CN100488299C

CN100488299C - A method for implementing virtual mobile switching center

Info

Publication number: CN100488299C
Application number: CNB031319483A
Authority: CN
Inventors: 吴传江; 季坤
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2003-06-19
Filing date: 2003-06-19
Publication date: 2009-05-13
Anticipated expiration: 2023-06-19
Also published as: CN1568024A

Abstract

The invention discloses an implement method of the virtual mobile exchanging center. It includes the following procedures: collect the relative attribute and data of different cities in the area where the mobile exchanging center covers; build a coincidence relation between the position information in the coverage area and VMSC; get the current corresponding virtual mobile exchanging center VMSC of users; make a processing relative to VMSC on demands. The invention can meet the demand of the ability that one MSC can cover many cities, and can meet the special demand that is relative to area attribute made by the operator through expanding the attribute of VMSC. It makes the virtual mobile exchanging center full of adaptability, moreover, save the equipment cost greatly.

Description

A kind of implementation method of virtual mobile switching centre

Technical field

The present invention relates to electronic communication field, particularly relate to the mobile switching centre's implementation method in a kind of mobile communication system.

Background technology

Mobile switching centre is one of core of mobile communication system, and it is a functional entity of all mobile switching centres that are arranged in its overlay area being controlled and finished the speech channel exchange, also is the interface of mobile communication system and other public network.

In most cases, an area has one or more mobile switching centres (to be called for short MSC, MobileSwitch Center), but also there is a MSC to cover the networking mode of a plurality of districts and cities, in this case, require the processing capacity of MSC bigger, and corresponding districts and cities geographic range is less, number of users is less relatively.

If need to realize this networking mode, operator has following requirement usually:

1. when the mobile subscriber of different districts and cities dials other public correspondence network users in the coverage, require to have different connecting methods;

As by the public switched telephone network of MSC prefectures and cities in its coverage (hereinafter to be referred as PSTN, PublicSwitched Telephone Network) or telecommunications network, all need separately signaling link and speech channel relaying respectively, when certain districts and cities mobile subscriber dials the PSTN network users of other districts and cities in the same coverage, require to continue by the PSTN net gateway exchange of other districts and cities; When certain districts and cities mobile subscriber dials the outer PSTN network users of coverage in the coverage, then requiring to continue by these districts and cities PSTN net gateway exchange, also is that MSC will go out from these districts and cities PSTN net gateway exchange.

2. when the mobile subscriber arrives different districts and cities, can access different short message welcome words.

But utilize the MSC system of existing techniques in realizing, when a MSC covers a plurality of districts and cities, desired difficult realization of demand that those are closely related with concrete districts and cities above similar, and also the autgmentability of its processing method is bad.

Summary of the invention

The objective of the invention is the defective that exists in the above-mentioned background technology, a kind of implementation method of virtual mobile switching centre is provided, in a plurality of districts and cities different virtual mobile switching centre of structure that MSC covers, realize business relevant of the user in the overlay area and the processing of activating business thereof with the geographical position.

In order to achieve the above object, the implementation method of a kind of virtual mobile switching centre that the present invention proposes, this method may further comprise the steps:

1) association attributes and the data of the different districts and cities in the collection mobile switching centre coverage;

2) set the different virtual VMSC of mobile switching centre according to the different districts and cities in the coverage, the attribute of virtual mobile switching centre is exactly the association attributes and the data of its corresponding districts and cities, and sets up the interior positional information of mobile switching centre's coverage and the corresponding relation of virtual mobile switching centre;

3) according to the current position of mobile subscriber, find its corresponding virtual mobile switching centre, obtain virtual mobile switching centre association attributes;

4) carry out the processing relevant according to demand with virtual mobile switching centre.

Adopt technical solution of the present invention, compared with prior art, utilize VMSC can realize easily that a MSC covers the functional requirement of a plurality of districts and cities, and for the specific (special) requirements relevant of Carrier Requirements with regional attribute, can be by the expansion of VMSC attribute be finished, make virtual mobile switching centre have very strong flexibility, and saved equipment cost greatly.

Below in conjunction with embodiment, and be elaborated with reference to the technical scheme of accompanying drawing to this invention.

Description of drawings

Fig. 1 is the overall flow figure of virtual mobile switching centre performing step.

Fig. 2 is a specific embodiment of the invention demand environment schematic diagram.

Embodiment

Virtual Mobility Center provided by the present invention is in order to satisfy when a MSC covers a plurality of districts and cities, realizes and demand that districts and cities are closely related, and has proposed this completely new concept of virtual mobile switching centre.Wherein, MSC physical configuration and the management of resource still continued to use original mobile switching centre platform, manage with virtual Mobility Center VMSC the attribute relevant with certain districts and cities is abstract, VMSC is the notion of a logic just together, does not need newly-increased any physical equipment.

As shown in Figure 1, at first, collect the association attributes data of the different districts and cities in mobile switching centre's coverage, as the attribute of different VMSC, step 101; Set up the corresponding relation of interior positional information of coverage and VMSC, step 102; Then, obtain user's current corresponding virtual VMSC of mobile switching centre, step 103; At last, carry out the processing relevant, step 104 according to demand with VMSC.

In the above-mentioned flow process, the attribute relevant with certain districts and cities comprises: these districts and cities VMSC sign, long-distance zone name of these districts and cities and coding, these districts and cities are to the routing mode of other communication networks, the short message welcome words of these districts and cities etc., and, can expand the attribute of VMSC along with the generation of new demand; And positional information is represented with GCI (abbreviation of global sub-district, Global Cell ID) in the MSC coverage, sets up the corresponding relation of interior positional information of coverage and VMSC in the step 102, is to realize by the corresponding relation of setting up GCI and VMSC; That is mentioned in the step 104 carries out respective handling, may further comprise the steps: according to the current position of mobile subscriber, the corresponding relation of inquiring position information and VMSC, obtain mobile subscriber's present located VMSC sign (ID), obtain the respective attributes of this VMSC, the routing mode that is provided by VMSC carries out the outgoing route selection, roams into this VMSC zone for the first time as the user, then sends out the short message welcome words of this VMSC to the mobile subscriber.

Be a specific embodiment of the present invention below.

As shown in Figure 2, suppose that trans-regional mobile switching centre 10 has covered A, B, C, D four ground, the public switched telephone network on four ground is respectively 20,22,24,26, mobile switching centre 10 and network entity BSC40 intercommunication.

Mobile subscriber 30 when A ground dials B, when C, the PSTN user on D ground, and respectively from B, C, the PSTN striking out of D ground when dialing the outer PSTN user of MSC coverage, is given orders or instructions through BSC 40, and from the PSTN striking out of A ground, shown in the dotted arrow that is positioned at the left side among the figure; Equally, when B ground mobile subscriber 32 dials A, when C, the PSTN user on D ground, respectively from A, C, the PSTN striking out of D ground when dialing the outer PSTN user of MSC coverage, is given orders or instructions through BSC40, from the PSTN striking out of B ground, shown in the dotted arrow on the right of being positioned among the figure; The mobile subscriber is to A in addition, B, and C can receive the short message welcome words of different content during D.

The operating procedure of present embodiment is as follows:

1. the attribute of certain districts and cities of the virtual Mobility Center of desiring to become certain mobile communication center is put in order, and represented with different VMSC;

1) attribute of each VMSC and the arrangement content of data are comprised again:

At first finish the definition of VMSC attribute and the mapping relations of related data and VMSC, and be stored as database as shown in table 1, it has specifically described attribute relevant with certain districts and cities and data.

Table 1

Field	Explain
Field	Explain	VMSCID	The virtual MSC sign
AREACODE	The long-distance regional code of VMSC correspondence	VMSCID	The virtual MSC sign
AREACODE	The long-distance regional code of VMSC correspondence	AREANAME	The long-distance zone name of VMSC correspondence
PSTN_ROUTE_A	MSC is to A ground PSTN gateway exchange routing number	AREANAME	The long-distance zone name of VMSC correspondence
PSTN_ROUTE_A	MSC is to A ground PSTN gateway exchange routing number	PSTN_ROUTE_B	MSC is to B ground PSTN gateway exchange routing number
PSTN_ROUTE_C	MSC is to C ground PSTN gateway exchange routing number	PSTN_ROUTE_B	MSC is to B ground PSTN gateway exchange routing number
PSTN_ROUTE_C	MSC is to C ground PSTN gateway exchange routing number	PSTN_ROUTE_D	MSC is to D ground PSTN gateway exchange routing number
SMS	The short message welcome words of this VMSC	PSTN_ROUTE_D	MSC is to D ground PSTN gateway exchange routing number

2) carry out the arrangement of the corresponding relation of positional information and VMSC, and will put the result in order and be stored as database as shown in table 2, it has described the different districts corresponding virtual MSC number, and wherein VMSCID defines in table 1.

Table 2

Field	Explain
Field	Explain	GCI	Whole world cell identification number
VMSCID	Sub-district corresponding virtual MSC sign	GCI	Whole world cell identification number

2. obtain the VMSC of the current correspondence of user;

3. carry out the processing relevant with VMSC according to demand, the concrete operations content of this step comprises:

When the mobile subscriber is initiated to PSTN user's calling as caller, MSC is by the residing GCI of current mobile user, obtain the VMSCID at user place according to the database of table 2, obtain the attribute of this VMSCID again by the database of table 1, here suppose that current mobile user is on A ground, MSC judges the districts and cities of called PSTN Subscriber Number ownership simultaneously, the concrete operations situation as: be B ground user 1), then will arrive called continuing and continue by route PSTN_ROUTE_B (seeing Table field in 1) as called PSTN number; When 2) being C or D ground PSTN user, continue by route PSTN_ROUTE_C or PSTN_ROUTE_D to called continuing as called PSTN number; 3) be in A ground user or the non-MSC coverage during PSTN user when analyzing called PSTN user, continue by PSTN_ROUTE_A.So just satisfied redirect request special when the mobile subscriber dials PSTN user in the MSC coverage.

The mobile subscriber is when new districts and cities of roaming, can initiate position updating request, simultaneously, obtain the positional information GCI at this current place of user by MSC, obtain the attribute of affiliated VMSCID according to GCI, and further from the database shown in the table 1, obtain the corresponding short message welcome words of VMSCID therewith, by MSC the welcome words that obtain are issued the user by the form of short message again, so just realized receiving when the user is to different districts and cities the functional requirement of different welcome words.

Although with reference to embodiment to disclosed when relating to a MSC and covering a plurality of districts and cities the implementation method of virtual mobile switching centre carried out special description, those skilled in the art can understand, under the situation that does not depart from scope and spirit of the present invention, can carry out all conspicuous modification of form and details to it, the demand that interrelates as extendible and different districts and cities, increase or delete the attribute of virtual mobile switching centre, change the method for expressing of VMSC, revise the processing relevant etc. with VMSC.Therefore, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, and all variations and revising all within the scope of the present invention, protection scope of the present invention is as the criterion with claim.

Claims

1. the implementation method of a virtual mobile switching centre, it comprises following steps:

2. the implementation method of virtual mobile switching centre as claimed in claim 1, it is characterized in that the described attribute relevant with districts and cities comprises: the virtual VMSC of the mobile switching centre sign of these districts and cities, long-distance zone name of these districts and cities and coding, these districts and cities are to the routing mode of other communication networks, the short message welcome words of these districts and cities, and the attribute of the virtual VMSC of mobile switching centre can expand.

3. the implementation method of virtual mobile switching centre as claimed in claim 1 is characterized in that the positional information in the described MSC coverage adopts global sub-district GCI to represent.

4. the implementation method of virtual mobile switching centre as claimed in claim 1, it is characterized in that described step 3) comprises the current position according to the mobile subscriber, the corresponding relation of inquiring position information and the virtual VMSC of mobile switching centre, obtain the virtual VMSC of the mobile switching centre sign of mobile subscriber's present located, and then obtain the respective attributes of this virtual VMSC of mobile switching centre.

5. the implementation method of virtual mobile switching centre as claimed in claim 1, it is characterized in that described step of carrying out the processing relevant according to demand, comprise that the routing mode that is provided by the virtual VMSC of mobile switching centre carries out outgoing route and selects with the virtual VMSC of mobile switching centre.

6. the implementation method of the virtual mobile switching centre that states as claim 5 is characterized in that the described routing mode that is provided by the virtual VMSC of mobile switching centre carries out the step that outgoing route is selected, and comprising:

When the mobile subscriber is initiated to PSTN user's calling as calling terminal, MSC is by the residing global sub-district GCI of current mobile user, obtain the virtual VMSC of the mobile switching centre sign at user place, and then obtain the virtual VMSC of mobile switching centre attribute, judge the districts and cities of called PSTN Subscriber Number ownership by MSC, according to called PSTN number, will arrive the called MSC that continues by the route correspondence and continue to the PSTN gateway exchange route on this ground.

7. the implementation method of the virtual mobile switching centre that states as claim 5, it is characterized in that as mobile subscriber during in new districts and cities of roaming, initiate position updating request, obtain the positional information whole world sub-district GCI at this current place of user by MSC, obtain the attribute of corresponding affiliated virtual mobile switching centre sign according to global sub-district GCI, and obtain virtual therewith mobile switching centre and identify corresponding short message welcome words, issue the user by MSC by the short message form again.