CN102223705A - Multi-cell network of home base station and realization method of same - Google Patents

Abstract

The present invention provides a home base station multi-cell network and its implementation method. The method includes the following steps: saving at least one cell information in the home base station; the home base station establishes at least one SCTP connection with the gateway according to the saved cell information and sends Gateway registration: the home base station records the corresponding relationship between each cell and the SCTP connection, and each cell performs data interaction with the gateway through the corresponding SCTP connection. The home base station multi-cell network and its implementation method of the present invention realize the purpose of a single home base station supporting multiple cells, break through the limitation that a single home base station can only support a single wireless cell, and enrich the networking mode of the home base station. The application scenarios of the home base station are expanded.

Description

Home base station multi-cell network and its implementation method

technical field

The present invention relates to the field of wireless communication, in particular to a home base station multi-cell network and an implementation method thereof.

Background technique

A femtocell is usually used in a home or business environment to form a microcellular system. Its transmission distance is small, and there are not many users supported. Generally, it is connected to the operator's core network through a wired network to achieve small-scale wireless coverage. The rise of femtocells is mainly for mobile phone operators to cope with the competition from emerging wireless operators and mobile virtual network operators (MVNOs), and to solve the problem of unreliable indoor coverage of 3G technology. Femtocells are low in cost, easy to deploy, and can effectively supplement the coverage of macro base stations, and have been more and more widely used.

However, according to the relevant protocol regulations of the home base station, a single home base station supports a single cell, and each cell corresponds to an SCTP (Stream Control Transmission Protocol, Stream Control Transmission Protocol) connection, and the data of the cell is transmitted to the gateway through the SCTP connection. That is to say, a single home base station can only support a single cell, which affects the use range and effect of the home base station.

Contents of the invention

In order to solve the above problems, the present invention provides a home base station multi-cell network and its implementation method, enabling a single home base station to support multiple cells.

A method for realizing a home base station multi-cell network, comprising the following steps:

storing at least one cell information in the home base station;

The home base station establishes at least one SCTP connection with the gateway and registers with the gateway according to the saved cell information;

The home base station records the corresponding relationship between each cell and the SCTP connection, and each cell performs data interaction with the gateway through the corresponding SCTP connection.

A home base station multi-cell network, comprising: a gateway and a home base station, the home base station is connected to the gateway through an Ethernet;

The home base station is used to save at least one cell information, and according to the saved cell information, establish at least one SCTP connection with the gateway and register with the gateway, record the corresponding relationship between each cell and the SCTP connection, and make each cell connect to the SCTP through the corresponding SCTP connection. Gateway for data exchange.

It can be seen from the above scheme that in the home base station multi-cell network and its implementation method of the present invention, multiple SCTP connections are established with the gateway in one home base station hardware, and each cell corresponds to one SCTP connection, so that each subsequent cell All the data can be transmitted to the gateway through the corresponding SCTP connection, thus realizing the purpose of a single home base station supporting multiple cells, breaking through the limitation that a single home base station can only support a single wireless cell, enriching the networking mode of the home base station, expanding The application scenarios of the home base station.

Description of drawings

FIG. 1 is a flow chart of a method for implementing a home base station multi-cell network in Embodiment 1;

FIG. 2 is a schematic structural diagram of a home base station multi-cell network in Embodiment 2;

Fig. 3 is a schematic structural diagram of a home base station multi-cell network in Embodiment 3.

Detailed ways

The present invention provides a home base station multi-cell network and its implementation method, which can solve the problem in the prior art that a single home base station cannot support multiple cells. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Embodiment one

As shown in Figure 1, a method for implementing a home base station multi-cell network may include the following steps:

In step S1, at least one cell information is stored in the home base station. In different cell information, some parameters related to the home base station hardware may have the same value or different values. In the home base station, it may be selected to store information of one cell or to store information of multiple (more than two) cells according to specific needs.

In step S2, the home base station correspondingly establishes at least one SCTP connection (channel) with the gateway according to the saved information of at least one cell and registers with the gateway. This step can specifically include the following steps:

1), the home base station establishes an SCTP connection for the first cell with the gateway according to the saved first cell information, and registers with the gateway;

2) The home base station establishes an SCTP connection with the gateway for the second cell according to the stored information of the second cell, and registers with the gateway. From the perspective of the gateway, the home base station registered according to the information of the second cell and the home base station registered according to the information of the first cell are two independent home base station entities;

...

N), the home base station establishes an SCTP connection for the Nth cell with the gateway according to the saved Nth home base station and cell information, and registers with the gateway. From the point of view of the gateway, the HNB registered according to the information of the Nth cell and the HNB registered based on the information of other cells are N independent HNB entities.

It should be noted that each SCTP connection established in step S2 corresponds to a certain cell, and this corresponding relationship needs to be recorded. Therefore, step S3 is entered: the home base station records the corresponding relationship between each cell and the SCTP connection, and each cell performs data interaction with the gateway through the corresponding SCTP connection.

For example, in 1), the home base station records the correspondence between the first cell and its SCTP connection, in 2), the home base station records the correspondence between the second cell and its SCTP connection, ..., in N) In the home base station, the home base station records the corresponding relationship between the Nth cell and its SCTP connection...Save these corresponding relationships in the home base station, and must be able to find the corresponding SCTP connection (channel) through this corresponding relationship, so that Subsequent data from user equipment in each cell can be transmitted to the gateway through the corresponding SCTP connection.

The above-mentioned process of data interaction between each cell and the gateway through the corresponding SCTP connection specifically includes the following steps: after the home base station completes the registration and startup process, according to the saved cell information, the cell broadcast information of multiple cells is sent by radio frequency; the user equipment After receiving the cell broadcast information of a certain cell of the home base station, the service is initiated in the cell receiving the cell broadcast information, and the home base station selects different wireless parameters and radio resource management strategies according to different cells accessed by the user equipment, through The corresponding SCTP connection performs data interaction with the gateway, and provides wireless access function for the user equipment.

Preferably, the above-mentioned process of transmitting cell broadcast information of multiple cells through radio frequency may specifically include the following steps: simultaneously transmit multiple cell broadcast information through the same radio frequency channel and antenna, or transmit different cell broadcast information through different radio frequency channels and antennas. broadcast information.

In addition, after step S1 saves at least one cell information in the home base station and before step S2 establishes at least one SCTP connection with the gateway, step S101 may further include: establishing at least one secure tunnel between the home base station and the security gateway, the The SCTP connection is carried on the security tunnel, and the security tunnel is established to provide security protection for the SCTP connection. It should be noted that: one SCTP connection may be borne by one secure tunnel, and multiple SCTP connections may be jointly borne by one secure tunnel.

Embodiment two

Corresponding to the implementation method of a home base station multi-cell network of the present invention, the present invention also provides a home base station multi-cell network, including: a gateway and a home base station, and the home base station is connected to the gateway through an Ethernet;

The home base station is used to save at least one cell information, and according to the saved cell information, establish at least one SCTP connection with the gateway and register with the gateway, record the corresponding relationship between each cell and the SCTP connection, and make each cell connect to the SCTP through the corresponding SCTP connection. Gateway for data exchange.

As a preferred embodiment, the home base station multi-cell network of the present invention may further include a security gateway, which is connected between the Ethernet and the gateway, and plays a role of providing security.

In order to help further understand the working principle of a home base station multi-cell network of the present invention, the following takes one home base station to provide wireless coverage for two cells as an example to describe in detail:

As shown in FIG. 2 , a home base station multi-cell network includes a home base station 11, an Ethernet 12, a security gateway 13, a gateway 14, a cell (or called a coverage cell) 15, a cell 16, and a plurality of user equipment 17, Moreover, the home base station 11 is connected to the security gateway 13 and the gateway 14 in turn through the Ethernet 12 . The following describes the working process of the home base station multi-cell network in this embodiment:

A. Store the coverage cell 15 and the coverage cell 16 cell information in the home base station. As a better embodiment, the content of some parameters related to the home base station hardware can be the same value;

B. Establish at least one secure tunnel between the home base station 11 and the security gateway 13 . Since the present embodiment has only two sub-districts, there are only two SCTP connections correspondingly, so as a better embodiment, only one secure tunnel is set up here;

C. The home base station establishes an SCTP connection (channel) for the covered cell 15 according to the stored information of the covered cell 15 and registers with the gateway 14 . It should be noted that the above SCTP connection is carried on the secure tunnel established in step B;

D. The home base station establishes an SCTP connection (channel) for the covered cell 16 according to the saved information of the covered cell 16 and registers with the gateway 14 . Similarly, the SCTP connection is also carried on the security tunnel established in step B. It should be noted that: 1. The SCTP connections in steps C and D can be carried in the same secure tunnel, or in different secure tunnels (that is, two secure tunnels are established in step B, and one secure tunnel corresponds to one SCTP connection); 2. From the point of view of the gateway 14, the covered cell 15 and the covered cell 16 belong to two independent home base stations;

E. The home base station 11 records the corresponding relationship between the two cells and their SCTP connections in steps C and D, and each cell performs data interaction with the gateway 14 through the corresponding SCTP connection.

As a better embodiment, the home base station may include a sending module, which is used to send cell broadcast information of multiple cells through radio frequency according to the saved cell information after the home base station completes the registration and startup process; After the device receives the cell broadcast information, it initiates a service in the cell that received the cell broadcast information, and the home base station selects different wireless parameters and radio resource management strategies according to the different cells accessed by the user equipment, and uses the corresponding SCTP Connect to the gateway for data interaction and provide wireless access functions for user equipment.

As in this embodiment, the home base station 11 transmits the cell broadcast information of the coverage cell 15 and the coverage cell 16 by radio frequency (from FIG. The cell that only allows specific users to access can provide higher QoS services; the coverage cell 16 is an open cell that can provide services for all users, but the QoS is relatively low), and the user equipment 17 receives the signal transmitted by the home base station 11 The cell that covers the cell 15 or the cell that covers the cell 16 broadcasts information, and initiates a service in the cell that receives the cell broadcast information. The home base station 11 selects different wireless parameters and radio resource management strategies according to the different cells accessed by the user equipment, and performs data interaction with the gateway through the corresponding SCTP connection to provide the user equipment 17 with a wireless access function.

Preferably, the above-mentioned sending module can simultaneously send multiple cell broadcast information through the same radio frequency channel and antenna, or send different cell broadcast information through different radio frequency channels and antennas.

Embodiment Three

The main difference between this embodiment and the second embodiment is that: the home base station multi-cell network of the present invention also includes at least one remote radio unit, as shown in FIG. 3 . Comparing Fig. 3 and Fig. 2, it can be seen that the coverage of one of the cells in Fig. 2 includes the other cell, but the coverage of the two cells in Fig. 3 has no intersection. In this case, it is necessary to introduce a remote radio unit, through which the home base station sends the cell broadcast information to user equipments in different cells to provide wireless coverage of different cells.

As shown in FIG. 3 , a home base station multi-cell network includes a home base station 21, an Ethernet 22, a security gateway 23, a gateway 24, a radio remote unit 25, a radio remote unit 26, a coverage cell 27, a coverage cell 28, and A plurality of user devices 29 . The working principle of the home base station multi-cell network in this embodiment is described in detail below:

A. Save the two cell information of the covered cell 27 and the covered cell 28 in the home base station, wherein the content of some parameters related to the hardware of the home base station is the same value;

B. Establish a secure tunnel between the home base station 21 and the security gateway 23;

C. The home base station establishes an SCTP connection (channel) for the covered cell 27 according to the stored information of the covered cell 27 and registers with the gateway 24 . It should be noted that the above SCTP connection is carried on the secure tunnel established in step B;

D. The home base station establishes an SCTP connection (channel) for the covered cell 28 and registers with the gateway 24 according to the saved information of the covered cell 28 . It should be noted that: I, the above-mentioned SCTP connection is carried on the security tunnel established in step B; II, from the point of view of the gateway 24, the covered cell 27 and the covered cell 28 belong to two independent home base stations;

E. The home base station 21 records the corresponding relationship between the two cells in steps C and D and their SCTP connections, and each cell performs data interaction with the gateway 24 through the corresponding SCTP connection. The data interaction process can be specifically described as follows: the home base station 21 sends the cell broadcast information covering the cell 27 through the radio remote unit 25, and the home base station 21 also sends the cell broadcast information covering the cell 28 through the radio remote unit 26, covering the cell 27 and 28 do not overlap, and can provide different cell wireless coverage for user equipment 29 in different cell locations; user equipment 29 in different locations in different cells receive the cell broadcast information of the covered cell 27 or the covered cell 28 transmitted by the home base station 21 Afterwards, the service is initiated in the cell that receives the cell broadcast information; the home base station 21 selects different wireless parameters and radio resource management strategies according to the different cells accessed by the user equipment, and performs data interaction with the gateway through the corresponding SCTP connection to serve the user Device 29 provides wireless access functionality.

In the home base station multi-cell network and its implementation method of the present invention, multiple SCTP connections are established with the gateway in one home base station hardware, and each cell corresponds to one SCTP connection and the corresponding relationship is recorded, so that each subsequent cell All the data can be transmitted to the gateway through the corresponding SCTP connection, thus realizing the purpose of a single home base station supporting multiple cells, breaking through the limitation that a single home base station can only support a single wireless cell, and enriching the networking mode of the home base station; and The home base station multi-cell network and its implementation method of the present invention can meet the protocol requirements, expand the application scenarios of the home base station and provide better coverage effect.

The embodiments of the present invention described above are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (10)

1. A method for realizing a home base station multi-cell network, comprising the following steps: storing at least one cell information in the home base station; The home base station establishes at least one SCTP connection with the gateway and registers with the gateway according to the saved cell information; The home base station records the corresponding relationship between each cell and the SCTP connection, and each cell performs data interaction with the gateway through the corresponding SCTP connection. 2. The method for implementing a home base station multi-cell network according to claim 1, characterized in that, after storing at least one cell information in the home base station and before establishing at least one SCTP connection with the gateway, the method further includes: At least one secure tunnel is established between the base station and the security gateway, and the SCTP connection is carried on the secure tunnel. 3. The method for implementing a home base station multi-cell network according to claim 1, wherein the process of each cell performing data interaction with the gateway through the corresponding SCTP connection specifically includes: the home base station completes the registration and startup process Then, according to the saved cell information, send the cell broadcast information of multiple cells through radio frequency; when the user equipment receives the cell broadcast information and initiates a service in the cell that receives the cell broadcast information, the home base station Select different radio parameters and radio resource management strategies according to different cells accessed by the user equipment, and perform data interaction with the gateway through the corresponding SCTP connection. 4. The method for implementing a home base station multi-cell network according to claim 3, wherein the process of sending the cell broadcast information of multiple cells through radio frequency specifically includes: sending multiple cell broadcast information through the same radio frequency channel and antenna at the same time Cell broadcast information, or send different cell broadcast information through different radio frequency channels and antennas. 5. A home base station multi-cell network, comprising: a gateway and a home base station, the home base station being connected to the gateway through an Ethernet; The home base station is used to save at least one cell information, and according to the saved cell information, establish at least one SCTP connection with the gateway and register with the gateway, record the corresponding relationship between each cell and the SCTP connection, and make each cell connect to the SCTP through the corresponding SCTP connection. Gateway for data exchange. 6. The Femtocell multi-cell network according to claim 5, further comprising a security gateway connected between the Ethernet and the gateway. 7. The home base station multi-cell network according to claim 6, wherein at least one security tunnel is established between the home base station and the security gateway, and the SCTP connection is carried on the security tunnel. 8. The home base station multi-cell network according to claim 5, wherein the home base station includes a sending module, which is used to transmit information via radio frequency according to the stored cell information after the home base station completes the registration and startup process. Send cell broadcast information of multiple cells; When the user equipment receives the cell broadcast information and initiates a service in the cell receiving the cell broadcast information, the home base station selects different radio parameters and radio resource management strategies according to the different cells accessed by the user equipment, through The corresponding SCTP connection exchanges data with the gateway. 9. The home base station multi-cell network according to claim 8, wherein the sending module simultaneously sends broadcast information of multiple cells through the same radio frequency channel and antenna, or transmits broadcast information of different cells through different radio frequency channels and antennas broadcast information. 10. The home base station multi-cell network according to claim 8 or 9, further comprising at least one remote radio unit, the home base station sends the cell broadcast information to different user equipment in the cell.

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