CN104703293A - LIPA/SIPTO connection establishing method and device - Google Patents
LIPA/SIPTO connection establishing method and device Download PDFInfo
- Publication number
- CN104703293A CN104703293A CN201410765171.3A CN201410765171A CN104703293A CN 104703293 A CN104703293 A CN 104703293A CN 201410765171 A CN201410765171 A CN 201410765171A CN 104703293 A CN104703293 A CN 104703293A
- Authority
- CN
- China
- Prior art keywords
- lipa
- sipto
- base station
- terminal
- pdn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/25—Maintenance of established connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
Abstract
The invention discloses an LIPA/SIPTO connection establishing method and device. The LIPA/SIPTO connection establishing method comprises the steps that an MME receives LIPA/SIPTO identification information sent by a base station and obtaining public data network PDN connection corresponding to a terminal, of the base station, when determining that the base station supports an LIPA/SIPTO function according to the LIPA/SIPTO identification information, obtaining subscription information of the terminal corresponding to PDN connection, releasing PDN connection corresponding to the terminal when determining that the terminal supports the LIPA/SIPTO function according to the subscription information and establishing LIPA/SIPTO connection with a local gateway (LGW) if the terminal resends a PDN connecting request after the PDN connection is released. The technical problem that common PDN connection cannot be updated to be LIPA/SIPTO connection in real time is solved by means of the LIPA/SIPTO connection establishing method and device.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of LIPA/SIPTO establishment of connection method and apparatus.
Background technology
Along with the fast development of mobile Internet, new business and being applied in is brought more while rich experience to user, and the increase of number of users and the raising of user data transmission speed all propose requirements at the higher level to the network element performance of core network.LIPA (Local IP Access, local IP access) and SIPTO (Selected IP Traffic Offload, select the unloading of IP flow) technology is propose based on HeNB (Home enhanced NodeB, Home eNodeB) at first.LIPA and SIPTO technology is the enhancing to HeNB function, user data delivery can directly be realized by HeNB completely, without the need to being delivered to the core network of operator again, business is directly shunted away from HeNB, like this while minimizing data delivery lag, decrease load and the transmission cost of core network, operator can by resource maximum using limited for core net, for valuable business provides better service, drastically increase Consumer's Experience.
From the network architecture, LIPA is used for HeNB, and SIPTO can be used for HeNB, also can be used for grand network.From the viewpoint of function and structure, the problem of LIPA with SIPTO@LN (SIPTO over the LocalNetwork) is similar, and the network architecture is also substantially identical.In LIPA and SIPTO@LN interconnection technique, LGW (Local Gateway, local gateway) instead of PGW, LGW and HeNB integrates, the traffic data realizing user directly accesses from H (e) NB, without the PGW (PDN Gateway) of core net.
In existing LIPA/SIPTO technology, if HeNB dynamically increases LIPA/SIPTO ability, after needing to wait until original common PDN Connection Release created, LIPA/SIPTO could be initiated connect, like this, it cannot real-time update be that LIPA/SIPTO connects that the common PDN originally created connects, and LTE (Long Term Evolution, Long Term Evolution) the consistently online characteristic of network, the shunting resource making the carrying of having set up cannot make full use of LIPA to bring.
Summary of the invention
Embodiments provide a kind of LIPA/SIPTO establishment of connection method and apparatus, in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting at least to solve.
According to an aspect of the embodiment of the present invention, provide a kind of LIPA/SIPTO establishment of connection method, comprising:
Mobile management entity MME receives the LIPA/SIPTO identification information that base station sends, and wherein, described LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating described base station;
When determining that according to described LIPA/SIPTO identification information described LIPA/SIPTO function is supported in described base station, the public data network PDN obtaining described base station counterpart terminal connects;
Obtain the CAMEL-Subscription-Information that described PDN connects corresponding terminal, wherein, described CAMEL-Subscription-Information represents that described terminal supports described LIPA/SIPTO function;
When determining that according to described CAMEL-Subscription-Information described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
After the described PDN of release connects, if terminal initiates PDN connection request again, set up LIPA/SIPTO with local gateway LGW and be connected.
Preferably, MME receive described base station send LIPA/SIPO identification information comprise:
Receive the configuration update message that described base station sends, wherein, described configuration update message carries described LIPA/SIPTO identification information; Or,
Receive the evolution RAB ERAB amendment Indication message that described base station sends, wherein, described ERAB revises Indication message and carries described LIPA/SIPTO identification information.
Preferably, the PDN connection discharging described terminal corresponding comprises:
Initiate load bearing deactivation flow process; Or, initiate attachment removal flow process.
Preferably, before the PDN that the described terminal of described release is corresponding connects, also comprise:
The LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain described LIPA/SIPTO according to the CAMEL-Subscription-Information of described terminal and connect prior information;
The PDN connection discharging described terminal corresponding comprises:
Connect prior information according to described LIPA/SIPTO and trigger PDN connection corresponding to the described terminal of release.
Preferably, described base station comprises dominant base and from base station, and MME receives the LIPA/SIPTO identification information that base station sends and comprises:
After described dominant base receives the described LIPA/SIPTO identification information sent from base station, receive the LIPA/SIPTO identification information that described dominant base sends, wherein, described LIPA/SIPTO identification information is described from base station support LIPA/SIPTO function for indicating;
When determining that according to described LIPA/SIPTO identification information described LIPA/SIPTO function is supported in described base station, the PDN connection obtaining described base station corresponding comprises:
Determine according to described LIPA/SIPTO identification information under described dominant base support described LIPA/SIPTO function from base station time, the PDN obtaining described dominant base counterpart terminal connects.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of local IP and access LIPA/ selection IP flow unloading SIPTO establishment of connection device, be applied to MME, described device comprises:
Receiver module, for receiving the LIPA/SIPTO identification information that base station sends, wherein, described LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating described base station;
Acquisition module, during for determining that at the LIPA/SIPTO identification information received according to described receiver module described LIPA/SIPTO function is supported in described base station, the public data network PDN obtaining described base station counterpart terminal connects, and obtain the CAMEL-Subscription-Information of the corresponding terminal of described PDN connection, wherein, described CAMEL-Subscription-Information represents that described terminal supports described LIPA/SIPTO function;
Processing module, during for determining that at the CAMEL-Subscription-Information obtained according to described acquisition module described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
Link block, for discharge described PDN connection in described processing module after, if described terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
Preferably, described receiver module, for receiving the configuration update message that described base station sends, wherein, described configuration update message carries described LIPA/SIPTO identification information; And the evolution RAB ERAB receiving the transmission of described base station revises Indication message, wherein, described ERAB revises Indication message and carries described LIPA/SIPTO identification information.
Preferably, described processing module, for initiating load bearing deactivation flow process, and initiates attachment removal flow process.
Preferably, described acquisition module also for, discharge before PDN corresponding to described terminal connect in described processing module, the LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain described LIPA/SIPTO according to the CAMEL-Subscription-Information of described terminal and connect prior information;
Described processing module is used for, and connects prior information trigger PDN connection corresponding to the described terminal of release according to described LIPA/SIPTO.
Preferably, described receiver module, for comprise dominant base in described base station and from base station time, after described dominant base receives the described LIPA/SIPTO identification information sent from base station, receive the LIPA/SIPTO identification information that described dominant base sends, wherein, described LIPA/SIPTO identification information indicates described from base station support LIPA/SIPTO function;
Described acquisition module, for determine according to described LIPA/SIPTO identification information under described dominant base support described LIPA/SIPTO function from base station time, the PDN obtaining described dominant base counterpart terminal connects.
In the embodiment of the present invention, MME receives the LIPA/SIPTO identification information that base station sends, wherein, this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this base station, MME is when determining that according to this LIPA/SIPTO identification information this LIPA/SIPTO function is supported in this base station, the PDN obtaining this base station counterpart terminal connects, and obtain the CAMEL-Subscription-Information of the corresponding terminal of this PDN connection, wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal to connect, after this PDN of release connects, if terminal initiates PDN connection request again, set up LIPA/SIPTO with LGW to be connected, like this, base station is after increase LIPA/SIPTO function, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of LIPA/SIPTO networking schematic diagram according to prior art;
Fig. 2 is the schematic diagram of a kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Fig. 3 is a kind of schematic diagram set up PDN and connect the Signalling exchange of flow process according to the embodiment of the present invention;
Fig. 4 is the schematic diagram of the Signalling exchange of a kind of load bearing deactivation flow process according to the embodiment of the present invention;
Fig. 5 is the schematic diagram of the Signalling exchange of a kind of attachment removal flow process according to the embodiment of the present invention;
Fig. 6 is a kind of schematic diagram set up LIPA/SIPTO and connect the Signalling exchange of flow process according to the embodiment of the present invention;
Fig. 7 is the schematic diagram of the another kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Fig. 8 is the schematic diagram of the another kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Fig. 9 is the schematic diagram of the another kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Figure 10 is the structural representation of the another kind of LIPA/SIPTO establishment of connection device according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
It should be noted that, the following embodiment of the present invention can be applied to a kind of LIPA (Local IPAccess, local IP access)/SIPTO (Selected IP Traffic Offload, select the unloading of IP flow) in networking, as shown in Figure 1, this networking comprises: terminal, base station, MME (MobilityManagement Entity, mobile management entity), SGW (Serving Gateway, gateway) and HSS (Home Subscriber Server, home subscriber subscribed services device) and LGW (LocalGateway, local gateway), wherein, this terminal is connected with base station, this base station can be Home eNodeB, this LGW is deployed on this base station, this base station is connected with this MME, this SGW is connected with this LGW, this MME is connected respectively at this SGW with HSS.
Provide a kind of method in the present embodiment, Fig. 2 is the flow chart of a kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention, and as shown in Figure 2, this flow process comprises the steps:
Step S202, MME receive the LIPA/SIPTO identification information that base station sends;
Wherein, this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this base station.
Step S204, when determining that according to this LIPA/SIPTO identification information this LIPA/SIPTO function is supported in this base station, the PDN obtaining this base station counterpart terminal connects;
Step S206, obtains the CAMEL-Subscription-Information that this PDN connects corresponding terminal;
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Step S208, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharging PDN corresponding to this terminal and connecting;
Step S210, after this PDN of release connects, if terminal initiates PDN connection request again, sets up LIPA/SIPTO with local gateway LGW and is connected.Pass through above-mentioned steps, base station is after increase LIPA/SIPTO function, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.Preferably, receive the configuration update message that this base station sends, wherein, this configuration update message carries this LIPA/SIPTO identification information; Or, receive ERAB (the Evolved Radio Access Bearer that this base station sends, evolution RAB) revise Indication message, wherein, this ERAB revises Indication message and carries this LIPA/SIPTO identification information, like this, this LIPA/SIPTO identification information can be sent to MME by any one in above-mentioned two kinds of modes by base station, thus the state current according to base station sends LIPA/SIPTO identification information flexibly.
Wherein, as shown in Figure 3, the signaling process that above-mentioned PDN connects comprises:
S301, terminal sends connection request message to base station.
S302, this connection request message is sent to MME by base station.
S303, MME, after receiving this connection request message, send to SGW and create session request.
This establishment session request is sent to PGW by S304, SGW.
S305, this PGW, after receiving this establishment session request, send to SGW and create conversational response.
This establishment conversational response is sent to MME by S306, SGW.
S307, MME, after receiving this establishment conversational response, send initial context and set up request to base station.
S308, base station, receiving this initial context foundation request, sends to terminal and creates bearer messages.
S309, terminal creates PDN according to this establishment carrying request by base station and connects.
Preferably, load bearing deactivation flow process is initiated; Or, initiate attachment removal flow process.Like this, the release of PDN connection is completed by load bearing deactivation flow process or attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, as shown in Figure 4, the signaling process of this load bearing deactivation comprises:
S401, MME send deleting bearing order to SGW.
This deleting bearing order is sent to PGW by S402, SGW.
S403, PGW, after receiving this deleting bearing order, send deleting bearing request to SGW.
This deleting bearing request is sent to MME by S404, SGW.
S405, MME, after receiving this deleting bearing request, send load bearing deactivation request to base station.
S406, this load bearing deactivation request is sent to terminal by base station.
Wherein, the cause value in this load bearing deactivation request is for re-creating, and terminal when determining this cause value for re-creating, then, after the current PDN of release connects, initiates PDN connection request again.
S407, terminal, after receiving this load bearing deactivation request, sends load bearing deactivation response to base station.
S408, the response of this load bearing deactivation is sent to MME by base station.
S409, MME, after receiving the response of this load bearing deactivation, send deleting bearing response to SGW.
The response of this deleting bearing is sent to PGW by S410, SGW.
Like this, complete load bearing deactivation flow process by above-mentioned steps S401 to S410, thus discharge PDN connection corresponding to this terminal.
As shown in Figure 5, the signaling process of this attachment removal comprises:
S501, MME send deleting bearing order to SGW.
This deleting bearing order is sent to PGW by S502, SGW.
S503, PGW, after receiving this deleting bearing order, send deleting bearing request to SGW.
This deleting bearing request is sent to MME by S504, SGW.
S505, MME, after receiving this deleting bearing request, send detach request to base station.
S506, this detach request is sent to terminal by base station.
Wherein, the cause value in this detach request is for re-creating, and terminal when determining this cause value for re-creating, then, after the current PDN of release connects, initiates PDN connection request again.
S507, terminal, after receiving this detach request, sends attachment removal response to base station.
S508, this attachment removal response is sent to MME by base station.
S509, MME, after receiving this attachment removal response, send deleting bearing response to SGW.
The response of this deleting bearing is sent to PGW by S510, SGW.
Like this, complete attachment removal flow process by above-mentioned steps S501 to S510, thus discharge PDN connection corresponding to this terminal.
Preferably, before the PDN that this terminal of release is corresponding connects, the LIPA/SIPTO of the local configuration of MME acquisition connects prior information, and connects according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
Wherein, as shown in Figure 6, this LIPA/SIPTO establishment of connection flow process comprises:
S601, terminal sends connection request message to base station.
S602, this connection request message is sent to MME by base station.
S603, MME, after receiving this connection request message, send to SGW and create session request.
This establishment session request is sent to LGW by S604, SGW.
S605, this LGW, after receiving this establishment session request, send to SGW and create conversational response.
This establishment conversational response is sent to MME by S606, SGW.
S607, MME, after receiving this establishment conversational response, send initial context and set up request to base station.
S608, base station, receiving this initial context foundation request, sends to terminal and creates bearer messages.
S609, terminal creates LIPA/SIPTO according to this establishment carrying request by base station and connects.
Preferably, under dual link scene, namely terminal can use the Radio Resource of at least two heterogeneous networks nodes (as base station), each network node can bear different roles in dual link, wherein, control plane function mainly completes based on dominant base, and user face (transfer of data) is by completing from base station or dominant base and jointly completing from base station.General macro base station can as dominant base, and little base station as from base station, thus achieves data are diverted to little base station object from macro base station, and in embodiments of the present invention, this base station comprises dominant base and from base station.
After this dominant base receives this LIPA/SIPTO identification information sent from base station, receive the LIPA/SIPTO identification information that this dominant base sends, and determine according to this LIPA/SIPTO identification information under this dominant base support this LIPA/SIPTO function from base station time, obtain PDN corresponding to this dominant base and connect.
Wherein, this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this from base station, like this, under dual link scene, dominant base receives the LIPA/SIPTO identification information sent from base station, and add LIPA/SIPTO identification information by revising in Indication message at ERAB, make MME can determine that this supports LIPA/SIPTO function from base station by this configuration update message, like this, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Fig. 7 is a kind of according to another embodiment of the present invention flow chart of LIPA/SIPTO establishment of connection method, and as shown in Figure 7, the present embodiment sends LIPA/SIPTO identification information by configuration update message, and this flow process comprises the steps:
S701, terminal creates PDN by base station with PGW and is connected.
Wherein, PDN constructive process with reference to the flow process shown in above-mentioned Fig. 3, can repeat no more herein.
S702, base station sends configuration update message to MME.
Wherein, this configuration update message carries this LIPA/SIPTO identification information, and this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this base station.
S703, when determining that according to this LIPA/SIPTO identification information this LIPA/SIPTO function is supported in this base station, MME obtains PDN corresponding to this base station and connects.
S704, MME obtain the CAMEL-Subscription-Information that this PDN connects corresponding terminal from HSS.
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Preferably, the LIPA/SIPTO that MME obtains local configuration connects prior information, and connects according to the PDN that this LIPA/SIPTO connection prior information triggers this terminal of release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
S705, MME, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal and connect.
Wherein, if MME obtains this LIPA/SIPTO connect prior information, then the PDN that MME connects this terminal of prior information triggering release corresponding according to this LIPA/SIPTO connects.
Preferably, load bearing deactivation flow process is initiated; Or, initiate attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, wherein, this load bearing deactivation flow process can the flow process shown in reference diagram 4, and this attachment removal flow process can the flow process shown in reference diagram 5, has repeated no more herein.
S706, after this PDN of release connects, if terminal initiates the request of PDN connection establishment again, MME and LGW sets up LIPA/SIPTO and connects.
Wherein, LIPA/SIPTO establishment of connection flow process can the embodiment shown in reference diagram 6, has repeated no more herein.
It should be noted that, terminal determining to discharge the cause value in the load bearing deactivation request or detach request received in this PDN connection procedure for after re-creating, then initiates PDN connection request again.
Pass through above-mentioned steps, base station by adding LIPA/SIPTO identification information in configuration update message, make MME can determine that LIPA/SIPTO function is supported in this base station by this configuration update message, like this, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Fig. 8 is a kind of according to another embodiment of the present invention flow chart of LIPA/SIPTO establishment of connection method, and as shown in Figure 8, the present embodiment is revised Indication message by ERAB and sent LIPA/SIPTO identification information, and this flow process comprises the steps:
S801, terminal creates PDN by base station with PGW and is connected.
Wherein, PDN constructive process with reference to the flow process shown in above-mentioned Fig. 3, can repeat no more herein.
S802, base station sends ERAB to MME and revises Indication message.
Wherein, this ERAB revises Indication message and carries this LIPA/SIPTO identification information, and this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this base station.
S803, when determining that according to this LIPA/SIPTO identification information this LIPA/SIPTO function is supported in this base station, MME obtains the PDN connection that ERAB revises terminal corresponding to Indication message.
S804, MME obtain the CAMEL-Subscription-Information of this terminal from HSS.
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Preferably, the LIPA/SIPTO that MME obtains local configuration connects prior information, and connects according to the PDN that this LIPA/SIPTO connection prior information triggers this terminal of release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
S805, MME, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal and connect.
Wherein, if MME obtains this LIPA/SIPTO connect prior information, then the PDN that MME connects this terminal of prior information triggering release corresponding according to this LIPA/SIPTO connects.
Preferably, load bearing deactivation flow process is initiated; Or, initiate attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, wherein, this load bearing deactivation flow process can the flow process shown in reference diagram 4, and this attachment removal flow process can the flow process shown in reference diagram 5, has repeated no more herein.
S806, after this PDN of release connects, if terminal initiates the request of PDN connection establishment again, MME and LGW sets up LIPA/SIPTO and connects.
Wherein, LIPA/SIPTO establishment of connection flow process can the embodiment shown in reference diagram 6, has repeated no more herein.
It should be noted that, terminal determining to discharge the cause value in the load bearing deactivation request or detach request received in this PDN connection procedure for after re-creating, then initiates PDN connection request again.
Pass through above-mentioned steps, LIPA/SIPTO identification information is added by revising in Indication message at ERAB in base station, make MME can determine that LIPA/SIPTO function is supported in this base station by this configuration update message, like this, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Fig. 9 is a kind of according to another embodiment of the present invention flow chart of LIPA/SIPTO establishment of connection method, as shown in Figure 9, the present embodiment is under dual link scene, namely terminal can use the Radio Resource of at least two heterogeneous networks nodes (as base station), each network node can bear different roles in dual link, wherein, control plane function mainly completes based on dominant base, and user face (transfer of data) is by completing from base station or dominant base and jointly completing from base station.General macro base station can as dominant base, and little base station as from base station, thus achieves data are diverted to little base station object from macro base station, and in embodiments of the present invention, this base station comprises dominant base and from base station, this flow process comprises the steps:
S901, terminal creates PDN by dominant base with PGW and is connected.
Wherein, PDN constructive process with reference to the flow process shown in above-mentioned Fig. 3, can repeat no more herein.
S902, is sent to dominant base from base station by LIPA/SIPTO identification information.
S903, dominant base sends ERAB to MME and revises Indication message.
Wherein, this ERAB revises Indication message and carries this LIPA/SIPTO identification information, and this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this from base station.
S904, determine according to this LIPA/SIPTO identification information under this dominant base support this LIPA/SIPTO function from base station time, MME obtains this ERAB and revises terminal corresponding to Indication message and be connected with the PDN of dominant base.
S905, MME obtain the CAMEL-Subscription-Information obtaining the corresponding terminal of this PDN connection from HSS.
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Preferably, before the PDN that this terminal of release is corresponding connects, the LIPA/SIPTO of the local configuration of MME acquisition connects prior information, and connects according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
S906, MME, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal and connect.
Wherein, if MME obtains this LIPA/SIPTO connect prior information, then the PDN that MME connects this terminal of prior information triggering release corresponding according to this LIPA/SIPTO connects.
Preferably, load bearing deactivation flow process is initiated; Or, initiate attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, wherein, this load bearing deactivation flow process can the flow process shown in reference diagram 4, and this attachment removal flow process can the flow process shown in reference diagram 5, has repeated no more herein.S907, after this PDN of release connects, if terminal initiates PDN connection request again, MME and LGW sets up LIPA/SIPTO and connects.
It should be noted that, terminal determining to discharge the cause value in the load bearing deactivation request or detach request received in this PDN connection procedure for after re-creating, then initiates PDN connection request again.
Wherein, MME and LGW sets up LIPA/SIPTO and connects, thus completes terminal and from LIPA/SIPTO establishment of connection between base station, and then realizes data and be diverted to object from base station from dominant base.
Pass through above-mentioned steps, under dual link scene, dominant base receives the LIPA/SIPTO identification information sent from base station, and add LIPA/SIPTO identification information by revising in Indication message at ERAB, make MME can determine that this supports LIPA/SIPTO function from base station by this configuration update message, like this, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Additionally provide a kind of LIPA/SIPTO establishment of connection device in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Figure 10 is the structured flowchart of a kind of LIPA/SIPTO establishment of connection device 100 according to the embodiment of the present invention, and this application of installation is in MME, and as shown in Figure 10, this device 100 comprises:
Receiver module 101, for receiving the LIPA/SIPTO identification information that base station sends, wherein, this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this base station;
Preferably, this receiver module 101, for receiving the configuration update message that this base station sends, wherein, this configuration update message carries this LIPA/SIPTO identification information; And the evolution RAB ERAB receiving the transmission of this base station revises Indication message, wherein, this ERAB revises Indication message and carries this LIPA/SIPTO identification information.
Acquisition module 102, during for determining that at the LIPA/SIPTO identification information received according to this receiver module 101 this LIPA/SIPTO function is supported in this base station, the public data network PDN obtaining this base station counterpart terminal connects, and obtain the CAMEL-Subscription-Information of the corresponding terminal of this PDN connection, wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Processing module 103, during for determining that at the CAMEL-Subscription-Information obtained according to this acquisition module 102 this terminal supports this LIPA/SIPTO function, discharging PDN corresponding to this terminal and connecting.
Preferably, this acquisition module 102 also for, discharge before PDN corresponding to this terminal connect in this processing module 103, the LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information;
This processing module 103 for, connect prior information according to this LIPA/SIPTO and trigger PDN corresponding to this terminal of release and connect.
Preferably, this processing module 103, for initiating load bearing deactivation flow process, and initiates attachment removal flow process.
Link block 104, for discharge this PDN connection in this processing module 103 after, if terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
Preferably, under dual link scene, namely terminal can use the Radio Resource of at least two heterogeneous networks nodes (as base station), each network node can bear different roles in dual link, wherein, control plane function mainly completes based on dominant base, and user face (transfer of data) is by completing from base station or dominant base and jointly completing from base station.General macro base station can as dominant base, little base station is as from base station, thus achieve data are diverted to little base station object from macro base station, in embodiments of the present invention, this receiver module, for comprise dominant base in this base station and from base station time, after this dominant base receives this LIPA/SIPTO identification information sent from base station, receive the LIPA/SIPTO identification information that this dominant base sends, wherein, this LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating this from base station;
This acquisition module 102, for determine according to this LIPA/SIPTO identification information under this dominant base support this LIPA/SIPTO function from base station time, the PDN obtaining this dominant base counterpart terminal connects.
By adopting said apparatus, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
In sum, method described in the present invention is on LIPA/SIPTO function basis, by what realize the improvement of S1AP message, the UE CAMEL-Subscription-Information of HSS increases in the preferential signing item of LIPA/SIPTO or MME network element and increases the preferential configuration item of LIPA/SIPTO simultaneously.Key step comprises as follows:
Step 1: created common PDN and connected, when after arrangement LIPA/SIPTO function on base station, revises message informing MME by config update or ERAB.
Step 2:MME is according to the LIPA/SIPTO ability of HeNB, and UE contracts whether support the signing item of LIPA/SIPTO, and whether local exchange configures LIPA/SIPTO preferentially, determines that whether discharging common PDN connects, trigger UE again to initiate to create, thus set up LIPA PDN and connect.
Alternatively, whether MME contracts LIPA/SIPTO preferentially according to UE, determines that whether discharging common PDN connects, and triggers UE and again initiates to create, thus set up LIPA/SIPTO connection.
Step 3: if support that LIPA/SIPTO is preferential, MME release is connected with the PDN of this base station associated user, and activated user initiates new PDN connection request, sets up LIPA and connects.
The method that the present invention describes all bearer connection of respective base station can rejudge and connect the need of setting up LIPA; Also can only connect to rejudge for the PDN that certain carrying is corresponding and connect the need of setting up LIPA.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. local IP accesses LIPA/ and selects an IP flow unloading SIPTO establishment of connection method, it is characterized in that, comprising:
Mobile management entity MME receives the LIPA/SIPTO identification information that base station sends, and wherein, described LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating described base station;
When determining that according to described LIPA/SIPTO identification information described LIPA/SIPTO function is supported in described base station, the public data network PDN obtaining described base station counterpart terminal connects;
Obtain the CAMEL-Subscription-Information that described PDN connects corresponding terminal, wherein, described CAMEL-Subscription-Information represents that described terminal supports described LIPA/SIPTO function;
When determining that according to described CAMEL-Subscription-Information described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
After the described PDN of release connects, if described terminal initiates PDN connection request again, set up LIPA/SIPTO with local gateway LGW and be connected.
2. method according to claim 1, is characterized in that, the LIPA/SIPO identification information that MME receives the transmission of described base station comprises:
Receive the configuration update message that described base station sends, wherein, described configuration update message carries described LIPA/SIPTO identification information; Or,
Receive the evolution RAB ERAB amendment Indication message that described base station sends, wherein, described ERAB revises Indication message and carries described LIPA/SIPTO identification information.
3. method according to claim 2, is characterized in that, the PDN connection discharging described terminal corresponding comprises:
Initiate load bearing deactivation flow process; Or, initiate attachment removal flow process.
4. the method according to any one of claims 1 to 3, is characterized in that,
Before the PDN that the described terminal of described release is corresponding connects, also comprise: the LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain described LIPA/SIPTO according to the CAMEL-Subscription-Information of described terminal and connect prior information;
The PDN connection discharging described terminal corresponding comprises: connect prior information according to described LIPA/SIPTO and trigger PDN connection corresponding to the described terminal of release.
5. method according to claim 4, is characterized in that, described base station comprises dominant base and from base station, the LIPA/SIPTO identification information that MME receives base station transmission comprises:
After described dominant base receives the described LIPA/SIPTO identification information sent from base station, receive the LIPA/SIPTO identification information that described dominant base sends, wherein, described LIPA/SIPTO identification information is described from base station support LIPA/SIPTO function for indicating;
When determining that according to described LIPA/SIPTO identification information described LIPA/SIPTO function is supported in described base station, the PDN obtaining described base station counterpart terminal connects and comprises:
Determine according to described LIPA/SIPTO identification information under described dominant base support described LIPA/SIPTO function from base station time, the PDN obtaining described dominant base counterpart terminal connects.
6. local IP accesses LIPA/ and selects an IP flow unloading SIPTO establishment of connection device, and be applied to mobile management entity MME, it is characterized in that, described device comprises:
Receiver module, for receiving the LIPA/SIPTO identification information that base station sends, wherein, described LIPA/SIPTO identification information supports LIPA/SIPTO function for indicating described base station;
Acquisition module, during for determining that at the LIPA/SIPTO identification information received according to described receiver module described LIPA/SIPTO function is supported in described base station, the public data network PDN obtaining described base station counterpart terminal connects, and obtain the CAMEL-Subscription-Information of the corresponding terminal of described PDN connection, wherein, described CAMEL-Subscription-Information represents that described terminal supports described LIPA/SIPTO function;
Processing module, during for determining that at the CAMEL-Subscription-Information obtained according to described acquisition module described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
Link block, for discharge described PDN connection in described processing module after, if described terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
7. device according to claim 6, is characterized in that, described receiver module, and for receiving the configuration update message that described base station sends, wherein, described configuration update message carries described LIPA/SIPTO identification information; And the evolution RAB ERAB receiving the transmission of described base station revises Indication message, wherein, described ERAB revises Indication message and carries described LIPA/SIPTO identification information.
8. device according to claim 7, is characterized in that, described processing module, for initiating load bearing deactivation flow process, and initiates attachment removal flow process.
9. the device according to any one of claim 6 to 8, is characterized in that,
Described acquisition module also for, discharge before PDN corresponding to described terminal connect in described processing module, the LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain described LIPA/SIPTO according to the CAMEL-Subscription-Information of described terminal and connect prior information;
Described processing module is used for, and connects prior information trigger PDN connection corresponding to the described terminal of release according to described LIPA/SIPTO.
10. device according to claim 9, it is characterized in that, described receiver module, for comprise dominant base in described base station and from base station time, after described dominant base receives the described LIPA/SIPTO identification information sent from base station, receive the LIPA/SIPTO identification information that described dominant base sends, wherein, described LIPA/SIPTO identification information is described from base station support LIPA/SIPTO function for indicating;
Described acquisition module, for determine according to described LIPA/SIPTO identification information under described dominant base support described LIPA/SIPTO function from base station time, the PDN obtaining described dominant base counterpart terminal connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765171.3A CN104703293B (en) | 2014-12-11 | 2014-12-11 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
| PCT/CN2015/084729 WO2016090922A1 (en) | 2014-12-11 | 2015-07-21 | Lipa/sipto connection establishment method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765171.3A CN104703293B (en) | 2014-12-11 | 2014-12-11 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104703293A true CN104703293A (en) | 2015-06-10 |
| CN104703293B CN104703293B (en) | 2019-11-29 |
Family
ID=53349962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410765171.3A Active CN104703293B (en) | 2014-12-11 | 2014-12-11 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104703293B (en) |
| WO (1) | WO2016090922A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634980A (en) * | 2016-01-07 | 2016-06-01 | 北京佰才邦技术有限公司 | Data message processing method and base station |
| WO2016090922A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| WO2016090923A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| CN107710809A (en) * | 2015-07-03 | 2018-02-16 | Lg 电子株式会社 | Strengthen the method and apparatus of LTE WLAN coordination in a wireless communication system |
| WO2021232210A1 (en) * | 2020-05-18 | 2021-11-25 | Qualcomm Incorporated | Recovering from data stall in non-standalone new radio systems |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006673A (en) * | 2009-08-28 | 2011-04-06 | 华为技术有限公司 | Method, device and system for releasing connection |
| CN102457984A (en) * | 2010-11-02 | 2012-05-16 | 大唐移动通信设备有限公司 | Method, device and system for releasing LIPA (local IP access) |
| US20120184266A1 (en) * | 2010-01-11 | 2012-07-19 | Research In Motion Limited | System and method for enabling discovery of local service availability in local cellular coverage |
| CN102742305A (en) * | 2010-12-22 | 2012-10-17 | 华为技术有限公司 | Processing method, device and network system for mobility management of local internet protocol access public data network |
| WO2013006417A2 (en) * | 2011-07-01 | 2013-01-10 | Interdigital Patent Holdings, Inc. | Method and apparatus for managing service continuity |
| CN103229546A (en) * | 2010-09-28 | 2013-07-31 | 捷讯研究有限公司 | Method and device for releasing connection with local GW when UE moved out of the residential/enterprise network coverage |
| CN103841657A (en) * | 2012-11-21 | 2014-06-04 | 中兴通讯股份有限公司 | Local IP access connection release method and MRN |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101091300B1 (en) * | 2009-08-21 | 2011-12-07 | 엘지전자 주식회사 | Server for control plane at mobile communication network and method for controlling Local IP Access Service |
| CN102076038B (en) * | 2011-01-17 | 2013-08-14 | 大唐移动通信设备有限公司 | Method and device for implementing oop initialization prearranged assignment (LIPA) connection switching preparation process |
| TWI596927B (en) * | 2011-04-01 | 2017-08-21 | 內數位專利控股公司 | Method and apparatus for performing a selective ip traffic offload procedure |
| CN104717764A (en) * | 2014-12-11 | 2015-06-17 | 中兴通讯股份有限公司 | Method and device for establishing LIPA/SIPTO connection |
| CN104703293B (en) * | 2014-12-11 | 2019-11-29 | 南京中兴软件有限责任公司 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
-
2014
- 2014-12-11 CN CN201410765171.3A patent/CN104703293B/en active Active
-
2015
- 2015-07-21 WO PCT/CN2015/084729 patent/WO2016090922A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006673A (en) * | 2009-08-28 | 2011-04-06 | 华为技术有限公司 | Method, device and system for releasing connection |
| US20120184266A1 (en) * | 2010-01-11 | 2012-07-19 | Research In Motion Limited | System and method for enabling discovery of local service availability in local cellular coverage |
| CN103229546A (en) * | 2010-09-28 | 2013-07-31 | 捷讯研究有限公司 | Method and device for releasing connection with local GW when UE moved out of the residential/enterprise network coverage |
| CN102457984A (en) * | 2010-11-02 | 2012-05-16 | 大唐移动通信设备有限公司 | Method, device and system for releasing LIPA (local IP access) |
| CN102742305A (en) * | 2010-12-22 | 2012-10-17 | 华为技术有限公司 | Processing method, device and network system for mobility management of local internet protocol access public data network |
| WO2013006417A2 (en) * | 2011-07-01 | 2013-01-10 | Interdigital Patent Holdings, Inc. | Method and apparatus for managing service continuity |
| CN103841657A (en) * | 2012-11-21 | 2014-06-04 | 中兴通讯股份有限公司 | Local IP access connection release method and MRN |
Non-Patent Citations (1)
| Title |
|---|
| MA, L., & LI, W.: "Traffic Offload Mechanism in EPC Based on Bearer Type", 《INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090922A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| WO2016090923A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| CN107710809A (en) * | 2015-07-03 | 2018-02-16 | Lg 电子株式会社 | Strengthen the method and apparatus of LTE WLAN coordination in a wireless communication system |
| CN105634980A (en) * | 2016-01-07 | 2016-06-01 | 北京佰才邦技术有限公司 | Data message processing method and base station |
| CN105634980B (en) * | 2016-01-07 | 2018-10-12 | 北京佰才邦技术有限公司 | Data message processing method and base station |
| WO2021232210A1 (en) * | 2020-05-18 | 2021-11-25 | Qualcomm Incorporated | Recovering from data stall in non-standalone new radio systems |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016090922A1 (en) | 2016-06-16 |
| CN104703293B (en) | 2019-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6308280B2 (en) | Communication system and method and apparatus | |
| CN108029036B (en) | Service processing method, service processing device and communication system | |
| CN110049533B (en) | Indication method and device of local data network | |
| EP3335447B1 (en) | Communication system | |
| US20170374613A1 (en) | Communication apparatus, core network node, system, computer program and methods for rerouting nas-messages | |
| WO2021156771A1 (en) | EXTENSION OF Npcf_EventExposure WITH USAGE MONITORING EVENT | |
| EP3422752B1 (en) | Method and device for processing data packets | |
| CN109391932A (en) | A kind of method and device of different interoperability of system | |
| US11797359B2 (en) | Report application programming interface (API) capability change based on API filter | |
| CN103533500A (en) | Communication method, device and system of neighboring terminals | |
| CN101686520A (en) | Method supporting home base station context management | |
| CN104703293A (en) | LIPA/SIPTO connection establishing method and device | |
| EP3648512B1 (en) | Method for processing session in wireless communication, and terminal device | |
| CN108810988B (en) | Message transmission method and device | |
| CN111567082A (en) | Traffic steering between LTE and NR | |
| WO2019145036A1 (en) | Communication connection control procedure selecting a communication connection slice | |
| EP3739965A1 (en) | User device | |
| EP3740026A1 (en) | User device | |
| JP2022520040A (en) | Extended UP function request PFCP association release | |
| CN110446274B (en) | Tunnel establishment method and device | |
| CN102088795A (en) | SIPTO (Selected IP Traffic Offload) realization method and mobility management control node device | |
| CN111586602A (en) | Policy management method and device | |
| CN104717764A (en) | Method and device for establishing LIPA/SIPTO connection | |
| CN103379479A (en) | Method, system and device for determining of user identification and informing of parameter information | |
| US9705685B2 (en) | Charging control method and system in communication network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190925 Address after: 210012 Nanjing, Yuhuatai District, South Street, Bauhinia Road, No. 68 Applicant after: Nanjing Zhongxing Software Co., Ltd. Address before: 518057 Nanshan District science and technology, Guangdong Province, South Road, No. 55, No. Applicant before: ZTE Communications Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |