CN102088757B - Method and device for selecting gateway - Google Patents
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- CN102088757B CN102088757B CN200910188651.7A CN200910188651A CN102088757B CN 102088757 B CN102088757 B CN 102088757B CN 200910188651 A CN200910188651 A CN 200910188651A CN 102088757 B CN102088757 B CN 102088757B
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Abstract
The embodiment of the invention provides a gateway selection method, which comprises the following steps that: a mobile management entity (MME) acquires type information, which is used for indicating the type of the access terminal, of an access terminal; and the MME determines the type of the access terminal according to the type information and selects a packet data network gateway (PGW) for the access terminal according to the type of the access terminal, so a data flow between a donorE-UTRAN NodeB (DeNB) and a core network PGW is reduced, and the backhaul resource of the core network of an operator is saved. The embodiment of the invention also provides a mobile management entity.
Description
Technical field
The present invention relates to the logical technical field of mobile communication, be specifically related to method, device that a kind of gateway is selected.
Background technology
Along with long-term network evolution (LTE, long time evolution) progressively ripe, current, increasing manufacturer starts to carry out LTE-Advanced (Long Term Evolved-Advanced, long-term evolving network) research of technology, LTE-A provides a kind of system more powerful than LTE network performance, can reduce time delay, improve the network cheaply of user data rate, improved power system capacity and covering.
On the basis in existing LTE system, further raising system is at wireless signal covering quality, the user throughput of cell edge hot zones, improve user's experience simultaneously, in LTE-A, introduce a kind of novel wireless relay Relay technology, be user terminal (User Equipment, UE) with conventional base station (Base Station, BS) website of data between, the equipment that this relaying is corresponding can be called via node (Relay Node, or relay station (Relay Station, RS) or be directly called Relay RN).This Relay can be the website of data between user terminal and conventional base station, makes wireless signal to arrive destination through repeatedly transmitting.
For the scene of Relay in introducing, when Relay starts, Relay selects to be positioned at the PGW of core net, thereby increase control base station (DeNB, DonorE-UTRAN NodeB) and platform gateway (Platform Gateway, PGW) data traffic between, thus the core net back haul link backhaul of operator inadequate resource caused, affect and provide service for user.In addition, because the user's who accesses from Relay chain of command signaling and user face data all need to, via DeNB and the PGW that is positioned at core net, increase the time delay of user's chain of command signaling and user face data, impact is from the business impression of Relay access user.
Summary of the invention
Method, device that the embodiment of the present invention provides a kind of gateway to select, can be dissimilar accessing terminal and select corresponding gateway, reduces information interaction, saves system resource.
A kind of method that one aspect of the present invention provides gateway to select, comprising:
Mobility Management Entity MME obtains the type information accessing terminal, and described type information is used to indicate the type accessing terminal;
The type that accesses terminal described in described MME determines according to described type information, and described according to the described type accessing terminal being, access terminal and select to be positioned at the PGW of core net or selection and be positioned at the PGW of Access Network RAN side.
The present invention provides a kind of Mobility Management Entity on the other hand, comprising:
Acquiring unit, for obtaining the type information accessing terminal, described type information is used to indicate the type accessing terminal;
Selected cell, determines the type accessing terminal for the type information that obtains according to described acquiring unit, and described according to the described type accessing terminal being, accesses terminal and select to be positioned at the PGW of core net or selection and be positioned at the PGW of Access Network RAN side.
Further aspect of the present invention provides one to access terminal, and comprising:
Transmitting element, at the described attach to network or set up when new common data network PDN connects and report the type information accessing terminal of accessing terminal, described type information is used to indicate the type accessing terminal;
With make Mobility Management Entity MME determine according to described type information described in the type that accesses terminal, and described in being, access terminal and select to be positioned at the grouped data network gateway PGW of core net or selection and be positioned at the PGW of Access Network RAN side.
In the embodiment of the present invention, MME is by obtaining the type information accessing terminal, determine the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of the method for a kind of gateway selection of the embodiment of the present invention one;
Fig. 2 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention two;
Fig. 3 is the schematic flow sheet of 31 kinds of method for selecting gateway of the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention four;
Fig. 5 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention five;
Fig. 6 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention six;
Fig. 7 is a kind of MME structural representation of the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The type accessing terminal in the embodiment of the present invention can comprise various ways, for example domestic consumer's terminal UE, via node, mobile relay node and fixed relay station etc.The type accessing terminal includes but not limited to the above-mentioned mode of enumerating.
Fig. 1 is the schematic flow sheet of the method for a kind of gateway selection of the embodiment of the present invention one, comprising:
101, Mobility Management Entity (MME, Mobility Management Entity) obtains the type information accessing terminal, and described type information is used to indicate the type accessing terminal;
102, described MME determine according to described type information described in the type that accesses terminal, and described according to the described type accessing terminal being, access terminal and select PGW.
In the embodiment of the present invention, MME is by obtaining the type information accessing terminal, described type information is used to indicate the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
Wherein, the described MME in the embodiment of the present invention one step 101 obtains the type information accessing terminal and can comprise:
Described MME obtains described type information from CAMEL-Subscription-Information; Or
Described MME obtains the described type information that accesses terminal and report.
Below respectively to obtaining by these two kinds of methods the type information that accesses terminal, and be elaborated according to the method for this type selecting PGW accessing terminal.
Fig. 2 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention two, the type information that accesses terminal described in MME described in this embodiment obtains from the CAMEL-Subscription-Information of the described subscriber access termination of home subscriber server HSS storage, the type accessing terminal can comprise domestic consumer's terminal UE, via node RN, fixing RN or mobile RN.
201, access terminal and initiate Radio Resource control (Radio Resource Control, RRC) connection foundation request to base station;
202, base station connects and sets up message to this transmission RRC that accesses terminal, and this message is carried the configuration information of setting up Signaling Radio Bearer;
203, this accesses terminal and sets up Signaling Radio Bearer;
204, this accesses terminal and sends RRC connection setup complete message to base station, this message is carried and is adhered to request Attach Quest Non-Access Stratum (Non Acess Stratum, NAS) message elements, this NAS message elements comprises the user ID accessing terminal or comprises the temporary mark accessing terminal;
205, base station sends access layer information to MME, and this message is carried this Attach Request NAS message elements;
This access layer information can be initial access message.
206, MME obtains the user ID that this accesses terminal from this NAS message elements;
If the user ID that MME obtains is temporary mark user profile, MME can be again accesses terminal and obtains the user ID that this accesses terminal to this.
207, MME obtains from HSS the CAMEL-Subscription-Information that this accesses terminal according to this identification information accessing terminal;
Optionally, MME can be from network entity, as other MME obtain CAMEL-Subscription-Information or from self canned data, obtain as described in the CAMEL-Subscription-Information that accesses terminal.
208, MME obtains according to this CAMEL-Subscription-Information accessing terminal the type information that this accesses terminal, and MME confirms according to this type information accessing terminal the type that this accesses terminal, and according to this type selecting PGW accessing terminal;
The type accessing terminal can comprise domestic consumer's terminal UE and RN, if attach to network or set up new public data network (Public Data Network, PDN) type that accesses terminal connecting is domestic consumer's terminal UE, selects to be positioned at the PGW of core net for this accesses terminal; If attach to network or to set up the type that accesses terminal that new PDN connects be RN, selects to be positioned at the PGW of Access Network (Radio Access Network, RAN) side.
The type accessing terminal also can comprise domestic consumer's terminal UE, fixing RN or mobile RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE or mobile RN, select to be positioned at the PGW of core net, if attach to network or set up the type that accesses terminal that new PDN connects for fixing RN, selects to be positioned at the PGW of RAN side.
The described type information accessing terminal, can be the type that directly indication accesses terminal, and also can indicate by least one type identification.
For example can comprise that a type identification is in order to distinguish domestic consumer's terminal UE and via node RN; Or comprise that a type identification is in order to distinguish domestic consumer's terminal UE, mobile RN and fixing RN; Or comprise that a type identification is in order to distinguish mobile RN and fixing RN.And for example, type identification can comprise two type identifications, type identification one and type identification two, and type identification one is for distinguishing domestic consumer's terminal UE and RN, and type identification two is for distinguishing fixing RN and mobile RN.
If attach to network or to set up the type identification accessing terminal that new PDN connects be domestic consumer's terminal UE, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal that new PDN connects be RN, further selects PGW according to type identification two.
If attach to network or to set up the type identification accessing terminal two that new PDN connects be mobile RN, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal two that new PDN connects be fixing RN, selects to be positioned at the PGW of RAN example.
The PGW that selection is positioned at RAN side comprises, on MME or RAN side apparatus, configure the address of RAN side PGW, base station initiated while being connected with MME apparatus for establishing level, being reported the address of RAN side PGW to MME by base station, there is corresponding relation in the address of RAN side PGW and the address of the RAN side PGW that base station reports that MME self preserves.When accessing terminal from certain base station access network, MME is that this accesses terminal and selects while being positioned at the PGW of RAN side according to this type accessing terminal, the RAN side PGW address that MME need to preserve according to the PGW address of the base station of user terminal access and MME and the corresponding relation selection PGW of base station.
209, MME sets up default bearing by the Service GateWay (SGW, Service GateWay) accessing terminal to the PGW request accessing terminal;
210, MME sets up the context that accesses terminal between MME and base station according to the feedback of PGW;
211, access terminal and base station between the reprovision of eating dishes without rice or wine set up the radio bearer part of default bearing.
In the embodiment of the present invention, type information accesses terminal described in described MME obtains from the CAMEL-Subscription-Information accessing terminal described in home subscriber server HSS storage, described type information is used to indicate the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between base station and core net PGW, saved the core net backhaul of operator resource.
Fig. 3 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention three, the type information that accesses terminal described in obtaining from the type information that accesses terminal of self storage of MME described in this embodiment, the type accessing terminal can comprise domestic consumer's terminal UE, via node RN, fixing RN or mobile RN.
301, access terminal while setting up new PDN connection, access terminal in state of activation, access terminal and send the up RRC of direct transferring message to base station, this message is carried PDN connection request NAS message elements;
302, base station sends up NAS message transfer to MME, and this message is taken PDN connection request NAS message elements;
303, because this accesses terminal in state of activation, the type information that accesses terminal described in described MME obtains from the type information that accesses terminal of self, MME connects with the contextual corresponding relation that accesses terminal and directly obtains the type information that accesses terminal that is stored in self according to S1;
304, MME selects PGW for accessing terminal according to this type accessing terminal;
The type accessing terminal can comprise domestic consumer's terminal UE and RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE, for accessing terminal, this selects to be positioned at the PGW of core net, if attach to network or to set up the type that accesses terminal that new PDN connects be RN, selects to be positioned at the PGW of RAN side.
The type accessing terminal also can comprise domestic consumer's terminal UE, fixing RN or mobile RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE or mobile RN, select to be positioned at the PGW of core net, if attach to network or set up the type that accesses terminal that new PDN connects for fixing RN, selects to be positioned at the PGW of RAN side.
Similar with embodiment bis-, described in the directly type of indicating user terminal of type information that accesses terminal, also can comprise that at least one type identification indicates.
For example can comprise that a type identification is in order to distinguish domestic consumer's terminal UE and via node RN; Or comprise that a type identification is for distinguishing domestic consumer's terminal UE, mobile RN and fixing RN; Or comprise that a type identification is in order to distinguish mobile RN and fixing RN.And for example, type identification can comprise two type identifications, type identification one and type identification two, and type identification one is for distinguishing domestic consumer's terminal UE and RN, and type identification two is for distinguishing fixing RN and mobile RN.
If attach to network or to set up the type identification accessing terminal that new PDN connects be domestic consumer's terminal UE, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal that new PDN connects be RN, further selects PGW according to type identification two.
If attach to network or to set up the type identification accessing terminal two that new PDN connects be mobile RN, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal two that new PDN connects be fixing RN, selects to be positioned at the PGW of RAN side.
The PGW that selection is positioned at RAN side comprises, on MME or RAN side apparatus, configure the address of RAN side PGW, base station initiated while being connected with MME apparatus for establishing level, being reported the address of RAN side PGW to MME by base station, there is corresponding relation in the address of RAN side PGW and the address of the RAN side PGW that base station reports that MME self preserves.When accessing terminal from certain base station access network, MME is that this accesses terminal and selects while being positioned at the PGW of RAN side according to this type accessing terminal, the RAN side PGW address that MME need to preserve according to the PGW address of the base station of user terminal access and MME and the corresponding relation selection PGW of base station.
305, MME sets up default bearing by this SGW accessing terminal to the PGW request that this accesses terminal;
306, MME sets up the context that accesses terminal between MME and base station according to the feedback of PGW;
307, access terminal and base station between the reprovision of eating dishes without rice or wine set up the radio bearer part of default bearing.
In the embodiment of the present invention, MME is by the type information that accesses terminal described in obtaining the type information that accesses terminal from described MME from self storage, described type information is used to indicate the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, because this PGW is the PGW that is positioned at Access Network integrating with DeNB, thereby reduce the data traffic between base station and core net PGW, saved the core net backhaul of operator resource.
Fig. 4 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention four, the type information that accesses terminal described in obtaining from the described non access stratum NAS message sending that accesses terminal of MME described in this embodiment, the type accessing terminal can comprise domestic consumer's terminal UE, via node RN, fixing RN or mobile RN.
401, access terminal and initiate RRC connection foundation request to base station;
402, base station sends RRC connection and sets up message to accessing terminal, and this message is carried the configuration information of setting up Signaling Radio Bearer;
403, access terminal and set up Signaling Radio Bearer;
404, access terminal and send RRC connection setup complete message to base station, this message is carried Attach Request NAS message elements, and this NAS message elements comprises the type information accessing terminal;
405, base station sends access layer information to MME, and this message is carried this Attach Request NAS message elements;
This access layer information can be the message that initially accesses terminal.
406, the MME type information that accesses terminal described in obtaining by non access stratum NAS message from accessing terminal, MME is the selection PGW that accesses terminal according to the type accessing terminal;
The type accessing terminal can comprise domestic consumer's terminal UE and RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE, for accessing terminal, this selects to be positioned at the PGW of core net, if attach to network or to set up the type that accesses terminal that new PDN connects be RN, selects to be positioned at the PGW of RAN side.
The type accessing terminal also can comprise domestic consumer's terminal UE, fixing RN or mobile RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE or mobile RN, select to be positioned at the PGW of core net, if attach to network or set up the type that accesses terminal that new PDN connects for fixing RN, selects to be positioned at the PGW of RAN side.
The described type information accessing terminal also can comprise that at least one type identification indicates.For example can comprise that a type identification is in order to distinguish domestic consumer's terminal UE and via node, or comprise that a type identification is for distinguishing domestic consumer's terminal UE, mobile RN and fixing RN.And for example, type identification can comprise two type identifications, type identification one and type identification two, and type identification one is for distinguishing domestic consumer's terminal UE and RN, and type identification two is for distinguishing fixing RN and mobile RN.
If attach to network or to set up the type identification accessing terminal that new PDN connects be domestic consumer's terminal UE, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal that new PDN connects be RN, further selects PGW according to type identification two.
If attach to network or to set up the type identification accessing terminal two that new PDN connects be mobile RN, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal two that new PDN connects be fixing RN, selects to be positioned at the PGW of RAN side.
The PGW that selection is positioned at RAN side comprises, on MME or RAN side apparatus, configure the address of RAN side PGW, base station initiated while being connected with MME apparatus for establishing level, being reported the address of RAN side PGW to MME by base station, there is corresponding relation in the address of RAN side PGW and the address of the RAN side PGW that base station reports that MME self preserves.When accessing terminal from certain base station access network, MME is that this accesses terminal and selects while being positioned at the PGW of RAN side according to this type accessing terminal, the RAN side PGW address that MME need to preserve according to the PGW address of the base station of user terminal access and MME and the corresponding relation selection PGW of base station.
407, MME sets up default bearing by the SGW accessing terminal to the PGW request accessing terminal;
408, MME sets up the context that accesses terminal between MME and base station according to the feedback of PGW;
409, access terminal and base station between the reprovision of eating dishes without rice or wine set up the radio bearer part of default bearing.
The embodiment of the present invention type information that accesses terminal described in obtaining from the described non access stratum NAS message sending that accesses terminal by MME, described type information is used to indicate the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
Fig. 5 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention five, this embodiment and embodiment tri-are similar, difference is step 501 and step 502, the described MME type information that accesses terminal described in obtaining from the described non access stratum NAS message sending that accesses terminal, this type accessing terminal can comprise domestic consumer's terminal UE, via node RN, fixing RN or mobile RN.
501, the radio resource control RRC message of carrying described type information that accesses terminal and send to base station;
502, base station sends to MME by access layer information by described type information.
The embodiment of the present invention type information that accesses terminal described in obtaining from the described non access stratum NAS message sending that accesses terminal by MME, described type information is used to indicate the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
Fig. 6 is the schematic flow sheet of a kind of method for selecting gateway of the embodiment of the present invention six, the type information that accesses terminal described in obtaining the access layer information that MME described in this embodiment sends from base station, the type accessing terminal can comprise domestic consumer's terminal UE, via node RN, fixing RN or mobile RN.
601, access terminal and connect and set up request message to base station initiation RRC, in this message, carry the type information accessing terminal;
Wherein, this type information accessing terminal can be used as independent parameter and is carried in this RRC message, also can be used as and sets up the cause value that RRC message connects.
602, base station sends RRC connection and sets up message to accessing terminal, and this message is carried the configuration information of setting up Signaling Radio Bearer;
603, access terminal and set up Signaling Radio Bearer;
604, access terminal and send RRC connection setup complete message to base station, this message is carried Attach Request NAS message elements;
605, base station sends access layer information to MME, and this message is carried this Attach Request NAS message elements and the type information accessing terminal;
This access layer information can be the message that initially accesses terminal.
606, MME selects PGW for accessing terminal according to the type accessing terminal;
The type accessing terminal can comprise domestic consumer's terminal UE and RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE, for accessing terminal, this selects to be positioned at the PGW of core net, if attach to network or to set up the type that accesses terminal that new PDN connects be RN, selects to be positioned at the PGW of RAN side.
The type accessing terminal also can comprise domestic consumer's terminal UE, fixing RN or mobile RN, if attach to network or to set up the type that accesses terminal that new PDN connects be domestic consumer's terminal UE or mobile RN, select to be positioned at the PGW of core net, if attach to network or set up the type that accesses terminal that new PDN connects for fixing RN, selects to be positioned at the PGW of RAN side.
The described type information accessing terminal, can be the type that directly indication accesses terminal, and also can indicate by least one type identification.
For example can comprise that a type identification is in order to distinguish domestic consumer's terminal UE and via node, or comprise that a type identification is for distinguishing domestic consumer's terminal UE, mobile RN and fixing RN.And for example, type identification can comprise two type identifications, type identification one and type identification two, and type identification one is for distinguishing domestic consumer's terminal UE and RN, and type identification two is for distinguishing fixing RN and mobile RN.
If attach to network or to set up the type identification accessing terminal that new PDN connects be domestic consumer's terminal UE, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal that new PDN connects be RN, further selects PGW according to type identification two.
If attach to network or to set up the type identification accessing terminal two that new PDN connects be mobile RN, selects to be positioned at the PGW of core net; If attach to network or to set up the type identification accessing terminal two that new PDN connects be fixing RN, selects to be positioned at the PGW of RAN side.
The PGW that selection is positioned at RAN side comprises, on MME or RAN side apparatus, configure the address of RAN side PGW, base station initiated while being connected with MME apparatus for establishing level, being reported the address of RAN side PGW to MME by base station, there is corresponding relation in the address of RAN side PGW and the address of the RAN side PGW that base station reports that MME self preserves.When accessing terminal from certain base station access network, MME is that this accesses terminal and selects while being positioned at the PGW of RAN side according to this type accessing terminal, the RAN side PGW address that MME need to preserve according to the PGW address of the base station of user terminal access and MME and the corresponding relation selection PGW of base station.
The type of user terminal can comprise various ways, includes but not limited to the above-mentioned mode of enumerating.
607, MME sets up default bearing by the SGW accessing terminal to the PGW request accessing terminal;
608, MME sets up the context that accesses terminal between MME and base station according to the feedback of PGW;
609, access terminal and base station between the reprovision of eating dishes without rice or wine set up the radio bearer part of default bearing.
The type information accessing terminal in the present embodiment also can be included in Attach Request NAS message elements, wherein, this type information accessing terminal can be used as independent parameter and is carried in this RRC message, also can be used as and sets up the cause value that RRC message connects.
Type information accesses terminal described in obtaining the access layer information that the embodiment of the present invention sends from base station by described MME, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
Fig. 7 is a kind of MME structural representation of the embodiment of the present invention seven, comprising:
Acquiring unit 701, for obtaining the type information accessing terminal, described type information is used to indicate the type accessing terminal;
Wherein, acquiring unit is further used for obtaining from CAMEL-Subscription-Information the type information accessing terminal or from the information reporting, obtains the type information accessing terminal.
Wherein, this selected cell is further used for determining attach to network or setting up the type that accesses terminal that new common data network PDN connects while being domestic consumer's terminal UE or mobile relay node at the type information obtaining according to described acquiring unit, selects to be positioned at the grouped data network gateway PGW of core net;
Or determine attach to network or set up the type that accesses terminal that new PDN connects while being via node or fixed relay station at the type information obtaining according to described acquiring unit, select to be positioned at the PGW of Access Network RAN side.
Further, described selected cell also for, determine attach to network or set up the type that accesses terminal that new PDN connects while being via node at the type information obtaining according to described acquiring unit, further determine that described RN is mobile RN or solid RN.
Described selected cell is further used for: determine attach to network or set up the type identification one that new common data network PDN connects to be domestic consumer's terminal UE at the type information obtaining according to described acquiring unit, select to be positioned at the PGW of core net; Or
Determine attach to network or set up the type identification two that new common data network PDN connects to be mobile RN at the type information obtaining according to described acquiring unit, select to be positioned at the PGW of core net; Or
The type identification two of determining attach to network or setting up new common data network PDN connection at the type information obtaining according to described acquiring unit, for fixing RN, selects to be positioned at the PGW of RAN side.Or
Determine attach to network or set up the type identification two that new common data network PDN connects to be RN at the type information obtaining according to described acquiring unit, further select PGW according to type identification two.
Other relevant specific implementation details of relevant MME provided by the invention are asked the corresponding description with reference to said method embodiment of the present invention, repeat no more here.
In the embodiment of the present invention, MME is by obtaining the type information accessing terminal, described type information is used to indicate the type accessing terminal, the type accessing terminal described in described MME determines according to described type information, and the selection grouped data network gateway PGW that accesses terminal described in being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
The embodiment of the present invention eight provides one to access terminal, and comprising:
Transmitting element, for at the described attach to network or set up and report the type information accessing terminal when new common data network PDN connects of accessing terminal, described type information is used to indicate the type accessing terminal, with make Mobility Management Entity MME determine according to described type information described in the type that accesses terminal, and described in being, access terminal and select grouped data network gateway PGW.
Relevant a kind of other relevant specific implementation details that access terminal provided by the invention are asked the corresponding description with reference to said method embodiment of the present invention, repeat no more here.
In the embodiment of the present invention, attach to network or set up and report the type information accessing terminal when new common data network PDN connects accesses terminal, described type information is used to indicate the type accessing terminal, to make MME by obtaining the type information accessing terminal, determine the type accessing terminal according to this type information accessing terminal, and the corresponding platform gateway PGW of selection that accesses terminal described according to the described type accessing terminal being, thereby reduce the data traffic between DeNB and core net PGW, saved the core net backhaul of operator resource.
The embodiment of the present invention is the method and apparatus based on EPS system, for other system, and the Mobility Management Entity of MME in can corresponding other system, eNB correspondence is not limited to the base station of other system, RNC, the equipment such as base-station gateway.
In the description of the each embodiment by above, those skilled in the art can be well understood to the present invention and can realize by the mode of software and essential general hardware platform, certainly, also can pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method that each embodiment of the present invention is somebody's turn to do.
Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and described, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (13)
1. the method that gateway is selected, is characterized in that, comprising:
Mobility Management Entity MME obtains the type information accessing terminal, and described type information is used to indicate the type accessing terminal;
The type that accesses terminal described in described MME determines according to described type information, and described according to the described type accessing terminal being, access terminal and select to be positioned at the grouped data network gateway PGW of core net or selection and be positioned at the PGW of Access Network RAN side; When type is domestic consumer's terminal UE or mobile relay node if access terminal, select to be positioned at the grouped data network gateway PGW of core net; Or, if when the type that accesses terminal is via node or fixed relay station, select to be positioned at the PGW of Access Network RAN side.
2. method according to claim 1, is characterized in that, described MME obtains the type information accessing terminal, and comprising:
Described MME obtains described type information from CAMEL-Subscription-Information; Or
Described MME obtains described type information from reporting information.
3. method according to claim 2, is characterized in that, described MME obtains described type information from CAMEL-Subscription-Information, comprising:
Type information accesses terminal described in described MME obtains from the CAMEL-Subscription-Information of the described subscriber access termination of home subscriber server HSS storage; Or
Type information accesses terminal described in obtaining the type information that accesses terminal that described MME stores from self.
4. method according to claim 2, is characterized in that, described MME obtains described type information from the information reporting, and comprising:
Type information accesses terminal described in described MME obtains from the described non access stratum NAS message sending that accesses terminal; Or
Type information accesses terminal described in obtaining the access layer information that described MME sends from base station.
5. method according to claim 4, is characterized in that, further comprises:
The base station radio resource control RRC message of carrying described type information sending that accesses terminal, and sends to MME by access layer information by described type information.
6. according to the method described in claim 1 to 5 any one, it is characterized in that, the described type information type that directly indication accesses terminal, or indicate the type accessing terminal by least one type identification.
7. method according to claim 6, is characterized in that,
Described type information comprises the type identification for distinguishing domestic consumer's terminal UE and via node RN; Or
Described type information comprises the type identification for distinguishing domestic consumer's terminal UE, mobile RN and fixing RN; Or
Described type information comprises the type identification for distinguishing mobile RN and fixing RN.
8. method according to claim 7, is characterized in that, when the type that accesses terminal is domestic consumer's terminal UE or mobile relay node, selects to be positioned at the grouped data network gateway PGW of core net if described; Or, if when the type that accesses terminal is via node or fixed relay station, select the PGW that is positioned at Access Network RAN side specifically to comprise:
In the time that described type information comprises the type identification for distinguishing domestic consumer's terminal UE and via node RN, if access terminal as domestic consumer's terminal UE described in described type identification indication, selection is positioned at the PGW of core net, if while accessing terminal as via node RN described in described type identification indication, select to be positioned at the PGW of RAN side; Or
In the time that described type information comprises the type identification for distinguishing domestic consumer's terminal UE, mobile RN and fixing RN, if while accessing terminal as domestic consumer's terminal UE or mobile RN described in described type identification indication, selection is positioned at the PGW of core net, if while accessing terminal as fixing RN described in described type identification indication, select to be positioned at the PGW of RAN side; Or
In the time that described type information comprises the type identification for distinguishing mobile RN and fixing RN, if access terminal as mobile RN described in described type identification indication, selection is positioned at the PGW of core net, if access terminal described in the indication of described type identification as fixing RN, selects to be positioned at the PGW of RAN side.
9. method according to claim 6, described type information comprises the type identification one for distinguishing UE and RN, and for distinguishing the type identification two of fixing RN and mobile RN.
10. method according to claim 9, is characterized in that, when the type that accesses terminal is domestic consumer's terminal UE or mobile relay node, selects to be positioned at the grouped data network gateway PGW of core net if described; Or, if when the type that accesses terminal is via node or fixed relay station, select the PGW that is positioned at Access Network RAN side specifically to comprise:
In the time accessing terminal as domestic consumer's terminal UE described in described type identification one indication, select to be positioned at the PGW of core net; Or
In the time accessing terminal as RN described in described type identification one indication, the type accessing terminal described in further confirming according to type identification two, and in the time accessing terminal as mobile RN described in described type identification two indications, select to be positioned at the PGW of core net; Described in described type identification two indications, access terminal as fixing RN, select to be positioned at the PGW of RAN side.
11. 1 kinds of Mobility Management Entity MME, is characterized in that, comprising:
Acquiring unit, for obtaining the type information accessing terminal, described type information is used to indicate the type accessing terminal;
Selected cell, determine the type accessing terminal for the type information that obtains according to described acquiring unit, and described according to the described type accessing terminal being, access terminal and select to be positioned at the grouped data network gateway PGW of core net or selection and be positioned at the PGW of Access Network RAN side;
Described selected cell is further used for:
Determine attach to network or set up the type that accesses terminal that new common data network PDN connects while being domestic consumer's terminal UE or mobile relay node at the type information obtaining according to described acquiring unit, select to be positioned at the grouped data network gateway PGW of core net; Or
Determine attach to network or set up the type that accesses terminal that new PDN connects while being via node or fixed relay station at the type information obtaining according to described acquiring unit, select to be positioned at the PGW of Access Network RAN side.
12. MME according to claim 11, is characterized in that, described acquiring unit is further used for obtaining from CAMEL-Subscription-Information the type information accessing terminal or from the information reporting, obtains the type information accessing terminal.
13. 1 kinds access terminal, and it is characterized in that comprising: transmitting element, and at the described attach to network or set up when new common data network PDN connects and report the type information accessing terminal of accessing terminal, described type information is used to indicate the type accessing terminal,
With make Mobility Management Entity MME determine according to described type information described in the type that accesses terminal, and described according to the described type accessing terminal being, access terminal and select to be positioned at the grouped data network gateway PGW of core net or selection and be positioned at the PGW of Access Network RAN side; When type is domestic consumer's terminal UE or mobile relay node if access terminal, select to be positioned at the grouped data network gateway PGW of core net; Or, if when the type that accesses terminal is via node or fixed relay station, select to be positioned at the PGW of Access Network RAN side.
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| CN102333330B (en) * | 2011-10-26 | 2013-11-20 | 电信科学技术研究院 | Information indication and gateway selection methods, system and equipment |
| CN103188650B (en) * | 2011-12-28 | 2016-03-23 | 电信科学技术研究院 | Method for selecting gateway and equipment |
| CN103326770B (en) * | 2012-03-19 | 2016-04-06 | 上海贝尔股份有限公司 | Support the method that mobile-relay station and fixed relay station coexist and corresponding equipment |
| CN105284162B (en) * | 2013-10-29 | 2019-11-29 | 华为技术有限公司 | Motion management method, equipment and system |
| CN105282760A (en) * | 2014-06-19 | 2016-01-27 | 中国移动通信集团公司 | Network access method, devices and system |
| CN106888478A (en) * | 2015-12-15 | 2017-06-23 | 中兴通讯股份有限公司 | A kind of method and device for gathering network O＆M data |
| WO2018032520A1 (en) * | 2016-08-19 | 2018-02-22 | 华为技术有限公司 | Uplink and downlink data transmission method and device |
| CN108282827B (en) * | 2017-01-06 | 2022-07-12 | 北京三星通信技术研究有限公司 | Method, node and equipment for interoperation between networks |
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| CN101552977A (en) * | 2008-03-31 | 2009-10-07 | 华为技术有限公司 | Load creating method and mobility management entity |
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