CN101459861B

CN101459861B - Method and system for mobile communication number carryover based on signaling relay technique

Info

Publication number: CN101459861B
Application number: CN200710172120XA
Authority: CN
Inventors: 宋树成; 胡正东
Original assignee: LIANGJIANG COMMUNICATIONS SYSTEM CO Ltd
Current assignee: LIANGJIANG COMMUNICATIONS SYSTEM CO Ltd
Priority date: 2007-12-12
Filing date: 2007-12-12
Publication date: 2011-05-04
Anticipated expiration: 2027-12-12
Also published as: CN101459861A

Abstract

The invention relates to a mobile communication number portable system and a method based on the signal relay technique, wherein the system comprises a number portable database SRF-NPDB with the signal delay function and a local business management device LSMS which are connected in a relative No.7 signaling chain circuit in series. The SRF-NPDB works in a non-signal point coding mode, when signal information flows through the SRF-NPDB, the coding is carried out to the number of number portable users to realize the aims of searching addresses and controlling spicing, and the LSMS manages the mapping relation of the number of the local portable users, which is synchronizing with the SRF-NPDB. The obvious characteristics of the invention are that an existing signal network and a mobile switched node do not need to be remodeled, and the business load of the existing network is not increased, the number portable business can be equally and separately carried out, which prevents risks in the upgrading and the remodeling of the existing network, guarantees the communication service quality, and provides an effective method for separately developing the mobile internet number portable business.

Description

A kind of system and method that carries based on the mobile communication number of signaling relaying technique

Technical field

The present invention relates to a kind of system and method for realizing number portability service at mobile radio communication, specifically, the independent number portability database NPDB of serial connection in relevant signaling link, just can realize the number portability service system of signaling relay function SRF easily, and not need existing communication net equipment is changed.

Background technology

" number carries " (Number Portability) business, be called the NP business, the user is moved in the address, change service supplier, or change and to continue to use original communicating number and the not number of changing when professional, it is the business that various countries at first implement that the mobile network internetwork number carries MNP.

The original number (ISDN number) of user X (contracted user) with number portability service is the Subscriber Number A that adopts net operation person A to be distributed.This user's ISDN number still is the A number when this user changes the network operator, and the number in the number portability service is meant this user's ISDN number.The scope of number portability service can comprise from the number between GSM mobile communication and cdma mobile communication and 3G mobile communication and carrying for the mobile subscriber.Except that the number of telephone call service carries, can also realize that the short message service number carries, and the carrying etc. of IN service number.

Realize that the key equipment that the mobile network internetwork number carries is the method that is incorporated into communication network of number portability database NPDB, adopt following two kinds of schemes visit NPDB usually:

Scheme one: the number based on the intelligent network inquiry mode carries scheme: the query function that utilizes Intellight network mode, Event triggered by similar service switching point, inquire about to the NPDB that concentrates, the number of the type carries function need increase corresponding intensive data library facilities on network, and the business that requires switch to have SSP triggers function, need be to not possessing the switch upgrades of SSP function, implement complicated for huge communication network, have high input, do not support and call out incoherent business.

Scheme two: the number based on signaling relay function NP-SRF carries scheme: mainly be by the conversion to signaling message, this scheme is on the bang path of signaling message, increase is handled interpreting equipment based on the number of signaling message, it goes without doing substantially adjusts for whole network, switch only uses original function to get final product, and the employing signaling method can provide easily and call out relevant and incoherent number portability service.

The mobile radio communication internetwork number that scheme two SRF functions are particularly useful for China carries.The usual method of implementation two is transformed and is increased the number translation function the Signalling Transfer Point STP equipment of existing signaling network different manufacturers as shown in Figure 1, adopts off-gauge private data agreement between the equipment of present most producers and the NPDB.Because NPDB and STP are close-coupled relations, NPDB is not a stand-alone network elements, and there is following defective in this: 1) STP is the nucleus equipment of signaling network, has brought the risk of signaling network upgrading, has increased number and has carried the enforcement difficulty; 2) do not meet present user data and handle the network development trend of separating with control.

The applicant provides " a kind of system and method for realizing communicating number portability business " on April 29th, 2004, application number in for 200410018035.4 application for a patent for invention in the applying date, promptly adopt processing interpreting equipment based on signaling link, realize the number decoding of signaling relay function SRF, make at switch and the signaling equipment of not transforming the communication online operation, just can realize the communication network number portability service.For realize that concrete system and method that the mobile network internetwork number carries is one of content of studying of the applicant always.

Summary of the invention

The objective of the invention is to not change existing signaling network and bearer network, independently provide a kind of and realize the system and method that number carries based on relaying SRF mode, on signaling network, introduce independently number portability database NPDB, and without existing Signalling Transfer Point STP of upgrading and switching node, utilize the ability of existing communication network fully, avoided technical risk that existing network is transformed, provide effective ways for independently carrying out mobile internetwork number portability service.

A kind of system of carrying provided by the present invention based on the mobile communication number of signaling relaying technique, a communication network and a central service management device that it is formed based on several signalling points that are connected in the Signaling System Number 7 net by signaling link, wherein: signalling point comprises voice and data exchange node, it is mobile switching centre, gateway MSC, short message service center, local home location register and multimedia switching center, it is characterized in that: this system comprises that also the number that some distributions are serially connected with signaling link carries processing unit and at least one local service management devices, wherein: described number carries processing unit, comprise signaling relay function and number portability database, the signaling relay function is finished signaling and is inserted and signaling process, and the number portability database number storing carries user's number relation; When signaling message installs by this, the signaling message of the control routing of flowing through is handled in this device real-time analysis, execution is to the decoding and the change operation of Subscriber Number, to comprising the signaling message of called number, rear subscriber number, the number portability database of carrying processing unit according to called number, calling number enquiry number, when recognizing calling subscriber or called subscriber or caller and Called Subscriber when being ported subscriber, judge whether to decipher the change operation, and make corresponding operating; Described local service management devices carries processing unit with each number and links to each other with central service management device, is used for logical number and the mapping relations of routing number and user's the service attribute of registration and management ported subscriber; To the synchronous modification that described number carries the number portability database enforcement user data of processing unit, finish described number and carry the loading of processing unit or check request; Receive and carry out operational order from central service management device.

System in that the above-mentioned mobile communication number based on the signaling relaying technique carries is characterized in that: described each number carries processing unit and is serially connected with the Signaling System Number 7 net in no signalling point mode and need carries out in the relevant signaling link of number decoding change.

In the system that the above-mentioned mobile communication number based on the signaling relaying technique carries, it is characterized in that: the number portability database that described number carries processing unit is a full-dispersive replication type database, this database is the subclass or the complete or collected works of the Subscriber Number and the attribute data of described local service management devices, and with the Subscriber Number data sync of this local service management devices.

System in that the above-mentioned mobile communication number based on the signaling relaying technique carries is characterized in that: it can be separate equipment that described number carries processing unit, also can be integrated in the telecommunication apparatus, also can attachedly make companion's formula equipment of telecommunication apparatus.

The present invention also provides a kind of method of carrying based on the mobile communication number of signaling relaying technique, and it comprises the following steps:

One) system is provided with some numbers and carries processing unit, at least one local service management devices and a central service management device, number carries processing unit and is serially connected with no signalling point working method in the signaling link that needs number decoding, and the local service management devices connects each number and carries centralized traffic management and the data sync that processing unit realizes that number carries;

Two) number carries processing unit and realizes that signaling relay function and enquiry number carry database function, when signaling message installs by this, check numbers and carry user's relevant signaling message, finishing message flow deciphers through the formula number, transmit this message, to the signaling message that does not need to handle, then straight-through the transmission;

Three) after described local service management devices is received the business operating instructions of central service management device, be synchronized to the database that the number of being administered carries processing unit immediately or regularly.

Adopted above-mentioned technical scheme, realize that at mobile radio communication the net internetwork number carries, this system is made of the number portability database SRF-NPDB with signaling relay function and the local service management devices LSMS that are serially connected with in no signaling point code mode in the relevant signaling link.When signaling message is flowed through SRF-NPDB, carry out the number that carries the user of checking numbers and change conversion, reach the purpose that addressing and control continue, LSMS manages local portability user's number mapping relations and is synchronized with SRF-NPDB.Outstanding feature of the present invention is to transform existing signaling network and mobile exchanging node, do not increase the traffic load of existing network, number portability service can fair independently provide enforcement, avoided the close-coupled of Signalling Transfer Point, avoided existing network upgrading risk, guaranteed telecommunication service quality, provide effective ways for independently carrying out mobile internetwork number portability service.

Description of drawings

Fig. 1 increases the SRF-NPDB functional schematic by transforming Signalling Transfer Point STP;

Fig. 2 is the schematic diagram that the present invention realizes the mobile internetwork number portability service system;

Fig. 3 is that the present invention realizes MSC addressing decode schematic flow sheet.

Specific embodiment

As shown in Figure 2, in an area, there are a plurality of mobile operator in the present invention: operator 1, operator 2, the n of operator when realizing that the mobile network internetwork number carries the MNP business.The network of each operator is formed based on several signalling points that are connected in No. seven (SS7) signaling networks 11 by signaling link, wherein: signalling point comprises Signalling Transfer Point and voice and data exchange node, and switching node is mobile switching centre 12 (MSC), short message service center 13 (SMSC), media exchange center 14 (MMSC), gateway MSC 15 (GMSC) and local home location register 16 (HLR).

At first dispose independently local MNP operation system, comprise that the number with signaling relay function SRF carries processing unit 21 (SRF-NPDB) and local service management devices 22 (LSMS).Wherein:

Number carries processing unit SRF-NPDB, and can to adopt the applicant be on October 15th, 2003 in the applying date, " at Signaling System Number 7 chain circuit function layer identification processing method and the device to signaling data " of application number for providing in 200310107935.1 the application for a patent for invention, it provides the technical method that SRF-NPDB is serially connected with signaling link with no signalling point, SRF-NPDB is serially connected with in the relevant signaling link that needs decoding as no signalling point equipment, generally be switching node MSC, SMSC, GMSC, the signaling link that MMSC is connected with Signalling Transfer Point STP, or the signaling link that is connected with STP of HLR, or in the signaling link of switching node and HLR direct connection, the signalling point of both sides that SRF-NPDB connects is unaware.SRF-NPDB adopts TCP/IP to be connected with LSMS.SRF-NPDB comprises signaling relay function and number portability database, and the signaling relay function is finished signaling and inserted and signaling process, and the number portability database number storing carries user's number relation.The signaling message of the control routing of flowing through is handled in the SRF-NPDB real-time analysis, execution is to the decoding and the change operation of Subscriber Number, to comprising the signaling message of called number, rear subscriber number, the number portability database of carrying processing unit according to called number, calling number enquiry number, when recognizing calling subscriber or called subscriber or caller and called subscriber for ported subscriber, judge whether to decipher the change operation, and make corresponding operating.

Local service management devices LSMS links to each other with central service management device 3 (CSMS) with each SRF-NPDB, the logical number and the mapping relations of routing number and user's the service attribute that are used for registration and management portability user, and the database of SRF implemented the synchronous modification of user data, finish the loading of SRF-NPDB or check request.

SRF-NPDB is connected in the signaling link of signaling network as the autonomous device of no signalling point working method, realizes that signaling relay function and enquiry number carry database function.For the local network of an operator, one or more SRF-NPDB and a cover local service management devices LSMS are set.The database of SRF-NPDB is a full-dispersive replication type database, and this database is the subclass or the complete or collected works of the Subscriber Number and the attribute data of local service management devices, and with the Subscriber Number data sync of this local service management devices.

To the relevant addressed message that the interdependent nodes such as MSC, SMSC, GMSC and MMSC that relate to number portability service send, at first through being serially connected in the SRF-NPDB in the link, such message is finished this message of number decoding back transmission by SRF-NPDB; Relate to the message that number carries for non-, then straight-through the transmission.

This mode only needs the independent SRF-NPDB of access equipment, and does not need STP and mobile exchanging node are carried out function upgrading, does not also need to increase the particular protocol interface, does not increase the signaling traffic load of existing network, can also support the intercommunication of multi-operator network.

SRF-NPDB can be a separate equipment, also can be integrated in the STP, also can attachedly make companion's formula equipment of STP.

With MSC call number being carried user's addressing is example, and number portability service decoding flow process is described, as shown in Figure 3:

(1) MSC sends addressing SRI message, message is at first through being serially connected in the SRF-NPDB in the signaling link, SRF-NPDB is for the non-message that relates to NP, then with the straight-through transmission of signaling message, to the NP service message, after SRF-NPDB finishes number decoding, (1 ') transmits this message, follow-up former function by the mobile signaling protocol net is finished the transmission of message and is handled, and does not need existing network is upgraded, and (2) addressing response SRI-ACK message is returned MSC.

(a) after the local service management devices is received the business operating instructions of central service management device, (a ') is synchronized to the database that the number of being administered carries processing unit immediately or regularly.

In above-mentioned flow process, STP does not increase the business function that relevant number carries.

Claims

1. system of carrying based on the mobile communication number of signaling relaying technique, a communication network and a central service management device that it is formed based on several signalling points that are connected in the Signaling System Number 7 net by signaling link, wherein: signalling point comprises voice and data exchange node, these voice and data exchange node are mobile switching centre, gateway MSC, short message service center, local home location register and multimedia switching center, it is characterized in that: this system comprises that also the number that some distributions are serially connected with signaling link carries processing unit and at least one local service management devices, wherein:

Described number carries processing unit, comprises signaling relay function module and number portability database, and signaling relay function module is finished signaling and inserted and signaling process, and the number portability database number storing carries user's number relation; When signaling message carries processing unit by this number, this number carries the signaling message that the control routing of flowing through is handled in the processing unit real-time analysis, execution is to the decoding and the change operation of Subscriber Number, to comprising the signaling message of called number, rear subscriber number, the number portability database of carrying processing unit according to called number, calling number enquiry number, when recognizing calling subscriber or called subscriber or caller and Called Subscriber, judge whether to decipher and to change operation, and make corresponding operating for ported subscriber;

Described local service management devices carries processing unit with each number and links to each other with central service management device, is used for logical number and the mapping relations of routing number and user's the service attribute of registration and management ported subscriber; To the synchronous modification that described number carries the number portability database enforcement user data of processing unit, finish described number and carry the loading of processing unit or check request; Receive and carry out operational order from central service management device.

2. system of carrying based on the mobile communication number of signaling relaying technique according to claim 1 is characterized in that: described each number carries processing unit and is serially connected with the Signaling System Number 7 net in no signalling point mode and need carries out in the relevant signaling link of number decoding change.

3. system of carrying according to claim 1 and 2 based on the mobile communication number of signaling relaying technique, it is characterized in that: the number portability database that described number carries processing unit is a full-dispersive replication type database, this database is the subclass or the complete or collected works of the Subscriber Number and the attribute data of described local service management devices, and with the Subscriber Number data sync of this local service management devices.

4. system of carrying according to claim 1 and 2 based on the mobile communication number of signaling relaying technique, it is characterized in that: it can be separate equipment that described number carries processing unit, also can be integrated in the telecommunication apparatus, also can attachedly make companion's formula equipment of telecommunication apparatus.

5. method of carrying based on the mobile communication number of signaling relaying technique, it comprises the following steps:

One) system is provided with some numbers and carries processing unit, at least one local service management devices and a central business management system, number carries processing unit and is serially connected with no signalling point working method in the signaling link that needs number decoding, and the local service management devices connects each number and carries centralized traffic management and the data sync that processing unit realizes that number carries;

Two) number carries processing unit and realizes that signaling relay function and enquiry number carry database function, when signaling message carries processing unit by this number, check numbers and carry user's relevant signaling message, finishing message flow deciphers through the formula number, transmit this message, to the signaling message that does not need to handle, then straight-through the transmission;