CN110072245A - A kind of data transmission method and device - Google Patents
A kind of data transmission method and device Download PDFInfo
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- CN110072245A CN110072245A CN201910223596.4A CN201910223596A CN110072245A CN 110072245 A CN110072245 A CN 110072245A CN 201910223596 A CN201910223596 A CN 201910223596A CN 110072245 A CN110072245 A CN 110072245A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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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
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The problems such as the embodiment of the present application discloses a kind of data transmission method and device, is related to field of communication technology, solves the prior art in host node and auxiliary node packet loss, influences the efficiency of data transmission, and time delay is larger.The specific scheme is that terminal is connect by the first link with first base station, and it is connect by the second link with the second base station, if the data volume that method includes: the data to be transmitted packet of terminal is greater than or equal to preset threshold, by first the first data packet group of link transmission, pass through second the second data packet group of link transmission；First data packet group and the second data packet group respectively include one or more data packets, and the five-tuple information of the data packet in the first data packet group and the data packet in the second data packet group is different.
Description
Technical field
The invention relates to field of communication technology more particularly to a kind of data transmission methods and device.
Background technique
Majority operator selects LTE and NR dual link (E-UTRA-NR Dual Connectivity, EN-DC) to make at present
For the networking mode of dependent networking (Non-Stand Alone, NSA).Terminal works are under EN-DC network, and there are three types
The carrying of type: main plot group (Master Cell Group, MCG) carrying, secondary cell group (Secondary Cell Group,
SCG) carry and separate (Split) carrying.
In EN-DC network, network can give terminal configured threshold value during accessing terminal to network, when terminal passes through
When split carrying transmission data, the quantity that uplink band transmits data packet is greater than or equal to the threshold value, and terminal converges packet data
The data to be transmitted packet of poly- agreement (packet data convergence protocol, PDCP) layer is shunted at random, is made
It obtains a part of data packet to transmit by long term evolution (Long Term Evolution, LTE), another part data packet passes through new
Eat dishes without rice or wine (New Radio, NR) transmission.
As shown in Figure 1, being with transmission control protocol (Transmission Control Protocol, TCP) data flow
Data to be transmitted packet in PDCP layers of NR random shunting, is passed through LTE and NR network transmission by example, terminal respectively.But the program exists
When host node (Master Node, MN) or auxiliary node (Secondary Node, SN) packet loss, influence data transmission efficiency with
Time delay (retransmits) for example, the packet loss of the LTE network in Fig. 1 will lead to two TCP flows.Moreover, the program is in LTE network and NR net
When the propagation delay time difference of network is larger, it is the time that PDCP layers can wait longer when being reordered, and time delay is caused to increase.
Summary of the invention
The embodiment of the present application provides a kind of data transmission method and device, can reduce by the PDCP layers of time delay that reorders, and improves
Data transmission efficiency.
In order to achieve the above objectives, the embodiment of the present application adopts the following technical scheme that
The embodiment of the present application in a first aspect, provide a kind of data transmission method, be applied to a kind of terminal, which passes through
First link is connect with first base station, and is connect with the second base station by the second link, if the above method include: terminal to
The data volume for transmitting data packet is greater than or equal to preset threshold, by above-mentioned the first data packet group of first link transmission, by upper
State second the second data packet group of link transmission；First data packet group and the second data packet group respectively include one or more data
It wraps, the five-tuple information of the data packet in the first data packet group and the data packet in the second data packet group is different.Based on this
Scheme, by the way that same data flow is transmitted on a link, can the PDCP layer at master base station or prothetic group station occur packet loss when,
Only influence certain applications layer data is spread defeated, is reduced the influence to data stream transmitting, is improved data transmission efficiency.
With reference to first aspect, in one possible implementation, above-mentioned first base station for main cell group MCG for providing
Service, above-mentioned second base station be used for supplemented by cell group SCG provide service.It, can will be same under dual link scene based on this programme
One data flow is transmitted on a link.
It is above-mentioned to be transmitted in alternatively possible implementation with reference to first aspect with above-mentioned possible implementation
Data packet is the first protocol layer and second protocol layer data packet to be transmitted of above-mentioned terminal, above-mentioned first data packet group and above-mentioned
Data packet in second data packet group is the first protocol layer data packet to be transmitted of above-mentioned terminal.Based on this programme, Neng Gou
When the data to be transmitted packet of PDCP layers and rlc layer is more than threshold value, by five-tuple information phase in PDCP layers of data packet to be transmitted
Same data packet is transmitted on a link.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, if above-mentioned terminal
For the expired times that reorder within a preset time more than or equal to preset times, which is newly eating dishes without rice or wine for terminal
NR Packet Data Convergence Protocol PDCP reorders the number of timer expiry, the above method further include: according to above-mentioned first base station
With the configured transmission of above-mentioned second base station, target BS is determined；The target BS is above-mentioned first base station and above-mentioned second base station
The middle preferable base station of transmission performance；If the target BS is first base station, to be transmitted by first the first protocol layer of link transmission
Data packet；If target BS is second base station, pass through second the first protocol layer of link transmission data packet to be transmitted.Base
In this programme, can shunt laser propagation effect it is poor when, by transmitted in transmission quality and the preferable base station of transmittability to
Data packet is transmitted, is reordered time delay with reducing PDCP, improve data transfer efficiency.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, the above method is also
If including: target BS is first base station, and the configured transmission of the second base station meets preset condition, passes through the first link transmission the
One data packet group passes through second the second data packet group of link transmission；Alternatively, if target BS is the second base station, and first base station
The configured transmission meet preset condition, by first the first data packet group of link transmission, pass through the second link transmission second
Data packet group；Alternatively, if target BS be first base station, and pass through first the first protocol layer of link transmission data packet to be transmitted
Duration reach the first duration, by first the first data packet group of link transmission, pass through second the second data packet group of link transmission；
Alternatively, if target BS be the second base station, and by second the first protocol layer of link transmission data packet to be transmitted when be up to
Second the second data packet group of link transmission is passed through by first the first data packet group of link transmission to the second duration.Based on we
Case, can be when the base station transmission performance other than target BS be preferable or single-link transmission is when reaching certain time length, starts point
Spread defeated, improve data transfer efficiency.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, above-mentioned transmission is joined
Number includes: one or more parameters in the bit error rate, signal strength, signal-to-noise ratio, signal quality and peak throughput.Based on we
Case can determine the transmission performance and transmission quality of base station by configured transmission.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, if above-mentioned terminal
The expired times that reorder within a preset time are less than preset times, the above method further include: pass through the first link transmission first
Data packet group passes through second the second data packet group of link transmission.Based on this programme, can shunt laser propagation effect it is preferable when, after
It is continuous that PDCP layers of data packet to be transmitted are subjected to shunting transmission.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, above-mentioned five-tuple
Information includes: source address, source port number, destination address, destination slogan and protocol type.It, can by source based on this programme
Location, source port number, destination address, destination slogan and protocol type data packet all the same are transmitted on a link.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, the above method is also
If including: that the data volume of above-mentioned data to be transmitted packet is less than above-mentioned preset threshold, pass through the first link or the second link transmission the
One protocol layer data packet to be transmitted.Based on this programme, can PDCP layers and rlc layer data packet to be transmitted data volume not
When more than threshold value, PDCP layers of data packet to be transmitted are only transmitted on a link, which can be terminal and master base station
Between link.
The second aspect of the embodiment of the present application provides a kind of data transmission device, which passes through the first link and first
Base station connection, and connect by the second link with the second base station, which includes: processing unit and communication unit, the processing
Unit passes through the by communication unit if the data volume of the data to be transmitted packet for the device is greater than or equal to preset threshold
One the first data packet group of link transmission passes through second the second data packet group of link transmission；First data packet group and the second data packet
Group respectively includes one or more data packets, and the five of the data packet in the first data packet group and the data packet in the second data packet group
Tuple information is different.
It should be noted that in some embodiments, which can be an independent component, which can be end
A component in end equipment.Wherein, processing unit can be the processor of the component, and communication unit can be the logical of the component
Believe interface.
In some embodiments, which may be chip, which can be the core run in terminal device
Piece.Wherein, processing unit can be the processor of the chip, and communication unit can be the communication interface of the chip, as: chip
Pin.
In some embodiments, which can also be terminal device.Wherein, processing unit can be the processing of the device
Device, communication unit can be the transceiver of the device.
In conjunction with second aspect, in one possible implementation, above-mentioned first base station for main cell group MCG for providing
Service, above-mentioned second base station be used for supplemented by cell group SCG provide service.
It is above-mentioned to be transmitted in alternatively possible implementation in conjunction with second aspect and above-mentioned possible implementation
Data packet is the first protocol layer and second protocol layer data packet to be transmitted of above-mentioned apparatus, above-mentioned first data packet group and above-mentioned
Data packet in second data packet group is the first protocol layer data packet to be transmitted of above-mentioned apparatus.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, if above-mentioned apparatus
For the expired times that reorder within a preset time more than or equal to preset times, which is the new of described device
NR Packet Data Convergence Protocol of eating dishes without rice or wine PDCP reorders the number of timer expiry, and above-mentioned processing unit is also used to: according to first
The configured transmission of base station and the second base station, determines target BS；The target BS is transporting in first base station and the second base station
It can preferable base station；It is to be passed by first the first protocol layer of link transmission by communication unit if target BS is first base station
Defeated data packet；It is to be transmitted by second the first protocol layer of link transmission by communication unit if target BS is the second base station
Data packet.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, above-mentioned processing list
Member is also used to: if above-mentioned target BS is first base station, and the configured transmission of above-mentioned second base station meets preset condition, passes through
Above-mentioned communication unit passes through the second link transmission second by first the first data packet group of link transmission, by above-mentioned communication unit
Data packet group；Alternatively, if above-mentioned target BS is the second base station, and the above-mentioned configured transmission of above-mentioned first base station meets default item
Part is passed through above-mentioned by above-mentioned communication unit by above-mentioned the first data packet group of first link transmission by above-mentioned communication unit
Second the second data packet group of link transmission；Alternatively, and passing through above-mentioned first link transmission if above-mentioned target BS is first base station
The duration of above-mentioned first protocol layer data packet to be transmitted reaches the first duration, passes through above-mentioned first chain by above-mentioned communication unit
The first data packet group is transmitted on road, passes through above-mentioned the second data packet group of second link transmission by above-mentioned communication unit；Alternatively, on if
Stating target BS is the second base station, and passes through the duration of the above-mentioned first protocol layer data packet to be transmitted of above-mentioned second link transmission
Reach the second duration, by above-mentioned communication unit by above-mentioned the first data packet group of first link transmission, passes through above-mentioned communication unit
Member passes through above-mentioned the second data packet group of second link transmission.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, above-mentioned transmission ginseng
Number includes: one or more parameters in the bit error rate, signal strength, signal-to-noise ratio, signal quality and peak throughput.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, if above-mentioned apparatus
The expired times that reorder within a preset time are less than preset times, and above-mentioned processing unit is also used to: by above-mentioned communication unit
By above-mentioned the first data packet group of first link transmission, above-mentioned the second data of second link transmission are passed through by above-mentioned communication unit
Package.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, above-mentioned five-tuple
Information includes: source address, source port number, destination address, destination slogan and protocol type.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, above-mentioned processing list
Member is also used to: if the data volume of above-mentioned data to be transmitted packet is less than the preset threshold, being passed through by above-mentioned communication unit above-mentioned
First link or the above-mentioned first protocol layer data packet to be transmitted of above-mentioned second link transmission.
The effect description of the various implementations of above-mentioned second aspect and second aspect can be with reference to first aspect and the
The description of the corresponding effect of the various implementations of one side, details are not described herein.
The third aspect of the embodiment of the present application provides a kind of computer storage medium, deposits in the computer storage medium
Computer program code is contained, when the computer program code is run on a processor, so that the processor executes the
Any data transmission method in the possible implementation of one side or first aspect.
The fourth aspect of the embodiment of the present application provides a kind of computer program product, which stores above-mentioned
The computer software instructions that processor executes, the computer software instructions include the journey for executing the above-mentioned aspect scheme
Sequence.
5th aspect of the embodiment of the present application, provides a kind of device, which exists with the product form of chip, the dress
It include processor and memory in the structure set, which saves the necessary program of the device and refer to for coupling with processor
It enables and data, the processor is used to execute the program instruction stored in memory, so that data in the device execution above method
The function of transmitting device.
Detailed description of the invention
Fig. 1 is a kind of application schematic diagram for data transmission method that the prior art provides；
Fig. 2 is user face configuration diagram in a kind of EN-DC network architecture provided by the embodiments of the present application；
Fig. 3 is a kind of communication scheme of the EN-DC network architecture provided by the embodiments of the present application；
Fig. 4 is user face protocol stack schematic diagram in a kind of EN-DC network architecture provided by the embodiments of the present application；
Fig. 5 is a kind of structural block diagram of device provided by the embodiments of the present application；
Fig. 6 is a kind of flow diagram of data transmission method provided by the embodiments of the present application；
Fig. 7 is a kind of application schematic diagram of data transmission method provided by the embodiments of the present application；
Fig. 8 is the flow diagram of another data transmission method provided by the embodiments of the present application；
Fig. 9 is the flow diagram of another data transmission method provided by the embodiments of the present application；
Figure 10 is a kind of composition schematic diagram of data transmission device provided by the embodiments of the present application；
Figure 11 is the composition schematic diagram of another data transmission device provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.?
In the application, "at least one" refers to one or more, and " multiple " refer to two or more."and/or", description association
The incidence relation of object indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A
And the case where B, individualism B, wherein A, B can be odd number or plural number.It is one that character "/", which typicallys represent forward-backward correlation object,
The relationship of kind "or".At least one of " following (a) " or its similar expression, refer to these in any combination, including individual event
Any combination of (a) or complex item (a).For example, at least one (a) in a, b or c, can indicate: a, b, c, a-b, a-
C, b-c or a-b-c, wherein a, b and c can be individually, be also possible to multiple.
It should be noted that in the application, " illustrative " or " such as " etc. words make example, illustration for indicating or say
It is bright.Described herein as " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as than it
His embodiment or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words be intended to
Related notion is presented in specific ways.
Firstly, part noun involved in the embodiment of the present application is explained:
LTE-NR dual link (E-UTRA-NR Dual Connectivity, EN-DC) network: be 4G wireless access network with
The dual link of 5G NR, the base station 4G are master base station, and supplemented by the base station 5G base station, and master base station is connected with LTE core network, prothetic group station and
Master base station is connected.
NR-LTE dual link (NR-E-UTRA Dual Connectivity, NE-DC) network: being the 4G under 5G core net
The dual link of wireless access network and 5G NR introduces 5G core net, and the base station 4G is master base station, and supplemented by the base station 5G base station, master base station with
5G core net is connected, and by being connected with host node, prothetic group station is sent out by master base station or directly to 5G core net at prothetic group station
Send user face data.
5G core net LTE-NR dual link (Next Generation E-UTRA-NR Dual Connectivity,
NGEN-DC) network: it is the dual link of the 4G wireless access network and 5G NR under 5G core net, introduces 5G core net, the base station 4G
For master base station, base station supplemented by the base station 5G, master base station is connected with 5G core net, and prothetic group station is connected with master base station, and prothetic group station is logical
It crosses master base station or directly sends user face data to 5G core net.
In order to solve the prior art in host node and auxiliary node packet loss, the efficiency of data transmission is influenced, time delay is larger etc.
Problem, the embodiment of the present application provide a kind of data transmission method, can reduce the PDCP layers of time delay that reorders, improve data transfer effect
Rate.
Data transmission method provided by the embodiments of the present application is adapted to the dependent networking (Non- shunted at PDCP layers of NR
Stand Alone, NSA) network architecture, which refers to using existing 4G infrastructure, carries out the portion of 5G network
Administration.For example, the NSA network architecture such as EN-DC network, NE-DC network or NGEN-DC network.Data provided by the embodiments of the present application
The NSA network architecture that transmission method adapts to is not limited to above-mentioned network, is merely illustrative herein.In following embodiments with
For the EN-DC network architecture, data transmission method provided by the embodiments of the present application is illustrated.
Data transmission method provided by the embodiments of the present application is applied to a kind of device, which can be terminal, or setting
Device, chip or baseband chip in terminal, which can be connected to multiple cell sites simultaneously, for example, the device can
To be connected to master base station and at least one prothetic group station simultaneously, when device is connected to a master base station and a prothetic group station, the dress
Deta bearer can be received from least two serving cells of the two base stations by setting.
As shown in Fig. 2, for network side user framework in the EN-DC network architecture, in the EN-DC network, data surface without
Line carrying can be by master base station (Master Evolved Node B, MeNB) or prothetic group station (Secondary Evolved
Node B, SeNB) stand-alone service, it can also be serviced simultaneously by MeNB and SeNB.In the EN-DC network architecture, including three kinds are held
Carry type, be respectively main plot group (MasterCell Group, MCG) carrying, secondary cell group (SecondaryCell Group,
SCG) carry and separate (split) carrying.Split carrying can be MCG Split carrying, be also possible to SCG Split carrying.
As shown in Fig. 2, network side is that MCG configures E-UTRAN PDCP or NR PDCP, but NR PDCP is only under EN-DC scene
SCG and Split carrying can be used to configure.Data transmission method in the embodiment of the present application can be more than pre- in data to be transmitted amount
If when threshold value, being carried out data transmission using separation bearing mode, in the case where separating bearing mode, device can pass through the first link
And/or second link transmission data.It should be noted that master base station MeNB and prothetic group station SeNB in the embodiment of the present application can be with
It is two independent network equipments, also can integrate in a network equipment.
It should be understood that in EN-DC network, in order to avoid PDCP layers of experience of LTE handle bottlenecks, by data distribution and
Polymerizable functional moves to the PDCP layer of the base station 5G, i.e., and NR PDCP layers.
As shown in figure 3, MeNB can be connected to Evolved Packet Core (Evolved Pocket via S1 interface
Core, EPC).For example, MeNB can be connected to gateway (Serving GateWay, SGW) or mobile via S1 interface
Property management entity (Mobility Management Entity, MME), in Fig. 2 by taking MeNB is connected to SGW via S1 interface as an example
It is illustrated.MeNB may include Packet Data Convergence Protocol (packet data convergence protocol, abbreviation
PDCP) layer, wireless spread-spectrum technology (radio link control, abbreviation RLC) layer and media access control (media access
Control, abbreviation MAC) layer, MeNB can be at PDCP layer from gateway reception data and/or control information.For example, data or
Control information can be sent to RLC and MAC layer in MeNB from the PDCP layer in MeNB, the data or control information can be through
The rlc layer in SeNB is sent to from the PDCP layer in MeNB by X2 interface.
Illustratively, the device in the following embodiments of the application can work under dual link mode, pass through the first link
It connect with first base station, and is connect by the second link with the second base station, which can be the master base station in Fig. 2
MeNB, the second base station can be the prothetic group station SeNB in Fig. 2.In EN-DC network, which is the base station 4G, the second base
It stands as the base station 5G.
Illustratively, as shown in Fig. 2, in the dual link field of Long Term Evolution (Long Term Evolution, LTE)
Under scape, data on a radio bearer (Data Radio Bearer carrying user plane data, DRB) can be with
It is converged in the first link and the second link simultaneous transmission, and at PDCP layers of the NR of MCG, alternatively, in PDCP layers of the NR remittance of SCG
Poly-, this embodiment of the present application is not limited thereto.
Fig. 4 is user face protocol stack schematic diagram under a kind of dual link mode provided by the embodiments of the present application, as shown in figure 4,
In data transmission procedure, the transmission of data between device and master base station MeNB and prothetic group station SeNB, can by PDCP layers,
The transmission of rlc layer, MAC layer and physical layer, each layer is for completing different data processings.Wherein, PDCP is mainly pacified
Full operation and compressed and decompressed processing, such as encryption and integrity protection, healthy and strong head compression/robustness header compression (Robust
Header Compression, ROHC) compression and decompression etc.；RLC mainly completes the segmentation cascade of data, sequentially submits, is non-
It sequentially submits and requires to repeat (Automatic Repeat reQuest, ARQ) data transmission guarantee automatically；MAC is mainly complete
At cascade processing and mixed automatic repeat request (the Hybrid Automatic Repeat of scheduling and Different Logic channel
Request, HARQ) operation；Physical layer is completed transmission block and is sent at wrapping and eating dishes without rice or wine.
It will be appreciated that Fig. 4 is only with the data of the first link and the second link transmission at PDCP layers of NR of master base station MeNB
It is illustrated for convergence, in practical application, the data of the first link and the second link transmission can also be prothetic group station SeNB's
PDCP layers of NR convergence, this embodiment of the present application is not limited thereto.
Data transmission method provided in an embodiment of the present invention can be applied to be device 500 shown in Fig. 5, the device 500
The device or terminal device that can be chip, be set in terminal.As shown in figure 5, the device 500 may include at least one
Processor 501, memory 502, transceiver 503 and communication bus 504.
It is specifically introduced below with reference to each component parts of the Fig. 5 to the device:
Processor 501 is the control centre of device, can be a processor, is also possible to the system of multiple processing elements
Claim.For example, processor 501 is a central processing unit (central processing unit, CPU), it is also possible to specific collection
At circuit (Application Specific Integrated Circuit, ASIC), or it is arranged to implement the present invention
One or more integrated circuits of embodiment, such as: one or more microprocessors (digital signal processor,
DSP), or, one or more field programmable gate array (Field Programmable Gate Array, FPGA).
Wherein, processor 501 can be by running or executing the software program being stored in memory 502, and calling
The data being stored in memory 502 execute the various functions of communication equipment.
In concrete implementation, as one embodiment, processor 501 may include one or more CPU, such as Fig. 5
Shown in CPU0 and CPU1.
In the concrete realization, as one embodiment, device may include multiple processors, such as shown in Fig. 5
Manage device 501 and processor 505.Each of these processors can be a single core processor (single-CPU), can also
To be a multi-core processor (multi-CPU).Here processor can refer to one or more communication equipments, circuit, and/or
For handling the processing core of data (such as computer program instructions).
Memory 502 can be read-only memory (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage communication equipment, random access memory (random access memory, RAM) or can deposit
The other kinds of dynamic memory communication equipment for storing up information and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory
(Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, light
Dish, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage communication equipments or can be used in taking
Band or storage have the desired program code of instruction or data structure form and can be by any other Jie of computer access
Matter, but not limited to this.Memory 502, which can be, to be individually present, and is connected by communication bus 504 with processor 501.Memory
502 can also integrate with processor 501.
Wherein, the memory 502 is used to store the software program for executing the present invention program, and is controlled by processor 501
System executes.
Transceiver 503, for the communication between the second equipment.Certainly, transceiver 503 can be also used for and communication network
Communication, such as Ethernet, wireless access network (radio access network, RAN), WLAN (Wireless Local
Area Networks, WLAN) etc..Transceiver 503 may include that receiving unit realizes that receive capabilities and transmission unit are realized
Sending function.
Communication bus 504, can be industry standard architecture (Industry Standard Architecture,
ISA) bus, external communication device interconnection (Peripheral Component, PCI) bus or extended industry-standard architecture
(Extended Industry Standard Architecture, EISA) bus etc..The bus can be divided into address bus,
Data/address bus, control bus etc..Only to be indicated with a thick line convenient for indicating, in Fig. 5, it is not intended that an only bus or
A type of bus.
Communication apparatus construction shown in Fig. 5 does not constitute the restriction to communication equipment, may include than illustrate it is more or
Less component perhaps combines certain components or different component layouts.
In conjunction with Fig. 1-Fig. 5, as shown in fig. 6, the embodiment of the present application provides a kind of data transmission method, this method may include
Step S601-S602.
If the data volume of the data to be transmitted packet of S601, terminal is greater than or equal to preset threshold, pass through the first link transmission
First data packet group, data packet and the second data packet by second the second data packet group of link transmission, in the first data packet group
The five-tuple information of data packet in group is different.
The data to be transmitted packet of above-mentioned terminal is the first protocol layer and second protocol layer data packet to be transmitted.It is exemplary
, which is PDCP layers, which is rlc layer, which is that PDCP layers and rlc layer are to be passed
Defeated data packet.Illustratively, above-mentioned preset threshold is the threshold value of network side configuration.If the PDCP layer and rlc layer of terminal side
The data volume of data packet to be transmitted is more than the threshold value, and terminal can shunt PDCP layers of data packet to be transmitted.
Illustratively, above-mentioned first data packet group and the second data packet group respectively include one or more data packets, this
Data packet in one data packet group and the second data packet group is the first protocol layer data packet to be transmitted.That is the first data packet group and
Data packet in second data packet group is PDCP layers of data packet to be transmitted.
Illustratively, the five-tuple of the data packet in above-mentioned first data packet group and the data packet in the second data packet group is believed
It ceases different.The five-tuple information includes source address, source port number, destination address, destination slogan and protocol type.Due to
The five-tuple information of the same data flow is identical, and the five-tuple information of different data streams is different.Therefore above-mentioned first data
The data flow that package and the second data packet group include is different.As shown in fig. 7, due to TCP flow 1packet1, TCP flow
The five-tuple information of 1packet2 and TCP flow 1packet3 is identical, TCP flow 2packet1, TCP flow 2packet2 and TCP flow
The five-tuple information of 2packet3 is identical, therefore can be by TCP flow 1packet1, TCP flow 1packet2 and TCP flow 1packet3
It is divided into the first data packet group, TCP flow 2packet1, TCP flow 2packet2 and TCP flow 2packet3 are divided into the second data
Package.It is only data to be transmitted stream in Fig. 7 for for two data streams, in practical application, data flow to be transmitted can be for more
Multiple, this embodiment of the present application is not limited thereto.
By first the first data packet group of link transmission in (optional) above-mentioned steps S601, pass through the second link transmission the
Before two data packet groups, the first protocol layer data packet to be transmitted can be divided by the first data packet according to five-tuple information
Group and the second data packet group, and the identical data packet of five-tuple information is divided in the same data packet group.It should be understood that
A data packet group may include multiple data flows in the present embodiment, but the same data flow is divided in a data packet group
In.
(optional) application layer first can be identified the first protocol layer data packet to be transmitted according to five-tuple information,
The first protocol layer data packet to be transmitted that the mark is used to indicate belongs to the first data packet group or the second data packet group, and PDCP layers
After the data flow for receiving application layer transmission, it can be shunted according to the mark of each data packet.
(optional) can also include PDCP layers and receive the data flow that upper layer is sent before step S601.Illustratively,
When terminal is as transmitting terminal, the PDCP layer of terminal can receive the data flow of application layer transmission, which can be to be multiple, often
It may include multiple data packets in a data flow.
Illustratively, above-mentioned steps S601 is by passing through the second link transmission in first the first data packet group of link transmission
Second data packet group, since the first data group is different with the data flow of the second data packet group, step S601 transmits PDCP layers
It is by the same data flow (the identical data packet of five-tuple information) in link (first link when data packet to be transmitted
Or second link) on transmit.
The first link above-mentioned in the EN-DC network architecture can link between terminal and master base station (base station 4G),
Two links can link between terminal and prothetic group station (base station 5G), i.e., above-mentioned first data packet group and the second data packet group can
To be transmitted respectively by LTE network and NR network respectively.
It should be understood that due to the five-tuple of the data packet in the data packet and the second data packet group in the first data packet group
Information is different, therefore respectively in LTE network and NR network transmission, is being by the first data packet group and the second data packet group
The same data flow is transmitted in the same network.
It illustratively, can be at PDCP layers by PDCP layers of data packet (the first data packet to be transmitted when terminal uplink is transmitted
Group and the second data packet group) respectively in LTE network and NR network transmission, and same data flow is shunted when transmission in a network
Middle transmission.Therefore, when packet loss occurs for LTE network, the data flow transmitted in LTE network, the number transmitted in NR network are only influenced
It is not influenced by LTE network packet loss according to stream.
As shown in fig. 7, can transmit TCP flow 1 when transmitting terminal (terminal) uplink by LTE network at PDCP layers, lead to
Cross NR Network Transmission TCP stream 2.If the transmission performance of NR network is good compared with the transmission performance of LTE network, when LTE network (base station 4G)
When packet loss (TCP flow 1packet2 and TCP flow 1packet3) occurs, the TCP flow 1 transmitted in LTE network is only influenced, in NR network
The TCP flow 2 of transmission is not influenced by LTE network packet loss.TCP flow 1 and TCP flow 2 are caused with LTE network packet loss in Fig. 1
Influence is compared, and the certain applications layer data that this programme only influences spreads defeated, only need to retransmit TCP flow 1.It should be understood that this reality
Example is applied by transmitting same data flow on a link, can when packet loss occurs for the PDCP layer at master base station or prothetic group station,
Only influence certain applications layer data is spread defeated, compared with the existing technology, is reduced the influence to data stream transmitting, is improved data
Efficiency of transmission.
(optional) if the data volume of data to be transmitted packet of S602, terminal are less than preset threshold, by the first link or
Second the first protocol layer of link transmission data packet to be transmitted.
Illustratively, when the data volume of the data to be transmitted packet of terminal is less than preset threshold, without shunting transmission, Ke Yi
PDCP layers of data packet to be transmitted are transmitted on first link or the second link.
Illustratively, if the data volume of the data to be transmitted packet of terminal is less than preset threshold, terminal and main base can be passed through
The first protocol layer of link transmission data packet to be transmitted between standing.For example, if first base station is master base station, in step S602
It is to be transmitted by first the first protocol layer of link transmission when the data volume of the data to be transmitted packet of terminal is less than preset threshold
Data packet.If the second base station is master base station, the data volume in step S602 when the data to be transmitted packet of terminal is less than default threshold
When value, pass through second the first protocol layer of link transmission data packet to be transmitted.
The embodiment of the present application provides a kind of data transmission method, if the data volume of the data to be transmitted packet of terminal is greater than or waits
Second the second data packet group of link transmission is passed through by first the first data packet group of link transmission in preset threshold；First data
Package and the second data packet group respectively include one or more data packets, data packet and the second data packet in the first data packet group
The five-tuple information of data packet in group is different.The present embodiment on a link by transmitting same data flow, energy
When packet loss occurs for enough PDCP layers at master base station or prothetic group station, only influence certain applications layer data is spread defeated, with prior art phase
Than reducing the influence to data stream transmitting, improving data transmission efficiency.
The application also provides a kind of data transmission method, as shown in figure 8, can also include step after above-mentioned steps S601
Rapid S603-S606.
S603, terminal determine whether the expired times that reorder of NR PDCP within a preset time are greater than or equal to default time
Number.
Illustratively, when terminal is as receiving end, after the NR PDCP of terminal receives the data packet that lower layer submits, first judge
Whether data packet is in the re-ordering window of PDCP, if the meeting packet discard not in window, if data meeting pair in window
Data are ranked up, and submit data to upper layer after sequence completion or timer expiry.
The above-mentioned NR PDCP that expired times are terminal that reorders reorders the number of timer expiry, i.e. NR PDCP timing
Submit the number of data in the backward upper layer of device time-out.If in preset time, the expired times that reorder of NR PDCP are greater than or equal to pre-
If number, determine that current shunting effect is poor, i.e., the effect for transmitting data respectively using LTE network and NR network is poor, can
Not shunted to data.If in preset time, the expired times that reorder of NR PDCP determine current less than preset times
Shunting effect it is preferable, can continue through LTE network and NR network shunt transmission.
If the expired times that reorder of NR PDCP within a preset time continue to execute step more than or equal to preset times
S604-S605；If the expired times that reorder of NR PDCP within a preset time continue to execute step S606 less than preset times.
If the expired times that reorder of S604, terminal within a preset time are more than or equal to preset times, according to the first base
It stands and the configured transmission of the second base station, determines target BS.
The target BS is the preferable base station of transmission performance in first base station and the second base station, wherein first base station 4G
Base station (master base station), the second base station are the base station 5G (prothetic group station).
The above-mentioned configured transmission according to first base station and the second base station, determines target BS, may include: to compare the first base
It stands and one or more parameters in the bit error rate of the second base station, signal strength, signal quality, signal-to-noise ratio and peak throughput,
Determine that the preferable base station of transmission performance is target BS in first base station and the second base station.For example, the signal quality of first base station
When being higher than the signal quality and signal strength of the second base station with signal strength, the transmission performance of the first base station is preferable, determines the
One base station is target BS.The embodiment of the present application for true target BS specific method and not only to restriction, only show herein
Example property explanation.
If S605, target BS are first base station, pass through first the first protocol layer of link transmission data packet to be transmitted；If
Target BS is the second base station, passes through second the first protocol layer of link transmission data packet to be transmitted.
Illustratively, if step S604 determines that target BS is first base station, illustrate the transmission of current network first base station
Better performances can transmit PDCP layers of data packet to be transmitted in the first link (LTE network)；If step S604 determines target
Base station is the second base station, illustrates that the transmission performance of the second base station of current network is preferable, can be by PDCP layers of data packet to be transmitted
It transmits at the second link (NR network), is reordered time delay with reducing PDCP, improve data transfer efficiency.
It should be understood that this programme can be when shunting laser propagation effect be poor, by transmission quality and transmission energy
Data to be transmitted packet is transmitted in the preferable base station of power, it is possible to reduce PDCP reorders time delay, improve data transfer efficiency.
If the expired times that reorder of S606, terminal within a preset time pass through the first link transmission less than preset times
First data packet group passes through second the second data packet group of link transmission.
Illustratively, if the expired times that reorder of NR PDCP within a preset time can determine and work as less than preset times
The shunting effect of preceding network is preferable, can continue through LTE network and NR network carries out shunting transmission.Specifically, can continue
The first data packet group is transmitted in the lte networks, and the second data packet group is transmitted in NR network.
It should be understood that above-mentioned steps S603-S606 is to detect NR PDCP under the scene for shunting transmission in preset time
The interior expired times that reorder, and determine whether the expired times that reorder are more than preset times, it is single-link transmission with determination
PDCP layers of PDCP layers of data packet to be transmitted of data packet or both links simultaneous transmission to be transmitted.
It should be noted that NR PDCP reorders timer expiry when the present embodiment is by receiving data according to terminal side
Number determines whether carry progress data distribution to separation (Split) when terminal side sends data, can reduce PDCP and reorder
Time delay, improve data transfer efficiency.
The embodiment of the present application provides a kind of data transmission method, if the data volume of the data to be transmitted packet of terminal is greater than or waits
Second the second data packet group of link transmission is passed through by first the first data packet group of link transmission in preset threshold；If terminal exists
The expired times that reorder in preset time are joined more than or equal to preset times according to the transmission of first base station and the second base station
Number, determines target BS；If target BS is first base station, pass through first the first protocol layer of link transmission data to be transmitted
Packet；If target BS is the second base station, pass through second the first protocol layer of link transmission data packet to be transmitted；If terminal is default
The expired times that reorder in time pass through the second link by first the first data packet group of link transmission less than preset times
Transmit the second data packet group.The present embodiment, can be in master base station or prothetic group by transmitting same data flow on a link
When packet loss occurs for the PDCP layer stood, only influence certain applications layer data is spread defeated, compared with prior art, is reduced to data flow
The influence of transmission, improves data transmission efficiency.And NR PDCP reorders timer when by receiving data according to terminal side
Expired times determine whether carry progress data distribution to separation (Split) when terminal side sends data, can reduce PDCP weight
Sort time delay, improve data transfer efficiency.
The embodiment of the present application also provides a kind of data transmission method, as shown in figure 9, may be used also after above-mentioned steps S605
To include step S607.
If S607, target BS are first base station, and the configured transmission of the second base station meets preset condition, passes through the first chain
The first data packet group is transmitted on road, passes through second the second data packet group of link transmission；Alternatively, if target BS be the second base station, and
The configured transmission of first base station meets preset condition, by first the first data packet group of link transmission, passes through the second link transmission
Second data packet group；Alternatively, if target BS be first base station, and pass through first the first protocol layer of link transmission number to be transmitted
Reach the first duration according to the duration of packet, by first the first data packet group of link transmission, passes through second the second data of link transmission
Package；Alternatively, if target BS be the second base station, and by second the first protocol layer of link transmission data packet to be transmitted when
Length reaches the second duration, by first the first data packet group of link transmission, passes through second the second data packet group of link transmission.
Illustratively, if the first protocol layer data packet to be transmitted on a link when transmitting, terminal can be periodical
Detection reference base station (base station other than target BS) configured transmission, such as in signal strength, signal-to-noise ratio and signal quality
One or more parameters, if the configured transmission of reference base station meets preset condition, such as the reference base station signal quality compared with
When good, it can continue to shunt transmission, i.e., by first the first data packet group of link transmission, pass through second the second data of link transmission
Package.
Illustratively, if the duration that the first protocol layer data packet to be transmitted is transmitted on a link reaches preset duration
When, it can start to shunt transmission, i.e., by first the first data packet group of link transmission, pass through second the second data packet of link transmission
Group.And the expired times that reorder of NR PDCP within a preset time are continued to test according to step S603-S606, are divided with determining
The effect of stream.
Data transmission method provided by the embodiments of the present application can pass through one in the first protocol layer data packet to be transmitted
After link transmission is met certain condition, then start to shunt transmission.So as to shunt laser propagation effect it is poor when, by
Data to be transmitted packet is transmitted in transmission quality and the preferable base station of transmittability, is reordered time delay with reducing PDCP.And another
After one base station transmission performance improves, then start to shunt transmission, improve data transfer efficiency.
It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of method and step.It is understood that
It is that in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module for device.Ability
Field technique personnel should be readily appreciated that, module and algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure
Suddenly, the application can be realized with the combining form of hardware and computer software.Professional technician can be to each specific
Using using different methods to achieve the described function, but this realize it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional module according to above method example to computer, for example, can be with
Two or more functions, can also be integrated in a processing module by corresponding each each functional module of function division
In.Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module.It needs
It is noted that be schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
In the case where each function division of use correspondence each functional module, Figure 10 shows involved in above-described embodiment
And data transmission device a kind of possible structural schematic diagram, as shown in Figure 10, which can be for shown in Fig. 5
Device.The data transmission device 1000 includes processing unit 1001 and communication unit 1002.Processing unit 1001, for leading to
It crosses communication unit and executes S601, S603-S606 in step S601-S602, Fig. 8 in Fig. 6, the S607 in Fig. 9, and/or use
In other processes of techniques described herein.It should be noted that all phases for each step that above method embodiment is related to
Hold the function description that can quote corresponding function module inside the Pass, details are not described herein.
Using integrated unit, Figure 11 shows data transmission device involved in above-described embodiment
A kind of possible structural schematic diagram.The data transmission device 1100 includes: processing module 1101 and communication module 1102.Handle mould
Block 1101 is executed for carrying out control management to the movement of data transmission device 1100 for example, executing above-mentioned processing unit 1001
The step of, and/or other processes for executing techniques described herein.Communication module 1102 is for executing above-mentioned communication unit
The step of member 1002 executes supports the interaction between terminal and other equipment, such as friendship between the second base station or the second base station
Mutually.As shown in figure 11, data transmission device 1100 can also include memory module 1103, and memory module 1103 is for storing terminal
Program code and data.When processing module 1101 is processor, communication module 1102 is transceiver, and memory module 1103 is to deposit
When reservoir, the description of all related contents for each component that above-mentioned Fig. 5 is related to can quote the function of Figure 11 corresponding component
Description, details are not described herein.
The step of method in conjunction with described in present disclosure or algorithm can realize in a manner of hardware, can also
It is realized in a manner of being to execute software instruction by processor.Software instruction can be made of corresponding software module, software mould
It is read-only that block can be stored on random access memory (Random Access Memory, RAM), flash memory, erasable programmable
Memory (Erasable Programmable ROM, EPROM), Electrically Erasable Programmable Read-Only Memory (Electrically
EPROM, EEPROM), register, hard disk, mobile hard disk, CD-ROM (CD-ROM) or any other shape well known in the art
In the storage medium of formula.A kind of illustrative storage medium is coupled to processor, to enable a processor to from the storage medium
Information is read, and information can be written to the storage medium.Certainly, storage medium is also possible to the component part of processor.Processing
Device and storage medium can be located in ASIC.In addition, the ASIC can be located in core network interface equipment.Certainly, processor and
Storage medium can also be used as discrete assembly and be present in core network interface equipment.
Those skilled in the art are it will be appreciated that in said one or multiple examples, function described in the invention
It can be realized with hardware, software, firmware or their any combination.It when implemented in software, can be by these functions
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code transmitted.
Computer-readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of one place transmission computer program.Storage medium can be general or specialized computer can access it is any
Usable medium.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all any modification, equivalent substitution, improvement and etc. on the basis of technical solution of the present invention, done should all
Including within protection scope of the present invention.
Claims (19)
1. a kind of data transmission method, which is characterized in that be applied to a kind of terminal, the terminal passes through the first link and the first base
It stands connection, and is connect by the second link with the second base station, which comprises
If the data volume of the data to be transmitted packet of the terminal is greater than or equal to preset threshold, pass through first link transmission the
One data packet group passes through second data packet group of the second link transmission；First data packet group and second data packet
Group respectively includes one or more data packets, the number in data packet and second data packet group in first data packet group
It is different according to the five-tuple information of packet.
2. the method according to claim 1, wherein the first base station is used to provide clothes for main cell group MCG
Business, second base station be used for supplemented by cell group SCG provide service.
3. method according to claim 1 or 2, which is characterized in that the data to be transmitted packet is the first of the terminal
Protocol layer and second protocol layer data packet to be transmitted, the data packet in first data packet group and second data packet group
For the first protocol layer data packet to be transmitted of the terminal.
4. method according to claim 1-3, which is characterized in that if the rearrangement of the terminal within a preset time
Sequence expired times are greater than or equal to preset times, and the expired times that reorder are the NR packet data remittance of newly eating dishes without rice or wine of the terminal
Poly- agreement PDCP reorders the number of timer expiry, the method also includes:
According to the configured transmission of the first base station and second base station, target BS is determined；The target BS is described
The preferable base station of transmission performance in first base station and second base station；
If the target BS is the first base station, pass through first protocol layer of the first link transmission data to be transmitted
Packet；If the target BS is second base station, pass through first protocol layer of the second link transmission data packet to be transmitted.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
If the target BS is first base station, and the configured transmission of second base station meets preset condition, passes through described the
First data packet group described in one link transmission passes through the second data packet group described in second link transmission；Alternatively,
If the target BS is the second base station, and the configured transmission of the first base station meets preset condition, passes through institute
The first data packet group described in the first link transmission is stated, the second data packet group described in second link transmission is passed through；Alternatively,
If the target BS is first base station, and passes through the first protocol layer data to be transmitted described in first link transmission
The duration of packet reaches the first duration, by the first data packet group described in first link transmission, is passed by second link
Defeated second data packet group；Alternatively,
If the target BS is the second base station, and passes through the first protocol layer data to be transmitted described in second link transmission
The duration of packet reaches the second duration, by the first data packet group described in first link transmission, is passed by second link
Defeated second data packet group.
6. method according to claim 4 or 5, which is characterized in that the configured transmission include: the bit error rate, signal strength,
One or more parameters in signal-to-noise ratio, signal quality and peak throughput.
7. method according to claim 1-3, which is characterized in that if the rearrangement of the terminal within a preset time
Sequence expired times are less than preset times, the method also includes:
By first data packet group of the first link transmission, pass through second data packet group of the second link transmission.
8. method according to claim 1-7, which is characterized in that the five-tuple information includes: source address, source
Port numbers, destination address, destination slogan and protocol type.
9. method according to claim 1-8, which is characterized in that the method also includes:
If the data volume of the data to be transmitted packet is less than the preset threshold, pass through first link or second link
Transmit the first protocol layer data packet to be transmitted.
10. a kind of data transmission device, which is characterized in that described device is connect by the first link with first base station, Yi Jitong
The second link to be crossed to connect with the second base station, described device includes: processing unit and communication unit,
The processing unit passes through if the data volume of the data to be transmitted packet for described device is greater than or equal to preset threshold
The communication unit passes through second data packet of the second link transmission by first data packet group of the first link transmission
Group；First data packet group and second data packet group respectively include one or more data packets, first data packet
The five-tuple information of data packet in group and the data packet in second data packet group is different.
11. device according to claim 10, which is characterized in that the first base station for main cell group MCG for providing
Service, second base station be used for supplemented by cell group SCG provide service.
12. device described in 0 or 11 according to claim 1, which is characterized in that the data to be transmitted packet is the of described device
One protocol layer and second protocol layer data packet to be transmitted, the data in first data packet group and second data packet group
Packet is the first protocol layer data packet to be transmitted of described device.
13. the described in any item devices of 0-12 according to claim 1, which is characterized in that if described device is within a preset time
The expired times that reorder are greater than or equal to preset times, and the expired times that reorder are the NR packet count of newly eating dishes without rice or wine of described device
It reorders the number of timer expiry according to convergence protocol PDCP, the processing unit is also used to:
According to the configured transmission of the first base station and second base station, target BS is determined；The target BS is described
The preferable base station of transmission performance in first base station and second base station；
If the target BS is the first base station, first agreement of the first link transmission is passed through by the communication unit
Layer data packet to be transmitted；If the target BS is second base station, second chain is passed through by the communication unit
Transmit the first protocol layer data packet to be transmitted in road.
14. device according to claim 13, which is characterized in that the processing unit is also used to:
If the target BS is first base station, and the configured transmission of second base station meets preset condition, by described logical
Believe that unit by the first data packet group described in first link transmission, is passed by the communication unit by second link
Defeated second data packet group；Alternatively,
If the target BS is the second base station, and the configured transmission of the first base station meets preset condition, passes through institute
Communication unit is stated by the first data packet group described in first link transmission, second chain is passed through by the communication unit
Transmit second data packet group in road；Alternatively,
If the target BS is first base station, and passes through the first protocol layer data to be transmitted described in first link transmission
The duration of packet reaches the first duration, by the communication unit by the first data packet group described in first link transmission, leads to
It crosses the communication unit and passes through the second data packet group described in second link transmission；Alternatively,
If the target BS is the second base station, and passes through the first protocol layer data to be transmitted described in second link transmission
The duration of packet reaches the second duration, by the communication unit by the first data packet group described in first link transmission, leads to
It crosses the communication unit and passes through the second data packet group described in second link transmission.
15. device described in 3 or 14 according to claim 1, which is characterized in that the configured transmission includes: that the bit error rate, signal are strong
One or more parameters in degree, signal-to-noise ratio, signal quality and peak throughput.
16. the described in any item devices of 0-12 according to claim 1, which is characterized in that if described device is within a preset time
The expired times that reorder are less than preset times, and the processing unit is also used to:
By the communication unit by first data packet group of the first link transmission, passed through by the communication unit described
Second the second data packet group of link transmission.
17. the described in any item devices of 0-16 according to claim 1, which is characterized in that the five-tuple information includes: source
Location, source port number, destination address, destination slogan and protocol type.
18. the described in any item devices of 0-17 according to claim 1, which is characterized in that the processing unit is also used to:
If the data volume of the data to be transmitted packet is less than the preset threshold, first chain is passed through by the communication unit
Road or first protocol layer of the second link transmission data packet to be transmitted.
19. a kind of computer storage medium, it is stored with computer program code in the computer storage medium, feature exists
In when the computer program code is run on a processor, so that the processor is executed such as any one of claim 1-9
The data transmission method.
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| CN202110396013.5A CN113163423B (en) | 2019-03-22 | 2019-03-22 | Data transmission method and device |
| CN201910223596.4A CN110072245B (en) | 2019-03-22 | 2019-03-22 | Data transmission method and device |
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| CN201910223596.4A CN110072245B (en) | 2019-03-22 | 2019-03-22 | Data transmission method and device |
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| CN110913434A (en) * | 2019-11-19 | 2020-03-24 | RealMe重庆移动通信有限公司 | Data transmission method, terminal and storage medium |
| CN110933712A (en) * | 2019-11-19 | 2020-03-27 | RealMe重庆移动通信有限公司 | Data transmission method, terminal and storage medium |
| CN111010715A (en) * | 2019-12-11 | 2020-04-14 | 惠州Tcl移动通信有限公司 | Data transmission method, device, storage medium and terminal |
| CN111342863A (en) * | 2020-05-22 | 2020-06-26 | 北京小米移动软件有限公司 | Data transmission method, data transmission device and storage medium |
| CN112788714A (en) * | 2019-11-07 | 2021-05-11 | Oppo（重庆）智能科技有限公司 | Power consumption control method and device of terminal and storage medium |
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| CN113079540A (en) * | 2020-01-06 | 2021-07-06 | 大唐移动通信设备有限公司 | Method and device for processing downlink data |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113163423A (en) | 2021-07-23 |
| CN113163423B (en) | 2023-05-02 |
| CN110072245B (en) | 2021-04-09 |
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