CN102170626A - MME (mobility management entity)/UPE (user plane entity) reselection method and system of UE (user equipment) - Google Patents
MME (mobility management entity)/UPE (user plane entity) reselection method and system of UE (user equipment) Download PDFInfo
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Abstract
The invention discloses an MME (mobility management entity)/UPE (user plane entity) reselection method and system of UE (user equipment) which are applied to an evolved network. The system comprises an eNodeB (evolved NodeB) and an MME/UPE connected with the eNodeB, wherein the eNodeB is used for receiving a tracking area update request message initiated by the UE, selecting one MME/UPE meeting the highest quality of service from the MME/UPEs connected with the eNodeB to serve as the target MME/UPE after reselection, and sending an access request to the target MME/UPE; and the target MME/UPE is used for interacting with a service MME/UPE of the UE before reselection to obtain the mobility management context of the UE, and executing a position update register process of the UE to become the service MME/UPE of the UE after reselection. By adopting the method and system disclosed by the invention, the problem of communication quality drop or communication interrupt caused by excessively heavy load of the original service MME/UPE can be effectively avoided.
Description
Technical field
The present invention relates to evolvement network, relate in particular to a kind of subscriber equipment (User Equipment in the evolvement network, Mobility Management Entity UE) (Mobility Management Entity, MME)/user entity (User Plane Entity, UPE) reselecting method.
Background technology
(Universal Mobile Telecommunications System is the 3-G (Generation Three mobile communication system) that adopts the WCDMA air interface technologies UMTS) to universal mobile telecommunications system, also the UMTS system is called the WCDMA communication system usually.The UMTS system has adopted and the similar structure of second generation mobile communication system, comprise Radio Access Network (Radio Access Network, RAN) and core network (Core Network, CN).Wherein Radio Access Network is used to handle all and wireless function associated, and CN handles that all voice calls are connected with data in the UMTS system, and the exchange of realization and external network and routing function.CN from be divided in logic circuit commutative field (Circuit Switched Domain, CS) and packet-switched domain (Packet Switched Domain, PS).(User Equipment UE) has constituted whole UMTS system together for UTRAN, CN and subscriber equipment.Its system configuration as shown in Figure 1.
UTRAN is a land radio access web, it comprise one or several RNS (Radio Network Subsystem, RNS).(Radio Network Controller RNC) forms with one or more base stations (NodeB) RNS by a radio network controller.Interface between RNC and the CN is the Iu interface, and NodeB is connected by Iub interface with RNC.In UTRAN inside, interconnected by the Iur interface between the radio network controller, the Iur interface can connect or connect by transmission network by the direct physical between the RNC.RNC is used for distributing and is attached thereto with control or the Radio Resource of relevant NodeB.NodeB then finishes the conversion of the data flow between Iub interface and the Uu interface, also participates in a part of RRM simultaneously.The structure of UTRAN as shown in Figure 2.
The core network architecture in 3G PS territory as shown in Figure 3, the network element that mainly comprises: Serving GPRS Support Node (Serving GPRS Support Node, SGSN) and Gateway GPRS Support Node (Gateway GPRS Support Node, GGSN).
Wherein, SGSN is a basic composition network element of PS network.Its significant feature is exactly the IP grouping of transmitting I/O for the UE of this SGSN coverage, and its status is similar to the VMSC (Visited Mobile Switching Center) in the CS territory.In addition, also integrated (the Visitor Location Register of Visited Location Registor in the CS network that is similar among the SGSN, VLR) function, when adhering to (Attached) state when the user is in, stored among the SGSN with grouping relevant user profile and positional information, similar with VLR, (Home Location Register obtains in HLR) the most of user profile among the SGSN from attaching position register in position updating process.
GGSN also is a Network Element Function entity of introducing in order to provide the PS business function in the UMTS network, and route and the encapsulation of packet between PS net and external data network is provided.
At present in 3GPP, each manufacturer's active research Long Term Evolution (Long Term Evolution, LTE) network, the purpose of LTE provides a kind of network that can reduce time delay, raising user data rate, improve power system capacity and low-cost covering, only use PS territory business, bearer network all is the IP carrying.
A kind of typical two-layer node evolution network framework comprises as shown in Figure 4:
LTE RAN: be the wireless access network of evolvement network, have evolution network base station (Evolved NodeB, eNodeB) entity, preserve subscriber equipment (User Equipment, UE) Radio Access Network (Radio Access Network, RAN) Nei context (context) logically is referred to as it Long Term Evolution radio access network entity (LTE-RAN Entity).
MME/UPE: be logic entity, the function of MME be the mobile management of preserving UE (Mobility Management, MM) context, as user's sign, mobility status, tracking area (Tracking Area, TA) information etc., and the user authenticated; The function of UPE is the entity of the UE termination downlink data of idle (idle) state, triggers paging simultaneously, preserves the context of UE, as the IP address of UE and routing iinformation etc.
User's face anchor point (User Plane Anchor): be associated with UPE, keep the anchor point of user's face constant in during user's session.
(Home Subscriber Server, HSS): the HLR of evolution is associated storage and renewal user's log-on message to home subscriber servers with MME.
In evolvement network, MME/UPE and LTE-RAN Entity have many-to-many relationship, i.e. S1-flex.S1 is the interface of evolvement network RAN and evolution block core (Evolved Packet Core).As shown in Figure 5.
In evolvement network, MME and UPE not necessarily are positioned at same physical node, and also unqualified is core net (CN) node.For example: might be in EnodeB by UPE, MME is in CN as the chain of command node.
MME and UPE be a node not necessarily, may separate.Different MME and UPE can be configured in the pond, and are connected entirely by one of the service available eNodeB existence of IP network and all, promptly are a multi-multipoint relation between logic configured MME/UPE and the service available eNodeB.After UE resided in a sub-district, eNodeB can select the MME/UPE of a service according to principles such as load balancing.When between idle (Idle) state eNodeB of UE in the MME/UPE pond at the MME/UPE place of selected service down when mobile, always can select the MME/UPE conduct in stationary point to provide the MME/UPE of service for it.When occurrence positions more during new technological process, just (flow process of MME/UPE gravity treatment does not take place in Tracking Area, TA) information by the relevant residing tracking area of UE of eNodeB notification service MME/UPE.After Fig. 6 has showed that UE moves to different eNodeB, when business arrives, Business Stream will arrive the situation of UE by former serving MME/UPE.
Because in the prior art, when mobile, the MME/UPE that always selects the stationary point is as serving MME/UPE between the eNodeB of UE in same MME/UPE pond; But to be in load too heavy as serving MME/UPE, or serving MME/UPE is overweight to the link load of UE, or route is not when being situation such as optimization, may not cause communication quality to descend or interrupts if do not change serving MME/UPE, and user communication business is produced bigger influence.
Summary of the invention
The invention provides MME/UPE reselecting method and the system of a kind of UE,, change, cause the problem of communication quality decline or communication disruption owing to do not carry out serving MME/UPE in order to solve in the prior art when between the eNodeB of UE in same MME/UPE pond when mobile.
An aspect of of the present present invention provides a kind of Mobility Management Entity MME/ user entity UPE gravity treatment system of user equipment (UE), be applied to evolvement network, comprise: base station eNodeB and the MME/UPE that is connected with described base station eNodeB, wherein, described base station eNodeB, after being used to receive the tracing section updating request message that UE initiates, with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment; And to described target MME/UPE transmission access request; Described target MME/UPE is used for the serving MME/UPE of said UE before reselection alternately, obtains the MM Context of described UE; Carry out the position registration updating flow process of described UE, become the serving MME/UPE of described UE after the gravity treatment.
Another aspect of the present invention also provides a kind of Mobility Management Entity MME/ user entity UPE reselecting method of user equipment (UE), be applied to evolvement network, comprise: base station eNodeB, after receiving the tracing section updating request message that UE initiates, with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment; And to described target MME/UPE transmission access request, so that UE and described target MME/UPE position registration updating flow process.
Another aspect of the present invention also provides a kind of base station eNodeB of evolvement network, comprising:
Be used to receive the unit of the tracing section updating request message that UE initiates;
The unit that is used for the target MME/UPE after the MME/UPE that is connected with self selects a MME/UPE who satisfies the service quality optimum as gravity treatment;
Be used for sending the unit of the request of access, so that UE and described target MME/UPE position registration updating flow process to described target MME/UPE.
The present invention has following beneficial effect:
(1) because the gravity treatment of MME/UPE of the present invention is by more new technological process (periodically updating or the UE leap TA border) triggering of normal position by UE, to other flow process of existing network with use without any influence, only need eNodeB to carry out the comparison of each MME/UPE service quality, determine whether to initiate the reuse adoption process of MME/UPE afterwards again by a tabulation of reading the backstage.
(2) because eNodeB can determine the priority of each MME/UPE that is connected and upgrade tabulation by the backstage cycle, stronger real-time is arranged, to the not influence of performance of MME/UPE.
(3) regularly parameters such as self load are sent on all coupled eNodeB by MME/UPE, eNodeB can determine the service quality rating of each MME/UPE, and implementation method is simple; ENodeB switches to serving MME/UPE of UE on the higher MME/UPE of service quality rating, effectively avoids causing owing to former serving MME/UPE load is overweight the problem of communication quality decline or communication disruption.
Description of drawings
Fig. 1 is a UMTS system configuration schematic diagram;
Fig. 2 is the UTRAN schematic network structure;
Fig. 3 is a PS territory schematic network structure;
A kind of evolution network structure schematic diagram of Fig. 4 for providing in the prior art;
Fig. 5 shares the S1-flex configuration schematic diagram for evolvement network;
Fig. 6 is a service traffics routing mode schematic diagram in the prior art;
Fig. 7 carries out service traffics routing mode schematic diagram after serving MME/UPE gravity treatment for the present invention;
Fig. 8 carries out one of MME/UPE gravity treatment signaling process for the present invention;
Fig. 9 carries out two of MME/UPE gravity treatment signaling process for the present invention.
Embodiment
The present invention proposes a kind of when UE initiates tracking area (TA) update request, the method for being carried out serving MME/UPE gravity treatment by eNodeB according to loading condition, route metric or the link condition etc. of coupled MME/UPE.Specifically comprise:
After eNodeB receives the tracing section updating request message that UE initiates, eNodeB with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment; And to target MME/UPE transmission access request; Target MME/UPE inserts judgement, determines whether to allow this eNodeB to insert; Serving MME/UPE of UE is mutual before target MME/UPE and the gravity treatment, obtains the MM Context of UE; Target MME/UPE carries out the position registration updating flow process of described UE, becomes the serving MME/UPE of UE after the gravity treatment.
As shown in Figure 7, carry out service traffics routing mode schematic diagram after serving MME/UPE gravity treatment for the present invention.Black solid line represents not pass through the service traffics route approach of eNodeB gravity treatment among Fig. 7, and black dotted line is represented through the service traffics route approach after the eNodeB gravity treatment.That is: when not carrying out serving MME/UPE gravity treatment, serving MME/UPE of UE is MME/UPE1, carry out serving MME/UPE gravity treatment according to said method of the present invention after, serving MME/UPE of UE is MME/UPE3.
UE carries out serving MME/UPE selection and selects successful flow chart as shown in Figure 8 owing to the position renewal triggers eNodeB, comprises the steps:
Step 1, UE send the TA update request to eNodeB; Comprise grouping temporarily moved subscriber identification number (Packet-Temporary Mobile Subscriber Identify in the update request, P-TMSI), the tracking area identification (old TAI) of UE position before upgrading, old packet TMSI signature (oldP-TMSI Signature) and updating type parameters such as (Update Type), upgrade reason and can be and periodically update or UE finds to have entered a new tracking area.
After step 2, eNodeB receive the TA update request, from above-mentioned parameter, obtain MME/UPE address for this UE service, and the target MME/UPE of the MME/UPE that the service quality optimum is satisfied in one of selection from all MME/UPE that are connected with self after as gravity treatment;
Select the concrete mode of the MME/UPE of service quality optimum to have a lot, for example:
Mode one: eNodeB obtains the current state information of all coupled MME/UPE immediately after receiving the TA update request, and according to state information, therefrom selects the target MME/UPE of MME/UPE after as gravity treatment that satisfies the service quality optimum;
Mode two: the service quality rating table of comparisons is set in eNodeB, the eNodeB cycle obtain all MME/UPE that are connected with self state information (for example: by MME/UPE with parameter timed sending such as self loads to all coupled eNodeB), and according to the state information of each MME/UPE that obtains, determine the service quality rating that MME/UPE can satisfy, the updating service quality grade table of comparisons;
ENodeB after receiving the TA update request, the inquiry service credit rating table of comparisons, the MME/UPE that service quality rating is the highest target MME/UPE after as gravity treatment;
Mode three: determine the service quality rating of each MME/UPE correspondence according to mode two after, eNodeB, stores each MME/UPE in the local priority orders tabulation from high to low or after the sequence arrangement from low to high according to the order of sequence according to its service quality rating that can satisfy;
ENodeB after receiving the TA update request, the target MME/UPE of the MME/UPE that selects to be arranged in the priority orders tabulation first or last after as gravity treatment;
Mode four: in eNodeB also can according in the routing table to the route metric information of each MME/UPE,, obtain the path metric value of eNodeB to all MME/UPE that are connected; ENodeB obtains the state information of each MME/UPE and in conjunction with the respective path metric, determine the service quality rating that each MME/UPE can satisfy, and with MME/UPE and corresponding service quality rating information stores thereof in a local service quality rating table of comparisons;
ENodeB inquires about the above-mentioned service quality rating table of comparisons after receiving the TA update request, the target MME/UPE of the MME/UPE that service quality rating is the highest after as gravity treatment;
Mode five: determine the service quality rating of each MME/UPE correspondence according to mode four after, eNodeB, stores each MME/UPE in the local priority orders tabulation from high to low or after the sequence arrangement from low to high according to the order of sequence according to its service quality rating that can satisfy;
ENodeB after receiving the TA update request, the target MME/UPE of the MME/UPE that selects to be arranged in the priority orders tabulation first or last after as gravity treatment.
In above-mentioned each mode, the state information of MME/UPE includes but not limited to: the UE quantity that is in state of activation that is connected with MME/UPE, the UE quantity that is in idle condition and/or cpu load condition information.
In this step 2, after eNodeB determines target MME/UPE, judge also whether serving MME/UPE of the preceding UE of this target MME/UPE and gravity treatment is same MME/UPE; If not same MME/UPE, continue step 3; If same MME/UPE does not then need to carry out serving MME/UPE gravity treatment, directly finish the gravity treatment flow process.
Step 3, eNodeB send to the target MME/UPE that selects and insert request message.
Step 4, target MME/UPE determine whether to accept to insert request (promptly whether allowing this UE to insert) according to self up-to-date parameter such as load state; If do not allow, then carry out flow process shown in Figure 9 (treating aftermentioned); If accept to insert request, continue step 5.
The serving MME of step 5, target MME/UPE UE before gravity treatment/UPE sends context (Context) transfer request, wherein comprise some necessary information, as the address information of P-TMSI, oldTAI, TLLI (TLLI), old P-TMSI Signature and target MME/UPE.
Serving MME/UPE of UE returns MM Context response message before the step 6, gravity treatment, and the MM Context of UE is transferred to target MME/UPE.
Between step 7, UE and the target MME/UPE, and may carry out a safety certification process between the HSS in target MME/UPE and the network.
After step 8, authentication were passed through, target MME/UPE serving MME/UPE before gravity treatment sent and receives MM context acknowledge message.
Step 9, target MME send data pack protocol (Packet Data Protocol, PDP) Anchor of updating context request in the network of this UE; The address information, termination point of a tunnel sign (TEID), the negotiation (QoS Negotiated) of service quality, service network identification (serving network identity), Cell Global Identity (the Cell Global Identifier that comprise target MME/UPE in the PDP Context request message, CGI) or Service Area Identifier (Serving Area Identity, SAI) and radio access technology types parameters such as (RAT type).
Step 10, Anchor upgrade the content of the PDP Context field (PDP context fields) of this UE, and return PDP Context and upgrade response message, in this response message, comprise TEID, forbid load compression (Prohibit Payload Compression) and APN restriction parameters such as (APN Restriction).
Step 11, target MME/UPE send location update message to HSS.
Step 12, HSS serving MME/UPE before gravity treatment sends canceling position message, may comprise following parameter: international mobile subscriber identification code (International Mobile SubscriberIdentity, IMSI) and the cancellation type (Cancellation Type).
Serving MME/UPE sends the canceling position acknowledge message to HSS before step 13, the gravity treatment.
Step 14a, HSS send user's subscription data to target MME/UPE;
Step 14b, target MME/UPE confirm that UE is the new MM Context (MM context) of UE establishment after being positioned at new route district, and return insertion user data acknowledge message to HSS;
After step 14c, HSS receive confirmation, upgrade acknowledge message to target MME/UPE home position.
Step 15, target MME/UPE send the TA renewal to UE and accept message, comprise new P-TMSI, P-TMSI Signature, parameters such as new TAI.
Step 16, UE return the TA renewal to target MME/UPE and finish message.
UE comprises the steps: owing to the flow chart trigger eNodeB gravity treatment MME/UPE and to select to fail is upgraded as shown in Figure 9 in the position
Step 1-3: identical with step 1-3 in the flow process shown in Figure 8, do not repeat;
Step 4, target MME/UPE determine whether to allow this UE to insert according to self up-to-date parameter such as load state; If court verdict inserts for not allowing, continue step 5;
Step 5, target MME/UPE send refusal to eNodeB and insert message;
The serving MME of step 6, eNodeB UE before gravity treatment/UPE sends the TA update inquiry information;
Serving MME/UPE of UE sends the TA renewal to UE and accepts message before step 7, the gravity treatment, comprises P-TMSI, P-TMSI Signature, parameters such as new TAI;
Step 8, UE serving MME/UPE of UE before gravity treatment returns the TA renewal and finishes message.
In said method of the present invention, serving MME/UPE of UE is arranged in same resource pool before target MME/UPE and the gravity treatment.
In sum, because the gravity treatment of MME/UPE of the present invention is by more new technological process (periodically updating or the UE leap TA border) triggering of normal position by UE, to other flow process of existing network with use without any influence, only need eNodeB to carry out the comparison of each MME/UPE service quality, determine whether to initiate the reuse adoption process of MME/UPE afterwards again by a tabulation of reading the backstage.
Because eNodeB can determine the priority of each MME/UPE that is connected and upgrade tabulation by the backstage cycle, and stronger real-time is arranged, to the not influence of performance of MME/UPE.
Parameters such as the load of MME/UPE only need timed sending to all coupled eNodeB, and eNodeB just can determine the service quality rating of each MME/UPE, realize simple flexibly.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (27)
1. the Mobility Management Entity MME/ user entity UPE gravity treatment system of a user equipment (UE) is applied to evolvement network, it is characterized in that, comprising: base station eNodeB and the MME/UPE that is connected with described base station eNodeB, wherein,
Described base station eNodeB, be used to receive the tracing section updating request message that UE initiates after, with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment; And to described target MME/UPE transmission access request;
Described target MME/UPE is used for the serving MME/UPE of said UE before reselection alternately, obtains the MM Context of described UE; Carry out the position registration updating flow process of described UE, become the serving MME/UPE of described UE after the gravity treatment.
2. the system as claimed in claim 1 is characterized in that, the target MME/UPE that described base station eNodeB is used for after the MME/UPE that is connected with self selects a MME/UPE who satisfies the service quality optimum as gravity treatment specifically comprises:
Described eNodeB is used to obtain the current state information of all coupled MME/UPE, and according to state information, therefrom selects the target MME/UPE of MME/UPE after as gravity treatment that satisfies the service quality optimum.
3. the system as claimed in claim 1, it is characterized in that, described base station eNodeB, also be used for the service quality rating table of comparisons is being set itself, cycle is obtained the state information of all MME/UPE that are connected with self, and determine the service quality rating that corresponding MME/UPE can satisfy according to described state information, upgrade the described service quality rating table of comparisons.
4. system as claimed in claim 3 is characterized in that, described base station eNodeB also is used for according to routing table information the path metric value list being set, and stores the path metric value of described eNodeB to all MME/UPE that are connected; According to state information and the respective path metric of each MME/UPE that obtains, determine the service quality rating that each MME/UPE can satisfy, upgrade the described service quality rating table of comparisons.
5. system as claimed in claim 4, it is characterized in that, described base station eNodeB, also be used for the priority orders tabulation also is being set itself, with described MME/UPE according to its service quality rating that can satisfy from high to low or after the sequence arrangement from low to high, store in the tabulation of described priority orders the target MME/UPE of the MME/UPE that selects to be arranged in the described priority orders tabulation first or last after according to the order of sequence into as gravity treatment.
6. as the described system of the arbitrary claim of claim 2-5, it is characterized in that the state information of described MME/UPE comprises:
The UE quantity that is in state of activation that is connected with described MME/UPE, the UE quantity that is in idle condition and/or CUP load state information.
7. as the described system of the arbitrary claim of claim 1-5, it is characterized in that described base station eNodeB is used to also judge whether serving MME/UPE of described target MME/UPE and the preceding UE of gravity treatment is same MME/UPE; If not same MME/UPE, continue to carry out the described function that sends the request of access to described target MME/UPE; Otherwise, finish the MME/UPE reselection functionality.
8. as the described system of the arbitrary claim of claim 1-5, it is characterized in that described target MME/UPE also is used for judgement and whether accepts to insert request; If accept, continue to carry out the serving MME/UPE interactive function of described target MME/UPE and said UE before reselection; Otherwise, return access-reject message to described eNodeB;
After described eNodeB also was used to receive access-reject message, the serving MME of UE before gravity treatment/UPE sent the tracing section updating request message, carries out conventional tracing section updating function.
9. as the described system of the arbitrary claim of claim 1-5, it is characterized in that,
Described target MME/UPE also is used for the anchor point Anchor of network alternately, upgrades the data pack protocol PDP Context of described UE; Mutual with home subscriber servers HSS in the network, obtain the subscription data of described UE and upgrade positional information; Upgrade to described UE returning tracking district as the serving MME/UPE after the gravity treatment and to accept message, receive the tracing section updating that described UE returns and finish message.
10. as the described system of the arbitrary claim of claim 1-5, it is characterized in that the serving MME/UPE of described target MME/UPE and said UE before reselection is arranged in same resource pool.
11. the Mobility Management Entity MME/ user entity UPE reselecting method of a user equipment (UE) is applied to evolvement network, it is characterized in that, comprising:
Base station eNodeB, receive the tracing section updating request message that UE initiates after, with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment; And to described target MME/UPE transmission access request, so that UE and described target MME/UPE position registration updating flow process.
12. method as claimed in claim 11 is characterized in that, described method comprises:
Described eNodeB obtains the current state information of all coupled MME/UPE, and according to state information, therefrom selects the target MME/UPE of MME/UPE after as gravity treatment that satisfies the service quality optimum.
13. method as claimed in claim 11 is characterized in that, described method also comprises:
The service quality rating table of comparisons is set in described eNodeB, the described eNodeB cycle is obtained the state information of all MME/UPE that are connected with self, and determine the service quality rating that corresponding MME/UPE can satisfy according to described state information, upgrade the described service quality rating table of comparisons;
Described with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment specifically comprise: described eNodeB inquires about the described service quality rating table of comparisons, the target MME/UPE of the MME/UPE that service quality rating is the highest after as gravity treatment.
14. method as claimed in claim 13 is characterized in that, also comprises:
Described eNodeB is provided with the path metric value list according to routing table information, stores the path metric value of described eNodeB to all MME/UPE that are connected;
Described eNodeB determines the service quality rating that each MME/UPE can satisfy according to state information and the respective path metric of each MME/UPE that obtains, upgrades the described service quality rating table of comparisons.
15. method as claimed in claim 14 is characterized in that, also comprises:
Priority orders tabulation also is set in described eNodeB, and described eNodeB, stores described MME/UPE in the described priority orders tabulation from high to low or after the sequence arrangement from low to high according to the order of sequence according to its service quality rating that can satisfy;
Described with MME/UPE that self is connected in target MME/UPE after selecting a MME/UPE who satisfies the service quality optimum as gravity treatment specifically comprise: the target MME/UPE of the MME/UPE that described eNodeB selects to be arranged in the described priority orders tabulation first or last after as gravity treatment.
16., it is characterized in that the state information of described MME/UPE comprises as the described method of the arbitrary claim of claim 12-15:
The UE quantity that is in state of activation that is connected with described MME/UPE, the UE quantity that is in idle condition and/or CUP load state information.
17. as the described method of the arbitrary claim of claim 11-15, it is characterized in that, also comprise:
ENodeB judges whether serving MME/UPE of described target MME/UPE and the preceding UE of gravity treatment is same MME/UPE; If not same MME/UPE, continue to carry out the described flow process that sends the request of access to described target MME/UPE; Otherwise, finish MME/UPE gravity treatment flow process.
18. as the described method of the arbitrary claim of claim 11-15, it is characterized in that, also comprise:
Whether described target MME/UPE judgement accepts to insert request; If accept, continue to carry out the serving MME/UPE interaction flow of described target MME/UPE and said UE before reselection; Otherwise described target MME/UPE returns access-reject message to described eNodeB;
After described eNodeB received access-reject message, the serving MME of UE before gravity treatment/UPE sent the tracing section updating request message, carries out conventional tracing section updating flow process.
19. as the described method of the arbitrary claim of claim 11-15, it is characterized in that, also comprise:
Anchor point Anchor in described target MME/UPE and the network is mutual, upgrades the data pack protocol PDP Context of described UE;
Home subscriber servers HSS is mutual in described target MME/UPE and the network, obtains the subscription data of described UE and upgrades positional information;
Serving MME/the UPE of described target MME/UPE after as gravity treatment upgrades to described UE returning tracking district and accepts message, receives the tracing section updating that described UE returns and finishes message, process ends.
20., it is characterized in that the serving MME/UPE of described target MME/UPE and said UE before reselection is arranged in same resource pool as the described method of the arbitrary claim of claim 11-15.
21. the base station eNodeB of an evolvement network is characterized in that, comprising:
Be used to receive the unit of the tracing section updating request message that UE initiates;
The unit that is used for the target MME/UPE after the MME/UPE that is connected with self selects a MME/UPE who satisfies the service quality optimum as gravity treatment;
Be used for sending the unit of the request of access, so that UE and described target MME/UPE position registration updating flow process to described target MME/UPE.
22. base station as claimed in claim 21 is characterized in that, also comprises:
Be used to obtain the unit of the current state information of all coupled MME/UPE;
The described unit that is used for the target MME/UPE after the MME/UPE that is connected with self selects a MME/UPE who satisfies the service quality optimum as gravity treatment specifically is used for: according to state information, therefrom select the target MME/UPE of MME/UPE after as gravity treatment that satisfies the service quality optimum.
23. base station as claimed in claim 21 is characterized in that, also comprises:
Be used for being provided with the unit of the service quality rating table of comparisons at described eNodeB;
Being used for the cycle obtains the unit of the state information of all MME/UPE that are connected with self;
Be used for determining the service quality rating that corresponding MME/UPE can satisfy, upgrade the unit of the described service quality rating table of comparisons according to described state information;
The described unit that is used for the target MME/UPE after the MME/UPE that is connected with self selects a MME/UPE who satisfies the service quality optimum as gravity treatment specifically is used for: inquire about the described service quality rating table of comparisons, the target MME/UPE of the MME/UPE that service quality rating is the highest after as gravity treatment.
24. base station as claimed in claim 23 is characterized in that, also comprises:
Be used for according to routing table information, the unit of path metric value list is set;
Be used to store the unit of described eNodeB to the path metric value of all MME/UPE that are connected;
Be used for state information and respective path metric, determine the service quality rating that each MME/UPE can satisfy, upgrade the unit of the described service quality rating table of comparisons according to each MME/UPE that obtains.
25. base station as claimed in claim 24 is characterized in that, also comprises:
Be used to be provided with priority orders tabulation, from high to low or after the sequence arrangement from low to high, store described MME/UPE in the described priority orders tabulation unit according to its service quality rating that can satisfy according to the order of sequence;
The described unit that is used for the target MME/UPE after the MME/UPE that is connected with self selects a MME/UPE who satisfies the service quality optimum as gravity treatment specifically is used for: the target MME/UPE after selecting MME/UPE that described priority orders tabulation is arranged in first or last as gravity treatment.
26., it is characterized in that the state information of described MME/UPE comprises as the described base station of the arbitrary claim of claim 22-25:
The UE quantity that is in state of activation that is connected with described MME/UPE, the UE quantity that is in idle condition and/or CUP load state information.
27., it is characterized in that the serving MME/UPE of described target MME/UPE and said UE before reselection is arranged in same resource pool as the described method of the arbitrary claim of claim 21-25.
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| CN 201110097883 CN102170626B (en) | 2006-04-07 | 2006-04-07 | MME (mobility management entity)/UPE (user plane entity) reselection method and system of UE (user equipment) |
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| CN 201110097883 CN102170626B (en) | 2006-04-07 | 2006-04-07 | MME (mobility management entity)/UPE (user plane entity) reselection method and system of UE (user equipment) |
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| CN2006100726466A Division CN101052209B (en) | 2006-04-07 | 2006-04-07 | User's face entity reselecting method for user's equipment mobility managing entity |
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-
2006
- 2006-04-07 CN CN 201110097883 patent/CN102170626B/en not_active Expired - Fee Related
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