CN101179867B - Method for user to implement roaming in CDMA access network and wireless access controller - Google Patents
Method for user to implement roaming in CDMA access network and wireless access controller Download PDFInfo
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- CN101179867B CN101179867B CN2007103019283A CN200710301928A CN101179867B CN 101179867 B CN101179867 B CN 101179867B CN 2007103019283 A CN2007103019283 A CN 2007103019283A CN 200710301928 A CN200710301928 A CN 200710301928A CN 101179867 B CN101179867 B CN 101179867B
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Abstract
The invention discloses a method and a wireless access controller for a CDMA mobile network user to realize a roaming in the CDMA wireless access network. The method includes: for the CDMA mobile network user terminal roaming in the CDMA wireless access network, the wireless access controller of the CDMA wireless access network carries out a roaming register with the CDMA mobile network used by the user, The wireless access controller of the CDMA wireless access network carries out a connection with the calling of the user terminal. The roaming method of the invention has the advantages of simplicity and convenience, and reduces the costs largely based on a sufficient use of current network resources.
Description
Technical field
The present invention relates to code division multiple access (CDMA) mechanics of communication, relate in particular to implementation method and Radio Access Controller that a kind of CDMA mobile network user is roamed in the cdma wireless access network.
Background technology
The cdma network of operation comprises cdma wireless access network and CDMA mobile network at present, for example the CDMA mobile network of the cdma wireless access network of 450MHz and 800MHz.Cdma wireless access network and CDMA mobile network do not interconnect, thereby CDMA mobile network's user also can't realize roaming in the cdma wireless access network.If can realize the roaming of CDMA mobile network user in the cdma wireless access network,, provide great facility to telex network with can efficient complementation utilizing the resource of two networks to try one's best network change little.
Summary of the invention
In view of this, the present invention's technical problem that will solve provides a kind of implementation method that realizes that CDMA mobile network user is easily roamed in the cdma wireless access network.
According to an aspect of the present invention, the invention provides the implementation method that a kind of CDMA mobile network user is roamed in the cdma wireless access network, the CDMA mobile network has different frequencies with described cdma wireless access network, and described user terminal is supported the frequency of described cdma wireless access network and described CDMA mobile network's frequency; The mobile network user terminal can be automatically or is manually selected frequency range and network; The method comprising the steps of:
The Radio Access Controller of cdma wireless access network receives the network insertion request of described user terminal, determine that according to the mobile station identification information of described user terminal described user is not the local user, carry out roam registration to the CDMA mobile network of described user attaching; The Radio Access Controller of described cdma wireless access network continues to the calling of described user terminal; When the user terminal of the overlay area that is in described cdma wireless access network is breathed out as caller, the Radio Access Controller of described cdma wireless access network receives the call signaling of described user terminal, determine that according to the mobile station identification information of described user terminal described user is not the local user, call signaling is routed to the CDMA mobile network of described user attaching, and it is called to continue.
A preferred embodiment of the implementation method that CDMA mobile network user according to the present invention is roamed in the cdma wireless access network, this method also comprises step:
When described user is called out, the CDMA mobile network of described user attaching according to described user's roam registration information with call proceeding to described Radio Access Controller, by described Radio Access Controller with call proceeding to described user terminal.
Further, described Radio Access Controller is carried out roam registration to the CDMA mobile network of described user attaching and is comprised:
Described Radio Access Controller sends to the CDMA mobile network's of described user attaching attaching position register by the C/D interface with described user's roam registration information, registers; Described Radio Access Controller receives the user profile that the CDMA mobile network's of described user attaching attaching position register sends by the C/D interface, be stored in local VLR Visitor Location Register.
The CDMA mobile network of described user attaching comprises the step of call proceeding to described Radio Access Controller according to described user's roam registration information:
The CDMA mobile network's of described user attaching attaching position register is by the roaming number of C/D to the described user of described Radio Access Controller request, and the roaming number that obtains sent to the CDMA mobile network's of described user attaching GMSC (gateway mobile switching center); The CDMA mobile network's of described user attaching GMSC (gateway mobile switching center) utilizes described roaming number by the E mouth described Radio Access Controller to be arrived in described call proceeding.
Described Radio Access Controller comprises the step that described call signaling is routed to the CDMA mobile network of described user attaching:
Described Radio Access Controller is routed to described call signaling by E interface the CDMA mobile network's of described user attaching gateway exchange.
The implementation method that CDMA mobile network user provided by the invention is roamed in the cdma wireless access network, user's terminal is supported the frequency of cdma wireless access network, the Radio Access Controller of cdma wireless access network is at the CDMA mobile network user terminal that roams into the cdma wireless access network, carry out roam registration with the CDMA mobile network of user attaching, and the calling of user terminal continued, realized the roaming of CDMA mobile network user in the cdma wireless access network.Because this implementation method only need be done less software and hardware transformation to the Radio Access Controller in the cdma wireless access network, realizes simple and convenient.
Another technical problem that the present invention will solve provides a kind of Radio Access Controller.
According to another aspect of the present invention, provide a kind of Radio Access Controller, comprising:
Information storage module is used to store roamer's mobile station identification information and roaming number;
Non-local user's judge module is used for the receiving mobile identification information, judges whether to be non-local user according to mobile station identification information, and returns judged result;
The roam registration module, be used to receive user's registration request, user's mobile station identification information is sent to non-local user's judge module, receive the judged result of non-local user's judge module, when judged result is non-local user, user's roam registration information is sent to the CDMA mobile network of user attaching, user's mobile station identification information and roaming number are sent to information storage module preserve;
Mobile Switching Module, be used to receive user's exhalation signaling, user's mobile station identification information is sent to described non-local user's judge module, reception is from the judged result of described non-local user's judge module, when described judged result is non-local user, the exhalation signaling is routed to the CDMA mobile network of described user attaching.
Further, above-mentioned roam registration module also is used to receive the roaming number request from above-mentioned CDMA mobile network, obtain corresponding roaming number according to the mobile station identification information in the roaming number request from information storage module, the roaming number that obtains is returned above-mentioned CDMA mobile network.Wherein, Radio Access Controller is supported the C/D interface, and the roam registration module is by C/D interface and CDMA mobile network interconnection.
According to a preferred embodiment of Radio Access Controller of the present invention, mobile Switching Module also is used to receive the incoming call signaling from the CDMA mobile network, the incoming call signaling is routed to the CDMA mobile network user of roaming in this locality.
Wherein, Radio Access Controller is supported E interface, and mobile Switching Module is by E interface and CDMA mobile network interconnection.
Description of drawings
Fig. 1 is the structural representation that cdma wireless access network of the present invention and CDMA mobile network are shown;
Fig. 2 is the flow chart that an embodiment of the implementation method that CDMA mobile network user of the present invention roams in the cdma wireless access network is shown;
Fig. 3 is the flow chart that illustrates according to the enrollment process among the embodiment of roaming implementation method of the present invention;
Fig. 4 is the flow chart that illustrates according to the roamer's caller process among the embodiment of roaming implementation method of the present invention;
Fig. 5 is the flow chart that illustrates according to the called process of roamer among the embodiment of roaming implementation method of the present invention;
Fig. 6 is the schematic block diagram that illustrates according to an embodiment of Radio Access Controller of the present invention;
Fig. 7 is the schematic block diagram that illustrates according to another embodiment of Radio Access Controller of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
At first introduce the system environments that the present invention uses below.Fig. 1 is the structural representation that cdma wireless access network of the present invention and CDMA mobile network are shown.The left-hand component of dotted line is cdma wireless access network 1 among the figure, and right-hand component is CDMA mobile network 2.
Wherein, cdma wireless access network 1 comprises Radio Access Controller 110.Radio Access Controller realize traditional attaching position register (Home Location Register, HLR), mobile switching centre (MSC), VLR Visitor Location Register (VLR) function.Radio Access Controller 110 inserts local local exchange in core-network side by the V5 interface, eats dishes without rice or wine to interconnect with CDMA mobile network's HLR 120 by C/D, eats dishes without rice or wine to interconnect with CDMA mobile network's Gateway MSC 122 by E.
Travelling carriage 124 among Fig. 1 is the terminal of CDMA mobile network user, can support the frequency of cdma wireless access network and CDMA mobile network's frequency, for example can support the multifrequency terminal of a plurality of frequency ranges.User terminal can be automatically or is manually selected frequency range and network.
Radio Access Controller 110 eat dishes without rice or wine can compatibility standard CDMA2000 1X air interface, can discern international mobile subscriber identity (the InternationalMobile Subscriber Identification of user terminal on eating dishes without rice or wine, IMSI), travelling carriage identification code (MobileIdentification Number, MIN) or Electronic Serial Number (Electronic SerialNumber, ESN).
Fig. 2 illustrates the flow chart of an embodiment of the implementation method that CDMA mobile network user according to the present invention roams in the cdma wireless access network.
As shown in Figure 2, in step 201, when CDMA mobile network's user entered the overlay area of cdma wireless access network, user terminal was attempted access network.The Radio Access Controller of cdma wireless access network receives the network insertion request of user terminal, determine that according to the mobile station identification information of user terminal the user is not the local user, the CDMA mobile network that Radio Access Controller starts MSC/VLR function and user attaching carries out the roam registration process.
In step 203, when the user terminal of the overlay area that is in the cdma wireless access network is breathed out as caller, Radio Access Controller receives the call signaling of user terminal, determine that according to user's mobile station identification information the user is not the local user, call signaling is routed to the CDMA mobile network of user attaching, and it is called to continue.
In step 205, when the user is called out, the CDMA mobile network of user attaching according to user's roam registration information with the Radio Access Controller of call proceeding to the cdma wireless access network, by Radio Access Controller with call proceeding to user terminal.
Mobile station identification information in the above-mentioned steps can be IMSI, MIN or the ESN of user terminal.IMSI, the MIN or the ESN that should be noted that the user terminal that needs assurance CDMA mobile network do not repeat to distribute telephone numbers in the cdma wireless access network.Storage local user's IMSI, MIN or ESN by the IMSI/MIN/ESN of user terminal and local user's IMSI/MIN/ESN are compared, judge whether the user is the local user in the Radio Access Controller of cdma wireless access network.
Below in conjunction with the preferred embodiments of the present invention roam registration process, the user terminal of user terminal in the roaming implementation method of the present invention carried out concrete description as the process and the user terminal of caller as called process.
Fig. 3 is the flow chart that illustrates according to the enrollment process of user terminal among the embodiment of roaming implementation method of the present invention.
As shown in Figure 3, in step 301, the Radio Access Controller of cdma wireless access network is received user's registration request.
In step 302, Radio Access Controller obtains the IMSI/MIN of user terminal, carries out number analysis.
In step 303, Radio Access Controller judges by the IMSI/MIN of user terminal whether the user is the local user, if the IMSI/MIN of user terminal is local user's IMSI/MIN, determine that then this user is the local user, this user registered in this locality and with V5 mouth related (step 304), otherwise, determine that this user is not the local user, continue step 305.
In step 305, Radio Access Controller starts the MSC/VLR function, send the CDMA mobile network's that the C/D mouth removes this user attaching HLR to register register information.Register information comprises the IMSI/MIN of user terminal and the VLR address at user place.
In step 306, Radio Access Controller receives the user profile that the CDMA mobile network's of user attaching HLR returns by the C/D interface, is stored among the local VLR temporarily.User profile can comprise user professional ability parameter etc., as calling out authority, long-distance authority etc.
Fig. 4 is the flow chart that illustrates according to user's caller process among the embodiment of roaming implementation method of the present invention.
As shown in Figure 4, in step 401, when the user breathed out as caller, the Radio Access Controller of cdma wireless access network was received user's exhalation signaling.
In step 402, the IMSI/MIN of the user terminal that comprises in the Radio Access Controller acquisition signaling is so that carry out number analysis.
In step 403, Radio Access Controller judges whether the IMSI/MIN that obtains is the IMSI/MIN of LUT, if, determine that then the calling subscriber is the local user, V5 interface continue (step 404) is delivered in calling, if not, determine that then the calling subscriber is not the local user, continues step 405.
In step 405, the gateway exchange that Radio Access Controller send the E mouth to go the CDMA mobile network that the calling subscriber belongs to calling continues to be routed to called by the gateway exchange of calling subscriber's home network.
Fig. 5 is the flow chart that illustrates according to the called process of user among the embodiment of roaming implementation method of the present invention.
As shown in Figure 5, in step 501, when the CDMA mobile network that call out to arrive as called roamer's ownership, CDMA mobile network's HLR according to this user's register information through the roaming number of C/D mouth to this user of Radio Access Controller request of the cdma wireless access network at this user place.
In step 502, Radio Access Controller determines that according to the IMSI/MIN that comprises in the request this user is not the local user.
In step 503, Radio Access Controller is inquired about the roaming number that obtains this user according to IMSI/MIN information from local VLR, the roaming number that obtains is returned to CDMA mobile network's HLR through the C/D interface.
In step 504, CDMA mobile network's HLR sends to this user's roaming number CDMA mobile network's gateway MSC.
In step 505, CDMA mobile network's gateway MSC arrives call proceeding according to roaming number the Radio Access Controller of cdma wireless access network.
In step 506, the Radio Access Controller of cdma wireless access network arrives this user with call proceeding.
The implementation method that CDMA mobile network user provided by the invention is roamed in the cdma wireless access network, user's terminal is supported the frequency of cdma wireless access network, the Radio Access Controller of cdma wireless access network determines that by mobile station identification information the user is non-local user, finish processes such as corresponding roam registration, call proceeding, realized the roaming of CDMA mobile network user in the cdma wireless access network.Because this implementation method only need be done less software and hardware transformation to the Radio Access Controller in the cdma wireless access network, realize simple and convenient, make full use of existing Internet resources, greatly saved investment, and less to the influence of existing Operation Network.
Fig. 6 is the block diagram that illustrates according to an embodiment of Radio Access Controller of the present invention.
As shown in Figure 6, the Radio Access Controller of this embodiment comprises non-local user's judge module 60, information storage module 61 and roam registration module 62.
Wherein, non-local user's judge module 61 is used for the receiving mobile identification information, judges whether to be non-local user according to mobile station identification information, and returns judged result.
Roam registration module 62, be used to receive user's registration request, the user's that comprises in the registration request mobile station identification information is sent to non-local user's judge module 61, reception is from the judged result of non-local user's judge module 61, when judged result is non-local user, user's roam registration information is sent to the CDMA mobile network of user attaching, user's mobile station identification information and roaming number are sent to information storage module 61 preserve.
A preferred embodiment according to radio access module of the present invention, the roam registration module also is used to receive the roaming number request from the CDMA mobile network, according to the mobile station identification information in the roaming number request, obtain corresponding roaming number from information storage module, return this mobile network.
Radio Access Controller is supported the C/D interface, and roam registration module 62 is by C/D interface and CDMA mobile network interconnection.
Fig. 7 is the block diagram that illustrates according to another embodiment of Radio Access Network of the present invention.
As shown in Figure 7, the Radio Access Controller of this embodiment comprises non-local user's judge module 70, information storage module 71, roam registration module 72 and mobile Switching Module 73.
Wherein, non-local user's judge module 70, information storage module 71 and roam registration module 72 respectively with Fig. 6 in the function of non-local user's judge module 60, information storage module 61, roam registration module 62 basic identical, can be referring to the associated description among Fig. 6.
Mobile Switching Module 73, be used to receive user's exhalation signaling, the user's that comprises in the exhalation signaling mobile station identification information is sent to non-local user's judge module 71, reception is from the judged result of non-local user's judge module 71, when judged result is non-local user, the exhalation signaling is routed to the CDMA mobile network of user attaching.
Mobile Switching Module 73 also is used to receive the incoming call signaling from the CDMA mobile network, the incoming call signaling is routed to the CDMA mobile network's who roams at local network user.
Radio Access Controller is supported E interface, and mobile Switching Module 73 is by E interface and CDMA mobile network interconnection.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (13)
1. implementation method that the CDMA mobile network user is roamed in the cdma wireless access network, described CDMA mobile network has different frequencies with described cdma wireless access network, it is characterized in that described mobile network user terminal is supported the frequency of described cdma wireless access network and described CDMA mobile network's frequency; Described mobile network user terminal can be automatically or is manually selected frequency range and network;
The method comprising the steps of:
A, the Radio Access Controller of described cdma wireless access network receives the network insertion request of described user terminal, determine that according to the mobile station identification information of described user terminal described user is not the local user, carry out roam registration to the CDMA mobile network of described user attaching;
B, the Radio Access Controller of described cdma wireless access network continues to the calling of described user terminal;
Wherein, described step b comprises:
When the user terminal of the overlay area that is in described cdma wireless access network is breathed out as caller, the Radio Access Controller of described cdma wireless access network receives the call signaling of described user terminal, determine that according to the mobile station identification information of described user terminal described user is not the local user, call signaling is routed to the CDMA mobile network of described user attaching, and it is called to continue.
2. the implementation method that CDMA mobile network user as claimed in claim 1 is roamed in the cdma wireless access network is characterized in that, IMSI, MIN or ESN that described mobile station identification information is user terminal; The IMSI of described CDMA mobile network's user terminal, MIN or ESN do not repeat to distribute telephone numbers in described cdma wireless access network; Storage local user's IMSI, MIN or ESN in the Radio Access Controller of described cdma wireless access network, by IMSI, the MIN of described user terminal or ESN and local user's IMSI, MIN or ESN are compared, judge whether the user is the local user.
3. the implementation method that CDMA mobile network user as claimed in claim 1 is roamed in the cdma wireless access network is characterized in that, described Radio Access Controller is carried out roam registration to the CDMA mobile network of described user attaching and comprised:
Described Radio Access Controller sends to the CDMA mobile network's of described user attaching attaching position register by the C/D interface with described user's roam registration information, registers;
Described Radio Access Controller receives the user profile that the CDMA mobile network's of described user attaching attaching position register sends by the C/D interface, be stored in local VLR Visitor Location Register.
4. the implementation method that CDMA mobile network user as claimed in claim 3 is roamed in the cdma wireless access network is characterized in that, described step b also comprises:
When described user is called out, the CDMA mobile network of described user attaching according to described user's roam registration information with call proceeding to described Radio Access Controller, by described Radio Access Controller with call proceeding to described user terminal.
5. the implementation method that CDMA mobile network user as claimed in claim 4 is roamed in the cdma wireless access network, it is characterized in that the CDMA mobile network of described user attaching comprises the step of call proceeding to described Radio Access Controller according to described user's roam registration information:
The CDMA mobile network's of described user attaching attaching position register passes through the roaming number of C/D interface to the described user of described Radio Access Controller request, and the roaming number that obtains is sent to the CDMA mobile network's of described user attaching GMSC (gateway mobile switching center);
The CDMA mobile network's of described user attaching GMSC (gateway mobile switching center) utilizes described roaming number by the E mouth described Radio Access Controller to be arrived in described call proceeding.
6. as any implementation method that described CDMA mobile network user is roamed in the cdma wireless access network in the claim 1 to 5, it is characterized in that described Radio Access Controller comprises the step that described call signaling is routed to the CDMA mobile network of described user attaching:
Described Radio Access Controller is routed to described call signaling by E interface the CDMA mobile network's of described user attaching gateway exchange.
7. as any implementation method that described CDMA mobile network user is roamed in the claim 1,3,4 or 5, it is characterized in that described mobile station identification information is IMSI, MIN or ESN in the cdma wireless access network.
8. as any implementation method that described CDMA mobile network user is roamed in the claim 1 to 5, it is characterized in that described user terminal is the CDMA multifrequency terminal in the cdma wireless access network.
9. a Radio Access Controller is applied to the cdma wireless access network, and described cdma wireless access network has different frequencies with the CDMA mobile network, it is characterized in that, comprising:
Information storage module is used to store roamer's mobile station identification information and roaming number;
Non-local user's judge module is used for the receiving mobile identification information, judges whether to be non-local user according to mobile station identification information, and returns judged result;
The roam registration module, be used to receive user's registration request, described user's mobile station identification information is sent to described non-local user's judge module, receive the judged result of described non-local user's judge module, when judged result is non-local user, described user's roam registration information is sent to the CDMA mobile network of described user attaching, described user's mobile station identification information and roaming number are sent to described information storage module preserve;
Mobile Switching Module, be used to receive user's exhalation signaling, user's mobile station identification information is sent to described non-local user's judge module, reception is from the judged result of described non-local user's judge module, when described judged result is non-local user, the exhalation signaling is routed to the CDMA mobile network of described user attaching.
10. Radio Access Controller as claimed in claim 9, it is characterized in that, described roam registration module, also be used to receive roaming number request from described CDMA mobile network, obtain corresponding roaming number according to the mobile station identification information in the roaming number request from information storage module, described roaming number is returned described CDMA mobile network.
11., it is characterized in that described Radio Access Controller is supported the C/D interface as claim 9 or 10 described Radio Access Controller, described roam registration module is by C/D interface and described CDMA mobile network interconnection.
12. Radio Access Controller as claimed in claim 9 is characterized in that, described mobile Switching Module also is used to receive the incoming call signaling from the CDMA mobile network, the incoming call signaling is routed to the CDMA mobile network user of roaming in this locality.
13., it is characterized in that described Radio Access Controller is supported E interface as claim 9 or 12 described Radio Access Controller, described mobile Switching Module is by E interface and described CDMA mobile network interconnection.
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| CN1558693A (en) * | 2004-01-13 | 2004-12-29 | ����ͨѶ�ɷ�����˾ | A system and method for implementing user roaming between different places by routing server |
| CN1658697A (en) * | 2004-02-21 | 2005-08-24 | 华为技术有限公司 | Communication method |
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| CN1558693A (en) * | 2004-01-13 | 2004-12-29 | ����ͨѶ�ɷ�����˾ | A system and method for implementing user roaming between different places by routing server |
| CN1658697A (en) * | 2004-02-21 | 2005-08-24 | 华为技术有限公司 | Communication method |
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