Transmission method, BSS, mobile switching centre and the core net of user face dataTechnical field
The present invention relates to the communications field, more particularly to a kind of transmission method of user face data, base station sub-system, mobile friendshipSwitching center9 and core net.
Background technology
Existing global system for mobile communications (Global System for Mobile Communications, is referred to asGSM core net (Core Network, referred to as CN) and access network (AccessNetwork) two parts, wherein core net) are includedInclude mobile switching centre (Mobile Switching CenterServer, referred to as MSC Server or MSC) and media netClose (Media GateWay, referred to as MGW), access network includes base station sub-system (Base Station Subsystem, abbreviationFor BSS) and mobile terminal (Mobile Station, referred to as MS).It is attached between core net and access network by A mouths,Communicated between base station sub-system and mobile terminal by Um Interface, as shown in Figure 1.
Currently in order to saving transfer resource, local call local exchange function (Local Call are introducedLocalSwitch, abbreviation LCLS), i.e., directly the user-plane voice of a side of local call is not sent by the MGW of core netTo the opposing party.Gsm system is after call is established, if during without using local call local exchange function, BSS will can receive from MSUser face data is transmitted to MGW, and the user face data received from MGW is transmitted into MS.And when using local exchange function, BSSThe user face data received from side MS can be transmitted to opposite side MS, avoid and user face data is passed into MGW processes, so as toReduce the expense from transfer resource, detailed process is as shown in Figure 2.
After using local exchange function, because BSS will not receive user face data from CN, so as to which some increasings can be causedThe use of value business function is affected, and is such as needed in CN by some audio announcements or sound for needing to pass to terminal userWhen being transferred to BSS, because after local exchange is established, BSS will not receive user face data from core net, cause from caused by CNUser face data can not be delivered to MS, and detailed process is as shown in Figure 3.
Having contained a kind of dismounting local exchange function that do not have in the V10.3.0 of 3GPP TS 23.284 at present can just solveCertainly CN sends the problem of user-plane voice method, and this method is that CN requires that BSS carries out user face data monitoring, when BSS has found haveUser face data from CN receive when, user face data is just passed into MS.But not all BSS can support user planeMonitoring, therefore for the BSS that user plane monitors can not be supported to need another method to be used for CN insertion user face datas.
The content of the invention
The embodiments of the invention provide a kind of transmission method of user face data, base station sub-system, mobile switching centre andCore net, never supported with solution user face data monitor BSS can not from CN receive user face data the problem of.
The embodiments of the invention provide a kind of transmission method of user face data, applied to the shifting using local exchange functionIn dynamic communication system, this method includes：
After first base station subsystem (BSS) receives the message from core net (CN), the user that will be received from the CNFace data are sent to the first mobile terminal (MS) being connected with the first BSS, and return to the first confirmation message to the CN；
After 2nd BSS receives the message from the CN, it will receive from the 2nd MS being connected with the 2nd BSSUser face data send to the CN, and to the CN return the second confirmation message.
Preferably, the CN includes a mobile switching centre (MSC) and a WMG (MGW).
Preferably, after the first BSS receives the message from CN, the user face data received from the CN is sentThe first connected MS of the first BSS are given, and the first confirmation message is returned to the CN, including：
After first BSS receives the message from the MSC, the user face data received from the MGW is sentThe first confirmation message is returned to the first MS, and to the MSC；
After 2nd BSS receives the message from the CN, it will receive from the to be connected with the 2nd BSSTwo MS user face data is sent to the CN, and returns to the second confirmation message to the CN, including：
After 2nd BSS receives the message from the MSC, the user plane number from the 2nd MS that will receiveAccording to transmission to the MGW, and the second confirmation message is returned to the MSC.
Preferably, the CN includes multiple MSC and multiple MGW.
Preferably, after the first BSS receives the message from CN, the user face data received from the CN is sentThe first connected MS of the first BSS are given, and the first confirmation message is returned to the CN, including：
After first BSS receives the message from the first MSC, the user face data received from the first MGW is sentThe first confirmation message is returned to the first MS, and to the first MSC, wherein, the user face data is that the 3rd MSC is being receivedAfter the second confirmation message sent to the first MSC first confirmation messages sent and the 2nd MSC, the described 3rd is notifiedThe user face data that MGW is sent to the first MGW；
After 2nd BSS receives the message from the CN, it will receive from the to be connected with the 2nd BSSTwo MS user face data is sent to the CN, and returns to the second confirmation message to the CN, including：
After 2nd BSS receives the message from the 2nd MSC, the user plane number from the 2nd MS that will receiveAccording to transmission to the 2nd MGW, and the second confirmation message is returned to the 2nd MSC.
Preferably, one or more MSC are connected between the first MSC and the 3rd MSC；And/or described secondOne or more MSC are connected between MSC and the 3rd MSC.
Preferably, the first BSS and the 2nd BSS are located in same BSS.
The embodiment of the present invention additionally provides a kind of transmission method of user face data, applied to use local exchange functionIn GSM, this method includes：
Core net (CN) is after it is determined that need to send user face data to the first mobile terminal (MS), to for the first MSThe first BSS for providing service sends message and sends message to the 2nd BSS to be communicated with the first BSS；
The CN receives the first confirmation message and the 2nd BSS roots that the first BSS returns according to the messageAfter the second confirmation message returned according to the message, the user face data is sent to the first BSS.
Preferably, the CN includes a mobile switching centre (MSC) and a WMG (MGW).
Preferably, the CN it is determined that need to the first MS send user face data after, to the first BSS send message and to2nd BSS sends message, including：
The MSC sends message and to second after it is determined that needing to send user face data to the first MS, to the first BSSBSS sends message；
The second confirmation that the CN receives the first confirmation message of the first BSS returns and the 2nd BSS is returnedAfter message, the user face data is sent to the first BSS, including：
The second confirmation that the MSC receives the first confirmation message of the first BSS returns and the 2nd BSS is returnedAfter message, the MGW for providing service for the first BSS is notified to send the user face data to the first BSS.
Preferably, the CN includes multiple mobile switching centres (MSC) and multiple WMGs (MGW).
Preferably, the CN it is determined that need to the first MS send user face data after, to the first BSS send message and to2nd BSS sends message, including：
3rd MSC notifies the first MSC to described first after it is determined that needing to send user face data to the first MSBSS sends message and notifies the 2nd MSC to send message to the 2nd BSS；
The second confirmation that the CN receives the first confirmation message of the first BSS returns and the 2nd BSS is returnedAfter message, the user face data is sent to the first BSS, including：
3rd MSC receives the first confirmation message that the first BSS returns and by described the by the first MSCAfter two MSC receive the second confirmation message that the 2nd BSS is returned, the 2nd MGW is notified to provide service to for the first BSSThe first MGW send the user face data, the first MGW sends the user face data to the first BSS.
The embodiment of the present invention provides a kind of base station sub-system (BSS) again, applied to the movement using local exchange functionIn communication system, the BSS includes：
First BSS, after receiving the message from core net (CN), the user face data received from the CN is sent outThe first mobile terminal (MS) being connected with the first BSS is given, and the first confirmation message is returned to the CN；
2nd BSS, after receive the message from the CN, it will receive from being connected with the 2nd BSS2nd MS user face data is sent to the CN, and returns to the second confirmation message to the CN.
Preferably, the first BSS, is specifically used for：, will be from matchmaker after receiving the message from mobile switching centre (MSC)The user face data that body gateway (MGW) receives is sent to the first MS, and returns to the first confirmation message to the MSC；InstituteThe 2nd BSS is stated, is specifically used for：After receiving the message from the MSC, the user plane number from the 2nd MS that will receiveAccording to transmission to the MGW, and the second confirmation message is returned to the MSC.
Preferably, the first BSS, is specifically used for：, will be from the after first BSS receives the message from the first MSCThe user face data that one MGW is received is sent to the first MS, and returns to the first confirmation message to the first MSC；Wherein,The user face data is that the 3rd MSC is receiving first confirmation message and the 2nd MSC transmissions that the first MSC is sentAfter second confirmation message, the user face data that notifies the 3rd MGW to be sent to the first MGW；2nd BSS,It is specifically used for：After receiving the message from the 2nd MSC, the user face data from the 2nd MS received is sent to theTwo MGW, and return to the second confirmation message to the 2nd MSC.
Preferably, one or more MSC are connected between the first MSC and the 3rd MSC；And/or described secondOne or more MSC are connected between MSC and the 3rd MSC.
The embodiment of the present invention separately provides a kind of mobile switching centre (MSC), applied to the shifting using local exchange functionIn dynamic communication system, the MSC includes：
Message transmission module, for it is determined that needing to after the first mobile terminal (MS) transmission user face data, Xiang WeisuoThe first MS is stated the first BSS transmission message of service is provided and sends message to the 2nd BSS to communicate with the first BSS；
Notification module, the first confirmation message and described returned for receiving the first BSS according to the messageAfter the second confirmation message that two BSS are returned according to the message, notify to provide the WMG (MGW) of server for the first BSSThe user face data is sent to the first BSS.
Preferably, the message transmission module, is specifically used for：After it is determined that needing to send user face data to the first MS,Message is sent to for the first BSS directly or by other MSC, and is sent out directly or by other MSC to the 2nd BSSSend message；The notification module, is specifically used for：Receive the first BSS returns directly or by other MSC first confirmsAfter the second confirmation message that message and the 2nd BSS are returned, directly notify or notify to provide for the first BSS by other MGWThe MGW of service sends the user face data to the first BSS.
The embodiment of the present invention additionally provides a kind of core net (CN), applied to the mobile communication system using local exchange functionIn system, including above-mentioned mobile switching centre (MSC) and WMG (MGW).
Transmission method, base station sub-system, mobile switching centre and the core net of above-mentioned user face data, handed over using localAfter changing function, CN can be still allowed to send user face data to MS, so that the use of value-added service function will not be by shadowRing.
Brief description of the drawings
Fig. 1 is existing GSM mobile communcations systems configuration diagram；
Fig. 2 is the existing user plane data transfer schematic diagram used after local call local exchange function；
Fig. 3 be it is existing used local call local exchange function after, when CN need transmit user face data when useFamily face data transfer schematic diagram；
Fig. 4 is the schematic network structure of gsm system embodiment one of the present invention；
Fig. 5 is the transmission schematic diagram one of user face data of the present invention；
Fig. 6 is the signaling process figure one between MSC and BSS1/BSS2 in gsm system of the present invention；
Fig. 7 is the schematic network structure of gsm system embodiment two of the present invention；
Fig. 8 is the transmission schematic diagram two of user face data of the present invention；
Fig. 9 is the signaling process figure two between MSC and BSS1/BSS2 in gsm system of the present invention；
Figure 10 is the structural representation of BSS embodiments of the present invention；
Figure 11 is the structural representation of MSC embodiments of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present inventionEmbodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the applicationFeature can mutually be combined.
The embodiments of the invention provide a kind of transmission method of user face data, applied to the shifting using local exchange functionIn dynamic communication system, this method is described from CN angles, and this method includes：
Step 11, core net (CN) are after it is determined that need to send user face data to the first mobile terminal (MS), Xiang WeisuoThe first MS is stated the first BSS transmission message of service is provided and sends message to the 2nd BSS to communicate with the first BSS；
Wherein, above-mentioned CN can include MSC and MGW, can also know MGW including multiple MSC；
Step 12, the CN receive the first confirmation message and described that the first BSS returns according to the messageAfter the second confirmation message that two BSS are returned according to the message, the user face data is sent to the first BSS.
Above-mentioned CN, by after it is determined that needing to send user face data to MS, sending and disappearing to the BSS that service is provided for the MSBreath so that MS can receive the user face data of CN insertions.
The embodiment of the present invention additionally provides a kind of transmission method of user face data, applied to use local exchange functionIn GSM, this method is described from BSS angles, and this method includes：
After step 21, first base station subsystem (BSS) receive the message from core net (CN), it will be received from the CNUser face data be sent to the first mobile terminal (MS) being connected with the first BSS, and return to first to the CN and confirmMessage；
After step 22, message of the 2nd BSS receptions from the CN, coming from for receiving is connected with the 2nd BSSThe 2nd MS user face data send to the CN, and return to the second confirmation message to the CN.
The no sequencing requirement of execution of above-mentioned steps 21 and step 22.
Above-mentioned first BSS and the 2nd BSS is logically two different BSS, but is physically same BSS.
When CN only includes a mobile switching centre (MSC) and WMG (MGW), the first BSS is receivedAfter message from the MSC, the user face data received from the MGW is sent to the first MS, and to the MSCReturn to the first confirmation message；After 2nd BSS receives the message from the MSC, the 2nd MS is come from by what is receivedUser face data send to the MGW, and to the MSC return the second confirmation message.
, will after the first BSS receives the message from the first MSC when the CN includes multiple MSC and multiple MGWThe user face data received from the first MGW is sent to the first MS, and returns to the first confirmation message to the first MSC,Wherein, the user face data is that the 3rd MSC is receiving first confirmation message and the 2nd MSC that the first MSC is sentAfter the second confirmation message sent, the user face data that notifies the 3rd MGW to be sent to the first MGW；2nd BSSAfter receiving the message from the 2nd MSC, the user face data from the 2nd MS received is sent to the 2nd MGW, andThe second confirmation message is returned to the 2nd MSC.
Certainly, above-mentioned first MGW, the 2nd MGW and the 3rd MGW out-of-order relations, only it is a kind of example of application scenarios.
Technical scheme is described in detail from the CN and BSS angles interacted below.
Embodiment one
As shown in figure 4, being the schematic network structure of gsm system embodiment of the present invention, the gsm system includes：MS1、MS2, for MS1 provide service BSS1, for MS2 provides service BSS2,1 MSC and 1 MGW, MS1 and MS2 be a pairTwo terminals of call, BSS1 and BSS2 are logically two different BSS, but are physically same BSS.
Specifically, MSC has used local call in BSS in addition to completing function as defined in existing protocol to MS1 and MS2After local exchange function, when needing to insert user face data to MS1, MSC sends messages to BSS1, and notice BSS1 stops from thisGround link receives user face data, is changed to receive user face data from MGW.Meanwhile MSC sends messages to BSS2, BSS2 is notifiedSend the user face data received from MS2 to MGW.
BSS1 is transmitted to MS1 after MSC message is received, by the user face data received from MGW, and reply confirmation message toMSC。
BSS2 is transmitted to MGW after MSC message is received, by the user face data received from MS2, and reply confirmation message toMSC。
For MSC after BSS1 and BSS2 confirmation message is received, notice MGW can send the user face data for needing to insert,It is specific as shown in Figure 5.
As shown in fig. 6, be the signaling process figure one in gsm system of the present invention between MSC and BSS1/BSS2, the flow bagInclude：
Step 601, MSC send message informing BSS1；
Step 602, MSC send message informing BSS2；
The requirement of above-mentioned steps 601 and step 602 without order priority.
Step 603, BSS1 reply MSC confirmation messages after the message of MSC transmissions is received；
Step 604, BSS2 reply MSC confirmation messages after the message of MSC transmissions is received.
After MSC receives BSS1 and BSS2 confirmation message, notice MGW sends the user face data for needing to insert to GSS1.
Embodiment two
The present invention may also apply to multiple MSC and multiple MGW in CN be present.
As shown in fig. 7, be the schematic network structure of gsm system embodiment two of the present invention, the gsm system in the present embodimentIncluding：MS1 and MS2, the BSS2 for provide the BSS1 of service for MS1, service being provided for MS2,3 MSC (MSC1, MSC2, MSC3)With 3 MGW (MGW1, MGW2, MGW3)；Wherein, MS1 and MS2 is a pair of two terminals conversed, and BSS1 and BSS2 are being patrolledIt is two different BSS on volume, but is physically same BSS.
Specifically, after BSS has used local call local exchange function to MS1 and MS2, when some MSC needs to insertWhen user face data is to MS1, BSS1 is sent messages to as MSC2 sends messages to MSC1, then by MSC1, notice BSS1 stop fromLink-local receives user face data, is changed to receive user face data from MGW1.Meanwhile MSC2 sends messages to MSC3, then byMSC3 sends messages to BSS2, and notice BSS2 sends the user face data received from MS2 to MGW3.
BSS1 is transmitted to MS1 after MSC1 message is received, by the user face data received from MGW1, and replys confirmation messageTo MSC1.
BSS2 is transmitted to MGW3 after MSC3 message is received, by the user face data received from MS2, and replys confirmation messageTo MSC3.
MSC1 and MSC3 sends confirmation message to MSC2 after BSS1 and BSS2 confirmation message is received
For MSC2 after MSC1 and MSC2 confirmation message is received, notice MGW2 can send the user plane number for needing to insertAccording to detailed process is as shown in Figure 8.
As shown in figure 9, be the signaling process figure two in gsm system of the present invention between MSC and BSS1/BSS2, the flow bagInclude：
Step 901, MSC2 send message informing MSC1；
Step 902, MSC 2 send message informing MSC3；
The requirement of above-mentioned steps 901 and step 902 without order priority.
Step 903, MSC1 send messages to BSS1 after MSC2 message is received；
Step 904, MSC3 send messages to BSS2 after MSC2 message is received；
Step 905, BSS1 reply confirmation message to MSC1；
Step 906, BSS2 reply confirmation message to MSC3；
Step 907, MSC1 reply confirmation message to MSC2 upon receipt of the confirmation message；
Step 908, MSC3 reply confirmation message to MSC2 upon receipt of the confirmation message.
MSC2 sends the user for needing to insert after the confirmation message that MSC1 and MSC3 is replied is received, by MGW2 to MGW1Face data.
The transmission method of above-mentioned user face data, after using local exchange function, CN can be still allowed to send user planeData are to MS, so that the use of value-added service function is unaffected.
As shown in Figure 10, it is the structural representation of BSS embodiments of the present invention, it is applied to the shifting using local exchange functionIn dynamic communication system, the BSS includes the first BSS101 and the 2nd BSS102, wherein：
First BSS, after receiving the message from core net (CN), the user face data received from the CN is sent outThe first mobile terminal (MS) being connected with the first BSS is given, and the first confirmation message is returned to the CN；
2nd BSS, after receive the message from the CN, it will receive from being connected with the 2nd BSS2nd MS user face data is sent to the CN, and returns to the second confirmation message to the CN.
Wherein, the first BSS, is specifically used for：, will be from media after receiving the message from mobile switching centre (MSC)The user face data that gateway (MGW) receives is sent to the first MS, and returns to the first confirmation message to the MSC；It is described2nd BSS, is specifically used for：After receiving the message from the MSC, the user face data from the 2nd MS that will receiveSend to the MGW, and the second confirmation message is returned to the MSC；Or the first BSS, it is specifically used for：Described firstAfter BSS receives the message from the first MSC, the user face data received from the first MGW is sent to the first MS, and toFirst MSC returns to the first confirmation message；Wherein, the user face data is that the 3rd MSC is receiving the first MSC transmissionsFirst confirmation message and the 2nd MSC send second confirmation message after, notify the 3rd MGW to described firstThe user face data that MGW is sent；2nd BSS, is specifically used for：After receiving the message from the 2nd MSC, come what is receivedSent from the user face data of the 2nd MS to the 2nd MGW, and the second confirmation message is returned to the 2nd MSC.
In addition, it is connected with one or more MSC between the first MSC and the 3rd MSC；And/or described secondOne or more MSC are connected between MSC and the 3rd MSC.
Above-mentioned BSS can still allow CN to send user face data to MS after using local exchange function, so that increasingThe use of value business function is unaffected.
As shown in figure 11, it is the structural representation of MSC embodiments of the present invention, applied to the movement using local exchange functionIn communication system, the MSC includes message transmission module 111 and notification module 112, wherein：
Message transmission module, for it is determined that needing to after the first mobile terminal (MS) transmission user face data, Xiang WeisuoThe first MS is stated the first BSS transmission message of service is provided and sends message to the 2nd BSS to communicate with the first BSS；
Notification module, the first confirmation message and described returned for receiving the first BSS according to the messageAfter the second confirmation message that two BSS are returned according to the message, notify to provide the WMG (MGW) of server for the first BSSThe user face data is sent to the first BSS.
Wherein, the message transmission module, is specifically used for：After it is determined that needing to send user face data to the first MS, directlyConnect or send message to for the first BSS by other MSC, and sent directly or by other MSC to the 2nd BSSMessage；The notification module, is specifically used for：Receive the first BSS returns directly or by other MSC first confirms to disappearAfter the second confirmation message that breath and the 2nd BSS are returned, directly notify or notify to provide clothes for the first BSS by other MGWThe MGW of business sends the user face data to the first BSS.
In addition, the embodiment of the present invention additionally provides a kind of CN, applied to the GSM using local exchange functionIn, the CN includes mobile switching centre (MSC) and the WMG (MGW) of structure shown in Figure 11, and MSC and above-mentioned reality in the CNApplying the MSC in example has identical function, and here is omitted.
The above-mentioned MSC and CN including MSC, by after it is determined that needing to send user face data to MS, being provided to for the MSThe BSS of service sends message so that MS can receive the user face data of CN insertions.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by programRelated hardware is completed, and said procedure can be stored in computer-readable recording medium, such as read-only storage, disk or CDDeng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.AccordinglyGround, each module/unit in above-described embodiment can be realized in the form of hardware, can also use the shape of software function moduleFormula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, reference only to preferred embodiment to this hairIt is bright to be described in detail.It will be understood by those within the art that technical scheme can be modifiedOr equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, the claim model in the present invention all should be coveredAmong enclosing.