CN101448297B - Routing method of combined network elements - Google Patents
Routing method of combined network elements Download PDFInfo
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- CN101448297B CN101448297B CN2008100854162A CN200810085416A CN101448297B CN 101448297 B CN101448297 B CN 101448297B CN 2008100854162 A CN2008100854162 A CN 2008100854162A CN 200810085416 A CN200810085416 A CN 200810085416A CN 101448297 B CN101448297 B CN 101448297B
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Abstract
The invention discloses a routing method of combined network elements. The method comprises the followings steps: step S602: user equipment initiates login or location update to a combined node in a first radio access system, wherein, the combined node comprises a core network element of the first radio access system and a core network element of a second radio access system; step S604: the combined node sends routing information and specific identification thereof to the user equipment, wherein, the specific identification is used for representing that the type of the node which sends the routing information is the combined node; and step S606: when the user equipment moves to the second radio access system and initiates the login or location update in the second radio access system, if the user equipment receives the specific identification at the latest login or location update, the user equipment sends the routing information which is received from the core network element at the latest login or location update to the second radio access system, and the second radio access system searches for the combined node by the routing information.
Description
Technical field
The present invention relates to the communications field, and especially, relate to the method for routing of combined network elements.
Background technology
In before Release 5, (Radio Access Network, RAN) node only allows to be connected to core network (Core Network, CN) node to a Radio Access Network.The problem of doing like this is, as a radio network controller (Radio NetworkController, RNC) with respect to Serving GPRS Support Node (Serving GPRS SupportNode, SGSN) capacity exceeds or when not enough, can cause tangible RNC hardware resource waste; In addition, consider the signaling traffic of network, owing to many SGSN are arranged in a network, the registration update message between a large amount of SGSN can appear when UE moves, and renewal causes at the extra signaling consumption of core net and the signaling consumption of wave point between Xiang Guan SGSN therewith.
For this reason, introduced the IuFlex function in Release 5, as shown in Figure 1, a RNC allows to be connected to all SGSN nodes in the SGSN area pond (SGSN Pool Area).When UE registers in this pond for the first time, the RNC that inserts selects a SGSN according to the principle of load sharing, and register requirement is routed to this SGSN, thereby has guaranteed the load balancing of SGSN in the pond, and, improved the service efficiency of the hardware of RNC with respect to the situation that does not have IuFlex.When the user moved in this pond, because any RNC can both be connected to the SGSN of original user's registration in this pond, SGSN can remain unchanged like this, thereby had reduced the SGSN change and the signaling consumption of the core net that causes.
Because a RNC allows to be connected to SGSN nodes all among the SGSN Pool Area, therefore a problem is exactly when receiving user position update or service request, how position renewal or service request is routed to the last SGSN that registers of user.Solution is as shown in Figure 2:
Step 201, the user inserts RNC, and RNC selects a SGSN, and register requirement is forwarded to this SGSN by load sharing;
Step 202, SGSN finishes user's registration, and the allocation packets casual user identifies, and (Packet-Temporary Mobile Subscriber Identity P-TMSI) gives the user.Contain among this P-TMSI this SGSN of unique identification among this SGSN Pool Area network resource identifier (, Network Resource Identification, NRI), UE preserves this P-TMSI;
Step 203, when the user carries out Routing Area Update or initiates professional the time, UE is at first and set up Radio Resource control between the RNC (Radio Resource Control RRC) connects;
Step 204, UE sends RRC initial direct-sending (RRC-Initial-direct-transfer) message to RNC, comprising Non-Access Stratum signalling route district's update request or service access request in the RRC connection of having set up.(Intra Domain NAS Node Selector, IDNNS) parameter comprise the NRI sign among the P-TMSI in this parameter to have Non-Access Stratum node chooser in the territory in the Access Layer signaling of this message;
Step 205, RNC mates according to this NRI, finds the SGSN that distributes this NRI;
Step 206, RNC is transmitted to selected SGSN with Routing Area Update request or service access request;
In Release 8, introduced grouping system (the Evolved Packet System of evolution, EPS), utilized with IuFlex similar techniques in this system, because Node B (the Evolved NodeB that radio node strengthens, eNodeB) and core net node mobile management nodes (Mobility Management Element, MME) interface between is S1-MME, therefore this technology is called as S1-MME Flex technology, this technology as shown in Figure 3: an eNodeB allows to be connected to all MME nodes in the MME pool area (MME Pool Area).
Fig. 4 has shown and the position has been upgraded or service request is routed to the process of the MME of the last registration of user.
Step 401, the user inserts eNodeB, and eNodeB selects a MME, and register requirement is forwarded to this MME by load sharing;
Step 402, MME finishes user's registration, and distribute global unique temporary identity GUTI (Globally Unique Temporary Identity) to give the user, this GUTI comprises as the lower part: user's national code (Mobile Country Code, MCC), user network number (MobileNetwork Code, MNC), MME pond ID (MME Group ID, MMEGI), the MME number (MME Code, MMEC), the casual user identifies (M-TMSI).Wherein, MMEC can be in this MME pond this MME of unique identification.The combination of MMEGI and MMEC is called as MMEI, can MME of the whole network unique identification.And M-TMSI can be in MME the unique identification user.
The user receives after this GUTI, preserves GUTI;
Step 403, when the user need carry out tracing section updating or initiate business, UE at first sent RRC to eNodeB and connects the request of foundation, wherein has the MMEC that comprises among the GUTI;
Step 404, eNodeB returns UE RRC connection establishment response message;
Step 405, UE sends the RRC connection setup complete message to eNodeB, wherein includes Non-Access Stratum signaling tracing district's update request or service access request.In the Access Layer signaling, also may include GUTI simultaneously.The purpose of this GUTI is in tracing section updating, offers eNodeB and judges whether this user is to enter this MME pond for the first time.Initiate the situation of service request for the user,, must in this pond, register, therefore do not needed this parameter because the user initiates before the service request.ENodeB comes according to the MMEGI that comprises among the GUTI whether interpretation is to enter this MME pond for the first time, if the MMEGI in MMEGI and this pond is different, then explanation is to enter this pond for the first time, and eNodeB need select a MME arbitrarily according to load sharing.If MMEGI is the same with this MMEGI, illustrate the user in this pond a MME registered, so enter step 406.
Step 406, eNodeB mates according to this MMEC, finds and the MME of this MMEC correspondence;
Step 407, eNodeB is transmitted to selected MME with tracing section updating request or service access request;
Because the function class of MME and SGSN seemingly, all is the mobile management node, and casual user's database is all arranged that in realization, MME and SGSN may close and establish, and use identical casual user's database.Such node is called as Combo node (combined joint).For this combined joint, exist a demand to be exactly: if UE initiates registration in a wireless access system, and selected this combined joint, when UE moves to the another one wireless access system, wish the same combined joint of new wireless access system selection afterwards.For example, as shown in Figure 5, when UE inserts by eNodeBj, eNodeBj has selected combined joint MMEi, when the user moved and inserts by RNCj, operator wished that RNCj selects and MMEi SGSNi together, thereby when shared customer data base, can better manage user data concentratedly, and further reduce the signaling consumption of core net.
Yet, propose at present under the user changes the situation of wireless access system, to guarantee to continue to select the technical scheme of combined joint as yet.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, it is a kind of that main purpose of the present invention is to provide, to solve the problem that can't continue to select combined joint under the user changes the situation of wireless access system.
According to embodiments of the invention, provide a kind of method for routing of combined network elements.
This method comprises: step S602, and subscriber equipment is initiated registration or position renewal at first wireless access system to combined joint, and wherein, combined joint comprises the core network element of first wireless access system and the core network element of second wireless access system; Step S604, combined joint sends to subscriber equipment with its routing iinformation and specific identifier, and wherein, the node types that specific identifier is used to represent to send routing iinformation is a combined joint; Step S606, move to second wireless access system and initiate registration or position more under the news at subscriber equipment at second wireless access system, if subscriber equipment has been received specific identifier when the last time registration or position renewal, the routing iinformation of receiving from core network element when then subscriber equipment is with the last time registration or position renewal sends to second wireless access system, and second wireless access system utilizes this routing iinformation to search combined joint.
Wherein, combined joint comprises: mobile management nodes and service universal grouping wireless business supporting node, wherein, one in mobile management nodes and the service universal grouping wireless business supporting node is the core network element of first wireless access system, and another is the core network element of second wireless access system.
And in step S602, subscriber equipment is finished registration or position renewal at the core network element of first wireless access system, and is sent the routing iinformation of combined joint to subscriber equipment by the core network element of first wireless access system.
And, register or position when upgrading in mobile management nodes, global unique temporary identity is distributed to subscriber equipment, wherein comprise the mobile management nodes number of the routing iinformation of representing mobile management nodes; Register or position when upgrading at service universal grouping wireless business supporting node, the casual user that will divide into groups identifies and distributes to subscriber equipment, wherein comprises the network resource identifier of the routing iinformation of representing service universal grouping wireless business supporting node.
Wherein, for combined joint, the mobile management nodes number of mobile management nodes is identical with the value of the network resource identifier of service universal grouping wireless business supporting node.
In addition, in step S606, at subscriber equipment when first wireless access system moves to second wireless access system, if subscriber equipment has been received specific identifier from the core network element of first wireless access system when the last time registration or position renewal, then when initiating registration or position renewal to second wireless access system, subscriber equipment sends to second wireless access system with the routing iinformation of receiving in the last time registration or the position renewal, and second wireless access system is searched combined joint according to routing iinformation.
In addition, in step S606, subscriber equipment sends to second wireless access system by radio resource control information with routing iinformation.
In addition, first wireless access system is eNodeB, and second wireless access system is a radio network controller; Perhaps first wireless access system is a radio network controller, and second wireless access system is eNodeB.
A kind of method for routing of combined network elements is provided according to another embodiment of the present invention.
This method comprises: step S702, and subscriber equipment is initiated registration or position renewal by first wireless access system to network node; Step S704, the network node routing iinformation sends to subscriber equipment, wherein, at network node is under the situation of combined joint, network node further sends to subscriber equipment with specific identifier, and wherein, specific identifier is used to represent that the type of network node is a combined joint; Step S706, move to second wireless access system and initiate registration or position when upgrading at subscriber equipment at second wireless access system, if the network node of the last registration of subscriber equipment is a combined joint, then subscriber equipment routing iinformation that the last time is received sends to second wireless access system, and second wireless access system utilizes routing iinformation to search combined joint; If the network node of the last registration of subscriber equipment is not a combined joint, then subscriber equipment will send to second wireless access system at the routing iinformation that current system is received the last time, and second wireless access system utilizes routing iinformation to search corresponding core network element.
By technique scheme of the present invention, can guarantee that the user succeeds in registration the back when changing wireless access system at combined joint, continue to select combined joint, thereby the convenient management of user data reduces the signaling consumption of core net.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the InFlex of correlation technique;
Fig. 2 is the signaling process figure that selects SGSN according to RNC in the InFlex technology of correlation technique;
Fig. 3 is the schematic diagram according to the S1-MMEFlex of correlation technique;
Fig. 4 is the signaling process figure that selects MME according to eNodeB in the S1-MMEFlex technology of correlation technique;
Fig. 5 is the schematic diagram according to the combined joint of being made up of MME and SGSN of correlation technique;
Fig. 6 is the flow chart according to the method for routing of the combined network elements of the inventive method embodiment one;
Fig. 7 is the flow chart according to the method for routing of the combined network elements of the inventive method embodiment two;
Fig. 8 is the signaling process figure according to the method for routing of the combined network elements of the embodiment of the invention two;
Fig. 9 is the signaling process figure according to the processing example 1 of the method for the embodiment of the invention two; And
Figure 10 is the signaling process figure according to the processing example 2 of the method for the embodiment of the invention two.
Embodiment
Method embodiment one
A kind of method for routing of combined network elements is provided in the present embodiment.
As shown in Figure 6, method for routing according to the combined network elements of present embodiment comprises: step S602, subscriber equipment is initiated registration or position renewal at first wireless access system to combined joint, wherein, combined joint comprises the core network element of first wireless access system and the core network element of second wireless access system; Step S604, combined joint sends to subscriber equipment with its routing iinformation and specific identifier, and wherein, the node types that specific identifier is used to represent to send routing iinformation is a combined joint; Step S606, move to second wireless access system and initiate registration or position more under the news at subscriber equipment at second wireless access system, if subscriber equipment has been received specific identifier when the last time registration or position renewal, the routing iinformation of receiving from core network element when then subscriber equipment is with the last time registration or position renewal sends to second wireless access system, and second wireless access system utilizes this routing iinformation to search combined joint.
Wherein, combined joint comprises: mobile management nodes and service universal grouping wireless business supporting node, wherein, one in mobile management nodes and the service universal grouping wireless business supporting node is the core network element of first wireless access system, and another is the core network element of second wireless access system.
And in step S602, subscriber equipment is finished registration or position renewal at the core network element of first wireless access system, and is sent the routing iinformation of combined joint to subscriber equipment by the core network element of first wireless access system.
And, register or position when upgrading in mobile management nodes, global unique temporary identity is distributed to subscriber equipment, wherein comprise the mobile management nodes number of the routing iinformation of representing mobile management nodes; Register or position when upgrading at service universal grouping wireless business supporting node, the casual user that will divide into groups identifies and distributes to subscriber equipment, wherein comprises the network resource identifier of the routing iinformation of representing service universal grouping wireless business supporting node.
Wherein, for combined joint, the mobile management nodes number of mobile management nodes is identical with the value of the network resource identifier of service universal grouping wireless business supporting node.
In addition, in step S606, at subscriber equipment when first wireless access system moves to second wireless access system, if subscriber equipment has been received specific identifier from the core network element of first wireless access system when the last time registration or position renewal, then when initiating registration or position renewal to second wireless access system, subscriber equipment sends to second wireless access system with the routing iinformation of receiving in the last time registration or the position renewal, and second wireless access system is searched combined joint according to routing iinformation.
In addition, in step S606, subscriber equipment sends to second wireless access system by radio resource control information with routing iinformation.
In addition, first wireless access system is eNodeB, and second wireless access system is a radio network controller; Perhaps first wireless access system is a radio network controller, and second wireless access system is eNodeB.
Method embodiment two
A kind of method for routing of combined network elements is provided in the present embodiment.
As shown in Figure 7, comprise according to the method for routing of the combined network elements of present embodiment: step S702, subscriber equipment is initiated registration or the position is upgraded by first wireless access system to network node; Step S704, the network node routing iinformation sends to subscriber equipment, wherein, at network node is under the situation of combined joint, network node further sends to subscriber equipment with specific identifier, and wherein, specific identifier is used to represent that the type of network node is a combined joint; Step S706, move to second wireless access system and initiate registration or position when upgrading at subscriber equipment at second wireless access system, if the network node of the last registration of subscriber equipment is a combined joint, then subscriber equipment routing iinformation that the last time is received sends to second wireless access system, and second wireless access system utilizes routing iinformation to search combined joint; If the network node of the last registration of subscriber equipment is not a combined joint, then subscriber equipment will send to second wireless access system at the routing iinformation that current system is received the last time, and second wireless access system utilizes routing iinformation to search corresponding core network element.
Fig. 8 is the signaling process figure of this method.As shown in Figure 8, specifically comprise following processing:
Step 801, the user initiates registration or position updating request by wireless system to combined joint;
Step 802, combined joint distributes casual user's sign after finishing user's registration or position renewal, comprise the routing iinformation of this combined joint of unique identification in this casual user's sign.Combined joint is the indication of combined joint with casual user's sign and this core net node of sign, tells UE in registration or position renewal response;
Follow-up, when UE moves to another one wireless access system following time, if not registration of present position-region then will be initiated position updating process at the current wireless connecting system.If UE has been known the core net node of the last registration from step 802 be combined joint, the casual user's sign that then obtains from the last registration process is obtained routing iinformation, and this routing iinformation is sent to current wireless system.The current wireless system utilizes this routing iinformation, finds the combined joint of the last registration;
If UE has been known the core net node of the last registration from step 802 be not combined joint, the casual user's sign that then from the last this wireless access system registration process, obtains, obtain routing iinformation, and this routing iinformation is sent to current wireless system.The current wireless system utilizes this routing iinformation, finds the combined joint of the last registration of this wireless access system.
Below in conjunction with instantiation the present invention is described.
Example 1
In this example, UE registers in MME1 and SGSN1, moves to then under the combined joint MME2/SGSN2, registers in MME2 earlier and then registers in SGSN2.Among this embodiment, the MMEC2 that combined joint MME2 partly distributes is identical with the NRI2 that SGSN2 distributes.As shown in Figure 9, specifically can comprise following processing procedure:
Step 901, UE at first registers in MME1;
Step 902, MME1 will identify GUTI1 to the casual user that the user distributes and issue the UE preservation.The MMEC1 that contains unique identification MME1 among the GUTI1;
Step 903, UE registers in SGSN1;
Step 904, SGSN1 will identify P-TMSI1 to the casual user that the user distributes and issue the UE preservation, contain the NRI1 of unique identification SGSN1 among the P-TMSI1;
Step 905, the user moves under the new eNodeB, carries out the tracing section updating process.UE at first sends RRC to eNodeB and connects the request of foundation, wherein has the MMEC1 that comprises among the GUTI1;
Step 906, eNodeB returns UE RRC connection establishment response message;
Step 907, UE sends the RRC connection setup complete message to eNodeB, wherein includes Non-Access Stratum signaling tracing district update request;
Step 908, eNodeB selects MME by the MMEC1 that the user brings up.Because eNodeB can not find suitable MME according to MMEC1, so according to load sharing, select a core net node, eNodeB will select combined joint MME2/SGSN2 here;
Step 909, eNodeB is forwarded to this combined joint MME2/SGSN2 with the tracing section updating request;
Step 910, MME2 finishes user registration course.MME2 returns in the UE tracking renewal response and has the GUTI2 of MME2 distribution and the indication of a combined joint, the MMEC2 that contains this combined joint of unique identification among the GUTI2, the combined joint indication tells that UE, this core net node are combined joints, and UE preserves GUTI2 and this combination indication;
Step 911, dual-mode terminal continue to move under the new RNC, if the not registration of current route district, UE will initiate the Routing Area Update request.If the last registration knows that network side is not a combined joint, then obtain NRI1 among the P-TMSI 1 that UE the last time distributes from the registration of RNC wireless access system, select the routing iinformation of core net node as RNC, can guarantee that like this RNC can choose SGSN1 (that is, utilizing the routing iinformation that receives recently to carry out route) in current wireless connecting system (RNC system).If the last registration knows that network side is a combined joint, then obtain MMEC2 among the GUTI2 that UE distributes from the last time registration, select the routing iinformation of core net node as RNC;
Step 912, UE is at first and set up RRC between the RNC and connect;
Step 913, UE sends the RRC initial direct-sending message to RNC, comprising Non-Access Stratum signalling route district update request in the RRC connection of having set up.In the Access Layer signaling of this message, have in the territory Non-Access Stratum node select (Intra Domain NAS NodeSelector, IDNNS) parameter comprises MMEC2 in this parameter;
Step 914, RNC mates according to MMEC2, because MMEC2 is identical with NRI2, therefore can guarantee that RNC can find combined joint MME2/SGSN2;
Step 915, RNC is forwarded to combined joint MME2/SGSN2 with the Routing Area Update request.
Wherein, in step 911, whether UE need be combined joint according to the core net node of the last time registration, selects to obtain from which temporary mark the routing iinformation of core net.If combined joint, then the temporary mark that distributes from the last enrollment process generates routing iinformation, and if not combined joint, then the temporary mark that distributes from current wireless connecting system enrollment process from the last time generates routing iinformation.
In step 914,, therefore can guarantee that RNC can also can match this combined joint MME2/SGSN2 according to MMEC2 because the MMEC2 of combined joint is identical with NRI2.
Example 2
In this example, UE registers in MME1 and SGSN1, moves to then under the combined joint MME2/SGSN2, registers in SGSN2 earlier and then registers in MME2.Equally, in this example, the NRI2 that MMEC2 that combined joint MME2 distributes and SGSN2 distribute equates.As shown in figure 10, in this case, specifically comprise following processing procedure:
Step 1001, UE at first registers in MME1;
Step 1002, MME1 will identify GUTI1 to the casual user that the user distributes and issue the UE preservation, contain the MMEC1 of unique identification MME1 among the GUTI1;
Step 1003, UE registers in SGSN1;
Step 1004, SGSN1 will identify P-TMSI1 to the casual user that the user distributes and issue the UE preservation, contain the NRI1 of unique identification SGSN1 among the P-TMSI1;
Step 1005, dual-mode terminal move under the new RNC, will initiate the Routing Area Update request, and UE at first and set up RRC between the RNC and connect;
Step 1006, UE sends the RRC initial direct-sending message to RNC, comprising Non-Access Stratum signalling route district update request in the RRC connection of having set up.In the Access Layer signaling of this message, have the IDNNS parameter, comprise NRI1 in this parameter;
Step 1007, RNC selects SGSN by the NRI1 that the user brings up.Because RNC can not match SGSN1 according to NRI1, then according to load sharing, selects a core net node, RNC will select combined joint MME2/SGSN2 here;
Step 1008, RNC is forwarded to this combined joint MME2/SGSN2 with the routing update request;
Step 1009, SGSN2 finishes user registration course.SGSN2 returns UE routing update response, wherein has the P-TMSI2 of SGSN2 distribution and the indication of a combined joint.The NRI2 that contains this combined joint of unique identification among the P-TMSI2, the combined joint indication tells that UE, this core net node are combined joints.UE preserves P-TMSI2 and this combination indication;
Step 1010, dual-mode terminal continue to move under the new eNodeB, if the not registration of current tracking area, UE is with the initiating updating of tracking area request.If the last registration knows that network side is not a combined joint, then obtain MMEC1 among the GUTI1 that UE the last time distributes from the registration of eNodeB wireless access system, routing iinformation as eNodeB selection core net node can guarantee that like this eNodeB can choose MME1.If the last registration knows that network side is a combined joint, then obtain NRI2 among the P-TMSI2 that UE distributes from the last time registration, select the routing iinformation of core net node as eNodeB;
Step 1011, UE at first sends RRC to eNodeB and connects the request of foundation, wherein has NRI2;
Step 1012, eNodeB returns UE RRC connection establishment response message;
Step 1013, UE sends the RRC connection setup complete message to eNodeB, wherein includes Non-Access Stratum signaling tracing district update request;
Step 1014, eNodeB mates according to NRI2.Because MMEC2 is identical with NRI2, therefore can guarantee that eNodeB can find combined joint MME2/SGSN2;
Step 1015, eNodeB is forwarded to combined joint MME2/SGSN2 with the tracing section updating request.
As can be seen, when system inserted, therefore only registration or registration in this system do not need in the combined joint inside between the system mutual the user, and combined joint does not need to do the mapping of route district and tracking area yet.Issue casual user's sign that a band native system distributes in the registration of UE or the register response, and the mark of a combined joint, influence little to existing standard registration and enrollment process.Than existing scheme, give terminal owing to only pass a temporary mark, saved space interface signaling.
In sum,, can guarantee that the user succeeds in registration the back when changing wireless access system at combined joint, continue to select combined joint, thereby the convenient management of user data reduces the signaling consumption of core net by means of technical scheme of the present invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the method for routing of a combined network elements is characterized in that, comprising:
Step S602, subscriber equipment is initiated registration or position renewal at first wireless access system to combined joint, and wherein, described combined joint comprises the core network element of described first wireless access system and the core network element of second wireless access system;
Step S604, described combined joint sends to described subscriber equipment with its routing iinformation and specific identifier, and wherein, the node types that described specific identifier is used to represent to send described routing iinformation is a combined joint;
Step S606, move to described second wireless access system and initiate registration or position more under the news at described subscriber equipment at described second wireless access system, if described subscriber equipment has been received specific identifier when the last time registration or position renewal, the routing iinformation of receiving from core network element when then described subscriber equipment upgrades described the last registration or position sends to described second wireless access system, and described second wireless access system utilizes this routing iinformation to search described combined joint.
2. method according to claim 1, it is characterized in that, described combined joint is a core network element, comprise: mobile management nodes and service universal grouping wireless business supporting node, wherein, one in described mobile management nodes and the described service universal grouping wireless business supporting node is the core network element of described first wireless access system, and another is the core network element of described second wireless access system.
3. method according to claim 2, it is characterized in that, in described step S602, described subscriber equipment is finished described registration or the renewal of described position at the core network element of described first wireless access system, and is sent the routing iinformation of described combined joint to described subscriber equipment by the core network element of described first wireless access system.
4. method according to claim 3, it is characterized in that, when described mobile management nodes is carried out described registration or the renewal of described position, global unique temporary identity is distributed to described subscriber equipment, wherein comprise the mobile management nodes number of the routing iinformation of representing described mobile management nodes.
5. method according to claim 3, it is characterized in that, when described service universal grouping wireless business supporting node carries out described registration or the renewal of described position, the casual user's sign of will dividing into groups is distributed to described subscriber equipment, wherein comprises the network resource identifier of the routing iinformation of representing described service universal grouping wireless business supporting node.
6. method according to claim 4 is characterized in that, for described combined joint, the mobile management nodes number of described mobile management nodes is identical with the value of the network resource identifier of described service universal grouping wireless business supporting node.
7. method according to claim 5 is characterized in that, for described combined joint, the mobile management nodes number of described mobile management nodes is identical with the value of the network resource identifier of described service universal grouping wireless business supporting node.
8. method according to claim 1, it is characterized in that, in described step S606, at described subscriber equipment when described first wireless access system moves to described second wireless access system, if described subscriber equipment has been received described specific identifier from the core network element of described first wireless access system when the last time registration or position renewal, then when initiating registration or position renewal to described second wireless access system, described subscriber equipment sends to described second wireless access system with the routing iinformation of receiving in the last time registration or the position renewal, and described second wireless access system is searched described combined joint according to described routing iinformation.
9. method according to claim 8 is characterized in that, in described step S606, described subscriber equipment sends to described second wireless access system by radio resource control information with described routing iinformation.
10. according to each described method in the claim 1 to 9, it is characterized in that described first wireless access system is eNodeB, described second wireless access system is a radio network controller; Perhaps described first wireless access system is a radio network controller, and described second wireless access system is eNodeB.
11. the method for routing of a combined network elements is characterized in that, comprising:
Step S702, subscriber equipment is initiated registration or position renewal by first wireless access system to network node;
Step S704, described network node routing iinformation sends to described subscriber equipment, wherein, at described network node is under the situation of combined joint, described network node further sends to specific identifier described subscriber equipment, wherein, described specific identifier is used to represent that the type of described network node is a combined joint;
Step S706, move to second wireless access system and initiate registration or position when upgrading at described subscriber equipment at described second wireless access system, if the network node of the last registration of described subscriber equipment is a combined joint, the routing iinformation that then described subscriber equipment is received described the last time sends to described second wireless access system, and described second wireless access system utilizes described routing iinformation to search described combined joint; If the described network node of the last registration of described subscriber equipment is not a combined joint, then described subscriber equipment will send to described second wireless access system at the routing iinformation that current system is received the last time, and described second wireless access system utilizes routing iinformation to search corresponding core network element.
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| CN101035308A (en) * | 2006-03-09 | 2007-09-12 | 华为技术有限公司 | Radio communication system and mobility management method |
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