WO2010069240A1

WO2010069240A1 - Method and system for mobile terminals accessing open home node b

Info

Publication number: WO2010069240A1
Application number: PCT/CN2009/075575
Authority: WO
Inventors: 丁添添
Original assignee: 中兴通讯股份有限公司
Priority date: 2008-12-19
Filing date: 2009-12-14
Publication date: 2010-06-24
Also published as: CN101754297B; CN101754297A

Abstract

A method for mobile terminals accessing an open home Node B is disclosed in the present invention, which is presented to resolve the problem that no mobile terminal can access an open home Node B at the present time. The method includes that: a mobile terminal searches a cell and synchronizes with a carrier wave of a base station, after receiving broadcasting information of the base station, parses it and determines the base station to be a home Node B, then sends an access request to the home Node B; the home Node B determines the status of the subscriber list of its own closed subscriber group, when it is not available status, determines that the current status is the open mode, and provides the network access service for the mobile terminal directly. At the same time, a system for realizing the above method is disclosed in the present invention. The present invention supplements the UE access flow based on the open home Node B, resolves the problem of the terminal access based on the open home Node B and the problem of the UE access when the open home Node B is closed, supplements the terminal access method of the home Node B under the multi-mode, and enhances the applying field and function of the home Node B.

Description

Method and system for mobile terminal accessing open mode home station

The present invention relates to a method and system for a mobile terminal to access an open mode home base station. Background technique

With the rapid development of mobile networks and the reorganization of telecom mobile operators, seamless access and indoor coverage have become more and more attention of operators in the construction of mobile networks. Although the important task of mobile communication is to ensure the quality of wireless communication for outdoor users, according to statistical surveys, users use the mobile network indoors for the longest time. Therefore, good network coverage, especially indoor coverage, is the focus of the future of mobile communication systems.

In response to this demand, home base station technology is highly appreciated and favored by operators and equipment manufacturers at home and abroad. On the one hand, the home base station can solve the indoor coverage problem quickly and at low cost, providing users with high-speed data services and reducing the load of the macro base station. On the other hand, it also realizes the combination of fixed service and mobile service, which will make mobile communication The family market has grown considerably. The home base station is a small, low-power base station that is a dedicated resource for private users. It is mainly deployed and used in indoor places such as homes, schools, companies, and small group areas. The home base station can supplement the coverage defects of the coarse macro base station cell and provide affordable high-speed data, voice and multimedia services for home users in the 3G communication system.

FIG. 1 is a schematic diagram of a network architecture of a home base station. As shown in FIG. 1 , the core network side includes network elements such as a subscriber database, a mobility management unit, and a charging management server, and these network elements support the access of the home base station. The subscription user database is mainly used to store the data information of the subscription user, and is located in the home network signed by the user. The mobility management unit is the location where the subscriber subscription data is stored in the current network, responsible for non-access stratum (NAS, Non-Access Stratum) signaling management of the mobile terminal and network, security verification of the terminal, mobility management of the terminal, and user idle mode. Tracking And paging management and bearer management. The billing management server performs operations such as charging control and management for the home base station and the user who uses the home base station. The home base station accesses the core network through the Internet using a dedicated gateway. The plurality of cells covered by it form a coverage area of the home base station, which is called Closed Subscriber Group (CSG). The user terminal that is allowed to access the coverage area of the home base station is the user of the closed user group. Each closed subscriber group is identified by a unique identifier assigned by the operator of the public land mobile network, referred to as the home base station coverage area identifier CSG ID. Only authorized users can access the coverage area of the home base station. An end user may belong to multiple closed user groups, and the system assigns a white list (Allow CSG list) to the user. The white list includes the CSG ID that the user is allowed to access. Only the home base station CSG ID identified by the mobile terminal is in its white list, and is allowed to access the current home base station. This effectively ensures that only CSG subscribers can use the CSG resources.

Home base stations typically have two state modes: an open home base station and a closed home base station. The current home base stations are all closed, that is, the users facing the home base station are determined, but as the technology further develops, some home base stations need to be permanently or time-divisionally opened. For example, in some public restaurants, because the macro base station signal coverage is not good, the home base station is required to continuously provide mobile communication services for the guests who come to eat, which requires an open family base station to provide network services for any diners. When a user who has installed a home base station needs to hold a celebration party at home, the owner can set the home base station to be open when the party is opened, and allow all network legitimate users to enter the coverage area of the home base station, and use the The home base station, and under normal circumstances, its home base station is in a closed state.

At present, the technology of the open family base station is still in the research state, and no specific solution has been proposed for the problem of how the mobile terminal accesses the open family base station. Summary of the invention

In view of this, the main object of the present invention is to provide a method and system for a mobile terminal to access an open mode home base station, which can provide a network access service for a mobile terminal. In order to achieve the above object, the technical solution of the present invention is achieved as follows:

A method for a mobile terminal to access an open mode home base station includes:

The mobile terminal searches for a cell and synchronizes to the carrier of the base station, and after receiving the broadcast information of the base station, performs analysis, and determines that the base station sends an access request to the home base station for the home base station;

The home base station determines the status of its closed user group user list. When the home base station is in the disabled state, it determines that the current mode is the open mode, and directly provides the network access service for the mobile terminal.

Preferably, the method further includes: when the status of the home base station is powered on or the user list of the closed user group changes, the home base station mode indication information is sent to the subscription user data server of the core network side through the home base station gateway; The subscriber data server associates the mode indication information of the home base station with the closed subscriber group user list identification information of the home base station, and sets the closed subscriber group user list of the home base station to a disabled state; The information about the home base station: the closed user group user list identification information, the closed user group user list status information, the mode indication information, and the home base station identification information are sent to the home base station by the home base station gateway.

Preferably, the method further includes: when the home base station transitions from the open state to the closed state, the home base station sends the updated mode indication information to the subscription user data server of the core network side by using the home base station gateway; The subscriber data server associates the mode indication information of the home base station with the closed subscriber group user list identification information of the home base station, and restores the closed subscriber group user list of the home base station to an available state; The information of the home base station: the closed user group user list identification information, the closed user group user list status information, the mode indication information, and the home base station identification information are sent to the home base station by the home base station gateway.

Preferably, when the home base station indicates the mode indication information to the core network side, the low-bit bit in the closed user group user list identification information is used to indicate, or add an independent mode. An indicator to display the current mode of the home base station.

Preferably, the method further includes:

After receiving the access request of the mobile terminal, the home base station determines the status of its closed user group user list, and when it is in an available state, determines that the current closed mode, and determines whether the identity identifier of the mobile terminal exists in the closed mode. In the user group user list, if present, the mobile terminal is provided with a network access service; otherwise, the network access service is denied to the mobile terminal, and the mobile terminal is notified.

Preferably, the method further includes: after the mobile terminal fails to access the home base station, searching for other base stations, including broadcast information of the macro base station and other home base stations, attempting to access other cells, and if searching for other base station cells, performing Access, otherwise the mobile terminal is in a no network service state.

A system for a mobile terminal to access an open mode home base station includes a synchronization unit, a receiving and parsing unit, a first determining unit, a first transmitting unit, a receiving unit, a second determining unit, and an access service unit, where:

a synchronization unit, located in the mobile terminal, for searching for a cell and synchronizing to a carrier of a base station to which the searched cell belongs;

a receiving and parsing unit, located in the mobile terminal, configured to receive and parse broadcast information of the base station;

a first determining unit, located in the mobile terminal, configured to determine whether the base station is a home base station, and triggering the first sending unit;

a first sending unit, configured to send an access request to the home base station, where the receiving unit is located in the home base station, and configured to receive the access request sent by the first sending unit;

a second determining unit, located in the home base station, configured to determine a state of the closed user group user list of the home base station, and trigger an access service unit when the state is disabled; An access service unit, configured to provide network access services for the mobile terminal.

Preferably, the system further includes a second sending unit, an associating unit, a setting unit, and a third sending unit, where:

The second sending unit is located in the home base station, and is configured to send the home base station mode indication information to the core network side through the home base station gateway when the home base station is powered on or the state of the closed user group user list changes. Signing up a user data server;

An association unit, located in the subscription user data server, configured to associate mode indication information of the home base station with closed subscriber group user list identification information of the home base station; and a setting unit, located in the subscription user data server, And configured to set a closed user group user list of the home base station to a disabled state;

And a third sending unit, located in the subscription user data server, configured to send information of the home base station to the home base station by using the home base station gateway.

Preferably, the second sending unit is further configured to: when the home base station transitions from the open state to the closed state, send the updated mode indication information to the subscription user data server of the core network side by using the home base station gateway;

The association unit is further configured to associate the mode indication information of the home base station with the closed user group user list identification information of the home base station; the setting unit is further configured to restore the closed user group user list of the home base station In an available state, the information of the home base station is sent to the home base station through the home base station gateway.

Preferably, the information of the home base station includes at least one of the following information: closed user group user list identification information, closed user group user list status information, mode indication information, and home base station identification information.

Preferably, when the second sending unit sends the mode indication information to the core network side, the low-bit bit in the closed user group user list identification information is used to indicate, or an independent mode indicator is added to display the The current mode of the home base station. Preferably, the second determining unit determines, after the receiving unit receives the access request, a status of the closed user group user list of the home base station, and when the status is available, further determining the identity of the mobile terminal. Determining whether the identifier exists in the closed subscriber group user list, and if the presence, the access service unit provides a network access service for the mobile terminal; otherwise, the access service unit refuses to provide the mobile terminal with a network connection. Into the service.

Preferably, the synchronization unit continues to search for other base stations after the mobile terminal fails to access the home base station, and performs synchronous access when searching for other base station cells; wherein the other base stations include macro base stations and other home base stations. Broadcast information.

Preferably, the synchronization unit, the receiving and parsing unit, the first determining unit, and the first sending unit are located in a mobile terminal; the receiving unit, the second determining unit, and the access service The unit and the second sending unit are located in the base station; the association unit, the setting unit and the third sending unit are located in the subscription user data server.

In the present invention, after the UE accesses the mobile communication network, it enters the coverage area of the home base station.

When detecting the radio signal of the home base station cell, the UE first receives the cell broadcast information sent by the home base station. According to the mode indicator in the broadcast message or the mode indication bit of the CSG ID, it is determined whether the home base station is in the open mode. If it is in the open mode, the UE continues to make an access request regardless of whether the home base station is in the white list of the UE, and uses the resources and services of the current home base station. If it is in the closed mode, the access request is continued for the home base station in the white list according to the traditional home base station access mode, otherwise the home base station refuses to provide the service. The present invention supplements the process of UE access under the open-type home base station, and solves the problem of UE access when the terminal accesses and closes the open-type home base station under the open-type home base station, and better complements the home base station. The terminal access method in the mode enhances the application range and functions of the home base station. DRAWINGS

Figure 1 is a network diagram of a home base station network in a UMTS system;

2A is a coverage scenario a of a home base station according to the present invention; 2B is a coverage scenario b of the home base station of the present invention;

3 is a schematic flowchart of a method for a mobile terminal to access an open mode home base station according to a first embodiment of the present invention;

4 is a schematic flowchart of a method for a mobile terminal to access an open mode home base station according to a second embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a system for accessing an open mode home base station by a mobile terminal according to the present invention. detailed description

The basic idea of the present invention is: when the mobile terminal searches for the home base station cell, determines whether the home base station is in an open mode or a closed mode according to the broadcast information of the cell, and if it is in an open mode, whether the terminal belongs to the closed subscriber group of the home base station The group can access the home base station; if it is in the closed mode, it determines whether it belongs to the closed base group of the home base station. If yes, an access request is sent, otherwise the home base station is no longer accessed. In this way, the mobile terminal can access the mobile network according to the mode of the home base station.

The present invention will be further described in detail below with reference to the accompanying drawings.

2A is a coverage scenario a of a home base station according to the present invention, and FIG. 2B is a coverage scenario b of a home base station according to the present invention. As shown in FIG. 2A and FIG. 2B, there are two main application scenarios of the present invention: scenario a, the home base station cell is in the Acer base In the coverage of the Macro Cell, the macro base station cell blind area coverage is compensated and enhanced. In this scenario, the UE may be a member of the CSG closed user group, or it may not. Scene b, the home base station cell is in a range that the macro base station cell cannot cover. The UE entering the home base station cell is only in the coverage of the home base station. In this scenario, the UE may be a member of the CSG closed user group, or it may not. In both scenarios, the home base station becomes open from a closed state (only authorized users are allowed to use it) (all mobile users can use it). At this time, the UE is in the coverage of the current CSG cell, if the UE itself has After the closed user group authorized user (CSG user), it can be accessed according to the normal home base station access mode. However, if the UE is not in the closed subscriber group, how to access the home base station in the current open state will be separately described below.

FIG. 3 is a schematic flowchart of a method for a mobile terminal to access an open-mode home base station according to a first embodiment of the present invention. The embodiment is directed to an access method of a mobile terminal in which the home base station is in an open mode, as shown in FIG. The method for the mobile terminal of the present invention to access the open mode home base station includes:

Step 301: The home base station reports the open mode supported by the home base station to the core network side, and the core network side modifies the mode indication parameter of the home base station in the subscription user database and disables the CSG user list group status according to the open mode reported by the home base station. When the status is put, the ID information, status mode indication information, registration information, configuration parameters and other related parameters are sent to the home base station gateway. The home base station gateway transmits the information parameter of the home base station to the subscription user data server on the core network side, and the subscription user data server associates the status mode indication of the home base station with information such as the CSG ID of the home base station. The subscription user data server modifies the subscription user database, and the state of the CSG user list under the home base station is modified to be prohibited, that is, the access user of the home base station is no longer restricted by the CSG user list, even the mobile terminal in the non-CSG user list. The core network side will also provide the corresponding network services. The core network side sends the related information of the home base station, such as a CSG ID, a CSG user list (disabled state), a home base station mode status information, a home base station ID, and the like, to the home base station through the home base station gateway, and the home base station stores the received information. information. The above information is equivalent to the confirmation information on the core network side, that is, the home base station is informed that the mobile station is in an open state, and even the mobile terminal in the non-home base station CSG user list is allowed to access the mobile network through the home base station.

Here, a low bit in the CSG ID may be used to indicate the status of the home base station, and an independent status mode indicator may be added to display the status of the home base station. When processing the mode indication information of the home base station, the core network side also sends the home base station mode status information to the charging management server. The charging management server retrieves the charging policy, management control, and the like in the open mode for the home base station and the user accessing the home base station. The specific charging policy and management control policy are determined by the operator.

The home base station transmits cell broadcast information within its coverage.

Step 302: The mobile terminal detects and synchronizes to the carrier of the home base station, and receives cell broadcast information from the home base station, and extracts mode indication information in the home base station broadcast information.

In the present invention, the cell broadcast information of the home base station includes mode indication information of the home base station, that is, whether the home base station is currently in the closed mode or the open mode. Here, a low bit in the CSG ID may be used to indicate the status of the home base station, or an independent status mode indicator may be added to display the status of the home base station.

The mode indication information of the CSG user list of the home base station can be implemented by 1 bit. Therefore, the bit can be inserted into the closed user group user list, that is, the CSG user list, that is, newly added in the user list of the closed user group. A mode indicator bit that is a list of closed user group users. The UE determines that the home base station is in an open mode according to a mode indicator in the broadcast message or a mode indication bit of the CSG ID.

Step 303: The mobile terminal determines that the home base station is in an open mode, and sends an access request to the home base station.

According to the mode indicator in the broadcast message, it is determined whether the home base station is in an open mode. Or determine the current mode of the home base station through a certain bit of the CSG ID. In the open mode, regardless of whether the home base station is in the white list of the terminal, the UE continues to make an access request, using the resources and services of the current home base station.

Step 304: The home base station answers the access request of the mobile terminal, allowing the mobile terminal to access and use its resources and services.

Since the CSG group user list in the home base station is disabled, it does not need to be verified. Whether the mobile terminal requesting access belongs to the authorized user of the home base station, and directly establishes a connection with the mobile terminal, allocates resources, provides services, etc., and at this time, the core network side is also set to the CSG user list disabled state, and The corresponding network service is directly provided for the accessed mobile terminal.

4 is a schematic flowchart of a method for a mobile terminal to access an open mode home base station according to a second embodiment of the present invention. The embodiment is directed to an access method of a mobile terminal after the home base station is changed from an open mode to a closed mode, that is, The method for the user base station to provide the service access to the user in the CSG user list is as shown in FIG. 4. The method for the mobile terminal of the present invention to access the open mode home base station includes: Step 401: The home base station reports the closed mode supported by the home base station to the core On the network side, the core network side modifies the mode indication parameter of the home base station in the subscription subscriber database and disables the CSG user list group state according to the closed mode reported by the home base station.

When the home base station is set to be in a closed state, when the user updates its status from the open state to the closed state, the ID information, status mode indication information, registration information, configuration parameters and other related parameters are sent to the home base station gateway. The home base station gateway sends the information parameter of the home base station to the subscription user data server on the core network side, and the subscription user data server modifies the subscription user database, and associates the mode indication information of the home base station with the identity information such as the CSG ID of the home base station. That is, the CSG user list of the home base station is restored to the normal mode, and the state of the CSG user list under the home base station is modified to be available, and the access users in the CSG user list of the home base station are restricted by the CSG user list, and the non-CSG users are restricted. The mobile terminals in the list will not receive services supported by the network. The core network side sends the related information of the home base station, such as a CSG ID, a CSG user list (available status), a home base station closed mode status information, a home base station ID, and the like, to the home base station through the home base station gateway, and the home base station stores the received information. The above information. The above information is equivalent to the confirmation information on the core network side, that is, the home base station is informed that the mobile station is in a closed state, and the mobile terminal in the non-home base station CSG user list is not allowed to access the mobile network.

When processing the mode indication information of the home base station, the core network side also sends the home base station mode status information to the charging management server. Charging management server for the home base station and access The user of the home base station learns the charging policy and management control in the closed mode. The specific charging policy and management control are determined by the operator.

The home base station transmits cell broadcast information within its coverage.

Step 402: The mobile terminal detects and synchronizes to the carrier of the home base station, and receives cell broadcast information from the home base station, and extracts mode indication information in the home base station broadcast information.

In the present invention, the cell broadcast information of the home base station includes mode indication information of the home base station, that is, whether the home base station is currently in the closed mode or the open mode. Here, a low bit in the CSG ID may be used to indicate the status of the home base station, or an independent status mode indicator may be added to display the status of the home base station. The mode indication information of the CSG user list of the home base station: the disabled state or the available state can be implemented by 1 bit, and therefore, the bit can be inserted into the closed user group user list, that is, the CSG user list, that is, the closed A new mode indicator bit is added to the user list of the user group as a closed user group user list.

The UE determines, according to the mode indicator in the broadcast message or the mode indication bit of the CSG ID, that the home base station is in the closed mode.

Step 403: The mobile terminal determines that the home base station is in the closed mode, and extracts a system message such as a CSG ID in the broadcast information, and matches the CSG user list information in the white list stored by itself, if the matching proceeds to step 404, otherwise Proceed to step 405.

When the mobile terminal determines that the home base station is in the closed mode, if the home base station access request is initiated, the home base station determines the state of the closed user group user list after receiving the access request of the mobile terminal, and determines that the state of the closed user group user list is available. The current mode is a closed mode, determining whether the identity of the mobile terminal exists in the closed user group user list, and if yes, providing the network terminal with the network access service; otherwise, refusing to provide the mobile terminal with a network connection Enter the service and notify the mobile terminal. Go to step 405.

Step 404: The mobile terminal sends an access request to the home base station, and the home base station answers the access request of the mobile terminal, allowing the mobile terminal to access and use its resources and services. After receiving the access request of the mobile terminal, the home base station determines that the mobile terminal belongs to the user in the CSG internal group user list, directly establishes a connection with the mobile terminal, allocates resources, provides services, and the like, and the core network side also has the same The corresponding network service is provided for the accessed mobile terminal.

Step 405: The mobile terminal determines that the home base station CSG user list does not exist in its own white list. If the mobile terminal is not the authorized user of the home base station, the mobile terminal will continue to search for the ordinary base station cell, and if it searches, send to other base station cells. The network access is made by accessing the request, otherwise the mobile terminal is in a networkless state.

When the home base station is in the coverage of the normal base station macro base station cell, if the CSG user list information of the home base station does not match the CSG user list information in the mobile terminal white list, the broadcast information of the common base station macro base station cell is started to be searched. Accessing the macro base station cell, that is, accessing the service according to the access mode of the ordinary base station. If the home base station is not within the coverage of the normal base station macro base station cell, the mobile terminal is in a no network service state.

In the present invention, when the mobile terminal is registered as a user of the home base station, a service contract is signed with the operator, and the operator updates the configuration parameters of the core network side and the home base station, that is, establishes a CSG user list for the home base station, and updates the list to The subscribers of the home base station and the core network will sign up in the subscriber database, and at the same time, a white list is set in the mobile terminal to store the identification information of the closed subscriber group of the home base station. The conversion of the open or closed mode of the home base station can be either manually or manually.

The present invention is applicable to mobile communication systems such as Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems, Wideband Code Division Multiple Access (WCDMA) systems, and Long Term Evolution (LTE) systems.

FIG. 5 is a schematic structural diagram of a system for a mobile terminal to access an open mode home base station according to the present invention. As shown in FIG. 5, the system for accessing an open mode home base station by the mobile terminal of the present invention includes a synchronization unit 50, a receiving and parsing unit 51, and a a determining unit 52, a first transmitting unit 53, a receiving unit 54, a second determining unit 55 and an access service unit 56, wherein the synchronization unit 50 is located in the mobile terminal, and is used for searching for a cell and synchronizing to the base station to which the searched cell belongs On the carrier; receiving and The parsing unit 51 is located in the mobile terminal, and is configured to receive and parse the broadcast information of the base station. The first determining unit 52 is located in the mobile terminal, and is used to determine whether the base station is a home base station, and triggers the first sending unit 53; The first sending unit 53 is located in the mobile terminal, and is configured to send an access request to the home base station. The receiving unit 54 is located in the home base station, and is configured to receive the access request sent by the first sending unit 53. 55 is located in the home base station, configured to determine a state of the closed subscriber group user list of the home base station, and triggers an access service unit 56 when the state is disabled; and the access service unit 56 is configured to provide network access services for the mobile terminal. .

As shown in FIG. 5, the system for accessing the open mode home base station of the mobile terminal of the present invention further includes a second sending unit 57, an associating unit 58, a setting unit 59, and a third sending unit 510, wherein the second sending unit 57 is located in the The home base station is configured to send the home base station mode indication information to the subscription user data server of the core network side through the home base station gateway when the home base station is powered on or the state of the closed user group user list changes; the association unit 58 The mode of the user base station is used to associate the mode indication information of the home base station with the closed user group user list identification information of the home base station; the setting unit 59 is located in the subscription user data server, and is used to The closed user group user list of the home base station is set to a disabled state; the third sending unit 510 is located in the subscription user data server, and is configured to send information of the home base station to the home base station through the home base station gateway. .

The second sending unit 57 is further configured to: when the home base station transitions from the open state to the closed state, send the updated mode indication information to the subscription user data server of the core network side by using the home base station gateway;

The association unit 58 is further configured to associate the mode indication information of the home base station with the closed user group user list identification information of the home base station; the setting unit 59 is further configured to restore the closed user group user list of the home base station to be available. a state, and the information of the home base station is sent to the home base station by using the home base station gateway. The information of the foregoing home base station includes at least one of the following information: closed user group user list identification information, closed user group user List status information, mode indication information, and home base station identification information.

When the second sending unit 57 sends the mode indication information to the core network side, it uses a certain low bit in the closed user group user list identification information to indicate, or adds an independent mode indicator to display the current status of the home base station. mode.

After the receiving unit 54 receives the access request, the second determining unit 57 determines the state of the closed user group user list of the home base station, and when it is in an available state, further determines whether the identity identifier of the mobile terminal exists in the In the closed subscriber group user list, if present, the access service unit 56 provides the network access service for the mobile terminal. Otherwise, the access service unit 56 refuses to provide the network access service for the mobile terminal.

The synchronization unit 50 continues to search for other base stations after the mobile terminal fails to access the home base station, and performs synchronous access when searching for other base station cells. The other base stations include broadcast information of the macro base station and other home base stations.

It should be understood by those skilled in the art that the system for accessing the open mode home base station by the mobile terminal shown in FIG. 5 is designed to implement the foregoing method for the mobile terminal to access the open mode home base station, and each processing unit in the system shown in FIG. The function can be understood by referring to the related description in the foregoing method for the mobile terminal to access the open mode home base station. The functions of the various processing units can be implemented by a program running on the processor or by a specific logic circuit.

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

Claims

Claim

A method for a mobile terminal to access an open mode home base station, comprising: a mobile terminal searching for a cell, and synchronizing to a carrier of a base station to which the searched cell belongs, receiving broadcast information of the base station, and parsing, determining When the base station is a home base station, sending an access request to the home base station; and

After receiving the access request, the home base station determines the status of its closed user group user list, and when the status is disabled, provides the network access service for the mobile terminal.

The method according to claim 1, wherein the method further comprises: sending, by the home base station gateway, the station mode indication information to the subscription user data server on the core network side;

The subscriber data server associates mode indication information of the home base station with closed subscriber group user list identification information of the home base station, and sets a closed subscriber group user list of the home base station to a disabled state, and the The information of the home base station is sent to the home base station through the home base station gateway.

The method according to claim 1, wherein the method further comprises: when the home base station transitions from an open state to a closed state, the home base station passes the updated mode indication information to the home base station gateway. Sended to the contracted user data server on the core network side;

The subscriber data server associates the mode indication information of the home base station with the closed subscriber group user list identification information of the home base station, and restores the closed subscriber group user list of the home base station to an available state, and the The information of the home base station is sent to the home base station through the home base station gateway.

The method according to claim 2 or 3, wherein the information of the home base station comprises at least one of the following information: closed user group user list identification information, closed user Group user list status information, mode indication information, and home base station identification information.

The method according to claim 4, wherein the method further comprises: when the home base station indicates information to the core network side, using one of the closed user group user list identification information The low bit indicates, or adds an independent mode indicator to display the current mode of the home base station.

The method according to claim 1, wherein the method further comprises: after receiving the access request of the mobile terminal, the home base station determines the state of the user list of the closed user group, and the state is available. Determining whether the identity of the mobile terminal exists in the closed subscriber group user list, if yes, providing the network access service to the mobile terminal; otherwise, refusing to provide the mobile terminal with network access service .

The method according to claim 6, wherein the method further comprises: after the mobile terminal fails to access the home base station, searching for other base stations, and performing access when searching for other base station cells; The other base stations include broadcast information of the macro base station and other home base stations.

A system for a mobile terminal to access an open mode home base station, comprising: a synchronization unit, a receiving and parsing unit, a first determining unit, a first transmitting unit, a receiving unit, a second determining unit, and an access service unit , among them:

a synchronization unit, configured to search for a cell and synchronize to a carrier of a base station to which the searched cell belongs; a receiving and parsing unit, located in the mobile terminal, configured to receive and parse broadcast information of the base station;

a first determining unit, configured to determine whether the base station is a home base station, and trigger a first sending unit;

a first sending unit, configured to send an access request to the home base station;

a receiving unit, configured to receive the access request sent by the first sending unit, and a second determining unit, configured to determine a state of a closed user group user list of the home base station, where Trigger access to the service unit when the state is disabled;

An access service unit, configured to provide network access services for the mobile terminal.

The system according to claim 8, wherein the system further comprises a second sending unit, an associating unit, a setting unit, and a third sending unit, wherein:

a second sending unit, configured to send the home base station mode indication information to the subscription user data server on the core network side through the home base station gateway when the home base station is powered on or the status of the closed user group user list changes;

An association unit, configured to associate mode indication information of the home base station with closed user group user list identification information of the home base station;

a setting unit, configured to set a closed user group user list of the home base station to a disabled state;

And a third sending unit, configured to send information of the home base station to the home base station by using the home base station gateway.

The system according to claim 9, wherein the second sending unit is further configured to: when the home base station transitions from an open state to a closed state, pass the updated mode indication information to the home base station. The gateway is sent to the subscriber data server of the core network side; the association unit is further configured to associate the mode indication information of the home base station with the closed subscriber group user list identifier information of the home base station;

The setting unit is further configured to restore the closed user group user list of the home base station to an available state, and send the information of the home base station to the home base station by using the home base station gateway.

The system according to claim 9 or 10, wherein the information of the home base station comprises at least one of the following information: closed user group user list identification information, closed user group user list status information, mode indication Information and home base station identification information.

12. The system according to claim 11, wherein the second transmitting unit, When the mode indication information is sent to the core network side, the low-bit bit in the closed user group user list identification information is used to indicate, or an independent mode indicator is added to display the current mode of the home base station.

The system according to claim 12, wherein the second determining unit is further configured to: after the receiving unit receives the access request, determine a closed user group user list of the home base station a state of the available state, further determining whether the identity of the mobile terminal exists in the closed subscriber group user list, and if present, the access service unit provides network access service for the mobile terminal, otherwise The access service unit refuses to provide a network access service for the mobile terminal.

The system according to claim 13, wherein the synchronization unit is further configured to: after the mobile terminal fails to access the home base station, continue to search for other base stations, and perform synchronization when searching for other base station cells. The other base station includes broadcast information of the macro base station and other home base stations.

The system according to claim 14, wherein the synchronization unit, the receiving and parsing unit, the first determining unit, and the first sending unit are located in a mobile terminal; The second determining unit, the access service unit, and the second sending unit are located in a base station; the association unit, the setting unit, and the third sending unit are located in a subscription user data server.