CN104812017B - Method, system and the mobility management entity of cognitive radio access module - Google Patents
Method, system and the mobility management entity of cognitive radio access module Download PDFInfo
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- CN104812017B CN104812017B CN201410031161.7A CN201410031161A CN104812017B CN 104812017 B CN104812017 B CN 104812017B CN 201410031161 A CN201410031161 A CN 201410031161A CN 104812017 B CN104812017 B CN 104812017B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
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Abstract
The invention discloses method, system and the mobility management entity of a kind of cognitive radio access module, are related to mobile communication field.The present invention is by improving subdistrict position identification information, setting is used to identify the preset field of wireless-access mode in subdistrict position identification information, when being then initially accessed using user or information exchange when cell switches between base station and mobility management entity occurs for user, mobility management entity obtains subdistrict position identification information, and the wireless-access mode of the information Perception user according to indicated by the preset field in subdistrict position identification information, to realize the wireless-access mode that mobile core network perception user is current under mixed networking mode.And it is possible to not influenced using existing message flow cognitive radio access module and variation on network elements such as wireless side base stations.
Description
Technical field
The present invention relates to mobile communication field, in particular to a kind of method, system and the movement of cognitive radio access module
Property management entity.
Background technique
It is well known that being directed to long term evolution (LTE) network, there are two types of wireless-access mode, respectively frequency division duplex (FDD)
With time division duplex (TDD).International Telecommunication Association's tissue respectively both wireless-access mode are assigned with different in the world
Frequency spectrum resource.Due to the scarcity of frequency spectrum resource, more and more operators possess the frequency resource of TDD and FDD simultaneously, simultaneously
Dispose the wireless network of TDD and FDD.In view of consistency of the FDD and TDD access module on indirect layer, operator usually will
Both of which accesses unified core net, and using same network number, such as public land mobile network (PLMN) number, i.e., we are logical
Often described mixed networking mode.
Under the scene of this mixed networking, operator needs counting user and business on different radio access module
Distribution situation, and understand user in time and currently accessed on which kind of wireless mode, to take the strategy of differentiation.This is just needed
Mobile core network can perceive the current wireless-access mode of user, and regrettably, current protocol specification and process do not have
The sensing capability of wireless-access mode.
Summary of the invention
One technical problem to be solved by the embodiment of the invention is that: how mobile core network is felt under mixed networking mode
The problem of knowing user's current wireless-access mode.
According to an aspect of an embodiment of the present invention, propose a kind of system of cognitive radio access module, comprising: base station and
Mobility management entity；When base station is used for when user is initially accessed or cell switching occurs by user, to mobile management reality
Body sends subdistrict position identification information, wherein is provided in subdistrict position identification information for identifying the pre- of wireless-access mode
If field；Mobility management entity is used to obtain the subdistrict position identification information of base station transmission, according to subdistrict position identification information
In preset field indicated by information Perception user wireless-access mode, wherein wireless-access mode includes frequency division duplex
And time division duplex.
In one embodiment of the system of cognitive radio access module, base station is specifically used for ringing when user is initially accessed
Session establishment request message should be sent to mobility management entity in the Attach Request message of user；Mobility management entity tool
Body is used to receive the session establishment request message of base station transmission；Wherein, Attach Request message and session establishment request message carry
Subdistrict position identification information.
In one embodiment of the system of cognitive radio access module, base station is specifically used for that cell switching occurs in user
When in response to user service handover request, to mobility management entity send carrying change request message；Mobile management is real
Body is specifically used for receiving the carrying change request message that base station is sent；Wherein, service handover request and carrying change request message
Carry subdistrict position identification information.
In one embodiment of the system of cognitive radio access module, the system further include: gateway and packet count
According to net gateway；Mobility management entity is also used to send S11 interface message to gateway, and S11 interface message includes being used to mark
Know the extension cell of wireless-access mode；For sending S5 interface message to packet data network gateway, S5 interface disappears gateway
Breath includes the extension cell for identifying wireless-access mode；Packet data network gateway is used for the extension cell from S5 interface message
Obtain user wireless-access mode, and by the wireless-access mode of user be sent to strategy with charging regulation function entity or
Access network discovery and selection functional entity.
In one embodiment of the system of cognitive radio access module, the system further include: strategy and charging regulation function
It can entity or access network discovery and selection functional entity；Strategy is with charging regulation function entity for receiving Packet Data Network
The wireless-access mode for the user that gateway is sent, issues corresponding service quality control strategy according to the wireless-access mode of user
Or charging policy；Alternatively, access network discovery and selection functional entity are used to receive the user of packet data network gateway transmission
Wireless-access mode, corresponding network selection strategy is issued according to the wireless-access mode of user.
Another aspect according to an embodiment of the present invention, a kind of method for proposing cognitive radio access module, comprising: mobile
Property management entity obtain base station send subdistrict position identification information, wherein be provided in subdistrict position identification information for marking
Know the preset field of wireless-access mode；Mobility management entity is according to indicated by the preset field in subdistrict position identification information
Information Perception user wireless-access mode, wherein wireless-access mode includes frequency division duplex and time division duplex.
In one embodiment of the method for cognitive radio access module, mobility management entity obtains the small of base station transmission
Zone position identification information includes: the subdistrict position mark letter that mobility management entity obtains base station transmission by S1 interface message
Breath.
In one embodiment of the method for cognitive radio access module, mobility management entity is obtained by S1 interface message
The subdistrict position identification information for taking base station to send includes: that mobility management entity receives base station in response hair when user is initially accessed
The session establishment request message sent, the session establishment request message carry subdistrict position identification information；Alternatively, mobile management is real
Body receives base station in response and changes request message in the carrying that user occurs to send when cell switching, and carrying change request message is taken
Band subdistrict position identification information.
In one embodiment of the method for cognitive radio access module, this method further include: mobility management entity hair
Send S11 interface message to gateway, S11 interface message includes the extension cell for identifying wireless-access mode；Service network
It closes and sends S5 interface message to packet data network gateway, S5 interface message includes believing for identifying the extension of wireless-access mode
Member；Packet data network gateway obtains the wireless-access mode of user from the extension cell of S5 interface message, and by the wireless of user
Access module is sent to strategy and charging regulation function entity or access network discovery and selection functional entity.
In one embodiment of the method for cognitive radio access module, this method further include: strategy and charging regulation function
Energy entity issues corresponding service quality control strategy or charging policy according to the wireless-access mode of user；Alternatively, access
Network discovery and selection functional entity issue corresponding network selection strategy according to the wireless-access mode of user.
Another aspect according to an embodiment of the present invention proposes that a kind of mobile management of cognitive radio access module is real
Body, comprising: mark acquiring unit, for obtaining the subdistrict position identification information of base station transmission, wherein subdistrict position identification information
In be provided with preset field for identifying wireless-access mode；Mode page unit, for according to subdistrict position identification information
In preset field indicated by information Perception user wireless-access mode, wherein wireless-access mode includes frequency division duplex
And time division duplex.
In one embodiment of the mobility management entity of cognitive radio access module, mark acquiring unit is specifically used for
The subdistrict position identification information that base station is sent is obtained by S1 interface message.
In one embodiment of the mobility management entity of cognitive radio access module, mark acquiring unit is specifically used
In: the session establishment request message sent when receiving base station in response in user's initial access, the session establishment request message carry
Subdistrict position identification information；Request message is changed in the carrying that user occurs to send when cell switching alternatively, receiving base station in response,
The carrying changes request message and carries subdistrict position identification information.
The present invention at least has the advantages that
On the one hand, by improving subdistrict position identification information, setting is used to identify wireless in subdistrict position identification information
The preset field of access module, when being then initially accessed using user or base station and mobility pipe when cell switches occur for user
The information exchange between entity is managed, mobility management entity obtains subdistrict position identification information, and identifies and believe according to subdistrict position
The wireless-access mode of information Perception user indicated by preset field in breath, is moved under mixed networking mode to realize
Core net perceives the current wireless-access mode of user.And it is possible to utilize existing message flow cognitive radio access module
And variation, the network elements such as wireless side base station are not influenced.
In another aspect, by the cell of expansion interface message, the wireless-access mode of user can be sent to strategy with
Charging regulation function entity or access network discovery and selection functional entity, so as to the wireless-access mode different according to user
Issue the control strategy of differentiation.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of system one embodiment of cognitive radio access module of the present invention.
Fig. 2 is the structural schematic diagram of another embodiment of the system of cognitive radio access module of the present invention.
Fig. 3 is the structural schematic diagram of mobility management entity one embodiment of cognitive radio access module of the present invention.
Fig. 4 is the flow diagram of method one embodiment of cognitive radio access module of the present invention.
Fig. 5 is the flow diagram that mobility management entity of the present invention reports wireless-access mode one embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
In order to solve the problems, such as how mobile core network perceives the current wireless-access mode of user under mixed networking mode,
The aware scheme of proposition wireless-access mode of the embodiment of the present invention.The perception side of wireless-access mode of the present invention is specifically described below
Case.
According to the normal process of 3GPP, inventor's discovery: when user initiates to be initially accessed or user occurs cell and cuts
When changing, there is process to interact between base station and mobility management entity (MME), in interaction flow include user be currently located it is small
Zone position information, i.e. MME always being capable of the subdistrict positions that are currently located of real-time perception user.Inventor is it is also found that: subdistrict position
Relevant identification information is by operator come unified planning.Based on aforementioned discovery, inventor is proposed: in planning subdistrict position mark
, it is specified that it (is FDD cell, still that certain field therein, which is used to identify the wireless-access mode of the cell, when knowing information
TDD cell), such MME is when receiving subdistrict position identification information, so that it may by indicated by specific fields therein
Information learns the corresponding wireless-access mode of cell in time, and wireless-access mode further can also be passed to other nets
Member, so that other network elements make corresponding control strategy according to the current wireless-access mode of user.
Fig. 1 is the structural schematic diagram of system one embodiment of cognitive radio access module of the present invention.As shown in Figure 1, this
The system of the cognitive radio access module of embodiment includes: base station 101 and mobility management entity 102.Base station is under LTE network
Such as can be eNB(evolved Node B, evolved base station).
When base station 101 is used for when user is initially accessed or cell switching occurs by user, to mobility management entity 102
Send subdistrict position identification information, wherein be provided in subdistrict position identification information for identifying the default of wireless-access mode
Field.Mobility management entity is used to obtain the subdistrict position identification information of base station transmission, according in subdistrict position identification information
Preset field indicated by information Perception user wireless-access mode, wherein wireless-access mode include frequency division duplex and
Time division duplex.
In one embodiment of the system of cognitive radio access module, base station 101 is specifically used for being initially accessed in user
When or user occur cell switching when, by S1 interface message to mobility management entity 102 send subdistrict position mark letter
Breath.When user is initially accessed or when cell switching occurs for user, base station can send different S1 to mobility management entity
Interface message carries subdistrict position identification information in S1 interface message.S1 interface is also referred to as S1-MME interface, correspondingly, S1
Interface message is also referred to as S1-MME interface message.
When being initially accessed below for user or two kinds of scenes when cell switches occur for user, and explanation wirelessly connects respectively
Enter the aware scheme of mode.
In one embodiment of the system of cognitive radio access module, when user is initially accessed, such as user Xiang Ji
When transmission Attach Request message (attach message) of standing, base station 101 is specifically used for the Attach Request message in response to user, Xiang Yi
Mobility management entity 102 sends session establishment request message (create session request message)；Mobile management is real
Body 102 is specifically used for receiving the session establishment request message that base station 101 is sent, the cell carried according to session establishment request message
The wireless-access mode of information Perception user indicated by preset field in station location marker information；Wherein, Attach Request message
Subdistrict position identification information is carried with session establishment request message.
In one embodiment of the system of cognitive radio access module, user occur cell switching when, as user to
Base station sends service handover request (service handover message), and base station 101 is specifically used for cutting in response to the service of user
Message is changed, sends carrying change request message (modify bear request message) to mobility management entity 102；It is mobile
Property management entity 102 be specifically used for receive base station send carrying change request message；Wherein, service handover request and carrying become
More request message carries subdistrict position identification information.
The embodiment of property as an example, subdistrict position identification information for example can be ECGI(E-UTRAN Cell
Global Identifier, the cell global identity under the universal land radio access web of evolution), cell global identity
It can be used to identify the cell in the area of a position.Cell global identity includes MCC(Mobile Country Code MCC), MNC(mobile network
Number), LAC(Location Area Identity code) and CI(cell ID).MCC can uniquely identify country belonging to mobile subscriber, for example,
The MCC of China is 460.MNC can identify the mobile radio communication (PLMN) that mobile subscriber is belonged to, for example, the MNC of China Mobile
It is 00, the MNC of China Unicom is 01.LAC can identify the position area in network, can be customized by operation department.CI
It is cell ID, it can also be customized by operation department.The embodiment of property as an example can allow operational department
Setting is used to identify the field of wireless-access mode in the customized cell ID (CI) of door, for example, can be by cell identification
First of code (CI) is used to identify wireless-access mode, for example, 1 indicates FDD, 0 indicates TDD.
After the wireless-access mode of mobility management entity perception user, mobility management entity can also be by user's
Wireless-access mode is reported to related network elements.Below to be reported to strategy and charging regulation function entity (PCRF) or access net
For the network elements such as network discovery and selection functional entity (ANDSF), process is reported to be illustrated wireless-access mode.
Fig. 2 is the structural schematic diagram of another embodiment of the system of cognitive radio access module of the present invention.
In one embodiment of the system of cognitive radio access module, as shown in Fig. 2, the system further include: service network
Close 203 and packet data network gateway (PGW) 204.Gateway is responsible for transmission, forwarding and route handoff of user data etc.,
Under different networks, gateway for example can be SGW(gateway) or SGSN(Serving GPRS Support Node) etc..As
A kind of illustrative wireless-access mode reporting schemes, mobility management entity 102 are also used to send S11 interface message to service
Gateway 203, S11 interface message include the extension cell for identifying wireless-access mode；Gateway 203 connects for sending S5
For mouth message to packet data network gateway 204, S5 interface message includes the extension cell for identifying wireless-access mode；Packet count
It is used to obtain the wireless-access mode of user, and wirelessly connecing user from the extension cell of S5 interface message according to net gateway 204
Enter mode and is sent to strategy and charging regulation function entity (PCRF) 205 or access network discovery and selection functional entity
(ANDSF) 206.
The reporting schemes of above-mentioned wireless-access mode, using existing interface message, by the cell of expansion interface message,
The wireless-access mode of user can be sent to related network elements, so as to the related network elements wireless-access mode different according to user
Issue the control strategy of differentiation.
In one embodiment of the system of cognitive radio access module, as shown in Fig. 2, the system further include: strategy with
Charging regulation function entity 205 or access network discovery and selection functional entity 206.It is tactful to be with charging regulation function entity
The strategy and charging control policy decision point of business data flow and IP bearing resource.Access network discovery and selection functional entity are
User equipment is provided with the access information that connection connects.Strategy is with charging regulation function entity 205 for receiving Packet Data Network's net
The wireless-access mode for closing the user sent issues corresponding service quality (QoS) control according to the wireless-access mode of user
Strategy or charging policy；Alternatively, access network discovery and selection functional entity 206 are for receiving packet data network gateway transmission
User wireless-access mode, corresponding network selection strategy is issued according to the wireless-access mode of user.
The control strategy of differentiation is illustrated below.For example, it is directed to charging policy, the rate under tdd mode
For A, the rate under fdd mode is that B, A and B are different rate values；For service quality control strategy, under tdd mode most
Big bandwidth is limited to A, and it is different bandwidth that the maximum bandwidth under fdd mode, which is limited to B, A and B,；For network selection strategy, if
TDD network load is big, and new access user moves to the FDD cell closed on, if FDD network load is big, new access user migration
To the TDD cell closed on.
Different charging policy can be handed down to strategy and charge execution function reality from charging regulation function entity by strategy
Body (PCEF) executes differentiation for different wireless-access mode according to charging policy from charging execution function entity by strategy
Billing statistics, and the billing statistics of differentiation can also be embodied in the ticket of user.
Fig. 3 is the structural schematic diagram of mobility management entity one embodiment of cognitive radio access module of the present invention.Such as
Shown in Fig. 3, the mobility management entity 102 of the present embodiment includes:
Mark acquiring unit 301, for obtaining the subdistrict position identification information of base station transmission, wherein subdistrict position mark
The preset field for identifying wireless-access mode is provided in information；
Mode page unit 302, for the information Perception according to indicated by the preset field in subdistrict position identification information
The wireless-access mode of user, wherein wireless-access mode includes frequency division duplex and time division duplex.
In one embodiment of the mobility management entity of cognitive radio access module, mark acquiring unit 301 is specific
For obtaining the subdistrict position identification information that base station is sent by S1 interface message.
In one embodiment of the mobility management entity of cognitive radio access module, mark acquiring unit 301 is specific
For: the session establishment request message that reception base station in response is sent when user is initially accessed, the session establishment request message are taken
Band subdistrict position identification information；Disappear alternatively, receiving base station in response in the carrying change request that user occurs to send when cell switching
Breath, the carrying change request message and carry subdistrict position identification information.
Fig. 4 is the flow diagram of method one embodiment of cognitive radio access module of the present invention.As shown in figure 4, this
The cognitive method of embodiment the following steps are included:
Step S401, mobility management entity obtain the subdistrict position identification information that base station is sent, subdistrict position mark letter
The preset field for identifying wireless-access mode is provided in breath；
Step S402, mobility management entity information sense according to indicated by the preset field in subdistrict position identification information
Know that the wireless-access mode of user, wireless-access mode include frequency division duplex and time division duplex.
In one embodiment of the method for cognitive radio access module, mobility management entity obtains the small of base station transmission
Zone position identification information includes: the subdistrict position mark letter that mobility management entity obtains base station transmission by S1 interface message
Breath.
In one embodiment of the method for cognitive radio access module, mobility management entity is obtained by S1 interface message
The subdistrict position identification information for taking base station to send includes: that mobility management entity receives base station in response hair when user is initially accessed
The session establishment request message sent, the session establishment request message carry subdistrict position identification information；Alternatively, mobile management is real
Body receives base station in response and changes request message in the carrying that user occurs to send when cell switching, and carrying change request message is taken
Band subdistrict position identification information.
In one embodiment of the method for cognitive radio access module, this method further include: on mobility management entity
The process for reporting wireless-access mode, as shown in figure 5, specifically including:
Step S501, mobility management entity send S11 interface message to gateway, and S11 interface message includes being used to
Identify the extension cell of wireless-access mode；
Step S502, gateway send S5 interface message to packet data network gateway, and S5 interface message includes being used to mark
Know the extension cell of wireless-access mode；
Step S503, packet data network gateway obtain the wireless-access mode of user from the extension cell of S5 interface message,
And the wireless-access mode of user is sent to strategy and charging regulation function entity or access network discovery and selection function
Entity.
In one embodiment of the method for cognitive radio access module, this method further include: strategy and charging regulation function
Energy entity or access network discovery carry out the plan of differentiation with selection functional entity according to the different wireless-access mode of user
Slightly control.It specifically includes:
Strategy issues corresponding service quality according to the wireless-access mode of user with charging regulation function entity and controls plan
Summary or charging policy；Alternatively, access network discovery and selection functional entity issue accordingly according to the wireless-access mode of user
Network selection strategy.
The control strategy of differentiation is illustrated below.For example, it is directed to charging policy, the rate under tdd mode
For A, the rate under fdd mode is that B, A and B are different rate values；For service quality control strategy, under tdd mode most
Big bandwidth is limited to A, and it is different bandwidth that the maximum bandwidth under fdd mode, which is limited to B, A and B,；For network selection strategy, if
TDD network load is big, and new access user moves to the FDD cell closed on, if FDD network load is big, new access user migration
To the TDD cell closed on.
The embodiment of the present invention at least has the advantages that
On the one hand, by improving subdistrict position identification information, setting is used to identify wireless in subdistrict position identification information
The preset field of access module, when being then initially accessed using user or base station and mobility pipe when cell switches occur for user
The information exchange between entity is managed, mobility management entity obtains subdistrict position identification information, and identifies and believe according to subdistrict position
The wireless-access mode of information Perception user indicated by preset field in breath, is moved under mixed networking mode to realize
Core net perceives the current wireless-access mode of user.And it is possible to utilize existing message flow cognitive radio access module
And variation, the network elements such as wireless side base station are not influenced.
Disappear in another aspect, mobility management entity, gateway, packet data network gateway can use existing interface
It is real with charging rule functions can be sent to strategy by the cell of expansion interface message by breath for the wireless-access mode of user
Body or access network discovery and selection functional entity, to issue the control of differentiation according to the different wireless-access mode of user
System strategy.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of system of cognitive radio access module, comprising: base station, mobility management entity, gateway and packet data
Net gateway；
When base station is used for when user is initially accessed or cell switching occurs by user, small position is sent to mobility management entity
Set identification information, wherein the preset field for identifying wireless-access mode is provided in subdistrict position identification information；
Mobility management entity is used to obtain the subdistrict position identification information of base station transmission, according in subdistrict position identification information
The wireless-access mode of information Perception user indicated by preset field, wherein wireless-access mode include frequency division duplex and when
Divide duplex；
Mobility management entity is also used to send S11 interface message to gateway, and S11 interface message includes being used to identify wirelessly
The extension cell of access module；
For gateway for sending S5 interface message to packet data network gateway, S5 interface message includes being used to identify wireless access
The extension cell of mode；
Packet data network gateway is used to obtain the wireless-access mode of user from the extension cell of S5 interface message, and by user's
Wireless-access mode is sent to strategy and charging regulation function entity or access network discovery and selection functional entity.
2. system according to claim 1, which is characterized in that
Base station is specifically used for the Attach Request message when user is initially accessed in response to user, sends to mobility management entity
Session establishment request message；
Mobility management entity is specifically used for receiving the session establishment request message that base station is sent；
Wherein, Attach Request message and session establishment request message carry subdistrict position identification information.
3. system according to claim 1, which is characterized in that
Base station is specifically used for the service handover request when cell switching occurs for user in response to user, to mobility management entity
Send carrying change request message；
Mobility management entity is specifically used for receiving the carrying change request message that base station is sent；
Wherein, service handover request and carrying change request message carry subdistrict position identification information.
4. system according to claim 1, which is characterized in that the system further include: strategy and charging regulation function entity
Or access network discovery and selection functional entity；
Strategy is used to receive the wireless-access mode of the user of packet data network gateway transmission with charging regulation function entity, according to
The wireless-access mode of user issues corresponding service quality control strategy or charging policy；Alternatively,
Access network discovery and selection functional entity are used to receive the wireless-access mode of the user of packet data network gateway transmission,
Corresponding network selection strategy is issued according to the wireless-access mode of user.
5. a kind of method of cognitive radio access module, comprising:
Mobility management entity obtains the subdistrict position identification information that base station is sent, wherein is arranged in subdistrict position identification information
There is the preset field for identifying wireless-access mode；
Mobility management entity information Perception user's according to indicated by the preset field in subdistrict position identification information is wireless
Access module, wherein wireless-access mode includes frequency division duplex and time division duplex；
Mobility management entity sends S11 interface message to gateway, and S11 interface message includes being used to identify wireless access mould
The extension cell of formula；
Gateway sends S5 interface message to packet data network gateway, and S5 interface message includes being used to identify wireless-access mode
Extension cell；
Packet data network gateway obtains the wireless-access mode of user from the extension cell of S5 interface message, and by the wireless of user
Access module is sent to strategy and charging regulation function entity or access network discovery and selection functional entity.
6. according to the method described in claim 5, it is characterized in that, mobility management entity obtains the subdistrict position that base station is sent
Identification information includes:
Mobility management entity obtains the subdistrict position identification information that base station is sent by S1 interface message.
7. according to the method described in claim 6, it is characterized in that, mobility management entity obtains base station by S1 interface message
The subdistrict position identification information of transmission includes:
Mobility management entity receives the session establishment request message that base station in response is sent when user is initially accessed, which builds
Vertical request message carries subdistrict position identification information；Alternatively,
Mobility management entity receives base station in response and changes request message in the carrying that user occurs to send when cell switching, this holds
It carries change request message and carries subdistrict position identification information.
8. according to the method described in claim 5, it is characterized by further comprising:
Strategy with charging regulation function entity according to the wireless-access mode of user issue corresponding service quality control strategy or
Person's charging policy；Alternatively,
Access network discovery and selection functional entity issue corresponding network selection strategy according to the wireless-access mode of user.
9. a kind of mobility management entity of cognitive radio access module, comprising:
Mark acquiring unit, for obtaining the subdistrict position identification information of base station transmission, wherein set in subdistrict position identification information
It is equipped with the preset field for identifying wireless-access mode；
Mode page unit, the nothing for the information Perception user according to indicated by the preset field in subdistrict position identification information
Line access module, wherein wireless-access mode includes frequency division duplex and time division duplex；
Transmission unit, for sending S11 interface message to gateway, S11 interface message includes being used to identify wireless access mould
The extension cell of formula, so that gateway sends S5 interface message to packet data network gateway, S5 interface message includes being used to mark
The extension cell of wireless-access mode is known, so that packet data network gateway obtains the nothing of user from the extension cell of S5 interface message
Line access module, and the wireless-access mode of user is sent to strategy and charging regulation function entity or access network discovery
And selection functional entity.
10. mobility management entity according to claim 9, which is characterized in that the mark acquiring unit is specific to use
In: the subdistrict position identification information that base station is sent is obtained by S1 interface message.
11. mobility management entity according to claim 10, which is characterized in that the mark acquiring unit is specific to use
In:
The session establishment request message that base station in response is sent when user is initially accessed is received, which carries
Subdistrict position identification information；Alternatively,
It receives base station in response and changes request message in the carrying that user occurs to send when cell switching, which changes request message
Carry subdistrict position identification information.
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| WO2013089420A1 (en) * | 2011-12-12 | 2013-06-20 | Samsung Electronics Co., Ltd. | Method and apparatus for reporting dual mode capabilities in a long term evolution network |
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