CN109547507A - A kind of cut-in method of narrowband Internet of Things, device and network element entity - Google Patents
A kind of cut-in method of narrowband Internet of Things, device and network element entity Download PDFInfo
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- CN109547507A CN109547507A CN201710858871.0A CN201710858871A CN109547507A CN 109547507 A CN109547507 A CN 109547507A CN 201710858871 A CN201710858871 A CN 201710858871A CN 109547507 A CN109547507 A CN 109547507A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Computer Networks & Wireless Communication (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention provides a kind of cut-in method of narrowband Internet of Things, device and network element entities.Its method includes: that the conversation establishing request of control plane is sent to gateway SGW；SGW is received to be responded according to the conversation establishing that conversation establishing request is sent；It is responded according to conversation establishing, the control plane transmission link between creation and user equipment.In the present invention S1-U interface of SGW and S11-U interface can separate configuration, the address distribution of such S1-U interface address and S11-U interface IP address can be more flexible, and two interfaces can configure different addresses.In addition, MME can get S1-U interface address and S11-U interface IP address simultaneously in UE attaching process, when subsequent UE carries out conversion of the control plane to user face, current flow path switch, which can be used, be can be realized.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of cut-in method of narrowband Internet of Things, device and network element are real
Body.
Background technique
It is Internet of Things based on cellular narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT)
The emerging technology in one, the field (Internet of Things, IoT) supports low power consuming devices to connect in the cellular data of wide area network
It connects, also referred to as low-power consumption wide area network (Low Power Wide Area, LPWA).NB-IoT support stand-by time it is short, to network
The efficient connection of connection request higher device.Furthermore NB-IoT is implemented in cellular network, only consumes the frequency range of about 180KHz, can
It is deployed directly into global mobile communication (the Global System for Mobile of Generation Mobile Telecommunication System
Communication, GSM) system, 3G (Third Generation) Moblie universal mobile communications (Universal Mobile
Telecommunications System, UMTS) system or forth generation mobile communication Long-Term Evolution (Long Term
Evolution, LTE) system, it realizes smooth upgrade and reduces lower deployment cost.
In NB-IoT, in order to support the protenchyma on-line customer using control plane transmission data thering is big bag data to transmit
Shi Caiyong user face transmission plan, to save signaling, reduces packet loss and random ordering to reduce the conversion of data transmission stream journey,
Protenchyma on-line customer is proposed in 3GPP standard and transmits the scheme converted to user plane data transfer from control face data, simultaneously
The S1-U interface of the S11-U interface and user face that define the control plane of gateway (Serving GateWay, SGW) uses
The same full dose Tunnel End Point Identifier (Full Qualified Tunnel Endpoint Identifier, F-TEID).
In NB-IoT, as shown in Figure 1, when the user equipment (User Equipment, UE) in connected state is by controlling
When face switches to user face sending and receiving data, UE, which sends to carry to base station, activates mark (active flag) user face service to ask
(user plane Service request) is asked, the user face service request received is forwarded to mobile management entity by base station
(Mobility Management Entity, MME), so that the process of S1-U interface communication is established in MME triggering.Wherein, MME exists
It is local to delete context relevant to control plane S11-U interface bearing, and release access bearer (Release is sent to SGW
Access bearers) message.SGW deletes interface related with the S11-U of MME according to the release access bearer message received
Information, and (Release access bearers response) is responded to one release access bearer of MME feedback.MME is received
The initial session foundation for carrying the S1-U interface of the F-TEID of S1-U interface of SGW is sent after access bearer response to base station
It requests (S1-AP Initial Context Setup Request).Base station receives the user that wireless side is established after the request
Face carrying, at this moment user face up direction is available.In addition, base station is upon receiving the request also by the S1-U interface address of itself
It is reported to MME with TEID, meets the S1-U of base station so that MME carries request (Modify Bearer Request) by conversion
Port address and TEID are sent to SGW, and SGW feeds back corresponding conversion carrying response after receiving conversion carrying request
(Modify Bearer Response), at this moment user face down direction is available.
What existing standard defined is switched to by control plane in the switching flow in user face, phase of the MME in release S11-U interface
When closing resource, the F-TEID of the S1-U interface of SGW is not reacquired, the F-TEID conduct of the S11-U interface of SGW can only be continued to use
The F-TEID of S1-U interface, therefore, to guarantee that switching flow normally switches, the F-TEID of S11-U interface and the F- of S1-U interface
TEID must be consistent, causes address distribution and bearer network selection limitation larger in this way, can not flexibly formulate address distribution side
Case, and different loading network can not be selected for two interfaces.
Summary of the invention
The present invention provides the cut-in method, device and network element entity of a kind of narrowband Internet of Things, to solve because of S11-U interface
F-TEID and the F-TEID of S1-U interface must it is consistent caused by address distribution and the big problem of bearer network selection limitation.
The one aspect of the embodiment of the present invention provides a kind of cut-in method of narrowband Internet of Things, and it is real to be applied to mobile management
Body MME, method include:
The conversation establishing request of control plane is sent to gateway SGW；
SGW is received to be responded according to the conversation establishing that conversation establishing request is sent；Wherein, it is carried in conversation establishing response
S1-U interface address and S11-U interface IP address, S1-U interface address and S11-U interface IP address are separate configurations；
It is responded according to conversation establishing, the control plane transmission link between creation and user equipment.
Wherein, the step of being requested to the conversation establishing that gateway SGW sends control plane, comprising:
Receive the attach request for the user equipment that access net is sent；
According to attach request, the conversation establishing request of control plane is sent to gateway SGW.
Wherein, the step of being requested to the conversation establishing that gateway SGW sends control plane, comprising:
By bearer context information element, the conversation establishing for carrying the S11-U interface IP address of control plane is sent to SGW
Request.
Wherein, the step of being responded according to conversation establishing, creating the control plane transmission link between user equipment, comprising:
It is responded according to conversation establishing, is netted to access and send initial context foundation request；
Access net is received to be connected according to the radio resource control RRC that initial context is established between request foundation and user equipment
The initial context sent after connecing establishes response；
It is established and is responded according to initial context, the control plane transmission link between creation and user equipment.
Wherein, after the step of being responded according to conversation establishing, creating the control plane transmission link between user equipment, also
Include:
Conversion carrying request is sent to SGW；
It receives SGW and response is carried according to the conversion that conversion carries request transmission；Wherein, conversion carrying response carries S1-U
Interface IP address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The other side of the embodiment of the present invention additionally provides a kind of access device of narrowband Internet of Things, is applied to moving tube
Entity MME is managed, device includes:
First sending module, for sending the conversation establishing request of control plane to gateway SGW；
First receiving module is responded for receiving SGW according to the conversation establishing that conversation establishing request is sent；Wherein, session
S1-U interface address and S11-U interface IP address are carried in creation response, S1-U interface address and S11-U interface IP address are independent
Configuration；
Creation module, the control plane transmission link for being responded according to conversation establishing, between creation and user equipment.
Wherein, the first sending module includes:
First receiving unit, for receiving the attach request for the user equipment that access net is sent；
First transmission unit, for sending the conversation establishing request of control plane to gateway SGW according to attach request.
Wherein, the first sending module includes:
Second transmission unit, for sending the S11-U for carrying control plane to SGW by bearer context information element
The conversation establishing of interface IP address is requested.
Wherein, creation module includes:
Third transmission unit is netted to access for being responded according to conversation establishing and sends initial context foundation request；
Second receiving unit is established between request foundation and user equipment for receiving access net according to initial context
The initial context sent after radio resource control RRC connection establishes response；
Creating unit is responded for being established according to initial context, the control plane chain between creation and user equipment
Road.
Wherein, the access device of narrowband Internet of Things further include:
Second sending module, for sending conversion carrying request to SGW；
Second receiving module carries the conversion carrying response that request is sent according to conversion for receiving SGW；Wherein, it converts
Carrying response carries S1-U interface address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The other side of the embodiment of the present invention additionally provides a kind of cut-in method of narrowband Internet of Things, is applied to service network
SGW is closed, method includes:
Receive the conversation establishing request for the control plane that mobile management entity MME is sent；
It is requested according to conversation establishing, sends conversation establishing response to MME；Wherein, S1-U is carried in conversation establishing response
Interface IP address and S11-U interface IP address, S1-U interface address and S11-U interface IP address are separate configurations.
Wherein, the step of receiving the conversation establishing request for the control plane that mobile management entity MME is sent, comprising:
By bearer context information element, S11-U that mobile management entity MME is sent, carrying control plane is received
The conversation establishing of interface IP address is requested.
Wherein, it is requested according to conversation establishing, after sending the step of conversation establishing responds to MME, further includes:
It receives the conversion that MME is sent and carries request；
According to conversion carrying request, conversion carrying response is sent to MME；Wherein, conversion carrying response carries S1-U and connects
Port address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The other side of the embodiment of the present invention additionally provides a kind of access device of narrowband Internet of Things, is applied to service network
SGW is closed, device includes:
Third receiving module, the conversation establishing request of the control plane for receiving mobile management entity MME transmission；
Third sending module sends conversation establishing response to MME for requesting according to conversation establishing；Wherein, conversation establishing
S1-U interface address and S11-U interface IP address are carried in response, S1-U interface address and S11-U interface IP address are separate configurations
's.
Wherein, third receiving module includes:
Third receiving unit, for by bearer context information element, receive it is that mobile management entity MME is sent, take
The conversation establishing of S11-U interface IP address with control plane is requested.
Wherein, the access device of narrowband Internet of Things further include:
4th receiving module, for receiving the conversion carrying request of MME transmission；
4th sending module, for sending conversion carrying response to MME according to conversion carrying request；Wherein, conversion carrying
Response carries S1-U interface address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The other side of the embodiment of the present invention additionally provides a kind of network element entity, including memory, processor and storage
On a memory and the computer program that can run on a processor；Processor realizes above-mentioned business processing side when executing program
Method.
The other side of the embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored thereon with calculating
The step of machine program, which realizes above-mentioned method for processing business when being executed by processor.
The beneficial effect of above-mentioned technical proposal of the invention is: the MME of the embodiment of the present invention is carried out in UE by control plane
In the attaching process of business transmission, conversation establishing request is initiated to SGW, SGW requests to feed back for a moment to MME according to the conversation establishing
Words creation responds, and carries S1-U interface address and S11-U interface IP address in conversation establishing response.Wherein, the S1-U of SGW connects
Mouthful and S11-U interface can separate configuration, the address distribution of such S1-U interface address and S11-U interface IP address can be more flexible,
And two interfaces can configure different addresses.In addition, MME can be got simultaneously in UE attaching process S1-U interface address and
S11-U interface IP address, when subsequent UE carries out conversion of the control plane to user face, current flow path switch can be used can be real
It is existing.
Detailed description of the invention
Fig. 1 shows user equipmenies to be switched to the signaling process schematic diagram in user face by control plane；
Fig. 2 indicates the side the MME flow diagram of the cut-in method of narrowband Internet of Things in the embodiment of the present invention；
Fig. 3 indicates the signaling process schematic diagram of user equipment access in the embodiment of the present invention；
Fig. 4 indicates the side the MME module diagram of the access device of the narrowband Internet of Things of the embodiment of the present invention；
Fig. 5 indicates the side the SGW flow diagram of the cut-in method of narrowband Internet of Things in the embodiment of the present invention；
Fig. 6 indicates the side the SGW module diagram of the access device of the narrowband Internet of Things of the embodiment of the present invention；
The network element entity block diagram of Fig. 7 expression embodiment of the present invention.
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.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
In the embodiment of the present invention, the form for accessing net is unlimited, can be including macro base station (Macro Base Station),
Micro-base station (Pico Base Station), Node B (address of the mobile base station 3G), enhanced base station (eNB), family are enhanced
Base station (Femto eNB or Home eNode B or Home eNB or HeNB), relay station, access point, RRU (Remote Radio
Unit, far-end RF module), the access net of RRH (Remote Radio Head, remote radio head) etc..User equipment can be
Mobile phone (or mobile phone) or other equipment that can send or receive wireless signal, including user equipment, individual digital help
Manage (PDA), radio modem, wireless communication device, hand-held device, laptop computer, wireless phone, wirelessly local time
Road (WLL) stands, movable signal can be converted to the CPE of WiFi signal, and (Customer Premise Equipment, client are whole
End) or intelligent movable hot spot, intelligent appliance or other obstructed remarkable operation energy it is spontaneous be communicated with mobile communications network set
It is standby etc..
As shown in Fig. 2, being applied to mobile management the embodiment provides a kind of cut-in method of narrowband Internet of Things
Entity MME, specifically includes the following steps:
Step 21: the conversation establishing request of control plane is sent to gateway SGW.
Wherein, control plane mentioned here especially refers in UE attaching process to session request to create, and MME is sent out to SGW
The conversation establishing request of the control plane risen.Further, the conversation establishing request of control plane refers in conversation establishing request
Control plane mark is carried, such as S11-U interface IP address.
Step 22: receiving SGW and responded according to the conversation establishing that conversation establishing request is sent.
SGW responds the request after the conversation establishing request for receiving MME transmission, and feeds back corresponding session wound to MME
Build response.Wherein, S1-U interface address and S11-U interface IP address, S1-U interface address are carried in above-mentioned conversation establishing response
It is separate configurations with S11-U interface IP address.That is SGW supports S11-U interface IP address and S1-U interface address separately to match
It sets, to meet the interface flexible configuration needs of SGW.
Step 23: being responded according to conversation establishing, the control plane transmission link between creation and user equipment.
MME is responded according to the conversation establishing, the control plane transmission link between creation and user equipment, chain here
Road especially refers to business data transmission link, and after transmission link creates successfully, terminal is adhered to successfully, and terminal is successfully accessed net
Network.
Specifically, step 21 specifically includes: receiving the attach request for the user equipment that access net is sent；It is asked according to attachment
It asks, the conversation establishing request of control plane is sent to gateway SGW.Wherein, access net mentioned here refers to that base station etc. connects
Enter the network of device build.
Further, the step of requesting to the conversation establishing that gateway SGW sends control plane specifically includes: passing through carrying
Context information element (Bearer Context Information elements, Bearer Context IE) is sent out to SGW
Send the conversation establishing request for carrying the S11-U interface IP address of control plane.That is, UE under the narrowband Internet of things system into
When row control plane adheres to, Bearer of the MME in the conversation establishing request (Create session request) for issuing SGW
The F-TEID field of the S11-U interface of MME is carried in Context IE, SGW determines that UE needs to carry out control plane according to the field
Attachment flow.SGW is requested according to the conversation establishing, and the F-TEID and S1-U interface for carrying itself S11-U interface are sent to MME
F-TEID conversation establishing respond (Create session response).
Further, the step of being responded according to conversation establishing, creating the control plane transmission link between user equipment is wrapped
It includes: being responded according to conversation establishing, netted to access and send initial context foundation request (Initial Context Setup
Request)；It receives access net and the radio resource control RRC that request is established between user equipment is established according to initial context
The initial context sent after connection establishes response (Initial Context Setup Response)；According to initial context
Establish response, create user equipment between control plane transmission link, at this moment the uplink of UE control plane attaching process at
Function is established.Wherein, it is worth noting that access net is according to wireless between initial context foundation request foundation and user equipment
The step of resources control RRC connection specifically: access net sends RRC connection configuration to UE, and UE is according to RRC connection configuration to connecing
The feedback information that the feedback that networks RRC connection configuration is completed, the RRC after access net receives the feedback information, between determining and UE
Successful connection is established.
Further, after step 23, the method for the embodiment of the present invention further include: send conversion carrying request to SGW
(Modify Bearer Request)；It receives SGW and the conversion carrying response (Modify that request is sent is carried according to conversion
Bearer Response).Wherein, S1-U interface address and S11-U interface IP address can be carried in conversion carrying response, at this moment
The downlink of UE control plane attaching process is successfully established.Since MME has got SGW in the control plane attaching process of UE
S1-U interface address and S11-U interface IP address, therefore can directly be controlled according to S1-U interface address and S11-U interface IP address
Face processed is to user in face of switching.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
It elaborates below in conjunction with control plane attaching process of the specific flow diagram to UE, as shown in figure 3, working as
When UE needs to carry out control plane attachment, following steps are executed:
Step 31:UE sends attach request (Attach Request) to base station.
Step 32: base station forwards the attach request to MME.
Step 33:MME sends conversation establishing request after the attach request for receiving base station forwarding, to SGW.
After step 34:SGW receives conversation establishing request, conversation establishing request is forwarded to packet data network gateway
(Packet Data Network Gateway, PDN GW).
After step 35:PDN GW receives conversation establishing request, requested to feed back corresponding meeting to SGW according to the conversation establishing
Words creation response.
After step 36:SGW receives conversation establishing response, conversation establishing response is transmitted to MME.Wherein, the meeting
S1-U interface address and S11-U interface IP address are carried in words creation response, S1-U interface address and S11-U interface IP address are only
Vertical configuration.
Step 37:MME is responded according to the conversation establishing received, is sent initial context to base station and is established request.
Step 38: base station is established according to the initial context and is requested, and sends RRC connection configuration to UE.
Step 39:UE configures the parameter configuration for carrying out rrc layer according to the RRC connection, and configures to base station feedback RRC connection
The feedback information of completion, at this moment, the RRC successful connection between base station and UE are established.
Step 310: base station is sent on initial after the feedback information that the RRC connection configuration for receiving terminal is completed to MME
Response is hereafter established, at this moment the uplink successful connection of the control plane between UE and core net is established.
Step 311:MME sends conversion carrying request after receiving initial context and establishing response, to SGW.
Step 312:SGW feeds back corresponding conversion carrying response after receiving conversion carrying request, to MME, at this moment UE
The downlink successful connection of control plane between core net is established.Wherein, in conversion carrying response with carrying S1-U interface
Location and S11-U interface IP address, S1-U interface address and S11-U interface IP address are separate configurations.
Since MME has been with having got S1-U interface address and the S11-U interface of SGW in the control plane attaching process of UE
Location, therefore control plane directly can be carried out to user in face of switching according to S1-U interface address and S11-U interface IP address.
In the cut-in method of the narrowband Internet of Things of the embodiment of the present invention, MME carries out business transmission by control plane in UE
In attaching process, conversation establishing request is initiated to SGW, SGW requests to feed back conversation establishing sound to MME according to the conversation establishing
It answers, carries S1-U interface address and S11-U interface IP address in conversation establishing response.Wherein, the S1-U interface and S11- of SGW
U interface can separate configuration, the address distribution of such S1-U interface address and S11-U interface IP address can be more flexible, and two connect
Mouth can configure different addresses.In addition, MME can get S1-U interface address and S11-U interface simultaneously in UE attaching process
Address, when subsequent UE carries out conversion of the control plane to user face, current flow path switch, which can be used, be can be realized.
Just the cut-in method of narrowband Internet of Things of the invention makes introductions to above embodiments respectively, below the present embodiment will knot
Attached drawing is closed to be described further its corresponding device.
Specifically, as shown in figure 4, the access device of the narrowband Internet of Things of the embodiment of the present invention, it is real to be applied to mobile management
Body MME specifically includes following functions module:
First sending module 410, for sending the conversation establishing request of control plane to gateway SGW；
First receiving module 420 is responded for receiving SGW according to the conversation establishing that conversation establishing request is sent；Wherein, meeting
S1-U interface address and S11-U interface IP address are carried in words creation response, S1-U interface address and S11-U interface IP address are only
Vertical configuration；
Creation module 430, the control plane transmission link for being responded according to conversation establishing, between creation and user equipment.
Wherein, the first sending module 410 includes:
First receiving unit, for receiving the attach request for the user equipment that access net is sent；
First transmission unit, for sending the conversation establishing request of control plane to gateway SGW according to attach request.
Wherein, the first sending module 410 includes:
Second transmission unit, for sending the S11-U for carrying control plane to SGW by bearer context information element
The conversation establishing of interface IP address is requested.
Wherein, creation module 430 includes:
Third transmission unit is netted to access for being responded according to conversation establishing and sends initial context foundation request；
Second receiving unit is established between request foundation and user equipment for receiving access net according to initial context
The initial context sent after radio resource control RRC connection establishes response；
Creating unit is responded for being established according to initial context, the control plane chain between creation and user equipment
Road.
Wherein, the access device of narrowband Internet of Things further include:
Second sending module, for sending conversion carrying request to SGW；
Second receiving module carries the conversion carrying response that request is sent according to conversion for receiving SGW；Wherein, it converts
Carrying response carries S1-U interface address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The device of the invention embodiment is, all realities in above method embodiment corresponding with the embodiment of the above method
Existing means can also reach identical technical effect suitable for the embodiment of the device.
Above embodiments describe the cut-in method and device of narrowband Internet of Things of the invention from the side MME, below this implementation
Example will be described further further combined with cut-in method and device of the attached drawing to the narrowband Internet of Things of the side SGW.
As shown in figure 5, the cut-in method of the narrowband Internet of Things of the embodiment of the present invention, is applied to SGW, specifically includes following step
It is rapid:
Step 51: receiving the conversation establishing request for the control plane that mobile management entity MME is sent.
Wherein, control plane mentioned here especially refers in UE attaching process to session request to create, and MME is sent out to SGW
The conversation establishing request of the control plane risen.
Step 52: being requested according to conversation establishing, send conversation establishing response to MME.
Wherein, S1-U interface address and S11-U interface IP address are carried in conversation establishing response, S1-U interface address and
S11-U interface IP address is separate configurations.That is SGW supports S11-U interface IP address and S1-U interface address separate configuration,
To meet the interface flexible configuration needs of SGW.Specifically, S1-U interface address includes: the full dose endpoint of a tunnel mark of S1-U interface
Know F-TEID；S11-U interface IP address includes: the F-TEID of S11-U interface.
Wherein, the step of receiving the conversation establishing request for the control plane that mobile management entity MME is sent, comprising: by holding
Context information element is carried, the session of S11-U interface IP address that mobile management entity MME is sent, carrying control plane is received
Request to create.That is, MME is in the session wound for issuing SGW when the UE under narrowband Internet of things system carries out control plane attachment
It builds in the Bearer Context IE in request and carries the F-TEID field of the S11-U interface of MME, SGW is determined according to the field
UE needs to carry out control plane attachment flow.SGW is requested according to the conversation establishing, carries itself S11-U interface to MME transmission
The conversation establishing of the F-TEID of F-TEID and S1-U interface responds, and at this moment the uplink of UE control plane attaching process is successfully built
It is vertical.
Wherein, it is requested according to conversation establishing, after sending the step of conversation establishing responds to MME further include: receive MME hair
The conversion carrying request sent；According to conversion carrying request, conversion carrying response is sent to MME, at this moment UE control plane attaching process
Downlink be successfully established.Wherein, conversion carrying response carries S1-U interface address and S11-U interface IP address.Due to
MME has got S1-U interface address and the S11-U interface IP address of SGW in the control plane attaching process of UE, therefore can be direct
Control plane is carried out to user in face of switching according to S1-U interface address and S11-U interface IP address.
In the cut-in method of the narrowband Internet of Things of the embodiment of the present invention, the attachment of business transmission is carried out by control plane in UE
In the process, SGW receives the conversation establishing request that MME is sent, and is further requested to feed back a session to MME according to the conversation establishing
Creation responds, and carries S1-U interface address and S11-U interface IP address in conversation establishing response.Wherein, the S1-U interface of SGW
With S11-U interface can separate configuration, the address distribution of such S1-U interface address and S11-U interface IP address can be more flexible, and
Two interfaces can configure different addresses.In addition, MME can get S1-U interface address and S11- simultaneously in UE attaching process
U interface address, when subsequent UE carries out conversion of the control plane to user face, current flow path switch, which can be used, be can be realized.
Just the cut-in method of narrowband Internet of Things of the invention makes introductions to above embodiments respectively, below the present embodiment will knot
Attached drawing is closed to be described further its corresponding device.
Specifically, as shown in fig. 6, the access device of the narrowband Internet of Things of the embodiment of the present invention, is applied to gateway
SGW specifically includes following functions module:
Third receiving module 610, the conversation establishing request of the control plane for receiving mobile management entity MME transmission；
Third sending module 620 sends conversation establishing response to MME for requesting according to conversation establishing；Wherein, session
S1-U interface address and S11-U interface IP address are carried in creation response, S1-U interface address and S11-U interface IP address are independent
Configuration.
Wherein, third receiving module 610 includes:
Third receiving unit, for by bearer context information element, receive it is that mobile management entity MME is sent, take
The conversation establishing of S11-U interface IP address with control plane is requested.
Wherein, the access device of narrowband Internet of Things further include:
4th receiving module, for receiving the conversion carrying request of MME transmission；
4th sending module, for sending conversion carrying response to MME according to conversion carrying request；Wherein, conversion carrying
Response carries S1-U interface address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The device of the invention embodiment is, all realities in above method embodiment corresponding with the embodiment of the above method
Existing means can also reach identical technical effect suitable for the embodiment of the device.
In order to preferably realize above-mentioned purpose, as shown in fig. 7, the embodiment of the invention also provides a kind of network element entity packets
Include: processor 700 executes respective process for reading the program in memory 720.Transceiver 710, in processor 700
Control under send and receive data.
Wherein, in Fig. 7, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 700
The various circuits for the memory that the one or more processors and memory 720 of representative represent link together.Bus architecture is also
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all
It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 710 can
To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided
Member.Processor 700, which is responsible for management bus architecture and common processing, memory 720, can store processor 700 and is executing operation
When used data.
Processor 700, which is responsible for management bus architecture and common processing, memory 720, can store processor 700 and is holding
Used data when row operation.
Specifically, in a first aspect, when the network element entity application is when mobile management entity MME, transceiver 710 is for locating
It manages and executes following steps under the control of device 700:
The conversation establishing request of control plane is sent to gateway SGW；
SGW is received to be responded according to the conversation establishing that conversation establishing request is sent；Wherein, it is carried in conversation establishing response
S1-U interface address and S11-U interface IP address, S1-U interface address and S11-U interface IP address are separate configurations；
It is responded according to conversation establishing, the control plane transmission link between creation and user equipment.
Wherein, the step of being requested to the conversation establishing that gateway SGW sends control plane, comprising:
Receive the attach request for the user equipment that access net is sent；
According to attach request, the conversation establishing request of control plane is sent to gateway SGW.
Wherein, the step of being requested to the conversation establishing that gateway SGW sends control plane, comprising:
By bearer context information element, the conversation establishing for carrying the S11-U interface IP address of control plane is sent to SGW
Request.
Wherein, the step of being responded according to conversation establishing, creating the control plane transmission link between user equipment, comprising:
It is responded according to conversation establishing, is netted to access and send initial context foundation request；
Access net is received to be connected according to the radio resource control RRC that initial context is established between request foundation and user equipment
The initial context sent after connecing establishes response；
It is established and is responded according to initial context, the control plane transmission link between creation and user equipment.
Wherein, after the step of being responded according to conversation establishing, creating the control plane transmission link between user equipment, also
Include:
Conversion carrying request is sent to SGW；
It receives SGW and response is carried according to the conversion that conversion carries request transmission；Wherein, conversion carrying response carries S1-U
Interface IP address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The MME of the embodiment of the present invention initiates session in the attaching process that UE carries out business transmission by control plane, to SGW
Request to create, SGW are requested to feed back conversation establishing response to MME according to the conversation establishing, be carried in conversation establishing response
S1-U interface address and S11-U interface IP address.Wherein, the S1-U interface of SGW and S11-U interface can separate configuration, such S1-U
The distribution of the address of interface IP address and S11-U interface IP address can be more flexible, and two interfaces can configure different addresses.In addition,
MME can get S1-U interface address and S11-U interface IP address simultaneously in UE attaching process, carry out control plane in subsequent UE and arrive
When the conversion in user face, current flow path switch, which can be used, be can be realized.
Second aspect, when the network element entity application is when gateway SGW, transceiver 710 is used for the control in processor 700
System is lower to execute following steps: receiving the conversation establishing request for the control plane that mobile management entity MME is sent；
It is requested according to conversation establishing, sends conversation establishing response to MME；Wherein, S1-U is carried in conversation establishing response
Interface IP address and S11-U interface IP address, S1-U interface address and S11-U interface IP address are separate configurations.
Wherein, the step of receiving the conversation establishing request for the control plane that mobile management entity MME is sent, comprising:
By bearer context information element, S11-U that mobile management entity MME is sent, carrying control plane is received
The conversation establishing of interface IP address is requested.
Wherein, it is requested according to conversation establishing, after sending the step of conversation establishing responds to MME, further includes:
It receives the conversion that MME is sent and carries request；
According to conversion carrying request, conversion carrying response is sent to MME；Wherein, conversion carrying response carries S1-U and connects
Port address and S11-U interface IP address.
Wherein, S1-U interface address includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；S11-U interface IP address
It include: the F-TEID of S11-U interface.
The S1-U interface and S11-U interface of the SGW of the embodiment of the present invention can separate configuration, such S1-U interface address and
The address distribution of S11-U interface IP address can be more flexible, and two interfaces can configure different addresses.When SGW receives MME hair
When the conversation establishing request sent, requested to feed back conversation establishing response to MME according to the conversation establishing, in conversation establishing response
Carry S1-U interface address and S11-U interface IP address.In this way, MME can get S1-U interface simultaneously in UE attaching process
Current flow path switch can be used i.e. when subsequent UE carries out conversion of the control plane to user face in address and S11-U interface IP address
It can be achieved.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come
It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side
The instruction of some or all of step of method；And the computer program can store in a readable storage medium storing program for executing, storage medium
It may be any type of storage medium.
Preferably, the embodiment of the present invention also provides a kind of network element entity, including processor, memory are stored in memory
Computer program that is upper and can running on the processor, the computer program realize above-mentioned protenchyma when being executed by processor
Each process of the cut-in method embodiment of networking, and identical technical effect can be reached, it is no longer superfluous here to avoid repeating
It states.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each mistake of the cut-in method embodiment of above-mentioned narrowband Internet of Things when being executed by processor
Journey, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium
Matter, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic or disk etc..
In addition it should be pointed out that in the apparatus and method of the present invention, it is clear that each component or each step are can to divide
It solves and/or reconfigures.These, which decompose and/or reconfigure, should be regarded as equivalent scheme of the invention.Also, execute above-mentioned system
The step of column processing, can execute according to the sequence of explanation in chronological order naturally, but not need centainly suitable according to the time
Sequence executes, and certain steps can execute parallel or independently of one another.For those of ordinary skill in the art, it is to be understood that this
The whole or any steps or component of the method and apparatus of invention, can any computing device (including processor, storage
Medium etc.) perhaps to be realized with hardware, firmware, software or their combination in the network of computing device, this is this field
Basic programming skill of the those of ordinary skill in the case where having read explanation of the invention with them can be achieved with.
Therefore, the purpose of the present invention can also by run on any computing device a program or batch processing come
It realizes.The computing device can be well known fexible unit.Therefore, the purpose of the present invention can also include only by offer
The program product of the program code of the method or device is realized to realize.That is, such program product is also constituted
The present invention, and the storage medium for being stored with such program product also constitutes the present invention.Obviously, the storage medium can be
Any well known storage medium or any storage medium that developed in the future.It may also be noted that of the invention
In device and method, it is clear that each component or each step can be decomposed and/or be reconfigured.These decomposition and/or again group
Conjunction should be regarded as equivalent scheme of the invention.Also, the step of executing above-mentioned series of processes can be naturally according to the sequence of explanation
It executes in chronological order, but does not need centainly to execute sequentially in time.Certain steps can parallel or independently of one another
It executes.
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, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (22)
1. a kind of cut-in method of narrowband Internet of Things is applied to mobile management entity MME, which is characterized in that the described method includes:
The conversation establishing request of control plane is sent to gateway SGW；
The SGW is received to be responded according to the conversation establishing that conversation establishing request is sent；Wherein, in the conversation establishing response
S1-U interface address and S11-U interface IP address are carried, the S1-U interface address and the S11-U interface IP address are independently to match
It sets；
It is responded according to the conversation establishing, the control plane transmission link between creation and user equipment.
2. the cut-in method of narrowband Internet of Things according to claim 1, which is characterized in that described to be sent out to gateway SGW
The step of sending the conversation establishing of control plane to request, comprising:
Receive the attach request for the user equipment that access net is sent；
According to the attach request, the conversation establishing request of control plane is sent to gateway SGW.
3. the cut-in method of narrowband Internet of Things according to claim 1, which is characterized in that described to be sent out to gateway SGW
The step of sending the conversation establishing of control plane to request, comprising:
By bearer context information element, the conversation establishing for sending the S11-U interface IP address for carrying control plane to SGW is asked
It asks.
4. the cut-in method of narrowband Internet of Things according to claim 1, which is characterized in that described according to the conversation establishing
The step of responding, creating the control plane transmission link between user equipment, comprising:
It is responded according to the conversation establishing, is netted to access and send initial context foundation request；
It receives the access net and the wireless heterogeneous networks that request is established between user equipment is established according to the initial context
The initial context sent after RRC connection establishes response；
It is established and is responded according to the initial context, the control plane transmission link between creation and user equipment.
5. the cut-in method of narrowband Internet of Things according to claim 1, which is characterized in that described according to the conversation establishing
After the step of responding, creating the control plane transmission link between user equipment, further includes:
Conversion carrying request is sent to the SGW；
Receive the conversion carrying response that the SGW is sent according to the conversion carrying request；Wherein, the conversion carrying response is taken
With the S1-U interface address and the S11-U interface IP address.
6. the cut-in method of narrowband Internet of Things according to claim 1, which is characterized in that the S1-U interface address packet
It includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；The S11-U interface IP address includes: the F-TEID of S11-U interface.
7. a kind of access device of narrowband Internet of Things, it is applied to mobile management entity MME, which is characterized in that described device includes:
First sending module, for sending the conversation establishing request of control plane to gateway SGW；
First receiving module is responded for receiving the SGW according to the conversation establishing that conversation establishing request is sent；Wherein,
Carry S1-U interface address and S11-U interface IP address in conversation establishing response, the S1-U interface address and described
S11-U interface IP address is separate configurations；
Creation module, for being responded according to the conversation establishing, the control plane transmission link between creation and user equipment.
8. the access device of narrowband Internet of Things according to claim 7, which is characterized in that the first sending module packet
It includes:
First receiving unit, for receiving the attach request for the user equipment that access net is sent；
First transmission unit, for sending the conversation establishing request of control plane to gateway SGW according to the attach request.
9. the access device of narrowband Internet of Things according to claim 7, which is characterized in that the first sending module packet
It includes:
Second transmission unit, for sending the S11-U interface for carrying control plane to SGW by bearer context information element
The conversation establishing of address is requested.
10. the access device of narrowband Internet of Things according to claim 7, which is characterized in that the creation module includes:
Third transmission unit nets transmission initial context to access and establishes request for being responded according to the conversation establishing；
Second receiving unit, for receive the access net according to the initial context establish request establish with user equipment it
Between radio resource control RRC connection after the initial context that sends establish response；
Creating unit is responded for being established according to the initial context, the control plane chain between creation and user equipment
Road.
11. the access device of narrowband Internet of Things according to claim 7, which is characterized in that the narrowband Internet of Things connects
Enter device further include:
Second sending module, for sending conversion carrying request to the SGW；
Second receiving module, the conversion carrying response sent for receiving the SGW according to the conversion carrying request；Wherein,
The conversion carrying response carries the S1-U interface address and the S11-U interface IP address.
12. the access device of narrowband Internet of Things according to claim 7, which is characterized in that the S1-U interface address packet
It includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；The S11-U interface IP address includes: the F-TEID of S11-U interface.
13. a kind of cut-in method of narrowband Internet of Things is applied to gateway SGW, which is characterized in that the described method includes:
Receive the conversation establishing request for the control plane that mobile management entity MME is sent；
It is requested according to the conversation establishing, Xiang Suoshu MME sends conversation establishing response；Wherein, it is taken in the conversation establishing response
With S1-U interface address and S11-U interface IP address, the S1-U interface address and the S11-U interface IP address are separate configurations
's.
14. the cut-in method of narrowband Internet of Things according to claim 13, which is characterized in that the reception mobile management is real
The step of conversation establishing request for the control plane that body MME is sent, comprising:
By bearer context information element, S11-U interface that mobile management entity MME is sent, carrying control plane is received
The conversation establishing of address is requested.
15. the cut-in method of narrowband Internet of Things according to claim 13, which is characterized in that described to be created according to the session
Request is built, Xiang Suoshu MME is sent after the step of conversation establishing responds, further includes:
Receive the conversion carrying request that the MME is sent；
It is carried and is requested according to the conversion, Xiang Suoshu MME sends conversion carrying response；Wherein, the conversion carrying response carries
There are the S1-U interface address and the S11-U interface IP address.
16. the cut-in method of narrowband Internet of Things according to claim 13, which is characterized in that the S1-U interface address packet
It includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；The S11-U interface IP address includes: the F-TEID of S11-U interface.
17. a kind of access device of narrowband Internet of Things, it is applied to gateway SGW, which is characterized in that described device includes:
Third receiving module, the conversation establishing request of the control plane for receiving mobile management entity MME transmission；
Third sending module, for being requested according to the conversation establishing, Xiang Suoshu MME sends conversation establishing response；Wherein, described
S1-U interface address and S11-U interface IP address are carried in conversation establishing response, the S1-U interface address and the S11-U connect
Port address is separate configurations.
18. the access device of narrowband Internet of Things according to claim 17, which is characterized in that the third receiving module packet
It includes:
Third receiving unit, for by bearer context information element, receive it is that mobile management entity MME is sent, carry
The conversation establishing of the S11-U interface IP address of control plane is requested.
19. the access device of narrowband Internet of Things according to claim 17, which is characterized in that the narrowband Internet of Things connects
Enter device further include:
4th receiving module, the conversion carrying request sent for receiving the MME；
4th sending module is requested for being carried according to the conversion, and Xiang Suoshu MME sends conversion carrying response；Wherein, described
Conversion carrying response carries the S1-U interface address and the S11-U interface IP address.
20. the access device of narrowband Internet of Things according to claim 17, which is characterized in that the S1-U interface address packet
It includes: the full dose Tunnel End Point Identifier F-TEID of S1-U interface；The S11-U interface IP address includes: the F-TEID of S11-U interface.
21. a kind of network element entity, including memory, processor and it is stored on the memory and can transports on the processor
Capable computer program；It is characterized in that, the processor realize when executing the computer program such as claim 1 to 6 or
Described in any one of 13 to 16 the step of the cut-in method of narrowband Internet of Things.
22. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The step of the cut-in method of narrowband Internet of Things described in any one of claim 1 to 6 or 13 to 16 is realized when processor executes
Suddenly.
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