code that data (DATA) expression is new, this new user identification code comprises new network number and mobile subscriber's international number, and old user identification code comprises network number and mobile subscriber's international number before revising, this method is exactly that remote document update command with above-mentioned form is handed down to user terminal, user terminal upgrades existing data in the EF field, finishes the modification to information in the subscriber card.
In addition, before above-mentioned steps 201, can also comprise: the network cell tabulation of sending overlap overlay network sub-district; Because this embodiment mainly is the resident control problem of network that solves the overlapping coverage cell of multilayer, so before the tabulation of the network cell of sending overlap overlay network sub-district, can also comprise: will desire the residing network sub-district and with the different network number of network number arrangement of the network cell of this overlapping covering in desire residing network sub-district, in order to reduce the roaming mistaken verdict, the network number of each layer network sub-district is made into the network number of equivalence on core net simultaneously.
The above-mentioned steps 201-step 202 of present embodiment is the concrete processing procedure of network side, receive the cell selecting solicited message that comprises the network number of desiring the residing network sub-district of user terminal transmission when network side after, at first solicited message is carried out the access authentication, utilize existing mechanism and equipment that the network number of this network cell is converted to user identification code then, and it is encapsulated in the remote document update command, send to user terminal by aerial download mechanism or note system.
The foregoing description, with UE access network side, network does not need to revise parameter, and is less for the influence of network; This embodiment adopts existing equipment and agreement simultaneously, terminal, equipment compatibility is required low, is easier to realize.
As shown in Figure 4, be the structural representation of embodiment of the invention network cell conversion equipment, this device specifically comprises: receive request module 21, be used to receive the cell selecting solicited message that comprises the network number of desiring the residing network sub-district; Modular converter 22 is used for converting the network number of this network cell to user identification code; User identification code sending module 23 is used to send user identification code.
According to this device, the network side utilization receives request module 21 and receives the cell selecting solicited message that comprises the network number of desiring the residing network sub-district; Utilize modular converter 22 then, network number according to this network cell converts user identification code to, be encapsulated in the remote document update command, utilize user identification code sending module 23 to be handed down to the resident module of user terminal, it is resident to this network cell according to amended user identification code that the resident module of utilizing user terminal refreshes the back, realized the selection freely of sub-district.
The foregoing description can be controlled the resident network coverage layer to appointment of user terminal, does not need to revise parameter for network, and is less for the influence of network; And lower to signal covering, terminal and compatibility of apparatus requirement, be easier to realize.
As shown in Figure 5, structural representation for embodiment of the invention user terminal, this user terminal specifically comprises: mobile device (ME) 31 and the Universal Integrated Circuit Card that links to each other with ME (UICC) 32, wherein, mobile device ME comprises transmission request module 311 again, be used to send the cell selecting solicited message, this selection solicited message comprises the network number of the resident network cell of desire; User identification code receiver module 312 is used to receive the user identification code of the network number conversion of this network cell that returns; Refresh module 313 refreshes mobile device 31 after being used for revising the information of subscriber card; Resident module 314, it is resident to above-mentioned network cell according to the information of above-mentioned amended subscriber card to be used for refreshing mobile device 31 backs; Universal Integrated Circuit Card UICC comprises modified module 321 again, is used for revising according to the user identification code of returning the information of subscriber card.
User terminal at first utilizes and sends request module 311 transmission cell selecting solicited messages, and this selection solicited message comprises the network number of the resident network cell of desire; Network side converts the network number of network cell user identification code to and is handed down to this user terminal, user terminal utilizes user identification code receiver module 312 to receive the user identification code of the network number conversion of this network cell that returns, and modified module 321 is according to the predetermined field of user identification code and local identification code in the user identification code modification subscriber card that returns then; Utilize refresh module 313 to refresh mobile device 31; Utilize resident module 314 resident to this network cell at last according to user identification code in this amended subscriber card and local identification code; Thereby realized the resident freely of network cell.
The foregoing description can be controlled the resident network coverage layer to appointment of user terminal, has adopted existing related protocol, and is minimum to compatibility, the compatibility of apparatus requirement of terminal, is convenient to adopt in the actual networking; Simultaneously, adopt prior network device,, thereby do not need to increase new hardware, can use the networking resource of operator preferably as 3G system equipment, SMS platform, OTA platform.
It should be noted that at last: above embodiment only in order to the technical scheme of the explanation embodiment of the invention, is not intended to limit; Although the embodiment of the invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the embodiment of the invention.
Claims (15)
1. network cell staying method is characterized in that comprising:
Send the cell selecting solicited message, this cell selecting solicited message comprises the network number of the resident network cell of desire;
User identification code IMSI according to the network number of this network cell that returns is changed revises the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI;
It is resident to the resident network cell of described desire according to the information in the amended subscriber card to refresh the back.
2. network cell staying method according to claim 1 is characterized in that described transmission cell selecting solicited message is specially: send the cell selecting solicited message by note or network mode.
3. network cell staying method according to claim 1 is characterized in that also comprising before the described transmission cell selecting solicited message: receive the network cell tabulation.
4. network cell staying method according to claim 1, the network number that it is characterized in that described network cell is public land mobile net network PLMN, comprises Mobile Country Code MCC MCC and Mobile Network Code MNC.
5. network cell staying method according to claim 1 is characterized in that described user identification code IMSI comprises Mobile Country Code MCC MCC, Mobile Network Code MNC and mobile subscriber's international number MSISDN.
6. network cell conversion method is characterized in that comprising:
Receive the cell selecting solicited message, comprise the network number of desiring the residing network sub-district in this cell selecting solicited message;
The network number of this network cell is converted to user identification code, and described user identification code sent to user terminal, so that described user terminal is revised the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI according to described user identification code, and refreshing the back according to the resident resident network cell of described desire that arrives of the information in the amended subscriber card.
7. network cell conversion method according to claim 6 is characterized in that also comprising before described reception cell selecting solicited message: the network cell tabulation of sending overlap overlay network sub-district.
8. network cell conversion method according to claim 7, it is characterized in that also comprising before the network cell tabulation of described sending overlap overlay network sub-district: the network number of described overlapping overlay network sub-district is set to the network number of equivalence.
9. network cell conversion method according to claim 8 is characterized in that described transmission user identification code is specially: send user identification code by aerial OTA download mechanism or note system.
10. network cell conversion method according to claim 9 is characterized in that described user identification code sends by the remote document update command.
11. network cell conversion method according to claim 6, it is characterized in that described network number this network cell converts user identification code to and also comprises: the cell selecting solicited message is carried out the access authentication, when authentication is passed through, the network number of this network cell is converted to user identification code.
12. the resident device of network cell is characterized in that comprising:
Send request module, be used to send the cell selecting solicited message, this cell selecting solicited message comprises the network number of the resident network cell of desire;
Modified module is used for the user identification code IMSI according to the network number conversion of this network cell that returns, and revises the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI;
Resident module, it is resident to described network cell according to the information of amended subscriber card to be used for refreshing the back.
13. the resident device of network cell according to claim 12 is characterized in that described subscriber card comprises USIM card, subscriber identify module card and STK card.
14. a network cell conversion equipment is characterized in that comprising:
Receive request module, be used to receive the cell selecting solicited message that comprises the network number of desiring the residing network sub-district;
Modular converter is used for converting the network number of this network cell to user identification code;
The user identification code sending module, be used for described user identification code is sent to user terminal, so that described user terminal is revised the constituent instruments EF field of IMSI in the subscriber card and the EF field of LOCI according to described user identification code, and refreshing the back according to the resident resident network cell of described desire that arrives of the information in the amended subscriber card.
15. a user terminal comprises mobile device ME and Universal Integrated Circuit Card UICC, it is characterized in that:
Mobile device ME comprises:
Send request module, be used to send the cell selecting solicited message, this selection solicited message comprises the network number of the resident network cell of desire;
The user identification code receiver module is used to receive the user identification code of the network number conversion of this network cell that returns;
Refresh module refreshes mobile device ME after being used for revising the information of subscriber card;
Resident module is used for refreshing behind the mobile device ME resident to described network cell according to the information of described amended subscriber card;
Universal Integrated Circuit Card UICC comprises:
Modified module is used for revising the constituent instruments EF field of subscriber card IMSI and the EF field of LOCI according to the described user identification code of returning.
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| EP2293606A4 (en) * | 2008-06-11 | 2014-06-11 | Sharp Kk | Mobile station device, base station device, and mobile communication system |
| CN110719615B (en) * | 2019-10-21 | 2021-12-28 | 广州爱浦路网络技术有限公司 | Method for user terminal to switch base station attachment |
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| CN1829350A (en) * | 2005-03-03 | 2006-09-06 | 乐金电子(中国)研究开发中心有限公司 | International mobile user identity code updating method for mobile communication terminal |
| CN1835628A (en) * | 2005-03-15 | 2006-09-20 | 华为技术有限公司 | Method of access of radio network netgate for user's terminal |
| CN101009944A (en) * | 2007-01-24 | 2007-08-01 | 中兴通讯股份有限公司 | A method for restricting the access of the user terminal in the 3G network |
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