CN102014449A - User equipment switching method and home evolved base station - Google Patents
User equipment switching method and home evolved base station Download PDFInfo
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- CN102014449A CN102014449A CN2009102412912A CN200910241291A CN102014449A CN 102014449 A CN102014449 A CN 102014449A CN 2009102412912 A CN2009102412912 A CN 2009102412912A CN 200910241291 A CN200910241291 A CN 200910241291A CN 102014449 A CN102014449 A CN 102014449A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
Abstract
The invention discloses a user equipment switching method and a home evolved base station. The method comprises the steps of: determining that user equipment needs to be switched to a target home evolved base station by a source home evolved base station; and after the source evolved base station is subjected to a switching process with the target home evolved base station through an X2 interface, switching the user equipment to the target home evolved base station. The method can be used for realizing an X2 switching process and simplifies the traditional S1 switching process.
Description
Technical field
The present invention relates to mobile communication technology, particularly a kind of changing method of subscriber equipment and family evolution base station.
Background technology
Fig. 1 is the network architecture that E-UTRAN (Evolution-Universal Terrestrial Radio Access Network, the global grounding wireless access network of evolution) comprises HeNB (Home eNB, family evolution base station) among the R9 (version 9).Between the eNB (evolution base station) is X2 interface, eNB and MME (Mobility Management Entity, Mobility Management Entity) between the S1 interface, HeNB can directly be connected with MME, also can pass through a centralized node HeNB GW (Gateway, gateway) be linked into MME, do not have interface between the HeNB, HeNB can only link to each other with a HeNB GW simultaneously.
Fig. 2 is the S1 switching flow schematic diagram between the HeNB, in the above-mentioned network architecture, does not have X2 interface between the HeNB, therefore switches and all realizes by the S1 interface.Process comprises the steps: as shown in Figure 2
If step 201 source HeNB thinks UE (User Equipment, subscriber equipment) can switch to Target cell, send handover required (handoff request) message to MME, carry CSG (Closed Subscriber Group, the closed user group) ID (sign) of Target cell in the message.If Target cell is a mixed mode, also need to carry access module;
The allowed CSG list (allowing to insert the tabulation of CSG) of the CSG ID of the Target cell that step 202, MME report according to source and the UE of preservation carries out access control to UE.
If step 203 UE allows, MME sends handover request (handoff request) message and gives target side, carries the CSG ID of Target cell in the message.If Target cell is the mixed mode sub-district, need carry UE membership IE (UE information about firms unit; IE:information element, information unit).
Whether CSG ID that step 204, target side affirmation are received in handover request message and the CSG ID of oneself mate.If confirm successfully, will distribute adequate resources at source.If, need carry out different admittance control and rate controlled according to UE membership if Target cell is the mixed mode sub-district.
The deficiencies in the prior art are: only have by the S1 interface when UE of Intra-CSG (in the CSG) switches between HeNB at present and switch this a kind of technical scheme.
Summary of the invention
Technical problem solved by the invention is: changing method and family evolution base station that a kind of UE is provided.
The changing method of a kind of UE is provided in the embodiment of the invention, has comprised the steps:
Source HeNB determines that UE need switch to target HeNB;
Source HeNB switches to target HeNB with UE after carrying out switching flow by X2 interface and target HeNB.
The changing method of a kind of UE is provided in the embodiment of the invention, has comprised the steps:
Source HeNB under the UE that target HeNB determines switching is advanced;
Target HeNB switches into target HeNB with UE after carrying out switching flow by X2 interface and source HeNB.
A kind of family evolution base station is provided in the embodiment of the invention, has comprised:
The target determination module is used for the target HeNB that determines that UE need switch to;
Handover module is used for after carrying out switching flow by X2 interface and target HeNB UE being switched to target HeNB.
A kind of family evolution base station is provided in the embodiment of the invention, has comprised:
The source determination module, the source HeNB under the UE that is used for determining switching is advanced;
Handover module is used for UE being switched after carrying out switching flow by X2 interface and source HeNB.
Beneficial effect of the present invention is as follows:
Because target HeNB can directly know from source HeNB whether UE is the signatory member of this sub-district by X2 interface, and UE is carried out different admittance control and rate controlled, thereby realize the X2 switching flow, simplified present S1 handoff procedure.
Description of drawings
Fig. 1 comprises the network architecture of HeNB for E-UTRAN among the R9 in the background technology;
Fig. 2 is the S1 switching flow schematic diagram between the HeNB in the background technology;
Fig. 3 is the network architecture schematic diagram when being deployed with HeNB among the R10 in the embodiment of the invention;
Fig. 4 is the changing method of source HeNB side UE in the embodiment of the invention;
Fig. 5 sets up schematic flow sheet for X2 interface between the HeNB in the embodiment of the invention;
Fig. 6 is the X2 switching flow schematic diagram between the HeNB in the embodiment of the invention;
Fig. 7 is the changing method implementing procedure schematic diagram of target HeNB side UE in the embodiment of the invention;
Fig. 8 is as the family evolution base station structural representation of source base station in the embodiment of the invention;
Fig. 9 is as the family evolution base station structural representation of target BS in the embodiment of the invention.
Embodiment
The inventor notices in the invention process: at present, do not have X2 interface between the HeNB, the switching between the HeNB is to realize that by the S1 interface MME carries out access control to UE.But, in 3GPP R10 (3GPP version 10), will introduce X2 interface between the HeNB.Fig. 3 is the network architecture schematic diagram when being deployed with HeNB among the R10, and as shown in the figure, R10 will support to set up between the HeNB X2 interface, based on this, to propose a solution in the embodiment of the invention, and in R10, utilize X2 interface to carry out switching between the HeNB of Intra-CSG.Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Fig. 4 is the changing method of source HeNB side UE, comprises the steps:
In concrete the enforcement, in handoff procedure, the UE that source can prepare switch by X2 interface message informing target side be CSG member or non CSG is member, Target cell also thereby can according to this information to UE admit control and rate controlled, thereby realize that X2 switches, and has reached the purpose of having simplified present S1 switching flow.
In concrete the enforcement, HeNB can set up message by interface knows CSG ID, can also know whether the UE that will switch is CSG member by handover reqeust message, thereby can realize that the X2 of UE between mixed mode CSG sub-district switches.Describe respectively below.
At first, set up X2 between the HeNB and connect, then, when source HeNB carries out switching flow by X2 interface and target HeNB, can comprise:
Source HeNB sends X2 SETUP REQUEST message by X2 interface to target HeNB, carries CSG ID in the described message.
Fig. 5 sets up schematic flow sheet for X2 interface between the HeNB, as shown in the figure, can comprise the steps:
Step 501, source HeNB send X2 SETUP REQUEST message to target HeNB, have carried CSG ID in message;
The information that step 502, source HeNB preserve adjacent HeNB is comprising the CSG id information;
The information that step 504, source HeNB preserve adjacent HeNB is comprising the CSG id information.
By top process as seen, by top process, HeNB can be known the CSG id information that adjacent sub-district is supported.
When UE switches between HeNB, carry out in the switching flow and can comprise by X2 interface and target HeNB at source HeNB:
Source HeNB sends handover reqeust message by X2 interface to target HeNB, carries UE membership in the described message.
Fig. 6 is the X2 switching flow schematic diagram between the HeNB, as shown in the figure, can comprise the steps:
Step 601: source HeNB judges the CSG ID identical with the CSG ID of oneself (can obtain the CSG ID of adjacent sub-district by X2 SETUP process) of target side, therefore, does not need MME to carry out access control.Source HeNB can determine to initiate X2 and switch.
Step 602, source HeNB send handover request message, and target CS G sub-district is a mixed mode, then also carries the membership of UE in the message.
Step 603, target HeNB judge according to present resource status whether UE can insert, if this CSG sub-district is a mixed mode, should carry out different admittance control and rate controlled to member UE with non member UE according to UE membership.
Step 604, target HeNB send handover request ack message to source HeNB.
Accordingly, also provide in the embodiment of the invention in target HeNB side and realized the scheme that UE switches, described below.
Fig. 7 is the changing method implementing procedure schematic diagram of target HeNB side UE, as shown in the figure, can comprise the steps: when switching
Source HeNB under the UE that step 701, target HeNB determine switching is advanced;
In the enforcement, when target HeNB carries out switching flow by X2 interface and source HeNB, can comprise:
Target HeNB carries CSG ID by the X2 SETUP REQUEST message that X2 interface reception sources HeNB sends in the described message;
Target HeNB determines whether to insert UE according to the allowed CSG list of the UE of described CSG ID and target HeNB preservation.
In the enforcement, when source HeNB carries out switching flow by X2 interface and target HeNB, can comprise:
Target HeNB carries UE membership by the handover reqeust message that X2 interface reception sources HeNB sends in the described message;
When target HeNB determines that this CSG sub-district is mixed mode, member UE is carried out different admittance control and rate controlled with non member UE according to UE membership.
In the enforcement, when source HeNB carries out switching flow by X2 interface and target HeNB, can comprise:
Target HeNB sends handover request ack message by X2 interface to source HeNB.
Based on same inventive concept, a kind of family evolution base station also is provided in the embodiment of the invention, because the principle that these HeNB deal with problems is similar to the changing method of UE, so the enforcement of these HeNB can repeat part and repeat no more referring to the enforcement of method.
Fig. 8 is the family evolution base station structural representation as source base station, as shown in the figure, can comprise among the HeNB:
Target determination module 801 is used for the target HeNB that determines that UE need switch to;
Handover module 802 is used for after carrying out switching flow by X2 interface and target HeNB UE being switched to target HeNB.
In the enforcement, handover module can also be further used for sending X2SETUP REQUEST message by X2 interface to target HeNB, carries CSG ID in the described message.
In the enforcement, handover module can also be further used for sending handover reqeust message by X2 interface to target HeNB, carries UE membership in the described message.
Fig. 9 is the family evolution base station structural representation as target BS, as shown in the figure, can comprise among the HeNB:
In the enforcement, handover module can also be further used for the X2SETUP REQUEST message by X2 interface reception sources HeNB transmission, carries CSG ID in the described message; And the allowed CSG list of the UE that preserves according to described CSG ID and target HeNB determines whether to insert UE.
In the enforcement, handover module can also be further used for the handover reqeust message by X2 interface reception sources HeNB transmission, carries UE membership in the described message; And when being mixed mode, member UE is carried out different admittance control and rate controlled with non member UE according to UE membership in definite this CSG sub-district.
In the enforcement, handover module can also be further used for sending handover request ack message by X2 interface to source HeNB.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
By top enforcement as can be seen, in handoff procedure, if source HeNB supports identical CSG with target HeNB, whether source HeNB can be the signatory member of this CSG sub-district by X2 interface message informing target HeNB UE, target side can be carried out different admittance control and rate controlled to UE according to this information, switches with the X2 between the HeNB that realizes intra-CSG.
Because target HeNB can directly know from source HeNB whether UE is the signatory member of this sub-district, UE being carried out different admittance control and rate controlled, thereby realization X2 switching flow has been simplified present S1 handoff procedure.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
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 (14)
1. the changing method of a user equipment (UE) is characterized in that, comprises the steps:
The family evolution base station HeNB in source determines that UE need switch to target HeNB;
Source HeNB switches to target HeNB with UE after carrying out switching flow by X2 interface and target HeNB.
2. the method for claim 1 is characterized in that, source HeNB carries out switching flow by X2 interface and target HeNB, comprising:
Source HeNB sends X2 by X2 interface to target HeNB and sets up request X2 SETUP REQUEST message, carries closed user group CSG sign ID in the described message.
3. the method for claim 1 is characterized in that, source HeNB carries out switching flow by X2 interface and target HeNB, comprising:
Source HeNB sends handoff request handover reqeust message by X2 interface to target HeNB, carries UE information about firms membership in the described message.
4. the changing method of a UE is characterized in that, comprises the steps:
Source HeNB under the UE that target HeNB determines switching is advanced;
Target HeNB switches into target HeNB with UE after carrying out switching flow by X2 interface and source HeNB.
5. method as claimed in claim 4 is characterized in that, target HeNB carries out switching flow by X2 interface and source HeNB, comprising:
Target HeNB carries CSG ID by the X2 SETUP REQUEST message that X2 interface reception sources HeNB sends in the described message;
Target HeNB determines whether to insert UE according to the tabulation allowed CSG list of the permission access CSG of the UE of described CSG ID and target HeNB preservation.
6. method as claimed in claim 4 is characterized in that, source HeNB carries out switching flow by X2 interface and target HeNB, comprising:
Target HeNB carries UE membership by the handover reqeust message that X2 interface reception sources HeNB sends in the described message;
When target HeNB determines that this CSG sub-district is mixed mode, member UE is carried out different admittance control and rate controlled with non member UE according to UE membership.
7. as the arbitrary described method of claim 4 to 6, it is characterized in that source HeNB carries out switching flow by X2 interface and target HeNB, comprising:
Target HeNB sends Handover Request Acknowledge handover request ack message by X2 interface to source HeNB.
8. a family evolution base station is characterized in that, comprising:
The target determination module is used for the target HeNB that determines that UE need switch to;
Handover module is used for after carrying out switching flow by X2 interface and target HeNB UE being switched to target HeNB.
9. family evolution base station as claimed in claim 8 is characterized in that, handover module is further used for sending X2 SETUP REQUEST message by X2 interface to target HeNB, carries CSG ID in the described message.
10. family evolution base station as claimed in claim 8 is characterized in that, handover module is further used for sending handover reqeust message by X2 interface to target HeNB, carries UE membership in the described message.
11. a family evolution base station is characterized in that, comprising:
The source determination module, the source HeNB under the UE that is used for determining switching is advanced;
Handover module is used for UE being switched after carrying out switching flow by X2 interface and source HeNB.
12. family evolution base station as claimed in claim 11 is characterized in that, handover module is further used for the X2 SETUP REQUEST message by X2 interface reception sources HeNB transmission, carries CSG ID in the described message; And the allowed CSG list of the UE that preserves according to described CSG ID and target HeNB determines whether to insert UE.
13. family evolution base station as claimed in claim 11 is characterized in that, handover module is further used for the handover reqeust message by X2 interface reception sources HeNB transmission, carries UE membership in the described message; And when being mixed mode, member UE is carried out different admittance control and rate controlled with non member UE according to UE membership in definite this CSG sub-district.
14., it is characterized in that handover module is further used for sending handover request ack message by X2 interface to source HeNB as the arbitrary described family evolution base station of claim 11 to 13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910241291 CN102014449B (en) | 2009-11-27 | 2009-11-27 | User equipment switching method and home evolved base station |
| PCT/CN2010/079108 WO2011063754A1 (en) | 2009-11-27 | 2010-11-25 | User equipment handover method and home evolved node b |
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| CN 200910241291 CN102014449B (en) | 2009-11-27 | 2009-11-27 | User equipment switching method and home evolved base station |
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| CN102014449A true CN102014449A (en) | 2011-04-13 |
| CN102014449B CN102014449B (en) | 2013-12-25 |
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| CN102170670A (en) * | 2011-05-26 | 2011-08-31 | 电信科学技术研究院 | Method, system and device for cell switch and close subscriber group information sending |
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| WO2012141419A1 (en) * | 2011-04-14 | 2012-10-18 | 주식회사 케이티 | Femto base station and system for managing femto base station |
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| CN102170670A (en) * | 2011-05-26 | 2011-08-31 | 电信科学技术研究院 | Method, system and device for cell switch and close subscriber group information sending |
| CN102202365A (en) * | 2011-06-14 | 2011-09-28 | 电信科学技术研究院 | Method and device for switching CSG (Closed Subscribe Group) cell based on X2 interface |
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| CN102905328A (en) * | 2011-07-27 | 2013-01-30 | 中兴通讯股份有限公司 | Method and system for handing over UE (user equipment) to hybrid cell and base station |
| CN102905328B (en) * | 2011-07-27 | 2017-10-31 | 中兴通讯股份有限公司 | A kind of UE is switched to the method, system and base station of mixed cell |
| WO2013016956A1 (en) * | 2011-08-03 | 2013-02-07 | 中兴通讯股份有限公司 | Method, system and base station for controlling user equipment to hand over to hybrid operating mode cell |
| CN102917427A (en) * | 2011-08-03 | 2013-02-06 | 中兴通讯股份有限公司 | System and method for controlling user equipment to switch into cell in hybrid operating mode |
| CN102917427B (en) * | 2011-08-03 | 2017-07-21 | 中兴通讯股份有限公司 | A kind of method and system for controlling user equipment to be switched to blend modes of operation cell |
| CN102917422B (en) * | 2011-08-05 | 2017-04-12 | 中兴通讯股份有限公司 | Switching method for switching to home base station and base station |
| CN104221405A (en) * | 2012-03-29 | 2014-12-17 | 三菱电机研发中心欧洲有限公司 | Trust based system and method for performing a handover from a source base station to a target base station |
| CN104221405B (en) * | 2012-03-29 | 2018-10-12 | 三菱电机研发中心欧洲有限公司 | Execute the system and method based on trust of the switching from source base station to target BS |
| CN103582055A (en) * | 2012-08-01 | 2014-02-12 | 中兴通讯股份有限公司 | Switching method and system based on family base stations |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011063754A1 (en) | 2011-06-03 |
| CN102014449B (en) | 2013-12-25 |
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