Summary of the invention
The purpose of the present invention is to provide a kind of method, apparatus and base station that terminal device is switched to Target cell, solutions
The problem of terminal device in the prior art of having determined cannot accurately be switched to the cell that one has specific feature when being switched to new cell.
In order to achieve the above object, the embodiment of the present invention provides a kind of method that terminal device is switched to Target cell,
Include:
It obtains the type identification of the terminal device and is connect with the adjacent base station of the source base station of terminal device access special
With the information of network;
When cell switching occurs for the terminal device, according to the type identification and the private network being connect with adjacent base station
The terminal device is switched to the target for supporting the characteristic of target-specific network corresponding with the type identification by the information of network
Cell.
Wherein, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
The terminal device is switched to the characteristic for supporting target-specific network corresponding with the type identification by the information of dedicated network
Target cell the step of include:
When cell switching occurs for the terminal device, the alternative target cells column that the terminal device has access to are received
Table;
According to the type of the information for the dedicated network being connect with the base station where alternative target cells and the terminal device
Mark determines target-specific network corresponding with the type identification of the terminal device, and supports for terminal device selection
The Target cell of the characteristic of target-specific network;Wherein, the base station where the Target cell and the target-specific network connect
It connects;
The terminal device is switched to the Target cell.
Wherein, the step of type identification for obtaining the terminal device includes:
It is received as the foundation request that the terminal device establishes initial context, carries the terminal in the foundation request
The type identification of equipment;
It sends and requests response for the foundation for establishing request, the foundation request response is initial for showing to establish
Hereafter whether succeed.
Wherein, the step of type identification for obtaining the terminal device includes:
Wireless capability message inquiry request is sent to the terminal device;
The wireless capability message for the terminal device that the terminal device returns is received, is wrapped in the wireless capability message
Type identification containing the terminal device.
Wherein, the step of type identification for obtaining the terminal device includes:
Receive the radio resource control RRC connection request that the terminal device is sent;
RRC connection is established for the terminal device, and sends RRC connection establishment response to the terminal device;
The RRC connection that the terminal device returns after reception RRC successful connection, which is established, completes information, and the RRC connection is built
The vertical type identification completed in information comprising the terminal device.
Wherein, obtain connect with the adjacent base station of the source base station dedicated network information the step of include:
Receive the letter for the dedicated network connecting with the adjacent base station of the source base station that operation and maintenance management OAM system issues
Breath.
Wherein, the type identification of the terminal device is that the terminal saved in home signature user server HSS is set
Standby type identification;Or
The type identification of the terminal device is the presupposed information saved in home signature user server HSS, described pre-
If the type identification of information and the terminal device is in one-to-one mapping relations.
Wherein, obtain connect with the adjacent base station of the source base station dedicated network information the step of include:
The information for the dedicated network connecting with the adjacent base station of the source base station is obtained by X2 interface.
Wherein, the information of the dedicated network is the group mark and Serving GPRS Support Node of mobile management entity MME
One or combination in the group mark of SGSN.
The embodiment of the present invention also provides a kind of device that terminal device is switched to Target cell, comprising:
Obtain module, for obtain the terminal device type identification and with terminal device access source base station it is adjacent
The information of the dedicated network of base station connection;
AM access module, for when the terminal device occur cell switching when, according to the type identification and with adjacent base
Stand connection dedicated network information, the terminal device is switched to and supports corresponding with type identification target-specific net
The Target cell of the characteristic of network.
Wherein, the AM access module includes:
First access submodule, for when cell switching occurs for the terminal device, receiving the terminal device can
The alternative target cells list of access;
Second access submodule, for according to the information of dedicated network being connect with the base station where alternative target cells and
The type identification of the terminal device determines target-specific network corresponding with the type identification of the terminal device, and is institute
State the Target cell that the characteristic of target-specific network is supported in terminal device selection;Wherein, the base station where the Target cell with
The target-specific network connection;
Third accesses submodule, for the terminal device to be switched to the Target cell.
Wherein, the acquisition module includes:
First acquisition submodule establishes the foundation request of initial context for being received as the terminal device, described to build
The type identification of the terminal device is carried in vertical request;
Second acquisition submodule is directed to the foundation request response for establishing request for sending, and the foundation request is rung
Applied to showing to establish whether initial context succeeds.
Wherein, the acquisition module includes:
Third acquisition submodule, for sending wireless capability message inquiry request to the terminal device;
4th acquisition submodule, for receiving the wireless capability message for the terminal device that the terminal device returns,
It include the type identification of the terminal device in the wireless capability message.
Wherein, the acquisition module includes:
5th acquisition submodule, the radio resource control RRC connection request sent for receiving the terminal device;
6th acquisition submodule, for establishing RRC connection for the terminal device, and send RRC connection establishment response to
The terminal device;
7th acquisition submodule establishes completion for receiving the RRC connection that the terminal device returns after RRC successful connection
The type identification completed in information comprising the terminal device is established in information, the RRC connection.
Wherein, obtaining module includes:
8th acquisition submodule, the adjacent base with the source base station issued for receiving operation and maintenance management OAM system
Stand connection dedicated network information.
Wherein, obtaining module includes:
9th acquisition submodule, for obtaining the dedicated network connecting with the adjacent base station of the source base station by X2 interface
Information.
Wherein, the type identification of the terminal device is that the terminal saved in home signature user server HSS is set
Standby type identification;Or
The type identification of the terminal device is the presupposed information saved in home signature user server HSS, described pre-
If the type identification of information and the terminal device is in one-to-one mapping relations.
Wherein, the information of the dedicated network is the group mark and Serving GPRS Support Node of mobile management entity MME
One or combination in the group mark of SGSN.
The embodiment of the present invention also provides a kind of base station, comprising:
Processor;And the memory being connected by bus interface with the processor, the memory is for storing
The processor used program and data when executing operation, are stored when processor is called and executed in the memory
Program and data when, realize following functional module:
Obtain module, for obtain the terminal device type identification and with terminal device access source base station it is adjacent
The information of the dedicated network of base station connection;
AM access module, for when the terminal device occur cell switching when, according to the type identification and with adjacent base
Stand connection dedicated network information, the terminal device is switched to and supports corresponding with type identification target-specific net
The Target cell of the characteristic of network.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
The method, apparatus that terminal device is switched to Target cell of the embodiment of the present invention and base station, the source of terminal device
The type identification for the dedicated network that base station is supported according to terminal device and the private network being connect with the adjacent base station of the source base station
The information of network selects the Target cell of the characteristic of a target-specific network that can support the terminal device for terminal device,
To which controlling terminal equipment accesses Target cell, terminal device is enabled accurately to access dedicated network, so as to avoid cutting
The operation such as redirection after changing is realized simply, and simplifies the interaction flow of terminal device and network, and switching efficiency is improved.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
First embodiment
As shown in figure 3, the first embodiment of the present invention provides a kind of method that terminal device is switched to Target cell, answer
Source base station for terminal device access, comprising:
Step 11, it obtains the type identification of the terminal device and connects with the adjacent base station of the source base station of terminal device access
The information of the dedicated network connect;
Step 12, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
Dedicated network information, the terminal device is switched to the spy for supporting target-specific network corresponding with the type identification
The Target cell of property.
In the first embodiment of the present invention, the type identification of terminal device determines that terminal device wants the target-specific of access
Network, such as the type identification of terminal device show that the terminal device is automatic vending machine, then the terminal device wants access one
It does not need to support ambulant network;The type identification of such as terminal device shows that the terminal device is medical monitoring equipment again,
Then the terminal device wants the network that access one can guarantee the real-time Transmission of data.And the private network of base station connection adjacent thereto
The information of network refers to the information for identifying dedicated network, can be group mark (i.e. MMEGI) kimonos of mobile management entity MME
One or combination in the group mark (i.e. SGSN Group ID) of GPRS Support Node SGSN of being engaged in;The either mark of other new definition
Know, or in order to guarantee its dedicated network information safety, can be identified by way of mapping relations with another information
Dedicated network, to search the information of determining dedicated network;It is above feasible pattern, other identification means are equally applicable
In the application, do not enumerate one by one herein.
Further, the type identification of the terminal device is the end saved in home signature user server HSS
The type identification of end equipment;Or
The type identification of the terminal device is the presupposed information saved in home signature user server HSS, described pre-
If the type identification of information and the terminal device is in one-to-one mapping relations.
It should be noted that the side HSS saves the information of each terminal device respectively, then terminal directly can be obtained from HSS and set
Standby type identification;But in order to protect stored safety, presupposed information can also be saved in the side HSS, which can be with
It can also be preset other identifier for preset fixed value;Such as the type identification of its automatic vending machine is " automatic vending machine ",
And with " automatic vending machine " in one-to-one mapping relations presupposed information be " 11 ", then terminal can also according to " 11 " determine this
The type of terminal device is automatic vending machine.
In the first embodiment of the present invention, when due to mobile cell switching occurs for terminal device, source base station can be should
Terminal device selects a Target cell, so that controlling terminal equipment accesses Target cell, guarantees the efficiency of switching.Specifically, this
Source base station can determine that terminal device wants the target-specific net of access according to the type identification of terminal device in inventive embodiments
Network then searches the target-specific network from the dedicated network connecting with adjacent base station, further determines that and supports the target special
With the adjacent base station of the characteristic of network, the Target cell that can support the characteristic of the target network finally then can determine.
To sum up, the first embodiment of the present invention is in handoff procedure, and source base station is according to the type identification and phase of terminal device
Terminal device, is linked into the Target cell for supporting the characteristic of target-specific network by the information of the dedicated network of adjacent base station connection,
Improve switching efficiency;And simplify the process of terminal device and network.
Specifically, as shown in figure 4, above-mentioned steps 12 include:
Step 121, when cell switching occurs for the terminal device, the alternative mesh that the terminal device has access to is received
Mark cell list;
Step 122, it is set according to the information for the dedicated network being connect with the base station where alternative target cells and the terminal
Standby type identification determines target-specific network corresponding with the type identification of the terminal device, and is the terminal device
The Target cell of the characteristic of target-specific network is supported in selection;Wherein, the base station where the Target cell and the target are special
With network connection;
Step 123, the terminal device is switched to the Target cell.
The change to the communication process of current mechanism is minimized in the embodiment of the present invention, then above-mentioned steps 121
In, according to terminal device described in existing communication mechanism occur cell switching when, receive the terminal device have access to it is standby
Select target cell list.It should be noted that the alternative target cells are in the coverage area of adjacent base station.Then source base station is looked into
The type identification for seeing the terminal device obtained in step 11 determines the information of target-specific network, according further to receiving
Alternative target cells list, whether the base station where checking alternative target cells therein supports above-mentioned target-specific network
Characteristic therefrom selects a Target cell, and the base station where the Target cell can support the characteristic of above-mentioned target-specific network, then
Show that the Target cell can support the characteristic of above-mentioned target-specific network accordingly, then controlling terminal equipment is switched to determining
Target cell, to complete the switching of dedicated network.
Wherein, judge whether base station supports above-mentioned target-specific by the way that whether base station is connected to the network with above-mentioned target-specific
The characteristic of network;Even base station and above-mentioned target-specific are connected to the network, it is determined that support the spy of above-mentioned target-specific network in base station
Property, if base station is not connected to the network with above-mentioned target-specific, it is determined that do not support the characteristic of above-mentioned target-specific network in base station.
To sum up, in the above embodiment of the present invention, on the basis of reducing the change to existing communication mechanism as far as possible, root
According to the information for the dedicated network that the type identification of terminal device is connected with adjacent base station, terminal device is linked into and supports target special
With the Target cell of the characteristic of network, switching efficiency is improved;And simplify the process of terminal device and network.
Second embodiment
As shown in figure 5, the second embodiment of the present invention provides a kind of method that terminal device is switched to Target cell, answer
Source base station for terminal device access, comprising:
Step 21, it is received as the foundation request that the terminal device establishes initial context, is carried in the foundation request
The type identification of the terminal device;
Step 22, it sends and requests response for the foundation for establishing request, the foundation request response is for showing to build
Whether vertical initial context succeeds.
Step 23, the information for the dedicated network connecting with the adjacent base station of the source base station is obtained;
Step 24, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
Dedicated network information, the terminal device is switched to the spy for supporting target-specific network corresponding with the type identification
The Target cell of property.
The second embodiment of the present invention is by S1 interface come the type identification of transmission terminal equipment, i.e., in initial context
In the process to the type identification of source base station transmission terminal equipment.Specifically, as shown in fig. 6, the signalling mistake of initial context
Journey is as follows:
S1, terminal device initiate attachment or tracing section updating process, and network node MME obtains the UE type of terminal device
Mark;Wherein, the type identification of terminal device can be the user type information saved in server HSS, be also possible to reflect
Incoming other types information, is not specifically limited herein.
The terminal device that S2, network node MME are transmitted during establishing initial context for terminal device to base station
Type identification, this type identification can be the type information of terminal device, be also possible to be believed according to the type of terminal device
Breath reflects incoming information.
S3, base station are to network node MME returning response message.
Second embodiment of the present invention source base station obtains the type identification of terminal device, process letter by S1 interface
It is single and smaller to the change of existing signaling.
3rd embodiment
As shown in fig. 7, the third embodiment of the present invention provides a kind of method that terminal device is switched to Target cell, answer
Source base station for terminal device access, comprising:
Step 31, Xiang Suoshu terminal device sends wireless capability message inquiry request;
Step 32, the wireless capability message for the terminal device that the terminal device returns, the wireless capability are received
It include the type identification of the terminal device in information.
Step 33, the information for the dedicated network connecting with the adjacent base station of the source base station is obtained;
Step 34, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
Dedicated network information, the terminal device is switched to the spy for supporting target-specific network corresponding with the type identification
The Target cell of property.
The third embodiment of the present invention is by radio resource control RRC process come the type identification of transmission terminal equipment,
To the type identification of source base station transmission terminal equipment i.e. in wireless capability acquisition process.Specifically, as shown in figure 8, wireless energy
The signalling of power acquisition process is as follows:
S4, base station obtain the wireless capability message of terminal device to terminal device;
When S5, terminal device report wireless capability message to base station at the same include terminal device type identification.The class of UE
Type identifies the type information that can be above-mentioned terminal device, is also possible to configure a certain type information in terminal device.
Base station can find the dedicated network of suitable terminal device according to type identification.
Third embodiment of the present invention source base station obtains the type identification of terminal device in RRC process, and process is simple,
And it is smaller to the change of existing signaling.
Fourth embodiment
As shown in figure 9, the fourth embodiment of the present invention provides a kind of method that terminal device is switched to Target cell, answer
Source base station for terminal device access, comprising:
Step 41, the radio resource control RRC connection request that the terminal device is sent is received;
Step 42, RRC connection is established for the terminal device, and sends RRC connection establishment response to the terminal device;
Step 43, the RRC connection that the terminal device returns after reception RRC successful connection, which is established, completes information, the RRC
The type identification completed in information comprising the terminal device is established in connection.
Step 44, the information for the dedicated network connecting with the adjacent base station of the source base station is obtained;
Step 45, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
Dedicated network information, the terminal device is switched to the spy for supporting target-specific network corresponding with the type identification
The Target cell of property.
The type identification of fourth embodiment of the present invention reporting terminal equipment in radio resource control RRC connection procedure,
As shown in Figure 10, the signalling in RRC connection procedure is as follows:
S6, terminal device send RRC connection request to base station;
S7, base station are that terminal device establishes RRC connection, and returns to RRC connection establishment response to terminal device;
S8, terminal device receive RRC connection establishment response and then show that completion is established in RRC connection, and terminal device is on base station
Report RRC connection establish complete information, and in the information carried terminal equipment type identification.The type identification of UE can be
The type information of above-mentioned terminal device is also possible to configure a certain type information in terminal device.It base station can basis
Type identification finds the dedicated network of suitable terminal device.
Type identification of the fourth embodiment of the present invention source base station in RRC connection procedure transmission terminal equipment, process letter
It is single and smaller to the change of existing signaling.
5th embodiment
As shown in figure 11, the fifth embodiment of the present invention provides a kind of method that terminal device is switched to Target cell,
Source base station applied to terminal device access, comprising:
Step 51, the type identification of the terminal device is obtained;
Step 52, what reception operation and maintenance management OAM system issued connect dedicated with the adjacent base station of the source base station
The information of network.
Step 53, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
Dedicated network information, the terminal device is switched to the spy for supporting target-specific network corresponding with the type identification
The Target cell of property.
The fifth embodiment of the present invention is to obtain the link information of adjacent base station from OAM system during self-configuring;I.e.
When source base station obtains configuration information to OAM system, OAM not only issues adjacent cell cell id information, X2 interface connection to source base station
Etc. information, also issue the information of the dedicated network of base station connection where adjacent cell.
Sixth embodiment
As shown in figure 12, the sixth embodiment of the present invention provides a kind of method that terminal device is switched to Target cell,
Source base station applied to terminal device access, comprising:
Step 61, the type identification of the terminal device is obtained;
Step 62, the information for the dedicated network connecting with the adjacent base station of the source base station is obtained by X2 interface.
Step 63, it when cell switching occurs for the terminal device, is connect according to the type identification and with adjacent base station
Dedicated network information, the terminal device is switched to the spy for supporting target-specific network corresponding with the type identification
The Target cell of property.
The information that the sixth embodiment of the present invention passes through the dedicated network of X2 interface interaction adjacent base station connection.Such as Figure 13 institute
Show, the signalling in X2 interface establishment process is as follows:
S9, base station 1 send X2 interface to base station 2 and establish request, and the letter for the dedicated network that base station 1 connects is carried in the request
Breath;
S10, base station 2 return to X2 interface to base station 1 and establish response, and the dedicated network that base station 2 connects is carried in the response
Information.
In short, the information of the dedicated network of its connection is interacted when base station 1 and the interaction neighboring BS information of base station 2 respectively, this
The information of dedicated network is the mark of the dedicated network of connection, can be MMEGI, is also possible to the other identifier newly defined letter
Breath.
To sum up, the type mark for the dedicated network that the source base station of terminal device is supported according to terminal device in the embodiment of the present invention
The information of knowledge and the dedicated network connecting with the adjacent base station of the source base station, the end can be supported by selecting one for terminal device
The Target cell of the characteristic of the target-specific network of end equipment, so that controlling terminal equipment accesses Target cell, so that terminal is set
It is standby accurately to access dedicated network, it operates, realizes simply, and simplify terminal so as to avoid the redirection etc. after switching
The interaction flow of equipment and network improves switching efficiency.
In order to preferably realize above-mentioned purpose, the embodiment of the present invention, which also provides, a kind of is switched to Target cell for terminal device
Device.
7th embodiment
As shown in figure 14, the device that terminal device is switched to Target cell is included: by this
Module 71 is obtained, the phase for obtaining the type identification of the terminal device and with the source base station of terminal device access
The information of the dedicated network of adjacent base station connection;
AM access module 72, for when the terminal device occur cell switching when, according to the type identification and with it is adjacent
The information of the dedicated network of base station connection, the terminal device is switched to and supports target-specific corresponding with the type identification
The Target cell of the characteristic of network.
Specifically, AM access module 72 described in the above embodiment of the present invention includes:
First access submodule, for when cell switching occurs for the terminal device, receiving the terminal device can
The alternative target cells list of access;
Second access submodule, for according to the information of dedicated network being connect with the base station where alternative target cells and
The type identification of the terminal device determines target-specific network corresponding with the type identification of the terminal device, and is institute
State the Target cell that the characteristic of target-specific network is supported in terminal device selection;Wherein, the base station where the Target cell with
The target-specific network connection;
Third accesses submodule, for the terminal device to be switched to the Target cell.
Specifically, in the above embodiment of the present invention, the acquisition module 71 includes:
First acquisition submodule establishes the foundation request of initial context for being received as the terminal device, described to build
The type identification of the terminal device is carried in vertical request;
Second acquisition submodule is directed to the foundation request response for establishing request for sending, and the foundation request is rung
Applied to showing to establish whether initial context succeeds.
Specifically, in the above embodiment of the present invention, the acquisition module 71 includes:
Third acquisition submodule, for sending wireless capability message inquiry request to the terminal device;
4th acquisition submodule, for receiving the wireless capability message for the terminal device that the terminal device returns,
It include the type identification of the terminal device in the wireless capability message.
Specifically, in the above embodiment of the present invention, the acquisition module 71 includes:
5th acquisition submodule, the radio resource control RRC connection request sent for receiving the terminal device;
6th acquisition submodule, for establishing RRC connection for the terminal device, and send RRC connection establishment response to
The terminal device;
7th acquisition submodule establishes completion for receiving the RRC connection that the terminal device returns after RRC successful connection
The type identification completed in information comprising the terminal device is established in information, the RRC connection.
Specifically, obtaining module 71 includes: in the above embodiment of the present invention
8th acquisition submodule, the adjacent base with the source base station issued for receiving operation and maintenance management OAM system
Stand connection dedicated network information.
Specifically, obtaining module 71 includes: in the above embodiment of the present invention
9th acquisition submodule, for obtaining the dedicated network connecting with the adjacent base station of the source base station by X2 interface
Information.
Specifically, the information of the dedicated network is the group mark of mobile management entity MME in the above embodiment of the present invention
Know and one or combination in the group of Serving GPRS Support Node SGSN mark.
It should be noted that the device that terminal device is switched to Target cell that the above embodiment of the present invention provides is to answer
With the device of the above-mentioned method that terminal device is switched to Target cell, then the above-mentioned side that terminal device is switched to Target cell
All embodiments of method are suitable for the device, and can reach the same or similar beneficial effect.
8th embodiment
The eighth embodiment of the present invention also provides a kind of base station, comprising:
Processor;And the memory being connected by bus interface with the processor, the memory is for storing
The processor used program and data when executing operation, are stored when processor is called and executed in the memory
Program and data when, realize following functional module:
Obtain module, for obtain the terminal device type identification and with terminal device access source base station it is adjacent
The information of the dedicated network of base station connection;
AM access module, for when the terminal device occur cell switching when, according to the type identification and with adjacent base
Stand connection dedicated network information, the terminal device is switched to and supports corresponding with type identification target-specific net
The Target cell of the characteristic of network.
It should be noted that server provided in an embodiment of the present invention is to include that above-mentioned that terminal device is switched to target is small
The server of the device in area, then all embodiments of above-mentioned apparatus are suitable for the server, and can reach same or similar
Beneficial effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.