CN102780992A - Method and device for realizing local exchange function under base station cloud - Google Patents
Method and device for realizing local exchange function under base station cloud Download PDFInfo
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- CN102780992A CN102780992A CN2012102053447A CN201210205344A CN102780992A CN 102780992 A CN102780992 A CN 102780992A CN 2012102053447 A CN2012102053447 A CN 2012102053447A CN 201210205344 A CN201210205344 A CN 201210205344A CN 102780992 A CN102780992 A CN 102780992A
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Abstract
The invention is applicable to the technical field of communication, and provides a method and a device for realizing a local exchange function under a base station cloud. The method comprises the following steps that a calling MSC (mobile switching center) sends calling base station cloud identification to a called MSC, confirms that the calling MSC and the called MSC are under the coverage of the same base station cloud when the called MSC judges that the calling base station cloud identification is consistent with called base station cloud identification, and decides to start using the local exchange function of the base station cloud; the called MSC notifies the calling MSC to start the local exchange function of the base station cloud; and subsequently, in the establishment stage of user interface carries of the calling MSC and the called MSC, the calling MSC and the called MSC respectively notify a calling BSC (base station controller), a called BSC, calling VBTS (virtual base stations) and called VBTS to start the local exchange function of the base station cloud, so that the calling VBTS and the called VBTS directly establish the user interface carriers of the calling MSC and the called MSC in the base station cloud, so as to realize the local exchange function of the base station cloud. By using the method and the device, under an access network framework of the base station cloud, if the calling MSC and the called MSC are respectively positioned in the coverage ranges of different base stations of the same base station cloud, no matter whether the calling MSC and the called MSC are under the same BSC or the MSC or not, the local exchange function can be realized, so that a transmission bandwidth can be effectively saved.
Description
Technical field
The invention belongs to communication technical field, relate in particular to the implementation method and the device of the local function of exchange under the cloud of a kind of base station.
Background technology
Along with the development of mobile communication technology, the base station accomplished radio frequency unit (Remote Radio Unit, RRU) and Base Band Unit (BaseBand Unit; BBU) separation, the flexible deployment of Access Network has become possibility, at present; Distributed base station BBU occurs and concentrated the application scheme of placing; Realize the evolution of base station to the base station bunch, further, concentrate the centralized baseband pool of formation on the basis of placing at BBU; The base station can be based upon on the baseband pool, makes that the base-band resource between a plurality of base stations can dynamically be shared.The base station that is structured on the above-mentioned centralized baseband pool is called virtual base station (VBTS), and virtual base station is not fixed the base-band resource that uses on the specific baseband server, but passes through the resource of resource allocation server on-demand application base band server.The set of all virtual base stations is called the base station cloud, and in order to let other network elements can discern the base station cloud, all are structured in a virtual base station on the centralized baseband pool all has a public sign, is called base station cloud sign.
Local function of exchange is the transmission switching mechanism system that is applied to mobile communcations system; In traditional mobile communcations system (is example with the gsm system); Communication two party will be conversed; Both sides' speech data must pass through base station (BTS), (Base Station Controller, (Mobile Switching Center MSC) exchanges base station controller BSC) to send to mobile switching centre.And after starting local function of exchange, when communication two party belonged to a BSC or BTS, both sides' speech data can only exchange at BSC or BTS inside, effectively practiced thrift the transmission bandwidth between MSC and the wireless access network.For example, when the calling party of a calling and callee belonged to a BSC, both sides' user plane was not according to the conventional method in the MSC exchange but in the BSC exchange, at this moment both sides still can converse, and have practiced thrift the transmission bandwidth of A interface between BSC and the MSC; And for example, when the calling party of a calling and callee belonged to a BTS, both sides' user plane exchanged at BTS, and at this moment both sides still can converse, and practice thrift the transmission bandwidth of A interface and the transmission bandwidth of the Abis interface between BTS and the BSC.
To sum up; Prior art requires caller and calledly under same BTS or same BSC, can use local function of exchange at GSM; Yet; Under the Access Network framework of base station cloud, if calling subscriber and called subscriber respectively in the different base station coverage under the cloud of same base station, then can't realize local function of exchange.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of implementation method of local function of exchange; Be intended to solve prior art under the Access Network framework of base station cloud; If calling subscriber and called subscriber in the different base station coverage under the cloud of same base station, can't realize the problem of local function of exchange respectively.
To achieve these goals, the embodiment of the invention provides following technical scheme:
The embodiment of the invention is achieved in that the implementation method of the local function of exchange under the cloud of a kind of base station, and said method comprises:
Caller MSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place through caller BSC, and generates the call-index information of current calling;
Caller MSC sends said caller base station cloud sign and call-index information to called MS C; So that called MS C is through called BSC; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place; And when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign, determine current calling to use the local function of exchange of base station cloud, and send and launch local function of exchange information to caller MSC;
Caller MSC receives the local function of exchange information of launching of called MS C transmission, and according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
When caller MS receives the response message of called MS; Caller MSC notice caller BSC and caller VBTS start the local function of exchange of base station cloud; And send said call-index information through caller BSC and give caller VBTS; So that caller VBTS retrieves caller MS and called MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
The embodiment of the invention also provides the implementation method of the local function of exchange under the cloud of a kind of base station, and said method comprises:
Called MS C receives caller base station cloud sign and the call-index information that caller MSC sends;
Called MS C obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC;
When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Called MS C starts the local function of exchange of base station cloud; And send and launch local function of exchange information to caller MSC; So that caller is according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
When called MS when caller MS sends response message; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud; And send call-index information through called BSC and give called VBTS; So that called VBTS retrieves caller MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
The embodiment of the invention also provides the implementation method of the local function of exchange under the cloud of a kind of base station, and said method comprises:
Caller MSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place through caller BSC, and generates the call-index information of current calling;
Caller MSC sends said caller base station cloud sign and call-index information to called MS C;
Called MS C receives caller base station cloud sign and the call-index information that caller MSC sends;
Called MS C obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC;
When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Called MS C starts the local function of exchange of base station cloud; And send and launch local function of exchange information to caller MSC; Caller MSC is according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
When caller MS received the response message of called MS, caller MSC notice caller BSC and caller VBTS started the local function of exchange of base station cloud, and send call-index information through caller BSC and give caller VBTS; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud, and sends call-index information through called BSC and give caller VBTS;
Caller VBTS and called VBTS retrieve caller MS and called MS according to call-index information in the cloud of base station, set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
The embodiment of the invention also provides the implementation method of the local function of exchange under the cloud of a kind of base station, and said method comprises:
MSC is through caller BSC; Obtain the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place; And, obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place, and generate the call-index information of current calling through called BSC;
When MSC judges that said caller base station cloud sign is consistent with said called base station cloud sign, start the local function of exchange of base station cloud;
MSC notice caller BSC, caller VBTS, called BSC, called VBTS start the local function of exchange of base station cloud; And send said call-index information to caller VBTS and called VBTS; So that caller VBTS and called VBTS are according to said call-index information; Retrieve caller MS and called MS, and set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
The embodiment of the invention also provides the implement device of the local function of exchange of a kind of base station cloud, and said device comprises:
Acquiring unit is used for caller MSC through caller BSC, obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and generates the call-index information of current calling;
Transmitting element; Be used for caller MSC and send said caller base station cloud sign and call-index information to called MS C; So that called MS C, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC, and when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Determine current calling to use the local function of exchange of base station cloud, and send and launch local function of exchange information to caller MSC;
Start unit; Be used for the local function of exchange information of launching that caller MSC receives called MS C transmission; And launch local function of exchange information according to said; Start the local function of exchange of base station cloud, and when caller MS received the response message of called MS, caller MSC notice caller BSC and caller VBTS started the local function of exchange of base station cloud;
Said transmitting element; Also be used for caller MSC and send said call-index information to caller VBTS through caller BSC; So that caller VBTS retrieves caller MS and called MS according to call-index information in the cloud of base station; So that caller MS and called MS are set up user plane bearer in the cloud of base station, realize the local function of exchange of base station cloud.
The embodiment of the invention also provides the implement device of the local function of exchange of a kind of base station cloud, and said device comprises:
Receiving element is used for called MS C and receives caller base station cloud sign and the call-index information that caller MSC sends;
Acquiring unit is used for called MS C through called BSC, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place;
Start unit; Be used for when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign, called MS C starts the local function of exchange of base station cloud, and sends and launch local function of exchange information to caller MSC; So that caller is launched local function of exchange information according to said; Start the local function of exchange of base station cloud, and when called MS when caller MS sends response message, called MS C notifies called BSC and called VBTS to start cloud this locality, base station function of exchange;
Transmitting element; Be used for called MS C and send call-index information to called VBTS through called BSC; So that called VBTS retrieves caller MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
The embodiment of the invention also provides the implement device of the local function of exchange of a kind of base station cloud, and said device comprises:
Acquiring unit; Be used for MSC through caller BSC, obtain the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and through called BSC; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place, and generate the call-index information of current calling;
Start unit is used for when MSC judges that said caller base station cloud sign is consistent with said called base station cloud sign, starting the local function of exchange of base station cloud;
Transmitting element; Be used for MSC notice caller BSC, caller VBTS, called BSC, the local function of exchange of called VBTS startup base station cloud; And send said call-index information to caller VBTS and called VBTS, so that caller VBTS and called VBTS retrieve caller MS and called MS according to said call-index information; And set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
The embodiment of the invention compared with prior art; Beneficial effect is: caller MSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place; And generating the call-index information of current calling, called MS C obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC; When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Caller MSC and called MS C start the local function of exchange of base station cloud simultaneously, and caller VBTS and called VBTS set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud; Make under the Access Network framework of base station cloud; If calling subscriber and called subscriber in the different base station coverage under the cloud of same base station, still can realize local function of exchange respectively, effectively practiced thrift transmission bandwidth.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that provides of the embodiment of the invention one;
Fig. 2 is the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that provides of the embodiment of the invention two;
Fig. 3 is the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that provides of the embodiment of the invention three;
Fig. 4 is the flow chart that a realization example of the implementation method of the local function of exchange under the base station cloud that provides of the embodiment of the invention three is realized;
Fig. 5 is the flow chart that another realization example of the implementation method of the local function of exchange under the base station cloud that provides of the embodiment of the invention three is realized;
Fig. 6 is the sketch map of the application scenarios in the base station cloud of calling and called under a BSC that provide of the embodiment of the invention three;
Fig. 7 is the sketch map of the application scenarios among the different B SC of calling and called under a MSC that provide of the embodiment of the invention three;
Fig. 8 is the sketch map of the application scenarios of calling and called under different MS C that provide of the embodiment of the invention three;
Fig. 9 is the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that provides of the embodiment of the invention four;
Figure 10 is the structure chart of the implement device of the local function of exchange under the base station cloud that provides of the embodiment of the invention five;
Figure 11 is the structure chart of the implement device of the local function of exchange under the base station cloud that provides of the embodiment of the invention six;
Figure 12 is the structure chart of the implement device of the local function of exchange under the base station cloud that provides of the embodiment of the invention seven.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Below in conjunction with specific embodiment realization of the present invention is described in detail:
Embodiment one
In the present embodiment; Realize communicating by letter through caller VBTS, caller BSC, caller MSC, called VBTS, called BSC, called MS C between caller MS and the called MS; Wherein, Caller MS belongs to different VBTS, BSC, MSC respectively with called MS, and Fig. 1 shows the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that the embodiment of the invention one provides, and details are as follows:
In S101, caller MSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place through caller BSC, and generates the call-index information of current calling;
In the present embodiment, after caller MS prepared to make a call, S101 can adopt following mode:
After the caller MS in the cloud of base station sets up wireless connections through caller VBTS and caller BSC; Caller MSC receives the configuration data of caller BSC according to caller VBTS; The caller base station cloud of the base station cloud that VBTS belonged at the caller MS place that obtains identifies, and generates the call-index information of current calling.
Concrete: after the caller MS in the cloud of base station sets up wireless connections through caller VBTS and caller BSC; Caller BSC is according to the configuration data of caller VBTS; Obtain the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place; And the said caller base station cloud sign of obtaining is sent to caller MSC, caller MSC receives the caller base station cloud sign at the caller MS place that said BSC sends, and generates the call-index letter of current calling;
Wherein, caller VBTS can identify to caller BSC by active push caller base station cloud, also can initiatively be obtained the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place by caller BSC from caller VBTS.
Wherein, caller MS user initiates the professional request of setting up, and sets up request according to business, and caller BSC passes to caller MSC with the caller base station cloud sign at caller MS place, and then caller BSC representes that to caller MSC caller BSC supports the local function of exchange of base station cloud.
In the present embodiment, after the S101, caller MSC carries out the normal call Business Processing, the routing iinformation of inquiry called MS, and assignment caller MSC response, and according to said response message, caller MSC carries out S102.
In S102; Caller MSC sends said caller base station cloud sign and call-index information to called MS C; So that called MS C, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC, when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Determine current calling to start the local function of exchange of base station cloud, and send and launch local function of exchange information to caller MSC;
In the present embodiment, caller MSC can send call setup request message to called MS C, and in call setup request message, carries said caller base station cloud sign and call-index information.
Wherein, call-index information is used for the unique identification call, for example; In Bearer Independent Call Control Protocol, and the global call reference (Global call reference, GCR) parameter is a call-index information; Be used for calling of unique identification; In SIP-ITU-T, call identification (Call-ID) is a call-index information, is used for calling of unique identification.
In the present embodiment, caller MSC sends said caller base station cloud sign expression caller MSC and supports the local function of exchange of base station cloud.
In the present embodiment, when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign, explain that caller MS and called MS are arranged in same base station cloud.
In the present embodiment, said caller MSC adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send said caller base station cloud sign and call-index information to called MS C; Said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
For the situation that adopts Bearer Independent Call Control Protocol; S102 can send corresponding sign and information in such a way: caller MSC sends initialization address message (Initial Address Message to called MS C; IAM), carry caller base station cloud sign and GCR in the IAM message, wherein; Cloud sign expression caller MSC supports the local function of exchange of base station cloud if caller MSC carries the caller base station, so that let the follow-up decision of called MS C whether launch the local function of exchange of base station cloud of self; The GCR parameter is a call-index information, is used for calling of unique identification; After called MS C receives IAM message; Find to carry " caller base station cloud sign " in the message, expression caller MSC supports and can launch base station cloud local function of exchange, then called MS C paging called MS user; Called BSC obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place; And, cloud sign in called base station is sent to called MS C through page-response message, support the local function of exchange of base station cloud to represent called BSC to called MS C.Whether the called MS C relatively base station cloud at the place of calling and called identifies consistent; If cloud sign in caller base station is consistent with called base station cloud sign, expression calling and called MS possesses the condition of launching the local function of exchange of base station cloud under the cloud of same base station; Then called MS C determines current calling to start the local function of exchange of base station cloud; And (Application Transport Message APM), carries " launching local function of exchange information " in the message to send application transport message to caller MSC.
For the situation that adopts SIP-ITU-T, S102 can send corresponding sign and information in such a way, its implementation procedure and the similar process that adopts Bearer Independent Call Control Protocol, and difference is:
Caller MSC sends INVITE to called MS C; Carry " caller base station cloud sign " and call identification (Call-ID) in the INVITE; Wherein, " caller base station cloud sign " expression caller MSC supports the local function of exchange of base station cloud, so that let the follow-up decision of called MS C whether launch the local function of exchange of base station cloud of self; " call identification " is call-index information, is used for calling of unique identification; Whether the called MS C relatively base station cloud at the place of calling and called identifies consistent; If cloud sign in caller base station is consistent with called base station cloud sign; Expression calling and called MS possesses the condition of launching the local function of exchange of base station cloud under the cloud of same base station, then called MS C determines current calling to start the local function of exchange of base station cloud; And send 183 session progress (183 Session Progress) response message to caller MSC, carry " launching local function of exchange information " in the message
In S103, caller MSC receives the local function of exchange information of launching of called MS C transmission, and according to said local function of exchange information, the local function of exchange of startup base station cloud of launching.
Concrete, caller MSC can carry the local function of exchange information of launching through receiving the message that called MS C sends in the said message, and caller MSC is according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
In the present embodiment, start local function of exchange when called MS C notifies the current calling of caller MSC, caller MSC continues to handle call flow, receives the ALERTING message that called MS is sent until caller MSC.Caller this moment MSC, called MS C set up caller MS to called MS C user plane bearer, make the calling subscriber can hear called subscriber's ring-back tone.After called MS was replied, called MS C sent called MS user's response message and gives caller MSC, caller MSC notice caller MS user called subscriber's response message, and at this moment, caller MSC and called MS C start local function of exchange respectively.
In S104; When caller MS receives the response message of called MS; Caller MSC notice caller BSC and caller VBTS start the local function of exchange of base station cloud, and send said call-index information through caller BSC and give caller VBTS, so that caller VBTS retrieves caller MS and called MS according to call-index information in the cloud of base station; So that caller MS and called MS are set up user plane bearer in the cloud of base station, realize the local function of exchange of base station cloud.
Wherein, caller MSC notice caller BSC and caller VBTS start the local function of exchange of base station cloud, and send call-index information through caller BSC and give caller VBTS; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud, and sends call-index information through called BSC and give called VBTS; Caller VBTS and called VBTS confirm to need to start local function of exchange like this; And in the cloud of base station, retrieve caller MS and called MS according to call-index information; Set up the user plane bearer between caller MS user and the called MS user; Realize the local function of exchange of base station cloud, caller MS user and called MS user can normal talkings.
In the present embodiment; Caller MSC sends caller base station cloud and identifies to called MS C; When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Confirm caller MS and called MS under the covering of same base station cloud, the local function of exchange of base station cloud is launched in decision, and called MS C notice caller MSC starts the local function of exchange of base station cloud; Follow-up user plane bearer establishment stage in caller MS and called MS; Caller MSC, called MS C notify caller BSC, called BSC and caller VBTS, called VBTS to start the local function of exchange of base station cloud respectively; So that caller VBTS and called VBTS directly set up the user plane bearer of caller MS and called MS in the cloud of base station, realize the local function of exchange of base station cloud.The invention enables under the Access Network framework of base station cloud; If caller MS and called MS are respectively in the different base station coverage under the cloud of same base station; No matter whether caller MS, called MS be under same BSC or MSC; All can realize local function of exchange, thereby effectively practice thrift transmission bandwidth.
Embodiment two
Present embodiment is the implementation method of the local function of exchange under the corresponding base station cloud of the called MS C side corresponding with embodiment one; Fig. 2 shows the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that the embodiment of the invention two provides, and details are as follows:
In S201, called MS C receives caller base station cloud sign and the call-index information that caller MSC sends;
In S202, called MS C obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC;
In the present embodiment, S202 can adopt following mode:
After the called MS in the cloud of base station was set up wireless connections through called VBTS and called BSC, called MS C received the configuration data of called BSC according to called VBTS, the called base station cloud sign of the base station cloud that VBTS belonged at the called MS of obtaining place.
Concrete: after the called MS in the cloud of base station is set up wireless connections through called VBTS and called BSC; Called BSC is according to the configuration data of called VBTS; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place; And the said called base station cloud sign of obtaining is sent to called MS C, called MS C receives the called base station cloud sign at the called MS place that said BSC sends;
Wherein, called VBTS can identify to called BSC by active push base station cloud, also can be by called BSC initiatively from the called called base station cloud sign of obtaining the base station cloud that VBTS belonged at called MS place of called VBTS.
Wherein, called MS C initiates paging request, and through paging request, called BSC passes to called MS C with the called base station cloud sign at called MS place, and then called BSC representes that to called MS C called BSC supports the local function of exchange of base station cloud.
In S203; When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Called MS C starts the local function of exchange of base station cloud; And send and launch local function of exchange information to caller MSC, so that caller is according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
In the present embodiment, said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC, and the description of the S102 among its detailed process and the embodiment one is similar, specifically can consult S102, repeats no more at this.
In S204; When called MS when caller MS sends response message; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud, and sends call-index information through called BSC and give called VBTS, so that called VBTS retrieves caller MS according to call-index information in the cloud of base station; So that caller MS and called MS are set up user plane bearer in the cloud of base station, realize the local function of exchange of base station cloud.
In the present embodiment; Called MS C is through called BSC; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place; When called MS C judged that said caller base station cloud sign is consistent with said called base station cloud sign, called MS C and caller MSC started the local function of exchange of base station cloud, and called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud; Caller VBTS and called VBTS set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.The invention enables under the Access Network framework of base station cloud; If caller MS and called MS are respectively in the different base station coverage under the cloud of same base station; No matter whether caller MS, called MS be under same BSC or MSC; All can realize local function of exchange, thereby effectively practice thrift transmission bandwidth.
Embodiment three
Fig. 3 shows the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that the embodiment of the invention three provides; The implementation method of the local function of exchange under the cloud of above-mentioned base station can be applied in GSM network, UMTS network, cdma network and WCDMA network etc., and details are as follows for said method:
1, caller VBTS in the cloud of base station and caller BSC set up wireless connections;
2, caller BSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place according to the configuration data of caller VBTS;
3, the said caller base station cloud that obtains of caller BSC transmission identifies to caller MSC;
4, caller MSC generates the call-index information of current calling, and sends said caller base station cloud sign and call-index information to called MS C, so that called MS C sends paging request to the called MS user.
5, called MS is returned page response to called BSC, and sets up wireless connections with called BSC;
6, called BSC obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place according to the configuration data of called VBTS;
7, the said called base station cloud that obtains of called BSC transmission identifies to called MS C, for example can send the said called base station cloud that obtains through page-response message and identify to called MS C;
8, called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign;
9, called MS C sends and launches local function of exchange information to caller MSC;
10, when caller MS receives the response message of called MS, called MS C and make MSC start the local function of exchange of base station cloud respectively;
11, caller MSC notice caller BSC and caller VBTS start the local function of exchange of base station cloud, and carry call-index information; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud, and carries call-index information;
12, caller VBTS and called VBTS retrieve caller MS and called MS according to call-index information in the cloud of base station, and set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
In the present embodiment, 4 specifically can (for Bearer Independent Call Control Protocol be GCR for: said caller MSC adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send said caller base station cloud sign and call-index information; For SIP-I is Call-ID) to called MS C; 7 specifically can for: said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.For the ease of understanding, below describe through concrete realization example:
See also the flow chart that a realization example of the implementation method of the local function of exchange under the base station cloud that Fig. 4 provides for the embodiment of the invention three is realized, wherein 4 be specially: said caller MSC adopts Bearer Independent Call Control Protocol to send said caller base station cloud sign and call-index information GCR to called MS C; 7 are specially: said called MS C adopts Bearer Independent Call Control Protocol to send and launches local function of exchange information to caller MSC.Detailed process can be consulted the description of S102, repeats no more at this.
See also the flow chart that Fig. 5 realizes for another realization example of the implementation method of the base station cloud of the embodiment of the invention local function of exchange down, 4 are specially: said caller MSC adopt SIP-ITU-T to send that said caller base station cloud identifies and call-index information Call-ID to called MS C; 7 are specially: said called MS C adopts SIP-ITU-T to send and launches local function of exchange information to caller MSC.Detailed process can be consulted the description of S102, repeats no more at this.
In the embodiment of the invention, caller VBTS and called VBTS set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.Make under the Access Network framework of base station cloud; If caller MS and called MS are respectively in the different base station coverage under the cloud of same base station; No matter whether caller MS, called MS under same BSC or MSC, all can realize local function of exchange, thereby effectively practice thrift transmission bandwidth.For the ease of understanding, below provide the application scenarios of the implementation method of the local function of exchange under several concrete base station clouds:
Scene one: the sketch map that sees also Fig. 6 and be the application scenarios in the base station cloud of calling and called under a BSC that the embodiment of the invention three provides; The local function of exchange of traditional base station cloud can be practiced thrift the transmission bandwidth of BSC to MSC; But can't practice thrift the bandwidth of vBTS to BSC, the implementation method of the local function of exchange in the present embodiment under the cloud of base station then can be practiced thrift the transmission bandwidth of BSC to MSC, vBTS to BSC.
Scene two: the sketch map that sees also Fig. 7 and be the application scenarios among the different B SC of calling and called under a MSC that the embodiment of the invention three provides; For the local function of exchange of traditional base station cloud; Because calling and called are not at same BTS; Also not under same BSC, therefore can not conserve transmission bandwidth, the implementation method of the local function of exchange in the present embodiment under the cloud of base station then can be practiced thrift the transmission bandwidth of BSC to MSC, vBTS to BSC.
Scene three: the sketch map that sees also Fig. 8 and be the application scenarios of calling and called under different MS C that the embodiment of the invention three provides; For the local function of exchange of traditional base station cloud since calling and called not at same BTS; Also not under same BSC; Therefore can not conserve transmission bandwidth, the implementation method of the local function of exchange in the present embodiment under the cloud of base station then can be practiced thrift the transmission bandwidth of BSC to MSC, vBTS to BSC.
Embodiment four
As calling subscriber and called subscriber during at same MSC; Then can omit negotiation between former caller MSC and the called MS C and whether launch the negotiations process of the local function of exchange of base station cloud; Fig. 9 shows the flow chart of realization of the implementation method of the local function of exchange under the base station cloud that the embodiment of the invention four provides, and details are as follows:
1, caller VBTS in the cloud of base station and caller BSC set up wireless connections;
2, caller BSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place according to the configuration data of caller VBTS;
3, the said caller base station cloud that obtains of caller BSC transmission identifies to MSC;
4, MSC generates the call-index information of current calling, and sends paging request to called MS;
5, called MS is returned page response to called BSC, and sets up wireless connections with called BSC;
6, called BSC obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place according to the configuration data of called VBTS;
7, the said called base station cloud that obtains of called BSC transmission identifies to MSC, for example, can in page response, send the said called base station cloud that obtains and identify to MSC;
8, MSC judges that said caller base station cloud sign is consistent with said called base station cloud sign;
9, when caller MS receives the called MS response message, MSC launches the local function of exchange of base station cloud;
10, MSC notice caller BSC, caller VBTS, called BSC, called VBTS start the local function of exchange of base station cloud; And send said call-index information to caller VBTS and called VBTS; So that caller VBTS and called VBTS are according to said call-index information; Retrieve caller MS and called MS, and set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
Embodiment five
Figure 10 shows the structure chart of the implement device of the local function of exchange under the base station cloud that the embodiment of the invention five provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention.
The implement device of the local function of exchange under the cloud of said base station comprises: acquiring unit 101, transmitting element 102 and start unit 103.
Acquiring unit 101 is used for caller MSC through caller BSC, obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and generates the call-index information of current calling;
Transmitting element 102; Be used for caller MSC and send said caller base station cloud sign and call-index information to called MS C; So that called MS C, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC, and when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Determine current calling to use the local function of exchange of base station cloud, and send and launch local function of exchange information to caller MSC;
Said transmitting element 102; Also be used for caller MSC and send said call-index information to caller VBTS through caller BSC; So that caller VBTS retrieves caller MS and called MS according to call-index information in the cloud of base station; So that caller MS and called MS are set up user plane bearer in the cloud of base station, realize the local function of exchange of base station cloud.
Optional; Acquiring unit 101; Specifically be used for after the caller MS of base station cloud sets up wireless connections through caller VBTS and caller BSC; Caller MSC receives the configuration data of caller BSC according to caller VBTS, and the caller base station cloud of the base station cloud that VBTS belonged at the caller MS that obtains place identifies, and generates the call-index information of current calling.
Optional, said caller MSC adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send said caller base station cloud sign and call-index information to called MS C;
Said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
Among the method embodiment one that the implement device of the local function of exchange under the base station cloud that the embodiment of the invention provides can use in aforementioned correspondence, details repeat no more at this referring to the description of the foregoing description one.
Embodiment six
Figure 11 shows the structure chart of the implement device of the local function of exchange under the base station cloud that the embodiment of the invention six provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention.
The implement device of the local function of exchange under the cloud of said base station comprises: receiving element 111, acquiring unit 112, start unit 113 and transmitting element 114.
Receiving element 111 is used for called MS C and receives caller base station cloud sign and the call-index information that caller MSC sends;
Acquiring unit 112 is used for called MS C through called BSC, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place;
Transmitting element 114; Be used for called MS C and send call-index information to called VBTS through called BSC; So that called VBTS retrieves caller MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
Optional; Said acquiring unit 112; Specifically be used for after the called MS of base station cloud is set up wireless connections through called VBTS and called BSC; Called MS C receives the configuration data of called BSC according to called VBTS, the called base station cloud sign of the base station cloud that VBTS belonged at the called MS of obtaining place.
Optional, said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
Among the method embodiment two that the implement device of the local function of exchange under the base station cloud that the embodiment of the invention provides can use in aforementioned correspondence, details repeat no more at this referring to the description of the foregoing description two.
Embodiment seven
Figure 12 shows the structure chart of the implement device of the local function of exchange under the base station cloud that the embodiment of the invention seven provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention.
The implement device of the local function of exchange under the cloud of said base station comprises: acquiring unit 121, start unit 122 and transmitting element 123.
Acquiring unit 121; Be used for MSC through caller BSC, obtain the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and through called BSC; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place, and generate the call-index information of current calling;
Transmitting element 123; Be used for MSC notice caller BSC, caller VBTS, called BSC, the local function of exchange of called VBTS startup base station cloud; And send said call-index information to caller VBTS and called VBTS, so that caller VBTS and called VBTS retrieve caller MS and called MS according to said call-index information; And set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
Among the method embodiment four that the implement device of the local function of exchange under the base station cloud that the embodiment of the invention provides can use in aforementioned correspondence, details repeat no more at this referring to the description of the foregoing description four.
It should be noted that among the said apparatus embodiment that each included unit is just divided according to function logic, but is not limited to above-mentioned division, as long as can realize function corresponding; In addition, the concrete title of each functional unit also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
In addition; One of ordinary skill in the art will appreciate that all or part of step that realizes in above-mentioned each embodiment method is to instruct relevant hardware to accomplish through program; Corresponding program can be stored in the computer read/write memory medium; Described storage medium is like ROM/RAM, disk or CD etc.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the implementation method of the local function of exchange under the base station cloud is characterized in that said method comprises:
Caller MSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place through caller BSC, and generates the call-index information of current calling;
Caller MSC sends said caller base station cloud sign and call-index information to called MS C; So that called MS C is through called BSC; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place; And when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign, determine current calling to use the local function of exchange of base station cloud, and send and launch local function of exchange information to caller MSC;
Caller MSC receives the local function of exchange information of launching of called MS C transmission, and according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
When caller MS receives the response message of called MS; Caller MSC notice caller BSC and caller VBTS start the local function of exchange of base station cloud; And send said call-index information through caller BSC and give caller VBTS; So that caller VBTS retrieves caller MS and called MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
2. the method for claim 1 is characterized in that, said caller MSC is through caller BSC, obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and the call-index information that generates current calling is specially:
After the caller MS in the cloud of base station sets up wireless connections through caller VBTS and caller BSC; Caller MSC receives the configuration data of caller BSC according to caller VBTS; The caller base station cloud of the base station cloud that VBTS belonged at the caller MS place that obtains identifies, and generates the call-index information of current calling.
3. the method for claim 1 is characterized in that, said caller MSC adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send said caller base station cloud sign and call-index information to called MS C;
Said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
4. the implementation method of the local function of exchange under the base station cloud is characterized in that said method comprises:
Called MS C receives caller base station cloud sign and the call-index information that caller MSC sends;
Called MS C obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC;
When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Called MS C starts the local function of exchange of base station cloud; And send and launch local function of exchange information to caller MSC; So that caller is according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
When called MS when caller MS sends response message; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud; And send call-index information through called BSC and give called VBTS; So that called VBTS retrieves caller MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
5. method as claimed in claim 4 is characterized in that, said called MS C is through called BSC, and the called base station cloud sign of obtaining the base station cloud that VBTS belonged at called MS place is specially:
After the called MS in the cloud of base station was set up wireless connections through called VBTS and called BSC, called MS C received the configuration data of called BSC according to called VBTS, the called base station cloud sign of the base station cloud that VBTS belonged at the called MS of obtaining place.
6. method as claimed in claim 4 is characterized in that, said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
7. the implementation method of the local function of exchange under the base station cloud is characterized in that said method comprises:
Caller MSC obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place through caller BSC, and generates the call-index information of current calling;
Caller MSC sends said caller base station cloud sign and call-index information to called MS C;
Called MS C receives caller base station cloud sign and the call-index information that caller MSC sends;
Called MS C obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC;
When called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Called MS C starts the local function of exchange of base station cloud; And send and launch local function of exchange information to caller MSC; Caller MSC is according to said local function of exchange information, the local function of exchange of startup base station cloud of launching;
When caller MS received the response message of called MS, caller MSC notice caller BSC and caller VBTS started the local function of exchange of base station cloud, and send call-index information through caller BSC and give caller VBTS; Called MS C notifies called BSC and called VBTS to start the local function of exchange of base station cloud, and sends call-index information through called BSC and give caller VBTS;
Caller VBTS and called VBTS retrieve caller MS and called MS according to call-index information in the cloud of base station, set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
8. the implementation method of the local function of exchange under the base station cloud is characterized in that said method comprises:
MSC is through caller BSC; Obtain the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place; And, obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place, and generate the call-index information of current calling through called BSC;
When MSC judges that said caller base station cloud sign is consistent with said called base station cloud sign, start the local function of exchange of base station cloud;
MSC notice caller BSC, caller VBTS, called BSC, called VBTS start the local function of exchange of base station cloud; And send said call-index information to caller VBTS and called VBTS; So that caller VBTS and called VBTS are according to said call-index information; Retrieve caller MS and called MS, and set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
9. the implement device of the local function of exchange under the base station cloud is characterized in that said device comprises:
Acquiring unit is used for caller MSC through caller BSC, obtains the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and generates the call-index information of current calling;
Transmitting element; Be used for caller MSC and send said caller base station cloud sign and call-index information to called MS C; So that called MS C, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place through called BSC, and when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign; Determine current calling to use the local function of exchange of base station cloud, and send and launch local function of exchange information to caller MSC;
Start unit; Be used for the local function of exchange information of launching that caller MSC receives called MS C transmission; And launch local function of exchange information according to said; Start the local function of exchange of base station cloud, and when caller MS received the response message of called MS, caller MSC notice caller BSC and caller VBTS started the local function of exchange of base station cloud;
Said transmitting element; Also be used for caller MSC and send said call-index information to caller VBTS through caller BSC; So that caller VBTS retrieves caller MS and called MS according to call-index information in the cloud of base station; So that caller MS and called MS are set up user plane bearer in the cloud of base station, realize the local function of exchange of base station cloud.
10. device as claimed in claim 9; It is characterized in that; Acquiring unit specifically is used for after the caller MS of base station cloud sets up wireless connections through caller VBTS and caller BSC, and caller MSC receives the configuration data of caller BSC according to caller VBTS; The caller base station cloud of the base station cloud that VBTS belonged at the caller MS place that obtains identifies, and generates the call-index information of current calling.
11. device as claimed in claim 9 is characterized in that, said caller MSC adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send said caller base station cloud sign and call-index information to called MS C;
Said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
12. the implement device of the local function of exchange under the base station cloud is characterized in that said device comprises:
Receiving element is used for called MS C and receives caller base station cloud sign and the call-index information that caller MSC sends;
Acquiring unit is used for called MS C through called BSC, obtains the called base station cloud sign of the base station cloud that VBTS belonged at called MS place;
Start unit; Be used for when called MS C judges that said caller base station cloud sign is consistent with said called base station cloud sign, called MS C starts the local function of exchange of base station cloud, and sends and launch local function of exchange information to caller MSC; So that caller is launched local function of exchange information according to said; Start the local function of exchange of base station cloud, and when called MS when caller MS sends response message, called MS C notifies called BSC and called VBTS to start cloud this locality, base station function of exchange;
Transmitting element; Be used for called MS C and send call-index information to called VBTS through called BSC; So that called VBTS retrieves caller MS according to call-index information in the cloud of base station,, realize the local function of exchange of base station cloud so that caller MS and called MS are set up user plane bearer in the cloud of base station.
13. device as claimed in claim 12; It is characterized in that; Said acquiring unit; Specifically be used for after the called MS of base station cloud is set up wireless connections through called VBTS and called BSC, called MS C receives the configuration data of called BSC according to called VBTS, the called base station cloud sign of the base station cloud that VBTS belonged at the called MS of obtaining place.
14. device as claimed in claim 12 is characterized in that, said called MS C adopts Bearer Independent Call Control Protocol or SIP-ITU-T to send and launches local function of exchange information to caller MSC.
15. the implement device of the local function of exchange under the base station cloud is characterized in that said device comprises:
Acquiring unit; Be used for MSC through caller BSC, obtain the caller base station cloud sign of the base station cloud that VBTS belonged at caller MS place, and through called BSC; Obtain the called base station cloud sign of the base station cloud that VBTS belonged at called MS place, and generate the call-index information of current calling;
Start unit is used for when MSC judges that said caller base station cloud sign is consistent with said called base station cloud sign, starting the local function of exchange of base station cloud;
Transmitting element; Be used for MSC notice caller BSC, caller VBTS, called BSC, the local function of exchange of called VBTS startup base station cloud; And send said call-index information to caller VBTS and called VBTS, so that caller VBTS and called VBTS retrieve caller MS and called MS according to said call-index information; And set up the user plane bearer of caller MS and called MS, realize the local function of exchange of base station cloud.
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| EP3278590A4 (en) * | 2015-03-30 | 2019-06-05 | John Mezzalingua Associates LLC | Systems, methods and manufactures for providing network services including mobile services to a location |
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| CN101159905A (en) * | 2007-11-07 | 2008-04-09 | 华为技术有限公司 | Local exchange method, core network equipment and network system of implementing in base station controller |
| CN101902824A (en) * | 2009-05-31 | 2010-12-01 | 华为技术有限公司 | Local switch implementation method, mobile switch centre and communication system |
| EP2416607A1 (en) * | 2009-04-02 | 2012-02-08 | ZTE Corporation | Base station controller (bsc), mobile switching center (msc) and switch method for calling mode |
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| CN101159905A (en) * | 2007-11-07 | 2008-04-09 | 华为技术有限公司 | Local exchange method, core network equipment and network system of implementing in base station controller |
| EP2416607A1 (en) * | 2009-04-02 | 2012-02-08 | ZTE Corporation | Base station controller (bsc), mobile switching center (msc) and switch method for calling mode |
| CN101902824A (en) * | 2009-05-31 | 2010-12-01 | 华为技术有限公司 | Local switch implementation method, mobile switch centre and communication system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3278590A4 (en) * | 2015-03-30 | 2019-06-05 | John Mezzalingua Associates LLC | Systems, methods and manufactures for providing network services including mobile services to a location |
| US11012805B2 (en) | 2015-03-30 | 2021-05-18 | John Mezzalingua Associates, LLC | Systems, methods, and manufactures for providing network services including mobile services to a location |
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