CN101883405A - Control method of switching from non CSG terminal to CSG cell - Google Patents
Control method of switching from non CSG terminal to CSG cell Download PDFInfo
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Abstract
The invention discloses a control method of switching from a non CSG terminal to a CSG cell, which can effectively avoid blind switching. The method comprises the steps that a source network element acquires the access control information of UE which does not support CSG capacity in advance, and then determines whether to initiate a switching process according to the access control information.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method of in base station from home CSG cell switch process, carrying out access control at the terminal of not supporting the CSG ability.
Background technology
Base station from home (Home NodeB, HNB) be a kind of small-sized, lower powered base station, be deployed in indoor places such as family and office, main effect is in order higher service rate to be provided to the user and to reduce and use the needed expense of high rate services, remedying the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of base station from home is economical, convenient, low-power output, plug and play etc.
User of home base station is to be connected to the core net network by base station from home Access Network (Home NodeB Access Network, HNB AN), and wherein HNB AN is by base station from home and the common composition of home base-station gateway (Home NodeB Gateway, HNB GW).The function that HNB GW mainly carries out is: the fail safe of checking base station from home, handle the registration and the access control of base station from home, base station from home is carried out operation maintenance management,, be responsible for the data of exchcange core net and base station from home according to Carrier Requirements configuration and control base station from home.
Because Home eNodeB is a kind of of base station (NodeB), its dedicated resources as private user is deployed in family, group, private site such as company or school uses, some cell set that Home eNodeB covers become family base station overlay area, Home eNodeB can only allow to insert through the user who authorizes according to setting, as the kinsfolk, users such as member of community, be different from common base station and provide service to all users, sub-district under the Home eNodeB only provides service to the part authorized users, non-public authorized user group (Closed Subscriber Group the is called for short CSG) sub-district that is otherwise known as, the sub-district of corresponding this Home eNodeB.
UE enters a CSG sub-district two kinds of approach, and a kind of is directly to insert the sub-district, and another kind is by other sub-district incision Target cell by switching mode.The handoff procedure that is cut into the CSG sub-district is referred to as Inbound and switches.The process of switching is roughly source radio network controller (RNC) or source Home eNodeB judge that a UE need initiate to switch after, send reorientation to core net and require order.After core net receives, by the information of carrying in the order, judge the position at target BS place, send re-positioning request to the target Home eNodeB, the target Home eNodeB reads information wherein, after judgement can insert this UE, reply response message to core net, core net is forwarded to source base station again and begins the handoff procedure that UE is eating dishes without rice or wine.
White tabulation (Allowed CSG list) is UE IMSI (International Mobile SubscriberIdentity, international mobile subscriber identity) information list of signatory all CSG, be stored in network side respectively (as HLR (home location register, HSS (HomeSubscriber Server, home subscriber server)) and UE attaching position register).For the CSG sub-district, only be included in the Allowed CSG list the inside of UE, just allow UE to insert.For UE, CSG is a kind of ability.In the initial access of UE, can connect notice radio network controller (or Home eNodeB) when setting up in RRC (Radio Resource Control, Radio Resource control).When network side is done access control to UE, for supporting CSG and not supporting that the operation that UE did of CSG is different.At switching flow, owing to UE this locality the white tabulation of oneself is arranged for the UE that supports the CSG function, thus can judge whether to report the metrical information of the HNB that oneself can insert according to white tabulation, thus cooperate the access filter process of finishing switching.But, on measuring, give the correct time and to reject the information of the HNB that IMSI do not contract with because UE can't finish and support the UE of CSG similarly to report screening to cause for the UE that does not support the CSG function.Like this, after source base station is initiated handoff request, only just can judge this base station and whether allow UE to insert in the gateway at target BS place or core net.This shows, Inboud handoff procedure for the UE that does not have the CSG ability, owing to initiate the macro base station of switching or the CAMEL-Subscription-Information that Home eNodeB can't be predicted UE IMSI and target Home eNodeB, thereby can initiate many unnecessary switching flows, and these switching flows might be failed.
Summary of the invention
The technical problem to be solved in the present invention provides the method for handover control of a kind of non-CSG terminal to the CSG sub-district, can effectively avoid the generation of blindly switching.
For solving the problems of the technologies described above, the invention provides the method for handover control of a kind of non-CSG terminal to the CSG sub-district, comprise: the source network element obtains the access control information of the UE that does not support the CSG ability in advance, whether initiates switching flow according to this access control information decision.
Further, described access control information comprises CSG or the Home eNodeB that UE allows access at least.
Further, judge by source network element or core net whether UE supports the CSG ability.
Further, described source network element is that UE inserts at random, and described source network element judges by the indication of whether supporting CSG or version information that UE eats dishes without rice or wine to carry in the ability information whether this UE supports the CSG ability.
Further, described source network element is that UE inserts at random, the step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: described source network element sends the first access control information request to core net, at least comprise the UE sign of not supporting the CSG ability and the indication that needs to transmit access control information in the described first access control information request, after described core net receives described request, the described access control information of the UE of CSG ability of not supporting is sent to described source network element.
Further, core net sends to described source network element by one of following message with the described access control information of the UE of CSG ability of not supporting: RAB assignment request message RAB Assignment Request, newly-increased downstream message.
Further, described source network element is that UE enters in handoff procedure, judges by the indication of whether supporting CSG or the version information that carry to the network element of described source network element initiation switching is eated dishes without rice or wine ability information by UE in whether UE supports the CSG ability; The step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: UE switches in the process of described source network element, and the network element of initiating to switch to described source network element is transmitted to described source network element with the described access control information of the UE of CSG ability of not supporting by core net.
Further, described network element of initiating to switch to described source network element requires message to send to core net by reorientation the described access control information of the UE of CSG ability of not supporting, core net sends to described source network element with the described access control information of the UE of CSG ability of not supporting by RELOCATION REQUEST message Relocation Request or newly-increased downstream message.
Further, describedly require the source RNC in the message to carry the described access control information of not supporting the UE of CSG ability by described reorientation to the transparent information container Source RNC To Target RNCTransparent Container cell of Target RNC to network element that described source network element initiate to switch.
Further, described source network element is that UE enters in handoff procedure, and core net judges by ability information or the version information of the UE of this locality storage whether UE supports the CSG ability; The step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: UE switches in the process of described source network element, the network element of initiating to switch to described source network element sends the second access control information request to core net, at least comprise the UE sign of not supporting the CSG ability and the indication that needs to transmit access control information in the described second access control information request, after described core net is received described request, the access control information of described UE is sent to described source network element.
Further, described source network element is that UE enters in handoff procedure, and the parameter of carrying among the UE RRC container RRC Container in the re-positioning request that described source network element is sent according to core net judges whether UE supports the CSG ability; The step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: described source network element sends the first access control information request to core net, after described core net receives described request, the described access control information of the UE of CSG ability of not supporting is sent to described source network element.
Further, the described first access control information request is initial UE message Initial UEMessage, or newly-increased upstream message.
Further, the described second access control information request positioning requirements message RelocationRequired that attaches most importance to, or newly-increased upstream message.
Further, whether described source network element initiates switching flow according to this access control information decision is meant: described source network element is according to the access control information of the described UE that obtains, judge whether UE has the authority that inserts Target cell, only to there being the Target cell that inserts authority to initiate to switch; Perhaps described source network element when being described UE allocating and measuring control information, the CSG CSG sub-district in described access control information not under the measuring control information inner filtration falls.
Further, described source network element is source radio network controller or source Home eNodeB.
Adopt the method for the invention, for the UE that does not support the CSG function by 3G macro base station (or Home eNodeB) in Home eNodeB HNB handoff procedure, selecting control as source node (Home eNodeB or the RNC) basis of switching and the first step that the signatory access control information of this UE IMSI is finished target BS, thereby avoided simply only just finishing the blindness of switching, alleviated and do not supported CSG UE signaling to core net in the Inbound handoff procedure to impact according to metrical information.It is simple, practical that the present invention realizes.
Description of drawings
Fig. 1 is macro base station and HNB topological diagram;
Fig. 2 is HNB and HNB topological diagram;
The switching flow figure that Fig. 3 finishes for multiplexing existing message at the UE that directly enters the cell-of-origin;
The switching flow figure at the UE that directly enter cell-of-origin of Fig. 4 for finishing by newly-increased message;
Fig. 5 finishes the switching flow figure that enters the UE of cell-of-origin (source generation CAMEL-Subscription-Information) at switching for multiplexing existing message;
Fig. 6 finishes the switching flow figure that enters the UE of cell-of-origin (core net generation CAMEL-Subscription-Information) at switching for multiplexing existing message;
Fig. 7 finishes the switching flow figure that enters the UE of cell-of-origin (no CAMEL-Subscription-Information) at switching for multiplexing existing message.
Embodiment
Basic thought of the present invention is: the source network element obtains the access control information of the UE that does not support the CSG ability in advance, whether initiates switching flow according to this access control information decision.
Judgement for the CSG ability of UE is to be finished by network side, can be to finish (as embodiment 1,2,3,5) by the source network element, also can be to finish (as embodiment 4) by core net.
The source network element can be source radio network controller or source Home eNodeB.
Insert at random if the source network element is UE, the source network element can judge whether this UE supports the CSG ability by the indication of whether supporting CSG or version information that UE eats dishes without rice or wine to carry in the ability information.
The source network element is that UE inserts at random, and the source network element can initiatively obtain the access control information of the UE that does not support the CSG ability to core net.Can take following steps: the source network element sends the first access control information request to core net, after core net receives described request, will not support the access control information of the UE of CSG ability to send to the source network element.Core net can will not support the access control information of the UE of CSG ability to send to the source network element by RAB assignment request message (RABAssignment Request) or newly-increased downstream message.
The first access control information request can be initial UE message (Initial UE Message), or newly-increased upstream message.
Enter in handoff procedure if the source network element is UE, one of then can be in the following manner judge whether UE supports the CSG ability: judge by the indication of whether supporting CSG or version information that the network element of initiating to switch to the source network element eats dishes without rice or wine by UE to carry in the ability information; Core net is judged by ability information or the version information of the UE of local storage; The parameter of carrying among the RRC Container (RRC container) of UE in the re-positioning request that the source network element is sent according to core net is judged.
At this moment, the network element access control information of obtaining the UE that does not support the CSG ability in source can be taked one of following mode:
UE switches in the process of source network element, will not support the access control information of the UE of CSG ability to be transmitted to the source network element by core net to the network element that the source network element initiates to switch;
UE switches in the process of source network element, and the network element that initiate to switch to the source network element sends the second access control information request to core net, after core net is received described request, the access control information of UE is sent to the source network element;
The source network element sends the first access control information request to core net, after core net receives described request, will not support the access control information of the UE of CSG ability to send to the source network element.
The second access control information request positioning requirements message (Relocation Required) of can attaching most importance to, or newly-increased upstream message.
No matter be the first access control information request or the second access control information request, all comprise the UE sign of not supporting the CSG ability and the indication that needs to transmit access control information at least, this indication can be the indication of UE ability, core net is received the access control information of returning this UE after this UE ability is indicated, perhaps this indication also can be one directly to send out the indication of access control information, and core net is received the access control information of returning this UE after this indication.
Whether initiating switching flow according to the access control information decision is meant: the source network element is according to the access control information of the UE that does not support the CSG ability that obtains, judge whether this UE has the authority that inserts Target cell, the source network element is only to there being the Target cell that inserts authority to initiate to switch.Particularly, at UE when switch the CSG sub-district, source radio network controller (or source Home eNodeB) is not only considered to measure reporting information but also will be detected Target cell whether in the access control information of UE, require core net if then initiate to switch, and in handoff procedure, the access control information of UE can be delivered to target side, otherwise can not initiate switching to this CSG sub-district.Perhaps, source radio network controller (or source Home eNodeB) when being described UE allocating and measuring control information, the CSG CSG sub-district in access control information not under the measuring control information inner filtration falls.
Access control information can be the promptly white tabulation of the information list of the signatory CSG of existing IMS I, also can be other tabulations that comprise the signatory CSG content of IMSI, in a word, this access control information comprises CSG or the Home eNodeB that UE allows access at least, can make the source network element know tentatively whether UE allows to be linked into Target cell according to this access control information.When access control information comprises the Home eNodeB of UE permission access, be equivalent to a kind of mode of hardware binding, promptly need the UE and the binding of certain Home eNodeB of switching.For example, when UE is measuring, get access to the sign of Home eNodeB under the Target cell, and this sign is reported the source network element; If in the scope of the Home eNodeB that this UE permission that the Home eNodeB that source network element judgement UE reports comprises in access control information inserts, the initiation switching flow of then can making a strategic decision.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail, and the access control information in following examples is example with the signatory CSG tabulation of IMSI all.Wherein Fig. 1 and Fig. 2 illustrate the network topology structure that macro base station and HNB and HNB switch to HNB on the whole.
Embodiment 1:
As shown in Figure 3, after present embodiment is primarily aimed at UE and directly enters macro base station (or Home eNodeB), under the situation of not introducing new signaling the source network element obtain with the signatory CSG tabulation back decision-making of UE IMSI whether to target CS G sub-district switching processing flow process:
After step 301:UE finished access process, RNC (or Home eNodeB) judged UE and does not support CSG according to the UE contents such as the indication of whether supporting CSG of carrying in the ability information or version information of eating dishes without rice or wine;
Whether step 302:RNC (or Home eNodeB) supports the ability of CSG to notify CN UE in Initial UE Message (initial UE message) the inside of mailing to CN, do not support at UE under the situation of CSG ability that core net can be dealt into RNC by RAB ASSIGNMENT REQUEST (RAB assignment request message) the CSG tabulation that the IMSI of UE is signatory;
Step 303:RNC (or Home eNodeB) does switching judging to UE, switching judging not only comprises the judgement of measurement report information, and when the select target sub-district, also need to judge CSG under the target CS G sub-district whether in the signatory CSG tabulation of UE IMSI, have only CSG under the target CS G sub-district in the signatory CSG tabulation of IMSI and the measurement result of this sub-district satisfy to switch and require just to allow switching;
Another processing method signatory CSG list information of this UEIMSI that to be exactly RNC (or Home eNodeB) obtain by step 302 is the suitable measuring control information of UE configuration, fallen the not sub-district in the signatory tabulation of IMSI of affiliated CSG at this measuring control information inner filtration, promptly do not allowed UE remove to measure the not signal quality of the CSG sub-district in the signatory tabulation of IMSI of affiliated CSG.At RNC (or Home eNodeB) UE is done switching judging, still finish, do not need to detect the permission access list of UE according to normal flow process;
Next RNC (or Home eNodeB) sends and switches message to target BS, finishes the whole process of ensuing switching according to existing switching flow.
Embodiment 2:
As shown in Figure 4, after present embodiment is primarily aimed at UE and directly enters the cell-of-origin, by introduce new signaling source network element obtain with the signatory CSG tabulation back decision-making of UE IMSI whether to target CS G sub-district switching processing flow process:
After step 401:UE finished access process, RNC (or Home eNodeB) judged UE and does not support CSG according to the UE contents such as the indication of whether supporting CSG of carrying in the ability information or version information of eating dishes without rice or wine;
Step 402:RNC (or Home eNodeB) finishes obtaining of the signatory CSG tabulation of UE IMSI by newly-increased inquiry interaction message;
At first RNC (or Home eNodeB) sends white tabulation to CN and obtains solicited message (ALLOWEDCSG LIST REQUIRED), after CN received that the back goes out to be request at which UE according to its signaling connection judgment, tabulating in response according to the IMSI information of the UE that the preserves CSG that the IMSI of UE is signatory, message (ALLOWED CSG LIST RESPONSE) was sent to RNC (or Home eNodeB);
Step 403:RNC (or Home eNodeB) does switching judging to UE, switching judging not only comprises the judgement of measurement report information, and whether the CSG that also needs to judge place, target CS G sub-district in the select target sub-district the signatory CSG tabulation of UE IMSI, and the CSG that has only place, target CS G sub-district is in the signatory CSG tabulation of IMSI and measure reporting information and satisfy to switch and require just to allow switching;
Another processing method signatory CSG list information of UE IMSI that to be exactly RNC (or Home eNodeB) obtain by step 402 is the suitable measuring control information of UE configuration, fallen the not sub-district in the signatory tabulation of IMSI at this measuring control information inner filtration, promptly do not allowed UE remove to measure the not signal quality of the CSG sub-district in the signatory tabulation of IMSI.At RNC (or Home eNodeB) UE is done switching judging, still finish, do not need to detect the permission access list of UE according to normal flow process;
Next RNC (or Home eNodeB) sends and switches message to target BS, finishes the whole process of ensuing switching according to existing switching flow.
Embodiment 3:
As shown in Figure 5, present embodiment relates to two source RNC (perhaps Home eNodeB), and RNC2 (or Home eNodeB 2) is current source network element, and RNC1 (or Home eNodeB 1) is the network element of initiating switching to RNC2 (or Home eNodeB 2).Present embodiment is primarily aimed at UE and enters the cell-of-origin by switching, and carry the signatory CSG list information of IMSI in reorientation requires, whether decision-making was to target CS G sub-district switching processing flow process after RNC2 under the situation of not introducing new signaling (or Home eNodeB 2) obtained the CSG tabulation of contracting with UE IMSI.
Step 501: source RNC1 (or Home eNodeB 1) sends reorientation to core net and requires (RelocationRequired), and carries the signatory CSG tabulation of UEIMSI of not supporting the CSG ability in Source RNC To Target RNC Transparent Container (source RNC is to the transparent information container of the Target RNC) cell in message;
In other embodiments, also can carry the signatory CSG tabulation of UE IMSI by other cells of other message, final purpose is the signatory CSG tabulation of UE IMSI that RNC2 (or Home eNodeB 2) is obtained do not support the CSG ability.
Step 502: core net is transmitted this re-positioning request (RelocationRequest) to RNC2 (or Home eNodeB 2), carries to this RNC2 (or Home eNodeB 2) by the CSG list content that Source RNC To Target RNC Transparent Container cell is signatory with UEIMSI;
Step 503:RNC2 (or Home eNodeB 2) does switching judging to UE, switching judging not only comprises the judgement of measurement report information, and when the select target sub-district, also need to judge CSG under the target CS G sub-district whether in the signatory CSG tabulation of UE IMSI, have only CSG under the target CS G sub-district in the signatory CSG tabulation of IMSI and measure reporting information and satisfy to switch and require just to allow switching;
Another processing method signatory CSG list information of UEIMSI that to be exactly RNC2 (or Home eNodeB 2) obtain by step 502 is the suitable measuring control information of UE configuration, fallen the not sub-district in the signatory tabulation of IMSI at this measuring control information inner filtration, promptly do not allowed UE remove to measure the not signal quality of the CSG sub-district in the signatory tabulation of IMSI.At RNC2 (or Home eNodeB 2) UE is done switching judging, still finish, do not need to detect the permission access list of UE according to normal flow process;
Next RNC (or Home eNodeB) sends and switches message to target BS, finishes the whole process of ensuing switching according to existing switching flow.
Embodiment 4:
As shown in Figure 6, present embodiment relates to two source RNC (perhaps Home eNodeB), and RNC2 (or Home eNodeB 2) is current source network element, and RNC1 (or Home eNodeB 1) is the network element of initiating switching to RNC2 (or Home eNodeB 2).Present embodiment is primarily aimed at UE and enters the cell-of-origin by switching, core net is initiatively carried the signatory CSG list information of IMSI in re-positioning request, whether decision-making was to target CS G sub-district switching processing flow process after RNC2 under the situation of not introducing new signaling (or Home eNodeB 2) obtained the CSG tabulation of contracting with UE IMSI.
Step 601: source RNC1 (or Home eNodeB 1) sends reorientation to core net and requires (RelocationRequired), but does not carry the signatory CSG tabulation of IMSI;
In other embodiments, also can send the access control information request to core net by a newly-increased message.
Step 602: core net judges that by ability information or the version information of the UE of this locality storage UE does not support the CSG ability, and then the CSG list information that IMSI is signatory sends to RNC2 (or Home eNodeB 2) in re-positioning request (Relocation Request);
The local storage of core net can be understood as that core net oneself stores, or on HLR or HSS, store but core net can obtain from HLR or HSS.
In other embodiments, core net also can send to RNC2 (or Home eNodeB 2) by the newly-increased message CSG list information that IMSI is signatory.
Step 603:RNC2 (or Home eNodeB 2) does switching judging to UE, switching judging not only comprises the judgement of measurement report information, and when the select target sub-district, also need to judge CSG under the target CS G sub-district whether in the signatory CSG tabulation of UE IMSI, have only CSG under the target CS G sub-district in the signatory tabulation of UE IMSI and measure reporting information and satisfy to switch and require just to allow switching;
Another processing method signatory CSG list information of UEIMSI that to be exactly RNC2 (or Home eNodeB 2) obtain by step 602 is the suitable measuring control information of UE configuration, fallen the not sub-district in the signatory tabulation of IMSI at this measuring control information inner filtration, promptly do not allowed UE remove to measure the not signal quality of the CSG sub-district in the signatory tabulation of IMSI.At RNC2 (or Home eNodeB 2) UE is done switching judging, still finish, do not need to detect the permission access list of UE according to normal flow process;
Next RNC (or Home eNodeB) sends and switches message to target BS, finishes the whole process of ensuing switching according to existing switching flow.
Embodiment 5:
As shown in Figure 7, present embodiment relates to two source RNC (perhaps Home eNodeB), and RNC2 (or Home eNodeB 2) is current source network element, and RNC1 (or Home eNodeB 1) is the network element of initiating switching to RNC2 (or Home eNodeB 2).After present embodiment is primarily aimed at UE and enters the cell-of-origin by switching, RNC2 under the situation of not introducing new signaling (or Home eNodeB 2) obtain with the signatory CSG tabulation back decision-making of UE IMSI whether to target CS G sub-district switching processing flow process.
Step 701: source RNC1 (or Home eNodeB 1) sends reorientation to core net and requires (RelocationRequired), but does not carry the signatory CSG list information of UE; Core net mails to and does not also carry the signatory CSG tabulation of UE in the re-positioning request (Relocation Request) of target side RNC2 (or Home eNodeB 2);
After step 702:UE finishes and switches to RNC2 (or Home eNodeB 2), RNC2 (or Home eNodeB 2) can according to core net send RRC Container (RRC container) lining of UE of the re-positioning request the inside parameter of carrying judge UE and whether support the CSG ability;
Whether step 703:RNC2 (or Home eNodeB 2) supports the CSG ability to notify CN UE in the Initial UE Message message the inside of mailing to CN, under the situation of not supporting CSG, core net can be dealt into RNC by initiatively that the IMSI of UE is the signatory CSG tabulation of RAB ASSIGNMENT REQUEST;
Step 704:RNC2 (or Home eNodeB 2) does switching judging to UE, switching judging not only comprises the judgement of measurement report information, and when the select target sub-district, also need to judge CSG under the target CS G sub-district whether in the signatory CSG tabulation of UE IMSI, have only CSG under the target CS G sub-district in the signatory CSG tabulation of the IMSI of UE and measure reporting information and satisfy to switch and require just to allow switching;
Another processing method signatory CSG list information of UEIMSI that to be exactly RNC2 (or Home eNodeB 2) obtain by step 703 is the suitable measuring control information of UE configuration, fallen the not sub-district in the signatory tabulation of IMSI at this measuring control information inner filtration, promptly do not allowed UE remove to measure the not signal quality of the CSG sub-district in the signatory tabulation of IMSI.At RNC2 (or Home eNodeB 2) UE is done switching judging, still finish, do not need to detect the permission access list of UE according to normal flow process;
Next RNC (or Home eNodeB) sends and switches message to target BS, finishes the whole process of ensuing switching according to existing switching flow.
The wherein description of the step 703 of embodiment 5 also can adopt the description of the step 402 of new interaction message such as embodiment 2 to finish, and here is not described in detail.
In addition, for obtaining the time of origin of the signatory HNB information of UE from CN or other network elements at source HNB or RNC, also can be in any time (finishing) before switching by interacting message, and do not limit and after UE inserts, finish this operating process at once.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a non-CSG terminal is characterized in that to the method for handover control of CSG sub-district,
The source network element obtains the access control information of the UE that does not support the CSG ability in advance, whether initiates switching flow according to this access control information decision.
2. the method for claim 1 is characterized in that,
Described access control information comprises CSG or the Home eNodeB that UE allows access at least.
3. the method for claim 1 is characterized in that,
Judge by source network element or core net whether UE supports the CSG ability.
4. method as claimed in claim 3 is characterized in that,
Described source network element is that UE inserts at random, and described source network element judges by the indication of whether supporting CSG or version information that UE eats dishes without rice or wine to carry in the ability information whether this UE supports the CSG ability.
5. method as claimed in claim 4 is characterized in that, described source network element is that UE inserts at random, and the step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises:
Described source network element sends the first access control information request to core net, at least comprise the UE sign of not supporting the CSG ability and the indication that needs to transmit access control information in the described first access control information request, after described core net receives described request, the described access control information of the UE of CSG ability of not supporting is sent to described source network element.
6. method as claimed in claim 5 is characterized in that,
Core net sends to described source network element by one of following message with the described access control information of the UE of CSG ability of not supporting: RAB assignment request message RAB Assignment Request, newly-increased downstream message.
7. method as claimed in claim 3 is characterized in that,
Described source network element is that UE enters in handoff procedure, judges by the indication of whether supporting CSG or the version information that carry to the network element of described source network element initiation switching is eated dishes without rice or wine ability information by UE in whether UE supports the CSG ability;
The step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: UE switches in the process of described source network element, and the network element of initiating to switch to described source network element is transmitted to described source network element with the described access control information of the UE of CSG ability of not supporting by core net.
8. method as claimed in claim 3 is characterized in that,
Described source network element is that UE enters in handoff procedure, and core net judges by ability information or the version information of the UE of this locality storage whether UE supports the CSG ability;
The step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: UE switches in the process of described source network element, the network element of initiating to switch to described source network element sends the second access control information request to core net, at least comprise the UE sign of not supporting the CSG ability and the indication that needs to transmit access control information in the described second access control information request, after described core net is received described request, the access control information of described UE is sent to described source network element.
9. method as claimed in claim 3 is characterized in that,
Described source network element is that UE enters in handoff procedure, and the parameter of carrying among the UE RRC container RRC Container in the re-positioning request that described source network element is sent according to core net judges whether UE supports the CSG ability;
The step that the source network element obtains the access control information of the UE that does not support the CSG ability comprises: described source network element sends the first access control information request to core net, after described core net receives described request, the described access control information of the UE of CSG ability of not supporting is sent to described source network element.
10. as claim 5 or 9 described methods, it is characterized in that,
The described first access control information request is initial UE message Initial UE Message, or newly-increased upstream message.
11. method as claimed in claim 8 is characterized in that,
The described second access control information request positioning requirements message Relocation Required that attaches most importance to, or newly-increased upstream message.
12. method as claimed in claim 7 is characterized in that,
Described network element of initiating to switch to described source network element requires message to send to core net by reorientation the described access control information of the UE of CSG ability of not supporting, core net sends to described source network element with the described access control information of the UE of CSG ability of not supporting by RELOCATION REQUEST message Relocation Request or newly-increased downstream message.
13. method as claimed in claim 12 is characterized in that,
Describedly require the source RNC in the message to carry the described access control information of not supporting the UE of CSG ability by described reorientation to the transparent information container Source RNC To Target RNC TransparentContainer cell of Target RNC to network element that described source network element initiate to switch.
14. as the described method of arbitrary claim among the claim 1-9, it is characterized in that,
Whether described source network element initiates switching flow according to this access control information decision is meant:
Described source network element judges according to the access control information of the described UE that obtains whether UE has the authority that inserts Target cell, only to there being the Target cell that inserts authority to initiate to switch; Perhaps
Described source network element when being described UE allocating and measuring control information, the CSG CSG sub-district in described access control information not under the measuring control information inner filtration falls.
15. as the described method of arbitrary claim among the claim 1-9, it is characterized in that,
Described source network element is source radio network controller or source Home eNodeB.
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