CN102238659B - Base station switching processing method and base station equipment - Google Patents
Base station switching processing method and base station equipment Download PDFInfo
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- CN102238659B CN102238659B CN201010163880.6A CN201010163880A CN102238659B CN 102238659 B CN102238659 B CN 102238659B CN 201010163880 A CN201010163880 A CN 201010163880A CN 102238659 B CN102238659 B CN 102238659B
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- 230000004044 response Effects 0.000 claims description 61
- 238000004891 communication Methods 0.000 abstract description 3
- 230000000977 initiatory effect Effects 0.000 abstract description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
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Abstract
The embodiment of the invention provides a base station switching processing method and base station equipment, which belong to the technical field of communication. One method comprises the following steps of: determining the initiation of a switching processing flow according to the measurement information of user equipment; and determining a first target base station, capable of providing a first service, in neighbor base stations, and switching the user equipment to the first target base station, wherein the first service is currently provided for the user equipment. The embodiment of the invention can ensure that a currently used service cannot be interrupted in the process of switching the UE from a source base station to a target base station.
Description
Technical field
The embodiment of the present invention relates to the communications field, relates in particular to a kind of base station switching handling method and base station equipment.
Background technology
In order to strengthen the network coverage, promote spectrum efficiency, prior art can be placed multiple small base stations in a cellular network coverage.For example, in the network coverage such as office building or campus network, can dispose some small base stations, these small base stations can be for having the subscriber equipment (UserEquipment of access authority, hereinafter to be referred as: UE) provide specific business service, small base station is connected in the server of enterprise network, for UE provides the local service such as data, services or company's videoconference with security information.
In the prior art, these small base stations can adopt wired mode access to wireless communication network.In the time that UE needs to carry out base station switching in moving process, the source base station of the current access of this UE can be according to the measurement result select target base station of UE, and to mobile management device (Mobile ManagementEquipment, hereinafter to be referred as: MME) send handover request message, in this handover request message, carry target BS close user's group number (Closed Subscriber Group Identify, hereinafter to be referred as: CSGID).In MME, can preserve the CSG white list of UE, after receiving this handover request message, MME can detect the CSG ID that carries in this handover request message whether in the CSG white list of the UE preserving, if illustrating that UE has authority to access this target BS, MME can initiate handover request to this target BS, thereby makes UE be switched to target BS from source base station.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems: being switched to from source base station the process of target BS, because different base station has different professional abilities, if target BS can not provide needed service for UE, the local service that UE is using may interrupt.
Summary of the invention
The embodiment of the present invention provides a kind of base station switching handling method and base station equipment.
The embodiment of the present invention provides a kind of base station switching handling method, comprising:
Determine and initiate hand-off process flow process according to the metrical information of subscriber equipment;
Determine the first object of the first business base station can be provided in adjacent base station, and described subscriber equipment is switched to described first object base station, described the first business is the current business that offers described subscriber equipment.
The embodiment of the present invention provides another kind of base station switching handling method, comprising:
Receive the handover request message that the source base station of subscriber equipment current access sends, described handoff request message provides the business information of the first business containing described source base station for described subscriber equipment;
If possess the professional ability corresponding with the business information of described the first business, to described source base station feedback handover success response message, to indicate described source base station to carry out hand-off process to described subscriber equipment.
The embodiment of the present invention provides a kind of base station equipment, comprising:
The first determination module, for determining and initiate hand-off process flow process according to the metrical information of subscriber equipment;
The first processing module, for determining that adjacent base station can provide the first object base station of the first business, and is switched to described first object base station by described subscriber equipment, and described the first business is the current business that offers described subscriber equipment.
The embodiment of the present invention provides another kind of base station equipment, comprising:
The second receiver module, the handover request message sending for receiving the source base station of the current access of subscriber equipment, described handoff request message provides the business information of the first business containing described source base station for described subscriber equipment;
The second sending module, if for possessing the professional ability corresponding with the business information of described the first business, to described source base station feedback handover success response message, to indicate described source base station to carry out hand-off process to described subscriber equipment.
In the embodiment of the present invention, source base station is in the time switching UE, can be according to this source base station from providing the business information of the first business to determine first object base station as UE, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of base station switching handling method embodiment mono-of the present invention;
Fig. 2 is the application scenarios structural representation of base station switching handling method embodiment mono-of the present invention;
Fig. 3 is the flow chart of base station switching handling method embodiment bis-of the present invention;
Fig. 4 is the flow chart of base station switching handling method embodiment tri-of the present invention;
Fig. 5 is the flow chart of base station switching handling method embodiment tetra-of the present invention;
Fig. 6 is the flow chart of base station switching handling method embodiment five of the present invention;
Fig. 7 is the flow chart of base station switching handling method embodiment six of the present invention;
Fig. 8 is the flow chart of base station switching handling method embodiment seven of the present invention;
Fig. 9 is the flow chart of base station switching handling method embodiment eight of the present invention;
Figure 10 is the flow chart of base station switching handling method embodiment nine of the present invention;
Figure 11 is the structural representation of base station equipment embodiment mono-of the present invention;
Figure 12 is the structural representation of base station equipment embodiment bis-of the present invention;
Figure 13 is the structural representation of base station equipment embodiment tri-of the present invention;
Figure 14 is the structural representation of base station equipment embodiment tetra-of the present invention;
Figure 15 is the structural representation of base station equipment embodiment five of the present invention;
Figure 16 is the structural representation of base station equipment embodiment six of the present invention;
Figure 17 is the structural representation of base station equipment embodiment seven of the present invention;
Figure 18 is the structural representation of base station equipment embodiment eight of the present invention;
Figure 19 is the structural representation of base station switching processing system embodiment mono-of the present invention;
Figure 20 is the structural representation of base station switching processing system embodiment bis-of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of base station switching handling method embodiment mono-of the present invention, and as shown in Figure 1, the method for the present embodiment can comprise:
Step 101, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
UE can send metrical information to the source base station of its access, and this metrical information can make source base station determine whether to carry out hand-off process to UE.In the time that source base station need to carry out hand-off process to UE according to this metrical information is definite, source base station can be initiated hand-off process flow process.For instance, source base station in the present embodiment can be for UE provide service Home eNodeB (Home eNB, hereinafter to be referred as: HeNB).
Step 102, determine the first object of the first business base station can be provided in adjacent base station, and described subscriber equipment is switched to described first object base station, described the first business is the current business that offers described subscriber equipment.
In the present embodiment, source base station can with provide for UE service data gateway (PacketGateway, hereinafter to be referred as: P-GW) connect, therefore, the service that this source base station can provide this P-GW to provide for UE.The first business in the present embodiment is this source base station can provide for UE the business of service, the business of also answering with service relative that P-GW provides.In the time of specific implementation, the business information of this first business can be the IP address of P-GW, or the identification informations such as id information, the present embodiment does not limit the concrete manifestation form of the business information of this first business, but can adopt the mark of first business that can identify arbitrarily this source base station, the present embodiment does not limit the obtain manner of this mark yet, source base station HeNB can be both by HeNB gateway (hereinafter to be referred as: HeNB-GW) or mobile management entity (Mobility Management Entity, hereinafter to be referred as: MME) obtain this mark, also can by gateway (hereinafter to be referred as: S-GW) obtain this mark.
Source base station can be according to the business information select target base station of this first business.Specifically, the base station under a network coverage can be multiple, and these base stations can connect from different P-GW, and these P-GW can provide different business service, thereby makes the base station connecting from different P-GW to provide different business service for UE.In these base stations, P-GW some or that certain some base station connects is that the P-GW connecting with source base station is identical, and therefore, this or these base station has identical professional ability with source base station, and these base stations can be the target BS in the present embodiment.For instance, in specific implementation process, each target BS all can be safeguarded an ability information table, in this ability information table, can store the business information that its adjacent base station can provide.The source base station of the current access of UE can be determined the target BS corresponding with current the first business providing for UE of this source base station according to this ability information table.In the present embodiment, so-called adjacent base station refers to the base station close with source base station geographical position.
It should be noted that, it can be also multiple that source base station can be one according to the definite target BS of this first business, if definite target BS is one, source base station can determine that this target BS is the first object base station of the business continuance that can maintain UE, source base station can be initiated handoff process, UE is switched to this first object base station of determining, if it is multiple that definite target BS has, source base station can select a target BS to initiate handoff process as first object base station from these target BS.From multiple target BS, select the method for first object base station can adopt the any-mode of prior art, for example select base station that in multiple target BS, signal is the strongest as first object base station, or select the base station of least-loaded in multiple target BS as first object base station, repeat no more.Because source base station is in the process for UE selection first object base station, take into full account the home server that UE is current connected, thereby make UE from source base station is switched to first object base station, UE can also continue to use this business, and there will not be the problem of service disconnection.
Fig. 2 is the application scenarios structural representation of base station switching handling method embodiment mono-of the present invention, as shown in Figure 2, in same local area network (LAN), three small base station HeNB A, HeNB B and HeNB C for example, in the network of certain enterprises, are disposed, these three small base stations have identical CSG ID, and also the UE of this enterprise network inside can be accessed by any one in these three small base stations.In Fig. 2, HeNBA, HeNB C all can be connected with P-GW B, HeNB B can be connected with P-GW A, it should be noted that, in Fig. 2, only show the logic connection diagram of HeNB B and P-GW A, in real network, between HeNB B and P-GW A, can realize being connected in logic by HeNBGW, MME, S-GW.The current access source base station of UE HeNB A, HeNB B and HeNB C are the adjacent base station of source base station HeNBA.Therefore the current use of UE is the service that P-GW B provides.In the prior art, in the time that UE leaves HeNB A, HeNB A can be according to the authority select target base station of UE.Because the CSG ID of HeNB B and C is in the list of UE, therefore, candidate's target BS is HeNBB and HeNB C.If the principle that source base station switches is that signal strength signal intensity is preferential, if the signal strength signal intensity of HeNB B is greater than the signal strength signal intensity of HeNB A, HeNB A can be switched to UE HeNB B.But HeNB B is the service that can not provide based on P-GW B, now, UE just cannot continue to use the service based on P-GW B, thereby occurs the phenomenon of service disconnection.
In the present embodiment, in the time that UE leaves HeNB A, HeNB A can be UE select target base station.Because HeNB A, HeNB C can be connected with P-GW B, therefore, the business information of HeNB A, HeNB C is identical, therefore, HeNB A can, according to itself current the first business providing for UE, determine in HeNB B and HeNB C and only have HeNB C to have the professional ability corresponding with the first business, therefore, definite target BS only has HeNB C, thereby makes HeNB A UE can be switched to HeNBC and can not be switched to HeNB B.Because HeNB C can provide the service based on P-GW B, after switching, UE can continue to use the service based on P-GW B, thereby avoids occurring the phenomenon of service disconnection.
In the present embodiment, source base station is in the time switching UE, can be according to this source base station from providing the first business of service to determine first object base station as UE, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Fig. 3 is the flow chart of base station switching handling method embodiment bis-of the present invention, and as shown in Figure 3, the method for the present embodiment can comprise:
Step 201, obtain the business information that adjacent base station can provide for described subscriber equipment.
In the present embodiment, source base station can be before switching UE, obtains the business information that adjacent base station can provide for UE.Specifically, in source base station, can safeguard an ability information table, this ability information table comprises the corresponding relation between business information and these adjacent base stations that the adjacent base station of this source base station can provide for UE, and source base station itself also can know that the business information of himself is the business information of the first business.
In specific implementation process, step 201 can multiple triggering mode, as in the time that predetermined period arrives, when the UE access network or in the time detecting that UE travel frequency is larger etc.Step 201, in the time realizing, can be both to deposit first this corresponding relation in, can in the time that the business information of follow-up adjacent base station changes, upgrade again this corresponding relation.
Step 202, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 202 and step 101 to realize principle similar, repeat no more herein.
Step 203, determine first object base station corresponding with described the first business in described adjacent base station, and described subscriber equipment is switched to described first object base station.
In the time that source base station switches UE, the corresponding relation that source base station can obtain in advance according to it, determines first object base station corresponding with the first business in adjacent base station, step 203 and step 102 to realize principle similar, repeat no more herein.
It should be noted that, the method for the present embodiment also can be applied in the application scenarios shown in Fig. 2.
In the present embodiment, source base station can be before initiating to switch to UE, first the corresponding relation between business information and the adjacent base station of the adjacent base station to this source base station is stored or upgrades, in the time that UE is switched, can inquire about this corresponding relation, certainly provide the first business of service to determine first object base station as UE according to source base station, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this target BS can continue as UE the business service corresponding with this first business is provided, avoid occurring the phenomenon of service disconnection.
Fig. 4 is the flow chart of base station switching handling method embodiment tri-of the present invention, and as shown in Figure 4, the method for the present embodiment can comprise:
Step 301, send the first information collect request message to described adjacent base station, and the first information that receives described adjacent base station feedback collects response message, the described first information is collected response message and is comprised described business information.
In the present embodiment, source base station can be before carrying out hand-off process to UE, and the business information of initiatively collecting these adjacent base stations to its adjacent base station is also which local P-GW these adjacent base stations can be connected with respectively.
Specifically, source base station can send the first information to adjacent base station by X2 interface and collect request message, and for example in Fig. 2, HeNB A can send first information collection request message to HeNB B and HeNB C by X2 interface.Adjacent base station, receiving after this first information collection request message, can feed back the first information to source base station and collect response message, and this first information is collected response message and comprised described business information.For example, HeNB B and HeNB C collect after request message at the first information that receives HeNB A transmission, can send the first information to HeNB A and collect response message, wherein, HeNB B send the first information collect the business information of carrying in response message can be for the IP address of P-GW A or can represent arbitrarily the identification information of the service that this P-GW A provides, and HeNB C send the first information collect the business information of carrying in response message can be for the IP address of P-GW B or can represent arbitrarily the identification information of the service that this P-GW B provides.It should be noted that, the P-GW in the present embodiment can be to provide the privately owned P-GW of local service.
Step 302, determine the corresponding relation between described business information and described adjacent base station.
Source base station is collected after response message at the first information of receiving adjacent base station feedback, can determine the corresponding relation between the business information of adjacent base station and these adjacent base stations.Optionally, source base station can be stored this corresponding relation in order to follow-up use.
Step 303, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 304, according to described corresponding relation, determine first object base station corresponding with described the first business in described adjacent base station.
Step 305, described subscriber equipment is switched to described first object base station.
Above-mentioned steps 303～305 and step 202～203 shown in Fig. 3 to realize principle similar, repeat no more herein.
In the present embodiment, source base station can, before UE is initiated to switch, send to adjacent base station the request of collection by X2 interface on one's own initiative, thereby obtains the corresponding relation between business information and the adjacent base station of adjacent base station of this source base station.In the time that UE is switched, can inquire about this corresponding relation, determine that source base station is from providing the first business of service to determine first object base station as UE, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Fig. 5 is the flow chart of base station switching handling method embodiment tetra-of the present invention, and as shown in Figure 5, the method for the present embodiment can comprise:
Step 401, send the second information request message to base-station gateway, and receive the second information response message of described base-station gateway feedback, the business information that described the second information response message comprises each adjacent base station that described base-station gateway obtains.
The present embodiment and difference embodiment illustrated in fig. 4 are in the present embodiment, between source base station and adjacent base station, there is no X2 interface, between source base station and adjacent base station, can be connected by base-station gateway.The present embodiment and embodiment illustrated in fig. 5 four difference are, in the present embodiment, source base station can send the first information to adjacent base station by base-station gateway and collect request message, and for example in Fig. 2, HeNB A can send first information collection request message to HeNB B and HeNB C by HeNB-GW.Adjacent base station, receiving after this first information collection request message, can be collected response message to the source base station feedback first information by base-station gateway, and this first information is collected response message and comprised described business information.For example, HeNB B and HeNB C collect after request message at the first information being sent by HeNB A that receives HeNB-GW forwarding, can send the first information to HeNB A by HeNB-GW and collect response message, wherein, HeNB B send the first information collect the business information of carrying in response message can be for the IP address of P-GW A or can represent arbitrarily the identification information of the service that this P-GW A provides, and HeNB C send the first information collect the business information of carrying in response message can be for the IP address of P-GW B or can represent arbitrarily the identification information of the service that this P-GW B provides.
Step 402, determine the corresponding relation between described business information and described adjacent base station.
Source base station is collected after response message at the first information of receiving adjacent base station feedback, can determine the corresponding relation between the business information of adjacent base station and these adjacent base stations.Optionally, source base station can be stored this corresponding relation in order to follow-up use.
Step 403, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 404, according to described corresponding relation, determine first object base station corresponding with described the first business in described adjacent base station.
Step 405, described subscriber equipment is switched to described first object base station.
Above-mentioned steps 403～405 and step 303～305 shown in Fig. 4 to realize principle similar, repeat no more herein.
In the present embodiment, source base station can, before UE is initiated to switch, send to adjacent base station the request of collection by base-station gateway on one's own initiative, thereby obtains the corresponding relation between business information and the adjacent base station of adjacent base station of this source base station.In the time that UE is switched, can inquire about this corresponding relation, determine that source base station is from providing the first business of service to determine first object base station as UE, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Fig. 6 is the flow chart of base station switching handling method embodiment five of the present invention, and as shown in Figure 7, the method for the present embodiment can comprise:
The interactive refreshing Indication message that step 501, reception operation management maintain entity send, sends the business information of described the first business, and receives the business information that described adjacent base station sends to described adjacent base station.
In the present embodiment, operation management maintain (Operation Administration Maintenance, hereinafter to be referred as: OAM) entity can trigger source base station and adjacent base station between mutual its business information separately, thereby make all can obtain between source base station and adjacent base station the business information of each base station of network internal.
Specifically, OAM entity can send interactive refreshing Indication message to source base station and adjacent base station, this source base station can send to adjacent base station for UE provides the business information of the first business of service by himself, and adjacent base station also can send to source base station its business information separately.With the application scenarios shown in Fig. 2 for instance, OAM can all send interactive refreshing Indication message to adjacent base station HeNB B and the HeNB C of source base station HeNB A and this source base station by X2 interface.Then can be between two between HeNB A, HeNB B and HeNB C mutual its business information separately.
Alternatively, in the time there is no X2 interface between OAM and HeNB A, HeNB B and HeNB C, HeNB A, HeNB B can communicate by letter with OAM by base-station gateway with HeNB C.Specifically, OAM can send interactive refreshing Indication message to base-station gateway, forward this interactive refreshing Indication message to trigger base-station gateway to HeNBA, HeNB B and HeNB C, so that can be voluntarily between source base station and adjacent base station mutual its corresponding business information.Or base-station gateway can be collected the business information of source base station and adjacent base station in advance, after the interactive refreshing Indication message of transmission that receives OAM, the business information that can be collected sends to source base station and adjacent base station.For example, base-station gateway is after the triggering that is subject to OAM, the business information of the HeNB B of collection and HeNB C can be sent to HeNB A, the business information of the HeNB A of collection and HeNB B is sent to HeNB C, the business information of the HeNB A of collection and HeNB C is sent to HeNB B.Therefore, source base station HeNB A can be known the business information of its adjacent base station HeNB B and HeNB C.
Step 502, determine the corresponding relation between described business information and described adjacent base station.
Source base station receiving after the business information of adjacent base station that base-station gateway sends, and can determine the corresponding relation between the business information of adjacent base station and these adjacent base stations.Optionally, source base station can be stored this corresponding relation in order to follow-up use.
Step 503, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 504, according to described corresponding relation, determine first object base station corresponding with described the first business in described adjacent base station.
Step 505, described subscriber equipment is switched to described first object base station.
Above-mentioned steps 503～505 and step 303～305 shown in Fig. 4 to realize principle similar, repeat no more herein.
In the present embodiment, base-station gateway can be under the triggering of OAM entity, the business information of collection is sent to source base station and its adjacent base station, or the mutual business information separately of instruction source base station and its adjacent base station, thereby make the source base station can be before UE is initiated to switch, obtain the corresponding relation between business information and the adjacent base station of adjacent base station of this source base station.In the time that UE is switched, can inquire about this corresponding relation, determine that source base station is from providing the first business of service to determine first object base station as UE, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Fig. 7 is the flow chart of base station switching handling method embodiment six of the present invention, and as shown in Figure 7, the method for the present embodiment can comprise:
Step 601, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 101 shown in the step 601 of the present embodiment and Fig. 1 to realize principle similar, repeat no more herein.
Above-mentioned base station switching handling method is all before UE is carried out to hand-off process, and source base station has obtained the business information of adjacent base station, to ensure follow-up when UE is carried out to hand-off process, can ensure that UE uses the continuity of business.In the present embodiment, source base station does not need to know in advance the business information of adjacent base station, but UE being carried out in the process of hand-off process, attempt UE to be switched to some target BS, the business information of the feedback by this base station judges whether to determine that UE is switched to this target BS uses the continuity of business to ensure UE.
Step 602, source base station send the first handover request message to a target BS in adjacent base station, and described the first handoff request message is containing the business information of described the first business.
Specifically, source base station can send the first handover request message to one of them target BS of multiple adjacent base stations, can comprise the business information of the first business of this source base station in this first handover request message.This adjacent base station that receives the first handover request message can be known according to the business information of this first business the business information of source base station, is also which P-GW the service that source base station provides for UE is.
Step 603, this target BS judge whether to possess the professional ability identical with the business information of the first business, if so, perform step 604, otherwise execution step 602.
This target BS can determine whether himself can provide the identical business service that offers UE with source base station for UE according to the business information of this first business.If the P-GW that this target BS has the ability to be connected with source base station is connected, this target BS can feed back handover success response message to source base station, if the P-GW that this target BS can not be connected with source base station connects, this target BS can feed back handoff failure response message to source base station.
Step 604, this target BS send handover success response message to source base station, and UE is switched to this target BS by this source base station.
In the present embodiment, this target BS is the definite first object base station of source base station, also can ensure the target BS of UE business continuance.
At source base station, UE is switched to behind the definite first object base station of step 604, the business continuance that this UE uses can ensure.
Source base station is carried out above-mentioned steps 602 and 603 trials again and is sent the first handover request message to other target BS in adjacent base station, until UE is switched to the first object base station with source base station with identical services information.
For instance, the source base station HeNB A in Fig. 2 can first send the first handover request message to HeNB B, the business information that can carry P-GW B in this request message, such as IP address information etc.HeNB B has the ability to be connected with P-GW A, therefore, HeNB B can determine the business information of himself, it can not provide the business service based on P-GW B for UE, therefore, this HeNB B sends handoff failure response message to source base station HeNBA, then HeNB A sends the first handover request message to HeNB C again, in this request message, can carry the IP address information of P-GW B, HeNB C can be connected with P-GW B, therefore, HeNB C can determine the business information of himself, it can provide the business service based on P-GW B for UE, therefore, this HeNB C sends handover success response message to source base station HeNB A.Source base station HeNB A, receiving after this handover success response message, can be switched to UE HeNB C.Therefore, UE is being switched to after HeNB C, can continue to use the business service based on P-GW B, and there will not be service disconnection.
It should be noted that, in the present embodiment, what source base station adopted is the business information of polling mode inquiry adjacent base station, first sends handover request message to which target BS in adjacent base station but the present embodiment does not limit source base station, which target BS to send handover request message to afterwards.
Alternatively, in order to ensure to reduce handoff delay, in the present embodiment, source base station also can send the first handover request message to adjacent base station simultaneously, and described the first handoff request message is containing the business information of described the first business; And the switching response message of receiving neighbor bs feedback, source base station can determine that the base station that the handover success response message in switching response message is corresponding is the first base station, therefore this first base station is the target BS that can ensure the business continuance of UE after switching, this first base station can be both a target BS, can be also multiple target BS; Then, described subscriber equipment is switched to the first object base station in described the first base station by this source base station.Those skilled in the art can adopt prior art to select first object base station to carry out hand-off process to UE from least one first base station, for example, select the base station of least-loaded etc.
Alternatively, described basis is determined first object base station for described subscriber equipment provides the first business of service, comprising: send the first handover request message to adjacent base station, described the first handoff request message is containing the business information of described the first business; Receive the handover success response message of at least one the first base station feedback in described adjacent base station, described the first base station has corresponding with the business information of described the first business user's group number of closing; From described at least one first base station, determine first object base station.By this method, source HeNB, in the time that UE is carried out to hand-off process, can select the base station consistent with the CSG-ID of source HeNB that local service is provided as the first object base station of switching.
Alternatively, in the present embodiment, source base station sends the process of the first handover request message and adjacent base station to the process of source base station feedback switching response message to adjacent base station, also can carry out forward process by base-station gateway, it realizes principle and said process is similar, repeats no more herein.
In the present embodiment, source base station can be carrying out UE in the process of base station switching, attempt handover request to send to the target complete base station in target BS or the adjacent base station in adjacent base station, business information by feedback judges whether this target BS also can provide the business service corresponding with this first business, thereby UE is switched to behind the first object base station in target BS, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Alternatively, forwarding by described subscriber equipment sends business request information to a target BS in adjacent base station, the business information that described business request information comprises described the first business, and receive a described target BS according to the service request response message of the business information feedback of described the first business by the forwarding of described subscriber equipment; If described service request response message is success response message, using a described target BS as first object base station; Otherwise the forwarding by described subscriber equipment sends business request information to another target BS in described adjacent base station again, until successfully determine first object base station from adjacent base station; Or the forwarding by described subscriber equipment sends business request information to adjacent base station, the business information that described business request information comprises described the first business; Receive the service request response message of described adjacent base station feedback by the forwarding of described subscriber equipment, determine at least one first base station that the first business can be provided according to described service request response message, and determine the first object base station in described at least one first base station.
Fig. 8 is the flow chart of base station switching handling method embodiment seven of the present invention, and as shown in Figure 8, the method for the present embodiment can comprise:
Step 701, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 702, send information acquisition request message, the business information that described information acquisition request message comprises described the first business to base-station gateway.
In the present embodiment, base-station gateway can be collected the business information of the base station adjacent with source base station in advance, or the pre-stored business information of whole base stations in this base-station gateway.Source base station, in the time that UE is carried out to hand-off process, can send information acquisition request message to base-station gateway, to ask the identification information of the base-station gateway feedback base station corresponding with the business information of the first business comprising in this information acquisition request message.
Step 703, receive the identification information of at least one first base station corresponding with described the first business of described base-station gateway feedback.
Base-station gateway can adopt the similar fashion such as inquiry to obtain first base station corresponding with this first business according to the business information of this first business, thereby makes the first base station of determining to provide the identical business service that offers UE with source base station for UE.Base-station gateway, after determining, can send to source base station by the identification information of the first base station.In the present embodiment, this first base station can be one also can be for multiple.
Step 704, according to the identification information of described the first base station, described subscriber equipment is switched to the first object base station in described the first base station.
Those skilled in the art can adopt prior art from the first base station, to select to determine that first object base station carries out hand-off process to UE, and the base station of for example selecting least-loaded or signal strength signal intensity maximum is as first object base station etc.
In the present embodiment, source base station can send information acquisition request message to base-station gateway, make this base-station gateway the identification information of first base station corresponding with the first business of source base station can be fed back to source base station, thereby make source base station can from the first base station, select definite first object base station to carry out base station hand-off process to UE, therefore, UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Fig. 9 is the flow chart of base station switching handling method embodiment eight of the present invention, and as shown in Figure 9, the method for the present embodiment can comprise:
Step 801, determine and initiate hand-off process flow process according to the metrical information of subscriber equipment.
Step 802, send the second handover request message to adjacent base station, described the second handoff request message is containing closing user's group number, described in close the business information that the spare bits of user's group number comprises described the first business.
The switching response message of step 803, receiving neighbor bs feedback, determines the first base station that possesses the professional ability corresponding with described the first business according to switching response message.
The present embodiment can identify the relation between base station and its business information by flexible utilization CSG-ID, the base station with identical business information can configure identical CSG-ID or identical CSG-ID mono-segment mark, or implicitly represents to have the CSG-ID of identical services information.In the time that source base station switches UE, by sending to the business information of first business of carrying in the spare bits of the CSG-ID comprising in the second handover request message of adjacent base station, make first base station corresponding with the first business can feed back handover success response, thereby make source base station know which adjacent base station can be used as target BS.
Step 804, described subscriber equipment is switched to the first object base station in described the first base station.
Those skilled in the art can adopt prior art from the first base station, to select definite first object base station to carry out hand-off process to UE, for example, select the base station of least-loaded or signal strength signal intensity maximum etc.
In the present embodiment, source base station can be to carry the business information of the first business of this source base station by the spare bits of CSG ID, thereby make the first base station corresponding with this first business in adjacent base station to feed back switching response message to source base station.Therefore, source base station can select definite first object base station to carry out base station hand-off process to UE from the first base station, and therefore, UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Figure 10 is the flow chart of base station switching handling method embodiment nine of the present invention, and as shown in figure 10, the method for the present embodiment can comprise:
The handover request message that the source base station of step 901, the current access of reception subscriber equipment sends, described handoff request message is containing the business information of described source base station.
The present embodiment can be the processing procedure of the adjacent base station corresponding with the base station switching handling method embodiment six of the present invention shown in Fig. 8.Specifically, in the present embodiment, source base station does not need to know in advance the business information of adjacent base station, but UE being carried out in the process of hand-off process, attempt UE to be switched to some target BS, the business information of the feedback by this base station judges whether to determine that UE is switched to this base station uses the continuity of business to ensure UE.Therefore, source base station can send handover request message to one of them target BS of multiple adjacent base stations or to multiple adjacent base stations, can comprise the business information of this source base station in this handover request message.Adjacent base station is receiving after handover request message, can know according to this business information the business information of source base station, is also that source base station with which P-GW is connected.This adjacent base station can determine whether himself can provide the identical business service that offers UE with source base station for UE according to this business information.
If step 902 possesses the professional ability corresponding with the business information of described source base station, to described source base station feedback handover success response message, to indicate described source base station, according to described handover success response message, described subscriber equipment is carried out to hand-off process.
If this adjacent base station judges that it has the professional ability identical with source base station, also have the ability to access the P-GW that source base station connects, this adjacent base station can feed back handover success response message to source base station, if this adjacent base station can connect different P-GW from source base station, handoff failure response message both can be fed back to source base station in this base station, can not feed back any message to source base station again.
If source base station once only sends handover request message to an adjacent base station in step 901, be that source base station adopts the mode of poll to inquire about can to adopt which base station in adjacent base station to switch UE, once determine, source base station can directly be switched to UE definite adjacent base station.If source base station once sends handover request message to multiple adjacent base stations in step 901, may exist multiple adjacent base stations all to source base station feedback handover success response message, in this case, source base station need to select a target BS to carry out hand-off process to UE from these adjacent base stations, and which kind of selective rule concrete source base station adopts from multiple adjacent base stations, select a target BS can adopt existing techniques in realizing.
Alternatively, in the present embodiment, source base station sends the process of handover request message and adjacent base station to the process of source base station feedback switching response message to adjacent base station, also can carry out forward process by base-station gateway, it realizes principle and said process is similar, repeats no more herein.
In the present embodiment, source base station can be carrying out UE in the process of base station switching, attempt handover request to send to the whole base stations in base station or the adjacent base station in certain adjacent base station, the business information of feeding back by adjacent base station judges whether this base station also can provide the business service corresponding with this first business, thereby UE is switched to after target BS, this target BS can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Figure 11 is the structural representation of base station equipment embodiment mono-of the present invention, as shown in figure 11, the base station equipment of the present embodiment can comprise: the first determination module 11 and the first processing module 12, and wherein the first determination module 11 is for determining and initiate hand-off process flow process according to the metrical information of subscriber equipment; The first processing module 12 can provide the first object base station of the first business for definite adjacent base station, and described subscriber equipment is switched to described first object base station, and described the first business is the current business that offers described subscriber equipment.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 1, and it is similar that it realizes principle, repeats no more herein.
In the present embodiment, base station equipment is in the time switching UE, can be according to this source base station from providing the first business of service to determine first object base station as UE, make definite first object base station that the business service corresponding with this first business also can be provided, thereby UE is switched to behind first object base station, this first object base station can continue as UE the business service corresponding with this first business is provided, and avoids occurring the phenomenon of service disconnection.
Figure 12 is the structural representation of base station equipment embodiment bis-of the present invention, as shown in figure 12, the base station equipment of the present embodiment is on the basis of the base station equipment shown in Figure 11, also comprise: the first acquisition module 13, the business information that this first acquisition module 13 can provide for described subscriber equipment for obtaining adjacent base station.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 3, and it realizes principle and effect is similar, repeats no more herein.
Figure 13 is the structural representation of base station equipment embodiment tri-of the present invention, as shown in figure 13, the base station equipment of the present embodiment is on the basis of base station equipment shown in Figure 12, further, the first acquisition module 13 comprises: the first transmitting element 131 and the first receiving element 132, wherein, the first transmitting element 131 is collected request message for sending the first information to described adjacent base station; The first receiving element 132 is collected response message for the first information that receives described adjacent base station feedback, and the described first information is collected response message and comprised described business information.
This base station equipment can be for the method for embodiment of the method shown in execution graph 4, and it realizes principle and effect is similar, repeats no more herein.
Or the first transmitting element 131 is for sending the second information request message to base-station gateway; The first receiving element 132 is for receiving the second information response message of described base-station gateway feedback, and described the second information response message comprises described business information.
This base station equipment can be for the method for embodiment of the method shown in execution graph 5, and it realizes principle and effect is similar, repeats no more herein.
Figure 14 is the structural representation of base station equipment embodiment tetra-of the present invention, as shown in figure 14, the base station equipment of the present embodiment is on the basis of base station equipment shown in Figure 12, further, the first acquisition module 13 comprises: the second receiving element 133 and the second transmitting element 134, wherein, the interactive refreshing Indication message that the second receiving element 133 sends for receiving operation management maintain entity, and receive the business information that described adjacent base station sends; The second transmitting element 134 is for sending the business information of described the first business to described adjacent base station.Or the second receiving element 133 is for receiving base-station gateway in the business information that receives the described adjacent base station sending after the interactive refreshing Indication message of operation management maintain entity transmission.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 6, and it realizes principle and effect is similar, repeats no more herein.
Figure 15 is the structural representation of base station equipment embodiment five of the present invention, as shown in figure 15, the base station equipment of the present embodiment is on the basis of base station equipment shown in Figure 11, further, the first processing module 12 comprises: the 3rd transmitting element 121, the 3rd receiving element 122 and the 3rd processing unit 123, wherein, the 3rd transmitting element 121 sends the first handover request message for a target BS to adjacent base station, and described the first handoff request message is containing the business information of described the first business; The 3rd receiving element 122 is for receiving a described target BS according to the switching response message of the business information feedback of described the first business; If the 3rd processing unit 123 is handover success response message for described switching response message, using a described target BS as first object base station, otherwise, indicate described the 3rd transmitting element again to send the first handover request message to another target BS in described adjacent base station, until successfully determine first object base station from adjacent base station.Or described the 3rd transmitting element 121 is for send the first handover request message to adjacent base station, and described the first handoff request message is containing the business information of described the first business; The 3rd receiving element 122 is for receiving the switching response message of described adjacent base station feedback; The 3rd processing unit 123 is for determine at least one first base station that the first business can be provided according to described switching response message, and the first object base station at least one first base station described in determining.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 7, and it realizes principle and function class seemingly, repeats no more herein.
Figure 16 is the structural representation of base station equipment embodiment six of the present invention, as shown in figure 16, the base station equipment of the present embodiment is on the basis of base station equipment shown in Figure 11, further, the first processing module 12 comprises: the 4th transmitting element 124, the 4th receiving element 125 and fourth processing unit 126, wherein, the 4th transmitting element 124 is for sending information acquisition request message, the business information that described information acquisition request message comprises described the first business to base-station gateway; The 4th receiving element 125 is for receiving the identification information of at least one the first base station that described the first business can be provided of described base-station gateway feedback; Fourth processing unit 126, for according to the identification information of described at least one the first base station, is determined first object base station from described at least one first base station.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 8, and it realizes principle and function class seemingly, repeats no more herein.
Figure 17 is the structural representation of base station equipment embodiment seven of the present invention, as shown in figure 17, the base station equipment of the present embodiment is on the basis of base station equipment shown in Figure 11, further, the first processing module 12 comprises: the 5th transmitting element 127, the 5th receiving element 128 and the 5th processing unit 129, wherein, the 5th transmitting element 127 is for sending the second handover request message to adjacent base station, described the second handoff request message is containing closing user's group number, described in close the business information that the spare bits of user's group number comprises described the first business; The 5th receiving element 128 is for receiving the switching response message of described adjacent base station feedback; The 5th processing unit 129 is for determining at least one first base station that described the first business can be provided according to described switching response message; From described at least one first base station, determine first object base station.Or the 5th transmitting element 127 is for send the first handover request message to adjacent base station, described the first handoff request message is containing the business information of described the first business; The 5th receiving element 128 is for receiving the handover success response message of at least one the first base station feedback of described adjacent base station, and described the first base station has corresponding with the business information of described the first business user's group number of closing; The 5th processing unit 129 is for determining first object base station from described at least one first base station.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 9, and it realizes principle and effect is similar, repeats no more herein.
Figure 18 is the structural representation of base station equipment embodiment eight of the present invention, as shown in figure 18, the base station equipment of the present embodiment comprises: the second receiver module 21 and the second sending module 22, wherein, the handover request message that the second receiver module 21 sends for receiving the source base station of the current access of subscriber equipment, described handoff request message provides the business information of the first business containing described source base station for described subscriber equipment; If the second sending module 22 is for possessing the professional ability corresponding with the business information of described the first business, to described source base station feedback handover success response message, to indicate described source base station to carry out hand-off process to described subscriber equipment.
The base station equipment of the present embodiment can be for the method for embodiment of the method shown in execution graph 10, and it realizes principle and function class seemingly, repeats no more herein.
Figure 19 is the structural representation of base station switching processing system embodiment mono-of the present invention, as shown in figure 19, the system of the present embodiment comprises: source base station equipment 1 and target BS equipment 2, and wherein source base station equipment 1 is for determining and initiate hand-off process flow process according to the metrical information of subscriber equipment; Determine the first object of the first business base station can be provided in adjacent base station, and described subscriber equipment is switched to described first object base station, described the first business is the current business that offers described subscriber equipment; Target BS equipment 2 is for providing business information to described source base station equipment.
In the system of the present embodiment, source base station equipment 1 can adopt arbitrary structure in Figure 11～18 to realize, and it realizes principle and function class seemingly, repeats no more herein.
Figure 20 is the structural representation of base station switching processing system embodiment bis-of the present invention, as shown in figure 20, the system of the present embodiment further comprises on the basis of the system shown in Figure 20: base-station gateway equipment 3, base-station gateway equipment 3 is for the business information of described target BS equipment is carried out to collection and treatment, and the business information of collection is sent to described source base station equipment.
The difference of the system shown in system and Figure 19 of the present embodiment is, between source base station equipment 1 and target BS equipment 2, can communicate by letter by base-station gateway equipment 3, and it realizes principle and effect is similar, repeats no more.
It should be noted that: the base station in above all embodiment can be all kinds of small base stations, as Pico (one of small base station), Femto (one of small base station) or HeNB (Home eNB, Home eNodeB) etc.
The embodiment of the present invention is applicable to enterprise network application scenarios, and the function that the different base station of enterprise network has is often different.For example, in enterprise network, different base station may have the ability of the different gateways of access, or has different access rights so that the management of enterprise network.Terminal adopts the technical scheme of the embodiment of the present invention to switch under the different base station of enterprise network, can improve handover success rate, avoids or reduce target BS occurring for the situation of Terminal Service.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (2)
1. a base station switching handling method, is characterized in that, comprising:
Determine and initiate hand-off process flow process according to the metrical information of subscriber equipment;
Determine the first object of the first business base station can be provided in adjacent base station, and described subscriber equipment is switched to described first object base station, described the first business is the current business that offers described subscriber equipment;
Wherein, in described definite adjacent base station, can provide the first object base station of the first business, comprise:
Send the second handover request message to adjacent base station, described the second handoff request message is containing closing user's group number, described in close the business information that the spare bits of user's group number comprises described the first business; Receive the switching response message of described adjacent base station feedback, determine at least one first base station that described the first business can be provided according to described switching response message; From described at least one first base station, determine first object base station.
2. a base station equipment, is characterized in that, comprising:
The first determination module, for determining and initiate hand-off process flow process according to the metrical information of subscriber equipment;
The first processing module, for determining that adjacent base station can provide the first object base station of the first business, and is switched to described first object base station by described subscriber equipment, and described the first business is the current business that offers described subscriber equipment;
Wherein, described the first processing module, comprising: the 5th transmitting element, for send the second handover request message to adjacent base station, described the second handoff request message is containing closing user's group number, described in close the business information that the spare bits of user's group number comprises described the first business; The 5th receiving element, for receiving the switching response message of described adjacent base station feedback; The 5th processing unit, for determining at least one first base station that described the first business can be provided according to described switching response message; From described at least one first base station, determine first object base station.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010163880.6A CN102238659B (en) | 2010-04-29 | 2010-04-29 | Base station switching processing method and base station equipment |
| PCT/CN2011/072679 WO2011134348A1 (en) | 2010-04-29 | 2011-04-12 | Base station handover processing method and base station equipment |
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| CN201010163880.6A CN102238659B (en) | 2010-04-29 | 2010-04-29 | Base station switching processing method and base station equipment |
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| CN102238659B true CN102238659B (en) | 2014-10-08 |
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| WO (1) | WO2011134348A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102695225B (en) * | 2012-05-11 | 2014-12-24 | 中国联合网络通信集团有限公司 | User switching method in through architecture of base station and base station |
| ES2869852T3 (en) * | 2012-05-14 | 2021-10-26 | Nokia Solutions & Networks Oy | Signage frame for attendance information |
| CN102761926B (en) * | 2012-07-05 | 2018-07-24 | 中兴通讯股份有限公司 | Method for processing business between base station and base station |
| CN110248389A (en) * | 2012-07-19 | 2019-09-17 | 中兴通讯股份有限公司 | A kind of management method and system of radio-resource-configuration |
| CN103582040B (en) * | 2012-08-06 | 2016-12-21 | 电信科学技术研究院 | A kind of information transferring method and device thereof |
| EP2876932B1 (en) * | 2012-08-07 | 2019-02-20 | Huawei Technologies Co., Ltd. | Handover processing method and enb |
| EP3367736A4 (en) * | 2015-11-16 | 2018-11-14 | Huawei Technologies Co., Ltd. | Data transmission method and apparatus |
| CN114375017A (en) * | 2016-01-16 | 2022-04-19 | 华为技术有限公司 | Switching method, base station and terminal equipment |
| CN109151924B (en) | 2017-06-16 | 2024-03-01 | 华为技术有限公司 | Communication method, access network equipment and core network equipment |
| JP2021522761A (en) * | 2018-05-05 | 2021-08-30 | オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． | Service processing methods and devices, terminals and network devices in the handover process |
| CN115396927A (en) * | 2018-12-29 | 2022-11-25 | 华为技术有限公司 | Communication method and device |
| CN113543238B (en) * | 2020-04-15 | 2022-11-11 | 大唐移动通信设备有限公司 | Data transmission method and base station |
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| CN101690319A (en) * | 2007-04-27 | 2010-03-31 | 诺基亚西门子通信公司 | Method, radio system, and base station |
| CN101534533A (en) * | 2008-03-10 | 2009-09-16 | 上海贝尔阿尔卡特股份有限公司 | Method and base station used for controlling mobile station to be switched |
| CN101562850A (en) * | 2008-04-18 | 2009-10-21 | 大唐移动通信设备有限公司 | Method for admitting judgment during switching process as well as system and device thereof |
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