CN101047960A - Implementing of reattachment in radio evolution network - Google Patents
Implementing of reattachment in radio evolution network Download PDFInfo
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- CN101047960A CN101047960A CNA2006100670649A CN200610067064A CN101047960A CN 101047960 A CN101047960 A CN 101047960A CN A2006100670649 A CNA2006100670649 A CN A2006100670649A CN 200610067064 A CN200610067064 A CN 200610067064A CN 101047960 A CN101047960 A CN 101047960A
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Abstract
This invention discloses a realization method for re-adhesion in a radio evolution network including: a, a source mobile management entity/user side entity generates limit information for re-adhering user devices and instructs them to be adhered, b, a user device sends an adhesion request message to an evolved radio access network in terms of the instruction, c, the network transfers the adhesion message to a target mobile management eitity/user side entity based on the limit information, d, the user device is adhered to the target mobile management entity/user side entity.
Description
Technical field
The present invention relates to the processing method of adhering to again in the evolution technology of mobile communication system, particularly evolution technology.
Background technology
UMTS (Universal Mobile Telecommunications System, universal mobile telecommunications system) system has adopted and the similar structure of second generation mobile communication system, comprise RAN (Radio AccessNetwork, wireless access network) and CN (Core Network, core net) with UE (User Equipment, subscriber equipment).Wherein, UTRAN comprises one or several RNS (Radio Network Subsystem, RNS), and a RNS is made up of a RNC (Radio Network Controller, radio network controller) and one or more Node B (B node).
The above network architecture is based on the 3GPP Re16 framework of version in the past, consider the competitiveness of future network, 3GPP is studying a kind of brand-new evolution network framework to satisfy following mobile network's application demand, comprise SAE (System Architecture Evolution, System Architecture Evolution) and the LTE of Access Network (Long Term Evolution, Long Term Evolution), wherein the Access Network of evolution is called E-UTRAN (Evolved UTRAN, the UTRAN of evolution).The target of network evolution provides a kind of low time delay, high data rate, high power system capacity and high covering, low-cost, complete IP-based network.Because the LTE of SAE and Access Network is a kind of brand-new network architecture, substantial variation all will take place in all nodes, function and the flow process of therefore existing framework.
Miscellaneous service and the service of using network to provide is provided UE, must at first register to network, and this process is called network attachment, that is: Attachment.But the MME/UPE (Mobility Management Entity/User Plane Entity, Mobility Management Entity/user entity) that has adhered to UE is owing to a variety of causes,, O﹠amp overweight as load; M (Operation and Maintenance, operation and maintenance) on request or the topology better MME/UPE etc. is arranged, can initiate to require UE to be attached to the process of other MME/UPE again by network, that is: Re-Attachment, this flow process proposes in the SA2#50 meeting, Attach flow process that it is multiplexing, idiographic flow comprises the steps: as shown in Figure 1
Step 101, source MME/UPE sends Attach Request message again to UE, and request UE adheres to again;
Step 102, under the situation that network is shared, UE is by obtaining optional SAE/LTE connecting system alternately with eRAN (Evolved RAN, evolution Radio Access Network), and selects connecting system and network;
Step 103, UE sends Attach Request message to target MME/UPE, comprises old log-on message (as P-TMSI) or permanent user ID in this message, also comprises the information of default IP access bearer aspect, as the IP address and the APN of user's first-selection;
Step 104 has comprised former P-TMSI if adhere in the message, target MME/UPE asks other old log-on message to source MME/UPE, to obtain user profile;
Step 105, source MME/UPE sends other old log-on message to target MME/UPE, as permanent user ID etc.;
Step 106, target MME/UPE and UE and HSS (Home Subscriber Server, home signature user server) carry out alternately the user being carried out authentication;
Step 107, after authentication was passed through, target MME/UPE sent registration message to HSS;
Step 108 after HSS receives registration message, with source MME/UPE interactive information, is designated this UE about the information of this subscriber equipment or in the MME/UPE of source among the deletion source MME/UPE and does not exist;
Step 109, HSS sends registration confirmation message to target MME/UPE, comprises the user contracting data that is used to authorize default IP access bearer, the strategy and the charging control information of default IP access bearer in this message;
Step 110, target MME/UPE selects anchor point between connecting system;
Step 111, by anchor point between UE or target MME/UPE and connecting system (Inter AS Anchor) mutual (situation shown in Fig. 1 is initiated for target MME/UPE), use the IP address configuration of IP layer of having determined, set up user's face, and application defaults strategy and charging regulation;
Step 112, target MME/UPE provides the QoS of default IP access bearer to dispose to eRAN, such as the upper limit of message transmission rate;
Step 113, target MME/UPE sends to adhere to UE and accepts message, accepts the network attachment of UE, and this message comprises P-TMS and the definite IP address that target MME/UPE distributes;
Step 114, UE sends to target MME/UPE and adheres to success message, confirms the network attachment success.
Above-mentioned flow process is the flow chart when not introducing S1-flex (or Iu-flex) mechanism.After introducing S1-flex (or Iu-flex) mechanism, owing to there is a MME/UPE pond, in step 103, UE comprises the parameters such as old P-TMSI that are kept among the UE in the Attach Request message that eRAN sends, because this P-TMSI is distributed by source MME/UPE, NRI wherein points to source MME/UPE, therefore eRAN can register by selection source MME/UPE after receiving this Attach Request message, but the original idea of Re-Attachment is to register to other target MME/UPE, certainly will cause like this and adhere to time-delay again, and the load of increase network, deviate from mutually with the target of network evolution.
Summary of the invention
The object of the present invention is to provide realization method for re-adhesion in a kind of wireless evolution network, make eRAN directly Attach Request message is forwarded to target MME/UPE, reduce again the time delay of attachment flow, alleviate network load.
To achieve these goals, the invention provides realization method for re-adhesion in a kind of wireless evolution network, comprising:
Step a, source Mobility Management Entity/user entity produces the restricted information that subscriber equipment adheres to again, and the indication subscriber equipment adheres to again;
Step b, subscriber equipment sends Attach Request message according to the indication of source Mobility Management Entity/user entity to the wireless access network of evolution;
Step c, the wireless access network of evolution directly is forwarded to target mobility management entity/user entity according to restricted information with Attach Request message;
Steps d, subscriber equipment is attached to target mobility management entity/user entity.
Above-mentioned implementation method, wherein, restricted information is the packet TMSI of target mobility management entity/user entity or the ID of target mobility management entity/user entity, wherein:
Among the step a, lighter Mobility Management Entity/the user entity of source Mobility Management Entity/user entity and contiguous load obtains the packet TMSI or the ID of target mobility management entity/user entity alternately, and the packet TMSI of target mobility management entity/user entity or ID be included in again in the Attach Request message send to subscriber equipment;
Among the step b, subscriber equipment is included in the wireless access network that sends to evolution in the Attach Request message with the packet TMSI or the ID of target mobility management entity/user entity.
Above-mentioned implementation method, wherein, restricted information is that the source Mobility Management Entity/user entity of source Mobility Management Entity/user entity broadcasting is about to the unavailable information of subscriber equipment.
Above-mentioned implementation method, wherein,
Among the step a, source Mobility Management Entity/user entity is about to unavailable to subscriber equipment to subscriber equipment broadcast source Mobility Management Entity/user entity;
Among the step b, subscriber equipment comprises the Attach Request message of source Mobility Management Entity/user entity to the unavailable information of this subscriber equipment to the wireless access network transmission of evolution;
Among the step c, the wireless access network of evolution is found source Mobility Management Entity/user entity to the unavailable information of this subscriber equipment, selects to transmit Attach Request message to target mobility management entity/user entity.
Above-mentioned implementation method, wherein,
Among the step a, source Mobility Management Entity/user entity will be soon unavailable to subscriber equipment to the wireless access network broadcast source Mobility Management Entity/user entity of evolution, and send Attach Request message again to subscriber equipment;
Among the step c, the wireless access network reception sources Mobility Management Entity/user entity of evolution is about to be designated unavailable for this subscriber equipment available to revising source Mobility Management Entity/user entity after the unavailable information of subscriber equipment, and after receiving Attach Request message select target Mobility Management Entity/user entity, and transmit Attach Request message to target mobility management entity/user entity.
Above-mentioned implementation method, wherein, restricted information is to make the wireless access network of evolution think that subscriber equipment is the information of the new subscriber equipment that inserts, wherein,
Among the step a, source Mobility Management Entity/user entity sends Attach Request message again to subscriber equipment, this again Attach Request message comprise that the wireless access network that makes evolution thinks that subscriber equipment is the information of the new subscriber equipment that inserts;
Among the step b, subscriber equipment sends Attach Request message to the wireless access network of evolution, and this Attach Request message comprises that the wireless access network that makes evolution thinks that subscriber equipment is the information of the new subscriber equipment that inserts;
Among the step c, the wireless access network of evolution thinks that this subscriber equipment is the new subscriber equipment that inserts, select target Mobility Management Entity/user entity, and transmit this Attach Request message to target mobility management entity/user entity.
Above-mentioned implementation method wherein, makes the wireless access network of evolution think that subscriber equipment is that the information of the new subscriber equipment that inserts is the identification code that international mobile subscriber identity maybe can not identify the Mobility Management Entity/user entity in this territory.
Above-mentioned implementation method, wherein, among the step c, the wireless access network of evolution utilizes load balancing mechanism select target Mobility Management Entity/user entity.
Above-mentioned implementation method, wherein, under the situation that network is shared, may also comprise step at subscriber equipment before the wireless access network of evolution sends Attach Request message: subscriber equipment obtains optional System Architecture Evolution/long term evolution access system alternately by the wireless access network with evolution, and selects connecting system and network.
After introducing S1-flex (or Iu-flex) mechanism, realization method for re-adhesion makes eRAN directly Attach Request message is forwarded to target MME/UPE when transmitting Attach Request message by using restricted information in the wireless evolution network of the present invention, reduce again the time delay of attachment flow effectively, alleviated network load.
Description of drawings
Fig. 1 is the existing schematic flow sheet that adheres to again of wireless evolution network;
Fig. 2 is the part schematic flow sheet of the first embodiment of the present invention;
Fig. 3 is the part schematic flow sheet of the second embodiment of the present invention;
Fig. 4 is the part schematic flow sheet of the third embodiment of the present invention;
Fig. 5 is the part schematic flow sheet of the fourth embodiment of the present invention.
Embodiment
Realization method for re-adhesion in the wireless evolution network of the present invention, be mainly used under the mechanism of S1-flex (or Iu-flex), make UE be attached to target MME/UPE again, produce the restricted information that subscriber equipment adheres to again by source MME/UPE, according to restricted information the Attach Request message that UE sends is transmitted to target MME/UPE by eRAN, carries out follow-up attachment flow again.
This restricted information can be that source MME/UPE is about to the P-TMSI of unavailable information, target MME/UPE, the ID of target MME/UPE, or makes eRAN think that UE is the information that newly inserts subscriber equipment.
Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are respectively the part schematic flow sheet of different embodiments of the invention, and the part flow process unlike the prior art of wherein only having drawn does not then illustrate in the drawings with the identical flow process of prior art.
Restricted information in the wireless evolution network of the present invention among first of realization method for re-adhesion kind of embodiment is the P-TMSI of target MME/UPE or the ID of target MME/UPE, source MME/UPE obtains this P-TMSI or ID alternately by the target MME/UPE lighter with being close to load, and send to UE by Attach Request message again, UE is after receiving again Attach Request message, wherein restricted information (ID of the P-TMSI of target MME/UPE or target MME/UPE) is included in sends to eRAN in the Attach Request message, eRAN receives and according to restricted information (ID of the P-TMSI of target MME/UPE or target MME/UPE) this Attach Request message is transmitted to target MME/UPE behind the Attach Request message and carries out follow-up attachment flow again.
As shown in Figure 2, specifically may further comprise the steps of first kind of embodiment of the present invention:
Step 201, source MME/UPE obtains the P-TMSI of target MME/UPE or the ID of target MME/UPE alternately by the target MME/UPE lighter with being close to load;
Step 202, source MME/UPE sends Attach Request message again to UE, and this comprises the P-TMSI of target MME/UPE or the ID of target MME/UPE in Attach Request message again;
Step 203, UE is included in the ID of the P-TMSI of target MME/UPE or target MME/UPE and sends to eRAN in the Attach Request message, also comprises the information (as the IP address and the APN of user's first-selection) of old log-on message (as P-TMSI), permanent user ID or default IP access bearer aspect in this message;
Step 204, eRAN is transmitted to target MME/UPE according to the P-TMSI of target MME/UPE or the ID of target MME/UPE with this Attach Request message;
Step 205 has comprised former P-TMSI if adhere in the message, target MME/UPE asks other old log-on message to source MME/UPE, to obtain user profile;
Step 206, source MME/UPE sends other old log-on message to target MME/UPE, as permanent user ID etc.;
Step 207, target MME/UPE and UE and HSS carry out alternately the user being carried out authentication;
Step 208, after authentication was passed through, target MME/UPE sent registration message to HSS;
Step 209 after HSS receives registration message, with source MME/UPE interactive information, is designated this UE about the information of this subscriber equipment or in the MME/UPE of source among the deletion source MME/UPE and does not exist;
Step 210, HSS sends registration confirmation message to target MME/UPE, comprises the user contracting data that is used to authorize default IP access bearer, the strategy and the charging control information of default IP access bearer in this message;
Step 211, target MME/UPE selects anchor point between connecting system;
Step 212, mutual by anchor point between UE or target MME/UPE and connecting system, use the IP address configuration of IP layer of having determined, set up user's face, and application defaults strategy and charging regulation;
Step 213, target MME/UPE provides the QoS of default IP access bearer to dispose to eRAN, such as the upper limit of message transmission rate;
Step 214, target MME/UPE sends to adhere to UE and accepts message, accepts the network attachment of UE, and this message comprises P-TMS that target MME/UPE distributes and the IP address of having determined;
Step 215, UE sends to target MME/UPE and adheres to success message, confirms the network attachment success.
First kind of above-mentioned embodiment is applicable to the Re-Attachment that a variety of causes causes, and owing to use P-TMSI to initiate the Attach process, fail safe is fine.
To be source MME/UPE be about to certain (or some) unavailable information of UE to the source MME/UPE of eRAN broadcasting restricted information in the wireless evolution network of the present invention among second of realization method for re-adhesion kind of embodiment, as shown in Figure 3, specifically may further comprise the steps of second kind of embodiment of the present invention:
Step 301, source MME/UPE is about to unavailable to certain or certain user's equipment to eRAN broadcast source MME/UPE, and eRAN revises source MME/UPE and is designated unavailable for this subscriber equipment available;
Step 302, source MME/UPE sends Attach Request message again to UE;
Step 303, UE is by obtaining optional SAE/LTE connecting system alternately with eRAN (Evolved RAN, evolution Radio Access Network), and selects connecting system and network;
Step 304, UE sends Attach Request message to eRAN;
Step 305, unavailable because source MME/UPE is designated for this subscriber equipment available, eRAN select target MME/UPE, and transmit Attach Request message to this target MME/UPE;
Subsequent step and step 205～step 214 is identical, does not repeat them here.
During above-mentioned flow process was described, step 303 was optionally, as: under the situation that network is shared, need to carry out this step operation.
The application scenarios of second kind of embodiment of the present invention can be the overweight or O﹠amp of load; The situation of M request; If second kind of embodiment of the present invention is applied to the UE of Dormant state or the non-delay sensitive business of Active, will can not cause service disconnection.
To be source MME/UPE be about to its unavailable information to the source MME/UPE of certain (or some) UE broadcasting restricted information in the wireless evolution network of the present invention among the third embodiment of realization method for re-adhesion, as shown in Figure 4, specifically may further comprise the steps of the third embodiment of the present invention:
Step 401, source MME/UPE is about to unavailable to certain or certain user's equipment to UE broadcast source MME/UPE;
Step 402, UE is by obtaining optional SAE/LTE connecting system alternately with eRAN, and selects connecting system and network;
Step 403, UE sends Attach Request message to eRAN, comprises in this Attach Request message that source MME/UPE is to the unavailable information of this subscriber equipment;
Step 404, owing to comprised source MME/UPE to the unavailable information of this subscriber equipment, eRAN select target MME/UPE, and to this target MME/UPE forwarding Attach Request message;
Subsequent step and step 205～step step 214 is identical, does not repeat them here.
During above-mentioned flow process was described, step 403 was optionally, as: under the situation that network is shared, need to carry out this step operation.
Restricted information in the wireless evolution network of the present invention among the 4th of realization method for re-adhesion the kind of embodiment is to make eRAN think that UE is the information of the new UE that inserts, ((InternationalMobile Subscriber Identifier, international mobile subscriber identity) information or other can not identify the identification code of the Mobility Management Entity/user entity in this territory as the IMSI of UE equipment.
Be that example is elaborated to the 4th kind of embodiment of the present invention with IMSI information below, as shown in Figure 5, specifically comprise the steps:
Step 501, source MME/UPE sends Attach Request message again to UE, and this request message requires subscriber equipment to use IMSI to initiate attaching process;
Step 502, UE is by obtaining optional SAE/LTE connecting system alternately with eRAN, and selects connecting system and network;
Step 503, UE is included in IMSI and sends to eRAN in the Attach Request message;
Step 504, eRAN thinks that according to IMSI this is a new UE who inserts, and utilizes load balancing mechanism to select suitable (as: load is a lighter) target MME/UPE to transmit this Attach Request message, simultaneously;
Subsequent step and step 205～step step 214 is identical, does not repeat them here.
During above-mentioned flow process was described, step 502 was optionally, as: under the situation that network is shared, need to carry out this step operation.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. realization method for re-adhesion in the wireless evolution network comprises:
Step a, source Mobility Management Entity/user entity produces the restricted information that subscriber equipment adheres to again, and the indication subscriber equipment adheres to again;
Step b, subscriber equipment sends Attach Request message according to the indication of source Mobility Management Entity/user entity to the wireless access network of evolution;
Step c, the wireless access network of evolution directly is forwarded to target mobility management entity/user entity according to restricted information with Attach Request message;
Steps d, subscriber equipment is attached to target mobility management entity/user entity.
2. implementation method according to claim 1 is characterized in that, restricted information is the packet TMSI of target mobility management entity/user entity or the ID of target mobility management entity/user entity, wherein:
Among the step a, lighter Mobility Management Entity/the user entity of source Mobility Management Entity/user entity and contiguous load obtains the packet TMSI or the ID of target mobility management entity/user entity alternately, and the packet TMSI of target mobility management entity/user entity or ID be included in again in the Attach Request message send to subscriber equipment;
Among the step b, subscriber equipment is included in the wireless access network that sends to evolution in the Attach Request message with the packet TMSI or the ID of target mobility management entity/user entity.
3. implementation method according to claim 1 is characterized in that, restricted information is that the source Mobility Management Entity/user entity of source Mobility Management Entity/user entity broadcasting is about to the unavailable information of subscriber equipment.
4. implementation method according to claim 3 is characterized in that:
Among the step a, source Mobility Management Entity/user entity is about to unavailable to subscriber equipment to subscriber equipment broadcast source Mobility Management Entity/user entity;
Among the step b, subscriber equipment comprises the Attach Request message of source Mobility Management Entity/user entity to the unavailable information of this subscriber equipment to the wireless access network transmission of evolution;
Among the step c, the wireless access network of evolution is found source Mobility Management Entity/user entity to the unavailable information of this subscriber equipment, selects to transmit Attach Request message to target mobility management entity/user entity.
5. implementation method according to claim 3 is characterized in that:
Among the step a, source Mobility Management Entity/user entity will be soon unavailable to subscriber equipment to the wireless access network broadcast source Mobility Management Entity/user entity of evolution, and send Attach Request message again to subscriber equipment;
Among the step c, the wireless access network reception sources Mobility Management Entity/user entity of evolution is about to be designated unavailable for this subscriber equipment available to revising source Mobility Management Entity/user entity after the unavailable information of subscriber equipment, and after receiving Attach Request message select target Mobility Management Entity/user entity, and transmit Attach Request message to target mobility management entity/user entity.
6. implementation method according to claim 1 is characterized in that, restricted information is to make the wireless access network of evolution think that subscriber equipment is the information of the new subscriber equipment that inserts, wherein,
Among the step a, source Mobility Management Entity/user entity sends Attach Request message again to subscriber equipment, this again Attach Request message comprise that the wireless access network that makes evolution thinks that subscriber equipment is the information of the new subscriber equipment that inserts;
Among the step b, subscriber equipment sends Attach Request message to the wireless access network of evolution, and this Attach Request message comprises that the wireless access network that makes evolution thinks that subscriber equipment is the information of the new subscriber equipment that inserts;
Among the step c, the wireless access network of evolution thinks that this subscriber equipment is the new subscriber equipment that inserts, select target Mobility Management Entity/user entity, and transmit this Attach Request message to target mobility management entity/user entity.
7. implementation method according to claim 6, it is characterized in that, make the wireless access network of evolution think that subscriber equipment is that the information of the new subscriber equipment that inserts is the identification code that international mobile subscriber identity maybe can not identify the Mobility Management Entity/user entity in this territory.
8. implementation method according to claim 6 is characterized in that, among the step c, the wireless access network of evolution utilizes load balancing mechanism select target Mobility Management Entity/user entity.
9. implementation method according to claim 1, it is characterized in that, under the situation that network is shared, may also comprise step at subscriber equipment before the wireless access network of evolution sends Attach Request message: subscriber equipment obtains optional System Architecture Evolution/long term evolution access system alternately by the wireless access network with evolution, and selects connecting system and network.
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Cited By (8)
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| WO2009056073A1 (en) * | 2007-11-01 | 2009-05-07 | Huawei Technologies Co., Ltd. | A method and device for accessing an original network by using a temporary identifier of an evolution network |
| WO2011054300A1 (en) * | 2009-11-06 | 2011-05-12 | 中兴通讯股份有限公司 | Method and system for controling mtc terminal access |
| CN101287294B (en) * | 2008-06-11 | 2012-07-04 | 中兴通讯股份有限公司 | Transfer method and system for mobility management entity and terminal |
| CN101610609B (en) * | 2008-06-19 | 2012-11-07 | 电信科学技术研究院 | Method, system and mobility management entity for realizing mobility limitation |
| WO2013149389A1 (en) * | 2012-04-05 | 2013-10-10 | 华为技术有限公司 | User equipment registration method, and user equipment |
| CN107864484A (en) * | 2017-12-01 | 2018-03-30 | 广东欧珀移动通信有限公司 | LTE network accesses detection method and device, the storage medium of result |
| CN111510978A (en) * | 2014-05-08 | 2020-08-07 | 交互数字专利控股公司 | Method for redirecting a UE to a dedicated core network node and mobility management entity MME |
| US11350317B2 (en) | 2008-06-18 | 2022-05-31 | Huawei Technologies Co., Ltd. | Method and device for accessing and obtaining user equipment context and user equipment identity |
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- 2006-03-31 CN CNB2006100670649A patent/CN100527872C/en not_active Expired - Fee Related
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| CN101511079B (en) * | 2007-11-01 | 2010-10-27 | 华为技术有限公司 | Method and device for accessing original network through evolution network temporary mark |
| US8483166B2 (en) | 2007-11-01 | 2013-07-09 | Huawei Technologies Co., Ltd. | Method and apparatus for accessing legacy networks through temporary ID of evolved network |
| WO2009056073A1 (en) * | 2007-11-01 | 2009-05-07 | Huawei Technologies Co., Ltd. | A method and device for accessing an original network by using a temporary identifier of an evolution network |
| US9084159B2 (en) | 2007-11-01 | 2015-07-14 | Huawei Technologies Co., Ltd. | Method and apparatus for accessing legacy networks through temporary ID of evolved network |
| US9838918B2 (en) | 2007-11-01 | 2017-12-05 | Huawei Technologies Co., Ltd | Method and apparatus for accessing legacy networks through temporary ID of evolved network |
| CN101287294B (en) * | 2008-06-11 | 2012-07-04 | 中兴通讯股份有限公司 | Transfer method and system for mobility management entity and terminal |
| US11350317B2 (en) | 2008-06-18 | 2022-05-31 | Huawei Technologies Co., Ltd. | Method and device for accessing and obtaining user equipment context and user equipment identity |
| CN101610609B (en) * | 2008-06-19 | 2012-11-07 | 电信科学技术研究院 | Method, system and mobility management entity for realizing mobility limitation |
| WO2011054300A1 (en) * | 2009-11-06 | 2011-05-12 | 中兴通讯股份有限公司 | Method and system for controling mtc terminal access |
| WO2013149389A1 (en) * | 2012-04-05 | 2013-10-10 | 华为技术有限公司 | User equipment registration method, and user equipment |
| CN111510978A (en) * | 2014-05-08 | 2020-08-07 | 交互数字专利控股公司 | Method for redirecting a UE to a dedicated core network node and mobility management entity MME |
| US11228956B2 (en) | 2014-05-08 | 2022-01-18 | Interdigital Patent Holdings, Inc. | Methods and apparatus for selection of dedicated core network |
| CN111510978B (en) * | 2014-05-08 | 2022-06-03 | 交互数字专利控股公司 | Method for redirecting a UE to a dedicated core network node and mobility management entity MME |
| US11716661B2 (en) | 2014-05-08 | 2023-08-01 | Interdigital Patent Holdings, Inc. | Methods and apparatus for selection of dedicated core network |
| CN107864484A (en) * | 2017-12-01 | 2018-03-30 | 广东欧珀移动通信有限公司 | LTE network accesses detection method and device, the storage medium of result |
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