CN102917422A - Switching method for switching to home base station and base station - Google Patents
Switching method for switching to home base station and base station Download PDFInfo
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- CN102917422A CN102917422A CN201110224337.7A CN201110224337A CN102917422A CN 102917422 A CN102917422 A CN 102917422A CN 201110224337 A CN201110224337 A CN 201110224337A CN 102917422 A CN102917422 A CN 102917422A
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- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000008569 process Effects 0.000 claims abstract description 24
- 210000004027 cell Anatomy 0.000 claims description 312
- 238000012546 transfer Methods 0.000 claims description 18
- 230000000977 initiatory effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 210000004754 hybrid cell Anatomy 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 19
- 238000007726 management method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000021186 dishes Nutrition 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/04—Reselecting a cell layer in multi-layered cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The invention discloses a switching method for switching to home base station and a base station; and the accessing is controlled by a source base station. The method comprises the following steps of: enabling the source base station to receive a switching judging auxiliary cell for one user equipment (UE); and during carrying out switching judging for the UE, enabling the source base station to initiate a switching process S1 and a switching process X2 according to the switching judging auxiliary cell of the UE and a member status reported by the UE if a target base station is a home base station. The base station comprises a receiving module and a switching module. The embodiment of the invention provides a switching method for switching to the home base station of a hybrid or CSG (Closed Subscriber Group) access mode; the traditional switching method is optimized, a core network element is not needed for access control in the switching process, the accessing is controlled by the source base station, the switching process can be effectively simplified and the switching delay is reduced.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to a kind of changing method and base station that switches to Home eNodeB.
Background technology
Home eNodeB is a kind of compact low power base station, is mainly used in the among a small circle indoor place such as family and office.Home eNodeB by indoor access in radio equipment connections such as cable, DSL (Digital Subscriber Line, digital subscriber line) or optical fiber to the mobile operator core net, for the specific user provides access service based on mobile radio networks.To effectively replenishing that existing network is disposed, can the indoor voice of Effective Raise and high-speed data service covering.Have lot of advantages,, plug and play simple such as low cost, low-power, access, saving passback, compatible with existing terminal improve the network coverage etc.
Home eNodeB is called as HeNB (homeeNB, Home eNodeB) in LTE (Long Term Evolution, the Long Term Evolution) system.Function and eNB that HeNB supports are basically identical, and be basically identical between the process between HeNB and the EPC (Evolved Packet Core, evolution block core net) and eNB and the EPC.Because the arrangement of HeNB is not passed through the network planning of mobile operator usually, the little and One's name is legion of coverage.For more easily management and in order to support the HeNB of greater number, at E-UTRAN (Evolved UTRAN, evolved universal terrestrial radio access network) under the framework, also may HeNB with introduce a new network element HeNB GW (Home eNB Gateway, femto gateway) between the S1 of EPC is connected.HeNB can connect mobile management entity (Mobility Management Entity is called for short MME) as the S1 agency by HeNB GW.There is the X2 direct interface between the HeNB, can carries out load balancing, handover optimization, information interaction etc.
Because HeNB is only for the specific user provides service, therefore having introduced the sealing member organizes CSG (ClosedSubscriber Group) concept, and it is CSG ID that each CSG has unique sign.Defined the residential quarter of three kinds of different access waies among the LTE for HeNB: the CSG residential quarter---corresponding sealing (closed) pattern HeNB, the UE that only is registered as the CSG group membership can access; Mix (hybrid) residential quarter---corresponding hybrid pattern HeNB, terminal all can be accessed by arbitrarily, but the UE that is registered as the CSG group membership can access with member's identity of higher priority; Open (Open) residential quarter---corresponding open pattern HeNB, UE can be accessed by arbitrarily.The access module of HeNB and CSG ID broadcast eating dishes without rice or wine.If CSG ID and access module are not broadcasted in this residential quarter, it then is the open residential quarter; If CSG ID is only broadcasted in this residential quarter, it then is the CSG residential quarter; If this Cell Broadcast CB CSG ID and the value for " hybrid " and access module, then be the hybrid residential quarter.Core net and UE preserve respectively the user can be with the CSG ID tabulation of member's identity access.
But at present, when UE switches to HeNB at connected state, need generally speaking mobile management entity (Mobility Management Entity is called for short MME) to carry out access control.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of changing method and base station that switches to Home eNodeB, carries out access control by source base station.
For solving the problems of the technologies described above, the invention provides a kind of changing method that switches to Home eNodeB, comprising:
Source base station receives for the auxiliary cell of the switching determination of certain subscriber equipment (UE);
Described source base station is when the switch decision that carries out for described UE, if target BS is Home eNodeB, the member condition that reports according to the auxiliary cell of switching determination and this UE of described UE is judged and initiated S1 switching flow or X2 switching flow.
Further, if judge initiation X2 switching flow, described method also comprises, judges that be to initiate the X2 switching flow with member's identity or with non-member's identity at Target cell for mixing under (hybrid) cell conditions.
Further, described source base station receives for the auxiliary cell of the switching determination of certain UE, comprising: source base station receives the auxiliary cell of described switching determination from mobile management entity (MME) or from other base station.
Further, described source base station receives the auxiliary cell of described switching determination from MME, comprising: handover request message or path transfer request acknowledge message that the initial context that described source base station sends by MME is set up request message or S1 interface receive the auxiliary cell of described switching determination.
Further, source base station receives the auxiliary cell of described switching determination from other base station, comprising: described source base station is by the described member condition supplementary of handover request message sink of the X2 interface of other base stations transmissions.
Further, before the auxiliary cell of described switching determination is used for being illustrated in once or the member condition that reports of front this UE of several times handoff procedure and core network element be consistent or inconsistent according to the member condition of user signing contract information judgement; The described member condition that reports according to the auxiliary cell of switching determination and this UE of UE is judged initiation S1 switching flow or X2 switching flow, if and judge and initiate the X2 switching flow, judgement is to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions at Target cell, comprising:
After definite Target cell was for sealing member group (CSG residential quarter), if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the X2 switching flow of Target cell; Perhaps
After definite Target cell was the CSG residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the S1 switching flow of Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE with the X2 switching flow of member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judge and initiate UE to the S1 switching flow of Target cell, perhaps judge and initiate UE with the X2 switching flow of non-member's identity to Target cell, perhaps judge and initiate UE with the X2 switching flow of member's identity to Target cell.
Further, after definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, after judging that initiating UE arrives the X2 switching flow of Target cell with member's identity, described method also comprises: described source base station sends to the target Home eNodeB with the member condition that the auxiliary cell of the switching determination of described UE and this UE report, and determines that by the target Home eNodeB this UE is with member's identity right and wrong member identity access Target cell also.
Further, after the X2 switching flow was initiated in judgement, described method also comprised: in the transfer process of path, described MME sends to target BS with the described UE that this MME judges in the member condition of Target cell.
For solving the problems of the technologies described above, the present invention also provides a kind of base station of realizing subscriber equipment (UE) is switched to Home eNodeB, comprises receiver module and handover module, wherein:
Described receiver module is used for receiving for the auxiliary cell of the switching determination of certain UE;
Described handover module is used for when the switch decision that carries out for described UE, if target BS is Home eNodeB, the member condition that reports according to the auxiliary cell of switching determination and this UE of described UE is judged and initiated S1 switching flow or X2 switching flow.
Further, described handover module if also being used for judging initiates the X2 switching flow, judges at Target cell to be to be to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions.
Further, described receiver module is for receiving in the following ways for the auxiliary cell of the switching determination of certain UE: receive the auxiliary cell of described switching determination from mobile management entity (MME) or from other base station.
Further, described receiver module is for receiving the auxiliary cell of described switching determination from MME in the following ways: handover request message or path transfer request acknowledge message that the initial context that described receiver module sends by MME is set up request message or S1 interface receive the auxiliary cell of described switching determination.
Further, described receiver module is for receive in the following ways the auxiliary cell of described switching determination from other base station: described receiver module is by the described member condition supplementary of handover request message sink of the X2 interface of other base stations transmissions.
Further, before the auxiliary cell of described switching determination is used for being illustrated in once or the member condition that reports of front this UE of several times handoff procedure and core network element be consistent or inconsistent according to the member condition of user signing contract information judgement; Described handover module is to judge for the member condition of assisting cell and this UE to report according to the switching determination of UE in the following ways to initiate S1 switching flow or X2 switching flow, if and judge and initiate the X2 switching flow, judgement is to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions at Target cell, comprising:
After definite Target cell was the CSG residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the X2 switching flow of Target cell; Perhaps
After definite Target cell was the CSG residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the S1 switching flow of Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE with the X2 switching flow of member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judge and initiate UE to the S1 switching flow of Target cell, perhaps judge and initiate UE with the X2 switching flow of non-member's identity to Target cell, perhaps judge and initiate UE with the X2 switching flow of member's identity to Target cell.
Further, described base station also comprises sending module, it is used for described handover module is the hybrid residential quarter at definite Target cell, it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, after judging that initiating UE arrives the X2 switching flow of Target cell with member's identity, the member condition that the auxiliary cell of the switching determination of described UE and this UE are reported sends to the target Home eNodeB, to be determined that by the target Home eNodeB this UE is with member's identity right and wrong member identity access Target cell also.
The embodiment of the invention provides the changing method of the Home eNodeB of a kind of hybrid of switching to or CSG access way, existing changing method is optimized, in handoff procedure, do not need core network element to do access control, carry out access control by source base station, can effectively simplify switching flow, reduce switching delay.
Description of drawings
Fig. 1 is the E-UTRAN network architecture diagram that is deployed with Home eNodeB;
Fig. 2 is the embodiment of the invention 1 schematic flow sheet;
Fig. 3 is that target is switched and determined auxiliary cell using method schematic diagram when being the CSG residential quarter;
Fig. 4 is that target is switched and determined auxiliary cell using method schematic diagram when being the hybrid residential quarter;
Fig. 5 is the schematic flow sheet that the present invention uses example 1;
Fig. 6 is the schematic flow sheet that the present invention uses example 2;
Fig. 7 is the schematic flow sheet that the present invention uses example 3;
Fig. 8 is the schematic flow sheet that the present invention uses example 4.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove, in the situation that do not conflict, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Fig. 1 has described the E-UTRAN network architecture diagram that is deployed with Home eNodeB.HeNB can connect MME as the S1 agency by HeNB GW, is connected to MME if HeNB acts on behalf of as S1 by HeNB GW, then the relevant S1 signaling of HeNB GW relaying UE.There is the X2 direct interface between the HeNB, can switches by this X2 direct interface.Can there be the X2 direct interface between macro base station and the Home eNodeB, such as the eNB 3 among Fig. 1 and the X2 interface between the HeNB 1.
Fig. 2 has described the present embodiment scheme flow process, may further comprise the steps:
Step 201: source base station receives for the auxiliary cell of the switching determination of certain UE;
Source base station might receive this cell from MME, for example set up handover request message or the reception of path transfer request acknowledge message of request message, S1 interface by initial context, also might receive this cell from other base station, for example pass through the handover request message sink of X2 interface.
Before the auxiliary cell of this switching determination is used for being illustrated in once or the member condition that reports of this UE of front several times (more than twice) handoff procedure and core network element (such as MME) be consistent or inconsistent according to the member condition of user signing contract information judgement.This cell has reflected the content accuracy that UE reports in once front or front several times handoff procedure, the base station can judge whether the content that UE reports is credible by this cell.
Being switched and determined auxiliary cell safeguards at the MME place and storage, MME can be stored in the UE context or also can not be stored in the UE context, MME can not delete the auxiliary cell of switching determination of this UE immediately after the UE attachment removal, and is used for UE handoff procedure next time.MME can compare to arrange according to UE in the historical record that the switches member condition that reports and the member condition of self judging and be switched and determined the value of assisting cell, and can assist the cell value according to current switching determination, and the situation that the member condition that UE reports in the recent one or many handoff procedure is compared with the member condition that MME judges comes this switching determination of maintenance update to assist cell.
The auxiliary cell of above-mentioned switching determination also can be called credible indication information element, or member condition consistency cell etc., in order to set forth conveniently, before the value hypothesis that is switched and determined auxiliary cell in following examples can namely be illustrated in for the value (being called for short " unanimously ") of expression " unanimously " once or the member condition judged of the member condition that this UE reports in the front several times handoff procedure and core network element consistent, the value (abbreviation " inconsistent ") that represents " inconsistent " namely be illustrated in before once or the member condition of the member condition that this UE reports in the front several times handoff procedure and core network element judgement inconsistent.
This step is not limited to carry out at this moment, as long as source base station gets access to this cell before carrying out switch decision.
Step 202:UE sends measurement report to source base station (i.e. the serving BS of this UE, this serving BS might be macro base station or Home eNodeB);
The member condition that comprises the candidate target cells that this UE reports in the measurement report that UE reports thereon.
Step 203: when source base station is received the laggard hand-manipulating of needle of measurement report to the switch decision of this UE, if target BS is Home eNodeB, the auxiliary cell of the member condition that then reports according to UE and the switching determination of this UE judges which kind of is initiated switches (X2 or S1 switch) flow process;
When judge initiating the X2 switching flow, further judge Target cell be under the hybrid cell conditions be with member's identity also right and wrong member identity initiate the X2 switching flow.
Whether member condition is used to indicate this UE is the member of candidate target cells, if candidate target cells Member Users for example, then member condition cell value is member in measurement report, if the non-Member Users of candidate target cells, then this member condition cell not in this candidate target cells relevant information in the measurement report.
Target cell can be hybrid residential quarter or CSG residential quarter, specifically comprises following two kinds:
1) cell-of-origin is the open residential quarter, or the cell-of-origin is that hybrid/CSG residential quarter and source and target CSG ID are not identical;
2) source base station is macro base station, and Target cell is the hybrid/CSG residential quarter.
● when definite Target cell was the CSG residential quarter, concrete determination methods comprised as shown in Figure 3:
If being switched and determined auxiliary cell value representation be " unanimously ", and UE to report this UE be the Target cell member, then judgement initiation UE is to the X2 switching flow of Target cell;
If being switched and determined auxiliary cell value representation be " inconsistent ", and UE to report this UE be the Target cell member, judge that then initiation UE is to the S1 switching flow of Target cell;
Otherwise all do not initiate to switch.
● when definite Target cell was the hybrid residential quarter, concrete determination methods comprised as shown in Figure 4:
If being switched and determined auxiliary cell value representation be " unanimously ", and UE to report this UE be the Target cell member, judge that then initiation UE arrives the X2 switching flow of Target cell with member's identity;
If being switched and determined auxiliary cell value representation be " unanimously ", and UE reports the non-Target cell member of this UE, judges that then initiation UE arrives the X2 switching flow of Target cell with non-member's identity;
If being switched and determined auxiliary cell value representation be " inconsistent ", and UE reports the non-Target cell member of this UE, then judges and initiates UE arrives Target cell with non-member's identity X2 switching flow;
If being switched and determined auxiliary cell value representation is " inconsistent ", and UE to report this UE be the Target cell member, then can judge and take in the following operation any:
A. judge and initiate UE to the S1 switching flow of Target cell;
B. judge and initiate UE with the X2 switching flow of non-member's identity to Target cell;
C. judge and initiate UE with the X2 switching flow of member's identity to Target cell;
At this moment, source base station can send to target Home eNodeB for member condition and the value that the UE of " member " reports for the auxiliary cell of the switching determination of " inconsistent " with value by X2 handover request message, decide this UE in its sole discretion by the target Home eNodeB and go back right and wrong member identity access Target cell with the member, for example the target Home eNodeB can decide according to self current load condition, if it is higher to work as preload, then this UE accesses with non-member's identity, otherwise can access with member's identity.
Step 204:UE switches to Target cell by S1 or X2 switching flow from Serving cell based on the judgement of source base station.
If adopt the X2 switching flow, then in the transfer process of path, MME judges UE in the member condition of Target cell after receiving the path transfer request message, and with base station under the member condition notification target residential quarter of this UE of its judgement.Target cell receives that the member condition of upgrading UE after the member condition of the MME indication line correlation of going forward side by side processes.Reaffirm the member condition of UE by MME, and this member condition is sent to the affiliated base station of Target cell, guarantee that UE can access with correct identity this Target cell.
The base station of realizing said method comprises receiver module and handover module, wherein:
Described receiver module is used for receiving for the auxiliary cell of the switching determination of certain UE;
Described handover module is used for when the switch decision that carries out for described UE, if target BS is Home eNodeB, the member condition that reports according to the auxiliary cell of switching determination and this UE of described UE is judged and initiated S1 switching flow or X2 switching flow.
Preferably, described handover module if also being used for judging initiates the X2 switching flow, judges at Target cell to be to be to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions.
Preferably, described receiver module is for receiving in the following ways for the auxiliary cell of the switching determination of certain UE: receive the auxiliary cell of described switching determination from MME or from other base station.
Preferably, described receiver module is for receiving the auxiliary cell of described switching determination from MME in the following ways: handover request message or path transfer request acknowledge message that the initial context that described receiver module sends by MME is set up request message or S1 interface receive the auxiliary cell of described switching determination.
Preferably, described receiver module is for receive in the following ways the auxiliary cell of described switching determination from other base station: described receiver module is by the described member condition supplementary of handover request message sink of the X2 interface of other base stations transmissions.
Preferably, before the auxiliary cell of described switching determination is used for being illustrated in once or the member condition that reports of front this UE of several times handoff procedure and core network element be consistent or inconsistent according to the member condition of user signing contract information judgement; Described handover module is to judge for the member condition of assisting cell and this UE to report according to the switching determination of UE in the following ways to initiate S1 switching flow or X2 switching flow, if and judge and initiate the X2 switching flow, judgement is to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions at Target cell, comprising:
Zero after definite Target cell is the CSG residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judges and initiates UE to the X2 switching flow of Target cell; Perhaps
Zero after definite Target cell is the CSG residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judges and initiates UE to the S1 switching flow of Target cell; Perhaps
Zero after definite Target cell is the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judges and initiates UE with the X2 switching flow of member's identity to Target cell; Perhaps
Zero after definite Target cell is the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
Zero after definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
Zero after definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judge and initiate UE to the S1 switching flow of Target cell, perhaps judge and initiate UE with the X2 switching flow of non-member's identity to Target cell, perhaps judge and initiate UE with the X2 switching flow of member's identity to Target cell.
Preferably, described base station also comprises sending module, it is used for described handover module is the hybrid residential quarter at definite Target cell, it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, after judging that initiating UE arrives the X2 switching flow of Target cell with member's identity, the member condition that the auxiliary cell of the switching determination of described UE and this UE are reported sends to the target Home eNodeB, to be determined that by the target Home eNodeB this UE is with member's identity right and wrong member identity access Target cell also.
Use example 1
What this application example was described is that source base station is set up the flow process that process receives the auxiliary cell of switching determination and adopts embodiment 1 scheme to switch according to this cell by initial context, as shown in Figure 5, may further comprise the steps:
Step 501: in attaching process or service request or tracing section updating process, UE and serving BS are finished RRC (Radio Resource Control, radio resource control) after connection is set up, send the RRC connection setup complete message and set up process to serving BS to trigger initial context, carry NAS (Non-Access Stratum) message that UE receives from the upper strata in this message, this NAS message may be to adhere to request (attach request) message or service request (service request) message or tracing section updating request (TAU request) message;
Serving BS might be macro base station or Home eNodeB.
Step 502: source base station receives that the RRC connection setup complete message carries out sending after the relevant treatment initial user message and continues initial context to MME and set up process, carries NAS PDU (protocol Data Unit) (may be attach request or service request or TAU request) in this message;
The transmission initial context was set up request message to source base station after step 503:MME received the laggard line correlation operation of initial user message, and MME will be switched and determined auxiliary cell by this message and send to source base station; After source HeNB received that initial context is set up request message, the execution subsequent operation was finished initial context and is set up process;
Step 504:UE sends measurement report to source base station; Comprise the member condition information at candidate's Home eNodeB that UE judges by the whitelist (white tabulation) that self stores in this measurement report;
Step 505: source base station is determined handover-target base station according to measurement report, and judges that according to member condition and the auxiliary cell of switching determination that UE reports in measurement report which kind of being initiated to Target cell switches (X2 or S1 switch);
X2 switches and Target cell is the hybrid residential quarter if initiate, and also further judges with member or non-member's identity and initiates to switch.
Deterministic process repeats no more as described in example 1 above herein.
Step 506:UE carries out S1 or X2 switching flow according to above-mentioned judged result.
If judge that carrying out X2 switches, after then MME receives the path transfer request message of target HeNB transmission, according to the CSG ID that comprises in this message, access module (access mode, only when Target cell is the hybrid residential quarter, exist) and the member condition of user signing contract information judgement UE under this Target cell, if this CSG ID then judges member condition in user signing contract information be the member, if this CSG ID does not judge then in user signing contract information that member condition is non-member.Then MME is with this member condition indicating target HeNB, and target HeNB carries out subsequent treatment according to the member condition that the member condition of MME indication is upgraded this UE, comprises using the member condition of upgrading to carry out follow-up admittance control associative operation.
Use example 2
What this application example was described is that source base station receives the flow process that is switched and determined auxiliary cell and adopts embodiment 1 scheme to switch according to this cell by transfer request acknowledge message in path in the X2 handoff procedure.In this example, UE switches to Home eNodeB B by the X2 switching flow from base station A, Home eNodeB B receives the auxiliary cell of switching determination of UE by path transfer request acknowledge message in this handoff procedure, and switches to the Home eNodeB C process from Home eNodeB B at UE and to utilize this cell to carry out switch decision.Base station A might be macro base station in the present embodiment, also might be Home eNodeB.As shown in Figure 6, may further comprise the steps:
Step 601:UE sends measurement report to base station A;
Step 602: base station A carries out switch decision, and selected handover-target base station is also determined switching type;
The X2 switching condition is satisfied in supposition in the present embodiment, and then base station A initiates the X2 switching flow.
Step 603: base station A sends X2 handover request message to base station B, comprises base station B in the message and is used for switching the relevant information of preparation and the context of UE;
Step 604: base station B switch be ready to complete after, send switching request acknowledgement message to base station A, comprise in this message and be used to indicate the RRC message that UE switches, namely RRC connects reconfiguration message;
Step 605: base station A connects reconfiguration message with RRC and sends to UE by eating dishes without rice or wine to indicate UE to carry out corresponding handover operation;
Step 606: if necessary, base station A send SN state transitions message to base station B to transmit up-downgoing PDCP SN (convergence protocol layer sequence number) state;
Behind the Target cell of step 607:UE success access base station B, transmission RRC connection is reshuffled and is finished message to base station B;
Step 608: base station B transmit path transfer request message to MME with notify this UE oneself through changing district more;
Step 609:MME transmit path transfer request acknowledge message confirms to base station B, and MME will be switched and determined auxiliary cell by this message and send to base station B, and base station B carries out follow-up UE context releasing operation and finishes switching flow;
Step 610:UE sends measurement report to base station B, comprises the member condition at candidate's Home eNodeB that UE judges by the whitelist that self stores in this measurement report;
Step 611: base station B determines handover-target base station according to measurement report, and judges to initiate which kind of switching to Target cell according to member condition and the auxiliary cell of switching determination that UE reports in measurement report;
X2 switches and Target cell is the hybrid residential quarter if initiate, and also must judge with member or non-member's identity and initiate to switch.
Concrete determination methods is referring to describing among the embodiment 1.
Step 612:UE carries out S1 or X2 switching flow according to above-mentioned judged result.
If judge that carrying out X2 switches, after then MME receives the path transfer request message of Home eNodeB C transmission, according to the CSG ID that comprises in this message, access mode (only existing when Target cell is the hybrid residential quarter) and user signing contract information are judged the member condition of UE under this Target cell, if this CSGID then judges member condition in user signing contract information be the member, if this CSG ID does not judge then in user signing contract information that member condition is non-member.Then MME is with this member condition indication Home eNodeB C, and Home eNodeB C carries out subsequent treatment according to the member condition that the member condition of MME indication is upgraded this UE.
Use example 3
What this application example was described is that source base station is switched and determined auxiliary cell and adopts embodiment 1 scheme to switch according to this cell by handover request message sink in the X2 handoff procedure.In this example, UE switches to base station B by the X2 switching flow from base station A, base station B assists cell by X2 handover request message sink to the switching determination of UE in this handoff procedure, and switches to the Home eNodeB C process from base station B at UE and to utilize this cell to carry out switch decision.Base station A might be macro base station in the present embodiment, also might be Home eNodeB; Equally, base station B might be macro base station, also might be Home eNodeB.As shown in Figure 7, may further comprise the steps:
Step 701-702, step 704-708, step 710-712 be with to use example 2 basic identical, at this repeated description not.
The present embodiment and the different following steps that are of using example 2:
Step 703: base station A sends X2 handover request message to base station B, comprises base station B in the message and is used for switching the relevant information of preparation and the context of UE, and base station A will be switched and determined auxiliary cell by this message and send to base station B;
Step 709:MME transmit path transfer request acknowledge message is confirmed to base station B.
Use example 4
What this application example was described is the flow process that source base station is switched and determined auxiliary cell and adopts embodiment 1 scheme to switch according to this cell by handover request message sink in the S1 handoff procedure.In this example, UE switches to base station B by the S1 switching flow from base station A, base station B assists cell by S1 handover request message sink to the switching determination of UE in this handoff procedure, and switches to the Home eNodeB C process from base station B at UE and to utilize this cell to carry out switch decision.Base station A might be macro base station in this example, also might be Home eNodeB; Equally, base station B might be macro base station, also might be Home eNodeB.As shown in Figure 8, may further comprise the steps:
Step 801:UE sends measurement report to base station A;
Step 802: base station A carries out switch decision after receiving measurement report, and selected handover-target base station is also determined switching type; The X2 switching condition is not satisfied in supposition in the present embodiment, and base station A initiates the S1 switching flow, and base station A sends to switch and requires message to MME;
Step 803:MME receives to switch and sends handover request message to base station B after requiring message and doing respective handling, and MME will be switched and determined by this message and assist cell to send to base station B;
Step 804: base station B sends switching request acknowledgement message to MME;
Step 805:MME sends switching command message (comprise RRC and connect reconfiguration message) to base station A;
Step 806: base station A connects reconfiguration message with RRC again and sends to UE, carries out follow-up handover operation after UE receives to finish this S1 switching flow;
Step 807:UE sends and measures to base station B, comprises the member condition at candidate's Home eNodeB that UE judges by the whitelist that self stores in this measurement report;
Step 808: base station B determines handover-target base station according to measurement report, and assists cell to judge to Target cell initiation X2 or S1 switching according to the member condition that UE reports in measurement report with being switched and determined;
X2 switches and Target cell is the hybrid residential quarter if initiate, and also must judge with member or non-member's identity and initiate to switch.
Concrete determination methods is referring to describing among the embodiment 1.
Step 809:UE carries out S1 or X2 switching flow according to above-mentioned judged result.
If judge that carrying out X2 switches, after then MME receives the path transfer request message of Home eNodeB C transmission, according to the CSG ID that comprises in this message, access mode (only existing when Target cell is the hybrid residential quarter) and user signing contract information are judged the member condition of UE under this Target cell, if this CSGID then judges member condition in user signing contract information be the member, if this CSG ID does not judge then in user signing contract information that member condition is non-member.Then MME is with this member condition indication Home eNodeB C, and Home eNodeB C carries out subsequent treatment according to the member condition that the member condition of MME indication is upgraded this UE.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (15)
1. changing method that switches to Home eNodeB comprises:
Source base station receives for the auxiliary cell of the switching determination of certain subscriber equipment (UE);
Described source base station is when the switch decision that carries out for described UE, if target BS is Home eNodeB, the member condition that reports according to the auxiliary cell of switching determination and this UE of described UE is judged and initiated S1 switching flow or X2 switching flow.
2. the method for claim 1 is characterized in that:
If judge and initiate the X2 switching flow, described method also comprises, judges that be to initiate the X2 switching flow with member's identity or with non-member's identity at Target cell for mixing under (hybrid) cell conditions.
3. method as claimed in claim 1 or 2 is characterized in that:
Described source base station receives for the auxiliary cell of the switching determination of certain UE, comprising:
Source base station receives the auxiliary cell of described switching determination from mobile management entity (MME) or from other base station.
4. method as claimed in claim 3 is characterized in that:
Described source base station receives the auxiliary cell of described switching determination from MME, comprising:
Handover request message or path transfer request acknowledge message that the initial context that described source base station sends by MME is set up request message or S1 interface receive the auxiliary cell of described switching determination.
5. method as claimed in claim 3 is characterized in that:
Source base station receives the auxiliary cell of described switching determination from other base station, comprising:
Described source base station is by the described member condition supplementary of handover request message sink of the X2 interface of other base stations transmissions.
6. method as claimed in claim 2 is characterized in that:
Before the auxiliary cell of described switching determination is used for being illustrated in once or the member condition that reports of front this UE of several times handoff procedure and core network element be consistent or inconsistent according to the member condition of user signing contract information judgement;
The described member condition that reports according to the auxiliary cell of switching determination and this UE of UE is judged initiation S1 switching flow or X2 switching flow, if and judge and initiate the X2 switching flow, judgement is to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions at Target cell, comprising:
After definite Target cell was for sealing member group (CSG residential quarter), if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the X2 switching flow of Target cell; Perhaps
After definite Target cell was the CSG residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the S1 switching flow of Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE with the X2 switching flow of member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judge and initiate UE to the S1 switching flow of Target cell, perhaps judge and initiate UE with the X2 switching flow of non-member's identity to Target cell, perhaps judge and initiate UE with the X2 switching flow of member's identity to Target cell.
7. method as claimed in claim 6 is characterized in that:
After definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, and behind the X2 switching flow of Target cell, described method also comprises judgement initiation UE with member's identity:
Described source base station sends to the target Home eNodeB with the member condition that the auxiliary cell of the switching determination of described UE and this UE report, and determines that by the target Home eNodeB this UE is with member's identity right and wrong member identity access Target cell also.
8. method as claimed in claim 6 is characterized in that:
After judging initiation X2 switching flow, described method also comprises:
In the transfer process of path, described MME sends to target BS with the described UE that this MME judges in the member condition of Target cell.
9. a realization switches to subscriber equipment (UE) base station of Home eNodeB, comprises receiver module and handover module, wherein:
Described receiver module is used for receiving for the auxiliary cell of the switching determination of certain UE;
Described handover module is used for when the switch decision that carries out for described UE, if target BS is Home eNodeB, the member condition that reports according to the auxiliary cell of switching determination and this UE of described UE is judged and initiated S1 switching flow or X2 switching flow.
10. base station as claimed in claim 9 is characterized in that:
Described handover module if also being used for judging initiates the X2 switching flow, judges at Target cell to be to be to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions.
11. such as claim 9 or 10 described base stations, it is characterized in that:
Described receiver module is for receiving in the following ways for the auxiliary cell of the switching determination of certain UE:
Receive the auxiliary cell of described switching determination from mobile management entity (MME) or from other base station.
12. base station as claimed in claim 11 is characterized in that:
Described receiver module is for receiving the auxiliary cell of described switching determination from MME in the following ways:
Handover request message or path transfer request acknowledge message that the initial context that described receiver module sends by MME is set up request message or S1 interface receive the auxiliary cell of described switching determination.
13. base station as claimed in claim 11 is characterized in that:
Described receiver module is for receive in the following ways the auxiliary cell of described switching determination from other base station:
Described receiver module is by the described member condition supplementary of handover request message sink of the X2 interface of other base stations transmissions.
14. base station as claimed in claim 10 is characterized in that:
Before the auxiliary cell of described switching determination is used for being illustrated in once or the member condition that reports of front this UE of several times handoff procedure and core network element be consistent or inconsistent according to the member condition of user signing contract information judgement;
Described handover module is to judge for the member condition of assisting cell and this UE to report according to the switching determination of UE in the following ways to initiate S1 switching flow or X2 switching flow, if and judge and initiate the X2 switching flow, judgement is to initiate the X2 switching flow with member's identity or with non-member's identity under the hybrid cell conditions at Target cell, comprising:
After definite Target cell was the CSG residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the X2 switching flow of Target cell; Perhaps
After definite Target cell was the CSG residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE to the S1 switching flow of Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is the Target cell member, then judges and initiates UE with the X2 switching flow of member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is consistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell was the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represented that this UE is not the Target cell member, then judges and initiates UE with the X2 switching flow of non-member's identity to Target cell; Perhaps
After definite Target cell is the hybrid residential quarter, if it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, then judge and initiate UE to the S1 switching flow of Target cell, perhaps judge and initiate UE with the X2 switching flow of non-member's identity to Target cell, perhaps judge and initiate UE with the X2 switching flow of member's identity to Target cell.
15. base station as claimed in claim 14 is characterized in that:
Described base station also comprises sending module, it is used for described handover module is the hybrid residential quarter at definite Target cell, it is inconsistent to be switched and determined auxiliary cell value representation, and the member condition that UE reports represents that this UE is the Target cell member, after judging that initiating UE arrives the X2 switching flow of Target cell with member's identity, the member condition that the auxiliary cell of the switching determination of described UE and this UE are reported sends to the target Home eNodeB, to be determined that by the target Home eNodeB this UE is with member's identity right and wrong member identity access Target cell also.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224337.7A CN102917422B (en) | 2011-08-05 | 2011-08-05 | Switching method for switching to home base station and base station |
| PCT/CN2012/073318 WO2012155705A1 (en) | 2011-08-05 | 2012-03-30 | Handover method and base station for handing over to henb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224337.7A CN102917422B (en) | 2011-08-05 | 2011-08-05 | Switching method for switching to home base station and base station |
Publications (2)
| Publication Number | Publication Date |
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| CN102917422A true CN102917422A (en) | 2013-02-06 |
| CN102917422B CN102917422B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110224337.7A Expired - Fee Related CN102917422B (en) | 2011-08-05 | 2011-08-05 | Switching method for switching to home base station and base station |
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| Country | Link |
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| CN (1) | CN102917422B (en) |
| WO (1) | WO2012155705A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980894A (en) * | 2014-04-14 | 2015-10-14 | 中兴通讯股份有限公司 | Access control method, device and system of closed subscriber group |
| WO2019041095A1 (en) * | 2017-08-28 | 2019-03-07 | 北京小米移动软件有限公司 | Method, apparatus, and system for base station handover |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600237A (en) * | 2008-06-03 | 2009-12-09 | 中兴通讯股份有限公司 | Handoff request method and handoff request processing method |
| CN101677455A (en) * | 2008-09-19 | 2010-03-24 | 三星电子株式会社 | Method for assisting network to find destination node |
| CN101801054B (en) * | 2009-02-05 | 2015-01-28 | 中兴通讯股份有限公司 | Method for controlling switching access to household base station cell |
| CN101873627A (en) * | 2009-04-22 | 2010-10-27 | 华为技术有限公司 | Switching control method, device and system |
| CN102014421B (en) * | 2009-09-04 | 2013-06-12 | 中兴通讯股份有限公司 | Method and system for switching macro cell to home base station cell |
| CN102056256B (en) * | 2009-11-05 | 2015-05-13 | 中兴通讯股份有限公司 | Switching capability processing method, device and system |
| CN102014449B (en) * | 2009-11-27 | 2013-12-25 | 电信科学技术研究院 | User equipment switching method and home evolved base station |
| CN102131266B (en) * | 2010-01-13 | 2015-08-12 | 中兴通讯股份有限公司 | The method and system of a kind of triggering terminal switching or logout |
| CN102143538B (en) * | 2010-01-29 | 2013-08-14 | 电信科学技术研究院 | Method for switching radio access network (RAN) and base station |
| CN102076037B (en) * | 2011-01-14 | 2014-11-12 | 大唐移动通信设备有限公司 | Method and device for transmitting switching information |
| CN102076039B (en) * | 2011-01-17 | 2013-01-23 | 大唐移动通信设备有限公司 | Method and device for transmitting switching information |
-
2011
- 2011-08-05 CN CN201110224337.7A patent/CN102917422B/en not_active Expired - Fee Related
-
2012
- 2012-03-30 WO PCT/CN2012/073318 patent/WO2012155705A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980894A (en) * | 2014-04-14 | 2015-10-14 | 中兴通讯股份有限公司 | Access control method, device and system of closed subscriber group |
| WO2019041095A1 (en) * | 2017-08-28 | 2019-03-07 | 北京小米移动软件有限公司 | Method, apparatus, and system for base station handover |
| US11265782B2 (en) | 2017-08-28 | 2022-03-01 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and system for base station handover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102917422B (en) | 2017-04-12 |
| WO2012155705A1 (en) | 2012-11-22 |
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