CN104010381A - Direct communication path establishment method, equipment and system - Google Patents
Direct communication path establishment method, equipment and system Download PDFInfo
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- CN104010381A CN104010381A CN201310058659.8A CN201310058659A CN104010381A CN 104010381 A CN104010381 A CN 104010381A CN 201310058659 A CN201310058659 A CN 201310058659A CN 104010381 A CN104010381 A CN 104010381A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention discloses a direct communication path establishment method, equipment and a system. The method comprises the following steps: after a base station where a calling user resides receives a request message on establishing direct communication between the calling user and a called user, a direct communication user plane path identifier is allocated for the calling user and the called user, and an air interface resource configuration information is allocated for the direct communication path between the calling user and the called user; and the base station where the calling user resides respectively sends the allocated direct communication user plane path identifier and air interface resource configuration information to the calling user and the called user, and the calling user and the called user are indicated to carry out bearer configuration. By the embodiment of the invention, a direct communication path can be established between two adjacent UEs such that user plane data transmission between the adjacent UEs doesn't require participation of a core network and communication delay and network resource occupation are reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, equipment and system of setting up direct communication path.
Background technology
Third generation partner program (The 3rd Generation Partnership Project, two subscriber equipment (User Equipment of definition 3GPP), UE) communication process between: UE1 sends to data the eNB of service, and eNB can be delivered to data equipment of the core network Serving GW and the PGW of service, PGW can route data to according to the routing table of UE1 service PGW and the Serving GW of UE2, the Serving GW of UE2 service is delivered to data the eNB of UE2 service, then passes to UE2 by eNB.Shown in Fig. 1, be Serving GW when UE1 and UE2 service scene when identical with PGW, under this scene, do not need the PGW of UE1 service to route data to the process into the PGW of UE2 service.
Even if the position between two UE of communication is very near, communication data also needs eNB, the core net by serving separately could arrive opposite end, and communication delay is large, and takies Internet resources.Therefore 3GPP is studying about the communication technology between nearby device, when even communicating pair distance is very near, can realize direct communication between two UE.
At present, for how being two UE, setting up direct communication path, also there is no solution.
Summary of the invention
The object of this invention is to provide a kind of method, equipment and system of setting up direct communication path, to solve
The object of the invention is to be achieved through the following technical solutions:
A method of setting up direct communication path, comprising:
The resident base station of calling subscriber receives to be set up between described calling subscriber and called subscriber after the request message of direct communication, for described calling subscriber and described called subscriber distribute direct communication user plane path sign, and it be the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber;
The resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber and described called subscriber respectively, and indicates described calling subscriber and described called subscriber to carry configuration.
A base station, comprising:
Direct communication request message receiver module, for being received in the request message of setting up direct communication between calling subscriber and called subscriber, described calling subscriber resides in this base station;
Resource distribution module, is used to described calling subscriber and described called subscriber to distribute direct communication user plane path sign, and is the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber;
Carrying configuration indicating module, for sending direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber and described called subscriber respectively, and indicates described calling subscriber and described called subscriber to carry configuration.
A system of setting up direct communication path, comprising:
The base station that calling subscriber, called subscriber and calling subscriber are resident;
The resident base station of described calling subscriber is used for, receive and between described calling subscriber and called subscriber, setting up after the request message of direct communication, for described calling subscriber and described called subscriber distribute direct communication user plane path sign, and it be the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber; To described calling subscriber and described called subscriber, send direct communication user plane path sign and the interface-free resources configuration information of distribution respectively, and indicate described calling subscriber and described called subscriber to carry configuration;
Described calling subscriber and called subscriber are respectively used to, according to the indication of the resident base station of described calling subscriber, by the direct communication user plane path sign preservation associated with interface-free resources configuration information receiving, and according to described direct communication user plane path, identify associated interface-free resources configuration information and carry out transfer of data.
By the embodiment of the present invention, can realize the participation that the user plane data transfer making in the path of setting up direct communication between two adjacent UE between contiguous UE does not need core net, reduced communication delay and taking Internet resources.
Accompanying drawing explanation
Fig. 1 is the network scenarios schematic diagram of communicating by letter between adjacent UE in prior art;
The method flow diagram that Fig. 2 provides for the embodiment of the present invention;
The first method signaling diagram that Fig. 3 provides for the embodiment of the present invention;
The second method signaling diagram that Fig. 4 provides for the embodiment of the present invention;
The third method signaling diagram that Fig. 5 provides for the embodiment of the present invention;
The architecture of base station schematic diagram that Fig. 6 provides for the embodiment of the present invention;
The system configuration schematic diagram that Fig. 7 provides for the embodiment of the present invention.
Embodiment
The invention provides a kind of solution of setting up direct communication path between two adjacent UE.Wherein, the resident eNB of calling subscriber receives and between calling subscriber and called subscriber, is setting up after the request message of direct communication, for calling subscriber and called subscriber distribute direct communication user plane path sign, and it be the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber; Then to calling subscriber and called subscriber, send direct communication user plane path sign and the interface-free resources configuration information of distribution respectively, and indicate calling subscriber and called subscriber to carry configuration.By the embodiment of the present invention, can realize the participation that the user plane data transfer making in the path of setting up direct communication between two adjacent UE between contiguous UE does not need core net, reduced communication delay and taking Internet resources.
Wherein, the direct communication user plane path sign of distributing to calling subscriber and called subscriber can be identical, also can be different.Preferably, for calling subscriber and called subscriber distribute identical direct communication user face sign.In the embodiment of the present invention, direct communication user plane path sign can be bearing identification (Identity, ID), can be also definition for identifying through path ID of adjacent communication etc.
Wherein, distribute to the interface-free resources assignment information of the direct communication path between calling subscriber and called subscriber, it comprises physical layer transfer resource configuration, can but be not limited only to comprise: the running time-frequency resource information that transfer of data is used, transport block size information, modulation coding mode information etc.According to transmission demand, this interface-free resources configuration information can also comprise media interviews and control (Media Access Control, MAC) configuration information of layer, PDCP (Packet Data Convergence Protocol, PDCP) layer configuration information etc.
In the embodiment of the present invention, interface-free resources assignment information can comprise two parts, and a part is for calling subscriber, to send the interface-free resources assignment information of data allocations, and another part is for called subscriber, to send the interface-free resources assignment information of data allocations.
The technical scheme embodiment of the present invention being provided below in conjunction with accompanying drawing is elaborated.
The method of setting up direct communication path first from the resident eNB side of calling subscriber, the embodiment of the present invention being provided describes.The method as shown in Figure 2, specifically comprises following operation:
Step 100, the resident eNB of calling subscriber receive and between calling subscriber and called subscriber, are setting up after the request message of direct communication, for calling subscriber and called subscriber distribute direct communication user plane path sign, and it be the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber.
Wherein, between calling subscriber and called subscriber, set up direct communication request message can but to be not limited only to be calling subscriber's Mobility Management Entity (Mobility Management Entity, MME) sending, can be also that other service nodes of calling subscriber are being determined and need to after setting up direct communication between calling subscriber and called subscriber, sent.
Step 110, the resident eNB of this calling subscriber send direct communication user plane path sign and the interface-free resources configuration information of distribution to calling subscriber and called subscriber respectively, and indicate calling subscriber and called subscriber to carry configuration.
Preferably, in above-mentioned request message, carry described called subscriber's positional information and described called subscriber's temporary mark information.
In the embodiment of the present invention, called subscriber's positional information can but to be not limited only to be following arbitrary information or combination in any: the Cell ID of current persistent district (Cell), the eNB ID of current resident eNB, place latitude and longitude information.Called subscriber's temporary mark information can but to be not limited only to be following arbitrary information or its combination: called subscriber's global unique temporary identity (GUTI) information, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell-Radio Network Temporary Identify, C-RNTI) information.
Whether the resident eNB of calling subscriber can also set up response to the transmitting terminal feedback direct communication path of request message, to indicate the direct communication path between calling subscriber and called subscriber to be successfully established.Preferably, the resident eNB of this calling subscriber, after receiving the carrying configuration response message of calling subscriber and called subscriber's feedback, sets up response message to the transmitting terminal feedback direct communication path of above-mentioned request message.If the carrying configuration response message receiving indication calling subscriber and called subscriber all complete carrying configuration, by direct communication path, setting up response message indication direct communication path is successfully established, otherwise, by direct communication path, set up response message indication direct communication path and set up unsuccessfully.
Certainly, except the carrying configuration response message by receiving judges that whether user plane bearer configuration is successful, can also realize by other means.For example, do not receive in the given time the response message of UE, think that UE completes the configuration of (or not completing) user plane bearer.
On above-mentioned arbitrary embodiment basis, preferably, the resident eNB of calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to calling subscriber, and the implementation of indicating this calling subscriber to carry configuration can be: the Radio Resource of initiating carrying configuration to this calling subscriber is controlled (Radio Resource Control, RRC) process is carried the direct communication user plane path sign and the interface-free resources configuration information that into this calling subscriber, distribute in RRC message.Specific implementation from RRC process to calling subscriber that initiate can, with reference to existing RRC process, repeat no more here.
In above-mentioned arbitrary embodiment, the resident eNB of calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to called subscriber, and the specific implementation of indicating described called subscriber to carry configuration can, according to the difference of application scenarios, have different implementations.Specific as follows:
(1) if calling subscriber and called subscriber reside in same eNB.So, the resident eNB of calling subscriber, according to the called subscriber's who carries in above-mentioned request message positional information, determines that called subscriber resides in this eNB; To this called subscriber, send the RRC process of carrying configuration, in RRC message, carry the direct communication user plane path sign and the interface-free resources configuration information that into this called subscriber, distribute.Specific implementation from RRC process to calling subscriber that initiate can, with reference to existing RRC process, repeat no more here.
Definite called subscriber, reside in after this eNB, the resident eNB of calling subscriber, also according to the called subscriber's who carries in above-mentioned request message temporary mark information, obtains this called subscriber's contextual information.
Further, also the direct communication user plane path sign of distributing for called subscriber and interface-free resources configuration information are preserved as this called subscriber's contextual information.
(2), if calling subscriber and called subscriber reside in different eNB, between these two eNB, can use the signaling message of X2 interface transmission based on UE.So, the resident eNB of calling subscriber, according to the called subscriber's who carries in above-mentioned request message positional information, determines the eNB that this called subscriber is resident; By the resident eNB of this called subscriber, to this called subscriber, send the RRC message of indication carrying configuration, in this RRC message, carry the direct communication user plane path sign and the interface-free resources configuration information that into this called subscriber, distribute.
After determining the resident eNB of called subscriber, the resident eNB of calling subscriber also sends to the resident eNB of called subscriber by the called subscriber's who carries in above-mentioned request message temporary mark information.Concrete, both can in same message, send called subscriber's temporary mark information, the direct communication user plane path distributing for called subscriber identifies and above-mentioned interface-free resources configuration information, also can send separately called subscriber's temporary mark information.
The scene of implementation (two) mostly occurs and resides in the scene between the adjacent base station under same Mobility Management Entity pond (MME pool) calling subscriber and called subscriber.Now calling subscriber and called subscriber can be registered in same MME, also can be registered in different MME, on not impact of the present invention.
(3) if calling subscriber and called subscriber reside in different eNB, but there is no X2 interface between these two eNB, or cannot use the signaling message of X2 interface transmission based on UE.So, the resident eNB of calling subscriber, according to the called subscriber's who carries in above-mentioned request message positional information, determines the eNB that this called subscriber is resident; By this calling subscriber's MME, this called subscriber's MME and the resident eNB of this called subscriber, to this called subscriber, send the RRC message of indication carrying configuration, in this RRC message, carry the direct communication user plane path sign and the interface-free resources configuration information that into this called subscriber, distribute.
The scene of implementation (three) boundary position in two MME pool at two UE that mostly occurs.Now the eNB between different MME pool does not dispose X2 interface.Even there is X2 interface between two adjacent eNB of different MME pool, can not be for transmitting the signaling based on UE.
It should be pointed out that (three) plants implementation and be not only applicable to not have between two eNB X2 interface or cannot use the signaling message of X2 interface transmission based on UE.Also be applicable to (two) scene of planting described in implementation.
The concrete application scenarios of take is below example, and the method that the embodiment of the present invention is provided is elaborated.
UE1 is initiated to the conversation procedure of UE2, and UE1 is calling subscriber, and UE2 is called subscriber.Application layer is issued a certain server or a certain service module function by the application layer message of UE1 and UE2, the mapping relations of the sign of UE in the application layer sign of having preserved UE in this server or service module function and network.In network, the sign of UE can be international mobile subscriber identity (the International Mobile Subscriber Identification Number of UE, IMSI) information, International Mobile Equipment Identity code (International Mobile Equipemnt Identity, IMEI) information, mobile subscriber number (Mobile Subscriber International ISDN, or in network, be other identification information of the new definition of UE MSISDN).
It is the temporary mark information that UE2 distributes that this server or service module function obtain positional information and third generation partner program (The 3rd Generation Partnership Project, the 3GPP) network of UE2 in network.3GPP network is the GUTI information that the temporary mark information of UE distribution refers to UE, C-RNTI information, or the combination of these two information.
This server or service module function are the MME that temporary mark information that UE2 distributes sends to UE1 current service by the positional information of the UE2 obtaining and 3GPP network, referred to herein as MME1, if meet the condition of adjacent communication, MME1 is to the resident eNB(eNB1 of UE1) be sent in the request message of setting up direct communication between UE1 and UE2.Concrete direct communication path process of establishing comprises following operation:
Step 200, MME1 send the request message of setting up direct communication to eNB1, carry the identification information of UE1, the temporary mark information of UE2 and the positional information of UE2 in this request message.
Step 210, eNB1 are that the direct transmission path between these two UE distributes interface-free resources configuration information, are UE1 and UE2 distribution direct communication user plane path sign.
It should be pointed out that between above-mentioned steps 210 and step 220 and there is no strict sequential relationship, with specific implementation, be as the criterion.
Step 220, eNB1 send carrying reallocation message to UE1, and this carrying reallocation message is used to indicate UE1 and carries configuration.
Wherein, send to the direct communication user plane path sign that comprises above-mentioned interface-free resources configuration information in the carrying reallocation message of UE1 and distribute for UE1.
Concrete, can initiate the RRC process that carrying configures, corresponding, carrying reallocation message is the RRC message that indication carrying configures.
Step 230, UE1 identify preservation associated with interface-free resources configuration information by the direct communication user plane path receiving, and return to carrying configuration response message to eNB1.
UE1 can identify in the indicated interface-free resources of associated interface-free resources configuration information and carry out direct communication at corresponding direct communication user plane path.Concrete, while carrying out transfer of data, according to direct communication user plane path, identify associated interface-free resources configuration information and select modulation coding mode, set transmission block size, on the running time-frequency resource of appointment, receive/send data.
Step 240, eNB1 determine according to the positional information of UE2 the eNB that UE2 is resident, if UE2 resides in eNB1, execution step 250, if UE2 resides in other eNB(eNB2), execution step 280.
Step 250, eNB1 send carrying reallocation message to UE2, and this carrying reallocation message is used to indicate UE2 and carries configuration, execution step 260.
Wherein, send to the direct communication user plane path sign that comprises above-mentioned interface-free resources configuration information in the carrying reallocation message of UE2 and distribute for UE2.
Concrete, can initiate the RRC process that carrying configures, corresponding, carrying reallocation message is the RRC message that indication carrying configures.
Step 260, eNB1, according to the contextual information of the temporary mark acquisition of information UE2 of UE2, perform step 270.
Further, also the direct communication user plane path sign of distributing for UE2 and interface-free resources configuration information are preserved as the contextual information of UE2.
It should be pointed out that between above-mentioned steps 250 and step 260 and there is no strict sequential relationship, with specific implementation, be as the criterion.
Step 270, UE2 identify preservation associated with interface-free resources configuration information by the direct communication user plane path receiving, and return to carrying configuration response message to eNB1.
Between step 280, eNB1 judgement and eNB2, whether there is the X2 interface that can transmit the signaling based on UE, if had, execution step 290, otherwise, execution step 2130.
Step 290, eNB1 by and eNB2 between X2 interface, carrying reallocation message is encapsulated as to X2 interface message and sends to eNB2, in this X2 interface message, also carry the temporary mark information of UE2, execution step 2100.
Wherein, the direct communication user plane path sign that comprises above-mentioned interface-free resources configuration information in this carrying reallocation message and distribute for UE2.
Concrete, this carrying reallocation message is the RRC message of indication carrying configuration.
Step 2100, eNB2, according to the temporary mark information of the UE2 carrying in X2 interface message, obtain the contextual information of this UE2, execution step 2110.
Further, the direct communication user plane path sign that eNB2 distributes using the interface-free resources configuration information carrying in X2 interface message with for UE2 is preserved as the contextual information of UE2.
Step 2110, eNB2 send to UE2 by the carrying reallocation message being encapsulated in X2 interface message, execution step 2120.
It should be pointed out that between above-mentioned steps 2100 and step 2110 and there is no strict sequential relationship, with specific implementation, be as the criterion.
Step 2120, UE2 identify preservation associated with interface-free resources configuration information by the direct communication user plane path receiving, and to eNB1, return to carrying configuration response message by eNB2.
UE2 can identify in the indicated interface-free resources of associated interface-free resources configuration information and carry out direct communication at corresponding direct communication user plane path.Concrete, while carrying out transfer of data, according to direct communication user plane path, identify associated interface-free resources configuration information and select modulation coding mode, set transmission block size, on the running time-frequency resource of appointment, receive/send data.
Step 2130, eNB1 send direct communication to MME1 and set up message, carry the carrying reallocation message for UE2 in this message, and this carrying reallocation message is used to indicate UE2 and carries configuration, execution step 2140.
Wherein, the direct communication user plane path sign that comprises above-mentioned interface-free resources configuration information in the carrying reallocation message for UE2 and distribute for UE2.
Concrete, carrying reallocation message is the RRC message of indication carrying configuration.
Step 2140, MME1 determine the MME(MME2 of the current registration of UE2 according to the temporary mark information (being specially GUTI) of UE2), and set up message to MME2 transmission direct communication, in this message, carry carrying reallocation message, the positional information of UE2 and the temporary mark information of UE2 for UE2, execution step 2150.
Step 2150, MME2, according to the positional information of the UE2 carrying in message, find the resident eNB2 of UE2, send for the carrying reallocation message of UE2 and the temporary mark information of UE2 execution step 2160 to eNB2.
Step 2160, eNB2 be according to the contextual information of the temporary mark acquisition of information UE2 of UE2, and the carrying reallocation message of receiving is sent to UE2, execution step 2170.
Further, eNB2 preserves the direct communication user plane path sign of distributing for UE2 and above-mentioned interface-free resources configuration information as the contextual information of UE2.
Step 2170, UE2 identify preservation associated with interface-free resources configuration information by the direct communication user plane path receiving, and to eNB1, return to carrying configuration response message by eNB2, MME2 and MME1.
UE2 can identify in the indicated interface-free resources of associated interface-free resources configuration information and carry out direct communication at corresponding direct communication user plane path.Concrete, while carrying out transfer of data, according to direct communication user plane path, identify associated interface-free resources configuration information and select modulation coding mode, set transmission block size, on the running time-frequency resource of appointment, receive/send data.
Step 2180, eNB1 return to direct communication path to MME1 and set up response message after the carrying configuration response message of having received UE1 and UE2 feedback, and indication direct communication process has been set up.
By above-mentioned processing procedure, UE1 can identify in the indicated interface-free resources of associated interface-free resources configuration information and carry out direct communication at corresponding direct communication user plane path with UE2.Concrete, while carrying out transfer of data, according to direct communication user plane path, identify associated interface-free resources configuration information and select modulation coding mode, set transmission block size, on the running time-frequency resource of appointment, receive/send data.
It should be noted that, reciprocal process (step 240 ~ step 270 between reciprocal process between eNB1 and UE1 (step 210 ~ step 230), eNB1 and UE2, or step 240, step 280 ~ step 2110, or step 240, step 2120 ~ step 2180), these two independently do not have strict sequential relationship, with specific implementation, are as the criterion between reciprocal process.
In above-mentioned processing procedure, the Signalling exchange that UE1 and UE2 all reside in eNB1 as shown in Figure 3.UE1 resides in eNB1, UE2 resides in eNB2, between eNB1 and eNB2, can pass through the signaling of the mutual UE of X2 interface, and corresponding Signalling exchange as shown in Figure 4.UE1 resides in eNB1, UE2 resides in eNB2, between eNB1 and eNB2, can not pass through the signaling of the mutual UE of X2 interface, and corresponding Signalling exchange as shown in Figure 5.
Inventive concept based on identical with method, the embodiment of the present invention also provides a kind of base station, its structure as shown in the figure 6, specific implementation structure is as follows:
Direct communication request message receiver module 601, for being received in the request message of setting up direct communication between calling subscriber and called subscriber, described calling subscriber resides in this base station;
Resource distribution module 602, is used to described calling subscriber and described called subscriber to distribute direct communication user plane path sign, and is the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber;
Carrying configuration indicating module 603, for sending direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber and described called subscriber respectively, and indicates described calling subscriber and described called subscriber to carry configuration.
Preferably, in above-mentioned request message, carry called subscriber's temporary mark information and called subscriber's positional information.
Preferably, the base station that the embodiment of the present invention provides also comprises response processing module, for:
After receiving the carrying configuration response message of described calling subscriber and described called subscriber feedback, to the transmitting terminal feedback direct communication path of described request message, set up response message.
On embodiment basis, above-mentioned arbitrary base station, described carrying configuration indicating module 603 specifically for:
To described calling subscriber, initiate the Radio Resource control procedure of carrying configuration, in radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described calling subscriber, distribute.
On embodiment basis, above-mentioned arbitrary base station, carrying configuration indicating module 603 sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicate described called subscriber to carry configuration, according to different application scenarioss, there is different implementations, exemplify wherein several below:
(1) described carrying configuration indicating module 603 specifically for:
According to the described called subscriber's who carries in described request message positional information, determine that described called subscriber resides in this base station;
To described called subscriber, send the Radio Resource control procedure of carrying configuration, in radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
Definite described called subscriber, reside in behind this base station, described carrying configuration indicating module 603 also for:
According to the described called subscriber's who carries in described request message temporary mark information, obtain described called subscriber's contextual information.
(2) described carrying configuration indicating module 603 specifically for:
According to the described called subscriber's who carries in described request message positional information, determine the base station that described called subscriber is resident;
By the resident base station of described called subscriber, to described called subscriber, send the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
After determining the resident base station of described called subscriber, described carrying configuration indicating module also for:
The described called subscriber's who carries in described request message temporary mark information is sent to the resident base station of described called subscriber.
(3) described carrying configuration indicating module 603 specifically for:
According to the described called subscriber's who carries in described request message positional information, determine the base station that described called subscriber is resident;
By described calling subscriber's Mobility Management Entity, described called subscriber's Mobility Management Entity and the resident base station of described called subscriber, to described called subscriber, send the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute.
Inventive concept based on same with method, the embodiment of the present invention also provides a kind of system of setting up direct communication path, and its structure as shown in Figure 7, comprising: the base station 703 that calling subscriber 701, called subscriber 702 and calling subscriber are resident;
The resident base station 703 of described calling subscriber for, receive between described calling subscriber 701 and called subscriber 702 and set up after the request message of direct communication, for described calling subscriber 701 and described called subscriber 702 distribution direct communication user plane path signs, and it is the direct communication path distribution interface-free resources configuration information between calling subscriber 701 and called subscriber 702; To described calling subscriber 701 and described called subscriber 702, send direct communication user plane path sign and the interface-free resources configuration information distributing respectively, and indicate described calling subscriber 701 and described called subscriber 702 to carry configuration;
Described calling subscriber 701 and called subscriber 702 are respectively used to, according to the indication of the resident base station 703 of described calling subscriber, by the direct communication user plane path sign preservation associated with interface-free resources configuration information receiving, and according to described direct communication user plane path, identify associated interface-free resources configuration information and carry out transfer of data.
Preferably, in above-mentioned request message, carry called subscriber's temporary mark information and called subscriber's positional information.
Preferably, described calling subscriber 701 and described called subscriber 702 are also for, 703 feedback carrying configuration response message to the resident base station of described calling subscriber;
The resident base station 703 of described calling subscriber also for, after receiving the carrying configuration response message of described calling subscriber 701 and described called subscriber 702 feedbacks, to the transmitting terminal feedback direct communication path of described request message, set up response message.
On above-mentioned arbitrary system embodiment basis, preferably, the resident base station 703 of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information distributing to described calling subscriber 701, and indicates described calling subscriber 701 to carry configuration, comprising:
Described calling subscriber initiates the Radio Resource control procedure of carrying configuration in resident base station 703 to described calling subscriber 701, carry the direct communication user plane path sign and the interface-free resources configuration information that into described calling subscriber 701, distribute in radio resource control information.
On above-mentioned arbitrary system embodiment basis, the resident base station 703 of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information distributing to described called subscriber 702, and indicate described called subscriber 702 to carry configuration, according to different application scenarioss, there is different implementations.Exemplify wherein several below:
(1)
According to the described called subscriber's 702 who carries in described request message positional information, determine that described called subscriber resides in this base station;
To described called subscriber 702, send the Radio Resource control procedure of carrying configuration, in radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber 702, distribute;
Definite described called subscriber, reside in behind this base station, the resident base station of described calling subscriber also for:
According to the described called subscriber's who carries in described request message temporary mark information, obtain described called subscriber's contextual information.
(2)
(two), plant in implementation, the system that the embodiment of the present invention provides also comprises the base station that described called subscriber is resident;
The resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information distributing to described called subscriber 702, and indicate described called subscriber 702 to carry configuration, comprise: according to the described called subscriber's 702 who carries in described request message positional information, determine the base station that described called subscriber is resident, the base station resident to described called subscriber sends X2 interface message, in described X2 interface message, carry the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber 702, distribute,
After determining the resident base station of described called subscriber, the resident base station of described calling subscriber also for:
The described called subscriber's who carries in described request message temporary mark information exchange is crossed to described X2 interface message and send to the resident base station of described called subscriber;
The resident base station of described called subscriber is used for, receive described X2 interface message, according to described called subscriber's temporary mark information, obtain described called subscriber's contextual information, and the radio resource control information of the indication carrying configuration of wherein carrying is sent to described called subscriber 702.
(3)
(three), plant in implementation, the system that the embodiment of the present invention provides also comprises described calling subscriber's Mobility Management Entity, described called subscriber's Mobility Management Entity and the resident base station of described called subscriber;
The resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information distributing to described called subscriber 702, and indicate described called subscriber 702 to carry configuration, comprise: according to the described called subscriber's 702 who carries in described request message positional information, determine the base station that described called subscriber is resident; To described calling subscriber's Mobility Management Entity, send the message of the radio resource control information that comprises indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber 702, distribute;
Described calling subscriber's Mobility Management Entity is used for, search described called subscriber's Mobility Management Entity, to described called subscriber's Mobility Management Entity, send the message of the radio resource control information, described called subscriber's temporary mark information and described called subscriber's the temporary mark information that comprise indication carrying configuration;
Described called subscriber's Mobility Management Entity is used for, according to described called subscriber's positional information, determine the base station that described called subscriber is resident, to the resident base station of described called subscriber, send and comprise the message that the radio resource control information of configuration and described called subscriber's temporary mark information are carried in indication;
The resident base station of described called subscriber is used for, and to according to the contextual information of called subscriber described in described called subscriber's temporary mark acquisition of information, and described called subscriber 702 sends the radio resource control information of indication carrying configuration.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (21)
1. a method of setting up direct communication path, is characterized in that, comprising:
The resident base station of calling subscriber receives to be set up between described calling subscriber and called subscriber after the request message of direct communication, for described calling subscriber and described called subscriber distribute direct communication user plane path sign, and it be the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber;
The resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber and described called subscriber respectively, and indicates described calling subscriber and described called subscriber to carry configuration.
2. method according to claim 1, is characterized in that, carries described called subscriber's positional information and described called subscriber's temporary mark information in described request message.
3. method according to claim 2, is characterized in that, the method also comprises:
Response message, after receiving the carrying configuration response message of described calling subscriber and described called subscriber feedback, is set up to the transmitting terminal feedback direct communication path of described request message in the resident base station of described calling subscriber.
4. according to the method described in claim 1 ~ 3 any one, it is characterized in that, the resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber, and indicates described calling subscriber to carry configuration, comprising:
Described calling subscriber initiates the Radio Resource control procedure of carrying configuration in resident base station to described calling subscriber, carry the direct communication user plane path sign and the described interface-free resources configuration information that into described calling subscriber, distribute in radio resource control information.
5. method according to claim 4, it is characterized in that, the resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicates described called subscriber to carry configuration, comprising:
The resident base station of described calling subscriber, according to the described called subscriber's who carries in described request message positional information, determines that described called subscriber resides in this base station;
The resident base station of described calling subscriber sends the Radio Resource control procedure of carrying configuration to described called subscriber, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute in radio resource control information;
Definite described called subscriber, reside in behind this base station, the method also comprises:
The resident base station of described calling subscriber, according to the described called subscriber's who carries in described request message temporary mark information, obtains described called subscriber's contextual information.
6. method according to claim 4, it is characterized in that, the resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicates described called subscriber to carry configuration, comprising:
The base station that described called subscriber is resident, according to the described called subscriber's who carries in described request message positional information, is determined in the resident base station of described calling subscriber;
Described calling subscriber passes through the resident base station of described called subscriber in resident base station, to described called subscriber, send the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
After determining the resident base station of described called subscriber, the method also comprises:
The resident base station of described calling subscriber sends to the resident base station of described called subscriber by the described called subscriber's who carries in described request message temporary mark information.
7. method according to claim 4, it is characterized in that, the resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicates described called subscriber to carry configuration, comprising:
The base station that described called subscriber is resident, according to the described called subscriber's who carries in described request message positional information, is determined in the resident base station of described calling subscriber;
Described calling subscriber passes through described calling subscriber's Mobility Management Entity, described called subscriber's Mobility Management Entity and the resident base station of described called subscriber in resident base station, to described called subscriber, send the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute.
8. a base station, is characterized in that, comprising:
Direct communication request message receiver module, for being received in the request message of setting up direct communication between calling subscriber and called subscriber, described calling subscriber resides in this base station;
Resource distribution module, is used to described calling subscriber and described called subscriber to distribute direct communication user plane path sign, and is the direct communication path distribution interface-free resources configuration information between calling subscriber and called subscriber;
Carrying configuration indicating module, for sending direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber and described called subscriber respectively, and indicates described calling subscriber and described called subscriber to carry configuration.
9. base station according to claim 8, is characterized in that, carries described called subscriber's positional information and described called subscriber's temporary mark information in described request message.
10. base station according to claim 9, is characterized in that, also comprises response processing module, for:
After receiving the carrying configuration response message of described calling subscriber and described called subscriber feedback, to the transmitting terminal feedback direct communication path of described request message, set up response message.
Base station described in 11. according to Claim 8 ~ 10 any one, is characterized in that, described carrying configuration indicating module specifically for:
To described calling subscriber, initiate the Radio Resource control procedure of carrying configuration, in radio resource control information, carry the direct communication user plane path sign and the described interface-free resources configuration information that into described calling subscriber, distribute.
12. base stations according to claim 11, is characterized in that, described carrying configuration indicating module specifically for:
According to the described called subscriber's who carries in described request message positional information, determine that described called subscriber resides in this base station;
To described called subscriber, send the Radio Resource control procedure of carrying configuration, in radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
Definite described called subscriber, reside in behind this base station, described carrying configuration indicating module also for:
According to the described called subscriber's who carries in described request message temporary mark information, obtain described called subscriber's contextual information.
13. base stations according to claim 11, is characterized in that, described carrying configuration indicating module specifically for:
According to the described called subscriber's who carries in described request message positional information, determine the base station that described called subscriber is resident;
By the resident base station of described called subscriber, to described called subscriber, send the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
After determining the resident base station of described called subscriber, described carrying configuration indicating module also for:
The described called subscriber's who carries in described request message temporary mark information is sent to the resident base station of described called subscriber.
14. base stations according to claim 11, is characterized in that, described carrying configuration indicating module specifically for:
According to the described called subscriber's who carries in described request message positional information, determine the base station that described called subscriber is resident;
By described calling subscriber's Mobility Management Entity, described called subscriber's Mobility Management Entity and the resident base station of described called subscriber, to described called subscriber, send the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute.
15. 1 kinds of systems of setting up direct communication path, is characterized in that, comprising:
The base station that calling subscriber, called subscriber and calling subscriber are resident;
The resident base station of described calling subscriber is used for, receive and between described calling subscriber and called subscriber, setting up after the request message of direct communication, for described calling subscriber and described called subscriber distribute direct communication user plane path sign, be that the direct communication path between calling subscriber and called subscriber distributes interface-free resources configuration information; To described calling subscriber and described called subscriber, send direct communication user plane path sign and the interface-free resources configuration information of distribution respectively, and indicate described calling subscriber and described called subscriber to carry configuration;
Described calling subscriber and called subscriber are respectively used to, according to the indication of the resident base station of described calling subscriber, by the direct communication user plane path sign preservation associated with interface-free resources configuration information receiving, and according to described direct communication user plane path, identify associated interface-free resources configuration information and carry out transfer of data.
16. systems according to claim 15, is characterized in that, carry described called subscriber's positional information and described called subscriber's temporary mark information in described request message.
17. systems according to claim 16, is characterized in that, described calling subscriber and described called subscriber also for, to the resident base station feedback of described calling subscriber carrying configuration response message;
The resident base station of described calling subscriber also for, after receiving the carrying configuration response message of described calling subscriber and described called subscriber feedback, to the transmitting terminal feedback direct communication path of described request message, set up response message.
18. according to the system described in claim 15 ~ 17 any one, it is characterized in that, the resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described calling subscriber, and indicates described calling subscriber to carry configuration, comprising:
Described calling subscriber initiates the Radio Resource control procedure of carrying configuration in resident base station to described calling subscriber, carry the direct communication user plane path sign and the interface-free resources configuration information that into described calling subscriber, distribute in radio resource control information.
19. systems according to claim 18, it is characterized in that, the resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicates described called subscriber to carry configuration, comprising:
According to the described called subscriber's who carries in described request message positional information, determine that described called subscriber resides in this base station;
To described called subscriber, send the Radio Resource control procedure of carrying configuration, in radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
Definite described called subscriber, reside in behind this base station, the resident base station of described calling subscriber also for:
According to the described called subscriber's who carries in described request message temporary mark information, obtain described called subscriber's contextual information.
20. systems according to claim 18, is characterized in that, also comprise the base station that described called subscriber is resident;
The resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicate described called subscriber to carry configuration, comprise: according to the described called subscriber's who carries in described request message positional information, determine the base station that described called subscriber is resident, the base station resident to described called subscriber sends X2 interface message, in described X2 interface message, carry the radio resource control information of indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute,
After determining the resident base station of described called subscriber, the resident base station of described calling subscriber also for:
The described called subscriber's who carries in described request message temporary mark information exchange is crossed to described X2 interface message and send to the resident base station of described called subscriber;
The resident base station of described called subscriber is used for, receive described X2 interface message, according to described called subscriber's temporary mark information, obtain described called subscriber's contextual information, and the radio resource control information of the indication carrying configuration of wherein carrying is sent to described called subscriber.
21. systems according to claim 18, is characterized in that, also comprise described calling subscriber's Mobility Management Entity, described called subscriber's Mobility Management Entity and the resident base station of described called subscriber;
The resident base station of described calling subscriber sends direct communication user plane path sign and the interface-free resources configuration information of distribution to described called subscriber, and indicate described called subscriber to carry configuration, comprise: according to the described called subscriber's who carries in described request message positional information, determine the base station that described called subscriber is resident; To described calling subscriber's Mobility Management Entity, send the message of the radio resource control information that comprises indication carrying configuration, in described radio resource control information, carry the direct communication user plane path sign and the interface-free resources configuration information that into described called subscriber, distribute;
Described calling subscriber's Mobility Management Entity is used for, search described called subscriber's Mobility Management Entity, to described called subscriber's Mobility Management Entity, send the message of the radio resource control information, described called subscriber's temporary mark information and described called subscriber's the temporary mark information that comprise indication carrying configuration;
Described called subscriber's Mobility Management Entity is used for, according to described called subscriber's positional information, determine the base station that described called subscriber is resident, to the resident base station of described called subscriber, send and comprise the message that the radio resource control information of configuration and described called subscriber's temporary mark information are carried in indication;
The resident base station of described called subscriber is used for, and according to the contextual information of called subscriber described in described called subscriber's temporary mark acquisition of information, and sends to described called subscriber the radio resource control information that indication carrying configures.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310058659.8A CN104010381B (en) | 2013-02-25 | 2013-02-25 | A kind of method, equipment and system for establishing direct communication path |
| PCT/CN2014/071665 WO2014127699A1 (en) | 2013-02-25 | 2014-01-28 | Method, equipment and system for establishing direct communication path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310058659.8A CN104010381B (en) | 2013-02-25 | 2013-02-25 | A kind of method, equipment and system for establishing direct communication path |
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| CN104010381A true CN104010381A (en) | 2014-08-27 |
| CN104010381B CN104010381B (en) | 2018-05-11 |
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| CN201310058659.8A Active CN104010381B (en) | 2013-02-25 | 2013-02-25 | A kind of method, equipment and system for establishing direct communication path |
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| WO (1) | WO2014127699A1 (en) |
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| CN104010381B (en) | 2018-05-11 |
| WO2014127699A1 (en) | 2014-08-28 |
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