CN101150851A - Method, server and mobile station for transmitting data from server to mobile station - Google Patents
Method, server and mobile station for transmitting data from server to mobile station Download PDFInfo
- Publication number
- CN101150851A CN101150851A CNA2006101689337A CN200610168933A CN101150851A CN 101150851 A CN101150851 A CN 101150851A CN A2006101689337 A CNA2006101689337 A CN A2006101689337A CN 200610168933 A CN200610168933 A CN 200610168933A CN 101150851 A CN101150851 A CN 101150851A
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- radio station
- mobile radio
- sim
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/062—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying encryption of the keys
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method for transmitting data from a server to at least one mobile station is disclosed. The method comprises: a server sends an announcement to a mobile station for notifying data transmission, the mobile station sends a request to the server for transmitting data to the mobile station, the server sends a data transmission response to the mobile station. The mobile station and the server for realizing the method are disclosed.
Description
Technical field
The present invention relates to the data transferring method from the server to the mobile radio station.The invention particularly relates to and be used for server personalization (personalize) method of the Subscriber Identity Module (SIM) of the mobile radio station of (in the field) deployment at the scene.
Background technology
Current, the data between server and the mobile radio station transmit is undertaken by short-message system (SMS) and general packet data wireless traffic (GPRS).The data transfer rate of this agreement preferably only is moderate.Mobile radio station comprises mobile device and Subscriber Identity Module (SIM).Earlier at the personalized blank SIM of factory, for example, the application program of the IMSI International Mobile Subscriber Identity of programming therein (IMSI), one group of acquiescence providing by the service provider etc.Yet after it was disposed at the scene, promptly after it had been issued to the user and has come into operation in mobile device, still having needed personalized SIM.Issued this personalization of SIM, for for example repair existing software defect among (fix) SIM, upgrade SIM content, new application program is loaded into SIM etc. is necessary.Exist several method to finish the personalization of issuing SIM.A kind of method is that the user makes SIM meet service provider pre-conditioned (premise), and wherein SIM removes and insert the card read/write device of programing system from mobile device, is used for being programmed by housebroken business personnel realizing personalization.This method is very inconvenient for the user, and makes service provider labour and resource anxiety.
The other method that is used for personalized SIM is to use SMS to pass through in the air, and (OTA) data from the server to SIM transmit.The method that data " are pushed away " to SIM is favourable for the user, now can remotely execution under the situation that user is not caused any inconvenience because personalized.Although with compare less intensive labor by pre-conditioned personalization, this personalized method remains " expensive " for the service provider, because need several short messages to come personalized single SIM.In order to upgrade a collection of SIM, correspondingly a large amount of SMS will be necessary.Also might can safe transfer arrive the user by not every SMS; Some SMS may lose.With another relevant shortcoming of this long-range personalized method is that short message need use transmission security key to encrypt.For this reason, the service provider need provide the server of the transmission security key of all SIM that can store its distribution.
The improvement of personalized " pushing away " pattern is " drawing " pattern.In " drawing " pattern, the data that server does not start to mobile radio station transmit.On the contrary, the transmission of mobile radio station log-on data.When allocate event took place, mobile radio station sent the request that is used to upgrade to server.If server determines to exist the renewal about mobile radio station, then server will send data updated to mobile radio station.The pattern of this personalization needs mobile radio station to check regularly whether server exists the renewal to mobile radio station.When not upgrading, send the required bandwidth of request and be wasted.
Therefore, expectation has a kind of method of more high bandwidth efficiency, makes server transmit data at least one mobile radio station, for example, where necessary, makes the remotely SIM of personalized its distribution of service provider.
Summary of the invention
According to an aspect of the present invention, provide a kind of method to be used for from server transmissioning data at least one mobile radio station.This method comprises: server at first sends announcement to mobile radio station, is used to notify mobile radio station to have data will be sent to mobile radio station.When mobile radio station received this announcement, mobile radio station sent request to server, is used for request server and transmits data to mobile radio station.Respond this request, server sends response to mobile radio station, so that transmit data to mobile radio station.Mobile radio station comprises portable terminal or equipment, and the Subscriber Identity Module (SIM) that can be connected to mobile device.Therefore data can be sent to mobile device or SIM.The transmission of data includes, but not limited to the download of new file and the renewal of existing file or configuration data.The download of file can comprise script file is downloaded to the personalization that SIM is used for SIM.
According to some embodiment, request and response use a kind of agreement in the internet protocol suite (Internet Protocol suite) to send by mobile radio station and server respectively.Some examples of the agreement of IP family comprise HTTP (HTTP), file transfer protocol (FTP) (FTP) etc.
According to some embodiment, each in mobile radio station and the server all comprises mobile radio station and the shared master key of server.In these embodiments, server produces session key when sending announcement, uses master key to encrypt the session key that produces, and comprising that the announcement of encrypted session key sends to mobile radio station.When mobile radio station receives this announcement, use the encrypted session key in the master key deciphering announcement.Therefore, the mobile radio station that only has a master key can obtain session key.Mobile radio station generation transmission security key and use subsequently is from the transmission security key of the session key generation of server.Mobile radio station sends the request of the transmission security key that comprises encryption to server.When server received this request, server used the transmission security key of its session key decrypt encrypted that early produces.Server uses transmission security key to be used to be sent to the data of mobile radio station subsequently; And send the response comprise enciphered data to mobile radio station.Use this mode, guarantee the transmission of data from server to specific mobile radio station.
In one embodiment, be that the SIM of mobile radio station receives announcement, send request and receive response.In this embodiment, master key is stored among the SIM.This master key can be shared by two or more SIM among a collection of SIM.Therefore these two or more SIM can use master key to become personalized target.When SIM uses ISO-7816 Application Protocol Data Unit command and mobile device interaction, and request and response be when comprising IP family agreement, need be at the agent application of mobile device as the agency between SIM and the server.This agent application is changed between IP family agreement and APDU command.
In the above-mentioned any embodiment that comprises more than a mobile radio station, announcement can be short message service-Cell Broadcast CB (SMS-CB) message.When only comprising a mobile radio station, announcement preferably can be a short message service message (SMS), and short message service-point-to-point (SMS-PP) message preferably.Yet, should be noted that to allow data to send to any host-host protocol of mobile radio station from network, push away etc. as WAP, can be used to send announcement.
According to a further aspect in the invention, provide a kind of mobile radio station, it has the device that is used for carrying out the step that any embodiment that realizes said method carried out by mobile radio station.Usually, mobile radio station comprises: be used for receiving from server the device of announcement, be used to notify mobile radio station to have data will be sent to mobile radio station; Send the device of asking to server, be used for request server and transmit data to mobile radio station; And the device that receives the response that comprises described data from server.As previously mentioned, described mobile radio station comprises mobile device and Subscriber Identity Module (SIM).Therefore said apparatus can be positioned at SIM or mobile device.
According to a further aspect in the invention, provide a kind of software program, this program has the instruction that can be carried out by the processor of one of mobile device and Subscriber Identity Module, is used for realizing the step that the mobile radio station in any embodiment of said method is carried out.
According to a further aspect in the invention, provide a kind of server, have the device of the step that the server of any embodiment that is used for carrying out said method carries out.Usually, server comprises sending to mobile radio station and is used to notify mobile radio station to have data will be sent to the device of the announcement of mobile radio station; Be used for being used for request server transmits device from the request of data to mobile radio station from the mobile radio station reception; And the device that is used for sending the response that comprises described data to mobile radio station.
According to following detailed description, in conjunction with the accompanying drawing that illustrates the principle of the invention as an example, it is clear that other aspects of the present invention and advantage will become.
Description of drawings
With reference to accompanying drawing, will understand the present invention better, in the accompanying drawings:
Fig. 1 is according to embodiments of the invention, comprises mobile radio station and is used for transmitting to mobile radio station the schematic diagram of system of the server of data;
Fig. 2 is the schematic diagram of mobile radio station among Fig. 1, and this mobile radio station comprises mobile device and Subscriber Identity Module (SIM); And
Fig. 3 is according to an embodiment, in order to be used for the flow chart of server transmissioning data to the sequence of steps of the method for mobile radio station in the system that realizes Fig. 1.
Embodiment
As be used for as shown in the accompanying drawing of diagram purpose, the present invention is presented as that server transmits the new method of the Subscriber Identity Module that is used for personalized mobile radio station (SIM) of data to mobile radio station.Fig. 1 has shown system 2, and this system 2 comprises server 4 and the mobile radio station 6 that is used for global system for mobile communications (GSM) network 8.In addition, server 4 uses Internet Protocol (IP) family agreement to intercom mutually with mobile radio station 6 by internet 10.With reference to figure 2, mobile radio station 6 comprises portable terminal or equipment (ME) 12, and has the electronics " smart card " that is supported in mobile device 12 or the authentication token (authentication token) of chip card (being equipped with microprocessor) form.When using in GSM network 8, this authentication token is considered to Subscriber Identity Module (SIM) 14.
Application program is stored in SIM 14 cards, more specifically in SIM memory 24.These application programs make SIM 14 and portable terminal 12 to interact.These application programs can be by SIM application tool collection or similar platform support.These application programs can use some computer programming languages to develop, as C, Java
TM, or any other special program language.The typical application program comprises that data download and " incident " are to SIM 14.Data record is stored in the constituent instruments that are considered in the SIM memory 24.
It is preceding to be issued to user's (not showing) at SIM 14, and SIM 14 is programmed with unique IMSI International Mobile Subscriber Identity (IMSI) by the producer of SIM 14.In addition, SIM 14 is programmed with secret master key CardMsKey by the producer of SIM 14 or the service provider of distribution SIM 14.Master key CardMsKey is the shared key of a collection of SIM under the SIM 14.In this case, master key CardMsKey is a symmetric key.Yet, should be noted that, can also use unsymmetrical key.
After SIM 14 is issued to the user, needs when SIM 14 has individually or, for example, send software patch to SIM and repair software defect in batches by further personalization.In order to carry out this personalization, server 4 sends announcement 26 to mobile radio station 6, is used for notifying mobile radio station 6 to have data will be sent to mobile radio station 6.After mobile radio station 6 received this announcement, mobile radio station 6 sent request 27 to server 4, was used for request server 4 to mobile radio station 6 transmission data.Server 4 sends response 28 to mobile radio station then, is used for transmitting data to mobile radio station and comes personalized SIM 14.
According to one embodiment of present invention, new SIM tool set application program is stored in SIM memory 24, is used to allow from the server to the mobile radio station data of 6 SIM 14 to transmit.This application program is worked as at Java
TMThe SIM of Card Type goes up when realizing and is also referred to as applet (applet), or more specifically is cardlet (card small routine).
At mobile radio station 6, more particularly at SIM 14, sequence 30 then advances to and receives announcement phase 36.In this step 36, when sign SMS-CB message be remote notify from server 4, SIM14 used the master key CardMsKey that is stored among the SIM 14, and information encrypted in the deciphering announcement is with URL address, certificate parameter and the session key of acquisition server 4.Because have only the SIM of particular batch to have this master key CardMsKey, thus have only this batch SIM can find that certificate parameter is effective, thus know that they are targets of the personalization of server 4.When SIM 14 finds that certificate parameter is invalid, can ignore announcement 26.Yet when SIM 14 found that certificate parameter is effective, SIM 14 can use URL address and session key SvrSnKey, so that proceed personalization.Then sequence 30 enters and sends request step 40, and SIM 14 produces transmission security key CardTpKey therein.Other SIM in this batch will produce transmission security key separately similarly.For example, transmission security key CardTpKey can be to use short message service (SMS) key identifier (Kid) (specifying) of (OTA) personalization aloft or the key of encryption (ciphering) key identifier (KIc) sign in GSM 03.48 standard.The transmission security key CardTpKey that specific SIM produces can be different for the different sessions that comprises SIM 14, thereby strengthen fail safe.
Sending request step 40, SIM 14 uses session key SvrSnKey, encrypted transmission ciphering key ardTpKey.SIM 14 is encoded to 7-bit A SCII data block with the transmission security key CardTpKey that encrypts then, with in the HTTP request message as the parameter transmission.The transmission security key CardTpKey of the encryption that SIM 14 will encode appends to the URL address from server 4, thus for example obtain such as
Http:// www.operatorserver.com/getPatch.cqi? CardTpKey=HsjvnIsfhkjskseliudjAnd so on modified URL.SIM 14 passes through APDU, for example carrying person's standalone protocol of appointment (bearer independent protocol, BIP) APDU, the URL that the agency in mobile device 12 (not having to show) transmission is revised in GSM 11.14 standards.This agency is converted to the HTTP request with APDU.This agency asks to the HTTP that server 4 sends the URL that comprises modification by internet 10, is connected so that open with its HTTP.
Advantage is there is not the waste of bandwidth in such scheme.Unlike the prior art, mobile radio station 6 does not check whether server 4 needs personalization.No matter when personal needs is performed, and server 4 all will send announcement to mobile radio station 6.Therefore obtained the more effective scheme of bandwidth.In addition, unlike the prior art, need simpler so more cheap server to realize this scheme.Server does not need to keep the database of mobile radio station key.Server only needs to produce announcement SMS-CB, and uses common gateway interface (CGI) method, carries out the encryption of APDU script file to use transmission security key CardTpKey.
Although the present invention is described to realize in the above-described embodiments, and is not interpreted as and is confined to this.For example, data can be sent to mobile device rather than SIM.
And for example, mobile device can use other agreements, and for example file transfer protocol (FTP) (FTP) rather than HTTP are with server communication.
For another example, this method can be used for personalized single SIM or SIM in a small amount.In this case, announcement can be a SMS-PP message.
Claims (11)
1. method (30) that is used for transferring data at least one mobile radio station (6) from server (4), this method (30) comprising:
Mobile radio station (6) sends (40) to server (4) and is used for request server (4) transmits request (27) from data to mobile radio station (6);
Server (4) sends (44) responses (28) in response to described request to mobile radio station (6), so that transmit data to mobile radio station (6);
It is characterized in that this method (30) also comprises:
Before server (4) sent request, server (4) sent (34) announcements (26) to mobile radio station (6), is used to notify mobile radio station (6) to have data will be sent to mobile radio station (6) at mobile radio station (6).
2. method according to claim 1 (30) is characterized in that using a kind of agreement in the internet protocol suite to send request (27) and response (28).
3. method according to claim 1 and 2 (30) is characterized in that in mobile radio station (6) and the server (4) each comprises shared master key, and server (4) sends (34) announcement and comprises:
Server (4) produces session key;
Server (4) uses master key to encrypt the session key that produces; And
Server (4) sends the announcement (26) that (34) comprise encrypted session key to mobile radio station (6).
4. method according to claim 3 (30) is characterized in that mobile radio station (6) sends (40) requests (27) and comprising:
Mobile radio station (6) uses the encrypted session key in the described master key deciphering announcement (26);
Mobile radio station (6) produces transmission security key;
Mobile radio station (6) uses the transmission security key from the session key generation of server (4); And
Mobile radio station (6) sends the request (27) that (40) comprise the transmission security key of encryption to server (4);
And its feature is that also server (4) sends (44) responses (28) and comprising:
Server (4) uses session key to decipher encrypted transmission security key;
Server (4) uses transmission security key to be used to be sent to the data of mobile radio station (6); And
Server (4) sends the response (28) that (44) comprise enciphered data to mobile radio station (6).
5. method according to claim 3 (30), it is characterized in that mobile radio station (6) comprises mobile device (12) and can be connected to the Subscriber Identity Module SIM (14) of mobile device (12), and its feature is that also SIM 14 receives announcement (26), sends (40) requests (27) and receives response (28).
6. method according to claim 5 (30) is characterized in that master key is stored among the SIM 14 and shared by two or more SIM.
7. according to the described method of aforementioned arbitrary claim (30), it is characterized in that announcement (26) comprises short message service-cell broadcast messages.
8. a mobile radio station (6) comprising:
Be used for sending the device of (40) requests (27), be used for request server (4) and transmit data to mobile radio station (6) to server (4);
Be used for receiving the device that (46) comprise the response (28) of described data from server (4);
It is characterized in that mobile radio station (6) also comprises:
Be used for receiving the device of (36) announcements (26), be used to notify mobile radio station (6) to have data will be sent to mobile radio station (6) from server (4).
9. the Subscriber Identity Module (SIM) (14) that can be connected to mobile device (12) is used for communicating by letter with server (4) by mobile device (12), and this SIM (14) comprising:
Be used for sending the device of (40) requests (27), be used for request server (4) and transmit data to SIM (14) to server (4);
Be used for receiving the device that (46) comprise the response (28) of described data from server (4);
It is characterized in that SIM (14) also comprises:
Be used for receiving the device of (36) announcements (26), be used to notify SIM (14) to have data will be sent to SIM (14) from server (4).
10. software program, it has can be by the processor (16 of one of the mobile device (12) of mobile radio station (6) and Subscriber Identity Module (14), 22) instruction of Zhi Hanging is used for the method (30) that realization is used for transferring data to from server (4) mobile radio station (6), and this method (30) comprising:
Mobile radio station (6) sends (40) to server (4) and is used for request server (4) transmits request from data to mobile radio station (6);
Mobile radio station (6) receives (46) responses (28) from server (4), and this response (28) comprises described data;
It is characterized in that this method (30) also comprises:
It is preceding to send (40) requests (27) at mobile radio station (6) to server (4), and mobile radio station (6) receives (36) from server (4) and is used to notify mobile radio station (6) to have data will be sent to the announcement (26) of mobile radio station (6).
11. a server (4) comprising:
Be used for receiving the device of (42) requests (27), be used for request server (4) and transmit data to mobile radio station (6) from mobile radio station (6);
Be used for sending the response (28) that (44) comprise described data to mobile radio station (6);
It is characterized in that server (4) also comprises:
Be used for sending the device of (34) announcements (26), be used to notify mobile radio station (6) to have data will be sent to mobile radio station (6) to mobile radio station (6).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2006101689337A CN101150851A (en) | 2006-09-20 | 2006-09-20 | Method, server and mobile station for transmitting data from server to mobile station |
PCT/IB2007/002721 WO2008035183A2 (en) | 2006-09-20 | 2007-09-20 | Method, server and mobile station for transfering data from the server to the mobile station. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNA2006101689337A CN101150851A (en) | 2006-09-20 | 2006-09-20 | Method, server and mobile station for transmitting data from server to mobile station |
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CN101150851A true CN101150851A (en) | 2008-03-26 |
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CNA2006101689337A Pending CN101150851A (en) | 2006-09-20 | 2006-09-20 | Method, server and mobile station for transmitting data from server to mobile station |
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CN (1) | CN101150851A (en) |
WO (1) | WO2008035183A2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101309271B (en) * | 2008-07-09 | 2012-09-26 | 大唐微电子技术有限公司 | User recognition modular service publishing method and system based on wireless communication |
CN102025711B (en) * | 2009-09-11 | 2014-09-17 | ***股份有限公司 | Method of smart card for performing external application communication |
CN104144405A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | Remote user card file managing method and system |
CN105101153A (en) * | 2015-07-28 | 2015-11-25 | 集怡嘉数码科技(深圳)有限公司 | Data roaming method, device and system |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2106191B1 (en) | 2008-03-28 | 2012-12-26 | Vodafone Holding GmbH | A method for updating a smartcard and a smartcard having update capability |
DE102008027043B4 (en) * | 2008-06-06 | 2012-03-08 | Giesecke & Devrient Gmbh | A method for personalizing a security element of a mobile terminal |
EP2374261B1 (en) * | 2008-12-24 | 2019-07-24 | Telecom Italia S.p.A. | Method for automatically transferring an application in a mobile communication terminal of telecommunication networks |
DE102011007534A1 (en) * | 2011-04-15 | 2012-10-18 | Vodafone Holding Gmbh | Data transmission to an identification module in a mobile radio terminal |
EP2566207A1 (en) * | 2011-09-05 | 2013-03-06 | Morpho Cards GmbH | Computer network, mobile telephone device, and computer program for writing encrypted files to a telecommunications access card |
EP2991314A1 (en) * | 2014-08-25 | 2016-03-02 | Gemalto SA | Method and first device for loading an application |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002258966A (en) * | 2001-02-28 | 2002-09-13 | Dainippon Printing Co Ltd | Program download system for general-use subscriber identifying module |
US20040098715A1 (en) * | 2002-08-30 | 2004-05-20 | Parixit Aghera | Over the air mobile device software management |
-
2006
- 2006-09-20 CN CNA2006101689337A patent/CN101150851A/en active Pending
-
2007
- 2007-09-20 WO PCT/IB2007/002721 patent/WO2008035183A2/en active Application Filing
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101309271B (en) * | 2008-07-09 | 2012-09-26 | 大唐微电子技术有限公司 | User recognition modular service publishing method and system based on wireless communication |
CN102025711B (en) * | 2009-09-11 | 2014-09-17 | ***股份有限公司 | Method of smart card for performing external application communication |
CN104144405A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | Remote user card file managing method and system |
CN104144405B (en) * | 2013-05-10 | 2018-01-09 | 中国电信股份有限公司 | User's card file method for remote management and system |
CN105101153A (en) * | 2015-07-28 | 2015-11-25 | 集怡嘉数码科技(深圳)有限公司 | Data roaming method, device and system |
Also Published As
Publication number | Publication date |
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WO2008035183A2 (en) | 2008-03-27 |
WO2008035183A3 (en) | 2008-05-29 |
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