CN101094500B - Roaming method between heterogeneous networks - Google Patents

Abstract

The method comprises: a) the home location register saves the user information about dual-mode terminal user or multi-mode terminal user in each available network; b) when user terminal roams to a available mobile network, according to the type of the location update message initiated by user the home location register updates the mobile network used by use to the mobile network where user is current roaming; c) the roaming network of user makes the next mobile service process according to the user information in the home location register.

Description

Roaming method between heterogeneous networks

Technical field

The present invention relates to field of mobile communication and carry out the method roamed between the heterogeneous network.

Background technology

In field of mobile communication; Exist the mobile network of multiple technologies standard, GSM, CDMA, 3G and PHS or the like are arranged, the user can realize services of roaming in a kind of mobile network; Its main implementation is through independent user data center is arranged in the mobile network---Home Location Register (HLR) is preserved relevant user data; After the user roams into the strange land, can pass through the unique ID (IMSI or MSISDN) of the corresponding the whole network of user, the mobility service of being correlated with management; From user HLR, obtain corresponding user profile, thereby guarantee professional realization at random zone.

With the GSM network is example, after the user roams into the strange land:

At first; Upgrade operation flow through the position; Be kept at IMSI in the mobile phone as unique retrieving information with the user, from HLR, other relevant informations of user be synchronized to (comprising user's essential information, business information etc.) VLR (VLR Visitor Location Register) at place, roaming place; Preserve user's information of the VLR at place at present simultaneously.Fig. 1 is seen in position more new technological process.

Then, when realizing user's caller related service, the user can according to MSISDN, obtain relevant business information according to the content that is kept among the VLR of roaming place, thereby realizes professional.

In addition; When realizing roamer's called service, the MSCS under the caller at first finds the HLR under the called subscriber, requires HLR that called routing iinformation is provided; HLR will ask for roaming number to the VLR according to the called place of being preserved; It is called that VLR distributes a roaming number to give, and gives the MSCS at caller place then, and the MSCS at caller place is according to roaming number and the called link of setting up.Wherein the process of route is seen Fig. 2.

Above-mentioned flow process only is two important operation flows in the mobile service flow process of standard; In addition; The management process of other multiple mobility service also is provided in mobile communications network, has guaranteed that the mobile subscriber can free-roaming in the mobile network, guaranteed professional continuity.

Utilize above-mentioned technology, can be so that mobile subscriber's free-roaming between with a kind of mobile network.But along with present communication network and professional development; Same operator manages two kinds of mobile networks or different operators is managed under two kinds of different systems mobile networks' the situation; The user need realize roaming between two xenogenesis mobile networks; Promptly can guarantee the user under the situation of the not number of changing, can two throw the net between the network realize professional.

And utilize present roaming technology, can't realize the requirement that the user roams between heterogeneous network.

Summary of the invention

Defective and deficiency to the prior art existence; The present invention provides a kind of roaming method between heterogeneous networks; Can make the user between two (or more than) networks, realize roaming; Can't satisfy thereby overcome existing mobile communcations system, the user can be under the prerequisite that keeps a number, between various network in the requirement of realization mobile service.

In order to reach the foregoing invention purpose, roaming method between heterogeneous networks of the present invention, the terminal use only uses a number, may further comprise the steps:

(A) Home Location Register is stored same bimodulus or the multimode terminal user heterogeneous networks information in various available different mobile networks; Wherein, the said network information comprises: network essential information and business information;

(B) during terminal user roaming to available mobile network; Home Location Register is according to the type of the location update message of terminal use's initiation; Judge that said terminal use roams mobile network's type at place at present, is updated to the mobile network who is roamed with the mobile network who uses before the terminal user roaming in Home Location Register; The type of said location update message is confirmed through the network type definition value in the location update message, mobile network's type that various network type definition value is corresponding different;

(C) mobile network who is roamed according to preserve in the Home Location Register with the corresponding network information of this terminal use, carry out follow-up mobile service and handle.

Above-mentioned roaming method between heterogeneous networks, wherein, said step (B) specifically may further comprise the steps:

(B1) during terminal user roaming to available mobile network, initiate location update message to Home Location Register;

(B2) Home Location Register is set at mobile network's type that the terminal use uses at present with mobile network's type that the terminal use roams the place at present.

Above-mentioned roaming method between heterogeneous networks; Wherein, In the said step (B1), bimodulus or the multimode terminal user heterogeneous networks information in various available different mobile networks is accepted interface through the user profile of OSS and is saved in the Home Location Register.

Adopt technical scheme of the present invention, compared with prior art, utilize same Home Location Register to preserve user's heterogeneous networks information, let the user realize mobile service, let the user obtain better communication and experience different mobile networks.

Description of drawings

The flow chart that Fig. 1 upgrades for the position;

Fig. 2 is the flow chart of route; Please the English message modification among Fig. 1,2 is become Chinese

Fig. 3 is for realizing the network organizing figure of heterogeneous network roaming;

Fig. 4 is for realizing the flow chart of heterogeneous network roaming.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description:

" roaming method between heterogeneous networks " provided by the present invention is in order to satisfy the demand that the user utilizes same Mobile Subscriber International ISDN Number between heterogeneous network, to roam.

In order to reach the foregoing invention purpose, roaming method between heterogeneous networks of the present invention may further comprise the steps:

(A) Home Location Register storage bimodulus or the multimode terminal user user profile in various available mobile networks;

(B) during terminal user roaming to available mobile network; Home Location Register is updated to the mobile network that roamed with the mobile network who uses before the terminal user roaming according to the type of the location update message of terminal use's initiation in Home Location Register;

(C) mobile network who is roamed according to preserve in the Home Location Register with the corresponding user profile of this terminal use, carry out follow-up mobile service and handle.

Above-mentioned roaming method between heterogeneous networks, wherein, said step (B) specifically may further comprise the steps:

(B1) during terminal user roaming to available mobile network, initiate location update message to Home Location Register;

(B2) Home Location Register judges that according to the type of the location update message that receives said terminal use roams mobile network's type at place at present;

(B3) Home Location Register is set at mobile network's type that the terminal use uses at present with mobile network's type that the terminal use roams the place at present.

In order better to combine with prior art; Practice thrift cost; Above-mentioned roaming method between heterogeneous networks; In said step (B1), bimodulus or the multimode terminal user user profile in various available mobile networks is accepted interface through the user profile of existing OSS (like 97 systems) and is saved in the Home Location Register.

Above-mentioned roaming method between heterogeneous networks, wherein, in the said step (B2), the type of location update message is through confirming in the said location update message.

In location update message, the type of concrete network belonging is confirmed through the network type definition value, is example with GSM network and PHS network:

The MAP dialogue definition of GSM network:

MAP-DialogueInformation?{

ccitt?identified-organization(4)etsi(0)mobileDomain(0)

gsm-Network(1)modules(3)map-DialogueInformation(3)version7(7)}

The MAP dialogue definition of PHS network:

MAP-DialogueInformation{

ccitt?identified-organization(4)etsi(0)mobi?leDomain(0)

phs-Network(7)modules(3)map-DialogueInformation(3)version4(4)}

In above-mentioned two kinds of MAP dialogue definition, can see the concrete dialogue define grid type of GSM network: gsm-Network (1), promptly the network type definition value is 1; And the concrete dialogue define grid type of PHS network: phs-Netword (7), promptly the network type definition value is 7.Thus, can distinguish the type of two kinds of networks.

According to above-mentioned judgment mode, by that analogy, can confirm other network types through the network type definition value.

Do further to describe in detail below in conjunction with the enforcement of Fig. 3,4 pairs of technical schemes:

1, the scene of embodiment of the present invention: the user realizes roaming through dual-mode handset between different mobile networks, see Fig. 3;

2, the user is saved among the ownership HLR through 97 systems in the information of the heterogeneous network of required roaming, comprises the essential information and the business information of the diverse network that needs roaming.For example, the user need roam in GSM network and cdma network, then need information and the information in cdma network of user in the GSM network be saved among the ownership HLR in advance;

3, the user roams among certain mobile network, initiates location update message to HLR, wherein, includes the network type definition value, the present residing mobile network's type of said network type definition value respective user in the MAP dialogue definition in the said location update message;

4, HLR judges that according to the network type definition value in the location update message that receives this user roams mobile network's type at place at present;

5, HLR is according to mobile network's type of judging, and the network type that this user is present is updated to present residing mobile network's type in HLR;

6, follow-up mobile service is handled, and carries out Business Processing according to the corresponding mobile network's who preserves among the HLR information.

Concrete, suppose user's dual-mode handset support GSM network and cdma network, essential information and the business information that in network terminal ownership HLR, can preserve this user GSM network and cdma network in advance; Suppose that again the user is in cdma network at the beginning, mobile network's type of its mobile phone and network side is a cdma network; When the user when the cdma network border roaming is to the GSM network; The user initiates location update message to HLR; MAP dialogue definition in this location update message includes the network type definition value; Mobile network's type that various network type definition value is corresponding different is because the network type definition value of GSM is 1, so the network type definition value that MAP dialogue definition comprises in the said Client-initiated location update message is 1; HLR receives location update message, and obtaining in the said location update message is 1 MAP dialogue definition value, and judges that thus the mobile network that this user roams the place at present is the GSM network; HLR mobile network's type that this user is present is updated to GSM from CDMA.

Adopt technical scheme of the present invention, compared with prior art, utilize same Home Location Register to preserve user's heterogeneous networks information, let the user can use same Subscriber Number to realize mobile service different mobile networks.

Claims (3)

1. roaming method between heterogeneous networks, it is characterized in that: the terminal use only uses a number, may further comprise the steps:

(A) Home Location Register is stored same bimodulus or the multimode terminal user heterogeneous networks information in various available different mobile networks; Wherein, the said network information comprises: network essential information and business information;

(B) during terminal user roaming to available mobile network; Home Location Register is according to the type of the location update message of terminal use's initiation; Judge that said terminal use roams mobile network's type at place at present, is updated to the mobile network who is roamed with the mobile network who uses before the terminal user roaming in Home Location Register; The type of said location update message is confirmed through the network type definition value in the location update message, mobile network's type that various network type definition value is corresponding different;

(C) mobile network who is roamed according to preserve in the Home Location Register with the corresponding network information of this terminal use, carry out follow-up mobile service and handle.

2. roaming method between heterogeneous networks according to claim 1 is characterized in that: said step (B) specifically may further comprise the steps:

(B1) during terminal user roaming to available mobile network, initiate location update message to Home Location Register;

(B2) Home Location Register is set at mobile network's type that the terminal use uses at present with mobile network's type that the terminal use roams the place at present.

3. roaming method between heterogeneous networks according to claim 2; It is characterized in that: in the said step (B1); Bimodulus or the multimode terminal user heterogeneous networks information in various available different mobile networks is accepted interface through the user profile of OSS and is saved in the Home Location Register.

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