CN103096257B - Switching method of user equipment group - Google Patents
Switching method of user equipment group Download PDFInfo
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- CN103096257B CN103096257B CN201110332450.7A CN201110332450A CN103096257B CN 103096257 B CN103096257 B CN 103096257B CN 201110332450 A CN201110332450 A CN 201110332450A CN 103096257 B CN103096257 B CN 103096257B
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Abstract
The invention provides a switching method of a user equipment group. According to the switching method of the user equipment group, users experience design (UE) which enables a mobile relay to serve is triggered so as to be switched to a target UE mobile management entity (MME) in the S1 switching process of the mobile relay and when the mobile relay is used as the UE and receives a switching order of service DeNB, so that context of the UE which is served by the mobile relay can be guaranteed to be transferred to the target MME, and S1 connection between the mobile relay and the target UE MME is established. By means of the switching method of the user equipment group, UE switching in S1 switching of the mobile relay can be achieved in a group switching mode, and the business continuity of the UE which is served by the mobile relay is ensured.
Description
Technical field
The present invention relates to the handoff technique in mobile communication system, particularly relate to the changing method of subscriber equipment (UE) group when mobile relay switches.
Background technology
At present, in the LTE-A stage, introduce the concept of relaying (Relay), expand the application of LTE Rel-8.By the introducing to Relay, achieve and extend the MPS process of two-forty, group mobility, casual network is disposed, and strengthens cell data business throughput, and in the demand of new regional on-premise network.
Fig. 1 is the network structure after introducing relaying.As shown in Figure 1.Via node (Relay Node, RN), wirelessly be connected on a base station (eNB) supporting RN, this eNB is called as relaying eNB (Donor eNB, DeNB), this wave point is an E-UTRA air interface be modified, and is called as Un interface.
RN will support all functions of eNB, and this just means, E-UTRAN Radio interface protocols, and S 1/X2 agreement, will terminate at RN.From the angle of agreement, the function that eNB supports, RN will support, unless agreement defines especially.
Except the function of eNB, RN also will support the function of UE, such as physical layer, layer 2, wireless heterogeneous networks (RRC) agreement, also has NAS function, because only have RN to support the function of UE, just can be connected to DeNB.
In redaction specification, RN will support mobility (for the ambulant RN of support, being called mobile relay).Like this, for the RN in movement, need to switch along with the change of position by the same with mobile terminal, use the difference of interface protocol, mobile relay to carry out switching according to institute when switching and comprise S1 switching and X2 switches two types.For S1 switches, its target eNB switched belongs to different mobile management entities (MME) from source eNB, need to make relay swicthing to Target cell by MME, namely source eNB needs to carry out alternately by S1 agreement (this agreement supports that eNB and MME carries out the agreement communicated) with MME, handover request is sent to source MME, then by source MME, this request being informed to target MME by forwarding RELOCATION REQUEST message by this request, being completed the handoff procedure of described relaying by target MME notification target eNB.
In actual applications, when the S1 carrying out mobile relay switches, because the MME serving mobile relay there occurs renewal, correspondingly, the UE that this mobile relay is served also needs to switch.And in current S1 changing method, the UE that mobile relay is served is not owing to revising serving BS, namely mobile relay is all the time in service UE, so cannot trigger the switching time of the UE of mobile relay service, and then cannot the mobile relay context (context) of UE of serving alternately between the source MME of the UE of mobile relay service and target MME, like this, when the S1 of the relaying that is moved switches, mobile relay can not switch away current served UE, thus cannot realize the switching of the UE group that it is served.
Summary of the invention
In view of this, main purpose of the present invention is the changing method providing a kind of UE group, makes mobile relay carry out its UE served when S1 switches and can realize corresponding switching.
In order to achieve the above object, the technical scheme that the present invention proposes is:
A changing method for group of user equipment, the method comprises the following steps:
A, carry out in the process of S1 switching at mobile relay, when described mobile relay carries out switching and receiving switching command message as UE, send UE handover request message to source user equipment mobile management entity UE MME, in described UE handover request message, carry the UE information needing to switch;
B, described source UE MME, according to described UE handover request message, send to object UE MME and forward RELOCATION REQUEST message, and described forwarding RELOCATION REQUEST message carries the described UE information needing to switch;
C, described object UE MME, according to the described forwarding RELOCATION REQUEST message received, for the described UE switched that needs distributes new global unique temporary identity GUTI, send the forwarding location response message of carrying described GUTI to described source UE MME;
D, described source UE MME delete the context that will switch UE described in self preservation according to described forwarding location response message, send switching command message to described mobile relay, this switching command message carries the transport network layer TNL address of described GUTI and target MME;
E, described mobile relay, according to the described switching command message received, send the switching command carrying described GUTI to described UE, to notify that described UE is switched to described object UE MME, trigger corresponding S1 simultaneously connect renewal process according to described TNL address.
In sum, the changing method of the group of user equipment that the present invention proposes, carry out in the process of S 1 switching at mobile relay, when mobile relay receives the switching command of service DeNB as UE, trigger the process that the UE making it serve is switched to object UE MME, can ensure that the context of mobile relay institute service UE can transfer to target MME, and mobile relay foundation is connected with the S 1 between object UE MME, thus switch with the UE that the mode that group switches realizes in mobile relay S1 switching, ensure that the business continuance of the UE that RN serves.
Accompanying drawing explanation
Fig. 1 is the schematic network structure after introducing relaying in existing system;
Fig. 2 is the schematic flow sheet of the embodiment of the present invention one.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Core concept of the present invention is, carry out in the process of S1 switching at RN, first mobile relay switches as UE, after RN to receive the switching command of service DeNB as UE, trigger the process that its UE served is switched to object UE MME, to ensure that the context of the UE that RN serves can transfer to target MME, and RN foundation is connected with the S1 between object UE MME, thus the UE that the mode that can switch with group realizes in mobile relay S1 switching switches, and guarantees the business continuance of the UE that RN serves.
The present invention is the signaling of the service DeNB transparent transmission UE based on mobile relay, and this prerequisite of signaling only processing RN realizes.Particularly, eNB and RN set up 8 eat dishes without rice or wine on Data Radio Bearer (DRB), the carrying of UE realizes according to the design of Donor eNB, and the carrying of UE is mapped in 8 DRB carryings between RH and eNB.For the S1-AP protocol ends of UE in RN, transmitted by as RN data on RN EPS bearer between DeNB and RN SGW/PGW of the S1-AP message of UE.RN must maintain the S1 interface relationship with each UE MME in each MME pool, and this S1 interface relationship is transparent concerning DeNB, and DeNB only thinks to transmit RN data.X2 interface relation is similar to S1 interface relationship.Above-mentioned prerequisite to be implemented as those skilled in the art known, do not repeat them here.
Fig. 2 is the schematic flow sheet of the embodiment of the present invention one, and as shown in Figure 2, this embodiment comprises the following steps:
Step 201, carry out at mobile relay in the process of S1 switching, when described mobile relay carries out switching and receiving switching command message as UE, send UE handover request message to source UE MME, in described UE handover request message, carry the UE information needing to switch.
Here, by UE handover request message informing source UE MME, the UE switched is needed in the current process carrying out mobile relay switching, so that the global unique temporary identity (GUTI) that network side (i.e. object UE MME) is new for these UE distribute, and then realize the switching of these UE.
Particularly, the described all UE needing the UE switched should comprise the service of described mobile relay.
Preferably, the handover request of UE described in this step message can carry the described UE group information needing to switch by S1 Application Protocol mark.
Step 202, described source UE MME, according to described UE handover request message, send to object UE MME and forward RELOCATION REQUEST message, and described forwarding RELOCATION REQUEST message carries the described UE information needing to switch.
This step, for realizing source UE MME by the described UE information needing to switch, informs object UE MME by forwarding RELOCATION REQUEST message.
Preferably, the described UE information switched that needs can be indicated by the international mobile subscriber identity IMSI information of described UE.
Step 203, described object UE MME, according to the described forwarding RELOCATION REQUEST message received, for the described UE switched that needs distributes new GUTI, send the forwarding location response message of carrying described GUTI to described source UE MME.
Step 204, described source UE MME delete the context that will switch UE described in self preservation according to described forwarding location response message, send switching command message to described mobile relay, this switching command message carries transport network layer (TNL) address of described GUTI and object UE MME.
Step 205, described mobile relay are according to the described switching command message received, the switching command carrying described GUTI is sent to described UE, to notify that described UE is switched to described object UE MME, trigger corresponding S1 according to described TNL address simultaneously and connect renewal process.
Preferably, S1 described in this step connects renewal process and is specifically as follows: described mobile relay release is connected with the S1 of described source UE MME, and according to described TNL address, sets up S1 be connected with described object UE MME.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a changing method for group of user equipment, is characterized in that, the method comprises the following steps:
A, carry out in the process of S1 switching at mobile relay, when described mobile relay carries out switching and receiving switching command message as UE, UE handover request message is sent to source user equipment mobile management entity UE MME, carry the UE information needing to switch in described UE handover request message, the UE that described needs switch comprises all UE of described mobile relay service;
B, described source UE MME, according to described UE handover request message, send to object UE MME and forward RELOCATION REQUEST message, and described forwarding RELOCATION REQUEST message carries the described UE information needing to switch;
C, described object UE MME, according to the described forwarding RELOCATION REQUEST message received, for the described UE switched that needs distributes new global unique temporary identity GUTI, send the forwarding location response message of carrying described GUTI to described source UE MME;
D, described source UE MME delete the described context needing the UE switched self preserved according to described forwarding location response message, send switching command message to described mobile relay, this switching command message carries the transport network layer TNL address of described GUTI and described object UE MME;
E, described mobile relay are according to the described switching command message received, the switching command carrying described GUTI is sent to the described UE needing to switch, to notify that described UE is switched to described object UE MME, trigger corresponding S1 according to described TNL address simultaneously and connect renewal process.
2. method according to claim 1, is characterized in that, the handover request of UE described in step a message carries the described UE group information needing to switch by S1 Application Protocol mark.
3. method according to claim 1, is characterized in that, the UE information forwarding the described needs switching that RELOCATION REQUEST message is carried described in step b is the international mobile subscriber identity IMSI information of described UE.
4. method according to claim 1, is characterized in that, S1 described in described step e connects renewal process and is: described mobile relay release is connected with the S1 of described source UE MME, and according to described TNL address, sets up S1 be connected with described object UE MME.
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| CN201110332450.7A CN103096257B (en) | 2011-10-27 | 2011-10-27 | Switching method of user equipment group |
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| CN201110332450.7A CN103096257B (en) | 2011-10-27 | 2011-10-27 | Switching method of user equipment group |
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| CN103096257B true CN103096257B (en) | 2015-04-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108770024B (en) * | 2011-11-04 | 2023-05-26 | 北京三星通信技术研究有限公司 | Method and equipment for supporting group switching |
| US10863382B2 (en) * | 2015-03-12 | 2020-12-08 | Nec Corporation | Methods and systems for balancing load among communication control apparatuses |
| CN113676963B (en) * | 2020-05-14 | 2023-03-14 | 展讯通信（上海）有限公司 | Switching method and device, storage medium and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101998554A (en) * | 2009-08-18 | 2011-03-30 | 中兴通讯股份有限公司 | Switching method based on mobile relay and mobile radio relay system |
| CN102118808A (en) * | 2011-03-03 | 2011-07-06 | 电信科学技术研究院 | Method for triggering switching and transferring identification information of mobile management entity pool and equipment |
| EP2442612A1 (en) * | 2009-06-29 | 2012-04-18 | Huawei Technologies Co., Ltd. | Method, device and communication system for handover control |
-
2011
- 2011-10-27 CN CN201110332450.7A patent/CN103096257B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2442612A1 (en) * | 2009-06-29 | 2012-04-18 | Huawei Technologies Co., Ltd. | Method, device and communication system for handover control |
| CN101998554A (en) * | 2009-08-18 | 2011-03-30 | 中兴通讯股份有限公司 | Switching method based on mobile relay and mobile radio relay system |
| CN102118808A (en) * | 2011-03-03 | 2011-07-06 | 电信科学技术研究院 | Method for triggering switching and transferring identification information of mobile management entity pool and equipment |
Non-Patent Citations (8)
| Title |
|---|
| CATT.R3-112401,Discussion on Mobile Relay Architectures.《3GPP TSG RAN WG3#73bis》.2011, * |
| Huawei 等.R3-111730,Release the UE context in the source HeNB-GW after HeNB-HeNB X2 HO.《3GPP TSG-RAN3 Meeting #72 》.2011, * |
| Huawei, HiSilicon.S3-110080,Security handling of handover for UE under RN.《3GPP TSG-SA3 (Security)》.2011, * |
| Institute for Information Industry (III), Coiler Corporation.R3-112620,Timing of Source DeNB releasing RN context for RN Mobility.《3GPP TSG RAN WG3 Meeting #73bis》.2011, * |
| InterDigital Communications.R3-112483,Mobile Relays Scenarios and Issues.《3GPP TSG-RAN WG3 Meeting #73-bis》.2011, * |
| New Postcom.R3-112503,Consideration of Architectural Aspect on Mobile RN.《3GPP TSG RAN WG3 Meeting #73bis》.2011, * |
| Potevio.R3-112549,Consideration about Identifying Mobile Relay Solutions.《3GPP TSG-RAN WG3 #73bis》.2011, * |
| ZTE.R3-112553,Considerations on the scenarios for mobile relay.《3GPP TSG-RAN WG3 Meeting #73bis》.2011, * |
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