CN107734517A - A kind of data transmission method, device and system - Google Patents
A kind of data transmission method, device and system Download PDFInfo
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- CN107734517A CN107734517A CN201610652444.2A CN201610652444A CN107734517A CN 107734517 A CN107734517 A CN 107734517A CN 201610652444 A CN201610652444 A CN 201610652444A CN 107734517 A CN107734517 A CN 107734517A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
Abstract
Disclosed herein is a kind of data transmission method, this method includes：Wireless access network element determines whether business is local gateway business；Wireless access network element determines the data-transmission mode of the local gateway business after it is determined that business is local gateway business.The present invention disclosure satisfy that the QoS requirement of different business.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of data transmission method and device.
Background technology
With the progressively popularization of the mobile terminals such as smart mobile phone, the portfolio of mobile communication experienced in the past ten years
Explosive growth.Industry is it is believed that with the appearance and popularization of the new opplications such as ultra high-definition video, virtual reality, not at present
Carrying out the portfolio of 10 years (2010-the year two thousand twenty) mobile communication will exponentially increase, and in some hot zones, will exceed
1000 times.
1000 times of portfolio, which increases, turns into the further evolution of driving forth generation GSM (abbreviation 4G systems)
Maximum power.In order to meet this demand, the 5th Generation Mobile Communication System (abbreviation 5G systems) proposes the 1000 of great challenge
The target of times capacity boost.The developing history of mobile communication shows that cell splitting, bigger bandwidth, higher spectrum efficiency are
Three big pillars of power system capacity lifting.
With the development of cell splitting technology, low-power transmission node (TP, Transmission Point) by neatly,
Sparsely it is deployed within macrocell (Macro Cell) overlay area, forms by macrocell and cell (Small Cell)
The multilayer heterogeneous network (Heterogeneous Network, abbreviation HetNet) of composition.HetNet not only can ensure to cover
While improve cell splitting flexibility and power system capacity, share the traffic pressure of macrocell, macrocell can also be expanded
Coverage.In the latter stage of 4G system researches, in order to further improve power system capacity, 3GPP (the 3rd Generation
Partnership Project, third generation cooperative partner program) Small Cell enhancing technologies are proposed, to high-density deployment
Produced problem expands preliminary research during small cell.
Super-intensive network in 5G can be regarded as the further evolution of Small Cell enhancing technologies.In super-intensive network
In, TP density will further improve, and TP coverage further reduces, and each TP only services one or seldom several simultaneously
Terminal.Super-intensive disposes the distance of furthered TP and terminal so that their transmission power can substantially reduce, and become very
Close, the difference of uplink and downlink link is also therefore less and less.TP in this super-intensive network uses new wireless access skill
Art, so being referred to as a kind of new RAT (Radio Access Technologies, wireless access technology).
Following 5G systems not only include the network element (NR) using new wireless access technology, while also merge the further of 4G
Evolution eLTE technologies, wireless local area network correlation technique (Wireless Local Area Network, WLAN), is one
More RAT systems.
Studied in following 5G networks by pipeline, telecommunication standard tissue and operator to avoid moving bearer network
In, how with mobile Internet and internet of things service depth integration, and then lifted mobile network's bandwidth value, european telecommunication mark
The mobile edge calculations (Mobile Edge Computing, MEC) that VESA Video Electronics Standard Association ETSI is proposed are the frameworks based on 5G evolution, and
By Mobile Access Network and a kind of technology of Internet service depth integration.On the one hand MEC can improve Consumer's Experience, save bandwidth
Resource, on the other hand by the way that computing capability is sunk into mobile fringe node, there is provided third-party application integrates, and enters for mobile edge
The service innovation of mouth provides unlimited possibility.MEC service-orienteds aspect (Internet of Things, video, medical treatment, retail etc.), can be to industry
Customization, differentiated service are provided, and then lift network utilization ratio and added value, while MEC deployment strategy is (especially
Geographical position) low latency, the advantage of high bandwidth can be realized, meet Qos (Quality of Service, the Service Quality of business
Amount) demand.
In the system that 3GPP is defined at present, core net to QoS of survice be ensured of and access network used by wireless access
Technology correlation.As shown in figure 1, handle unit, user equipment as minimum QoS to carry (bearer) during data transfer
A PDN connection is established between (User Equipment, UE) and packet data network (Public Data Network, PDN)
The situation of (PDN connection), to serve in the PDN connections business with different QoS requirements, core net can be
Multiple evolved packet system carrying (Evolved Packet are established between UE and PDN Gateway (PDN gateway, P-GW)
System bearer, EPS bearer), one or more Business Streams (traffic flow) are carried on each EPS bearer,
One or more Business Stream being carried on an EPS bearer will have identical QoS.EPS bearer are UE and P-
End-to-end logical bearers between GW, EPS bearer are corresponding on three network interfaces passed through in LTE network framework
Establish three sections of carryings, including the S5/ established on P-GW and gateway (Serving Gateway, S-GW) interface
S8bearer, the S1-bearer established on S-GW and base station (eNB) interface and foundation air interface between eNB and UE
On radio bearer (Radio Bearer, RB).Wherein S1-bearer and RB is defined as drilling between UE and S-GW again together
It is net loaded (E-UTRAN Radio Access Bearer, E-RAB) to enter universal terrestrial wireless access.Core net establishes EPS
During bearer, the qos parameter of each E-RAB of eNB (i.e. EPS bearer are in one section of E-URTAN sides carrying) is notified that, eNB pairs
The RB that should be established in the air on interface between UE, wherein eNB are according to the qos parameters of the E-RAB granularities received, it is determined that correspondence RB
Parameter setting, eNB and UE the RB parameter settings determined by, carry out data dispatch transmission, ensure air interface on RB levels
Other QoS.
In order to reduce time delay, there are many producers to propose to move down PDN Gateway closer to wireless access network, as one
Local gateway (local GW), in the system shown in Fig. 2, in addition to local gateway (local GW), also there is one in system
Individual default gateway (default GW).Local GW are mainly used in the business to delay sensitive, and default GW are mainly applied
In the business insensitive to time delay.
But in the system of local gateway and default gateway is deployed, how different Q os business datum is passed
It is defeated also without determine method.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of data transmission method, device and system, disclosure satisfy that not
With the QoS requirement of business.
The embodiments of the invention provide a kind of data transmission method, this method includes：
Wireless access network element determines whether business is local gateway business；
Wireless access network element determines that the data of the local gateway business pass after it is determined that business is local gateway business
Defeated pattern.
The embodiment of the present invention additionally provides a kind of data transmission method, and this method includes：
Core network control surface network element receives the conversation request message that user equipment is initiated；
Core network control surface network element is according to the information included in the conversation request message from local gateway and default gateway
A kind of gateway of the middle gateway of selection as transmission data.
The embodiment of the present invention additionally provides a kind of data transmission device, applied to wireless access network element, including：
Service identification module, for determining whether business is local gateway business；
Data-transmission mode determining module, for after it is determined that business is local gateway business, determining the local gateway
The data-transmission mode of business.
The embodiment of the present invention additionally provides a kind of data transmission device, applied to core network control surface network element, including：
Receiving module, for receiving the conversation request message of user equipment initiation；
Gateway selecting module, for according to the information included in the conversation request message from local gateway and default gateway
A kind of gateway of the middle gateway of selection as transmission data.
The embodiment of the present invention additionally provides a kind of data transmission system, including core network control surface network element and wireless access network
Network element；
Core network control surface network element, for receiving the conversation request message of user equipment initiation；According to the session request
The information included in message selects a kind of gateway of gateway as transmission data from local gateway and default gateway；
Wireless access network element, for determining whether business is local gateway business；It is determined that business is local gateway industry
After business, the data-transmission mode of the local gateway business is determined.
Compared with prior art, a kind of data transmission method provided by the invention, device and system, wireless access network element
Determine whether business is local gateway business, after it is determined that business is local gateway business, determine the local gateway business
Data-transmission mode.By by data processing function flexible deployment, being effectively guaranteed the QoS requirement of business, while industry
Business meets the demand of future network virtualization of function.
Brief description of the drawings
Fig. 1 is the Organization Chart of 4G systems in correlation technique；
Fig. 2 is the system architecture diagram that PDW gateways move down into close to wireless access network in correlation technique；
Fig. 3 is a kind of flow chart (wireless access network element) of data transmission method of the embodiment of the present invention；
Fig. 4 is a kind of flow chart (core network control surface network element) of data transmission method of the embodiment of the present invention；
Fig. 5 is a kind of schematic diagram (wireless access network element) of data transmission device of the embodiment of the present invention；
Fig. 6 is a kind of schematic diagram (core network control surface network element) of data transmission device of the embodiment of the present invention；
Fig. 7 is that a kind of data-transmission mode by control signaling acquisition business information of embodiment 1 determines the stream of method
Cheng Tu；
Fig. 8 is that a kind of data-transmission mode by control signaling acquisition business information of embodiment 2 determines the stream of method
Cheng Tu；
Fig. 9 is that a kind of data-transmission mode that business information is obtained by upstream data bag of embodiment 3 determines method
Flow chart；
Figure 10 is that a kind of data-transmission mode that business information is obtained by upstream data bag of embodiment 4 determines method
Flow chart；
Figure 11 is a kind of data-transmission mode that business information is obtained by upstream data bag according to the embodiment of the present invention 5
The flow chart of determination；
Figure 12 is the flow chart determined according to the data-transmission mode of the embodiment of the present invention 6；
Figure 13 is the data transfer path schematic diagram using single channel transmission mode according to the embodiment of the present invention 7；
Figure 14 is the data transfer path schematic diagram using channel transmission pattern of the embodiment of the present invention 8；
Figure 15 is the data transfer path schematic diagram using channel transmission pattern of the embodiment of the present invention 9；
Figure 16 is a kind of schematic diagram of data transmission system of the embodiment of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
As shown in figure 3, the embodiments of the invention provide a kind of data transmission method, this method includes：
S310, wireless access network element determine whether business is local gateway business；
S320, wireless access network element determine the local gateway business after it is determined that business is local gateway business
Data-transmission mode.
Methods described can also include following features：
Alternatively, the wireless access network element includes following at least one：Transmission node, the enode b of enhancing；
Alternatively, local gateway be on geographical position close to user equipment (UE) gateway, be delay sensitive business or
Business based on mobile edge calculations MEC provides service；
Alternatively, the local gateway includes：Transmission node or the enode b of enhancing；
Alternatively, the data-transmission mode includes：Single channel transmission mode or channel transmission pattern；
Wherein, channel transmission pattern refers to：The data processing function of user plane is deployed on multiple transmission nodes, described
Multiple transmission nodes include a transmission node as user plane anchor point, and the user plane anchor point is used to send data to
In one or more passages, and from one or more channel reception data and converged；
Wherein, single channel transmission mode refers to：The data processing function of user plane is deployed on a transmission node, data
Send into a passage, and data are received from a passage；
Alternatively, multi-channel mode includes any one data transfer mode in following (a)~(c)：
(a) user plane anchor point performs routing function, by data distribution to different transmission nodes；
(b) user plane anchor point performs at least one of route, data sectional, cascade function, by data distribution to difference
Transmission node；
(c) user plane anchor point performs at least one in route, data sectional, cascade, priority processing, data dispatch function
Kind, by data distribution to different transmission nodes；
Alternatively, methods described also includes：
Wireless access network element notifies the data-transmission mode of the local gateway business to user equipment；Wherein, institute
State single and monitor Traffic Channel corresponding to a passage corresponding to UE；Multi-channel mode corresponds to UE and monitors multiple passages
Corresponding a plurality of Traffic Channel simultaneously carries out the merging of data；
Alternatively, the wireless access network element determines whether business is local gateway business, including：
During radio bearer is established, if what the wireless access network element was sent from core network control surface network element
Local gateway business configured information is got in tunnel building message or tunnel conversion message, then judges that business is local gateway industry
Business；
Wherein, local gateway business configured information can be represented explicitly, such as using a local gateway business instruction letter
The indication information element of a low time delay is included in member or Qos information.
Local gateway business configured information can also be represented implicitly, as included local gateway address, RAN network elements in message
It is a local gateway business that this, which can be identified,；
Wherein, when getting local gateway business configured information, methods described also includes the wireless access network element：
Obtain and use in tunnel building message or tunnel conversion message that the wireless access network element is sent from core network control surface network element
The mobility information of family equipment；
Wherein, the mobility information of the user equipment (UE) can include at least one of following information：UE motion shape
State information (such as mobile or static), UE motion velocity information (such as walking speed or running speed), application type
Information (such as Industry Control, tele-medicine, remote control, cloud game, virtual reality, car networking etc.)；
Wherein, at least one in following information is also included in the tunnel building message that the core network control surface network element is sent
Kind：Qos parameters, Qos ID, data stream filters, data stream filters list, gateway address；
Alternatively, the data-transmission mode of the local gateway business is notified to set to user by the wireless access network element
After standby, methods described also includes：Radio bearer corresponding to the user equipment and the corresponding relation of data flow are notified to described
User equipment；
The user equipment only receives the industry in respective channel after the corresponding relation of radio bearer and data flow has been known
Business data；
Alternatively, methods described also includes：
It is determined that during change data transmission mode, the data-transmission mode after renewal is notified to user equipment.
Alternatively, the wireless access network element determines whether business is local gateway business, including following at least one：
After radio bearer foundation, if getting LAN in the packet header of the upstream data bag sent from user equipment (UE)
Pass business configured information, then judge that business is local gateway business；Or
After radio bearer foundation, examined by the upstream data bag sent to the user equipment (UE) received using deep packet
Survey DPI and carry out business identification to determine whether business is local gateway business；Or
After radio bearer foundation, if getting application name in the packet header of the upstream data bag sent from user equipment (UE)
Claim information, then according to Apply Names acquisition of information to application message, carry out business identification according to application message is to determine business
No is local gateway business；Wherein, wireless access network element gets Apply Names and correspondingly from business application server in advance
Application message；
Wherein, Apply Names includes：Using website information；
Application message includes at least one of following information：Type of service, application protocol, business datum amount, the duration,
Delay variation.
Wherein, type of service includes：Conversation class, stream class, interactive class, background classes；
Application protocol includes：FTP (File Transfer Protocol, FTP), POP3 (Post
Office Protocol-Version 3, Post Office Protocol,Version 3), HTTP (HyperText Transfer Protocol, surpass
Text transfer protocol)/HTTPS (Hyper Text Transfer Protocol over Secure Socket Layer, base
In the HTTP of security socket layer) etc. agreement.
Alternatively, the mobility information of user equipment is also carried in the packet header for the upstream data bag that user equipment (UE) is sent；
Alternatively, wireless access network element determines the data-transmission mode of the local gateway business, including：
Wireless access network element determines the data of the local gateway business according to the motion velocity information of user equipment (UE)
Transmission mode, including：When the movement velocity of user equipment is less than threshold value, single channel transmission mode is selected；In user equipment
When movement velocity is greater than or equal to threshold value, channel transmission pattern is selected；
Alternatively, methods described also includes：
Wireless access network element determines the data-transmission mode of the business after it is determined that business is not local gateway business
For channel transmission pattern.
As shown in figure 4, the embodiments of the invention provide a kind of data transmission method, this method includes：
S410, core network control surface network element receive the conversation request message that user equipment is initiated；
S420, core network control surface network element is according to the information included in the conversation request message from local gateway and default
A kind of gateway of gateway as transmission data is selected in gateway.
Methods described can also include following features：
Alternatively, included in the conversation request message：The mobility information of traffic type information and/or user equipment.
Alternatively, the mobility information of the user equipment (UE) includes at least one of following information：UE motion state
Information, UE motion velocity information, application type information.
Alternatively, methods described also includes：
When the gateway selected is local gateway, core network control surface network element sends tunnel to wireless access network element and built
Message is found, local gateway business configured information, and/or the mobility information of user equipment are carried in the tunnel building message.
Alternatively, the local gateway business configured information is indicated by the way of explicitly or implicitly；
Wherein, the local gateway business configured information is represented by the way of explicit, including：Using a local gateway
Business indication information element or the indication information element that a low time delay is included in Qos information；
Wherein, the local gateway business configured information is represented by the way of implicit, including：In the message comprising described
The address information of local gateway.
Alternatively, methods described also includes：
When the non-local gateway of core network control surface network element initial selected is as gateway, if afterwards based on data transfer
The load of time delay or data transfer determines to need to substitute the non-local gateway with local gateway, then is sent out to the local gateway
Session establishment is played, tunnel conversion is initiated to the wireless access network element, local gateway is carried in the tunnel conversion message
Business configured information, and/or the mobility information of user equipment.
As shown in figure 5, the embodiments of the invention provide a kind of data transmission device, applied to wireless access network element, bag
Include：
Service identification module 501, for determining whether business is local gateway business；
Data-transmission mode determining module 502, for after it is determined that business is local gateway business, determining the LAN
The data-transmission mode of pass business.
Alternatively, the data-transmission mode includes：Single channel transmission mode or channel transmission pattern；
Channel transmission pattern refers to：The data processing function of user plane is deployed on multiple transmission nodes, the multiple
Transmission node includes a transmission node as user plane anchor point, and the user plane anchor point is used to send data to one
Or in multiple passages, and from one or more channel reception data and converged；
Single channel transmission mode refers to：The data processing function of user plane is deployed on a transmission node, and data are sent
Into a passage, and data are received from a passage.
Alternatively, the multi-channel mode includes any one data transfer mode in following (a)~(c)：
(a) user plane anchor point performs routing function, by data distribution to different transmission nodes；
(b) user plane anchor point performs at least one of route, data sectional, cascade function, by data distribution to difference
Transmission node；
(c) user plane anchor point performs at least one in route, data sectional, cascade, priority processing, data dispatch function
Kind, by data distribution to different transmission nodes.
Alternatively, described device also includes：
Notification module 503, for the data-transmission mode of the local gateway business to be notified to user equipment.
Alternatively, service identification module 501, for determining whether business is local gateway business, including：
During radio bearer is established, if the tunnel building message or tunnel that are sent from core network control surface network element
Local gateway business configured information is got in conversion message, then judges that business is local gateway business.
Alternatively, service identification module 501, it is additionally operable to when getting local gateway business configured information, from core net
The mobility information of user equipment is obtained in tunnel building message or tunnel conversion message that chain of command network element is sent；
Wherein, the mobility information of the user equipment (UE) includes at least one of following information：UE motion state letter
Breath, UE motion velocity information, application type information.
Alternatively, service identification module 501, for determining whether business is local gateway business, including following at least one
Kind：
After radio bearer foundation, if getting LAN in the packet header of the upstream data bag sent from user equipment (UE)
Pass business configured information, then judge that business is local gateway business；Or
After radio bearer foundation, examined by the upstream data bag sent to the user equipment (UE) received using deep packet
Survey DPI and carry out business identification to determine whether business is local gateway business；Or
After radio bearer foundation, if getting application name in the packet header of the upstream data bag sent from user equipment (UE)
Claim information, then according to Apply Names acquisition of information to application message, carry out business identification according to application message is to determine business
No is local gateway business；Wherein, wireless access network element gets Apply Names and correspondingly from business application server in advance
Application message.
Alternatively, application message includes at least one of following information：Type of service, application protocol, business datum amount, hold
Continuous time, delay variation.
Alternatively, local gateway be on geographical position close to user equipment (UE) gateway, be delay sensitive business or
Business based on mobile edge calculations MEC provides service.
Alternatively, the wireless access network element includes following at least one：Transmission node, the enode b of enhancing.
As shown in fig. 6, the embodiments of the invention provide a kind of data transmission device, applied to core network control surface network element,
Including：
Receiving module 601, for receiving the conversation request message of user equipment initiation；
Gateway selecting module 602, for according to the information included in the conversation request message from local gateway and default
A kind of gateway of gateway as transmission data is selected in gateway.
Alternatively, included in the conversation request message：The mobility information of traffic type information and/or user equipment.
Alternatively, the mobility information of the user equipment (UE) includes at least one of following information：UE motion state
Information, UE motion velocity information, application type information.
Alternatively, described device also includes：
Sending module 603, for when the gateway selected is local gateway, sending tunnel to wireless access network element and building
Message is found, local gateway business configured information, and/or the mobility information of user equipment are carried in the tunnel building message.
Alternatively, the local gateway business configured information is indicated by the way of explicitly or implicitly；
Wherein, the local gateway business configured information is represented by the way of explicit, including：Using a local gateway
Business indication information element or the indication information element that a low time delay is included in Qos information；
Wherein, the local gateway business configured information is represented by the way of implicit, including：In the message comprising described
The address information of local gateway.
Alternatively, sending module 603, it is additionally operable in the non-local gateway of core network control surface network element initial selected as gateway
When, if the load of the time delay based on data transfer or data transfer determines to need to substitute described non-with local gateway afterwards
Ground gateway, then session establishment is initiated to the local gateway, tunnel conversion is initiated to the wireless access network element, in the tunnel
Local gateway business configured information, and/or the mobility information of user equipment are carried in road conversion message.
Embodiment 1
As shown in fig. 7, a kind of data-transmission mode by control signaling acquisition business information of the embodiment of the present invention is true
Determine method, including：
S702, UE are initiated a session request, and type of service is included in conversation request message, alternatively, in addition to mobility letter
Breath.
Wherein, UE mobility information can include at least one of following information：UE movement state information (such as
It is mobile or static), UE motion velocity information (such as walking speed or running speed), application type information (such as work
Industry control, tele-medicine, remote control, cloud game, virtual reality, car networking etc.).
S704, core network control surface network element (Core-C) are based on type of service and/or mobility information selection Local GW
Data are transmitted, session establishment is initiated to Local GW.
S706, Core-C initiate tunnel building to wireless access network RAN network elements, and local gateway is included in tunnel building message
Business configured information, alternatively, include UE mobility information.
Wherein, local gateway business configured information can be represented explicitly, such as using a local gateway business instruction letter
The indication information element of a low time delay is included in member or Qos information.
Local gateway business configured information can also be represented implicitly, as included local gateway address, RAN network elements in message
It is a local gateway business that this, which can be identified,.
Mobility information of S708, the RAN network element based on local gateway business and/or UE determines data-transmission mode.
S710, RAN network element notice UE radio bearers are established, and data-transmission mode and radio bearer and number are carried in message
According to the corresponding relation of stream, it is easy to UE only to receive the business datum in respective channel.
Embodiment 2
As shown in figure 8, a kind of data-transmission mode by control signaling acquisition business information of the embodiment of the present invention is true
Determine method, including：
S802, UE initiate a session request.
S804, Core-C selection Default GW transmission data, session establishment is initiated to Default GW.
S806, Core-C initiate tunnel building to RAN network elements, and at least one of following information is included in message：Qos joins
Count, Qos ID, data stream filters, data stream filters list, also include Default GW information, such as gateway address.
S808, RAN network element determine data-transmission mode based on Qos parameters.
S810, RAN network element notice UE radio bearers are established, and carry data-transmission mode in message, and radio bearer with
The corresponding relation of data flow, it is easy to UE only to receive the business datum in respective channel.
The load of S812, Core-C time delay or data transfer based on data transfer, decision-making change data transmission path,
Carried out data transmission by Local GW.
S814, Core-C initiate session establishment to Local GW.
S816, Core-C initiate tunnel conversion to RAN, and local gateway business configured information is included in message, alternatively, also
Mobility information including UE.
Wherein, local gateway business configured information can be represented explicitly, such as using a local gateway business instruction letter
The indication information element of a low time delay is included in member or Qos information.
Local gateway business configured information can also be represented implicitly, as included local gateway address, RAN network elements in message
It is a local gateway business that this, which can be identified,.
S818, RAN network element carry out the conversion in tunnel, it is determined that new data-transmission mode.
S820, RAN network element notice UE carry out radio bearer and matched somebody with somebody again, and the data-transmission mode of renewal is included in reallocation message,
And radio bearer and the corresponding relation of data flow, it is easy to UE only to receive the business datum in respective channel.
Embodiment 3
During radio bearer foundation, after Core-C identifies local gateway business, conversational response message can be passed through
Local gateway business configured information is sent to UE；After radio bearer foundation, UE can pass through bag when sending upstream data bag
Head carries upper local gateway business configured information；
A kind of as shown in figure 9, data-transmission mode that business information is obtained by upstream data bag of the embodiment of the present invention
Method is determined, including：
S902, RAN network element receive the upstream data bag that UE is sent.
Wherein, local gateway business configured information is included in the packet header of the upstream data bag, alternatively, can also be included
UE mobility information.
S904, RAN network element determine data-transmission mode, and the portion of user plane protocol function is carried out based on data-transmission mode
Administration, carries out the processing of data.
Embodiment 4
During radio bearer foundation, the not responsible identification local gateway business of Core-C, identification is responsible for originally by RAN network elements
Ground gateway service；After radio bearer foundation, UE refers to when sending upstream data bag in packet header without carrying local gateway business
Show information, local gateway business is identified by DPI technologies by RAN network elements；
As shown in Figure 10, a kind of data-transmission mode that business information is obtained by upstream data bag of the embodiment of the present invention
Method is determined, including：
S1002, RAN network element receive the upstream data bag that UE is sent.
S1004, RAN network element carry out business identification by DPI (Deep Packet Inspection, deep-packet detection),
It is local gateway business to determine business.
S1006, RAN network element determine data-transmission mode, and the portion of user plane protocol function is carried out based on data-transmission mode
Administration, carries out the processing of data.
Embodiment 5
During radio bearer foundation, the not responsible identification local gateway business of Core-C, identification is responsible for originally by RAN network elements
Ground gateway service；After radio bearer foundation, UE carries Apply Names, RAN network elements in the header when sending upstream data bag
Local gateway business is identified by the Apply Names and corresponding application message that are got from business application server；
As shown in figure 11, a kind of data-transmission mode that business information is obtained by upstream data bag of the embodiment of the present invention
Method is determined, including：
S1102, RAN network element get Apply Names and corresponding application message from business application server in advance.
Wherein, Apply Names includes applying website information；
Application message includes at least one of following information：Type of service, application protocol, business datum amount, the duration,
Delay variation.
Wherein, type of service includes：Conversation class, stream class, interactive class, background classes；
Application protocol includes：FTP (File Transfer Protocol, FTP), POP3 (Post
Office Protocol-Version 3, Post Office Protocol,Version 3), HTTP (HyperText Transfer Protocol, surpass
Text transfer protocol)/HTTPS (Hyper Text Transfer Protocol over Secure Socket Layer, base
In the HTTP of security socket layer) etc. agreement.
S1104, RAN network element receive the upstream data bag that UE is sent, and Apply Names is included in packet header.
S1106, RAN network element get application message according to Apply Names, are identified as local gateway business.
S1108, RAN network element determine data-transmission mode, and the portion of user plane protocol function is carried out based on data-transmission mode
Administration, carries out the processing of data.
Embodiment 6
As shown in figure 12, a kind of data-transmission mode of the embodiment of the present invention determines method, including：
S1202, RAN network element obtain UE mobility information.
Wherein, UE mobility information can include at least one of following information：UE movement state information (such as
It is mobile or static), UE motion velocity information (such as walking speed or running speed), application type information (such as work
Industry control, tele-medicine, remote control, cloud game, virtual reality, car networking etc.).
S1204, if UE movement velocity is less than threshold value (such as static or walking speed), using single；
Otherwise, using multi-channel mode.
Figure 13~Figure 15 is by taking two paths as an example, under single channel transmission mode and channel transmission pattern, the biography of data
Defeated path illustrates, and when path is more than two, is equally applicable.
Embodiment 7
As shown in figure 13, in RAT systems more than one, line number is entered using single channel transmission mode between Local GW and UE
According to transmission.
The transmission path of data has two, and one is identified as 1, the descending node B from Local GW to evolution increasing
(eNB+)/employ new RAT transmission node (NR) by force, eNB+/NR to UE；It is up from UE to eNB+/NR, eNB+/NR is arrived
Local GW；One is identified as 2, descending from Local GW to NR, NR to UE；It is up from UE to NR, NR to Local GW.
During session start or during session progress, Core-C initiates session establishment, Core-C and RAN to Local GW
Between tunnel and RAN and UE radio bearer establish after, data are transmitted from path 1 or path 2.UE is responsible for monitoring road
Footpath 1 or the Traffic Channel in path 2.
The transmission path of whole conversation procedure data keeps constant, or the transmission path of data is sent out during session progress
Changing, path 2 is fitted on again from path 1 or is fitted on path 1 again from path 2.
During data transfer, processing function such as routing function, segmentation, cascade, priority processing, the scheduling feature of data all exist
One transmission node is completed, such as the eNB+/NR in the path 1 or NR in path 2.
Embodiment 8
As shown in figure 14, in RAT systems more than one, line number is entered using channel transmission pattern between Local GW and UE
According to transmission.
The transmission path of data, descending from Local GW to eNB+/NR, eNB+/NR is concentrated and carried out as user plane anchor point
Route either segmentation, cascade or priority processing, scheduling, is shunted, and is diverted to the other users face processing association of this node
Stack (path 1) and NR user plane processing protocol stack (path 2) are discussed, transfers data to UE, UE is responsible for monitoring path 1 and path
2 Traffic Channel, carry out the merging of data.Uplink UE passage path 1 is sent to eNB+/NR, and passage path 2 is sent to NR, then
The data in path 1 and path 2 are converged by user plane anchor point eNB+/NR, are sent to Local GW.
Embodiment 9
As shown in figure 15, in RAT systems more than one, line number is entered using channel transmission pattern between Local GW and UE
According to transmission.
Wireless access net side contains two kinds of logic units：Controlled in wireless processing unit (RCC) and Wireless Access Unit
(RAU).RCC receives the downlink data that Local GW are sent as user plane anchor point, route either be segmented, cascade or
Priority processing, scheduling, data passage path 1 is sent to a RAU, then UE is sent to by the RAU passage paths 1, by number
Another RAU is sent to according to passage path 2, then UE is sent to by the RAU passage paths 2, UE is responsible for monitoring path 1 and path 2
Traffic Channel, carry out the merging of data.
Up direction：UE passage paths 1 send the data to a RAU, then pass through after being handled by the RAU data
Path 1 is sent to RCC, and UE passage paths 2 send the data to another RAU, then pass through after being handled by the RAU data
Path 2 is sent to RCC, and RCC is then forwarded to Local GW after carrying out the convergence of data.
As shown in figure 16, the embodiment of the present invention additionally provides a kind of data transmission system, including core network control surface network element
With wireless access network element；
Core network control surface network element, for receiving the conversation request message of user equipment initiation；According to the session request
The information included in message selects a kind of gateway of gateway as transmission data from local gateway and default gateway；
Wireless access network element, for determining whether business is local gateway business；It is determined that business is local gateway industry
After business, the data-transmission mode of the local gateway business is determined.
Alternatively, included in the conversation request message：The mobility information of traffic type information and/or user equipment.
Alternatively, the mobility information of the user equipment (UE) includes at least one of following information：UE motion state
Information, UE motion velocity information, application type information.
Alternatively, the core network control surface network element, it is additionally operable to when the gateway selected is local gateway, to wirelessly connecing
Network element sends tunnel building message, and local gateway business configured information, and/or user are carried in the tunnel building message
The mobility information of equipment.
Alternatively, the local gateway business configured information is indicated by the way of explicitly or implicitly；
Wherein, the local gateway business configured information is represented by the way of explicit, including：Using a local gateway
Business indication information element or the indication information element that a low time delay is included in Qos information；
Wherein, the local gateway business configured information is represented by the way of implicit, including：In the message comprising described
The address information of local gateway.
Alternatively, the core network control surface network element, it is additionally operable in the non-local net of core network control surface network element initial selected
When pass is used as gateway, if the load of the time delay based on data transfer or data transfer determines to need to be replaced with local gateway afterwards
For the non-local gateway, then session establishment is initiated to the local gateway, initiating tunnel to the wireless access network element turns
Change, local gateway business configured information, and/or the mobility information of user equipment are carried in the tunnel conversion message.
Alternatively, the data-transmission mode includes：Single channel transmission mode or channel transmission pattern；
Alternatively, the wireless access network element, it is additionally operable to the data-transmission mode notice of the local gateway business
To user equipment.
Alternatively, wireless access network element, for determining whether business is local gateway business, including：
During radio bearer is established, if the tunnel building message or tunnel that are sent from core network control surface network element
Local gateway business configured information is got in conversion message, then judges that business is local gateway business.
Alternatively, wireless access network element, it is additionally operable to when getting local gateway business configured information, from core network control
The mobility information of user equipment is obtained in tunnel building message or tunnel conversion message that veil member processed is sent；
Wherein, the mobility information of the user equipment (UE) includes at least one of following information：UE motion state letter
Breath, UE motion velocity information, application type information.
Alternatively, wireless access network element, for determining whether business is local gateway business, in addition to following at least one
Kind：
After radio bearer foundation, if getting LAN in the packet header of the upstream data bag sent from user equipment (UE)
Pass business configured information, then judge that business is local gateway business；Or
After radio bearer foundation, examined by the upstream data bag sent to the user equipment (UE) received using deep packet
Survey DPI and carry out business identification to determine whether business is local gateway business；Or
After radio bearer foundation, if getting application name in the packet header of the upstream data bag sent from user equipment (UE)
Claim information, then according to Apply Names acquisition of information to application message, carry out business identification according to application message is to determine business
No is local gateway business；Wherein, wireless access network element gets Apply Names and correspondingly from business application server in advance
Application message.
Alternatively, application message includes at least one of following information：Type of service, application protocol, business datum amount, hold
Continuous time, delay variation.
Alternatively, local gateway be on geographical position close to user equipment (UE) gateway, be delay sensitive business or
Business based on mobile edge calculations MEC provides service.
Alternatively, the wireless access network element includes following at least one：Transmission node, the enode b of enhancing.
A kind of data transmission method of above-described embodiment offer, device and system, wireless access network element determine that business is
No is local gateway business, after it is determined that business is local gateway business, determines the data transfer mould of the local gateway business
Formula.By by data processing function flexible deployment, being effectively guaranteed the Qos demands of business, while business meets following net
The demand of network virtualization of function.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits, accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, can also use the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
It should be noted that the present invention can also have other various embodiments, without departing substantially from of the invention spiritual and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation according to the present invention, but these are corresponding
Change and deform the protection domain that should all belong to appended claims of the invention.
Claims (31)
1. a kind of data transmission method, this method include：
Wireless access network element determines whether business is local gateway business；
Wireless access network element determines the data transfer mould of the local gateway business after it is determined that business is local gateway business
Formula.
2. the method as described in claim 1, it is characterised in that：
The data-transmission mode includes：Single channel transmission mode or channel transmission pattern.
3. the method as described in claim 1, it is characterised in that methods described also includes：
Wireless access network element notifies the data-transmission mode of the local gateway business to user equipment.
4. the method as described in claim 1, it is characterised in that：
The wireless access network element determines whether business is local gateway business, including：
During radio bearer is established, if the wireless access network element is from the tunnel that core network control surface network element is sent
Establish in message or tunnel conversion message and get local gateway business configured information, then judge that business is local gateway business.
5. method as claimed in claim 4, it is characterised in that：
When getting local gateway business configured information, methods described also includes the wireless access network element：It is described wireless
User equipment is obtained in tunnel building message or tunnel conversion message that access network elements are sent from core network control surface network element
Mobility information；
Wherein, the mobility information of the user equipment includes at least one of following information：The motion state letter of user equipment
Breath, the motion velocity information of user equipment, application type information.
6. method as claimed in claim 4, it is characterised in that：
The wireless access network element determines whether business is local gateway business, in addition to following at least one：
After radio bearer foundation, if getting local gateway industry in the packet header of the upstream data bag sent from user equipment (UE)
Business configured information, then judge that business is local gateway business；Or
After radio bearer foundation, deep-packet detection is used by the upstream data bag sent to the user equipment (UE) received
DPI carries out business identification to determine whether business is local gateway business；Or
After radio bearer foundation, if getting Apply Names letter in the packet header of the upstream data bag sent from user equipment (UE)
Breath, then according to Apply Names acquisition of information to application message, according to application message carry out business identify with determine business whether be
Local gateway business；Wherein, wireless access network element in advance from business application server get Apply Names and it is corresponding should
Use information.
7. method as claimed in claim 6, it is characterised in that：
Application message includes at least one of following information：Type of service, application protocol, business datum amount, duration, time delay
Shake.
8. method as claimed in claim 2, it is characterised in that：
The multi-channel mode includes any one data transfer mode in following (a)~(c)：
(a) user plane anchor point performs routing function, by data distribution to different transmission nodes；
(b) user plane anchor point performs at least one of route, data sectional, cascade function, by data distribution to different biographies
Defeated node；
(c) user plane anchor point performs at least one of route, data sectional, cascade, priority processing, data dispatch function,
By data distribution to different transmission nodes.
9. such as the method any one of claim 1-8, it is characterised in that：
It is the business of delay sensitive or based on mobile edge close to the gateway of user equipment (UE) on geographical position that local gateway, which is,
The business for calculating MEC provides service.
10. such as the method any one of claim 1-8, it is characterised in that：
The wireless access network element includes following at least one：Transmission node, the enode b of enhancing.
11. a kind of data transmission method, this method include：
Core network control surface network element receives the conversation request message that user equipment is initiated；
Core network control surface network element selects according to the information included in the conversation request message from local gateway and default gateway
Select a kind of gateway of gateway as transmission data.
12. method as claimed in claim 11, it is characterised in that：
Included in the conversation request message：The mobility information of traffic type information and/or user equipment.
13. method as claimed in claim 12, it is characterised in that：
The mobility information of the user equipment includes at least one of following information：The movement state information of user equipment, use
Motion velocity information, the application type information of family equipment.
14. method as claimed in claim 11, it is characterised in that methods described also includes：
When the gateway selected is local gateway, core network control surface network element sends tunnel building to wireless access network element and disappeared
Cease, local gateway business configured information, and/or the mobility information of user equipment are carried in the tunnel building message.
15. method as claimed in claim 14, it is characterised in that：
The local gateway business configured information is indicated by the way of explicitly or implicitly；
Wherein, the local gateway business configured information is represented by the way of explicit, including：Using a local gateway business
Indication information element or the indication information element that a low time delay is included in Qos information；
Wherein, the local gateway business configured information is represented by the way of implicit, including：The local is included in the message
The address information of gateway.
16. method as claimed in claim 11, it is characterised in that methods described also includes：
When the non-local gateway of core network control surface network element initial selected is as gateway, if the time delay based on data transfer afterwards
Or the load of data transfer determines to need to substitute the non-local gateway with local gateway, then initiates meeting to the local gateway
Words are established, and initiate tunnel conversion to the wireless access network element, local gateway business is carried in the tunnel conversion message
Configured information, and/or the mobility information of user equipment.
17. a kind of data transmission device, applied to wireless access network element, including：
Service identification module, for determining whether business is local gateway business；
Data-transmission mode determining module, for after it is determined that business is local gateway business, determining the local gateway business
Data-transmission mode.
18. device as claimed in claim 17, it is characterised in that：
The data-transmission mode includes：Single channel transmission mode or channel transmission pattern.
19. device as claimed in claim 18, it is characterised in that：
The multi-channel mode includes any one data transfer mode in following (a)~(c)：
(a) user plane anchor point performs routing function, by data distribution to different transmission nodes；
(b) user plane anchor point performs at least one of route, data sectional, cascade function, by data distribution to different biographies
Defeated node；
(c) user plane anchor point performs at least one of route, data sectional, cascade, priority processing, data dispatch function,
By data distribution to different transmission nodes.
20. device as claimed in claim 17, it is characterised in that described device also includes：
Notification module, for the data-transmission mode of the local gateway business to be notified to user equipment.
21. method as claimed in claim 17, it is characterised in that：
Service identification module, for determining whether business is local gateway business, including：
During radio bearer is established, if the tunnel building message or tunnel conversion that are sent from core network control surface network element
Local gateway business configured information is got in message, then judges that business is local gateway business.
22. device as claimed in claim 21, it is characterised in that：
Service identification module, it is additionally operable to when getting local gateway business configured information, is sent from core network control surface network element
Tunnel building message or tunnel conversion message in obtain user equipment mobility information；
Wherein, the mobility information of the user equipment includes at least one of following information：The motion state letter of user equipment
Breath, the motion velocity information of user equipment, application type information.
23. device as claimed in claim 21, it is characterised in that：
Service identification module, for determining whether business is local gateway business, in addition to following at least one：
After radio bearer foundation, if getting local gateway industry in the packet header of the upstream data bag sent from user equipment (UE)
Business configured information, then judge that business is local gateway business；Or
After radio bearer foundation, deep-packet detection is used by the upstream data bag sent to the user equipment (UE) received
DPI carries out business identification to determine whether business is local gateway business；Or
After radio bearer foundation, if getting Apply Names letter in the packet header of the upstream data bag sent from user equipment (UE)
Breath, then according to Apply Names acquisition of information to application message, according to application message carry out business identify with determine business whether be
Local gateway business；Wherein, wireless access network element in advance from business application server get Apply Names and it is corresponding should
Use information.
24. device as claimed in claim 23, it is characterised in that：
Application message includes at least one of following information：Type of service, application protocol, business datum amount, duration, time delay
Shake.
25. a kind of data transmission device, applied to core network control surface network element, including：
Receiving module, for receiving the conversation request message of user equipment initiation；
Gateway selecting module, for being selected according to the information included in the conversation request message from local gateway and default gateway
Select a kind of gateway of gateway as transmission data.
26. device as claimed in claim 25, it is characterised in that：
Included in the conversation request message：The mobility information of traffic type information and/or user equipment.
27. device as claimed in claim 26, it is characterised in that：
The mobility information of the user equipment includes at least one of following information：The movement state information of user equipment, use
Motion velocity information, the application type information of family equipment.
28. device as claimed in claim 25, it is characterised in that described device also includes：
Sending module, for when the gateway selected is local gateway, tunnel building message to be sent to wireless access network element,
Local gateway business configured information, and/or the mobility information of user equipment are carried in the tunnel building message.
29. device as claimed in claim 28, it is characterised in that：
The local gateway business configured information is indicated by the way of explicitly or implicitly；
Wherein, the local gateway business configured information is represented by the way of explicit, including：Using a local gateway business
Indication information element or the indication information element that a low time delay is included in Qos information；
Wherein, the local gateway business configured information is represented by the way of implicit, including：The local is included in the message
The address information of gateway.
30. device as claimed in claim 28, it is characterised in that：
Sending module, it is additionally operable to when the non-local gateway of initial selected is as gateway, if the time delay based on data transfer afterwards
Or the load of data transfer determines to need to substitute the non-local gateway with local gateway, then initiates meeting to the local gateway
Words are established, and initiate tunnel conversion to the wireless access network element, local gateway business is carried in the tunnel conversion message
Configured information, and/or the mobility information of user equipment.
31. a kind of data transmission system, including the wireless access network element any one of claim 17-24, Yi Jiquan
Profit requires the core network control surface network element any one of 25-30.
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| CN201610652444.2A CN107734517A (en) | 2016-08-10 | 2016-08-10 | A kind of data transmission method, device and system |
| PCT/CN2017/095816 WO2018028498A1 (en) | 2016-08-10 | 2017-08-03 | Data transmission method, apparatus and system |
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| CN201610652444.2A CN107734517A (en) | 2016-08-10 | 2016-08-10 | A kind of data transmission method, device and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110166518A (en) * | 2018-11-14 | 2019-08-23 | 腾讯科技（深圳）有限公司 | Transmission method, device, storage medium and the electronic device of session information |
| CN110620716A (en) * | 2018-06-19 | 2019-12-27 | 华为技术有限公司 | Data transmission method, related device and system |
| CN110876147A (en) * | 2018-09-04 | 2020-03-10 | 大众汽车有限公司 | Method and device for predicting service quality of communication, vehicle and background server |
| CN111194051A (en) * | 2018-11-14 | 2020-05-22 | 华为技术有限公司 | Transmission path configuration method and device |
| CN112312435A (en) * | 2020-11-02 | 2021-02-02 | 中国联合网络通信集团有限公司 | Method and device for configuring connection data of wireless access network equipment |
| CN112449367A (en) * | 2019-08-28 | 2021-03-05 | 中国联合网络通信集团有限公司 | Data transmission method and core network equipment |
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| WO2020048339A1 (en) * | 2018-09-04 | 2020-03-12 | Oppo广东移动通信有限公司 | Method and apparatus for displaying service identifier, electronic device, and storage medium |
| CN110087254A (en) * | 2019-04-10 | 2019-08-02 | 广州宏新通信科技有限公司 | A kind of identification system merged with communication network and method |
| CN111565423B (en) * | 2020-04-01 | 2023-05-30 | 中国联合网络通信集团有限公司 | Traffic data processing method and device |
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| CN102056136B (en) * | 2009-10-28 | 2014-04-09 | 中兴通讯股份有限公司 | Tunnel updating method and system in communication system supporting local IP access |
| CN107437985B (en) * | 2011-02-18 | 2023-10-13 | 华为技术有限公司 | Method and base station for establishing evolved packet system bearer |
-
2016
- 2016-08-10 CN CN201610652444.2A patent/CN107734517A/en active Pending
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2017
- 2017-08-03 WO PCT/CN2017/095816 patent/WO2018028498A1/en active Application Filing
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| CN110620716A (en) * | 2018-06-19 | 2019-12-27 | 华为技术有限公司 | Data transmission method, related device and system |
| CN110620716B (en) * | 2018-06-19 | 2021-10-01 | 华为技术有限公司 | Data transmission method, related device and system |
| CN110876147A (en) * | 2018-09-04 | 2020-03-10 | 大众汽车有限公司 | Method and device for predicting service quality of communication, vehicle and background server |
| CN110166518A (en) * | 2018-11-14 | 2019-08-23 | 腾讯科技（深圳）有限公司 | Transmission method, device, storage medium and the electronic device of session information |
| CN111194051A (en) * | 2018-11-14 | 2020-05-22 | 华为技术有限公司 | Transmission path configuration method and device |
| WO2020098747A1 (en) * | 2018-11-14 | 2020-05-22 | 华为技术有限公司 | Transmission path configuration method and apparatus |
| CN112449367A (en) * | 2019-08-28 | 2021-03-05 | 中国联合网络通信集团有限公司 | Data transmission method and core network equipment |
| CN112449367B (en) * | 2019-08-28 | 2023-05-26 | 中国联合网络通信集团有限公司 | Data transmission method and core network equipment |
| CN112312435A (en) * | 2020-11-02 | 2021-02-02 | 中国联合网络通信集团有限公司 | Method and device for configuring connection data of wireless access network equipment |
| CN112312435B (en) * | 2020-11-02 | 2023-06-23 | 中国联合网络通信集团有限公司 | Configuration method and device for connection data of wireless access network equipment |
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| Publication number | Publication date |
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| WO2018028498A1 (en) | 2018-02-15 |
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