CN110138685A - A kind of communication means and device - Google Patents
A kind of communication means and device Download PDFInfo
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- CN110138685A CN110138685A CN201810127551.2A CN201810127551A CN110138685A CN 110138685 A CN110138685 A CN 110138685A CN 201810127551 A CN201810127551 A CN 201810127551A CN 110138685 A CN110138685 A CN 110138685A
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- network device
- access network
- label
- downlink data
- information
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9057—Arrangements for supporting packet reassembly or resequencing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- Computer Networks & Wireless Communication (AREA)
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- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
This application provides a kind of communication means and devices, indicate to be unable to satisfy the demand of different business for solving the problems, such as to reorder caused by the granularity due to instruction of reordering is only limitted to QoS flow granularity.This method comprises: first network device receives downlink data；The determination of first network device and the matched SDF filter of downlink data；First network device indicates that information is that downlink data adds label according to corresponding reorder of SDF filter, wherein reorders and indicates that information is used to indicate whether SDF needs to be reordered；Indicate that information instruction SDF need to be reordered if reordering, label is the first label；Indicate that information instruction SDF is not required to be reordered if reordering, label is the second label；First network device sends the downlink data after adding label to access network device, and the first label is used to indicate access network device and reorders to downlink data, and the second label is used to indicate access network device and does not reorder to downlink data.
Description
Technical field
This application involves field of communication technology more particularly to a kind of communication means and device.
Background technique
In the 5th generation (fifth-generation, abbreviation 5G) wireless communication system, the most granule of network transaction data
Degree is service quality (quality of service, abbreviation QoS) stream (flow), QoS flow, that is, processing forward having the same
The data flow of demand.When being related to QoS flow in Packet Data Convergence Protocol (packet data convergence
Protocol, abbreviation PDCP) when reordering of layer, if QoS flow arrival wireless access network (radio access network,
Abbreviation RAN), it is only explicitly indicated out in the QoS Profile (configuration) of QoS flow and does not need to reorder
(reordering) when transmitting, RAN can just disable PDCP layers of reordering function (reordering function).Due to
This mode is the reordering function that PDCP layers of disabling is indicated whether in QoS Profile, and the granularity of instruction is only limitted to QoS
Flow granularity, therefore, it is impossible to meet the demand of different business.
Summary of the invention
The embodiment of the present application provides a kind of communication means and device, is only limited for solving due to the granularity for instruction of reordering
The problem of instruction of reordering caused by QoS flow granularity is unable to satisfy the demand of different business.
In order to achieve the above objectives, the embodiment of the present application provides the following technical solutions:
In a first aspect, providing a kind of communication means, comprising: first network device receives downlink data；First network dress
Set the determining and matched SDF filter of downlink data；First network device indicates information according to corresponding reorder of SDF filter
Label is added for downlink data, wherein is reordered and is indicated that information is used to indicate whether SDF needs to be reordered；If reordering instruction
Information instruction SDF need to be reordered, and label is the first label；Indicate that information instruction SDF is not required to be reordered if reordering, label
For the second label；First network device sends the downlink data after adding label to access network device, and the first label is used to indicate
Access network device reorders to downlink data, and the second label is used to indicate access network device and does not reorder to downlink data.First
The method that aspect provides, access network device can determine whether to reorder to downlink data according to the label that downlink data carries,
Since the label that downlink data carries indicates that information determines according to reorder corresponding with the matched SDF filter of downlink data,
It is thereby achieved that the instruction of reordering of SDF granularity, so that network can determine whether according to the demand of SDF to belonging
The downlink data of SDF reorders, and meets the demand of different business.
In a kind of possible design, this method further include: first network device determines that SDF is filtered according to SDF filter
Corresponding reorder of device indicates information.Wherein, some or all of include with the matched SDF filter of downlink data information and
Information is identical some or all of in the heading of downlink data.
In a kind of possible design, this method further include: first network device receives SDF filtering from the second network equipment
It device and reorders and indicates information.After first network device receives SDF filter and reorders and indicate information, its presence is defaulted
Corresponding relationship.
In a kind of possible design, access network device is source access network device, indicates that information is used to indicate if reordering
SDF need to be reordered, this method further include: first network device is sent to access network device terminates mark information, terminates label
Information reorders for auxiliary mark access network device；Wherein, source access network device is that the terminal of reception downlink data is carrying out
Source base station in the handoff procedure of base station, target access network device are to receive the terminal of downlink data in carrying out base station handoff procedure
Target BS.This kind of possible design can further guarantee the continuity of session.
Second aspect provides a kind of communication means, comprising: access network device receives downlink data, and downlink data carries
Label, label indicate that information determines according to reorder corresponding with the matched SDF filter of downlink data, reorder and indicate information
It is used to indicate whether SDF needs to be reordered；Indicate that information instruction SDF need to be reordered if reordering, label is the first label；If
It reorders and indicates that information instruction SDF is not required to be reordered, label is the second label；Access network device determines whether pair according to label
Downlink data reorders.The method that second aspect provides, access network device can be according to the label determination that downlink data carries
It is no to reorder to downlink data, since the label of downlink data carrying is according to corresponding with the matched SDF filter of downlink data
It reorders and indicates that information determines, it is thereby achieved that the instruction of reordering of SDF granularity, so that network can be according to the need of SDF
It asks and determines whether that the downlink data to belonging SDF reorders, and meets the demand of different business.
In a kind of possible design, access network device determines whether to reorder to downlink data according to label, comprising: if
Label is the first label, and access network device reorders to downlink data according to label determination；Alternatively, if label is the second label,
Access network device does not reorder to downlink data according to label determination.
In a kind of possible design, access network device receives downlink data, comprising: the SDAP layer of access network device receives
Downlink data.
In a kind of possible design, access network device determines whether to reorder to downlink data according to label, comprising: connects
The SDAP layer of networking device determines whether to reorder to downlink data according to label.
In a kind of possible design, if the SDAP layer of access network device reorders to downlink data according to label determination,
This method further include: the SDAP layer of access network device sends the first instruction information, the first instruction to the PDCP layer of access network device
Information is used to indicate PDCP layers and reorders to downlink data.
In a kind of possible design, this method further include: access network device is source access network device, access network device
SDAP layers of reception terminate mark information, and access network device, which is sent on forward-path to target access network device, terminates label letter
Breath terminates mark information and reorders for auxiliary mark access network device；Alternatively, access network device is target access network device,
The SDAP layer of access network device is received from source access network device terminates mark information, and nets dress to access according to mark information is terminated
The PDCP layer set sends second indication information, and second indication information is used to indicate forward-path to the PDCP layer of access network device
Data be sent；Wherein, source access network device is that the terminal of reception downlink data is carrying out the source in the handoff procedure of base station
Base station, target access network device are that the terminal of reception downlink data is carrying out the target BS in the handoff procedure of base station, forward road
Path of the diameter between source base station and target BS.This kind of possible design can further guarantee the continuity of session.
The third aspect provides a kind of communication means, this method comprises: the second network equipment obtains SDF filter and again
Corresponding relationship between sequence instruction information, and send SDF filter to first network device and reorder and indicate information, it is used for
First network device obtains SDF filter and the corresponding relationship indicated between information that reorders.
Fourth aspect provides a kind of communication device, comprising: communication unit and processing unit；Communication unit, for receiving
Downlink data；Processing unit reorders for the determining and matched SDF filter of downlink data according to SDF filter is corresponding
Indicate that information is that downlink data adds label, wherein reorder and indicate that information is used to indicate whether SDF needs to be reordered；If weight
Sequence instruction information instruction SDF need to be reordered, and label is the first label；Indicate that information instruction SDF is not required to be weighed if reordering
Sequence, label are the second label；Communication unit, the downlink data being also used to after access network device transmission addition label, first
Label is used to indicate access network device and reorders to downlink data, and the second label is used to indicate access network device not to downlink data
It reorders.
In a kind of possible design, processing unit is also used to determine that SDF filter is corresponding heavy according to SDF filter
Sequence instruction information.
In a kind of possible design, communication unit is also used to receive SDF filter from the second network equipment and reorder
Indicate information.
In a kind of possible design, access network device is source access network device, indicates that information is used to indicate if reordering
SDF need to be reordered；Communication unit, being also used to send to access network device terminates mark information, terminates mark information for auxiliary
Target access network device is helped to reorder；Wherein, source access network device is that the terminal of reception downlink data switched in progress base station
Source base station in journey, target access network device are that the terminal of reception downlink data is carrying out the target base in the handoff procedure of base station
It stands.
5th aspect, provides a kind of communication device, comprising: communication unit and processing unit；Communication unit, for receiving
Downlink data, downlink data carry label, and label is according to the instruction letter that reorders corresponding with the matched SDF filter of downlink data
Breath determines, reorders and indicates that information is used to indicate whether SDF needs to be reordered；Indicate that information instruction SDF need to be weighed if reordering
Sequence, label are the first label；Indicate that information instruction SDF is not required to be reordered if reordering, label is the second label；Processing is single
Member, for determining whether to reorder to downlink data according to label.
In a kind of possible design, if label is the first label, processing unit is specifically used for being determined under according to label
Row data reordering；Alternatively, processing unit is specifically used for being determined according to label not to downlink data if label is the second label
It reorders.
In a kind of possible design, communication unit includes SDAP layers of business datum aggregation protocol；In communication unit
SDAP layers, it is specifically used for receiving downlink data.
In a kind of possible design, SDAP layer in communication unit is also used to be determined whether according to label to lower line number
According to reordering.
In a kind of possible design, communication unit further includes PDCP layers of data grouping convergence protocol；In communication unit
It SDAP layers, is also used to the PDCP layer into communication unit and sends the first instruction information, the first instruction information is used to indicate PDCP layers
It reorders to downlink data.
In a kind of possible design, device is source access network device, and the SDAP layer in communication unit terminates for receiving
Mark information, and end mark information is sent to target access network device, terminate mark information and is filled for auxiliary mark access net
It sets and reorders；Alternatively, device is target access network device, the SDAP layer in communication unit, for being received from source access network device
Terminate mark information, and sends second indication information, the second instruction to the PDCP layer of access network device according to mark information is terminated
The data that information is used for on the PDCP layer of access network device instruction forward-path are sent；Wherein, source access network device is
Source base station of the terminal of downlink data in progress base station handoff procedure is received, target access network device is to receive downlink data
Terminal is carrying out the target BS in the handoff procedure of base station, path of the forward-path between source base station and target BS.
6th aspect, provides a kind of communication device, including communication unit and processing unit, processing unit, for obtaining
SDF filter and the corresponding relationship indicated between information that reorders；Communication unit, for sending SDF mistake to first network device
Filter and reorder and indicate information, SDF filter and reordering indicate information for first network device obtain SDF filter and
Reorder the corresponding relationship indicated between information.
7th aspect, provides a kind of communication device, comprising: memory and processor；Memory is for storing computer
It executes instruction, processor executes the computer executed instructions of memory storage.The device can be above-mentioned first network device, connect
Networking device or the second network equipment, when the device is first network device, the computer executed instructions that processor executes are used
In any one method for making the device realize that first aspect provides；When the device is access network device, processor is executed
Computer executed instructions be used for so that the device realize second aspect provide any one method；When the device is the second net
When network device, the computer executed instructions that processor executes are used for so that the device realizes any one side that the third aspect provides
Method.The device can exist with the product form of chip.
Eighth aspect provides a kind of computer readable storage medium, including instruction, when run on a computer,
So that computer executes any one method that first aspect, second aspect or the third aspect provide.
9th aspect, provides a kind of computer program product comprising instruction, when run on a computer, so that
Computer executes any one method that first aspect, second aspect or the third aspect provide.
The beneficial effect of any one implementation of the fourth aspect in any one aspect into the 9th aspect can be with
Referring to the beneficial effect of corresponding implementation of the above-mentioned first aspect into the third aspect, details are not described herein.
Detailed description of the invention
Fig. 1 is the configuration diagram of EPS network provided by the embodiments of the present application；
Fig. 2 is the connection schematic diagram between a kind of network equipment provided by the embodiments of the present application；
Fig. 3 is a kind of configuration diagram of NG mobile communication system provided by the embodiments of the present application；
Fig. 4 is a kind of configuration diagram of 5G network provided by the embodiments of the present application；
Fig. 5 is a kind of hardware structural diagram of network equipment provided by the embodiments of the present application；
Fig. 6 is a kind of data handling procedure schematic diagram provided by the embodiments of the present application；
Fig. 7 is a kind of flow chart of communication means provided by the embodiments of the present application；
Fig. 8 is the flow chart of another communication means provided by the embodiments of the present application；
Fig. 9 is a kind of composition schematic diagram of network equipment 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.Its
In, in the description of the present application, unless otherwise indicated, "/" indicate or the meaning, for example, A/B can indicate A or B；Herein
"and/or" be only a kind of incidence relation for describing affiliated partner, indicate may exist three kinds of relationships, for example, A and/or B,
Can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, in the description of the present application, it is " more
It is a " refer to two or more.
Method provided by the embodiments of the present application can be applied to wireless communication system, such as: evolved packet system
(evolved packet system, abbreviation EPS) (i.e. usually said 4G network), 5G wireless communication system, newly eat dishes without rice or wine (new
Radio, abbreviation NR) system or the next generation (next generation, abbreviation NG) mobile communication system etc..
Illustratively, the network architecture of EPS can be found in Fig. 1, specifically include that terminal, Evolved Universal Terrestrial wireless access
Net (evolved universal terrestrial radio access network, abbreviation E-UTRAN) (is specifically as follows
Evolved base station (evolved node B, abbreviation eNodeB)), mobile management network element (mobility management
Entity, abbreviation MME), Service Gateway (serving gateway, abbreviation SGW), packet data gateway (packet data
Network gateway, abbreviation PGW), service universal grouping wireless serving GPRS support node (serving general packet
Radio service support node, abbreviation SGSN), home subscriber server (home subscriber server, letter
Claim HSS) and the nets such as "Policy and Charging Rules Function (policy and charging rules function, abbreviation PCRF)
Member.
Wherein, referring to fig. 2, EUTRAN is made of multiple eNodeB, for realizing radio physical layer function, scheduling of resource and
Wireless resource management, wireless access control and mobile management function to ps domain.It can be connected by X2 interface between eNodeB, it can be with
It is used to transmit data in the handoff procedure based on X2.ENodeB is connected by interface in the user plane S1-U with SGW, uses general point
Group Radio Service Tunneling Protocol user face (general packet radio service tunneling protocol user
Plane, abbreviation GTP-U) transmit user data；It is connected by control plane interface S1-MME with MME, using S1 Application Part (S1-
Application, abbreviation S1-AP) protocol realization radio access bearer control etc. functions.
MME is mainly responsible for all control plane functions of user i.e. session (Session) management, including Non-Access Stratum
(non-access stratum, abbreviation NAS) signaling and safety, the management of tracking area list (tracking area list),
The selection etc. of PGW and SGW.
SGW is mainly responsible for data transmission, forwarding and route handoff of terminal etc., and cuts between eNodeB as terminal
Local mobile anchor point when changing (for each terminal, each moment only has a SGW and services for it).
The anchor point that PGW is connected as packet data network (packet date network, abbreviation PDN) is responsible for terminal
The Internet protocol address (internet protocol, abbreviation IP) distribution, the data message filtering of terminal, rate control, life
At charge information etc..
SGSN is that 2G accesses net GSM EDGE Radio Access Network network (GSM/EDGE radio access network, abbreviation
GERAN), 3G access net universal land radio access web (universal terrestrial radio access network,
Abbreviation UTRAN) with the access section of EPS core net (i.e. evolution block core (evolved packet core, abbreviation EPC) net)
Point is responsible for from GERAN, the foundation of UTRAN to EPC carrying and the forwarding of data.Wherein, GSM is global mobile communication (global
System of mobile communication) system, EDGE is enhanced data rates for gsm evolution (enhanced data
Rate for GSM evolution) technology.
HSS is used to store the subscription data of mobile subscriber.
PCRF is responsible for accounting management and policy control, including strategy and charging control (policy and charging
Control, abbreviation PCC) rule, QoS rule.
Illustratively, the framework of NG mobile communication system can be found in Fig. 3.It include NG terminal in NG system, NG (wireless) connects
Networking ((radio) access network, referred to as (R) AN), NG core (core) net and data network (data network,
Abbreviation DN).Wherein, NG terminal, NG (R) AN, NG core net are the chief component in the framework, these network elements can in logic
To include user face (user plane, abbreviation UP) and control plane (control plane, abbreviation CP) two parts, control plane is negative
The management of mobile network is blamed, user is responsible in face the transmission of business datum.
Wherein, NG2 reference point is located between NG (R) AN control plane and NG core network control surface, and NG3 reference point is located at NG
(R) between AN user face and NG core network user face, NG6 reference point is between NG core network user face and DN.
Wherein, NG terminal is the entrance of mobile subscriber and network interaction, is capable of providing basic computing capability, stores energy
Power shows vocational window to user, receives user's operation input.NG terminal can be eated dishes without rice or wine technology using the next generation, be built with NG (R) AN
Vertical signal connection, data connection, so that transmission of control signals and business datum are to mobile network.
NG (R) AN is deployed in similar to the base station inside traditional network close to the position of NG terminal, is specific region
Authorized user provides networking function, and can use the transmission tunnel of different quality according to the rank of user, demand of business etc.
Transmit user data.NG (R) AN can manage the resource of itself, rationally utilize, and provide access service, control on demand for NG terminal
Signal and user data processed forward between NG terminal and core net.
NG core net is responsible for the subscription data of maintenance mobile network, manages the network element of mobile network, provide meeting for NG terminal
Words management, mobile management, tactical management, the functions such as safety certification.When the attachment of NG terminal, networking is provided for NG terminal
Certification；It is NG terminal distribution Internet resources when NG terminal has service request；When NG terminal is mobile, more for NG terminal
New Internet resources；When NG terminal idle, fast Restoration Mechanism is provided for NG terminal；When NG terminal attachment removal, it is
NG terminal releasing network resource；When NG terminal has business datum, data routing function is provided for NG terminal, such as forwards upper line number
According to arrive DN；Or downlink data is received from DN, it is forwarded to NG (R) AN, to be sent to NG terminal.
DN is that the data network of business service is provided for user, and the end common customer is located at NG terminal, and server-side is located at data
Network.Data network can be private network, such as local area network, be also possible to the external network that do not managed by operator, such as because of spy
Net (internet) can also be the proprietary network that operator disposes jointly, such as Configuration network interconnection agreement multimedia
System (internet protocol multimedia subsystem, abbreviation IMS) service.
It can be found in Fig. 4 based on Fig. 3 5G network architecture determined, 5G network may include following multiple network functions
(network functions, abbreviation NF) entity: authentication server function (authentication server function,
Abbreviation AUSF) network element, access and mobile management function (core access and mobility management
Function, abbreviation AMF) network element, DN, uniform data management (unified data management, abbreviation UDM) network element, plan
Slightly control function (policy control function, abbreviation PCF) network element, (R) AN equipment, user plane functions (user
Plane function, abbreviation UPF) network element, terminal, application function (application function, abbreviation AF) network element, meeting
Talk about management function (session management function, abbreviation SMF) network element.
It will be appreciated that Fig. 4 is merely illustrative architecture diagram, in addition to the functional entity shown in Fig. 4, which may be used also
To include other function entity, for example, being also possible that network opening function (network between AF entity and PCF entity
Exposure function, abbreviation NEF) entity.
Wherein, core net UP includes UPF, and core net CP includes AUSF, AMF, SMF, UDM, PCF and AF.
Wherein, UPF is used to execute user data package forwarding according to the routing rule of SMF.AUSF is used to execute the peace of terminal
Full certification.AMF is used to carry out access-in management and mobile management to terminal.SMF is used for the management that conversates to terminal.UDM is used
It is managed in the signing context to user.PCF is used to carry out tactical management to user.AF is used to carry out using pipe user
Reason.
As shown in figure 5, being a kind of hardware structural diagram of network equipment 50 provided by the embodiments of the present application, network dress
Setting 50 can be terminal or base station, which includes at least one processor 501, communication bus 502, memory 503
And at least one communication interface 504.
Processor 501 can be a general central processor (central processing unit, abbreviation CPU), micro-
Processor, application-specific integrated circuit (application-specific integrated circuit, abbreviation ASIC), or
One or more is for controlling the integrated circuit of application scheme program execution.
Communication bus 502 may include an access, and information is transmitted between said modules.
Communication interface 504, can be any transceiver one kind device, be used for other equipment or communication,
Such as Ethernet, RAN, WLAN (wireless local area networks, abbreviation WLAN) etc..
Memory 503 can be read-only memory (read-only memory, abbreviation ROM) or can store static information and
Instruction other kinds of static storage device, random access memory (random access memory, abbreviation RAM) or
The other kinds of dynamic memory that information and instruction can be stored, is also possible to Electrically Erasable Programmable Read-Only Memory
(electrically erasable programmable read-only memory, abbreviation EEPROM), CD-ROM
(compact disc read-only memory, abbreviation CD-ROM) or other optical disc storages, optical disc storage (including squeezed light
Dish, laser disc, optical disc, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or energy
Be enough in carrying or storage have instruction or data structure form desired program code and can by computer access times
What his medium, but not limited to this.Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also
To be integrated with processor.
Wherein, memory 503 is used to store the application code for executing application scheme, and is controlled by processor 501
System executes.Processor 501 is for executing the application code stored in memory 503, to realize that hereinafter the application is real
The method that example offer is provided.
In the concrete realization, as one embodiment, processor 501 may include one or more CPU, such as in Fig. 5
CPU0 and CPU1.
In the concrete realization, as one embodiment, network equipment 50 may include multiple processors, such as in Fig. 5
Processor 501 and processor 508.Each of these processors can be monokaryon (single-CPU) processor,
It can be multicore (multi-CPU) processor.Here processor can refer to one or more equipment, circuit, and/or use
In the processing core of processing data (such as computer program instructions).
In the concrete realization, as one embodiment, network equipment 50 can also include output equipment 505 and input equipment
506。
PDCP is a wireless transmission protocol stack, can by data reorder guarantee data it is orderly in terminal and connect
It is transmitted between networking device.Specifically, during terminal carries out access network device switching, terminal can switch clothes referring to Fig. 6
The access network device of business, from source, access network device switches to target access network device.Wherein, source access network device is cut in terminal
It is the access network device of terminal service before alternatively, target access network device is the access net after terminal switching for terminal service
Device.In handoff procedure, terminal can be established with the proportionate relationship of 1:1 based on old path (S1 carrying, radio bearer (radio
Bearer, abbreviation RB) etc.) forwarding carrying.
In handoff procedure, handle data by following procedure: (1) source access network device is on forward-path preferentially to mesh
The PDCP data that do not transmit in mark access network device transmission sources access network device, these PDCP data are by PDCP layers of subpackage
Data；(2) the new downlink data that source access network device sends over UP on old path accesses on forward-path to target
The transmission of net device, new downlink data are the data without PDCP layers of subpackage；(3) when UP switches downlink path, on old path
Sending terminates label (end marker), terminates the data that label is used to indicate on old path and is sent, source access net dress
Set terminates to mark to stop to send data on forward-path according to this；(4) processing of target access network assembly first is in forward-path
On the data that receive；(5) if receive terminate label before target access network device have received and sent on new route
Downlink data, target access network device buffers these downlink datas；(6) target access network device, which receives, terminates mark
Note, using receive terminate label before processed PDCP maximum serial number (sequence number, abbreviation SN) number, after
It is continuous that data in buffering are handled.With the data forwarding in this sequential processes handoff procedure, so that terminating label energy
Enough auxiliary mark access network devices reorder to data.
Method provided by the embodiments of the present application is carried to instruction (delivery order) information that reorders to connect by UP
Networking device, for access network device according to the information of the data of UP, whether decision is downlink data execution when terminal switching
Reordering function.
The embodiment of the present application provides a kind of communication means, as shown in fig. 7, this method may include:
701, first network device receives downlink data.
Illustratively, first network device can be UPF.First network device can receive downlink data from DN.
702, the determination of first network device and the matched business data flow of downlink data (service data flow, abbreviation
SDF) filter.
It some or all of include in the heading of information and downlink data with the matched SDF filter of downlink data
Part or all of information is identical.Wherein, the information that the information in the heading of downlink data and SDF filter are included includes source
IP address, purpose IP address, source port, the information such as destination port.
703, first network device indicates that information is that downlink data adds label according to corresponding reorder of SDF filter.
Wherein, it reorders and indicates that information is used to indicate whether SDF needs to be reordered；Indicate that information indicates SDF if reordering
It need to be reordered, label is the first label；Indicate that information instruction SDF is not required to be reordered if reordering, label is the second label.
Wherein, SDF can be the SDF of SDF filter mark, or the SDF identified by other means.Label can
To add in the heading of downlink data.
Optionally, can also to include: first network device determine that SDF filter is corresponding according to SDF filter to the above method
Reorder and indicate information.The optional method can execute before step 703.
Optionally, first network device according to SDF filter and can reorder and indicate that the corresponding relationship between information is true
Determine corresponding reorder of SDF filter and indicates information.Wherein, it SDF filter and reorders and indicates that information can correspond,
It can be reordered with multiple SDF filters corresponding one and indicate information.
Illustratively, if SDF filter has 4, respectively SDF filter 1, SDF filter 2, SDF filter 3 and SDF
Filter 4, corresponding reorder indicate that information may refer to table 1.If corresponding reorder of SDF1 and SDF3 indicates information phase
Together, corresponding reorder of SDF2 and SDF4 indicates that information is identical, then corresponding reorder of 4 SDF filters indicates that information can be with
Referring to table 2.
Table 1
| SDF filter | It reorders and indicates information |
| SDF filter 1 | It reorders and indicates information 1 |
| SDF filter 2 | It reorders and indicates information 2 |
| SDF filter 3 | It reorders and indicates information 3 |
| SDF filter 4 | It reorders and indicates information 4 |
Table 2
Optionally, before step 703, this method can also include: 11) the second network equipment obtain SDF filter and
Reorder the corresponding relationship indicated between information, and sends SDF filter to first network device and reorder and indicate information；
12) first network device receives SDF filter and reorder from the second network equipment indicates information.It should be noted that first
After network equipment receives SDF filter and reorders and indicate information, defaulting it, there are corresponding relationships.
Illustratively, it SDF filter and reorders and indicates that the corresponding relationship between information can be found in table 1 or table 2.
Illustratively, the second network equipment can be SMF.
In specific implementation, the second network equipment can receive to reorder from PCF indicates information and SDF filtering to step 11)
Device indicates information there are corresponding relationships in this case, the second network equipment determines the SDF filter that receives and reorders.PCF
It can determine SDF filter according to some rules or strategy and reorder and indicate information, SDF filtering can also be obtained from NEF
It device and reorders and indicates information.
Illustratively, what PCF was sent to the second network equipment, which reorder, indicates that information and SDF filter may be embodied in
In PCC rule (rule).It can also include rule relevant with session or other information in PCC rule.
It should be noted that the second network equipment can after the second network equipment reorders from PCF reception and indicates information
Indicate that the identical SDF of information is bundled on a Qos flow will reorder, the granularity for instruction of reordering at this time is equivalent to QoS
Flow granularity.If reordering for all SDF indicates that information is all the same in a session, Control granularity is equivalent to session grain at this time
Degree.
704, the downlink data after first network device sends addition label to access network device.Correspondingly, access net dress
Reception downlink data is set, downlink data carries label.
First label is used to indicate access network device and reorders to downlink data, and the second label is used to indicate access network device
It does not reorder to downlink data.
Optionally, access network device receives downlink data, comprising: the business datum aggregation protocol of access network device
(service data adaptation protocol, abbreviation SDAP) layer receives downlink data.
705, access network device determines whether to reorder to downlink data according to label.
Optionally, step 705 may include: that the SDAP layer of access network device determines whether according to label in specific implementation
It reorders to downlink data.
Specifically, access network device can determine whether according to the label in the heading of downlink data to downlink data weight
Sequence.Optionally, if it is the first label that step 705 may include: label in specific implementation, access network device is true according to label
Fixed to reorder to downlink data, the SDAP layer for being specifically as follows access network device reorders to downlink data according to label determination；
Alternatively, access network device does not reorder to downlink data according to label determination if label is the second label, it is specifically as follows access
The SDAP layer of net device does not reorder to downlink data according to label determination.
Optionally, if the SDAP layer of access network device reorders to downlink data according to label determination, the above method may be used also
The first instruction information is sent to the PDCP layer of access network device with the SDAP layer for including: access network device, the first instruction information is used
It reorders to downlink data for PDCP layers in instruction.
If above-mentioned access network device is source access network device and reorders and indicate that information is used to indicate SDF and need to be reordered,
The above method can also include: 21) first network device to access network device send terminate mark information, terminate mark information use
It reorders in auxiliary mark access network device；22) the SDAP layer of access network device, which receives, terminates mark information, and access network device exists
Sending on forward-path to target access network device terminates mark information, terminates mark information and is used for auxiliary mark access network device
It reorders.It step 21) and 22) can execute after step 704.
If above-mentioned access network device is target access network device, the above method can also include: 31) source access network device
Sending on forward-path to target access network device terminates mark information, terminates mark information and is used for complementary access networks device weight
Sequence；32) the SDAP layer of access network device from source access network device receive terminate mark information, and according to terminate mark information to
The PDCP layer of access network device sends second indication information, and second indication information is used to turn to the instruction of the PDCP layer of access network device
Data on hair path are sent.
Under both of these case, downlink data can be last number that first network device is sent to access network device
According to.
Wherein, source access network device is that the terminal of reception downlink data is carrying out the source base station in the handoff procedure of base station, mesh
Mark access network device is target BS of the terminal of reception downlink data in progress base station handoff procedure, and forward-path is source base
The path stood between target BS.
In Universal Mobile Communication System (universal mobile telecommunications system, abbreviation
UMTS it in), defines to reorder and indicates parameter, can only notify RAN by signaling plane at present, the granularity for instruction of reordering can only arrive
The granularity of QoS flow, instruction of reordering can not be adjusted flexibly.Method provided by the embodiments of the present application can pass through user face
Transmission, which is reordered, indicates information, and indicates that information identical SDF and QoS flow is bound by that will reorder, so as to
The granularity for instruction of reordering is adjusted flexibly.
In 5G network, since QoS flow is that SMF is tied to when establishing PDU session or modification PDU session
In session, therefore, SMF needs whether clear QoS flow needs to reset when establishing PDU session or modification PDU session
Sequence transmission.But does not include to reorder in QoS Profile defined in 5G standard at present and indicate parameter.The embodiment of the present application
The method of offer does not need core net and reorders by signalling to indicate information, can reduce signaling overheads.
In the embodiment of the present application, the granularity for instruction of reordering is SDF granularity, if SMF will modify protocol Data Unit
The conversation continuity attribute of SDF in (protocol data unit, abbreviation PDU) session can directly send to UPF and update
Instruction, it is not necessary that notice the side RAN, can reduce core net to RAN signaling overheads.
Method provided by the embodiments of the present application, access network device can determine whether pair according to the label that downlink data carries
Downlink data reorders, since the label of downlink data carrying is according to rearrangement corresponding with the matched SDF filter of downlink data
Sequence indicates that information determines, it is thereby achieved that the instruction of reordering of SDF granularity, so that network can be true according to the demand of SDF
It is fixed whether to reorder to the downlink data of belonging SDF, meet the demand of different business.
Method provided by the above embodiment is illustrated below by way of specific step, wherein can be in AN/
The local policy to reorder is configured in SMF/PCF, the subscription data of configurating terminal, hereinafter in the above way executes in UDM
It is illustrated for during PDU session establishment or modification, referring to Fig. 8, this method may include:
801, SMF obtains the subscription data of terminal from UDM.
Wherein, the subscription data of terminal may include the granularity of instruction of reordering.Illustratively, reorder the granularity of instruction
It can be terminal granularity, in this case, the data of whole business of terminal reorder.The granularity of instruction of reordering can also be
The type of Qos flow, for example, the type of Qos flow is ensures bit rate (guaranteed bit rate, abbreviation GBR)
When flow, the data of the business of the type of terminal reorder.The granularity of instruction of reordering can also be 5G QoS identification (5G
QoS identifier, abbreviation 5QI), in this case, the data of the business of the type of the Qos flow of the corresponding 5QI are reset
Sequence.
802, SMF sends the subscription data of terminal to PCF.Correspondingly, PCF receives the subscription data of terminal from SMF.
803, PCF is from AF/ unified database (unified data repository, abbreviation UDR)/NEF/ network data
Analytic function entity (network data analytics function, abbreviation NWDAF) collects service related information.
Wherein, service related information may include SDF filter, and business scope (amusement and recreation, finance, real time communication, newly
Hear, monitoring etc.), type of service (video, web page browsing, phone, game etc.), business reliable protocol (express user datagram association
View network connection (quick user datagram protocol internet connections, abbreviation QUIC)/multichannel passes
Transport control protocol discusses (multipath transmission control protocol, abbreviation MPTCP)/distributed mobility pipe
Manage (distributed mobility management, abbreviation DMM) etc.), whether business can be with these SDF attribute such as packet loss
At least one of, it can also include the statistical information of business granularity, if which business can be with packet loss in which field, which industry
If business packet loss can seriously affect the information such as user experience.
804, PCF determines that carrying out base station in terminal cuts according to the subscription data, service related information and local policy of terminal
Whether SDF needs to be reordered during changing.
When specific implementation, PCF can according to one in the subscription data, service related information and local policy of terminal or
Whether multiple determining SDF need to be reordered.
Illustratively, if PCF determines whether SDF needs to be reordered according to local policy, when the granularity for instruction of reordering
When for GBR flow, PCF can determine that the type of Qos flow is the data reordering in the SDF of GBR flow business.If PCF
Determine whether SDF needs to be reordered according to the type of service in service related information, since video and phone are to conversation continuity
It is required that relatively high, therefore, PCF can determine the data reordering in the SDF of video traffic and telephone service.
Specifically, SDF can have multiple, PCF, can according to the subscription data, service related information and local policy of terminal
To determine whether SDF needs to be reordered during terminal carries out base station switching for each SDF.
805, PCF reorders to SMF transmission and indicates information and SDF filter.Correspondingly, SMF receives the finger that reorders from PCF
Show information and SDF filter.After SMF is received and reordered and indicate information and SDF filter, SDF filter and again is defaulted
There are corresponding relationships for sequence instruction information.
Illustratively, PCF reorders to SMF is sent indicates that information may be embodied in PCC rule.
It should be noted that SDF filter and reordering and indicating that information can be by any one in SMF, PCF or AF
It provides or generates.Above-described embodiment is mentioned so that SDF filter and reordering indicates information by PCF generation as an example in the embodiment
The method of confession does exemplary illustration.
806, SM message is transferred to AMF by N11 message by SMF.Wherein, SM message is encapsulated in N11 message.
807, SM message is transferred to RAN by N2 message by AMF.
Wherein, N2 message encapsulates SM message, and SM message is for establishing session context, the session context in network
It is synchronized in terminal.
808, RAN sends RRC signaling to terminal according to SM message.Correspondingly, terminal receives RRC signaling from RAN.
It wherein, include SM message in RRC signaling.
809, terminal is according to the SM message arrangement session context in RRC signaling, and establishes session transmissions according to RRC signaling
Resource.
810, terminal sends SM response message to RAN.Correspondingly, RAN receives SM response message from terminal.
811, RAN is sent SM response message to AMF by N2 message.It is responded correspondingly, AMF obtains SM according to N2 message
Message.
Wherein, SM response message is encapsulated in N2 message.
812, SM response message is transferred to SMF by N11 message by AMF.It is rung correspondingly, SMF obtains SM from N11 message
Message is answered, and determines that the configuration of the session context in terminal is completed according to SM response message.
Wherein, SM response message is encapsulated in N11 message.
813, SMF transmits N4 message to UPF, including SDF filter and reorders and indicates information.Correspondingly, UPF is obtained
It takes the filter of SDF and reorders and indicate information.After UPF receives N4 message, UPF defaults the SDF for including in N4 message
It filter and reorders and indicates information there are corresponding relationships.
In specific implementation, it can default and not reorder to the data in all SDF, reorder being determined as some SDF
When, it just may include reordering to indicate information, indicate that information is used to indicate to the data rearrangement in SDF in this case, reordering
Sequence.
It can also include SDF priority (precedence) that QoS flow identifies (QoS flow in N4 message
Identifier, abbreviation QFI), radioactivity Qos identifies (reflective QoS identification, abbreviation RQI), transmission
Layer data packet making (transport level packet marking), QoS information etc..
814, UPF indicates that information is that the downlink data received adds label according to SDF filter and reordering.
The label can be beaten on the tunnel packet head of N3 interface；It can also beat on the internal layer heading of data.
Indicate that information instruction SDF need to be reordered if reordering, label is the first label；Indicate that information indicates if reordering
SDF is not required to be reordered, and label is the second label.
815, the downlink data after UPF sends addition label to RAN.Correspondingly, RAN receives downlink data, the lower line number
According to carrying label.
816, the SDAP layer of RAN determines whether to reorder to downlink data according to the label that downlink data carries.
If label is the first label, RAN reorders to downlink data according to label determination；Alternatively, if label is the second mark
Label, RAN do not reorder to downlink data according to label determination.
If it is determined that reorder to downlink data, step 817 is executed.
817, the SDAP layer of RAN sends the first instruction information to PDAP layers, indicates that the PDCP layer of RAN executes the function that reorders
Energy.
Above-mentioned method shown in Fig. 8 can also be completed in other signaling processes, and the embodiment of the present application is not made this specifically
It limits.
It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from method angle.It is understood that net
In order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module for network device.This field
Technical staff should be readily appreciated that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure and algorithm steps
Suddenly, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with hardware still
Computer software drives the mode of hardware to execute, the specific application and design constraint depending on technical solution.Professional skill
Art personnel can use different methods to achieve the described function each specific application, but this realization should not be recognized
For beyond 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 network equipment, for example, can
With each functional module of each function division of correspondence, two or more functions can also be integrated in a processing module
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.
For example, Fig. 9 shows the dress of network involved in above-described embodiment using integrated functional module
A kind of possible structural schematic diagram set, which can be above-mentioned first network device or access network device, referring to figure
9, Fig. 9 may include: processing unit 901 and communication unit 902, can also include storage unit 903.
When the network equipment is first network device, processing unit 901 is used for the movement to first network device and carries out
Control management, for example, processing unit 901 is for supporting first network device to execute the step in step 701-704, Fig. 8 in Fig. 7
The movement that first network device described in rapid 813-815 and/or the embodiment of the present application during other executes.Communication
Unit 902 is for supporting first network device to communicate with other network equipments, for example, being led to the access network device in Fig. 7
Letter.Storage unit 903 is used to store the program code and data of first network device.
When the network equipment is access network device, processing unit 901 is for controlling the movement of access network device
Management, for example, processing unit 901 is for supporting access network device to execute the step 815- in step 704-705, Fig. 8 in Fig. 7
817 and/or the embodiment of the present application described in the movement that executes of access network device during other.Communication unit 902 is used
In supporting access network device to communicate with other network equipments, for example, being communicated with the first network device in Fig. 7.Storage is single
Member 903 is for storing the program code and data of access network device.
Wherein, processing unit 901 can be processor or controller, and communication unit 902 can be communication interface, transmitting-receiving
Device, transmission circuit etc., wherein communication interface is to be referred to as, and may include one or more interfaces.Storage unit 903, which can be, deposits
Reservoir.When processing unit 901 is processor, communication unit 902 is communication interface, when storage unit 903 is memory, the application
Network equipment involved in embodiment can be network equipment shown in fig. 5.
When network equipment shown in fig. 5 is first network device, processor 501 is for the movement to first network device
Control management is carried out, for example, processor 501 is for supporting first network device to execute in step 701-704, Fig. 8 in Fig. 7
The movement that first network device described in step 813-815 and/or the embodiment of the present application during other executes.It is logical
Letter interface 504 is for supporting first network device to communicate with other network equipments, for example, carrying out with the access network device in Fig. 7
Communication.Memory 503 is used to store the program code and data of first network device.
When network equipment shown in fig. 5 is access network device, processor 501 is used for the movement to access network device and carries out
Control management, for example, processor 501 is for supporting access network device to execute the step in step 704-705, Fig. 8 in Fig. 7
The movement that access network device described in 815-817 and/or the embodiment of the present application during other executes.Communication interface
504 for supporting access network device to communicate with other network equipments, for example, being communicated with the first network device in Fig. 7.It deposits
Reservoir 503 is used to store the program code and data of access network device.
The embodiment of the present application also provides a kind of computer readable storage mediums, including instruction, when it is transported on computers
When row, so that computer executes the above method.
The embodiment of the present application also provides a kind of computer program products comprising instruction, when it runs on computers
When, so that computer executes the above method.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer
Program product includes one or more computer instructions.On computers load and execute computer program instructions when, all or
It partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, dedicated meter
Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
Word user line (digital subscriber line, abbreviation DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to
Another web-site, computer, server or data center are transmitted.The computer readable storage medium can be meter
Any usable medium that calculation machine can access either includes server, the data center that one or more can use medium to integrate
Equal data storage devices.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example,
) or semiconductor medium (such as solid state hard disk (solid state disk, abbreviation SSD)) etc. DVD.
Although the application is described in conjunction with each embodiment herein, however, implementing the application claimed
In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real
Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions
Part or step, "a" or "an" are not excluded for multiple situations.Claim may be implemented in single processor or other units
In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged
It applies to combine and generates good effect.
Although the application is described in conjunction with specific features and embodiment, it is clear that, do not departing from this Shen
In the case where spirit and scope please, it can be carry out various modifications and is combined.Correspondingly, the specification and drawings are only institute
The exemplary illustration for the application that attached claim is defined, and be considered as covered within the scope of the application any and all and repair
Change, change, combining or equivalent.Obviously, those skilled in the art the application can be carried out various modification and variations without
It is detached from spirit and scope.If in this way, these modifications and variations of the application belong to the claim of this application and its
Within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.
Claims (11)
1. a kind of communication means characterized by comprising
First network device receives downlink data；
The first network device determination and the matched business data flow SDF filter of the downlink data；
The first network device indicates that information is downlink data addition mark according to corresponding reorder of the SDF filter
Label, wherein described reorder indicates that information is used to indicate whether the SDF needs to be reordered；If described reorder indicates information
Indicate that the SDF need to be reordered, the label is the first label；If described reorder indicates that information indicates that the SDF is not required to
It is reordered, the label is the second label；
The first network device sends the downlink data after adding the label, first label to access network device
It is used to indicate the access network device to reorder to the downlink data, second label is used to indicate the access network device
It does not reorder to the downlink data.
2. the method according to claim 1, wherein the method also includes:
The first network device determines that corresponding reorder of SDF filter indicates information according to the SDF filter.
3. method according to claim 1 or 2, which is characterized in that the access network device is source access network device, if institute
It states to reorder and indicates that information is used to indicate the SDF and need to be reordered, the method also includes:
The first network device is sent to the access network device terminates mark information, and the end mark information is for assisting
Target access network device reorders；
Wherein, the source access network device is to receive the terminal of the downlink data to carry out the source base in the handoff procedure of base station
It stands, the target access network device is to receive the terminal of the downlink data to carry out the target BS in the handoff procedure of base station.
4. a kind of communication means characterized by comprising
Access network device receives downlink data, and the downlink data carries label, the label according to the downlink data
Corresponding reorder of the SDF filter matched indicates that information determines, described reorder indicates that information is used to indicate whether the SDF needs
It is reordered；If described reorder indicates that information indicates that the SDF need to be reordered, the label is the first label；If described
It reorders and indicates that information indicates that the SDF is not required to be reordered, the label is the second label；
The access network device determines whether to reorder to the downlink data according to the label.
5. according to the method described in claim 4, it is characterized in that, the access network device determines whether pair according to the label
The downlink data reorders, comprising:
If the label is the first label, the access network device reorders to the downlink data according to label determination；
Alternatively,
If the label is the second label, the access network device is determined according to the label and is not reset to the downlink data
Sequence.
6. method according to claim 4 or 5, which is characterized in that the access network device receives downlink data, comprising:
SDAP layers of business datum aggregation protocol of the access network device receive the downlink data.
7. according to the method described in claim 6, it is characterized in that, the access network device determines whether pair according to the label
The downlink data reorders, comprising:
The SDAP layer of the access network device determines whether to reorder to the downlink data according to the label.
8. the method according to the description of claim 7 is characterized in that if the SDAP layer of the access network device is according to the label
Determination reorders to the downlink data, the method also includes:
The SDAP layer of the access network device sends first to PDCP layers of data grouping convergence protocol of the access network device and refers to
Show that information, the first instruction information are used to indicate described PDCP layers and reorder to the downlink data.
9. according to the described in any item methods of claim 4-8, which is characterized in that the method also includes:
The access network device is source access network device, and the SDAP layer of the access network device, which receives, terminates mark information, described
Access network device sends the end mark information to target access network device on forward-path, and the end mark information is used
It reorders in the auxiliary target access network device；Alternatively,
The access network device is the target access network device, and the SDAP layer of the access network device accesses net dress from the source
Setting reception terminates mark information, and sends the second instruction to the PDCP layer of the access network device according to the end mark information
Information, the second indication information are used to indicate that the data on the forward-path are sent to the PDCP layer of the access network device
It finishes；
Wherein, the source access network device is to receive the terminal of the downlink data to carry out the source base in the handoff procedure of base station
It stands, the target access network device is to receive the terminal of the downlink data to carry out the target BS in the handoff procedure of base station,
Path of the forward-path between the source base station and the target BS.
10. a kind of communication device, which is characterized in that perform claim requires method described in any one of 1-3.
11. a kind of communication device, which is characterized in that perform claim requires method described in any one of 4-9.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114731557A (en) * | 2019-11-29 | 2022-07-08 | 华为技术有限公司 | Message transmission method, communication device and communication system |
| CN114079932A (en) * | 2020-08-11 | 2022-02-22 | 中国联合网络通信集团有限公司 | 5G network quality guarantee system and method |
| CN114079932B (en) * | 2020-08-11 | 2023-11-14 | 中国联合网络通信集团有限公司 | 5G network quality assurance system and method |
| CN114079870A (en) * | 2020-08-13 | 2022-02-22 | 华为技术有限公司 | Communication method and device |
| CN114079870B (en) * | 2020-08-13 | 2023-06-02 | 华为技术有限公司 | Communication method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019154160A1 (en) | 2019-08-15 |
| CN110138685B (en) | 2021-01-15 |
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