WO2011035521A1

WO2011035521A1 - Method for sharing of femto access point and femto access point system

Info

Publication number: WO2011035521A1
Application number: PCT/CN2009/075988
Authority: WO
Inventors: 游世林; 刘霖; 蔡继燕
Original assignee: 中兴通讯股份有限公司
Priority date: 2009-09-27
Filing date: 2009-12-24
Publication date: 2011-03-31
Also published as: CN102036415A; CN102036415B

Abstract

A method for sharing of Femto Access Point (Femto AP) and Femto AP system are disclosed. The method includes the following steps: in initialization process, the Femto AP selects Femto GateWays (Femto GWs), which respectively connect with Core Networks (CNs) which the Femto AP has right to access, as serving Femto GWs. The Femto AP registers in these Femto GWs. After receiving Non-Access Stratum (NAS) message sent by a User Equipment (UE), according to the network access identification of the UE, the Femto AP selects the serving Femto GW which connects with CN corresponding to the identification as the target serving Femto GW, registers user information into the target serving Femto GW, and forwards the NAS message to the target serving Femto GW. After receiving the NAS message, the target serving Femto GW forwards the NAS message to the connected CN. Intercommunication starts between the CN and UE, and thus the access process of the UE is completed.

Description

Method for sharing home base station access point and home base station access point system

The present invention relates to a method for sharing a home base station and a home base station system.

Background technique

The home base station is a small, low-power base station deployed in indoor places such as homes and offices. Its main role is to provide users with higher service rates and lower the cost of using high-speed services, while making up for distributed cellular wireless. Insufficient coverage of communication systems. The advantages of the home base station are convenience, low output power, plug and play, and the like.

The home base station system can be applied to almost all mobile communication networks, such as the Code Division Multiple Access (CDMA) series in the 3rd Generation Partnership Project 2 (3GPP2). Standard CDMA1X and CDMA2000 networks, and 2G ( ^2nd Generation, second generation) such as Global System for Mobile Communications (GSM) in the 3rd Generation Partnership Project (3GPP) ) network, wideband CDMA systems (wideband Code Division Multiple Access, referred to as WCDMA) systems, 3G (3 ^M Generation, third generation) network, as well as almost all future network operators will choose preclude the use of all-Internet protocol (Internet protocol, The LTE (Long Term Evolution) mobile communication network, which is referred to as IP, has almost the same modulation technology as LTE! Worldwide Interoperability for Microwave Access (WiMAX) mobile communication network .

FIG. 1 is a schematic structural diagram of an existing home base station system.

As shown in Figure 1, a user equipment (UE) can access a core network (Core Network, CN for short) through a macro cell network, perform corresponding voice services, or access the Internet. ) Perform data services.

However, in order to solve the coverage of the home indoor network, the UE can also access the IP backhaul network through the home base station access point (Femto AP), and access the home of the service place through the IP backhaul network. The base station gateway (Femto GW) then accesses the core network of the service area, and then accesses the Internet through the core network.

A security gateway (SeGW) of the service area may be set between the Femto GW of the Femto AP and the Femto GW (referred to as the service Femto GW), and the Femto AP passes the security gateway of the service area (referred to as the service SeGW or the service security gateway). Establish an IP security tunnel with the service Femto GW.

The Femto authentication system (AAA) of the monthly service is connected to the service security gateway to assist the Femto AP to establish an IP security tunnel with the service security gateway.

The Femto Management Server (FMS) is connected to the Femto AP through the service security gateway to configure the parameters of the Femto AP to ensure the normal operation of the Femto AP. The Femto AP and the home base station management server (referred to as service FMS) in the service area use the home network protocol TR069 protocol of the broadband forum to configure parameters.

Femto AP can also directly access the Internet. According to different gateway types, Femto GW can access three core networks: Circuit Switched (CS) network, IP Multimedia Subsystem (IP Multimedia Core Network Subsystem). , referred to as IMS) Network and Packet Switched (PS) networks.

Since the Wimax and LTE networks are all IP networks, the access to the core network through the WiMAX and LTE network of the home base station is accessed through the IP network, so the Femto GW may not be needed in actual deployment.

The above is mainly introduced to the service network element in Figure 1. The service network element is the network element that ultimately provides services for user equipment. Before the initialization is completed, the Femto AP stores the relevant parameters of the initial network element, for example, the initial security gateway (referred to as the initial SeGW or the initial security gateway), and the initial Femto authentication system (referred to as the initial Femto AAA). And the initial parameters of the home base station management server (abbreviated as the initial FMS), where the initial network element is used to discover the service network element during the initialization process (refer to FIG. 2 for a specific process). The ground is the same as the initial one. 2 is a flowchart of a method for initializing a Femto AP in the prior art, in which a Femto AP obtains information about a home base station gateway (referred to as a service Femto GW) at a service place, and completes parameter configuration. As shown in Figure 2, the process includes the following steps:

201. The Femto AP establishes an IP security tunnel with the initial SeGW.

When the Femto AP establishes an IP security tunnel with the initial SeGW, an initial Femto AAA pair is required.

The Femto AP is certified. For the specific process, refer to the related documents.

202. The Femto AP sends a TR069 information request message to the initial FMS through the established IP security tunnel, where the message carries the identifier, location information, and initialization identifier of the Femto AP.

203. The initial FMS authenticates the access authority of the Femto AP, and after the authentication succeeds, returns a TR069 information request response message to the Femto AP.

204. The initial FMS sends a TR069 setting parameter request message to the Femto AP, where the message carries a service FMS list (for example, a list of IP addresses of the serving FMS); the message may also carry a service SeGW list (for example, a list of IP addresses of the serving SeGW) ), used to establish a new IP security tunnel between the Femto AP and the serving FMS; in addition, the message may also carry a list of services Femto GW (for example, a list of IP addresses serving the Femto GW);

205. The Femto AP confirms the information sent by the initial FMS, and after selecting the service FMS, the service SeGW, and the service Femto GW according to the information, sends a TR069 setting parameter response message to the initial FMS.

206. If the serving SeGW is different from the initial SeGW, release an IP security tunnel between the Femto AP and the initial SeGW.

If the service SeGW is the initial SeGW, there is no need to re-establish the IP security tunnel between the Femto AP and the SeGW. Of course, there is no need to release the IP security tunnel between the Femto AP and the initial SeGW.

207. If the serving SeGW is different from the initial SeGW, the Femto AP establishes an IP security tunnel with the serving SeGW.

Femto AAA is required to authenticate the Femto AP when establishing an IP security tunnel with the service SeGW. For details, refer to related documents.

208. The Femto AP sends the TR069 information to the serving FMS through the established IP security tunnel. The message carries the parameters of the Femto AP, the alarm identifier, the location information, and the initialization identifier.

209. The FMS authenticates the access rights of the Femto AP, and after the authentication succeeds, returns a TR069 information request response message to the Femto AP.

The service FMS sends a TR069 setting parameter request message to the Femto AP, where the message carries: a service SeGW list related to the service Femto GW, a configuration parameter of the Femto AP, and an authentication parameter;

In addition, if the service Femto GW list is not carried in the TR069 setting parameter request message of step 204, the TR069 setting parameter request message in this step also needs to carry the service Femto GW list.

211. The Femto AP confirms the information sent by the FMS, and after selecting the service SeGW and the service Femto GW according to the information, sends a TR069 setting parameter response message to the service FMS.

212. If the service SeGW selected in step 211 is different from the service SeGW selected in step 205, the Femto AP releases the IP security tunnel established in step 207.

FIG. 3 is a flowchart of a method for registering a Femto AP in the prior art, which specifically includes the following steps:

301. The Femto AP obtains configuration parameters and service Femto GW information from the FMS by using the process shown in FIG. 2;

302, the Femto AP establishes an IP security tunnel with the service SeGW;

If the service SeGW selected in step 211 is the same as the service SeGW selected in step 205 in the initialization process shown in FIG. 2, since the IP security tunnel between the Femto AP and the serving SeGW has been established in step 207, There is no need to perform this step.

303. The Femto AP establishes a reliability transmission session port with the service Femto GW.

The Femto AP sends a registration request message to the serving Femto GW through the foregoing session port, where the message includes: a location information of the Femto AP, a Femto AP identifier, and a Femto AP execution parameter.

The location information of the Femto AP may be one or more of the following information:

> Macro coverage information detected by the Femto AP (eg, cellular information); Geographic location information of Femto AP (for example, global positioning information);

Internet connection information of the Femto AP (for example, the IP address of the Femto AP).

The above Femto AP logo is a globally uniform and permanent logo.

The Femto AP execution parameter may be cell information selected by the Femto AP or the like.

305a. After receiving the registration request message sent by the Femto AP, the Femto GW performs access control on the Femto AP according to the information carried in the message. For example, determining whether to allow the Femto AP to operate at the location according to the location information in the registration request message. Registration); If the result of the access control is that the Femto GW agrees to register the Femto AP, the registration success response message is returned to the Femto AP;

305b, if the Femto GW rejects the registration request of the Femto AP (for example, because the current network is congested, the Femto AP is in the blacklist, the Femto AP initiates the registration at an unauthorized location, etc.), the Femto GW returns to the Femto AP. Register the failure message and carry the reason for the failure in the message.

4 is a flowchart of a method for a UE to register with a legal core network through a legal Femto AP (that is, a method for a UE to access a core network), which specifically includes the following steps:

401. The UE establishes a radio resource connection with the Femto AP as a bearer of the signaling message or the service data.

402. The UE triggers a registration process by sending an initial non-access stratum message (referred to as a non-access stratum message) to the Femto AP. The non-access stratum message may be an attach message, a location update message, a service request message, or the like.

403. After receiving the non-access stratum message sent by the UE, the Femto AP finds that there is no corresponding user's context identification information (ie, the user is not registered yet), and therefore sends a registration request message to the service Femto GW, so as to register the user information to the service Femto. GW;

The registration request message includes: a registration type, an identifier of the UE (for example, an International Mobile Subscriber Identity (IMSI) of the UE), and a Femto AP identifier.

404. The serving Femto GW performs a capability check on the user accessing the Femto AP. If the user is allowed to use the resources provided by the Femto AP, the registration is accepted, the user context is established, and the user is carried in the registration response message replied to the Femto AP. Context identification information;

405. The Femto AP forwards the non-access stratum message to the serving Femto GW. 406. The serving Femto GW does not perform any processing on the non-access stratum message forwarded by the Femto AP, and directly transmits the message to the serving core network.

407. The serving core network performs security authentication on the user according to the received non-access stratum message;

408. If the security authentication is passed, the core network side performs corresponding operations on the non-access stratum message sent by the user, and returns a non-access stratum response message to the UE, and brings the information on the core network side to the UE. The foregoing response message is in the UE. Transparent transmission with the CN, the Femto AP and the service Femto GW do not process the message.

The above describes the existing home base station system and the Femto AP initialization, Femto AP registration, and UE registration process based on the system.

The existing home base station has a defect that a home base station can only access one core network, which means that a user of a home base station can usually only be a user of a carrier network, and for users of other carrier networks, A roaming agreement with the carrier is required to access.

However, there is generally no roaming agreement between the two operators under the same coverage, which will cause inconvenience to the owner of the home base station. For example: There are three mobile operators in China, and all three operators have their own IP backhaul networks, and will evolve to LTE networks in the future, if all three operators deploy home base station systems; for a home base station owner The user who uses the home base station to access the mobile operator network includes the family and friends of the home base station owner, and may also include temporary visitors, who are likely to belong to different operators from the home base station owner, and therefore cannot pass the The home base station accesses the mobile operator network. In addition, for enterprise-level home base station users, in order to enable users of different operators to access, enterprises need to purchase multiple home base stations of different operators, which will result in waste of resources and space.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a home base station sharing method and a home base station system that can provide access services for users of different operators.

In order to solve the above problem, the present invention provides a method for sharing a home base station, the method comprising: during an initialization process, a home base station access point is connected to each core network to which the home base station access point has access rights The home base station gateway is selected to serve the home base station gateway; The home base station access point is registered in each service home base station gateway, and after receiving the non-access stratum message sent by the user equipment, selects the service family connected to the core network corresponding to the identifier according to the network access identifier of the user equipment. The base station gateway serves as a target serving home base station gateway, registers user information to the target serving home base station gateway, and forwards the non-access stratum message to the target serving home base station gateway;

After receiving the non-access stratum message, the target serving home base station gateway forwards the non-access stratum message to the core network connected thereto; the core network interacts with the user equipment to complete the access of the user equipment. process.

In addition, the home base station access point selects the serving home base station gateway in the following manner: in the initializing process, the home base station access point includes the shared information in the TR069 information request message and sends the information to the FMS; a network access identifier of a core network that has access to the home base station access point;

After receiving the TR069 information request message, the FMS selects a home base station gateway connected to each core network to which the home base station access point has access, according to the shared information, and includes a list of selected home base station gateways. Sending to the home base station access point in the TR069 setting parameter request message;

After receiving the TR069 setting parameter request message, the home base station access point selects, from the list included in the message, each home base station gateway that is connected to each core network that the home base station access point has access to, respectively. The serving home base station gateway.

In addition, the home base station access point selects the serving home base station gateway in the following manner: the home base station access point separately sends a TR069 information request message to each FMS corresponding to each core network to which the authorized base station accesses;

After receiving the TR069 information request message, each FMS separately includes a list of the home base station gateways connected to each core network in a TR069 setting parameter request message and sends the list to the home base station access point;

After receiving the TR069 setting parameter request message sent by each FMS, the home base station access point selects one home base station gateway as the serving home base station gateway from the list of each home base station gateway. In addition, the FMS includes an initial FMS and a service FMS;

The method further includes: the initial FMS receiving the TR069 information request message, selecting, according to the sharing information included in the message, an FMS corresponding to each core network that the home base station access point has access to, and The selected FMS list is sent to the home base station access point in the TR069 setting parameter request message;

After receiving the TR069 Setting Parameter Request message sent by the initial FMS, the home base station access point also selects an FMS from the list of selected FMSs included in the message as the serving FMS.

In addition, the home base station access point is registered in each serving home base station gateway by the following steps: The home base station access point sends a registration request message to each serving home base station gateway, and according to the type of the registration response message returned by each serving home base station gateway Generating access capability information of the home base station access point; the access capability information includes a network access identifier of a core network to which the serving home base station gateway that returns the registration success response message is connected.

In addition, before the step of registering user information to the target serving home base station gateway, the method further includes:

The home base station access point performs access control on the user equipment according to the access capability information to determine whether the user equipment is allowed to access.

The present invention also provides a home base station system, the system comprising: a home base station access point, a home base occupied gateway, and a core network;

The home base station access point is configured to select, at the initialization process, each home base station gateway that is respectively connected to each core network to which the home base station access point has access, as the serving home base station gateway;

The home base station access point is further configured to be registered in each serving home base station gateway, and after receiving the non-access stratum message sent by the user equipment, select and identify the identifier according to the network access identifier of the user equipment. The serving home base station gateway connected to the corresponding core network serves as a target serving home base station gateway, registers user information to the target serving home base station gateway, and forwards the non-access stratum message to the target serving home base station gateway;

The home base station gateway is configured to be selected as a target service family by the home base station access point After receiving the non-access stratum message, the base station gateway forwards the non-access stratum message to the core network connected thereto;

The core network is configured to interact with the user equipment after receiving the non-access stratum message to complete the access process of the user equipment.

In addition, the system further includes an FMS;

The home base station access point is configured to select the serving home base station gateway in the following manner:

In the initialization process, the home base station access point includes the shared information in the TR069 information request message and sends the information to the FMS; the shared information includes the core network that the home base station access point has access to. Network access identifier;

After receiving the TR069 information request message, the FMS selects a home base station gateway connected to each core network to which the home base station access point has access, according to the shared information, and selects a selected home base station gateway. The list is included in the TR069 setting parameter request message and sent to the home base station access point;

After receiving the TR069 setting parameter request message, the home base station access point selects, from the list included in the message, each of the home base stations respectively connected to each core network to which the home base station access point has access rights. The gateway acts as the serving home base station gateway.

In addition, the system further includes an FMS corresponding to each core network;

The home base station access point is further configured to select the serving home base station gateway in the following manner:

The home base station access point separately sends a TR069 information request message to each FMS corresponding to each core network to which the user has access rights;

After receiving the TR069 information request message, each FMS separately includes a list of each home base station gateway connected to each core network in a TR069 setting parameter request message, and sends the list to the home base station access point;

The initial FMS is configured to: after receiving the TR069 information request message, select an FMS corresponding to each core network that the home base station access point has access to according to the sharing information in the message, and select the FMS a list of the FMS is sent to the home base station access point in the TR069 setting parameter request message;

The home base station access point is further configured to, after receiving the TR069 setting parameter request message sent by the initial FMS, select an FMS from the list of the selected FMSs included in the message as the serving FMS.

In summary, the present invention selects the Femto GW that is connected to each core network by the Femto AP as the serving Femto GW, and the Femto AP forwards the message sent by the user equipment to the corresponding service Femto GW, and then forwards the message to the corresponding core network. It realizes the function of users of different carrier networks accessing the corresponding core network through a Femto AP, which is convenient for users and reduces the cost of ownership of Femto AP owners.

BRIEF abstract

1 is a schematic structural diagram of an existing home base station system;

2 is a flow chart of a method for initializing a Femto AP in the prior art;

3 is a flow chart of a registration method of a Femto AP in the prior art;

4 is a flowchart of a method for a UE to register to a legal core network through a legal Femto AP in the prior art;

FIG. 5 is a schematic structural diagram of a home base station system according to an embodiment of the present invention; FIG.

6 is a flow chart of a first method for initializing a Femto AP in the system shown in FIG. 5. FIG. 7 is a flow chart of a second method for initializing a Femto AP in the system shown in FIG. 5. FIG. A flowchart of a registration method of a Femto AP in the system shown in FIG. 5;

9 is a flow chart of a method for a UE to register with a legitimate core network through a legal Femto AP in the system shown in FIG. 5. Preferred embodiment of the invention

The core idea of the present invention is: in the initialization process, the home base station access point selects each home base station gateway connected to each core network that the home base station access point has access to as a serving home base station gateway; and receives After the non-access stratum message sent by the user equipment, the target service home base station gateway connected to the core network corresponding to the identifier is selected according to the network access identifier of the user equipment (for example, the mobile network access identifier), and the non-access stratum is The message is forwarded to the target service home base station gateway; the target service home base station gateway forwards the non-access stratum message to the core network connected thereto.

The invention will now be described in detail in conjunction with the drawings and embodiments.

FIG. 5 is a schematic structural diagram of a home base station system according to an embodiment of the present invention; as shown in FIG. 5, the system includes: a Femto AP, a service SeGW, a service Femto AAA, a service FMS, a service CN1, and a service CN2, and a service Femto connected to the service CN1. GW1, a service Femto GW2 connected to the service CN2, and user terminals of different operators (for example, the user terminal UE1 serving CN1 and the user terminal UE2 serving CN2); further, when the service place is different from the initial place, the system further Contains initial SeGW, initial Femto AAA and initial FMS.

The main difference between the functions implemented by the home base station system shown in FIG. 5 and the existing home base station system is that the user terminals of different carrier networks can access the corresponding Femto GW through the Femto AP, and then access the Corresponding service core network.

To implement the above functions, the owner of the Femto AP can apply for access rights to multiple operators as needed, and save the shared information locally; the shared information is the mobile network access identifier of the core network to which the Femto AP has access. And access rights information, as well as the address of the initial FMS. During the initialization process of the Femto AP, the Femto AP uses the Femto GWs respectively connected to the core networks to which the privileged access is located as the serving Femto GW according to the shared information, and sends the non-access stratum messages sent by the UE during the registration process of the UE. Send to the corresponding service Femto GW.

The service Femto GW in Fig. 5 is basically the same as the service Femto GW in the prior art. The FMS (including the initial FMS and the service FMS) in FIG. 5 may be shared or separated, that is, the FMS (including the initial FMS and the service FMS) may be shared by multiple core networks, or may be corresponding to each core network. FMS.

According to different settings (shared or separated) of FMS (including initial FMS and service FMS), The Femto AP can select the Femto GW service connected to each core network in different ways, and obtain configuration parameters from the service FMS, which will be described in detail below.

The functions of the initial SeGW, the service SeGW, the initial Femto AAA, and the service Femto AAA in FIG. 5 are the same as those of the corresponding network elements in the prior art, and are not described here.

The method for implementing the home base station sharing based on the system shown in FIG. 5 is described in detail below, and specifically includes: an initialization method of the Femto AP, a registration method of the Femto AP, and a registration method of the UE.

6 is a flow chart of a first method for initializing a Femto AP in the system shown in FIG. 5, where the service FMS is shared by multiple operators (ie, multiple service CNs share one service FMS); , the method includes the following steps:

601. After the Femto AP is powered on, establish an IP security tunnel with the initial SeGW.

When the Femto AP establishes an IP security tunnel with the initial SeGW, the Femto AP needs to be authenticated by the initial Femto AAA. For details, refer to related documents.

602. The Femto AP sends a TR069 information request message to the initial FMS by using the established IP security tunnel, where the message carries the identifier, location information, initialization identifier, and sharing information of the Femto AP. The shared information is purchased by the owner of the Femto AP to the operator. The access authority information, such as the authentication card information; the shared information also includes the mobile network access identifier of the core network that the Femto AP can access.

603. The initial FMS authenticates the access authority of the Femto AP, and after the authentication succeeds, returns a TR069 information request response message to the Femto AP.

604. The initial FMS selects a corresponding service FMS, a service SeGW, and a service Femto GW corresponding to each service core network according to the shared information of the Femto AP and the actual network deployment situation;

605. The initial FMS sends a TR069 setting parameter request message to the Femto AP, where the message carries a service FMS list (for example, a list of IP addresses of the serving FMS); the message may also carry a service SeGW list (for example, a list of IP addresses of the serving SeGW) ), for establishing a new IP security tunnel between the Femto AP and the serving FMS; in addition, the message may also carry a list of service Femto GWs corresponding to each service core network (for example, a list of IP addresses of the service Femto GW);

606. The Femto AP confirms the information sent by the initial FMS, and selects the service FMS, the service SeGW, and the service corresponding to each service core network according to the information Femto GW (in this embodiment, the service) After the service Femto GW1 corresponding to the CN1 and the service Femto GW2 corresponding to the service CN2, the TR069 setting parameter response message is sent back to the initial FMS;

607. If the serving SeGW is different from the initial SeGW, release an IP security tunnel between the Femto AP and the initial SeGW.

608. If the serving SeGW is different from the initial SeGW, the Femto AP establishes an IP security tunnel with the serving SeGW.

609. The Femto AP sends a TR069 information request message to the serving FMS through the established IP security tunnel, where the message carries the Femto AP identifier, the alarm identifier, the location information, the initialization identifier, and the Femto AP sharing information.

610. The FMS authenticates the access rights of the Femto AP, and after the authentication succeeds, returns a TR069 information request response message to the Femto AP.

611, service FMS selects the corresponding service according to the shared information of Femto AP Femto GW and

Configuration parameters of the Femto AP;

612. The service FMS sends a TR069 setting parameter request message to the Femto AP, where the message carries: a service SeGW list related to the service Femto GW, a configuration parameter of the Femto AP, and an authentication parameter;

In addition, if the TR069 setting parameter request message of step 605 does not carry the service Femto

For the GW list, the TR069 setting parameter request message in this step also needs to carry the service Femto GW list.

613. The Femto AP confirms the information sent by the FMS, and selects the service SeGW and the service Femto GW corresponding to each service core network according to the information. (In this embodiment, the service Femto GW1 corresponding to the service CN1 and the service Femto GW2 corresponding to the service CN2. Afterwards, the TR069 setting parameter response message is sent back to the service FMS;

614. If the serving SeGW selected in step 613 is different from the serving SeGW selected in step 606, the Femto AP releases the IP security tunnel established in step 608. It should be noted that if the initial FMS and the service FMS are the same, steps 601 to 607 may be omitted.

7 is a flow chart of a second method for initializing a Femto AP in the system shown in FIG. 5, in which each operator has its own service FMS (ie, each service CN corresponds to a service FMS); The method includes the following steps:

701. After the Femto AP is powered on, establish an IP security tunnel with the initial SeGW.

It should be noted that if the initial FMS1 is different from the initial SeGW corresponding to the initial FMS2, two IP security tunnels need to be established in this step.

702. The Femto AP obtains the corresponding service FMS list, the service SeGW list, and the service Femto GW list from the initial FMS1 through the established IP security tunnel, and the specific process is the same as steps 202-205;

703. The Femto AP obtains the corresponding service FMS list, the service SeGW list, and the service Femto GW list from the initial FMS2 through the established IP security tunnel, and the specific process is the same as steps 202-205;

In this embodiment, the shared information of the Femto AP further includes address information or identification information of different service core networks (the real and initial FMS2).

704. The Femto AP selects the service FMS1 from the service FMS list returned by the initial FMS1, selects the service Femto GW1 from the service Femto GW list returned by the initial FMS1, and selects the service FMS2 from the service FMS list returned from the initial FMS2, and returns from the initial FMS2. The service Femto GW2 selects the service Femto GW2; in addition, the Femto AP can also select the corresponding service SeGW;

705. If the serving SeGW is different from the initial SeGW, release an IP security tunnel between the Femto AP and the initial SeGW.

706. If the serving SeGW is different from the initial SeGW, the Femto AP establishes and services the SeGW. IP security tunnel between the two; in this step, two IP security tunnels need to be established separately.

707. The Femto AP obtains the configuration parameters of the Femto AP from the service FMS1 through the established IP security tunnel and uses the shared information. 1. The service SeGW list and the optional service Femto GW list. The specific process is the same as steps 609-613;

708. The Femto AP obtains the configuration parameters of the Femto AP from the service FMS2 through the established IP security tunnel, and uses the shared information. 2. The service SeGW list and the optional service Femto GW list. The specific process is the same as steps 609-613;

709. The Femto AP generates a final Femto AP configuration parameter according to the configuration parameter 1 obtained from the service FMS1 and the configuration parameter 2 obtained from the service FMS2; the specific generation method is the same as step 709;

In addition, if the Femto AP obtains the service Femto GW list from the service FMS1 and the service FMS2, the Femto AP also needs to separately select the service Femto GW1 and the service Femto GW2, and select the corresponding service SeGW from the service SeGW list.

710. If the service SeGW selected in step 709 is inconsistent with the service SeGW selected in step 704, the Femto AP releases the IP security tunnel established in step 706.

It should be noted that if the initial FMS1 and the initial FMS2 are the same as the service FMS1 and the service FMS2, respectively, steps 701 to 705 may be omitted.

FIG. 8 is a flowchart of a method for registering a Femto AP in the system shown in FIG. 5. As shown in FIG. 8, the method includes the following steps:

801. The Femto AP obtains the configuration parameters, the service SeGW, and the information of the Femto GW from the FMS by using the method shown in FIG. 6 or FIG. 7;

802, the Femto AP establishes an IP security tunnel with the service SeGW;

If the Femto AP has established an IP security tunnel with the serving SeGW in the process shown in Figure 6 or Figure 7, this step can be omitted.

803. The Femto AP establishes a reliability transmission session port with the service Femto GW1. 804, the Femto AP establishes a reliability transmission session port with the service Femto GW2;

805. The Femto AP sends a registration request message to the serving Femto GW1 through the reliability transmission session port, where the message includes: Femto AP location information, Femto AP identity, and Femto AP execution parameters.

806. The Femto AP sends a registration request message to the serving Femto GW2 through the reliability transmission session port, where the message includes: Femto AP location information, Femto AP identity, and Femto AP execution parameters.

807a, the service Femto GW1 performs access control on the Femto AP according to the information carried in the registration request message (for example, determining whether to allow the Femto AP to operate/register at the location according to the Femto AP location information in the registration request message); The result is that the service Femto GW1 agrees to the Femto AP registration, and returns a registration success response message to the Femto AP;

807b, if the service Femto GW1 rejects the registration request of the Femto AP (for example, because the current network is congested, the Femto AP is in the blacklist, the Femto AP initiates the registration at an unauthorized location, etc., the registration request is rejected), Yueliang Femto GW1 The registration failure response message is returned to the Femto AP, and the reason for the failure is carried in the message, and the process ends.

808a, the service Femto GW2 performs access control on the Femto AP according to the information carried in the registration request message (for example, determining whether to allow the Femto AP to operate/register at the location according to the Femto AP location information in the registration request message); The result is that the service Femto GW2 agrees to register the Femto AP, and returns a registration success response message to the Femto AP;

808b, if the service Femto GW2 rejects the registration request of the Femto AP (for example, because the current network is congested, the Femto AP is in the blacklist, the Femto AP initiates the registration at an unauthorized location, etc., the registration request is rejected), Yueliang Femto GW2 The registration failure response message is returned to the Femto AP, and the reason for the failure is carried in the message, and the process ends.

809. The Femto AP generates and stores the access capability information of the Femto AP according to the registration response result of steps 807 and 808. For example, if the service Femto GW1 returns a registration success response, and the service Femto GW2 returns a registration failure response, the Femto The access capability information generated by the AP includes only the mobile network access identifier of the service CN1 corresponding to the service Femto GW1.

Figure 9 is a diagram showing the UE registering to a legitimate core through a legal Femto AP in the system shown in Figure 5. The method of the network (that is, the method for the UE to access the core network) is a flowchart; as shown in FIG. 9, the method includes the following steps:

901. The UE establishes a radio resource connection with the Femto AP as a bearer of the signaling message or the service data.

902. The UE triggers a registration process by sending an initial non-access stratum message to the Femto AP. The initial non-access stratum message may be an attach message, a location update message, a service request message, or the like.

903. If the user identifier carried in the non-access stratum message is the temporary identifier of the user, and the signaling message used to establish the radio resource connection in step 901 does not carry the mobile network access identifier of the user, the Femto AP and the user terminal. Interacting to obtain the user's international mobile subscriber identity code;

904. The Femto AP estimates the mobile network access identifier of the user according to the user's international mobile subscriber identity, or directly extracts the mobile network access identifier carried in the signaling message used to establish the radio resource connection, and according to the mobile network. The access identifier determines a corresponding service Femto GW (which may be referred to as a target service Femto GW, in this embodiment, a service Femto GW1);

905. The Femto AP performs access control according to the mobile network access identifier of the user and the access capability information of the user, to determine whether the user is allowed to access.

906. If the Femto AP allows the user to access but does not have the context identification information of the user locally (that is, the corresponding user has not registered yet), the Femto GW sends a registration request message to the service Femto GW1 to register the user information in the service Femto GW1. ;

The foregoing registration request message includes: a registration type, a user identifier (for example, an International Mobile Subscriber Identity (IMSI) of the UE), a Femto AP identifier, and the like. In addition, the message may further include a mobile network access identifier of the UE.

907. The service Femto GW1 performs a capability check on the user accessing the Femto AP. If the user is allowed to use the resources provided by the Femto AP, the user accepts the registration, establishes the user context, and carries the user in the registration success response message replied to the Femto AP. Context identification information;

908. The Femto AP forwards the non-access stratum message to the serving Femto GW1.

909, the service Femto GW1 forwards the non-access stratum message to the corresponding service core network (service CN1);

910. The serving core network performs security authentication on the user according to the received non-access stratum message. 911. If the security authentication is passed, the core network side performs corresponding operations on the non-access stratum message sent by the user, and returns a non-access stratum response message to the UE, and brings the information of the core network side to the UE; the foregoing response message is in the UE. Transparent transmission between the core network and the Femto AP and the service Femto GW1 does not process the message.

Industrial applicability

Compared with the prior art, the present invention realizes the function of users of different carrier networks accessing the corresponding core network through a Femto AP, which is convenient for users and reduces the cost of ownership of the Femto AP owner.

Claims

Claim

A method for sharing a home base station, comprising:

During the initialization process, the home base station access point selects each home base station gateway that is connected to each core network to which the home base station access point has access, as the serving home base station gateway;

The home base station access point is registered in the service home base station gateway, and after receiving the non-access stratum message sent by the user equipment, the network access identifier corresponding to the identifier is selected according to the network access identifier of the user equipment. Serving the home base station gateway as the target serving home base station gateway, registering the user information to the target serving home base station gateway, and forwarding the non-access stratum message to the target serving home base station gateway;

After receiving the non-access stratum message, the target serving home base station gateway forwards the non-access stratum message to the core network connected thereto, and the core network interacts with the user equipment to complete the user equipment. Access process.

2. The method of claim 1 wherein

The step of selecting, by the home base station access point, the home base station gateways respectively connected to the core networks respectively accessed by the home base station access point to serve the home base station gateway includes:

In the initialization process, the home base station access point includes the shared information in the TR069 information request message and sends the information to the home base station management server FMS, where the shared information includes the core network that the home base station access point has access to. Network access identifier;

After receiving the TR069 information request message, the FMS selects, according to the shared information, a home base station gateway that is respectively connected to each core network that the home base station access point has access to, and selects the selected home base station. a list of gateways is sent to the home base station access point in a TR069 setup parameter request message;

After receiving the TR069 setting parameter request message, the home base station access point selects, from the list included in the TR069 setting parameter request message, each core network that has access to the home base station access point. The connected home base station gateways serve as the serving home base station gateway.

3. The method of claim 1, wherein

The step of selecting, by the home base station access point, the home base station gateways respectively connected to the core networks to which the home base station access point has access to each other to serve the home base station gateway includes: The home base station access point separately sends a TR069 information request message to each FMS corresponding to each core network to which the user has access rights;

After receiving the TR069 information request message, each FMS separately includes a list of each home base station gateway connected to each core network in a TR069 setting parameter request message and sends the list to the home base station access point;

After receiving the TR069 setting parameter request message sent by each FMS, the home base station access point selects one home base station gateway as the serving home base station gateway from the list of the home base station gateways.

4. The method of claim 2, wherein

The FMS includes an initial FMS and a service FMS; the method further includes:

The initial FMS receives the TR069 information request message sent by the home base station access point, and selects the FMS corresponding to each core network that the home base station access point has access to according to the sharing information in the TR069 information request message. And sending a list of the selected FMSs to the home base station access point in the TR069 setting parameter request message;

After receiving the TR069 setting parameter request message sent by the initial FMS, the home base station access point further selects an FMS as the service FMS from the list of the selected FMSs included in the TR069 setting parameter request message.

5. The method of claim 1, wherein

The step of registering the home base station access point in the service home base station gateways includes: the home base station access point sending a registration request message to each serving home base station gateway, and generating according to the type of the registration response message returned by each serving home base station gateway The access capability information of the home base station access point, where the access capability information includes a network access identifier of a core network connected to the serving home base station gateway that returns a registration success response message.

6. The method of claim 5, wherein

Before the step of registering the user information to the target serving home base station gateway, the method further includes:

7. A home base station system, comprising: a home base station access point, a home base station gateway, and a core network, where

The home base station access point is further configured to be registered in each serving home base station gateway, and after receiving the non-access stratum message sent by the user equipment, select, according to the network access identifier of the user equipment, the identifier corresponding to the identifier Serving the home base station gateway connected to the core network as the target serving home base station gateway, registering the user information to the target serving home base station gateway, and forwarding the non-access stratum message to the target serving home base station gateway;

The home base station gateway is configured to: after being selected by the home base station access point to be the target serving home base station gateway, and after receiving the non-access stratum message, forwarding the non-access stratum message to the core network connected thereto;

8. The system of claim 7 further comprising an FMS;

The home base station access point is configured to select, as a serving home base station gateway, each home base station gateway that is respectively connected to each core network that the user base station access point has access to, in the following manner: The home base station access point includes the shared information in the TR069 information request message and sent to the FMS, where the shared information includes a network access identifier of the core network that the home base station access point has access to;

9. The system of claim 7, further comprising an FMS corresponding to each core network; the home base station access point is further configured to have access to the home base station access point in the following manner Each of the home base station gateways connected to each of the core networks is selected as a serving home base station gateway: the home base station access point separately sends a TR069 information request message to each FMS corresponding to each core network to which the authorized core network accesses;

After receiving the TR069 setting parameter request message sent by each FMS, the home base station access point selects one home base station gateway as the serving home base station gateway from the list of each home base station gateway.

10. The system of claim 8 wherein

The FMS includes an initial FMS and a service FMS;

The initial FMS is configured to: after receiving the TR069 information request message, select an FMS corresponding to each core network that the home base station access point has access to according to the sharing information included in the TR069 information request message, and And the list of the selected FMS is included in the TR069 setting parameter request message and sent to the home base station access point;