CN104219712B - Data transmission method and equipment - Google Patents
Data transmission method and equipment Download PDFInfo
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- CN104219712B CN104219712B CN201310216181.7A CN201310216181A CN104219712B CN 104219712 B CN104219712 B CN 104219712B CN 201310216181 A CN201310216181 A CN 201310216181A CN 104219712 B CN104219712 B CN 104219712B
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Abstract
A kind of data transmission method of offer of the embodiment of the present invention and equipment.A kind of method includes：When data to be transmitted packet is small data packets, by the data to be transmitted encapsulation in radio resource control RRC message, the small data packets are the data packet that data volume is less than the data packet of pre-determined threshold or is identified by deep-packet detection DPI；Send the RRC information.Technical solution of the present invention transmits small data packets by RRC information, can solve user plane bearer and connect the problems such as frequently rebuilding the signaling storm brought, reduction network performance with RRC.
Description
Technical field
The present embodiments relate to the communication technology more particularly to a kind of data transmission method and equipment.
Background technology
In order to reduce power consumption and the network load of terminal device, long term evolution（Long Term Evolution, referred to as
LTE）System introduces discontinuous reception（Discontinuous Reception, referred to as DRX）Technology, the principle of the technology
It is：If within a certain period of time without data transmission, just by user plane bearer and wireless heterogeneous networks（Radio Resource
Control, referred to as RRC）The resources such as connection discharge.With the rapid growth and many " always online " of intelligent terminal quantity
The appearance of class application program will produce a large amount of frequent small data packets.Since the data packet of all application programs is all not added with differentiation,
It is all transmitted by the default bearing of user plane or dedicated bearer, therefore a large amount of frequent small data packets may cause just
The user plane bearer of release and various signaling connections re-establish, this not only without playing the advantage of DRX, can give network instead
A large amount of signaling storm is brought, network performance has been dropped.
Invention content
A kind of data transmission method of offer of the embodiment of the present invention and equipment, to solve in the prior art because transmitting small data
It wraps and causes signaling storm, reduces the problem of network performance.
First aspect present invention provides a kind of data transmission method, including：
When data to be transmitted packet is small data packets, the data to be transmitted encapsulation is disappeared in radio resource control RRC
In breath, the small data packets refer to the number that data volume is less than the data packet of pre-determined threshold or is identified by deep-packet detection DPI
According to packet；
Send the RRC information.
With reference to first aspect, described by the data to be transmitted in the first possible realization method of first aspect
Encapsulation includes in RRC information：
If preset cache-time not yet terminates, the data to be transmitted packet is cached；
After the cache-time, all data to be transmitted cached in the cache-time encapsulating is attached to institute
It states in RRC information.
Second aspect of the present invention provides a kind of data transmission method, including：
Base station is when upstream data packet to be transmitted is small data packets, by the upstream data encapsulation to be transmitted upper
In row non access stratum NAS message, the small data packets refer to that data volume is less than the data packet of pre-determined threshold or is examined by deep packet
Survey the data packet that DPI is identified；
The uplink NAS message is sent to mobile management entity MME by the base station, and the uplink NAS message is for supplying
The MME establishes the general packet radio service GPRS Tunnel Protocol GTP-U of the user level between the MME and gateway device
Tunnel, and the upstream data packet to be transmitted is sent to by the gateway device by the tunnels GTP-U.
In conjunction with second aspect, in the first possible realization method of second aspect, the base station is on to be transmitted
Row data packet be small data packets when, by the upstream data encapsulation to be transmitted in uplink NAS message before, including：
The base station receives the uplink RRC information that user equipment is sent, and is waited for described in acquisition from the uplink RRC information
The upstream data packet of transmission, the upstream data packet to be transmitted are that the user equipment is determining the upper line number to be transmitted
According to packet the base station is sent to be encapsulated into the uplink RRC information when small data packets.
In conjunction with the possible realization method of the first of second aspect or second aspect, second in second aspect can
In the realization method of energy, the above method further includes：
The base station receives the downlink NAS message that the MME is sent, and the downlink NAS message includes downlink to be transmitted
Data packet, it is small data packets that the downlink data packet to be transmitted, which is the gateway device in the downlink data packet to be transmitted,
When by the tunnels GTP-U be sent to the MME's.
In conjunction with second of possible realization method of second aspect, in the third possible realization method of second aspect
In, the above method further includes：
The downlink data packet to be transmitted is encapsulated in downlink RRC information by the base station；
The downlink RRC information is sent to the user equipment by the base station.
Third aspect present invention provides a kind of data transmission method, including：
Mobile management entity MME receives the uplink non access stratum NAS message that base station is sent, and the uplink NAS message includes
Upstream data packet to be transmitted, the upstream data packet to be transmitted are that the base station is in the upstream data packet to be transmitted
It is encapsulated into when small data packets in the uplink NAS message and is sent to the MME, the small data packets refer to that data volume is less than in advance
The data packet of gating limit or the data packet identified by deep-packet detection DPI；
The MME establishes the tunnels general packet radio service GPRS of the user level between the MME and gateway device
The tunnels agreement GTP-U, and the upstream data packet to be transmitted is sent to by the gateway device by the tunnels GTP-U.
In conjunction with the third aspect, in the first possible realization method of the third aspect, the above method further includes：
The MME receives the gateway device when downlink data packet to be transmitted is small data packets, passes through the GTP-U
The downlink data packet to be transmitted that tunnel is sent；
The downlink data packet to be transmitted is encapsulated in downlink NAS message by the MME, and the downlink NAS is disappeared
Breath is sent to the base station.
Fourth aspect present invention provides a kind of data transmission set, including：
Package module is used for when data to be transmitted packet is small data packets, by the data to be transmitted encapsulation wireless
In resources control RRC information, the small data packets refer to that data volume is less than the data packet of pre-determined threshold or passes through deep-packet detection
The data packet that DPI is identified；
Sending module, the RRC information being packaged into for sending the package module.
In conjunction with fourth aspect, in the first possible realization method of fourth aspect, the package module is specifically used for
When data to be transmitted packet is small data packets, if preset cache-time not yet terminates, the data to be transmitted packet is carried out
All data to be transmitted cached in the cache-time encapsulating is attached to described by caching after the cache-time
In RRC information.
Fifth aspect present invention provides a kind of base station, including：
Package module is used for when upstream data packet to be transmitted is small data packets, by the upstream data to be transmitted
For encapsulation in uplink non access stratum NAS message, the small data packets refer to the data packet or logical that data volume is less than pre-determined threshold
Cross the data packet that deep-packet detection DPI is identified；
Sending module, for the uplink NAS message to be sent to mobile management entity MME, the uplink NAS message is used
In the general packet radio service GPRS Tunnel Protocol for establishing the user level between the MME and gateway device for the MME
The tunnels GTP-U, and the upstream data packet to be transmitted is sent to by the gateway device by the tunnels GTP-U.
In conjunction with the 5th aspect, in the first possible realization method of the 5th aspect, above-mentioned base station further includes：
First receiving module is used for the upstream data encapsulation to be transmitted in the package module in uplink NAS
Before in message, the uplink RRC information that user equipment is sent is received；
Acquisition module, it is described to be transmitted for being obtained from the uplink RRC information that first receiving module receives
Upstream data packet, the upstream data packet to be transmitted is that the user equipment is determining the upstream data packet to be transmitted
It is sent to the base station to be encapsulated into when small data packets in the uplink RRC information.
In conjunction with the first possible realization method of the 5th aspect or the 5th aspect, second at the 5th aspect can
In the realization method of energy, above-mentioned base station further includes：
Second receiving module, the downlink NAS message sent for receiving the MME, the downlink NAS message includes to be passed
Defeated downlink data packet, the downlink data packet to be transmitted are that the gateway device is in the downlink data packet to be transmitted
It is sent to the MME's by the tunnels GTP-U when small data packets.
In conjunction with second of possible realization method of the 5th aspect, in the third possible realization method of the 5th aspect
In, the package module is additionally operable to the downlink data packet to be transmitted being encapsulated in downlink RRC information；
The sending module is additionally operable to the downlink RRC information being sent to the user equipment.
Sixth aspect present invention provides a kind of mobile management entity MME, including：
Receiving module, the uplink non access stratum NAS message for receiving base station transmission, the uplink NAS message include waiting for
The upstream data packet of transmission, it is small that the upstream data packet to be transmitted, which is the base station in the upstream data packet to be transmitted,
It is encapsulated into when data packet in the uplink NAS message and is sent to the MME, the small data packets refer to data volume less than default
The data packet of thresholding or the data packet identified by deep-packet detection DPI；
Module is established, the general packet radio service for establishing the user level between the MME and gateway device
The tunnels GPRS Tunnel Protocol GTP-U；
The upstream data packet to be transmitted is sent to the gateway by sending module for passing through the tunnels GTP-U
Equipment.
In conjunction with the 6th aspect, in the first possible realization method of the 6th aspect, the receiving module is additionally operable to connect
The gateway device is received when downlink data packet to be transmitted is small data packets, by being waited for described in the tunnels GTP-U transmission
The downlink data packet of transmission；
The sending module is additionally operable to the downlink data packet to be transmitted being encapsulated in downlink NAS message, and by institute
It states downlink NAS message and is sent to the base station.
The data transmission method and equipment that one aspect of the present invention provides, the data packet transmitted between the user equipment and base station
For small data packets when, by data to be transmitted encapsulation in RRC information, the RRC information is then sent, since RRC information exists
It can be transmitted by SRB1 or SRB2 in the presence of RRC connections, and in the absence of RRC connections, it can be passed by SRB0
It is defeated, user plane bearer need not be re-established and connected with RRC, therefore, user can be solved based on RRC information transmission small data packets
Face carrying is connected with RRC frequently rebuilds the signaling storm brought, reduces the problems such as network performance.
The data transmission method and equipment that other aspects of the present invention provide, the data packet transmitted between base station and gateway device
For small data packets when, mobile management entity and gateway device establish the general packet radio service GPRS Tunnel Protocol of user level
The tunnels GTP-U, base station is transmitted based on the NAS message between base station and mobile management entity, and mobile management entity is based on
The tunnels GTP-U between mobile management entity and gateway device are transmitted, and are on the one hand solved between base station and gateway device
The transmission of small data packets, on the other hand with base station compared with the foundation in the tunnels GTP-U between gateway device, mobile management entity with
The process that the tunnels GTP-U are established between gateway device is simple, and Signalling exchange will lack, and therefore, can solve base station and be set with gateway
The problems such as frequently rebuilding the signaling storm brought, reduction network performance of the tunnels GTP-U between standby.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow chart of data transmission method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another data transmission method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another data transmission method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another data transmission method provided in an embodiment of the present invention；
Fig. 5 is the flow chart of another data transmission method provided in an embodiment of the present invention；
Fig. 6 is the flow chart of another data transmission method provided in an embodiment of the present invention；
Fig. 7 is the flow chart of another data transmission method provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of data transmission set provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another data transmission set provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of another base station provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of another base station provided in an embodiment of the present invention；
Figure 13 is a kind of structural schematic diagram of MME provided in an embodiment of the present invention；
Figure 14 is the structural schematic diagram of another kind MME provided in an embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of flow chart of data transmission method provided in an embodiment of the present invention.As shown in Figure 1, the method packet
It includes：
101, described by the data to be transmitted encapsulation in RRC information when data to be transmitted packet is small data packets
Small data packets refer to that data volume is less than the data packet of pre-determined threshold or passes through deep-packet detection（Deep Packet
Inspection, referred to as DPI）The data packet identified.
102, the RRC information is sent.
In the present embodiment, work as user equipment（User Equipment, referred to as UE）It needs to transmit between base station small
It when data packet, also to be re-established upon discharge in order to avoid user plane bearer is connected with RRC, determine that data to be transmitted packet is
When small data packets, the transmission of small data packets is carried out by the RRC information between UE and base station.For RRC information, UE with
When RRC connections between base station are in connection status, it can be transmitted by SRB1 or SRB2, between UE and base station
It when RRC connections are released, can be transmitted by SRB0, without re-establishing RRC connections, therefore, the present embodiment is logical
The small data packets between RRC information transmission UE and base station are crossed, can be solved in the prior art because transmission small data packets need user
Face carrying is connected with RRC frequently rebuilds the signaling storm brought, reduces the problems such as network performance.
Wherein, judge whether data to be transmitted packet is that a kind of plain modes of small data packets includes：Judge data to be transmitted
Whether the data volume of packet is less than pre-determined threshold, if it is judged that being yes, it is determined that data to be transmitted packet is small data packets, instead
It, determines data to be transmitted Bao Buwei small data packets, can be transmitted according to existing transmission mode.Illustrate herein, in order to carry
Height determine data to be transmitted packet whether be small data packets accuracy, in addition to judging whether the data volume of data to be transmitted packet is less than
Except pre-determined threshold, it further can be combined with the technologies such as DPI and judged, then also belonged to by the data packet that DPI is identified
Small data packets described in various embodiments of the present invention.
In an optional embodiment, including by a kind of embodiment of the data to be transmitted encapsulation in RRC information：
When data to be transmitted packet is small data packets, if preset cache-time not yet terminates, the data to be transmitted packet is carried out
All data to be transmitted cached in the cache-time encapsulating is attached to described by caching after the cache-time
In RRC information.In this embodiment, by presetting cache-time, cache-time not yet at the end of, it would be desirable at this
The small data packets being transmitted in cache-time（That is data to be transmitted packet）It is cached, then after cache-time, one
And all data to be transmitted cached in the cache-time encapsulating is attached in RRC information and is transmitted.Preferably
In, a RRC information can carry multiple small data packets to be transmitted, can reduce the number of transmission RRC information in this way, favorably
In saving Internet resources.
In embodiments of the present invention, the RRC information can be already existing various RRC informations in the prior art, example
These already existing RRC informations can be such as extended, expand new cell（Information Element, referred to as
IE）, data to be transmitted packet is carried by new IE.For example, in conjunction with the small data packets of existing most common three kinds of forms, point
It is not the control information based on text protocol, the heartbeat data packets of control information and application layer based on binary form, it can be with
Three IE are extended to existing RRC information, are respectively used to carry the control information based on text protocol, the control based on binary form
The heartbeat data packets of information and application layer processed.Illustrate herein, the embodiment of the present invention is not limited to expand to the extension of existing RRC information
Open up this modes of IE.Alternatively, the RRC information can also be newly-increased to be different from existing already present RRC information.
The data transfer mode that above-described embodiment provides is not only suitable for UE and transmits upstream data packet to base station, is also applied for base
It stands and transmits downlink data packet to UE.It will illustrate respectively below.
When UE needs to transmit upstream data packet to base station, UE can pass through traffic flow template（Traffic Flow
Template, referred to as TFT）Or deep-packet detection（Deep Packet Inspection, referred to as DPI）It identifies to be passed
Whether defeated upstream data packet is small data packets.After identifying that upstream data packet to be transmitted is small data packets, UE will be to be passed
Defeated upstream data encapsulating is attached in RRC information, and RRC information is sent base station.Wherein, if RRC connections between UE and base station
In connection status, then UE can use SRB1 or SRB2 to transmit the RRC information；If the RRC connection quilts between UE and base station
It discharges, then UE can transmit the RRC information, the signaling procedure that can be established in this way to avoid RRC connections using SRB0.Except above-mentioned
It, can be directly by be passed if data to be transmitted packet has built up by the corresponding carrying of TFT mappings except situation
Transmission of data packet is corresponding to be carried to transmit the data to be transmitted packet.
When base station need to UE transmit downlink data packet when, base station can be identified by TFT or DPI it is to be transmitted under
Whether row data packet is small data packets.After identifying that downlink data packet to be transmitted is small data packets, base station will be to be transmitted
Downlink data packet is encapsulated into RRC information, and RRC information is sent UE.Wherein, connect if the RRC connections between base station and UE are in
State is connect, then base station can use SRB1 or SRB2 to transmit the RRC information；If the RRC connections between base station and UE are released,
Then base station can transmit the RRC information, the signaling procedure that can be established in this way to avoid RRC connections using SRB0.
Fig. 2 is the flow chart of another data transmission method provided in an embodiment of the present invention.As shown in Fig. 2, the method
Including：
201, base station is when upstream data packet to be transmitted is small data packets, by the upstream data encapsulation to be transmitted
In uplink Non-Access Stratum（Non-Access Stratum, referred to as NAS）In message, the small data packets refer to that data volume is less than
The data packet of pre-determined threshold or the data packet identified by DPI.
202, the uplink NAS message is sent to mobile management entity by base station（Mobility Management
Entity, referred to as MME）, the uplink NAS message for the MME for establishing the user between the MME and gateway device
The general packet radio service of level（GeneralPacketRadioService, referred to as GPRS）Tunnel protocol（GPRS
Tunnelling Protocol for the User Plane, referred to as GTP-U）Tunnel, and will by the tunnels GTP-U
The upstream data packet to be transmitted is sent to the gateway device.
In the present embodiment, the gateway device can be gateway（Serving Gateway, referred to as SGW）Or
Packet data network gateway（Packet Data Network Gateway, referred to as PGW）.
In the prior art, between the gateway device in base station and core net, by between base station and gateway device
The tunnels GTP-U carry out data transmission, which is mainly used for user plane data transfer.After the tunnels GTP-U are released,
If needing to carry out data transmission between base station and gateway device, need to re-establish the tunnels GTP-U, if there is a large amount of decimals
It needs to transmit according to packet, it will cause the frequent reconstructions in the tunnels GTP-U, will also result in signaling storm, reduce network performance.For this
Problem, this gives a kind of transmission methods being suitable for small data packets between base station and gateway device.
In the present embodiment, after the tunnels GTP-U between base station and gateway device are released, if base station is needed to gateway
Equipment transmits upstream data packet, then judges whether upstream data packet to be transmitted is small data packets, such as may determine that be transmitted
The data volume of upstream data packet whether less than preset thresholding then judge upper line number to be transmitted if it is judged that being yes
It is small data packets according to packet, or identification can be detected by DPI, when identifying the upstream data packet by DIP, determines
The upstream data packet is small data packets；When it is small data packets to judge upstream data packet to be transmitted, base station will be to be transmitted on
Then uplink NAS message is sent to MME by row packet encapsulation in uplink NAS message.MME is receiving uplink NAS message
Afterwards, upstream data packet to be transmitted is therefrom obtained, knows that base station has upstream data packet to be transferred to gateway device, then, is established
To the tunnels GTP-U of gateway device, the upstream data packet to be transmitted for coming from base station is sent out by the tunnels GTP-U established
Give gateway device.
Wherein, the process in the tunnels GTP-U that MME is established between MME and gateway device can be initiated by MME, can also
It is to be initiated by gateway device.It is illustrated so that MME initiates the process in the tunnels GTP-U established between MME and gateway device as an example,
The process includes：MME initiates carrying and establishes request message to gateway device, which establishes the carrying list in request message can
To carry one or more carrying informations for needing to establish.The information each carried includes carrying ID, IP, MME TEID, QoS etc.
Parameter.Gateway device receives after the carrying establishes request message, and the foundation carried returns response messages after foundation to MME, should
The list of failure is successfully established and established in response message comprising carrying.For the carrying being successfully established, carrying is included in list
The information such as ID, IP, GW TEID.For establishing the carrying of failure, carrying id information is included in list.
Wherein, uplink NAS message is a kind of signaling message between base station and MME, is mainly used for transmission control plane signaling.
Uplink NAS message in the embodiment of the present invention can be already existing uplink NAS message in the prior art, such as can be right
These already existing uplink NAS messages are extended, and expand new IE, and upstream data to be transmitted is carried by new IE
Packet.For example, in conjunction with the small data packets of existing most common three kinds of forms, i.e., control information based on this paper agreements is based on
The control information of binary form and the heartbeat data packets of application layer can extend existing uplink NAS message three IE, respectively
Heartbeat data packets for carrying the control information based on text protocol, control information and application layer based on binary form.
Illustrate herein, the embodiment of the present invention is not limited to extension this modes of IE to the extension of existing uplink NAS message.Alternatively, described
Uplink NAS message can also be newly-increased different from existing already present uplink NAS message.
In the present embodiment, when the tunnels GTP-U for being used for transmission user face data between base station and gateway device are released
Afterwards, when base station needs to transmit upstream data packet to gateway device, and upstream data packet to be transmitted is small data packets, base station is not
The foundation in the tunnels GTP-U is re-started with gateway device, but will be to be transmitted by the uplink NAS message between base station and MME
Upstream data packet be sent to MME, make the foundation in the tunnels GTP-U that MME initiates between MME and gateway device, due to base station
With the tunnels GTP-U between gateway device establish process compared with, the foundation in the tunnels GTP-U between MME and gateway device
The network element that journey is related to will lack, and realization is relatively easy, and Signalling exchange will lack, and therefore, can solve base station and net to a certain extent
Close frequently rebuilding the signaling storm brought, reducing the problems such as network performance for the tunnels GTP-U between equipment.
In an optional embodiment, base station needs the upstream data packet transmitted to gateway device to come from UE.Then it is based on
Embodiment illustrated in fig. 2, as shown in figure 3, the method includes before step 201：
200, base station receives the uplink RRC information that UE is sent, and obtains from the uplink RRC information described to be transmitted
Upstream data packet；The upstream data packet to be transmitted is that the UE is determining that the upstream data packet to be transmitted is small data
It is encapsulated into when packet in the uplink RRC information and is sent to the base station.
Judge whether upstream data packet to be transmitted is small data packets about UE, and is determining the uplink to be transmitted
When data packet is small data packets, the detailed process that upstream data packet to be transmitted is sent to base station can be found in by RRC information
The description of embodiment illustrated in fig. 1, details are not described herein.
Further, other than base station needs to transmit upstream data packet to gateway device, gateway device is also required to base station
Transmit downlink data packet.After the tunnels GTP-U between base station and gateway device are released, if gateway device needs to pass to base station
When defeated downlink data packet, downlink data packet to be transmitted can be sent to by the tunnels GTP-U between MME and gateway device
The downlink data packet to be transmitted is sent to base station by MME by MME by the downlink NAS message between MME and base station.
Based on this, it is based on embodiment illustrated in fig. 3, as shown in figure 4, the method can also include：
203, base station receives the downlink NAS message that the MME is sent, and the downlink NAS message includes downlink to be transmitted
Data packet, the downlink data packet to be transmitted are that gateway device is logical when the downlink data packet to be transmitted is small data packets
The tunnels GTP-U crossed between MME and gateway device are sent to MME's.
Wherein, downlink NAS message is a kind of signaling message between MME and base station, is mainly used for transmission control plane signaling.
Downlink NAS message in the embodiment of the present invention can be already existing downlink NAS message in the prior art, such as can be right
These already existing downlink NAS messages are extended, and expand new IE, and downlink data to be transmitted is carried by new IE
Packet.For example, in conjunction with the small data packets of existing most common three kinds of forms, i.e., control information based on this paper agreements is based on
The control information of binary form and the heartbeat data packets of application layer can extend existing downlink NAS message three IE, respectively
Heartbeat data packets for carrying the control information based on text protocol, control information and application layer based on binary form.
Illustrate herein, the embodiment of the present invention is not limited to extension this modes of IE to the extension of existing downlink NAS message.Alternatively, described
Downlink NAS message can also be newly-increased different from existing already present downlink NAS message.
Further alternative, coming from the downlink data packet of gateway device may need base station to be transmitted to UE, then is based on Fig. 4
Illustrated embodiment, as shown in figure 5, the method can also include after step 203：
204, the downlink data packet to be transmitted is encapsulated in downlink RRC information by base station, and the downlink RRC is disappeared
Breath is sent to UE.
About base station the downlink data packet to be transmitted be small data packets when, will be to be transmitted by RRC information under
The detailed process that row data packet is sent to UE can be found in the description of embodiment illustrated in fig. 1, and details are not described herein.
Fig. 6 is the flow chart of another data transmission method provided in an embodiment of the present invention.As shown in fig. 6, the method
Including：
601, MME receives the uplink NAS message that base station is sent, and the uplink NAS message includes upstream data to be transmitted
Packet, the upstream data packet to be transmitted are that the base station is encapsulated into when the upstream data packet to be transmitted is small data packets
Be sent to the MME in the uplink NAS message, the small data packets refer to data volume be less than pre-determined threshold data packet or
The data packet identified by DPI.
602, MME establishes the tunnels GTP-U between the MME and gateway device, and will be described by the tunnels GTP-U
Upstream data packet to be transmitted is sent to the gateway device.
In the present embodiment, the gateway device can be SGW or PGW.
In the prior art, between the gateway device in base station and core net, by between base station and gateway device
The tunnels GTP-U carry out data transmission, which is mainly used for user plane data transfer.After the tunnels GTP-U are released,
If needing to carry out data transmission between base station and gateway device, need to re-establish the tunnels GTP-U, if there is a large amount of decimals
It needs to transmit according to packet, it will cause the frequent reconstructions in the tunnels GTP-U, will also result in signaling storm, reduce network performance.For this
Problem, this gives a kind of transmission methods being suitable for small data packets between base station and gateway device.
After the tunnels GTP-U between base station and gateway device are released, if base station needs to transmit uplink to gateway device
Data packet then judges whether upstream data packet to be transmitted is small data packets, such as may determine that upstream data packet to be transmitted
Data volume whether less than preset thresholding then judge that upstream data packet to be transmitted is small data if it is judged that being yes
Packet, or identification can be detected by DPI, when identifying the upstream data packet by DIP detections, determine line number on this
It is small data packets according to packet；When it is small data packets to judge upstream data packet to be transmitted, base station is by upstream data packet to be transmitted
It is encapsulated in uplink NAS message, uplink NAS message is then sent to MME.MME receives the uplink NAS message that base station is sent,
Upstream data packet to be transmitted is therefrom obtained, knows that base station has upstream data packet to be transferred to gateway device, then, establishes and arrives net
The upstream data packet to be transmitted for coming from base station, is sent to by the tunnels GTP-U for closing equipment by the tunnels GTP-U established
Gateway device.
Wherein, the process in the tunnels GTP-U that MME is established between MME and gateway device includes：
Wherein, uplink NAS message is a kind of signaling message between base station and MME, is mainly used for transmission control plane signaling.
Uplink NAS message in the embodiment of the present invention can be already existing uplink NAS message in the prior art, such as can be right
These already existing uplink NAS messages are extended, and expand new IE, and upstream data to be transmitted is carried by new IE
Packet.For example, in conjunction with the small data packets of existing most common three kinds of forms, i.e., control information based on this paper agreements is based on
The control information of binary form and the heartbeat data packets of application layer can extend existing uplink NAS message three IE, respectively
Heartbeat data packets for carrying the control information based on text protocol, control information and application layer based on binary form.
Illustrate herein, the embodiment of the present invention is not limited to extension this modes of IE to the extension of existing uplink NAS message.Alternatively, described
Uplink NAS message can also be newly-increased different from existing already present uplink NAS message.
In the present embodiment, when the tunnels GTP-U for being used for transmission user face data between base station and gateway device are released
Afterwards, when base station needs to transmit upstream data packet to gateway device, and upstream data packet to be transmitted is small data packets, base station is not
The foundation in the tunnels GTP-U is re-started with gateway device, but will be to be transmitted by the uplink NAS message between base station and MME
Upstream data packet be sent to MME, and MME initiates the GTP-U between MME and gateway device after receiving uplink NAS message
The foundation in tunnel, due to base station with the tunnels GTP-U between gateway device establish process compared with, MME and gateway device it
Between the tunnels GTP-U establish the network element that process is related to and to lack, realize relatively easy, Signalling exchange will lack, therefore, in certain journey
Frequently rebuilding the signaling storm brought, reducing internetworking for the tunnels GTP-U between base station and gateway device can be solved on degree
The problems such as energy.
Further, as shown in fig. 7, the method further includes：
603, MME receives the gateway device when downlink data packet to be transmitted is small data packets, passes through the GTP-U
The downlink data packet to be transmitted that tunnel is sent；
604, the downlink data packet to be transmitted is encapsulated in downlink NAS message by MME, and the downlink NAS is disappeared
Breath is sent to the base station.
Other than base station needs to transmit upstream data packet to gateway device, gateway device is also required to transmit downlink to base station
Data packet.After the tunnels GTP-U between base station and gateway device are released, if gateway device needs to transmit lower line number to base station
When according to packet, downlink data packet to be transmitted can be sent to MME by the tunnels GTP-U between MME and gateway device, by
MME is sent to base station by the downlink NAS message between MME and base station, by the downlink data packet to be transmitted.
In the present embodiment, when the tunnels GTP-U for being used for transmission user face data between base station and gateway device are released
Afterwards, when gateway device needs to transmit downlink data packet to base station, and downlink data packet to be transmitted is small data packets, gateway is set
The standby foundation that the tunnels GTP-U are not re-started with base station, but by the tunnels GTP-U between MME by downlink to be transmitted
Data packet is sent to MME, and MME is sent to after receiving downlink NAS message by the downlink NAS message between base station
Base station, due to base station with the tunnels GTP-U between gateway device establish process compared with, between MME and gateway device
The tunnels GTP-U are established the network element that process is related to and to be lacked, and realize relatively easy, and Signalling exchange will lack, therefore, to a certain extent
Can solve the tunnels GTP-U between base station and gateway device frequently rebuilds the signaling storm brought, reduction network performance etc.
Problem.
Fig. 8 is a kind of structural schematic diagram of data transmission set provided in an embodiment of the present invention.As shown in figure 8, described set
It is standby to include：Package module 81 and sending module 82.
Package module 81 is used for when data to be transmitted packet is small data packets, by the data to be transmitted encapsulation in RRC
In message, the small data packets refer to the data packet that data volume is less than the data packet of pre-determined threshold or is identified by DPI.
Sending module 82 is connect with package module 81, the RRC information being packaged into for sending package module 81.
In an optional embodiment, package module 81 is particularly used in when data to be transmitted packet is small data packets, such as
The preset cache-time of fruit not yet terminates, and the data to be transmitted packet is cached, will be after the cache-time
All data to be transmitted encapsulating cached in the cache-time is attached in the RRC information.
Data transmission set provided in this embodiment can be UE, for transmitting uplink decimal to base station by RRC information
According to packet.Alternatively, data transmission set provided in this embodiment can also be base station, for transmitting downlink to UE by RRC information
Small data packets.
Each function module of data transmission set provided in this embodiment can be used for executing data transmission method shown in Fig. 1
Flow, concrete operating principle repeat no more, and refer to the flow of embodiment of the method.
Data transmission set provided in this embodiment, when data to be transmitted packet is small data packets, by data to be transmitted packet
Be encapsulated in RRC information, then send the RRC information, due to RRC information in the presence of RRC connections can by SRB1 or
SRB2 is transmitted, and in the absence of RRC connections, it can be transmitted by SRB0, user plane bearer need not be re-established
It is connected with RRC, therefore, can solve user plane bearer based on RRC information transmission small data packets and connect with RRC frequently reconstruction to bring
Signaling storm, reduce network performance the problems such as.
Fig. 9 is the structural schematic diagram of another data transmission set provided in an embodiment of the present invention.As shown in figure 9, described
Equipment includes：Processor 91 and transmitter 92.
Processor 91, for when data to be transmitted packet is small data packets, the data to be transmitted encapsulation to be disappeared in RRC
In breath, the small data packets refer to the data packet that data volume is less than the data packet of pre-determined threshold or is identified by DPI.
In realization, the processor 91 of the present embodiment can be a central processing unit（Central Processing
Unit, referred to as CPU）Or specific integrated circuit（Application Specific Integrated Circuit, letter
Referred to as ASIC）, or be arranged to implement one or more integrated circuits of the embodiment of the present invention.
Transmitter 92, the RRC information being packaged into for sending processor 91.
In an optional embodiment, processor 91 is particularly used in when data to be transmitted packet is small data packets, if
Preset cache-time not yet terminates, and the data to be transmitted packet is cached, will be in institute after the cache-time
All data to be transmitted encapsulating cached in cache-time is stated to be attached in the RRC information.
As shown in figure 9, the data transmission set further includes：Memory 93.Memory 93, for storing program.Specifically
Ground, program may include program code, and said program code includes computer-managed instruction.
Optionally, processor 91, which is particularly used in, executes the program that memory 93 stores, to realize above-mentioned function, but it is unlimited
In this.
In realization, the memory 93 of the present embodiment can include high-speed RAM memory, can also include non-volatile deposit
Reservoir（non-volatile memory）, a for example, at least magnetic disk storage.
Further, as shown in figure 9, the data transmission set further includes：Receiver 94.Receiver 94 and 92 phase of transmitter
Cooperation is mainly responsible for the communication completed between the data transmission set and other equipment.In realization, receiver 94 and transmitting
Device 92 can be the various communication modules on the data transmission set, such as radio frequency（Radio Frequency, referred to as RF）
Module, Wireless Fidelity（Wireless Fidelity, referred to as WiFi）Module etc..
Optionally, in specific implementation, if processor 91, transmitter 92, memory 93 and the independent realization of receiver 94,
Then processor 91, transmitter 92, memory 93 and receiver 94 can be connected with each other by bus and complete mutual communication.
The bus can be industry standard architecture（Industry Standard Architecture, referred to as ISA）Bus,
External equipment interconnection（Peripheral Component, referred to as PCI）Bus or extended industry-standard architecture
（Extended Industry Standard Architecture, referred to as EISA）Bus etc..The bus can be divided into ground
Location bus, data/address bus, controlling bus etc..For ease of indicating, only indicated with a thick line in Fig. 9, it is not intended that only one
Root bus or a type of bus.
Optionally, in specific implementation, if processor 91, transmitter 92, memory 93 and receiver 94 are integrated in one
Realized on block chip, then processor 91, transmitter 92, memory 93 and receiver 94 can be completed by internal interface it is identical between
Communication.
Data transmission set provided in this embodiment can be UE, for transmitting uplink decimal to base station by RRC information
According to packet.Alternatively, data transmission set provided in this embodiment can also be base station, for transmitting downlink to UE by RRC information
Small data packets.
Data transmission set provided in this embodiment can be used for executing the flow of data transmission method shown in Fig. 1, specific
Operation principle repeats no more, and refers to the flow of embodiment of the method.
Data transmission set provided in this embodiment, when data to be transmitted packet is small data packets, by data to be transmitted packet
Be encapsulated in RRC information, then send the RRC information, due to RRC information in the presence of RRC connections can by SRB1 or
SRB2 is transmitted, and in the absence of RRC connections, it can be transmitted by SRB0, user plane bearer need not be re-established
It is connected with RRC, therefore, can solve user plane bearer based on RRC information transmission small data packets and connect with RRC frequently reconstruction to bring
Signaling storm, reduce network performance the problems such as.
Figure 10 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention.As shown in Figure 10, the base station includes：
Package module 1001 and sending module 1002.
Package module 1001 is used for when upstream data packet to be transmitted is small data packets, by the uplink to be transmitted
Data envelope is mounted in uplink NAS message, and the small data packets refer to that data volume is less than the data packet of pre-determined threshold or passes through DPI
The data packet identified.
Sending module 1002 is connect with package module 1001, the uplink NAS message for package module 1001 to be packaged into
It is sent to MME, the uplink NAS message is used to establish the tunnels GTP-U between the MME and gateway device for the MME, and
The upstream data packet to be transmitted is sent to the gateway device by the tunnels GTP-U.
In an optional embodiment, as shown in figure 11, the base station further includes：First receiving module 1003 and acquisition mould
Block 1004.
First receiving module 1003 is used for the upstream data encapsulation to be transmitted in package module 1001 in uplink
Before in NAS message, the uplink RRC information that UE is sent is received.
Acquisition module 1004 is connect with the first receiving module 1003, described in being received from the first receiving module 1003
The upstream data packet to be transmitted is obtained in uplink RRC information, the upstream data packet to be transmitted is the UE in determination
The upstream data packet to be transmitted is encapsulated into the uplink RRC information when being small data packets and is sent to the base station.It obtains
Modulus block 1004 is also connect with package module 1001, for providing the data to be transmitted packet to package module 1001.
In an optional embodiment, as shown in figure 11, the base station further includes：Second receiving module 1005.
Second receiving module 1005, the downlink NAS message sent for receiving the MME, the downlink NAS message include
Downlink data packet to be transmitted, the downlink data packet to be transmitted are the gateway devices in the downlink data to be transmitted
It is sent to the MME's by the tunnels GTP-U when packet is small data packets.
Based on above-mentioned, package module 1001 is also connect with the second receiving module 1005, for by the second receiving module 1005
The downlink data packet to be transmitted received is encapsulated in downlink RRC information.Correspondingly, sending module 1002 is additionally operable to institute
It states downlink RRC information and is sent to the UE.
Each function module of base station provided in this embodiment can be used for executing the stream of data transmission method shown in Fig. 2-Fig. 5
Journey, concrete operating principle repeat no more, and refer to the description of embodiment of the method.
Base station provided in this embodiment, when the data packet transmitted between gateway device is small data packets, MME and gateway
Equipment establishes the tunnels GTP-U, and base station is transmitted based on the NAS message between base station and MME, and MME is set based on MME with gateway
The tunnels GTP-U between standby are transmitted, and on the one hand solve the transmission of small data packets between base station and gateway device, another party
The mistake in the tunnels GTP-U is established in face with base station compared with the foundation in the tunnels GTP-U between gateway device, between MME and gateway device
Journey is simple, and Signalling exchange will lack, and therefore, can solve the frequent reconstruction band in the tunnels GTP-U between base station and gateway device
Come signaling storm, reduce network performance the problems such as.
Figure 12 is the structural schematic diagram of another base station provided in an embodiment of the present invention.As shown in figure 12, the base station packet
It includes：Processor 1201 and transmitter 1202.
Processor 1201 is used for when upstream data packet to be transmitted is small data packets, by the upper line number to be transmitted
According to encapsulation in uplink NAS message, the small data packets refer to that data volume is less than the data packet of pre-determined threshold or is known by DPI
The data packet not gone out.
In realization, the processor 1201 of the present embodiment can be a CPU or specific ASIC, or by with
It is set to the one or more integrated circuits for implementing the embodiment of the present invention.
Transmitter 1202, the uplink NAS message for processor 1201 to be packaged into are sent to MME, and the uplink NAS disappears
Breath is used to establish the tunnels GTP-U between the MME and gateway device for the MME, and will be described by the tunnels GTP-U
Upstream data packet to be transmitted is sent to the gateway device.
Further, as shown in figure 12, the base station further includes：Receiver 1203.
Receiver 1203 is used for the upstream data encapsulation to be transmitted in processor 1201 in uplink NAS message
In before, receive UE send uplink RRC information.
Based on this, processor 1201 be additionally operable to by the upstream data encapsulation to be transmitted in uplink NAS message
Before, the upstream data packet to be transmitted is obtained from the uplink RRC information that receiver 1203 receives.It is described to be transmitted
Upstream data packet to be the UE be encapsulated into the uplink RRC when determining that the upstream data packet to be transmitted is small data packets
The base station is sent in message.
In an optional embodiment, receiver 1203 is additionally operable to receive the downlink NAS message that the MME is sent, described
Downlink NAS message includes downlink data packet to be transmitted, and the downlink data packet to be transmitted is the gateway device described
It is sent to the MME's by the tunnels GTP-U when downlink data packet to be transmitted is small data packets.
Based on above-mentioned, processor 1201 is additionally operable to the downlink data encapsulation to be transmitted for receiving receiver 1203
In downlink RRC information.Correspondingly, transmitter 1202 is additionally operable to the downlink RRC information being sent to the UE.
Further, as shown in figure 12, the base station further includes：Memory 1204.Memory 1204, for storing program.
Specifically, program may include program code, and said program code includes computer-managed instruction.
Optionally, processor 1201, which is particularly used in, executes the program that memory 1204 stores, to realize above-mentioned function, but
It is without being limited thereto.
In realization, the memory 1204 of the present embodiment can include high-speed RAM memory, it is also possible to further include non-volatile
Property memory（non-volatile memory）, a for example, at least magnetic disk storage.
Optionally, in specific implementation, if processor 1201, transmitter 1202, receiver 1203 and memory 1204
Independent to realize, then processor 1201, transmitter 1202, receiver 1203 and memory 1204 can be connected with each other simultaneously by bus
Complete mutual communication.The bus can be isa bus, pci bus or eisa bus etc..The bus can be divided into ground
Location bus, data/address bus, controlling bus etc..For ease of indicating, only indicated with a thick line in Figure 12, it is not intended that only one
Root bus or a type of bus.
Optionally, in specific implementation, if processor 1201, transmitter 1202, receiver 1203 and memory 1204
Integrated to realize on one chip, then processor 1201, transmitter 1202, receiver 1203 and memory 1204 can be by interior
Portion's interface completes identical communication.
Base station provided in this embodiment can be used for executing the flow of data transmission method shown in Fig. 2-Fig. 5, specific works
Principle repeats no more, and refers to the description of embodiment of the method.
Base station provided in this embodiment, when the data packet transmitted between gateway device is small data packets, MME and gateway
Equipment establishes the tunnels GTP-U, and base station is transmitted based on the NAS message between base station and MME, and MME is set based on MME with gateway
The tunnels GTP-U between standby are transmitted, and on the one hand solve the transmission of small data packets between base station and gateway device, another party
The mistake in the tunnels GTP-U is established in face with base station compared with the foundation in the tunnels GTP-U between gateway device, between MME and gateway device
Journey is simple, and Signalling exchange will lack, and therefore, can solve the frequent reconstruction band in the tunnels GTP-U between base station and gateway device
Come signaling storm, reduce network performance the problems such as.
Figure 13 is a kind of structural schematic diagram of MME provided in an embodiment of the present invention.As shown in figure 13, the MME includes：It connects
It receives module 1301, establish module 1302 and sending module 1303.
Receiving module 1301, the uplink NAS message for receiving base station transmission, the uplink NAS message includes to be transmitted
Upstream data packet, it is small data that the upstream data packet to be transmitted, which is the base station in the upstream data packet to be transmitted,
It is encapsulated into when packet in the uplink NAS message and is sent to the MME, the small data packets refer to that data volume is less than pre-determined threshold
Data packet or the data packet that is identified by DPI.
Module 1302 is established, is connect with receiving module 1301, is disappeared for receiving the uplink NAS in receiving module 1301
After breath, the tunnels GTP-U between the MME and gateway device are established.
Sending module 1303, and establishes module 1302 and receiving module 1301 is connect, for being built by establishing module 1302
The upstream data packet to be transmitted that receiving module 1301 receives is sent to the gateway and set by the vertical tunnels GTP-U
It is standby.
In an optional embodiment, receiving module 1301 is additionally operable to receive the gateway device in lower line number to be transmitted
According to packet be small data packets when, pass through the tunnels GTP-U send the downlink data packet to be transmitted.
Correspondingly, sending module 1303 is additionally operable to the downlink data packet to be transmitted being encapsulated in downlink NAS message,
And the downlink NAS message is sent to the base station.
Each function module of MME provided in this embodiment can be used for executing the stream of data transmission method shown in Fig. 6 and Fig. 7
Journey, concrete operating principle repeat no more, and refer to the description of embodiment of the method.
MME provided in this embodiment, the data packet transmitted between base station and gateway device be small data packets when, by with
Gateway device establishes the tunnels GTP-U so that base station is transmitted based on the NAS message between base station and MME, and MME is based on MME
The tunnels GTP-U between gateway device are transmitted, and on the one hand solve the biography of small data packets between base station and gateway device
It is defeated, GTP-U is on the other hand established between MME and gateway device compared with the foundation in the tunnels GTP-U between gateway device with base station
The process in tunnel is simple, and Signalling exchange will lack, and therefore, can solve the frequency in the tunnels GTP-U between base station and gateway device
It is heavy to build the signaling storm brought, reduce the problems such as network performance.
Figure 14 is the structural schematic diagram of another kind MME provided in an embodiment of the present invention.As shown in figure 14, the MME includes：
Receiver 1401, processor 1402 and transmitter 1403.
Receiver 1401, the uplink NAS message for receiving base station transmission, the uplink NAS message includes to be transmitted
Upstream data packet, it is small data packets that the upstream data packet to be transmitted, which is the base station in the upstream data packet to be transmitted,
When be encapsulated into the uplink NAS message and be sent to the MME, the small data packets refer to that data volume is less than pre-determined threshold
Data packet or the data packet identified by DPI.
Processor 1402, for after receiver 1401 receives the uplink NAS message, establishing the MME and gateway
The tunnels GTP-U between equipment.
In realization, the processor 1402 of the present embodiment can be a CPU or specific ASIC, or by with
It is set to the one or more integrated circuits for implementing the embodiment of the present invention.
Transmitter 1403, the institute that the tunnels GTP-U for being established by processor 1402 receive receiver 1401
It states upstream data packet to be transmitted and is sent to the gateway device.
In an optional embodiment, receiver 1401 is additionally operable to receive the gateway device in downlink data to be transmitted
When packet is small data packets, pass through the downlink data packet to be transmitted of the tunnels GTP-U transmission.
Correspondingly, transmitter 1403 is additionally operable to the downlink data packet to be transmitted being encapsulated in downlink NAS message, and
The downlink NAS message is sent to the base station.
Further, as shown in figure 14, the base station further includes：Memory 1404.Memory 1404, for storing program.
Specifically, program may include program code, and said program code includes computer-managed instruction.
Optionally, processor 1402, which is particularly used in, executes the program that memory 1404 stores, to realize above-mentioned function, but
It is without being limited thereto.
In realization, the memory 1404 of the present embodiment can include high-speed RAM memory, it is also possible to further include non-volatile
Property memory（non-volatile memory）, a for example, at least magnetic disk storage.
Optionally, in specific implementation, if receiver 1401, processor 1402, transmitter 1403 and memory 1404
Independent to realize, then receiver 1401, processor 1402, transmitter 1403 and memory 1404 can be connected with each other simultaneously by bus
Complete mutual communication.The bus can be isa bus, pci bus or eisa bus etc..The bus can be divided into ground
Location bus, data/address bus, controlling bus etc..For ease of indicating, only indicated with a thick line in Figure 14, it is not intended that only one
Root bus or a type of bus.
Optionally, in specific implementation, if receiver 1401, processor 1402, transmitter 1403 and memory 1404
Integrated to realize on one chip, then receiver 1401, processor 1402, transmitter 1403 and memory 1404 can be by interior
Portion's interface completes identical communication.
MME provided in this embodiment can be used for executing the flow of data transmission method shown in Fig. 6 and Fig. 7, specific works
Principle repeats no more, and refers to the description of embodiment of the method.
MME provided in this embodiment, the data packet transmitted between base station and gateway device be small data packets when, by with
Gateway device establishes the tunnels GTP-U so that base station is transmitted based on the NAS message between base station and MME, and MME is based on MME
The tunnels GTP-U between gateway device are transmitted, and on the one hand solve the biography of small data packets between base station and gateway device
It is defeated, GTP-U is on the other hand established between MME and gateway device compared with the foundation in the tunnels GTP-U between gateway device with base station
The process in tunnel is simple, and Signalling exchange will lack, and therefore, can solve the frequency in the tunnels GTP-U between base station and gateway device
It is heavy to build the signaling storm brought, reduce the problems such as network performance.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of data transmission method, which is characterized in that including：
Base station is non-in uplink by the upstream data encapsulation to be transmitted when upstream data packet to be transmitted is small data packets
In access layer NAS message, the small data packets refer to that data volume is less than the data packet of pre-determined threshold or by deep-packet detection DPI
The data packet identified；
The uplink NAS message is sent to mobile management entity MME by the base station, and the uplink NAS message is for described in confession
MME establishes the general packet radio service GPRS Tunnel Protocol GTP-U tunnels of the user level between the MME and gateway device
Road, and the upstream data packet to be transmitted is sent to by the gateway device by the tunnels GTP-U.
2. according to the method described in claim 1, it is characterized in that, the base station upstream data packet to be transmitted be small data
Bao Shi, by the upstream data encapsulation to be transmitted in uplink NAS message before, including：
The base station receives the uplink RRC information that user equipment is sent, and obtains from the uplink RRC information described to be transmitted
Upstream data packet, the upstream data packet to be transmitted is that the user equipment is determining the upstream data packet to be transmitted
It is sent to the base station to be encapsulated into when small data packets in the uplink RRC information.
3. method according to claim 1 or 2, which is characterized in that further include：
The base station receives the downlink NAS message that the MME is sent, and the downlink NAS message includes downlink data to be transmitted
Packet, the downlink data packet to be transmitted are that the gateway device is logical when the downlink data packet to be transmitted is small data packets
It crosses the tunnels GTP-U and is sent to the MME's.
4. according to the method described in claim 3, it is characterized in that, further including：
The downlink data packet to be transmitted is encapsulated in downlink RRC information by the base station；
The downlink RRC information is sent to user equipment by the base station.
5. a kind of data transmission method, which is characterized in that including：
Mobile management entity MME receives the uplink non access stratum NAS message that base station is sent, and the uplink NAS message includes to be passed
Defeated upstream data packet, it is decimal that the upstream data packet to be transmitted, which is the base station in the upstream data packet to be transmitted,
It is encapsulated into the uplink NAS message when according to packet and is sent to the MME, the small data packets refer to that data volume is less than pre- gating
The data packet of limit or the data packet identified by deep-packet detection DPI；
The MME establishes the general packet radio service GPRS Tunnel Protocol of the user level between the MME and gateway device
The tunnels GTP-U, and the upstream data packet to be transmitted is sent to by the gateway device by the tunnels GTP-U.
6. according to the method described in claim 5, it is characterized in that, further including：
The MME receives the gateway device when downlink data packet to be transmitted is small data packets, passes through the tunnels GTP-U
The downlink data packet to be transmitted sent；
The downlink data packet to be transmitted is encapsulated in downlink NAS message by the MME, and the downlink NAS message is sent out
Give the base station.
7. a kind of base station, which is characterized in that including：
Package module, for when upstream data packet to be transmitted is small data packets, the upstream data to be transmitted to be encapsulated
In uplink non access stratum NAS message, the small data packets refer to that data volume is less than the data packet of pre-determined threshold or passes through depth
The data packet that degree packet detection DPI is identified；
Sending module, for the uplink NAS message to be sent to mobile management entity MME, the uplink NAS message is for supplying
The MME establishes the general packet radio service GPRS Tunnel Protocol GTP-U of the user level between the MME and gateway device
Tunnel, and the upstream data packet to be transmitted is sent to by the gateway device by the tunnels GTP-U.
8. according to the base station asked described in claim 7, which is characterized in that further include：
First receiving module is used for the upstream data encapsulation to be transmitted in the package module in uplink NAS message
In before, receive user equipment send uplink RRC information；
Acquisition module, it is described to be transmitted for being obtained from the uplink RRC information that first receiving module receives
Row data packet, the upstream data packet to be transmitted are that the user equipment is determining that the upstream data packet to be transmitted is small
It is encapsulated into when data packet in the uplink RRC information and is sent to the base station.
9. base station according to claim 7 or 8, which is characterized in that further include：
Second receiving module, the downlink NAS message sent for receiving the MME, the downlink NAS message includes to be transmitted
Downlink data packet, it is decimal that the downlink data packet to be transmitted, which is the gateway device in the downlink data packet to be transmitted,
It is sent to the MME's by the tunnels GTP-U according to when packet.
10. base station according to claim 9, which is characterized in that the package module be additionally operable to by it is described it is to be transmitted under
Row packet encapsulation is in downlink RRC information；
The sending module is additionally operable to the downlink RRC information being sent to user equipment.
11. a kind of mobile management entity MME, which is characterized in that including：
Receiving module, the uplink non access stratum NAS message for receiving base station transmission, the uplink NAS message includes to be transmitted
Upstream data packet, it is small data that the upstream data packet to be transmitted, which is the base station in the upstream data packet to be transmitted,
It is encapsulated into when packet in the uplink NAS message and is sent to the MME, the small data packets refer to that data volume is less than pre-determined threshold
Data packet or the data packet that is identified by deep-packet detection DPI；
Module is established, the general packet radio service GPRS tunnels for establishing the user level between the MME and gateway device
The road tunnels agreement GTP-U；
The upstream data packet to be transmitted is sent to the gateway device by sending module for passing through the tunnels GTP-U.
12. MME according to claim 11, which is characterized in that the receiving module is additionally operable to receive the gateway device
When downlink data packet to be transmitted is small data packets, pass through the downlink data to be transmitted of the tunnels GTP-U transmission
Packet；
The sending module is additionally operable to the downlink data packet to be transmitted being encapsulated in downlink NAS message, and will be described under
Row NAS message is sent to the base station.
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| CN201310216181.7A CN104219712B (en) | 2013-06-03 | 2013-06-03 | Data transmission method and equipment |
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|---|---|---|---|---|
| CN106304402B (en) * | 2015-06-03 | 2020-09-04 | 南京中兴软件有限责任公司 | Method and device for transmitting data |
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| CN110351157A (en) * | 2018-04-04 | 2019-10-18 | 大唐移动通信设备有限公司 | A kind of data packet detection method and device |
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| CN113950122A (en) * | 2020-07-17 | 2022-01-18 | 华为技术有限公司 | Communication method and device for accessing and returning integrated IAB (inter-integrated access bus) network |
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| CN102724646A (en) * | 2011-03-30 | 2012-10-10 | 华为技术有限公司 | Method and device for transmitting heartbeat information |
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