CN101646222B - Method and system for relocking position of home base station - Google Patents

Abstract

The invention discloses a method for relocking the position of a home base station, comprising the following steps: logging out the current position identification of the home base station by a home base station management system; acquiring new position information and requesting a corresponding position identification from the home base station management system according to the new position information by the home station; inquiring the corresponding position identification from a conversation connection position and a memory function entity (CLF) according to the new position information by the home base station management system; determining the position of the home base station according to the obtained position identification; and re-registering new position information. The invention also discloses a system for relocking the position of the home base station. The method and the system for relocking the position of the home base station relock the position of the home base station when the home base station is moved and eliminates many inconvenience and threats brought by the position movement of the home base station.

Description

A kind of method and system of relocking position of home base station

Technical field

The present invention relates to the locking femtocell positions technology in radio honeycomb communication system, relate in particular to a kind of method and system of relocking position of home base station.

Background technology

Home eNodeB (HNB, Home NodeB) is used to the user terminal (UE, User Equipment) of 3-G (Generation Three mobile communication system) (3G, 3rdGeneration) that the wireless coverage of the 3G in family is provided.The radio resource management function of the function of the NodeB (element of the grand Radio Access Network of 3G) that HNB has comprised a standard and the radio network controller (RNC, Radio Network Controller) of a standard.

Fig. 1 has described the system configuration of HNB, wherein, third generation partner program (3GPP, 3rdGeneration Partnership Project) UE and and HNB between interface in Universal Terrestrial Radio Access Network (UTRAN, Universal Terrestrial Radio Access Network), be backhaul and compatible air interface.HNB is by a security gateway (SeGW; Security Gateway) core net of access carrier; bandwidth Internet protocol (IP between HNB and SeGW; Internet Protocol) backhaul may be unsafe, the informational needs transmitting in this backhaul is protected by the escape way of setting up between HNB and SeGW.SeGW represents that the core net of operator and HNB authenticate mutually, HNB gateway (HNB, HNB Gateway) be the entity separating in logic in the core net of operator with SeGW, be used for the access control of the UE of non-closed user group (CSG, Closed Subscriber Group).Operation management maintain (OAM, Operation Administration and Maintenance) needs safe communication.

Fig. 2 has described home evolved node B (HeNB, Home evolved NodeB) system configuration, the system configuration difference of HeNB and HNB is, HeNB connects the UE of 3GPP and the air interface of evolution Universal Terrestrial Radio Access Network (EURTAN, Evolved Universal Terrestrial Radio Access Network).

H (e) NB comprises HNB and HeNB, is the general designation of HNB and HeNB.For the safety of H (e) NB, 3GPP technical report (TR, Technical Report) define 27 kinds of threats in 33.820, these 27 kinds of threats are summarized as 7 classes, that is: the harm to H (e) NB credentials, to the physical attacks of H (e) NB, the structure of H (e) NB is attacked, to the protocol attack of H (e) NB, to the attack of core net, data to user and the attack of privacy of identities, and attack to Radio Resource and management.

Wherein, the attack of core net has been comprised to the attack based on H (e) NB position.In 3GPP TR 33.820, provided a kind of locking position mechanism and overcome the scheme of attacking based on H (e) NB position, as shown in Figure 3, this locking position mechanism mainly comprises the following steps:

Step 301, the position registration of H (e) NB;

Step 302, the location-authentication of H (e) NB.

But in actual application, for popularity and the flexibility of H (e) NB application, very imperfection of this locking position mechanism, does not also move relocking of rear reposition to H (e) NB at present in related specifications any solution is provided.

Because H (e) NB can move, after it moves to a reposition for various reasons, if its position can not be relocked, H (e) NB can not be used again so.Thereby the urgent call that this H (e) NB sends can not be determined position reliably, or send to correct EC; In addition, legal position message intercept also impossible by what become.

After the IP address-based position of H (e) NB is moved, if there is no the mechanism that relocks of the IP address-based reposition of H (e) NB, in the time that a H (e) NB is placed on another one region, proxy server just can use H (e) NB therewith to pretend to be identical IP address this rationally H (e) NB of registration, carries out proxy attack.

As can be seen here, need to propose a kind of improving effectively in order to realize the scheme of H (e) NB re-locking positions, to solve H (e) NB because moving the multiple inconvenience and the threat that are brought in position.

Summary of the invention

In view of this, main purpose of the present invention is to provide a kind of method and system of relocking position of home base station, to solve Home eNodeB because moving the multiple inconvenience and the threat that are brought in position.

For achieving the above object, technical scheme of the present invention is achieved in that

A kind of method that the invention provides relocking position of home base station, the method comprises:

Home eNodeB management system H (e) MS nullifies the current station location marker of Home eNodeB H (e) NB;

Described H (e) NB obtains new positional information, and asks corresponding station location marker according to described new positional information to H (e) MS;

Described H (e) MS is according to described new positional information, inquire about corresponding station location marker from connecting session location and memory function entity CLF, determine the position of described H (e) NB according to the station location marker obtaining, and re-register described new positional information.

The method further comprises: when described H (e) MS changes in the position of knowing H (e) NB, nullify the current station location marker of described H (e) NB.

The method further comprises:

When described H (e) NB changes in position, to the de-registration request of H (e) MS launch position mark;

Described H (e) MS receives after de-registration request, nullifies the current station location marker of described H (e) NB;

Described H (e) MS replys and nullifies successful message to H (e) NB, and authorizes described H (e) NB to allow to carry out re-registering of station location marker.

Described H (e) MS inquires about corresponding station location marker according to new positional information from CLF, is specially:

Described H (e) MS sends the request of inquiry correspondence position mark to described CLF according to new positional information;

The database of described CLF search self, inquires about the station location marker corresponding with described new positional information, if there is corresponding station location marker in described database, the station location marker inquiring is sent to described H (e) MS; If there is not corresponding positional information in described database, described new positional information is sent to network management center;

Described network management center checks whether described new positional information can be used, if unavailable, refuses the service access of described H (e) NB; If available, the station location marker of registration based on described new positional information in the database of described CLF, and will after described new positional information and station location marker binding, send to H (e) MS.

The method further comprises: described network management center, in the time of the service access of refusal H (e) NB, returns to reason for rejection to described H (e) NB.

The present invention also provides a kind of system of relocking position of home base station, and this system comprises: H (e) NB, H (e) MS and CLF, wherein,

Described H (e) NB, when changing in position, obtains new positional information, and asks corresponding station location marker according to described new positional information to H (e) MS;

Described H (e) MS, for nullifying the current station location marker of described H (e) NB; According to the new positional information of described H (e) NB, inquire about corresponding station location marker from described CLF, determine the position of described H (e) NB according to the station location marker obtaining, and re-register described new positional information;

Described CLF, for the corresponding relation of stored position information and station location marker, and provides the inquiry service of described corresponding relation.

Described H (e) MS is further used for, and while changing, nullifies the current station location marker of described H (e) NB in the position of knowing described H (e) NB.

Described H (e) NB is further used for, and sends while variation, to the de-registration request of described H (e) MS launch position mark in position;

Accordingly, described H (e) MS is further used for, receiving after described de-registration request, nullify the current station location marker of described H (e) NB, reply and nullify successful message to H (e) NB, and authorize described H (e) NB to allow to carry out re-registering of station location marker.

This system further comprises: network management center;

Described H (e) MS is further used for, and sends the request of inquiry correspondence position mark according to new positional information to described CLF;

Described CLF is further used for, and searches for the database of self, inquires about the station location marker corresponding with described new positional information, if there is corresponding station location marker in described database, the station location marker inquiring is sent to described H (e) MS; If there is not corresponding positional information in described database, described new positional information is sent to described network management center;

Described network management center, for checking whether described new positional information can be used, if unavailable, refuses the service access of described H (e) NB; If available, the station location marker of registration based on described new positional information in the database of described CLF, and will after described new positional information and station location marker binding, send to H (e) MS.

Described network management center is further used for, and in the time of the service access of refusal H (e) NB, returns to reason for rejection to described H (e) NB.

The method and system of a kind of relocking position of home base station provided by the present invention, while changing in the position of H (e) NB, Home eNodeB management system is nullified the current station location marker of H (e) NB; H (e) NB obtains new positional information, and according to new positional information to station location marker corresponding to Home eNodeB management system requested; Home eNodeB management system is according to new positional information, inquire about corresponding station location marker from connecting session location and memory function entity (CLF), determine the position of H (e) NB according to the station location marker obtaining, and re-register new positional information.By the present invention, realize when Home eNodeB is moved the relocking of its position, solve Home eNodeB because moving brought multiple inconvenience and threat in position.

Brief description of the drawings

Fig. 1 is the system configuration schematic diagram of HNB in prior art;

Fig. 2 is the system configuration schematic diagram of HeNB in prior art;

The flow chart that Fig. 3 is a kind of locking position mechanism of providing in 3GPP TR 33.820;

Fig. 4 is the method flow diagram of a kind of H (e) NB of the present invention re-locking positions;

Fig. 5 is the composition structural representation of the system of a kind of H (e) NB of the present invention re-locking positions.

Embodiment

Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.

Relocking its position while being moved for realizing H (e) NB, the method that the invention provides a kind of H (e) NB re-locking positions, its core concept is: Home eNodeB management system H (e) MS nullifies the current station location marker of H (e) NB; H (e) NB obtains new positional information, and asks corresponding station location marker according to new positional information to H (e) MS; H (e) MS is according to new positional information, from connecting session location and memory function entity (CLF, Connectivity Session Location and RepositoryFunction) inquire about corresponding station location marker, determine the position of H (e) NB according to the station location marker obtaining, and re-register new positional information.

It is to be noted, H in the present invention (e) MS can change in the position of knowing H (e) NB, or knowing cannot proper communication etc. in situation with H (e) NB, carries out the operation of nullifying the current station location marker of H (e) NB.In actual applications, H (e) MS knows that the mode that the position of H (e) NB changes has multiple, for example: H (e) MS detects that by the testing mechanism of self position of H (e) NB changes, or when H (e) NB changes in position, initiatively inform that the position of H (e) this H of MS (e) NB changes.The present invention does not know that to H (e) MS the specific implementation that the position of H (e) NB changes limits.

Wherein, a kind of typical H (e) MS knows that the mode that the position of H (e) NB changes is: when H (e) NB changes in position, to the de-registration request of H (e) MS launch position mark; H (e) MS, according to the de-registration request receiving, is known that the position of H (e) NB changes, and is nullified the current station location marker of this H (e) NB.

Based on the core concept of the invention described above, and above-mentioned typical H (e) MS is known the mode that the position of H (e) NB changes, the method of H of the present invention (e) NB re-locking positions, as shown in Figure 4, specifically comprises the following steps:

Step 401, (is for example moved to another position by user from a position) when the position of H (e) NB changes, to the de-registration request of H (e) MS launch position mark.

Step 402, H (e) MS receives after de-registration request, nullifies the current station location marker of this H (e) NB.

Step 403, H (e) MS replys and nullifies successful message to H (e) NB, and authorizes this H (e) NB to allow to carry out re-registering of station location marker.

Step 404, H (e) NB moves to after reposition, by its user or adjacent cell or self obtain its new positional information.

Step 405, H (e) NB sends station location marker request message according to the positional information of its reposition to H (e) MS, and the positional information of carrying H (e) NB reposition in this station location marker request message.

Step 406, H (e) MS sends the request of the station location marker that this reposition of inquiry is corresponding to CLF according to the positional information of this reposition.

Step 407, CLF searches for its database and determines whether to have the station location marker to should reposition, if Search Results, for having, performs step 408; Otherwise, execution step 409.

Step 408, H (e) MS determines the position of H (e) NB according to this station location marker, and H (e) MS can re-register this reposition of H (e) NB, network is permitted the service access of H (e) NB based on this new location information, the relocking successfully of the reposition of H (e) NB.

Step 409, this new positional information is sent to network management center by CLF.

Step 410, network management center is being received after this positional information, checks that whether this positional information can be used, if unavailable, performs step 411; If available, perform step 412.

Step 411, network management center is refused the service access of H (e) NB based on this positional information, and reason for rejection is sent to H (e) NB, the reposition of H (e) NB relock failure.

Step 412, network management center is registered the station location marker based on this positional information in the database of CLF, and by station location marker and positional information binding, binding result is sent to H (e) MS.

Step 413, the station location marker of this positional information that H (e) MS registers in the database of CLF according to network management center is determined the position of H (e) NB, and H (e) MS can register this reposition of this H (e) NB, network is permitted the service access of H (e) NB based on this new location information, the relocking successfully of the reposition of H (e) NB.

For realizing the method for above-mentioned H (e) NB re-locking positions, the present invention also provides a kind of H (e) NB system of re-locking positions, as shown in Figure 5, this system comprises: H (e) NB 10, H (e) MS 20 and CLF 30.

Wherein, H (e) NB 10, when changing in position, obtains new positional information, and asks corresponding station location marker according to new positional information to H (e) MS 20.H (e) MS 20, be used for nullifying the current station location marker of H (e) NB 10, when H (e) MS 20 can change in the position of knowing H (e) NB 10, nullify the current station location marker of H (e) NB 10; According to the new positional information of H (e) NB 10, inquire about corresponding station location marker from CLF 30, determine the position of H (e) NB 10 according to the station location marker obtaining, and re-register new positional information.CLF 30, for the corresponding relation of stored position information and station location marker, and provides the inquiry service of corresponding relation.

Preferably, H (e) NB 10 is further used for, and sends while variation, to the de-registration request of H (e) MS 20 launch position marks in position; H (e) MS 20 is further used for, receiving after de-registration request, nullify the current station location marker of H (e) NB 10, reply and nullify successful message to H (e) NB 10, and authorize H (e) NB 10 to allow to carry out re-registering of station location marker.

Preferably, this system further comprises network management center 40.Accordingly, H (e) MS 20 is further used for, and sends the request of inquiry correspondence position mark according to new positional information to CLF 30.CLF 20 is further used for, and searches for the database of self, inquires about the station location marker corresponding with new positional information, if there is corresponding station location marker in database, the station location marker inquiring is sent to H (e) MS 20; If there is not corresponding positional information in database, new positional information sent to network management center 40.Network management center 40, for checking whether new positional information can be used, if unavailable, refuses the service access of H (e) NB 10; If available, the station location marker of the positional information of registration based on new in the database of CLF 30, and will after new positional information and station location marker binding, send to H (e) MS 20.

Preferably, network management center 40 also for, in the time of the service access of refusal H (e) NB 10, return to reason for rejection to H (e) NB 10.

The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.

Claims (10)

1. a method for relocking position of home base station, is characterized in that, the method comprises:

Home eNodeB management system H (e) MS nullifies the current station location marker of Home eNodeB H (e) NB; Reply and nullify successful message to described H (e) NB, and authorize described H (e) NB to allow to carry out re-registering of station location marker;

Described H (e) NB obtains new positional information, and asks corresponding station location marker according to described new positional information to H (e) MS;

Described H (e) MS is according to described new positional information, inquire about corresponding station location marker from connecting session location and memory function entity CLF, determine the position of described H (e) NB according to the station location marker obtaining, and re-register described new positional information.

2. the method for relocking position of home base station according to claim 1, it is characterized in that, the method further comprises: when described H (e) MS changes in the position of knowing H (e) NB, nullify the current station location marker of described H (e) NB.

3. according to the method for relocking position of home base station described in claim 1 or 2, it is characterized in that, the method further comprises:

When described H (e) NB changes in position, to the de-registration request of H (e) MS launch position mark;

Described H (e) MS receives after de-registration request, nullifies the current station location marker of described H (e) NB.

4. according to the method for relocking position of home base station described in claim 1 or 2, it is characterized in that, described H (e) MS inquires about corresponding station location marker according to new positional information from CLF, is specially:

Described H (e) MS sends the request of inquiry correspondence position mark to described CLF according to new positional information;

The database of described CLF search self, inquires about the station location marker corresponding with described new positional information, if there is corresponding station location marker in described database, the station location marker inquiring is sent to described H (e) MS; If there is not corresponding positional information in described database, described new positional information is sent to network management center;

Described network management center checks whether described new positional information can be used, if unavailable, refuses the service access of described H (e) NB; If available, the station location marker of registration based on described new positional information in the database of described CLF, and will after described new positional information and station location marker binding, send to H (e) MS.

5. the method for relocking position of home base station according to claim 4, it is characterized in that, the method further comprises: described network management center, in the time of the service access of refusal H (e) NB, returns to reason for rejection to described H (e) NB.

6. a system for relocking position of home base station, is characterized in that, this system comprises: H (e) NB, H (e) MS and CLF, wherein,

Described H (e) NB, when changing in position, obtains new positional information, and asks corresponding station location marker according to described new positional information to H (e) MS;

Described H (e) MS, for nullifying the current station location marker of described H (e) NB, replys and nullifies successful message to H (e) NB, and authorize described H (e) NB to allow to carry out re-registering of station location marker; According to the new positional information of described H (e) NB, inquire about corresponding station location marker from described CLF, determine the position of described H (e) NB according to the station location marker obtaining, and re-register described new positional information;

Described CLF, for the corresponding relation of stored position information and station location marker, and provides the inquiry service of described corresponding relation.

7. the system of relocking position of home base station according to claim 6, it is characterized in that, described H (e) MS is further used for, and while changing, nullifies the current station location marker of described H (e) NB in the position of knowing described H (e) NB.

8. according to the system of relocking position of home base station described in claim 6 or 7, it is characterized in that, described H (e) NB is further used for, and sends while variation, to the de-registration request of described H (e) MS launch position mark in position;

Accordingly, described H (e) MS is further used for, receiving after described de-registration request, nullify the current station location marker of described H (e) NB, reply and nullify successful message to H (e) NB, and authorize described H (e) NB to allow to carry out re-registering of station location marker.

9. according to the system of relocking position of home base station described in claim 6 or 7, it is characterized in that, this system further comprises: network management center;

Described H (e) MS is further used for, and sends the request of inquiry correspondence position mark according to new positional information to described CLF;

Described CLF is further used for, and searches for the database of self, inquires about the station location marker corresponding with described new positional information, if there is corresponding station location marker in described database, the station location marker inquiring is sent to described H (e) MS; If there is not corresponding positional information in described database, described new positional information is sent to described network management center;

Described network management center, for checking whether described new positional information can be used, if unavailable, refuses the service access of described H (e) NB; If available, the station location marker of registration based on described new positional information in the database of described CLF, and will after described new positional information and station location marker binding, send to H (e) MS.

10. the system of relocking position of home base station according to claim 9, is characterized in that, described network management center is further used for, and in the time of the service access of refusal H (e) NB, returns to reason for rejection to described H (e) NB.