CN105338512A - Mechanism supporting use of HeNB (Home evolved Node B) as secondary evolved node B (SeNB) in dual-connectivity system - Google Patents
Mechanism supporting use of HeNB (Home evolved Node B) as secondary evolved node B (SeNB) in dual-connectivity system Download PDFInfo
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Abstract
The invention provides a mechanism supporting use of a HeNB (Home evolved Node B) as a secondary evolved node B (SeNB) in a dual-connectivity system. The method comprises the following steps that: A, an MeNB (Main evolved Node B) configures UE (User Equipment) in order that the UE can transmit information indicating that the UE is close to or far away from the HeNB to the MeNB when the UE detects the HeNB being close to or far away from the UE in a CSG (Closed Subscriber Group) whitelist; B, when the UE detects the HeNB in the CSG whitelist, the UE transmits a proximity indication and an identifier of the detected HeNB and a member relationship between the detected HeNB and the UE to the MeNB; C, if the MeNB does not perform any measurement configuration on an RAT (Radio Access Type) and a frequency of the detected HeNB, the MeNB performs a corresponding measurement configuration on the UE; D, the UE transmits a measurement result of the detected HeNB to the MeNB according to the measurement configuration performed on the UE by the MeNB; and E, the MeNB receives the measurement result, and decides whether to add the detected HeNB as the SeNB. Through the adding mechanism provided by the invention, adding of the HeNB can be finished without changing an existing hardware environment, thereby greatly reducing the cost.
Description
Technical field
The present invention generally relates to wireless communication field, more specifically, relates to for supporting that HeNB (Home eNodeB) is for the mechanism at the prothetic group station in dual link system.
Background technology
HeNB is widely used because it arranges simple.HeNB is generally configured to following Three models: the open access module of (1) OpenMode, means that this HeNB can provide service for all registered users in network; (2) HybridAccessMode mixing access module, means that this HeNB not only can provide service for relevant CSG (closed user group) member, also can provide service for the registered user not belonging to this CSG but this network; (3) CloseAccessMode closes access module, and namely this HeNB can only provide service for relevant CSG member.
In the technical scheme that the small-cell of E-UTRA and E-UTRAN strengthens, supporting that HeNB is applied in dual link system is also the problem that will study and solve.If SeNB is CSGHeNB, this SeNB can only allow to access as the UE of CSG member.But MeNB does not also know that whether each UE is the member in CSGSeNB.If SeNB is mixing HeNB, this SeNB adopts different priority by CSG member UE and non-member UE.
In the current discussion about dual link system, HeNB is not considered into.Due to the feature (such as there is the HeNB of Three models) of HeNB self, when adding HeNB as SeNB, owing to not having X2 interface between HeNB and MeNB, the process of establishing of the dual link of MeNB and SeNB therefore connected by X2 interface is no longer applicable to have the new scene of HeNB.
In dual link system, need to define, to support that HeNB can as SeNB as the behavior of system during SeNB or operation HeNB.In addition, owing to not having X2 interface between HeNB and other eNB, the SeNB relative program of current definition is not suitable for HeNB yet.Therefore, need badly a kind of in dual link communication system, HeNB is added to the mechanism of SeNB.
Summary of the invention
For above problem, the invention provides the mechanism in a kind of dual link system, HeNB being added to SeNB (prothetic group station), by this mechanism, can support that dual link operates in more scene, such as, be furnished with the network of HeNB.
One aspect of the present invention proposes one in dual link system, adds the method that Home eNodeB (HeNB) is prothetic group station (SeNB), comprising: A.MeNB is configured UE, sending information close to or far away from described HeNB when its HeNB in the CSG whitelist of described UE being detected to described MeNB to enable described UE; B., when described UE detects the HeNB in described CSG whitelist, described UE is by the close instruction of the HeNB detected by transmission, mark and the extremely described MeNB of the member relation between detected HeNB and described UE; If C. described MeNB does not carry out measurement configuration to the wireless access type (RAT) of detected HeNB and frequency, then described MeNB measures configuration accordingly to described UE; D. described UE is according to the measurement configuration of described MeNB to it, sends the measurement result extremely described MeNB to detected HeNB; E. described MeNB receives described measurement result, determines that whether to add detected HeNB be SeNB, and adding it if determine be SeNB, then described MeNB is to the auxiliary base station requests of HeNB transmission interpolation of institute for adding.
Preferably, in step e: described MeNB first sends the auxiliary base station requests of described interpolation to mobile management entity (MME), then by the HeNB of the described MME institute's wish interpolation that determines whether allow UE access; If described UE be the member of HeNB for adding, then obtain the mandate of HeNB of access institute for adding, described MME sends the auxiliary base station requests of described interpolation extremely described HeNB; If described UE be not the member of HeNB for adding, then do not obtain the mandate of HeNB of access institute for adding, then MME is by transmissions refusal interpolation instruction extremely described MeNB.
Preferably, described measurement result comprises the member relation between the mark of detected HeNB and detected HeNB and described UE.
The invention allows for one in dual link system, add the method for operation that be applied to dominant base (MeNB) of Home eNodeB (HeNB) for prothetic group station (SeNB), comprise: A.MeNB is configured subscriber equipment (UE), to receive the information of the HeNB that can indicate described UE in the CSG whitelist of described UE sent by described UE; B. described MeNB carries out measurement configuration to described UE, and receives the metrical information about detected HeNB from described UE; C. based on described metrical information, described MeNB determines that whether adding detected HeNB is SeNB, if described MeNB determines that adding this HeNB is SeNB, then sends the auxiliary base station requests of interpolation to institute for the HeNB added; Wherein, described metrical information comprises the mark of the HeNB detected by described UE and the member relation between detected HeNB and described UE.
Preferably, the auxiliary base station requests of described interpolation comprise for add HeNB mark and institute for interpolation HeNB and described UE between member relation.
Preferably, also comprise in step B: when described UE detects the HeNB in the CSG whitelist of described UE, described MeNB also receives the wireless access type (RAT) from the contiguous indication information of described UE and the frequency of detected HeNB and detected HeNB.
Preferably, if described MeNB does not configure accordingly to the measurement of the wireless access type (RAT) of detected HeNB and the frequency of detected HeNB, then described MeNB carries out measuring accordingly being configured to obtain described metrical information to described UE.
Preferably, described MeNB also receive service quality (QoS) parameter that described UE is provided of HeNB for adding.
Preferably, whether described MeNB will add detected HeNB for SeNB based on described QoS parameter with decision.
Preferably, in step C to send for the HeNB added and add the step of auxiliary base station requests and also comprise: MeNB to send to mobile management entity (MME) and adds auxiliary base station requests, if described UE be the member of HeNB for adding, then obtain the mandate of HeNB of access institute for interpolation, thus send the auxiliary base station requests of described interpolation by mobile management entity (MME) to described HeNB; If described UE be not the member of HeNB for adding, then do not have the mandate of access institute for the HeNB of interpolation, then the refusal that described MeNB receives from described MME adds the information that this HeNB is prothetic group station.
The invention also discloses one in dual link system, add the method for operation that be applied to subscriber equipment (UE) of Home eNodeB (HeNB) for prothetic group station (SeNB), comprise: UE is according to the configuration of MeNB to it, when described UE detects the HeNB in its CSG whitelist, described UE sends the contiguous indication information relevant to detected HeNB to described MeNB; Wherein, described contiguous indication information comprises the wireless access type (RAT) close to information, detected HeNB frequency and detected HeNB for characterizing the HeNB of described UE in its CSG whitelist.
Preferably, described UE is according to the measurement configuration of described MeNB to it, the metrical information extremely described MeNB that HeNB detected by transmission is relevant, wherein, described metrical information comprises the mark of detected HeNB and the member relation between detected HeNB and described UE.
Preferably, if described MeNB does not carry out measurement configuration to described UE to the wireless access type (RAT) of detected HeNB and frequency, then described UE receives the corresponding measurement configuration of described MeNB to it, and then sends described metrical information to described MeNB.
The invention allows for one in dual link system, add the method for operation that be applied to HeNB of Home eNodeB (HeNB) for prothetic group station (SeNB), comprise: receive and add auxiliary base station requests, the auxiliary base station requests of described interpolation comprise the mark being in the HeNB in its CSG whitelist detected by UE and this HeNB and and described UE between member relation; Determine whether to accept to be added to SeNB and send and add the auxiliary base station requests confirmation of interpolation that described HeNB is SeNB, if described HeNB agrees to that acceptance is added to SeNB, then send service quality (QoS) parameter that can provide for the UE at least partially in described UE.
The invention allows for one in dual link system, add the method for operation that be applied to mobile management entity (MME) of Home eNodeB (HeNB) for prothetic group station (SeNB), comprising: receive and add the auxiliary base station requests of interpolation that HeNB is SeNB; Judge UE be whether the member of HeNB for adding, if the member of HeNB that described UE is institute for adding, then obtain the mandate of the described HeNB of access, then send the auxiliary base station requests of described interpolation extremely described HeNB; If described UE be not the member of HeNB for adding, then do not obtain mandate access described HeNB, then sending the described HeNB of refusal interpolation is that the information at prothetic group station is to dominant base; And/or receive the auxiliary base station requests confirmation of interpolation that the described HeNB of interpolation is SeNB; The auxiliary base station requests confirmation of interpolation that described interpolation HeNB is SeNB is sent to dominant base (MeNB).
By interpolation of the present invention mechanism, HeNB can be added to SeNB, thus just can complete interpolation to HeNB without the need to changing existing hardware environment (namely between MeNB and HeNB without X2 interface), greatly reduce cost.
Accompanying drawing explanation
After description by reference to the specific embodiment of the present invention given by following accompanying drawing, the present invention will be understood better, and other objects of the present invention, details, feature and advantage will become more apparent.In the accompanying drawings:
Fig. 1 is the network architecture schematic diagram with HeNB;
Fig. 2 be according to the embodiment of the present invention in dual link system, add the flow chart that HeNB is SeNB.
Embodiment
Below with reference to accompanying drawings preferred implementation of the present disclosure is described in more detail.Although show preferred implementation of the present disclosure in accompanying drawing, but should be appreciated that, the disclosure can be realized in a variety of manners and not should limit by the execution mode of setting forth here.On the contrary, provide these execution modes to be to make the disclosure more thorough and complete, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
In conjunction with diagram, embodiments of the invention are set forth.
Fig. 1 is the network architecture schematic diagram with HeNB.
In this network architecture, E-URTAN contains multiple HeNB.In dual link system, if HeNB is added to SeNB, needs some attributes considering himself, enumerate relevant attribute below:
(1) E-URTAN can be configured UE, makes it report the state that it is current, such as UE can report that it is entering or away from the community be included in CSG whitelist (such as HeNB).
(2) E-UTRAN can ask the information that UE provides extra, such as Cell identity (mark of such as HeNB), member relation state.
(3) MME in network is used for the access control of CSG Member Users, if that is UE is the member of this HeNB, then the access request of UE is sent to HeNB by MME, otherwise MME is by the request of refusal UE.
In addition, also can be found out not have X2 interface between HeNB, between other eNB, then there is corresponding X2 interface by Fig. 1.Therefore, the communication between MeNB and HeNB must be passed through HeNBGW (femto gateway) to carry out.
Fig. 2 be according to the embodiment of the present invention in dual link system, HeNB is added to the process schematic of SeNB.
First, in the step s 21, MeNB sends configuration information to UE, to be configured UE.Particularly, MeNB is configured UE, sends the information close to or far away from HeNB to enable UE when its HeNB in the CSG whitelist of UE being detected to MeNB; .
In step S22, its HeNB in the CSG whitelist of UE detected through the UE of configuration, sending contiguous instruction (proximityindication) to MeNB.
Particularly, the instruction of this vicinity comprises and characterizes UE close to or far away from the wireless access type (RAT) of the information of HeNB, the mark of this HeNB and this HeNB and frequency.。
After MeNB receives the information of UE transmission, whether decision is configured accordingly to the wireless access type (RAT) of HeNB and the measurement of frequency, if desired configures, then perform step S23.That is, if MeNB does not carry out measurement configuration to the wireless access type (RAT) of the HeNB detected by UE and frequency, then MeNB will measure configuration accordingly to UE, and then this measurement configuration is sent to UE.
In step S23, the configuration information of the wireless access type (RAT) of HeNB and the measurement of frequency is sent to UE by MeNB, to carry out measurement configuration to UE.
In step s 24 which, the measurement that UE carries out HeNB according to MeNB to its configuration, and the relevant metrical information of HeNB detected by sending is to MeNB, wherein, metrical information comprises the member relation between the mark of detected HeNB and this HeNB and UE.
In step s 25, MeNB receives described measurement result, determines that whether to add detected HeNB be SeNB, and adding it if determine be SeNB, then MeNB is to the HeNB transmission interpolation auxiliary base station requests of institute for adding.Owing to not having X2 interface between MeNB and HeNB, therefore, the auxiliary base station requests of this interpolation needs first to be sent to MME.
In step S26, MeNB sends and adds auxiliary base station requests to MME.Correspondingly, the auxiliary base station requests of this interpolation comprise for the member relation between the mark of HeNB of adding and this HeNB and UE.
In step s 27, MME according to the information received, by judge this UE be whether the member of HeNB for adding.If UE is member's (namely UE obtains the mandate of this HeNB of access) of this HeNB, then perform step S29, namely auxiliary for interpolation base station requests is sent to HeNBGW by MME; If UE does not obtain the mandate of this HeNB of access, then perform step S28, namely transmission refusal is added this HeNB by MME is that the information at prothetic group station is to MeNB.
When HeNBGW receive MME send the auxiliary base station requests of interpolation after, it will perform step S30, by this request forward to wish interpolation HeNB.
After HeNB receives the auxiliary base station requests of this interpolation, it is by according to its current state such as himself loading condition, and can the factors such as the service quality (QoS) that provide this user to ask for this user determine whether that acceptance is added to SeNB.After accepting interpolation after HeNB determines, it will perform step S31, namely send to add to ask to confirm.
Preferably, HeNB can provide service quality (QoS) parameter and above-mentioned interpolation request to confirm together to be sent to MeNB for described UE, namely in turn be sent to MeNB by step S32, S33.And after MeNB receives this confirmation, if it still determines that adding this will reshuffle UE, then perform step S34, MeNB and send and add prothetic group station reconfiguration information to UE, to be configured UE.
In step s 35, user by the information feed back of having reshuffled to MeNB.Equally, in step S36-38, UE is sent to HeNB about the information of having reshuffled of adding prothetic group station by MME, HeNBGW by MeNB step by step.
After HeNB receives the information of having reshuffled, it just can be the same with the auxiliary base station process of interpolation of the prior art, performs subsequent operation.For example, the random access procedure signal in Fig. 2, and state transfer is all consistent with existing communication network workflow with the process of data retransmission.
Certainly, can provide service quality (QoS) parameter this information for described UE for providing to MeNB, also can exist only in the situation that SeNB is the HeNB of mixed mode.That is, the HeNB due to mixed mode can give the member UE priority different from non-member UE, and therefore, the UE that identity is different, getable service is different.Under this prerequisite, the HeNB of mixed mode to MeNB, such as, has the QoS of the UE of lower priority for UE at least partially feeds back service quality (QoS) parameter (resource quantity that such as HeNB can provide or the speed provided) that can provide for it.Then, this MeNB can determine that whether adding this HeNB is SeNB further.
By interpolation of the present invention mechanism, HeNB can be added to SeNB, thus just can complete interpolation to HeNB without the need to changing existing hardware environment (namely between MeNB and HeNB without X2 interface), greatly reduce cost.
Those skilled in the art, it is understood that above-mentioned state is only for example, are not intended to limit range of application of the present invention.Those of ordinary skill in the art it is also understood that various exemplary logical block, module, circuit and algorithm steps that the embodiment in conjunction with the application describes can be embodied as electronic hardware, computer software or the combination of the two.In order to clearly represent this interchangeability between hardware and software, all around its function, general description is carried out to various exemplary parts, block, module, circuit and step above.Be embodied as hardware as this function or be embodied as software, the design constraint depending on specific application and apply over the whole system.Those skilled in the art for often kind of application-specific, can realize described function in the mode of accommodation, but, thisly realize decision-making and should not be construed as and deviate from protection scope of the present invention.
Claims (15)
1. in dual link system, add Home eNodeB (HeNB) for a method of prothetic group station (SeNB), comprising:
A.MeNB is configured UE, sends the information close to or far away from described HeNB to enable described UE when its HeNB in the CSG whitelist of described UE being detected to described MeNB;
B., when described UE detects the HeNB in described CSG whitelist, described UE is by the close instruction of the HeNB detected by transmission, mark and the extremely described MeNB of the member relation between detected HeNB and described UE;
If C. described MeNB does not carry out measurement configuration to the wireless access type (RAT) of detected HeNB and frequency, then described MeNB measures configuration accordingly to described UE;
D. described UE is according to the measurement configuration of described MeNB to it, sends the measurement result extremely described MeNB to detected HeNB;
E. described MeNB receives described measurement result, determines that whether to add detected HeNB be SeNB, and adding it if determine be SeNB, then described MeNB is to the auxiliary base station requests of HeNB transmission interpolation of institute for adding.
2. the method for claim 1, wherein in step e:
Described MeNB first sends the auxiliary base station requests of described interpolation to mobile management entity (MME), then by the HeNB of the described MME institute's wish interpolation that determines whether allow UE access;
If described UE be the member of HeNB for adding, then obtain the mandate of HeNB of access institute for adding, described MME sends the auxiliary base station requests of described interpolation extremely described HeNB;
If described UE be not the member of HeNB for adding, then do not obtain the mandate of HeNB of access institute for adding, then MME is by transmissions refusal interpolation instruction extremely described MeNB.
3. the method for claim 1, wherein described measurement result comprises the member relation between the mark of detected HeNB and detected HeNB and described UE.
4. in dual link system, add the method for operation that be applied to dominant base (MeNB) of Home eNodeB (HeNB) for prothetic group station (SeNB), comprising:
A.MeNB is configured subscriber equipment (UE), to receive the information of the HeNB that can indicate described UE in the CSG whitelist of described UE sent by described UE;
B. described MeNB carries out measurement configuration to described UE, and receives the metrical information about detected HeNB from described UE;
C. based on described metrical information, described MeNB determines that whether adding detected HeNB is SeNB, if described MeNB determines that adding this HeNB is SeNB, then sends the auxiliary base station requests of interpolation to institute for the HeNB added;
Wherein, described metrical information comprises the mark of the HeNB detected by described UE and the member relation between detected HeNB and described UE.
5. method as claimed in claim 4, wherein,
The auxiliary base station requests of described interpolation comprise for add HeNB mark and institute for interpolation HeNB and described UE between member relation.
6. method as claimed in claim 4, wherein, also comprises in step B:
When described UE detects the HeNB in the CSG whitelist of described UE, described MeNB also receives the wireless access type (RAT) from the contiguous indication information of described UE and the frequency of detected HeNB and detected HeNB.
7. method as claimed in claim 6, wherein, if described MeNB does not configure accordingly to the measurement of the wireless access type (RAT) of detected HeNB and the frequency of detected HeNB, then described MeNB carries out measuring accordingly being configured to obtain described metrical information to described UE.
8. method as claimed in claim 4, wherein, described MeNB also receives service quality (QoS) parameter that to described UE provide of institute for the HeNB of interpolation.
9. method as claimed in claim 8, wherein, whether described MeNB will add detected HeNB for SeNB based on described QoS parameter with decision.
10. method as claimed in claim 4, wherein, the step sending the auxiliary base station requests of interpolation for the HeNB added to institute in step C also comprises:
MeNB sends to mobile management entity (MME) and adds auxiliary base station requests, if described UE be the member of HeNB for adding, then obtain the mandate of HeNB of access institute for interpolation, thus send the auxiliary base station requests of described interpolation by mobile management entity (MME) to described HeNB;
If described UE be not the member of HeNB for adding, then do not have the mandate of access institute for the HeNB of interpolation, then the refusal that described MeNB receives from described MME adds the information that this HeNB is prothetic group station.
11. 1 kinds are added the method for operation that be applied to subscriber equipment (UE) of Home eNodeB (HeNB) for prothetic group station (SeNB), comprising in dual link system:
UE is according to the configuration of MeNB to it, and when described UE detects the HeNB in its CSG whitelist, described UE sends the contiguous indication information relevant to detected HeNB to described MeNB;
Wherein, described contiguous indication information comprises the wireless access type (RAT) close to information, detected HeNB frequency and detected HeNB for characterizing the HeNB of described UE in its CSG whitelist.
12. methods as claimed in claim 11, wherein, described UE is according to the measurement configuration of described MeNB to it, the metrical information extremely described MeNB that HeNB detected by transmission is relevant, wherein, described metrical information comprises the mark of detected HeNB and the member relation between detected HeNB and described UE.
13. methods as claimed in claim 12, wherein, if described MeNB does not carry out measurement configuration to described UE to the wireless access type (RAT) of detected HeNB and frequency, then described UE receives the corresponding measurement configuration of described MeNB to it, and then sends described metrical information to described MeNB.
14. 1 kinds are added the method for operation that be applied to HeNB of Home eNodeB (HeNB) for prothetic group station (SeNB), comprising in dual link system:
Receive and add auxiliary base station requests, the auxiliary base station requests of described interpolation comprise the mark being in the HeNB in its CSG whitelist detected by UE and this HeNB and and described UE between member relation;
Determine whether to accept to be added to SeNB and send and add the auxiliary base station requests confirmation of interpolation that described HeNB is SeNB, if described HeNB agrees to that acceptance is added to SeNB, then send service quality (QoS) parameter that can provide for the UE at least partially in described UE.
15. 1 kinds are added the method for operation that be applied to mobile management entity (MME) of Home eNodeB (HeNB) for prothetic group station (SeNB), comprising in dual link system:
Receive and add the auxiliary base station requests of interpolation that HeNB is SeNB;
Judge UE be whether the member of HeNB for adding,
If described UE be the member of HeNB for adding, then obtain the mandate of the described HeNB of access, then send the auxiliary base station requests of described interpolation to described HeNB;
If described UE be not the member of HeNB for adding, then do not obtain mandate access described HeNB, then sending the described HeNB of refusal interpolation is that the information at prothetic group station is to dominant base; And/or
Receive and add the auxiliary base station requests confirmation of interpolation that described HeNB is SeNB;
The auxiliary base station requests confirmation of interpolation that described interpolation HeNB is SeNB is sent to dominant base (MeNB).
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| CN108810962A (en) * | 2017-04-28 | 2018-11-13 | 展讯通信（上海）有限公司 | Dual link measuring configuration method, communication system, base station and readable storage medium storing program for executing |
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