CN101754308B - Switching mode selecting method, base station and system - Google Patents
Switching mode selecting method, base station and system Download PDFInfo
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- CN101754308B CN101754308B CN2008102201724A CN200810220172A CN101754308B CN 101754308 B CN101754308 B CN 101754308B CN 2008102201724 A CN2008102201724 A CN 2008102201724A CN 200810220172 A CN200810220172 A CN 200810220172A CN 101754308 B CN101754308 B CN 101754308B
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Abstract
The present invention discloses a switching mode selecting method, a base station and a system. The method comprises: obtaining serving mobility management entity (MME) group identification ID information corresponding to neighbouring cells or the tracing area of the neighbouring cells; selecting switching modes according to the serving MME group ID information. In the embodiment of the present invention, the switching efficiency and the user feeling are improved by obtaining serving MME group ID information corresponding to neighbouring cells or the tracing area of the neighbouring cells based on the information selection switching modes.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of switching mode selecting method, base station and system.
Background technology
Long Term Evolution (Long Term Evolution; LTE) project is the third generation (3rd Generation; 3G) the evolution of network, it improves and has strengthened the aerial access technology of 3G network, adopts OFDM (Orthogonal Frequency Division Multiplexing; OFDM) and multiple-input and multiple-output (Multiple Input Multiple Output is MIMO) as the sole criterion of its wireless network evolution.The peak rate of descending 100Mbit/s and up 50Mbit/s can be provided under the 20MHz spectral bandwidth.Improved the performance of Cell Edge User, improved cell capacity and reduce system delay.
In the prior art, when setting up the X2 application layer protocol between two base stations, at first need carry out register flow path with exchange both sides' the base station and the information of subordinate sub-district.In " X2 setup request " in this register flow path and " X2 setup response " message; Carried evolution base station (evolved NodeB respectively; ENB) 1 with the relevant information of eNB2 information and their subordinate sub-districts; These message comprise the Mobility Management Entity that eNB connects (Mobility Management Entity, MME) pond (Group) sign (Identity, ID).
In the LTE system, if adjacent area each other, the sub-district under two base stations has handoff relation, because that X2 interface switches the resource that consumes is less, the base station can be switched by preferred X2 interface, the switching between the different base station in the promptly same MME.But in some scene; Because the serving MME Group of two sub-districts is different, must select S1 interface switching mode, promptly relate to the switching between different MME Group; And can not adopt X2 interface to switch; But prior standard judged not the switching of two sub-districts and whether can select the X2 interface switching mode, thereby causes handoff failure, had a strong impact on user's susceptibility.
Summary of the invention
The embodiment of the invention provides a kind of switching mode selecting method, base station and system, improves switching efficiency.On the one hand, the embodiment of the invention provides a kind of switching mode selecting method, and said method comprises:
Obtain the corresponding service Mobility Management Entity pond sign ServingMME Group id information of adjacent area or adjacent area place tracking area;
Select switching mode according to said Serving MME Group id information, concrete:
When satisfying condition one when the condition two, select base station intra mode; Or,
When satisfying said condition one, and when not satisfying said condition two, select S1 interface switching mode; Or,
When not satisfying said condition one, do not satisfy condition 3 o'clock yet, select S1 interface switching mode; Or,
When not satisfying said condition one, but when satisfying said condition two, select the X2 interface switching mode with condition three; Or,
When not satisfying said condition one and said condition two, but when satisfying said condition three, select S1 interface switching mode;
Said condition one is specially: the cell-of-origin at Target cell that subscriber equipment will switch to and the current place of subscriber equipment belongs to same base station;
Said condition two is specially: the Serving MME Group ID that comprises said cell-of-origin in the Serving MME Group tabulation of said Target cell;
Said condition three is specially: have X2 to connect under said Target cell and the said cell-of-origin between the base station.
On the other hand, the embodiment of the invention also provides a kind of switching mode selecting method, comprising:
Confirm the Target cell that subscriber equipment will switch to;
If do not comprise the Serving MME Group ID of cell-of-origin, subscriber equipment place during the Serving MME Group that the tracking area at said Target cell or said Target cell place is corresponding tabulates, select S1 interface switching mode.
On the other hand, the embodiment of the invention also provides a kind of base station, and said base station comprises:
Information acquisition unit is used to obtain adjacent area or the corresponding service Mobility Management Entity pond sign Serving MME Group id information of place, adjacent area tracking area;
Selected cell, the Serving MME Group id information that is used for obtaining according to said information acquisition unit is selected switching mode, and concrete selected cell is used for when satisfying condition one during with condition two, selection base station intra mode; Also be used for and satisfy condition one, and do not satisfy condition 2 o'clock, select S1 interface switching mode; Also be used for and do not satisfy condition one, also do not satisfy condition 3 o'clock, select S1 interface switching mode; Also be used for and do not satisfy condition one, but satisfy condition two when the condition three, select the X2 interface switching mode; Also be used for not satisfying condition one with condition two, but satisfied condition 3 o'clock, select S1 interface switching mode; Condition one is specially: Target cell and cell-of-origin, current user equipment place belong to same base station; Condition two is specially: the Serving MME Group ID that comprises said cell-of-origin in the Serving MME Group tabulation of Target cell; Condition three is specially: exist X2 to connect under Target cell and the cell-of-origin between the base station.
On the other hand, the embodiment of the invention also provides a kind of network system, it is characterized in that, said system comprises the described base station of the embodiment of the invention.
In embodiments of the present invention, belong to the corresponding Serving MME Group id information of tracking area through obtaining adjacent area or adjacent area, and, improve switching efficiency and user's susceptibility according to this Information Selection switching mode.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of first embodiment of switching mode selecting method of the present invention;
Fig. 2 is the schematic flow sheet of second embodiment of switching mode selecting method of the present invention;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of switching mode selecting method of the present invention;
Fig. 4 is the structural representation of the base station of the embodiment of the invention;
Fig. 5 is the structural representation of second embodiment of network system of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is embodiment of the invention part embodiment, rather than whole embodiment.Based on the scheme in the described embodiment of the invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of requirement patent protection of the present invention.
Fig. 1 is the schematic flow sheet of first embodiment of switching mode selecting method of the present invention, and is as shown in Figure 1, and this method comprises:
101, obtain corresponding service Mobility Management Entity pond sign (the Serving MME Group ID) information of adjacent area or adjacent area place tracking area;
In the present embodiment, the adjacent area is meant the adjacent area of each sub-district of eNB subordinate.
102, select switching mode according to the Serving MME Group id information that obtains.
In embodiments of the present invention, belong to the corresponding Serving MMEGroup id information of tracking area through obtaining adjacent area or adjacent area, and, improve switching efficiency and user's susceptibility according to this Information Selection switching mode.
Fig. 2 is the schematic flow sheet of second embodiment of switching mode selecting method of the present invention, and is as shown in Figure 2, and this method comprises:
201, obtain the corresponding Serving MME Group id information of adjacent area or adjacent area place tracking area, this Serving MME Group id information comprises Serving MME Group tabulation.
In the present embodiment; Can be from operation management maintain (Operation Administration Maintenance; OAM) obtain tracking area corresponding Serving MME Group id information in adjacent area or adjacent area place in, for example, (the Network Management System of the NMS from OAM; NMS) or Element management system (Element Management System obtains in EMS); In addition, can also obtain adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area through base station under the adjacent area.
Further, the mode of obtaining the corresponding ServingMME Group id information of adjacent area or adjacent area place tracking area through base station under the adjacent area can be:
Set up in the message (X2 Setup Requset/X2 Setup Response) through X2 interface and to obtain; Or
Through obtaining in the X2 interface updating message (eNB Configuration Update/eNB Configuration Update Acknowledge).
In the present embodiment, in X2 Setup Request message, carry the tabulation in serving MME pond under the sub-district under the eNB1; ENB2 carries the tabulation in serving MME pond under the sub-district under the eNB2 in returning to the X2 Setup Response message of eNB1.Perhaps, after eNB1 information changes, in eNB Configuration Update message, carry the tabulation in serving MME pond under the sub-district after the renewal under the eNB1; ENB2 carries response in returning to the X2 Setup Response message of eNB1.In these message,, therefore need change existing message owing to need on X2 interface, transmit adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area.
With " X2 Setup Request " message is example; Table 1 is the structural table of amended " X2 Setup Request " message, and original " GU Group Id List " reached the deletion from table of " GU Group Id " relevant information, and is as shown in table 1; Perhaps, also can not delete this information.
This X2 Setup Request message is used for eNB1 and transmits the mutual initialization information of transport network layer to eNB2.
Table 1
Table 2 is the structural table of subordinate's cell information in the table 1 (Served Cell Information), and it is as shown in table 2 on X2 interface, to transmit needed configuration information in abutting connection with the eNB sub-district, has added " GU Group Id " related information items.
Table 2
Get access to the Serving MME Group id information of adjacent area or place, adjacent area tracking area correspondence at eNB after, will switch as UE is arranged among this eNB, then eNB is the definite Target cell that switches of UE according to existing method, carries out following steps then:
202, judge whether the cell-of-origin at Target cell and the current place of UE belongs to same base station; If judged result then carries out 203 for being, if judged result then carries out 204 for not;
203, judge the serving MME Group sign that whether comprises cell-of-origin, current user equipment place in the serving MME Group tabulation of Target cell, if judged result then carries out 205 for being, if judged result then carries out 206 for denying;
204, judge between the affiliated base station in Target cell and cell-of-origin whether exist X2 to connect; If judged result then carries out 207 for being, if judged result then carries out 206 for not;
205, select base station intra mode;
206, select S1 interface switching mode;
207, judge the serving MME Group sign that whether comprises cell-of-origin, current user equipment place in the MME Group tabulation of Target cell, if judged result then carries out 208 for being, if judged result then carries out 206 for denying;
208, select the X2 interface switching mode.
Among the inventive method second embodiment, the order of 202,203,204 deterministic process can be changed, and supposes that promptly definite condition one, Target cell and cell-of-origin belong to same base station; The serving MME Group sign that comprises cell-of-origin, current user equipment place in the MMEGroup tabulation of condition two, Target cell; Exist X2 to connect under condition three, Target cell and the cell-of-origin between the base station.So, when satisfying condition one when the condition two, select base station intra mode; When satisfying condition one, and do not satisfy condition 2 o'clock, select S1 interface switching mode; When not satisfying condition one, do not satisfy condition 3 o'clock yet, select S1 interface switching mode; When not satisfying condition one, but satisfy condition two during, select the X2 interface switching mode with condition three, when do not satisfy condition one, condition two, but satisfied condition 3 o'clock, select S1 interface switching mode.
In the inventive method second embodiment, belong to the corresponding Serving MME Group id information of tracking area through obtaining adjacent area or adjacent area, and, improve switching efficiency and user's susceptibility according to this Information Selection switching mode.
Fig. 3 is the schematic flow sheet of the 3rd embodiment of switching mode selecting method of the present invention, and is as shown in Figure 3, and this method comprises:
301, obtain the corresponding Serving MME Group id information of adjacent area or adjacent area place tracking area.
In the present embodiment, Serving MME Group id information comprises MME Group tabulation; Wherein, can see among previous methods first embodiment associated description of carrying out for details, repeat no more here 201 to the elaboration of the process of obtaining the corresponding Serving MME Group id information of adjacent area or adjacent area place tracking area.
Get access to the Serving MME Group id information of adjacent area or place, adjacent area tracking area correspondence at eNB after, will switch as UE is arranged among this eNB, then eNB is the definite Target cell that switches of UE according to existing method, carries out following steps then:
302, judge whether Target cell and cell-of-origin belong to same base station; If judged result then carries out 303 for being, if judged result then carries out 304 for not;
303, judge the serving MME Group sign that whether comprises cell-of-origin, current user equipment place in the MME Group tabulation of Target cell, if judged result is for being then to carry out 305; If judged result then carries out 307 for not;
304, judge the serving MME Group sign that whether comprises cell-of-origin, current user equipment place in the MME Group tabulation of Target cell, if judged result for being, then carries out 306, if judged result then carries out 307 for denying;
305, select base station intra mode;
306, judge whether to exist X2 to connect; If exist X2 to connect, then carry out 308; If do not exist X2 to connect, then carry out 309; In practical implementation, when judgement does not exist X2 to connect, also can not carry out 309, directly select S1 interface switching mode;
307, select S1 interface switching mode;
308, select the X2 interface switching mode;
309, set up X2 interface, and judge whether X2 interface sets up success; If success then carries out 308, if failure then carries out 307.
Among the inventive method the 3rd embodiment, the order of 302,303,304 deterministic process can be changed, and supposes that promptly definite condition one, Target cell and cell-of-origin belong to same base station; The serving MME Group sign that comprises cell-of-origin, current user equipment place in the MMEGroup tabulation of condition two, Target cell; Exist X2 to connect under condition three, Target cell and the cell-of-origin between the base station.When do not satisfy condition one with condition three, satisfied condition 2 o'clock, set up with the adjacent area under the X2 interface of base station, if this X2 interface sets up successfully, selection X2 interface switching mode, otherwise, selection S1 interface switching mode.
In the inventive method the 3rd embodiment, belong to the corresponding Serving MME Group id information of tracking area through obtaining adjacent area or adjacent area, and, improve switching efficiency and user's susceptibility according to this Information Selection switching mode.
The embodiment of the invention also provides a kind of network system; This system comprises the base station; Be used for that the base station obtains adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area under OAM or the adjacent area, also be used for selecting switching mode according to Serving MME Group id information.
Further, when the base station obtained information under the adjacent area in the base station, the base station was used for setting up message or the X2 interface updating message is obtained through X2 interface.
Further; Structural representation referring to the base station of the embodiment of the invention shown in Figure 4; This base station comprises: information acquisition unit 41; Be used to obtain adjacent area or the corresponding Serving MMEGroup id information of place, adjacent area tracking area, selected cell 42, the adjacent area or place, the adjacent area corresponding Serving MME Group of tracking area that are used for obtaining according to information acquisition unit 41 select switching mode.
In practical implementation, information acquisition unit 41 is used for obtaining adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area from OAM, for example, obtains among NMS from OAM or the EMS; Perhaps, information acquisition unit 41 can also be used for obtaining adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area through base station under the adjacent area.Wherein, the adjacent area that obtains of information acquisition unit 41 or the adjacent area place corresponding Serving MME Group id information of tracking area can comprise adjacent area or the corresponding MME Group tabulation of place, adjacent area tracking area.
Further, when the base station obtained the Serving MME Group id information of adjacent area or place, adjacent area tracking area correspondence under information acquisition unit 41 is used for through the adjacent area, information acquisition unit 41 can be set up in the message through X2 interface and obtain; Or through obtaining in the X2 interface updating message.
In the present embodiment, in X2 Setup Request message, carry the tabulation in serving MME pond under the sub-district under the eNB1; ENB2 carries the tabulation in serving MME pond under the sub-district under the eNB2 in returning to the X2 Setup Response message of eNB1.Perhaps, after eNB1 information changes, in eNB Configuration Update message, carry the tabulation in serving MME pond under the sub-district after the renewal under the eNB1; ENB2 carries response in returning to the X2 Setup Response message of eNB1.In these message,, therefore need change existing message owing to need on X2 interface, transmit adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area.201 is said among concrete enforcement such as the inventive method second embodiment, repeats no more here.
Further, after the base station got access to the corresponding Serving MME GroupID information of adjacent area or adjacent area place tracking area, if there is UE to switch in the base station, then the base station was that UE confirms the Target cell that switches according to existing method, at this moment,
Further, suppose that definite condition one is specially: Target cell and cell-of-origin, current user equipment place belong to same base station; Condition two is specially: comprise the sign as the serving MME Group of cell-of-origin in the MME Group tabulation of Target cell; Condition three is specially: exist X2 to connect under Target cell and the cell-of-origin between the base station.
Optional, this base station can also comprise:
Interface is set up unit 43, is used for not satisfying above-mentioned condition one and condition three, and when satisfying above-mentioned condition two, the flow process of X2 interface is initiated to set up in the base station under the adjacent area;
If this X2 interface is set up successfully, selected cell 42 is selected the X2 interface switching mode;
Otherwise selected cell 42 is selected S1 interface switching mode.
In embodiments of the present invention, belong to the corresponding Serving MME Group id information of tracking area through obtaining adjacent area or adjacent area, and, improve switching efficiency and user's susceptibility according to this Information Selection switching mode.
Fig. 5 is the structural representation of second embodiment of network system of the present invention, and is as shown in Figure 5, and this network system is described below:
MME Group1 supports TA 1, and MME Group2 supports TA 2, and TA 1 comprises cell A and cell B, and TA 2 comprises cell C and cell D, and eNB1 comprises cellA, and eNB2 includes two sub-districts: cell B and cell C.
Because two the sub-district cell B of eNB2 and cell C belong to TA1 and TA2 respectively, and MMEGroup1 support TA1, MME Group2 supports TA2, so eNB2 need exist S1 to be connected with MME Group1 and MME Group2 simultaneously.
Describe accordingly in the face of the handoff scenario between two sub-districts down.
In this scene; Cell A belongs to different eNB with cell B, the eNB1 under the cellA judge with the affiliated base station eNB 2 of cellB between whether exist X2 to be connected, if do not have; Select S1 interface switching mode; If have, eNB1 judges that the UE that whether comprises this time switching in the Serving MME Group tabulation of cell B is in the corresponding Serving MME Group sign of cell A, in this scene; Owing to comprised the sign of the Serving MME Group1 of current UE place cell A in the Serving MME Group of the cell B tabulation, thereby selected the X2 interface switching mode.
Scene 2, subscriber equipment switch to cell C from cell B:
In this scene; Because cell B and cell C belong to same eNB2; Whether then need not judge under the cell B exists X2 to be connected between the eNB2 and the affiliated eNB2 of cell C; ENB2 according to the TA that supports corresponding Serving MME Group tabulation judge that the UE whether the Serving MME Group of cell C comprises this time switching in tabulating identifies at the Serving of cell B MME Group; In this scene,, select S1 interface switching mode owing to do not comprise the Serving MMEGroup1 sign of current user equipment place cell B in the Serving MME Group of the cell C tabulation.
Scene 3, subscriber equipment switch to cell C from cell A:
In this scene; Because cell A belongs to different eNB with cell C, the eNB1 under the cell A judge with the affiliated eNB2 of cell C between whether have X2 to be connected, if do not have; Select the S1 interface to switch; If have, eNB1 judges whether comprise the sign that this switches the corresponding Serving MME Group1 of UE place cellA among the Serving MME Group ID of cellC, in this scene; Owing to do not comprise the sign of current UE in the Serving MME Group of the cell C tabulation, thereby select S1 interface switching mode at the corresponding Serving MME Group1 of cell A.
In sum; When subscriber equipment from the cell-of-origin when Target cell switches; Whether comprise this under the cell-of-origin in the Serving MME Group of the base station judges Target cell tabulation and switch the UE place corresponding Serving MME Group ID in cell-of-origin; If do not comprise, select S1 interface switching mode.
In embodiments of the present invention, belong to the corresponding Serving MME Group id information of tracking area through obtaining adjacent area or adjacent area, and, improve switching efficiency and user's susceptibility according to this Information Selection switching mode.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement through hardware.Based on such understanding; All or part of can the coming out that technical scheme of the present invention contributes to background technology with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
The above disclosed preferred embodiment that is merely the embodiment of the invention can not limit the scope that requires patent protection with this certainly, the equivalent variations of therefore doing according to the embodiment of the invention, the scope that still belongs to claim and contained.
Claims (9)
1. a switching mode selecting method is characterized in that, said method comprises:
Obtain the corresponding service Mobility Management Entity pond sign Serving MME Group id information of adjacent area or adjacent area place tracking area;
Select switching mode according to said Serving MME Group id information, concrete:
When satisfying condition one when the condition two, select base station intra mode; Or,
When satisfying said condition one, and when not satisfying said condition two, select S1 interface switching mode; Or,
When not satisfying said condition one, do not satisfy condition 3 o'clock yet, select S1 interface switching mode; Or,
When not satisfying said condition one, but when satisfying said condition two, select the X2 interface switching mode with condition three; Or,
When not satisfying said condition one and said condition two, but when satisfying said condition three, select S1 interface switching mode;
Said condition one is specially: the cell-of-origin at Target cell that subscriber equipment will switch to and the current place of subscriber equipment belongs to same base station;
Said condition two is specially: the Serving MME Group ID that comprises said cell-of-origin in the Serving MME Group tabulation of said Target cell;
Said condition three is specially: have X2 to connect under said Target cell and the said cell-of-origin between the base station.
2. the method for claim 1 is characterized in that, said adjacent area or the corresponding Serving MME Group id information of place, adjacent area tracking area of obtaining comprises:
From operation management maintain OAM, obtain said Serving MME Group id information; Perhaps,
Obtain said Serving MME Group id information through base station under the said adjacent area.
3. the method for claim 1 is characterized in that, saidly selects switching mode also to comprise according to said Serving MME Group id information:
When not satisfying said condition one and said condition three, when satisfying said condition two, X2 interface is initiated to set up in the base station under the adjacent area, if this X2 interface sets up successfully, and selection X2 interface switching mode, otherwise, selection S1 interface switching mode.
4. method as claimed in claim 2 is characterized in that, saidly obtains said Serving MME Group id information through base station under the said adjacent area, comprising:
Set up message or the X2 interface updating message is obtained through X2 interface.
5. a base station is characterized in that, said base station comprises:
Information acquisition unit is used to obtain adjacent area or the corresponding service Mobility Management Entity pond sign Serving MME Group id information of place, adjacent area tracking area;
Selected cell, the Serving MME Group id information that is used for obtaining according to said information acquisition unit is selected switching mode, and concrete selected cell is used for when satisfying condition one during with condition two, selection base station intra mode; Also be used for and satisfy condition one, and do not satisfy condition 2 o'clock, select S1 interface switching mode; Also be used for and do not satisfy condition one, also do not satisfy condition 3 o'clock, select S1 interface switching mode; Also be used for and do not satisfy condition one, but satisfy condition two when the condition three, select the X2 interface switching mode; Also be used for not satisfying condition one with condition two, but satisfied condition 3 o'clock, select S1 interface switching mode; Condition one is specially: Target cell and cell-of-origin, current user equipment place belong to same base station; Condition two is specially: the Serving MME Group ID that comprises said cell-of-origin in the Serving MME Group tabulation of Target cell; Condition three is specially: exist X2 to connect under Target cell and the cell-of-origin between the base station.
6. base station as claimed in claim 5; It is characterized in that; Said information acquisition unit is used for obtaining said Serving MME Group id information from operation management maintain OAM, perhaps is used for obtaining said Serving MME Group id information through base station under the said adjacent area.
7. base station as claimed in claim 5 is characterized in that, said base station also comprises:
Interface is set up the unit, is used for not satisfying said condition one and said condition three, but when satisfying said condition two, X2 interface is initiated to set up in the base station under the adjacent area;
If said X2 interface is set up successfully, said selected cell is selected the X2 interface switching mode;
Otherwise said selected cell is selected S1 interface switching mode.
8. base station as claimed in claim 6 is characterized in that, said information acquisition unit also is used for setting up message or the X2 interface updating message is obtained said Serving MME Group id information through X2 interface.
9. a network system is characterized in that, said system comprises like each described base station among the claim 5-8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102026313B (en) | 2010-06-21 | 2012-03-21 | 华为技术有限公司 | Switch processing method and equipment |
| CN103139854B (en) * | 2010-06-28 | 2016-03-30 | 华为技术有限公司 | Changing method, communicator and communication system |
| CN103139853B (en) * | 2010-06-28 | 2015-04-08 | 华为技术有限公司 | Switching method and communication device |
| CN102378273B (en) * | 2010-08-10 | 2016-03-30 | 中兴通讯股份有限公司 | Obtain method and the wireless relay system of adjoining base station/via node interface message |
| CN102378145B (en) * | 2010-08-12 | 2014-08-20 | 华为技术有限公司 | Switching method, access node and host site |
| CN102118808B (en) * | 2011-03-03 | 2014-11-12 | 电信科学技术研究院 | Method for triggering switching and transferring identification information of mobile management entity pool and equipment |
| CN102869055A (en) * | 2011-07-08 | 2013-01-09 | 中兴通讯股份有限公司 | Method and system for guaranteeing service continuity of RN (relay node) serving UE (user equipment) |
| CN111491364B (en) * | 2019-01-29 | 2023-05-05 | ***通信有限公司研究院 | Information processing method and network equipment |
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| CN101299876A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Synchronisation method, communication switching method, wireless network and node |
| CN101188861A (en) * | 2007-07-06 | 2008-05-28 | 中兴通讯股份有限公司 | Switching method inside the system |
| CN101128057A (en) * | 2007-09-27 | 2008-02-20 | 中兴通讯股份有限公司 | Optimization method for base station switching |
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| CN101754308A (en) | 2010-06-23 |
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