CN1736046A - System and method for using CDMA mobile with GSM core infrastructure - Google Patents
System and method for using CDMA mobile with GSM core infrastructure Download PDFInfo
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- CN1736046A CN1736046A CN 03805382 CN03805382A CN1736046A CN 1736046 A CN1736046 A CN 1736046A CN 03805382 CN03805382 CN 03805382 CN 03805382 A CN03805382 A CN 03805382A CN 1736046 A CN1736046 A CN 1736046A
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Abstract
A CDMA mobile station (MS) (20) can be engaged with a GSM subscriber entity module (SIM) (24) to authenticate the MS (20) with a GSM core infrastructure (14) using a CDMA radio access network (RAN) (18, 22) through a hybrid CDMA/GSM message switching center (MSC) (28), such that use of the CDMA RAN (18, 22) with the existing GSM core (14) advantageously is facilitated.
Description
Related application
The application requires following priority in first to file: the United States Patent (USP) provisional application of submitting on January 17th, 2002 the 60/350th, No. 829, patent name is " using the GSM Subscriber Identity Module in the CDMA2000 Access Network " (Use of GSM Subscriber Identity Module (SIM) with a CDMA2000 AccessNetwork); The United States Patent (USP) provisional application of submitting on February 1st, 2002 the 60/354th, No. 086, patent name is " using the GSM Subscriber Identity Module in the CDMA2000 Access Network " (Use of GSM SubscriberIdentity Module (SIM) with a CDMA2000 Access Network).
I. technical field
The present invention relates generally to wireless communication system, relate in particular to the system that in the GSM core network, uses the cdma wireless access network.
II. background of invention
Compare other wireless communication technology, code division multiple access (CDMA) is a kind of digital radio technology that itself has relatively large bandwidth capacity, and promptly itself allows to provide the service of more calls on each frequency band.And itself can provide safe communication the spread spectrum principles of CDMA.United States Patent (USP) the 4th, 901, No. 307, be incorporated into this by reference, illustrated the details of the cdma system that can be used to send audio call and non-voice computer data.
Although CDMA has its advantage, other wireless system of existing other principle of use.For example, a lot of local gsm systems that use in the world, GSM adopts a version of tdma.
What no matter use is CDMA principle or other wireless principles, wireless communication system all can be considered to have two main parts, be Radio Access Network (RAN) and the core architecture that communicates with RAN and external system, described external system is PSTN (PSTN), internet (being data call although particularly not exclusively be) etc. for example.The core architecture that is associated with various wireless technologys all is being very expensive aspect hardware aspect and the communication protocol exploitation,, the normally agreement of calling exchange, networking, service verification, call monitoring and the charging of system-specific special in order to support as exploitation.Therefore, if in the core architecture of or other system, do not carry out the transformation of making us hanging back of a high price, the communication protocol of a wireless system (be gsm protocol in GSM, be agreements such as cdma2000-1x, IS-41 in CDMA) is can't be compatible mutually with the agreement in other system.
Based on above announcement, the present invention recognizes, because GSM is present in a lot of places in the world, relies on the advantage based on the RAN of CDMA, can use in the core architecture of GSM and Zhi De being based on the RAN of CDMA.Based on aforementioned, the present invention also recognizes a kind of like this hope, if promptly can not get rid of the modification of the communication protocol of GSM core architecture then it is controlled at bottom line.
Summary of the invention
The mobile radio station (MS) of code division multiple access (CDMA) comprises that one is configured to the radio-circuit of utilizing CDMA agreement and cdma wireless Access Network (RAN) to communicate.Mobile radio station comprises that also one is configured to communicate so that the subscriber line circuit that mobile radio station can be verified himself with the Subscriber Identity Module (SIM) of GSM in the GSM core architecture.By using this structure, just make and utilize the GSM core architecture to use CDMA RAN to become easily.
In a preferred embodiment, mobile radio station reads IMSI International Mobile Subscriber Identity (IMSI) and transmits this IMSI by CDMA RAN with registration message, originating information or a page-response message from SIM.If desired, MS can show an ISP's title, Mobile Directory Number and other data entries relevant with GSM.
In a non-limiting example, MS allows the user only when can use MS behind the default check value of MS input.And, when from MS, removing SIM, preferable MS meeting interrupt call, when removing SIM from MS, it also can delete user profile.Preferably, MS periodically checks the existence of SIM among the MS, when it determines that SIM no longer engages with MS, and will end call.MS can use the cdma2000 technology.
On the other hand, a kind of method of being convenient to use CDMA RAN in the GSM core architecture comprises a SIM and a CDMA MS joint, and utilizes CDMA RAN to transmit at least one IMSI that is stored among the SIM to MSC.By using IMSI, SIM is an access authentication in the GSM core architecture.Based on this authentication, the MS that has SIM just can be registered on the MSC.
More on the one hand, a kind ofly be convenient in the GSM core architecture, use the system of CDMA RAN to comprise the MSC that uses CDMA agreement and CDMA RAN to communicate.This MSC also uses gsm protocol and GSM core architecture to communicate.MS and CDMA RAN communicate, and obtain registration in the GSM core architecture.SIM joins MS to separably so that authenticate this MS in the GSM core architecture.
By with reference to the accompanying drawings, to details of the present invention, comprise its structure and operation, can obtain best understanding, same label is represented same parts among the figure, wherein:
Brief Description Of Drawings
The system of the present invention that block diagram shown in Figure 1 is to use cdma wireless Access Network and GSM core architecture to be convenient to communicate by letter;
Flow chart shown in Figure 2 is the logic of being called when Subscriber Identity Module (SIM) joins cdma mobile station (MS) to;
Flow chart shown in Figure 3 is the logic of being called when SIM removes from MS; And
Flow chart shown in Figure 4 is the logic of being called when periodically detecting the SIM existence.
Embodiment
At first with reference to figure 1, shown in be a system, totally be designated 10, communicating by letter of voice and computer data is convenient to comprise in this system between the code division multiple access that totally is designated 12 (CDMA) Access Network (RAN) and GSM core architecture 14.GSM core architecture 14 can communicate with Public Switched Telephone Network and/or data network 16 (such as internet) successively.
As shown in Figure 1, the radio communication between CDMA RAN 12 support one or more base station (BTS) 18 and the mobile radio station (MS) 20.According to the CDMA principle known to the present technique field, BTS 18 can communicate by letter with base station controller (BSC) 22.Preferred CDMA RAN 12 shown in Figure 1 uses cdma2000, particularly uses cdmaOne (IS-95), cdma2000 1x, cdma2000 3x or cdma2000 high data rate (HDR) or 1xEVDO principle.
In a non-restrictive example, mobile radio station 20 be adopt code division multiple access (CDMA) principle and CDMA transmit in the air (OTA) communication air interfaces and with radio-circuit 20a in conjunction with 12 that communicate with CDMA RAN, by Kyocera, the mobile phone that Samsung or other manufacturer make.Yet the present invention adapts to and is used for other mobile radio station, such as kneetop computer, wireless phone or telephone set, data transceiver, hand-held device or beep-pager and location receiver.As required, mobile radio station 20 can be picture that hand or portable vehicle-mounted (comprising car, truck, steamer, aircraft, train).Yet, move though it is generally acknowledged Wireless Telecom Equipment, should be appreciated that the present invention is applicable to " fixing " unit in some applications.And the present invention also can be applicable to also can communicate by letter with miscellaneous equipment by wired or wireless link in the data module or modulator-demodulator of the data information transfer of carrying out voice and/or comprising digital video information.In addition, can use instruction to make modulator-demodulator and data module upload transmission information many communication channels with pre-set collaborative or interrelational form.Wireless Telecom Equipment also is known as user terminal, mobile radio station, mobile unit, subscriber unit, mobile wireless R-T unit or radiophone, radio-cell sometimes or abbreviates " user " and " moving body " as in some communication system.
According to the present invention, in MS20, Subscriber Identity Module (SIM) 24 is bonded together separably with subscriber line circuit 20b.SIM24 is one and comprises microprocessor and data storage with the smart card by subscriber line circuit 20b and MS20 swap data.Preferred non-limiting SIM24 has stored following message.In master file level, SIM has stored a SIM identification number.
In the GSM application file level, SIM24 can store the user language option, as user ID and identified the IMSI International Mobile Subscriber Identity (IMSI) and the key of service provider (being the GSM core architecture).And SIM24 preferably stores the sign of a public land mobile network that the user liked (PLMN), and to search cycle of selected PLMN.Simultaneously, the maximum of the call meter (ACM) of SIM24 storage accumulative total, it is the sum of calling unit current and that in the past call out, it has also stored the SIM service list in order to indicate which service to be assigned to the user and to be activated.In addition, the SIM24 storaging mark is used for the various packet identifiers of the SIM grouping of SIM/MS association.Further, preferred SIM24 storage service provider title and calculate a unit price/currency table of calling out price by user-selected currency.
Except above-mentioned data, preferred SIM24 also comprises a broadcast message identifier, the message kind on the broadcast channel that its indication user is ready to accept.And, help MS and obtaining GSM RAN fast but SIM24 can comprise the Broadcast Control Channel mark when GSM RAN time spent, and the information of other GSM RAN special uses.But the also store M S tabulation of four PLMN at the most that can not attempt automatically inserting of nonrestrictive SIM24.In another embodiment, but SIM24 store M S can not attempt maximum 8 PLMN of inserting automatically.SIM24 can further store positional information, management data and the phase identification of SIM.
In addition, in telecom level, preferred SIM24 can store abbreviated dialing number/assistant service control string, fixed dialling number/assistant service control string and MS receives and the short message (SMS) that will send.And, preferred SIM24 can comprise required network and bearer capabilities parameter, with the value of user-dependent mobile radio station International ISDN number and SMS header parameter.The storage state information relevant with SMS also is just as outgoing call at last with at the expanding data of above content etc.
Preferred non-limiting SIM24 can also carry out to issue orders.It can select input file, and relevant state is provided, such as the current file catalogue among the SIM.SIM24 can read and upgrade byte serial and block, and searches user's given pattern in selecting files.Simultaneously, SIM24 can select files to one and carry out the increment visit.
SIM24 can also carry out and the relevant several instructions of holder's authentication (CHV) feature, comprise the CHV value that MS is presented verify, distribute new CHV value and enable, forbidding and release CHV feature.The file that the file that SIM24 can also make the user select cancels and recovers once to cancel.Preferably, SIM24 can also carry out identifying algorithm and calculate authenticate key according to the GSM authentication principles in GSM core architecture 14.
Enter on GSM core architecture 14 now, except that other building block, GSM core architecture 14 can comprise or can visit one and store the attaching position register (HLR) 26 of GSM core architecture 14 user data of users.Simultaneously, GSM core architecture 14 can comprise or an addressable authentication center (AUC) 27.These assemblies use based on known GSM principle in this area, are used to authenticate the MS20 that has SIM24.
CDMA/GSM mobile switching centre (MSC) 28 interconnects CDMA RAN12 and GSM core architecture.Should be appreciated that if desired HLR26 and AUC27 can be directly connected to MSC28.Shown in preferred embodiment in, according to known PDSN operation (at data) and the ANSI-41 operation (at voice) in the CDMA technology field, MSC28 use CDMA agreement and CDMA RAN12 communicate.And (that is, SGSN) operate, MSC28 uses gsm protocol and the GSM core architecture communicates according to known GSM voice and GSM data in the GSM technical field.Therefore,,, and be to use under the situation of himself existing protocol, just made things convenient for and in GSM core architecture 14, used CDMA RAN12 such as ANSI-41 not changing GSM core architecture 14 to use the CDMA agreement.
Fig. 2 has illustrated and embedded the logic of being followed behind the SIM24 in MS20.From piece 30, SIM24 is reset and consults to be stored in necessary operating parameter among the SIM.Proceed to piece 32, the sign of SIM is searched and is compared to determine that the SIM that has been inserted among the MS20 is a new SIM who requires following steps with previous SIM sign.Judging rhombus 34 places, determine whether CHV is activated, if just import the CHV value the prompting user of piece 36 places.Suppose that SIM determines that this value is effectively, this value just is sent to SIM to obtain the required access to the SIM file of subsequent step at piece 38.If invalid then this logic of this value finishes.
Be not activated then from judging rhombus 34 from piece 38 or as CHV, logic advances to piece 40, and wherein IMSI is read out from SIM.If desired, can read service provider's title in the SIM and be presented on the MS20 at piece 42.And, if desired, can read cell-phone telephone number in the SIM and show at piece 44.
Which kind of situation no matter, IMSI is transferred to MSC28 by MS20 through CDMA RAN12 at piece 46, the authentication that MSC28 carries out SIM24 (so MS20) according to the visit of the GSM principle known to present technique field GSM core architecture 14.IMSI can be transmitted by the registration message on R-CSH, originating information or page-response message.Successful authentication can make SIM24 (thereby MS20) register on MSC28, makes MS20 can use CDMA RAN12.In one embodiment, authentication is prior to display message on cell-phone user interface.Therefore, the 42nd and 44 steps successfully finish the back appearance at authenticating step.
Fig. 3 has shown the logic of being followed when removing SIM24 from MS20.48 beginning SIM are removed from piece, the link between inactive MS20 of piece 50MS20 and SIM24.At piece 52, MS20 discharges all ongoing callings, deletes user profile at piece 54 from its internal storage then.
Fig. 4 shows the periodically lasting existence of (such as per 30 seconds) inspection SIM24 of MS20.From piece 56, periodically enter into D0 circulation, therein MS20 at piece 58 to the order of SIM transmit status.Judging rhombus 60, MS20 determines whether SIM responds, if do not respond, then stops all ongoing callings at piece 62.
Except above logic, the MS20 that has SIM24 can allow the SMS of user inquiring storage.When MS20 transmitted a SMS, it preferably transmitted the address of service centre simultaneously.If desired, also can support the GSM subscribed services, such as above-mentioned condensing and fixed dialling number, charging prompting etc.
Although the foregoing target of the capable fully the present invention of realization of " in the GSM core architecture, using the system and method for CDMA mobile phone " particular content that this place represents and is described in detail, but should understand, it is the current preferred embodiment of the present invention, therefore represented the present invention the theme of wide in range design; Scope of the present invention has comprised the conspicuous embodiment for those skilled in the art fully; Therefore scope of the present invention is not subjected to the restriction of any factor except appended claims, in claims, unless clear and definite statement, its related odd number element is not meant " one and have only one " and is meant " one or more ".Equivalent on the structural and function of all of key element in the above-mentioned preferred embodiment of knowing or will knowing later on for those skilled in the art clearly is introduced in this by reference, and includes in these claims consciously.And equipment, method do not need to solve each problem that will be sought to solve by the present invention, just can be included in claims of the present invention.In addition, no matter whether clear and definite citation in claims of element, assembly or the method step in the disclosure of invention, these elements, assembly or method step are not to have a mind to contribution to give the public's.Unless the key element of claim use " be used for ... device " the clear and definite narration of phrase, or in claim to a method, explain key element with " step " rather than " action ", the key element of claim of the present invention must not make an explanation according to the 6th section defined of U.S.C § 112.
Claims (41)
1. a code division multiple access (CDMA) mobile radio station (MS) is characterized in that it comprises:
Radio-circuit is used to utilize the CDMA agreement to communicate by letter with cdma wireless Access Network (RAN); With
Subscriber line circuit is used for communicating by letter so that MS authenticates himself at the GSM core architecture with GSM Subscriber Identity Module (SIM), is convenient to use in the GSM core architecture CDMA RAN thus.
2. mobile radio station as claimed in claim 1 is characterized in that, also comprises SIM.
3. mobile radio station as claimed in claim 2 is characterized in that, described MS SIM with from SIM, read an identifier at least after MS engages.
4. mobile radio station as claimed in claim 3 is characterized in that, described identifier is IMSI International Mobile Subscriber Identity (IMSI).
5. mobile radio station as claimed in claim 4 is characterized in that described IMSI is being transmitted at least by MS in a piece of news.
6. mobile radio station as claimed in claim 5 is characterized in that described message is registration message.
7. mobile radio station as claimed in claim 5 is characterized in that described message is originating information.
8. mobile radio station as claimed in claim 5 is characterized in that described message is page-response message.
9. mobile radio station as claimed in claim 1 is characterized in that described MS shows at least one service provider's title selectively.
10. mobile radio station as claimed in claim 1 is characterized in that described MS shows at least one cell-phone telephone number selectively.
11. mobile radio station as claimed in claim 2 is characterized in that, only as user during to the predetermined validation value of one of described MS input, described MS side allows the user to use this MS.
12. mobile radio station as claimed in claim 2 is characterized in that, in case SIM is removed from MS, MS is end call.
13. mobile radio station as claimed in claim 12 is characterized in that, in case SIM is removed from MS, MS promptly deletes user profile.
14. mobile radio station as claimed in claim 2 is characterized in that, described MS periodically detects the existence of SIM in MS, and end call when MS determines that SIM no longer engages with MS.
15. mobile radio station as claimed in claim 1 is characterized in that, described MS uses the cdma2000 principle.
16. a method of being convenient to use CDMA RAN in the GSM core architecture is characterized in that, comprising:
SIM is engaged with CDMA MS;
Use CDMA RAN to transmit at least one IMSI that is stored among the SIM to MSC;
Use described IMSI, in the GSM core architecture, SIM is authenticated; And
Based on described acts of authentication, registration has the MS of SIM in MSC.
17. method as claimed in claim 16 is characterized in that, also is included at least one message to transmit IMSI.
18. method as claimed in claim 17 is characterized in that, described message is registration message.
19. method as claimed in claim 17 is characterized in that, described message is originating information.
20. method as claimed in claim 17 is characterized in that, described message is page-response message.
21. method as claimed in claim 16 is characterized in that, includes the title that selectively shows at least one service provider on MS.
22. method as claimed in claim 16 is characterized in that, including selectively, MS goes up at least one cell-phone telephone number of demonstration.
23. method as claimed in claim 16 is characterized in that, only comprises that MS side allows the user to use MS as user during to the predetermined validation value of one of MS input.
24. method as claimed in claim 16 is characterized in that, comprises in a single day SIM being removed from MS is end call.
25. method as claimed in claim 24 is characterized in that, comprises in a single day SIM being removed from MS promptly deleting user profile.
26. method as claimed in claim 16 is characterized in that, comprises determining periodically whether SIM engages with MS, and end call when definite SIM no longer engages with MS.
27. method as claimed in claim 16 is characterized in that, MS uses the cdma2000 principle.
28. a system of being convenient to use CDMA RAN in the GSM core architecture is characterized in that, comprising:
The MSC that uses the CDMA agreement to communicate by letter with CDMA RAN, described MSC also uses gsm protocol and GSM core architecture to communicate;
Communicate by letter with CDMA RAN and at least one MS of registration is arranged in the GSM core architecture; And
With at least one SIM that MS engages separably, be used at the described MS of GSM core architecture authentication.
29. system as claimed in claim 28 is characterized in that, described MS reads an identifier at least from SIM after MS and SIM joint.
30. system as claimed in claim 29 is characterized in that, described identifier is IMSI International Mobile Subscriber Identity (IMSI).
31. system as claimed in claim 30 is characterized in that, described MS transmits IMSI at least in a piece of news.
32. system as claimed in claim 31 is characterized in that, described message is registration message.
33. system as claimed in claim 31 is characterized in that, described message is originating information.
34. system as claimed in claim 31 is characterized in that, described message is page-response message.
35. system as claimed in claim 28 is characterized in that, described MS shows at least one service provider's title selectively.
36. system as claimed in claim 28 is characterized in that, described MS shows at least one cell-phone telephone number selectively.
37. system as claimed in claim 28 is characterized in that, only as user during to the predetermined validation value of one of MS input, MS side allows the user to use MS.
38. system as claimed in claim 28 is characterized in that, in case SIM removes from MS, MS is end call.
39. system as claimed in claim 28 is characterized in that, in case SIM removes from MS, MS promptly deletes user profile.
40. system as claimed in claim 28 is characterized in that, described MS periodically detects the existence of SIM in MS, and end call when MS determines that SIM no longer engages with MS.
41. system as claimed in claim 28 is characterized in that, described MS uses the cdma2000 principle.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35082902P | 2002-01-17 | 2002-01-17 | |
| US60/350,829 | 2002-01-17 | ||
| US60/354,086 | 2002-02-01 | ||
| US10/076,831 | 2002-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1736046A true CN1736046A (en) | 2006-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03805382 Pending CN1736046A (en) | 2002-01-17 | 2003-01-17 | System and method for using CDMA mobile with GSM core infrastructure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1736046A (en) |
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- 2003-01-17 CN CN 03805382 patent/CN1736046A/en active Pending
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