WO2020147052A1 - Procédé de commande de transmission de duplication de données, dispositif terminal et dispositif de réseau - Google Patents

Procédé de commande de transmission de duplication de données, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2020147052A1
WO2020147052A1 PCT/CN2019/072054 CN2019072054W WO2020147052A1 WO 2020147052 A1 WO2020147052 A1 WO 2020147052A1 CN 2019072054 W CN2019072054 W CN 2019072054W WO 2020147052 A1 WO2020147052 A1 WO 2020147052A1
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WIPO (PCT)
Prior art keywords
timer
transmission mode
data replication
control
information
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PCT/CN2019/072054
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English (en)
Chinese (zh)
Inventor
石聪
Original Assignee
Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/072054 priority Critical patent/WO2020147052A1/fr
Priority to CN201980057205.4A priority patent/CN112640508B/zh
Publication of WO2020147052A1 publication Critical patent/WO2020147052A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • the present invention relates to the field of information processing technology, in particular to a method for controlling data replication and transmission, terminal equipment, network equipment, and computer storage media, chips, computer readable storage media, computer program products, and computer programs.
  • the uplink PDCP data replication function can be configured based on DRB, that is to say, different DRBs can be configured to support PDCP replication data transmission or not configured for PDCP replication data transmission.
  • the corresponding configuration mode of data replication, or activation/deactivation mode, is also carried out based on the bearer.
  • the configuration of data replication transmission is based on the bearer configuration, and the corresponding activation/deactivation mode is also indicated by the bearer level.
  • the disadvantage of the prior art is that this type of configuration or activation/deactivation indication method based on the bearer level will increase the processing complexity of terminal equipment and network equipment, increase the air interface overhead, and there is also the inability to control activation/deactivation more flexibly. Active state.
  • embodiments of the present invention provide a method for controlling data replication and transmission, terminal equipment, network equipment, and computer storage media, chips, computer readable storage media, computer program products, and computer programs.
  • a method for controlling data replication and transmission which is applied to a terminal device, and the method includes:
  • the change of the data replication transmission mode of the at least one object is controlled.
  • a method for controlling data replication and transmission which is applied to a network device, and the method includes:
  • the timer is used to provide at least one time interval for at least one object of the terminal device to change the data copy transmission mode of the at least one object based on the time interval Take control.
  • a terminal device including:
  • the first processing unit based on at least one time interval for the at least one object, controls the change of the data replication transmission mode of the at least one object.
  • a network device including:
  • the second communication unit is configured to configure the terminal device with at least one timer for at least one object; the timer is used to provide at least one time interval for at least one object of the terminal device, so as to perform data on the at least one object based on the time interval Copy the change of transmission method to control.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or its implementations.
  • a chip is provided, which is used to implement any one of the foregoing first aspect and second aspect or the method in each implementation manner thereof.
  • the chip includes: a processor for calling and running a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first aspect, second aspect, or each of its implementations method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the above-mentioned first and second aspects or various implementations thereof.
  • a computer program product which includes computer program instructions, which cause the computer to execute the method in any one of the above-mentioned first and second aspects or various implementations thereof.
  • a computer program which, when run on a computer, causes the computer to execute the method in any one of the above-mentioned first and second aspects or various implementations thereof.
  • Figure 1-1 is a schematic diagram of copy transmission
  • Figure 1-2 is a schematic diagram 1 of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a first flowchart of a method for controlling data replication and transmission according to an embodiment of the present application
  • FIG. 3 is a second schematic flowchart of a method for controlling data replication and transmission according to an embodiment of the present application
  • FIG. 4 is a third flowchart of a method for controlling data replication and transmission according to an embodiment of the present application.
  • FIG. 5 is a first schematic diagram of controlling different DRBs based on different timers according to an embodiment of the present application
  • FIG. 6 is a second schematic diagram of controlling different DRBs based on different timers according to an embodiment of the present application.
  • FIG. 7 is a fourth flowchart of a method for controlling data replication and transmission according to an embodiment of the present application.
  • FIG. 8 is a fifth schematic flowchart of a method for controlling data replication and transmission according to an embodiment of the present application.
  • FIG. 9 is a first schematic diagram of controlling different QFIs based on different timers according to an embodiment of the present application.
  • FIG. 10 is a second schematic diagram of controlling different QFIs based on different timers according to an embodiment of the present application.
  • FIG. 11 is a third schematic diagram of controlling different QFIs based on different timers according to an embodiment of the present application.
  • FIG. 12 is a sixth flowchart of a method for controlling data replication and transmission according to an embodiment of the present application.
  • FIG. 13 is a schematic diagram of a structure of a terminal device provided by an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of the composition structure of a network device provided by an embodiment of the present application.
  • 15 is a schematic diagram of the structure of a communication device provided by an embodiment of the present invention.
  • FIG. 16 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram 2 of a communication system architecture provided by an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application may be as shown in FIG. 1-2.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network devices in 5G networks, or network devices in the future evolution of Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges
  • the communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110.
  • terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And/or another data connection/network; and/or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device configured to receive/transmit communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Lines
  • WLAN wireless local area networks
  • digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; may include radiotelephones, pagers, Internet/internal PDA with networked access, web browser, notepad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS Personal Communication Systems
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, user equipment (User Equipment), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in PLMNs that will evolve in the future, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminal devices 120.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • Figures 1-2 exemplarily show one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment of the application does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, etc. This embodiment of the present application does not limit this.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • 5G is divided into 3 major application scenarios, eMBB (enhanced mobile broadband), mMTC (massive machine communication), uRLLC (ultra-reliable, low-latency communication).
  • eMBB enhanced mobile broadband
  • mMTC massive machine communication
  • uRLLC ultra-reliable, low-latency communication
  • the IIoT project consideration includes data duplication transmission and multi-connection Data duplication and multi-connectivity.
  • the existing DC and CA duplication can be optimized, or some combination of DC/CA duplication architecture can be used to further improve reliability.
  • the solution that supports data duplication utilizes the data duplication function of PDCP, so that the duplicate PDCP PDU is transmitted to two RLC entities (two different logical channels), and finally the duplicate PDCP PDU can be guaranteed It is transmitted on aggregated carriers of different physical layers, as shown in DRB 1 and DRB 3 in Figure 1-1;
  • the solution supporting data duplication utilizes the data duplication function of PDCP to make the duplicate PDCP PDU They are respectively transmitted to two RLC entities, and the two RLC entities correspond to different MAC entities, as shown in DRB ID 2 in Figure 1-1.
  • the embodiment of the present invention provides a method for controlling data replication and transmission, which is applied to a terminal device. As shown in FIG. 2, the method includes:
  • Step 21 Based on at least one time interval for the at least one object, control the change of the data replication transmission mode of the at least one object.
  • the time interval is controlled by a timer, that is to say, different time intervals can be provided for different objects, and then different timers can be used for different objects.
  • the time interval is controlled by a timer, and it can also be implemented in other ways, but it is not limited in this embodiment.
  • the method may further include: receiving at least one timer configured by the network device for at least one object.
  • the granularity of the object is one of the following: bearer, terminal device, data packet, QoS (Quality of Service) data flow Flow, logical channel, cell group (CG, Cell Group).
  • QoS Quality of Service
  • CG Cell Group
  • the durations of timers for different objects of the same granularity are different or the same.
  • the foregoing time interval may have a one-to-one correspondence with the object.
  • bearer 1 corresponds to time interval 1 and bearer 2 corresponds to time interval 2
  • time intervals 1 and 2 may be different.
  • other granularities can also be used, which is not exhaustive here.
  • the correspondence between timers and objects is also one-to-one correspondence
  • the duration of timers of different objects may be the same or different.
  • different bearers can correspond to different timer durations. Assuming that there are currently three bearers, then the duration of timer 1 of bearer 1 can be A, and the duration of timer 2 of bearer 2 can be B; it can also correspond to different bearers.
  • the duration of the same timer, for example, the duration of timer 3 of bearer 3 is A, which is the same as bearer 1.
  • the bearer in this embodiment may be a data bearer (DRB, Data Resource Bearer) and/or a signaling bearer (SRB, Signal Resource Bearer).
  • DRB Data Resource Bearer
  • SRB Signal Resource Bearer
  • this embodiment can introduce timers for different bearers, such as DRB.
  • a new deactivation method can be added for data replication transmission, thereby reducing the air interface signaling overhead caused by the activation/deactivation signaling interaction.
  • the data replication transmission mode of the corresponding object at the corresponding granularity is deactivated/activated, that is, the state of the corresponding object using data replication transmission or not using data replication transmission.
  • the object when a certain object is in the active state, or the state of using data copy transmission, if the timer expires, the object can be controlled to be in the deactivated state or the state of not using data copy transmission. Or, vice versa, that is, when a certain object is in the deactivated state, or the state of not using data copy transmission, if the timer expires, the object can be controlled to be in the active state or the state of using data copy transmission.
  • the receiving network device configuring at least one timer for at least one object further includes:
  • Radio Resource Control Radio Resource Control
  • the configuration information may be information available in the prior art, which may include an instruction for an initial data replication transmission mode for at least one object.
  • the specific instruction mode is not repeated here.
  • At least one object may be an object with the same granularity, or of course, it may also be an object with a different granularity.
  • at least one timer can be configured for at least one DRB, or at least one timer can be configured for at least one DRB and at least one CG, of course, it can also be other cases, but it is not exhaustive.
  • the initial state of the timer can be a stopped state or an open state; that is, when the initial state of the timer is the stopped state, that is, when the timer is configured to the terminal device, it is in the stopped state, Of course, it can also be in the on state, that is, the timer is in the on state as soon as the terminal device is configured.
  • the initial state of the timer includes:
  • the timer is bound to the initial data replication transmission mode; or,
  • the timer is not bound to the initial data replication transmission mode.
  • the method further includes one of the following:
  • control timer is started or restarted
  • control timer is started or restarted.
  • the initial state of the timer when it has a binding relationship with the initial data copy transmission mode of the timer object, it can be set to determine the initial state of the timer to start or when the initial data copy transmission is activated.
  • Restart when the initial data copy transmission is deactivated, it can be determined that the initial state of the timer is stopped, or the timer does not start.
  • the opposite can also be defined accordingly.
  • the initial state of the timer is determined to be start or restart, and when the initial data copy transmission mode is active, the initial state of the timer is determined To stop or not to start.
  • the method further includes:
  • the control does not start the timer; or,
  • the timer is controlled to start or restart, and the dedicated message is used to start or restart the timer in a state where the timer is stopped by default.
  • the initial state of the timer is not limited by the object's initial data replication transmission mode, but is determined according to the configuration message or dedicated message whether to start or restart the timer, or to determine whether the initial state of the timer is not start up.
  • the dedicated message can be sent to the terminal device by carrying other information, such as MAC CE, RRC, or DCI.
  • the dedicated message when the timer for a certain object is stopped, control according to the dedicated message
  • the initial state of the timer is start or restart; the dedicated message may include the identification information of the object and the specific message content indicating the start or restart of the timer. Of course, it may also contain other content, but it is not exhaustive here.
  • the method further includes:
  • the first information is used to indicate whether to change or not change the data copy transmission mode of the object.
  • the network device may also send a change instruction for the data replication transmission mode to the terminal device.
  • the first message is received, which indicates that the first object changes the data replication transmission mode, and it can be determined to pass the first object.
  • a message changes the first object to the activated state or uses the data copy transmission state. At this time, it is determined to start or restart the timer of the first object.
  • the first message is received, which indicates that the first object changes data
  • the first message is received, which indicates that the first object does not change the data replication transmission mode, and the first object can be determined
  • the timer state of the first object unchanged, or restart the timer if the timer is running at this time
  • the timer is still in the running state, or the timer is currently in the stopped state, and the timer can be kept in the stopped state.
  • the first information is not a change instruction for the first object, so the timer state of the first object remains unchanged. For example, if it was in the running state, it will remain in the running state. If it is in the stopped state, it will remain stopped. status.
  • Case 4 When the first object indicated by the first information changes the data replication transmission mode, and the first object contains at least one other object, control to start or restart the timer corresponding to the at least one other object, and/or , Changing the data replication transmission mode in which the first object includes at least one other object; wherein the granularity of the first object and other objects are different, and the granularity of the different other objects is the same or different;
  • the first object may contain other objects with a smaller granularity.
  • other objects with a smaller granularity may be DRB, QoS Flow, logical channels, etc.
  • Other objects such as DRB, QoS Flow, and at least one timer corresponding to the logical channel, can all be started or restarted; furthermore, when the data replication transmission of other objects is currently active, the first object is received
  • the first information of the data replication transmission mode is changed, at least one other object included in the first object can be changed to a deactivated state, and/or the timer of other objects can be controlled to start or restart.
  • I won't repeat it the first information of the data replication transmission mode
  • the timer for each logical channel, cell group, data packet, and QoS flow contained in the bearer must be started or restarted, and/or, for each logical channel, cell group, data packet, and QoS flow Copy data transfer changes.
  • the data replication transmission of the logical channel is in the deactivated state, after receiving the first information, the data replication transmission mode of the control logical channel is activated, and the timer corresponding to the logical channel is started or restarted; Likewise, no exhaustive list.
  • the processing methods for the other objects mentioned above can be the same, and will not be repeated here.
  • the first method is different from the second method.
  • the second method is deactivation; when the first method is deactivation, the second method is The way is activation.
  • the first method as activation as an example. That is to say, when the first object (such as DRB) is currently (or originally) in the deactivated state, then the first information is received to control the first object to change to the first Mode, namely the activated state, at this time, the timer of the first object can be controlled to start or restart;
  • the first object such as DRB
  • the first information is received to control the first object to change to the first Mode, namely the activated state, at this time, the timer of the first object can be controlled to start or restart;
  • the timer can be in the running state or, of course, it can also be in the stopped state. However, as long as it is received to indicate that the first object is changed to the deactivated state, it is based on the first A message controls the deactivation of the data copy transmission mode of the first object, and the control timer is in a stopped state.
  • Case 7 When the first information indicates that the data transmission mode of the first object is changed to the first mode, and the first object contains at least one other object, change the data transmission mode of at least one other object, and/or control Start or restart at least one timer corresponding to other objects;
  • Case 8 When the first information indicates that the data transmission mode of the first object is changed to the second mode, and the first object includes at least one other object, change the data transmission mode of at least one other object, and/or control Stop the timer corresponding to at least one other object.
  • Cases 7 and 8 are also described together, and the first and second methods can be the same as cases 5 and 6, and will not be repeated. Further, cases 7 and 8 are different from cases 5 and 6 in that the first information of the first object can be controlled by the timer of at least one other object contained in the first object.
  • the first object is a DRB
  • the other objects can be at least one logical channel included in the DRB
  • the first information for the first object is changed to the first way, for example, when in the active state, at least one other object, that is, the corresponding logical channel can be controlled
  • the timer starts or restarts.
  • the reverse is also possible, that is, when the first method is deactivation, the timer of at least one other object can be controlled to start or restart.
  • receiving the first information for the first object is to change to the second mode, that is, the deactivated state, and the timer of at least one logical channel (that is, at least one other object) can be controlled to stop.
  • the second mode is the active state, and the timer of at least one other object can be controlled to stop.
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object is in a deactivated state for data replication and transmission, and the timer controlling the first object is stopped.
  • the first object when the timer of the first object is running, the first object can be in the deactivated state for data replication and transmission. Then, when the first information indicates that the first object is changed to active, it can be A message controls the first object to be in a data replication transmission active state, and controls the timer of the first object to stop.
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object and at least one other object contained therein are in a data replication transmission deactivated state, and/or a timer controlling the first object and at least one other object contained therein is stopped.
  • the first object when the timer of the first object is running, at this time, the first object can be in the deactivated state for data copy transmission, and then the first information indicates that the first object is changed to active according to the A message controls the first object and at least one other object contained in it to be in a data replication transmission active state, and controls the timer of the first object and at least one other object contained in it to stop.
  • the first object and other objects please refer to the above description, and the description will not be repeated here.
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object is in a deactivated state for data replication and transmission, and controls the timer of the first object to start or restart.
  • the first object when the timer of the first object is running, the first object can be in the deactivated state for data replication and transmission. Then, when the first information indicates that the first object is changed to active, it can be A message controls the first object to be in a data replication transmission active state, and controls the timer of the first object to start or restart.
  • Case 4 when the first information indicates that the first object changes the data replication transmission mode, and the first object contains at least one other object, compare at least one other object according to the first information Change the object’s data replication and transmission mode, and/or control the start or restart of the timer of at least one other object;
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object and at least one other object contained therein are in a data replication transmission deactivated state, and/or a timer controlling the first object and at least one other object contained therein is started or restarted.
  • the first object when the timer of the first object is running, the first object can be in the deactivated state for data replication and transmission. Then, when the first information indicates that the first object is changed to active, it can be One piece of information controls the first object and at least one other object contained in it to be in a data replication transmission active state, and controls the timer of the first object and at least one other object contained in it to start or restart.
  • the first object and other objects please refer to the above description, and the description will not be repeated here.
  • This situation indicates that the first object is controlled based on the timer, that is, as long as the timer of the first object is running, regardless of whether it receives the first message and requires it to change the data replication transmission mode, the timer is used as Yes, the data copy transmission mode of the first object is not adjusted according to the first information.
  • control to change the data replication transmission mode of the first object or, when the timer of the first object expires, control does not change the data replication transmission mode of the first object.
  • the first object can be controlled to change from the current data copy transmission mode to another data copy transmission mode, for example, to change the first object from the active state of the data copy transmission mode to the deactivated state ,vice versa.
  • the timer of the first object expires, at least one other object contained in the first object can be controlled to change the data replication transmission mode.
  • the control contains at least one logic The channel changes the data replication transmission mode, for example, from activated to deactivated.
  • the data copy transmission mode of the first object can be controlled and changed according to the first information or other information, that is, a control mode based on the instruction information.
  • introducing a timer-based data replication transmission control method has the advantage of adding a new deactivation/activation method, reducing the overhead of air interface signaling, and reducing the processing complexity of the UE and the base station.
  • This example is mainly aimed at the timer control mode of DRB.
  • the advantage is: reducing signaling overhead and reducing the processing complexity of the UE and the base station.
  • the specific process is shown in Figure 3, taking the network equipment as the base station as an example and the terminal equipment as the UE (user equipment) for description:
  • the base station determines whether a data bearer (including data radio bearer and signaling radio bearer) uses the data replication transmission mode and related configuration information of the data replication transmission mode.
  • a data bearer including data radio bearer and signaling radio bearer
  • the base station determines to use the data replication transmission mode, and informs the UE of the configuration information corresponding to the data replication mode and configures the corresponding timer.
  • the data replication transmission mode or configuration remains unchanged.
  • the duration settings of corresponding timers for different bearers can be different, which has the advantage of increasing control flexibility; or,
  • the duration setting of the timers of different bearers can be the same, which has the advantage of reducing UE complexity.
  • the base station may notify all configuration information and configure the timer through an RRC reconfiguration message.
  • the base station adds a new IE to the PDCP-config IE in the RRC reconfiguration message to notify the timer configuration.
  • the base station adds an IE to the PDCP-config IE in the RRC reconfiguration IE to notify the bearer of timer information.
  • the advantage of reusing RRC reconfiguration messages is to reuse existing messages and procedures as much as possible, reducing UE complexity.
  • PDCP-config indicates the timer corresponding to the bearer through the following description:
  • pdcp-DuplicationTimer can be a ms-level value, for example, ms1 can indicate a 1ms duration, ms2 can indicate a 2ms duration, and so on; ms0 can indicate an unconfigured timer.
  • the UE receives the RRC message from the base station, configures the corresponding RLC entity according to the data replication transmission information indicated by the base station, and transmits according to the initial or default replication data transmission mode.
  • the initial state of the timer can be the following:
  • the timer When binding with the initial data copy transmission mode, if the initial data copy transmission mode is deactivated, the timer will stop; if the initial data copy transmission mode is active, the timer will be started or restarted; or,
  • the timer is stopped; if the initial data copy transmission mode is deactivated, the timer is started or restarted.
  • the timer is started/restarted when the corresponding configuration message is received; or, the timer is not started when the corresponding configuration message is received.
  • the base station When the base station determines that it is necessary to change the data replication mode, the base station instructs the UE to change the data replication mode through the first information.
  • the base station notifies the change through RRC message, MAC CE, and DCI.
  • the base station when the base station judges that the channel quality is higher than the threshold, it uses Activation/Deactivation MAC CE to instruct the user data copy data transmission mode to deactivate.
  • the base station judges that the channel quality is less than the threshold, the MAC CE indicates that the user data copy data transmission mode is activated.
  • the UE receives a data copy mode change indication message from the base station, such as MAC CE, and activates or deactivates according to the corresponding indication information, see FIG. 4.
  • a data copy mode change indication message from the base station, such as MAC CE, and activates or deactivates according to the corresponding indication information, see FIG. 4.
  • Step 201 When the UE receives a change indication message containing the bearer, such as an activation instruction, the UE starts or restarts the timer corresponding to the bearer; when the UE receives the change indication message but the data corresponding to the bearer is copied and transmitted When the mode indication does not change, or when the UE receives a change indication message that does not contain the bearer, the state of the timer corresponding to the bearer remains unchanged;
  • a change indication message containing the bearer such as an activation instruction
  • Step 202a During the operation of the timer, when the UE receives a change indication message containing the bearer, the data replication transmission mode corresponding to the bearer is changed according to the indication. (Include activation instructions, deactivation instructions). Further, if it is a deactivation instruction, the timer stops.
  • Step 202b During the running of the timer, when the UE receives the change indication message containing the bearer, the data replication transmission mode corresponding to the bearer remains unchanged. At this time, if the timer is running, the timer can be restarted, or no processing is performed.
  • the advantage is to avoid frequent state changes, which brings complexity to UE processing. (Include activation instructions, deactivation instructions).
  • Steps 202b and 202a are mutually exclusive.
  • Step 203 When the timer expires, the corresponding bearer data copy transmission mode is deactivated.
  • the advantage is to reduce the signaling overhead of the deactivation indication.
  • the MAC instructs the high-level PDCP replication transmission to be deactivated, and the logical channel corresponding to this DRB no longer uses the allowedServingCells restriction.
  • DRB 1 and 2 After receiving the RRC reconfiguration message configured by the base station, DRB 1 and 2 are currently in the deactivated state.
  • DRB1 When receiving a change instruction for DRB1, control DRB1 to be in the active state and turn on or restart DRB1
  • DRB2 remains unchanged at this time; when receiving the change instruction of DRB2, control DRB2 to be in the active state, and control to start or restart the timer of DRB2, and keep DBR1 in the active state.
  • the timers of DRB1 and 2 expire, control DRB1 and DRB2 to change state to deactivated state.
  • Example 2 is the opposite of Example 1.
  • the corresponding data replication transmission is activated.
  • the terminal device receives the deactivation instruction, it starts or restarts the timer corresponding to the DRB.
  • the timer corresponding to the DRB is started or restarted, the corresponding data copy transmission is deactivated, and the corresponding data copy transmission is deactivated during the operation of the timer r corresponding to the DRB.
  • pdcp-DuplicationTimer when the timer expires, the data replication transmission of the corresponding bearer is activated.
  • the terminal device receives the deactivation instruction for the corresponding bearer, it starts or restarts the timer of the corresponding bearer.
  • the timer of the corresponding bearer is started or restarted, the data copy transmission of the corresponding bearer is deactivated, and the data copy transmission of the corresponding bearer is deactivated during the operation of the timer corresponding to the DRB.
  • the RRC reconfiguration message configured by the base station is received, and DRB 1 and 2 are currently active.
  • DRB1 When receiving a change instruction for DRB1, control DRB1 to be deactivated and start or restart the timer corresponding to DRB1 At this time, DRB2 keeps the original state unchanged; when receiving the change instruction of DRB2, control DRB2 to be in the deactivated state, and control to start or restart the timer of DRB2, and keep DBR1 in the deactivated state.
  • the timers of DRB1 and 2 expire, control DRB1 and DRB2 to change state to active state.
  • different granular timer control methods can be given, such as UE-based timers, packet-based timers, QoS flow-based timers, and logical channel-based timing It is based on the cell group timer.
  • the advantage is to increase the flexible control method of data replication and transmission.
  • the timer duration setting can be different, which has the advantage of increasing control flexibility; or, the timer duration setting can be the same, which has the advantage of reducing UE complexity.
  • different QoS flows in the same DRB use different timers. Since different data packets of different QoS flows correspond to different QoS, the scheduling and channel conditions during actual transmission are different, whether the data packet needs to be activated for replication transmission processing It can also be different.
  • the advantage of using a QoS flow-based timer is that different QoS flows are not affected by each other, so as to ensure that data is transmitted in accordance with different QoS requirements and at the same time improve the effective use of system resources.
  • different timers are used in different cell groups corresponding to the same DRB.
  • the premise is that the MAC entity of one cell group corresponds to more than one RLC entity.
  • the advantage is that when there are multiple MAC entities, different MAC entities are not affected by the other party, and flexible control of replication transmission is increased.
  • one RLC entity such as the main RLC entity
  • the deactivated CG can transmit the split data packet from the DRB; or, when one CG is activated, the other When the CG is deactivated, any RLC entity of the deactivated CG does not transmit data.
  • the following uses a Qos flow-based timer as an example. Due to the different quality of service requirements between different QoS flows, the timer control mechanism that is fine-grained to QoS flow can prevent different QoS flows from being affected by each other, so as to ensure that data is transmitted according to different QoS requirements while improving the system Effective use of resources.
  • the base station determines whether to use the data replication transmission mode and related configuration information of the data replication transmission mode.
  • the base station determines to use the data replication transmission mode and adopts the QoS flow-based control mode, and informs the UE of the configuration information corresponding to the data replication mode and the configuration timer. Among them, the base station notifies all configuration information and the configuration timer through the RRC reconfiguration message.
  • the base station adds a new IE to the PDCP-config IE in the RRC reconfiguration message to notify the per QoS flow timer configuration.
  • the base station adds an IE to the PDCP-config IE in the RRC reconfiguration IE to notify the bearer of timer information.
  • the advantage of reusing RRC reconfiguration messages is to reuse existing messages and procedures as much as possible, reducing UE complexity.
  • PDCP-config includes:
  • the time length settings of the timers of different QoS flows can be different, which has the advantage of increasing control flexibility; or, the time length settings of the timers of different QoS flows can be the same, which has the advantage of reducing UE complexity.
  • the UE receives the RRC message from the base station, configures the corresponding RLC entity according to the data replication transmission information indicated by the base station, and transmits according to the initial or default replication data transmission mode.
  • the specifics are the same as in Example 1, and will not be repeated.
  • the base station determines that it is necessary to change the data replication mode
  • the base station instructs the UE to change the data replication mode through the first information.
  • the specifics are the same as in Example 1, and will not be repeated.
  • the UE receives the indication message for changing the data replication mode from the base station, such as MAC CE, and performs activation or deactivation according to the corresponding indication information. As shown in Figure 8, including:
  • Step 211 When the UE receives a change indication message containing the QoS flow of the bearer, such as an activation indication, the UE starts or restarts the timer corresponding to the bearer; when the UE receives the change indication message but the message corresponds to the bearer When the data replication transmission mode indicates no change, or when the UE receives a change indication message but the QoS flow corresponding to the bearer in the message indicates that the data replication transmission mode does not change, or when the UE receives a change indication message that does not contain the bearer The state of the timer corresponding to the bearer remains unchanged;
  • Step 212a During the operation of the timer, when the UE receives a change indication message containing the QoS flow of the bearer, the data replication transmission mode corresponding to the bearer is changed according to the indication. (Include activation instructions, deactivation instructions). Further, if it is a deactivation instruction, the timer stops.
  • Step 212b During the operation of the timer, when the UE receives a change indication message containing the QoS flow of the bearer, the data replication transmission mode corresponding to the bearer remains unchanged. At this time, if the timer is running, it can be restarted or unchanged.
  • the advantage is to avoid frequent state changes, which brings complexity to UE processing. (Include activation instructions, deactivation instructions)
  • Steps 212b and 212a are mutually exclusive.
  • Step 212c During the operation of the timer, when the UE receives a change indication message containing the bearer, such as an activation indication, the timers of all QFIs corresponding to the bearer are restarted.
  • the advantage is to notify and control all QFIs.
  • Step 212d During the operation of the timer, when the UE receives a change indication message containing the bearer, such as a deactivation indication, the timers of all QFIs corresponding to the bearer are stopped.
  • a change indication message containing the bearer such as a deactivation indication
  • Steps 212c, 212d and 212a can coexist.
  • Steps 212c, 212d and 212b can coexist.
  • Step 213a When the timer expires, the corresponding bearer QoS flow data replication transmission mode is deactivated.
  • the advantage is to reduce the signaling overhead of the deactivation indication.
  • Step 213b When the timer expires, the data replication transmission mode of the corresponding bearer QoS flow is not changed.
  • Steps 213b and 213a are mutually exclusive.
  • Figures 9 and 10 respectively illustrate activation instructions with different granularities.
  • data packets are used as the granularity
  • Figure 10 is taken as the granularity of the QoS flow. Both figures are performed when the RRC reconfiguration message is received.
  • Initial state configuration then when receiving a change instruction for QoS Flow 1, that is, QFI 1, activate QFI1 and start the corresponding timer, when receiving a change instruction for QFI 2, activate QFI2 and start the corresponding timer. Until the timer expires, the status of QFI 1 and 2 is changed to deactivated.
  • Example 3 The reverse scheme of Example 3. The specific processing is similar to Example 3, except that it is opposite to the operation of Example 3.
  • QFI 1 and 2 of DRB1 are activated based on the initial configuration of the RRC reconfiguration message, the corresponding timing
  • deactivate QFI 1 and start the corresponding timer when receiving the change instruction for QFI, deactivate QFI 2 and start the corresponding timer; until QFI
  • the timers of 1 and 2 respectively expire, the states of QFI 1 and 2 are respectively switched to the active state.
  • the embodiment of the present invention provides a method for controlling data replication and transmission, which is applied to a network device. As shown in FIG. 12, the method includes:
  • Step 31 Configure the terminal device with at least one timer for at least one object; the timer is used to provide at least one time interval for at least one object of the terminal device to copy and transmit data of the at least one object based on the time interval The change of the way is controlled.
  • the granularity of the object is one of the following: bearer, terminal device, data packet, QoS (Quality of Service) data flow Flow, logical channel, cell group (CG, Cell Group).
  • QoS Quality of Service
  • CG Cell Group
  • the durations of timers for different objects of the same granularity are different or the same.
  • the foregoing time interval may have a one-to-one correspondence with the object.
  • bearer 1 corresponds to time interval 1 and bearer 2 corresponds to time interval 2
  • time intervals 1 and 2 may be different.
  • it can also be other granularities, which is not exhaustive here.
  • the correspondence between timers and objects is also one-to-one correspondence
  • the duration of timers of different objects may be the same or different.
  • it can correspond to the duration of different timers.
  • the duration of the timer of bearer 1 can be A
  • the duration of the timer of bearer 2 can be B
  • different bearers can also correspond to the same timer duration.
  • the duration of the timer of bearer 3 is A, which is the same as bearer 1.
  • the bearer in this embodiment may be a data bearer (DRB, Data Resource Bearer) and/or a signaling bearer (SRB, Signal Resource Bearer).
  • DRB Data Resource Bearer
  • SRB Signal Resource Bearer
  • this embodiment can introduce timers for different bearers, such as DRB.
  • a new deactivation method can be added for data replication transmission, thereby reducing the air interface signaling overhead caused by the activation/deactivation signaling interaction.
  • the data replication transmission mode of the corresponding object at the corresponding granularity is deactivated/activated, that is, the state of the corresponding object using data replication transmission or not using data replication transmission.
  • the object when a certain object is in the active state, or the state of using data copy transmission, if the timer expires, the object can be controlled to be in the deactivated state or the state of not using data copy transmission. Or, vice versa, that is, when a certain object is in the deactivated state, or the state of not using data copy transmission, if the timer expires, the object can be controlled to be in the active state or the state of using data copy transmission.
  • the configuring at least one timer for at least one object for the terminal device further includes:
  • the configuration information notified to the terminal device Through the RRC reconfiguration message, the configuration information notified to the terminal device, and at least one timer for at least one object.
  • the configuration information may include an indication for the initial data replication transmission mode of at least one object, and the specific indication mode is not repeated here.
  • At least one object may be an object with the same granularity, or of course, it may also be an object with a different granularity.
  • at least one timer can be configured for at least one DRB, or at least one timer can be configured for at least one DRB and at least one CG, of course, it can also be other cases, but it is not exhaustive.
  • the initial state of the timer can be a stopped state or an open state; that is, when the initial state of the timer is the stopped state, that is, when the timer is configured to the terminal device, it is in the stopped state, Of course, it can also be in the on state, that is, the timer is in the on state as soon as the terminal device is configured.
  • the initial state of the timer includes:
  • the timer is bound to the initial data replication transmission mode; or,
  • the timer is not bound to the initial data replication transmission mode.
  • the method further includes one of the following:
  • control timer is started or restarted
  • control timer is started or restarted.
  • the initial state of the timer when it has a binding relationship with the initial data copy transmission mode of the timer object, it can be set to determine the initial state of the timer to start or when the initial data copy transmission is activated.
  • Restart when the initial data copy transmission is deactivated, it can be determined that the initial state of the timer is stopped, or the timer does not start.
  • the opposite can also be defined accordingly.
  • the initial state of the timer is determined to be start or restart; when the initial data copy transmission mode is active, the initial state of the timer is determined To stop or not to start.
  • the method further includes:
  • the control does not start the timer; or,
  • the timer is controlled to start or restart, and the dedicated message is used to start or restart the timer in a state where the timer is stopped by default.
  • the initial state of the timer is not limited by the object's initial data replication transmission mode, but is determined according to the configuration message or dedicated message whether to start or restart the timer, or to determine whether the initial state of the timer is not start up.
  • the dedicated message can be sent to the terminal device by carrying other information, such as MAC CE, RRC, or DCI.
  • the dedicated message when the timer for a certain object is stopped, control according to the dedicated message
  • the initial state of the timer is start or restart; the dedicated message may include the identification information of the object and the specific message content indicating the start or restart of the timer. Of course, it may also contain other content, but it is not exhaustive here.
  • the method further includes:
  • the first information is used to indicate whether to change or not change the data copy transmission mode of the object.
  • the network device may also send a change instruction for the data replication transmission mode to the terminal device.
  • the embodiment of the present invention provides a terminal device, as shown in FIG. 13, including:
  • the first processing unit 42 controls the change of the data replication transmission mode of at least one object based on at least one time interval for the at least one object.
  • the time interval is controlled by a timer, that is to say, different time intervals can be provided for different objects, and then different timers can be used for different objects.
  • the first communication unit 41 receives at least one timer configured by the network device for at least one object.
  • the time interval is controlled by a timer, and it can also be implemented in other ways, but it is no longer limited in this embodiment.
  • the granularity of the object is one of the following: bearer, terminal device, data packet, QoS (Quality of Service) data flow Flow, logical channel, cell group (CG, Cell Group).
  • QoS Quality of Service
  • CG Cell Group
  • the durations of timers for different objects of the same granularity are different or the same.
  • the foregoing time interval may have a one-to-one correspondence with the object.
  • bearer 1 corresponds to time interval 1 and bearer 2 corresponds to time interval 2
  • time intervals 1 and 2 may be different.
  • it can also be other granularities, which is not exhaustive here.
  • the correspondence between timers and objects is also one-to-one correspondence
  • the duration of timers of different objects may be the same or different.
  • different bearers can correspond to different timer durations. Assuming that there are currently three bearers, then the duration of timer 1 of bearer 1 can be A, and the duration of timer 2 of bearer 2 can be B; it can also correspond to different bearers.
  • the duration of the same timer, for example, the duration of timer 3 of bearer 3 is A, which is the same as bearer 1.
  • the bearer in this embodiment may be a data bearer (DRB, Data Resource Bearer) and/or a signaling bearer (SRB, Signal Resource Bearer).
  • DRB Data Resource Bearer
  • SRB Signal Resource Bearer
  • this embodiment can introduce timers for different bearers, such as DRB.
  • a new deactivation method can be added for data replication transmission, thereby reducing the air interface signaling overhead caused by the activation/deactivation signaling interaction.
  • the data replication transmission mode of the corresponding object at the corresponding granularity is deactivated/activated, that is, the state of the corresponding object using data replication transmission or not using data replication transmission.
  • the object when a certain object is in the active state, or the state of using data copy transmission, if the timer expires, the object can be controlled to be in the deactivated state or the state of not using data copy transmission. Or, vice versa, that is, when a certain object is in the deactivated state, or the state of not using data copy transmission, if the timer expires, the object can be controlled to be in the active state or the state of using data copy transmission.
  • the first communication unit 41 obtains configuration information notified by a network device and at least one timer for at least one object through a radio resource control (RRC, Radio Resource Control) reconfiguration message.
  • RRC Radio Resource Control
  • the configuration information may be information available in the prior art, which may include an instruction for an initial data replication transmission mode for at least one object.
  • the specific instruction mode is not repeated here.
  • At least one object may be an object with the same granularity, or of course, it may also be an object with a different granularity.
  • at least one timer can be configured for at least one DRB, or at least one timer can be configured for at least one DRB and at least one CG, of course, it can also be other cases, but it is not exhaustive.
  • the initial state of the timer can be a stopped state or an open state; that is, when the initial state of the timer is the stopped state, that is, when the timer is configured to the terminal device, it is in the stopped state, Of course, it can also be in the on state, that is, the timer is in the on state as soon as the terminal device is configured.
  • the initial state of the timer includes:
  • the timer is bound to the initial data replication transmission mode; or,
  • the timer is not bound to the initial data replication transmission mode.
  • the terminal device When the initial state of the timer is bound to the initial data replication transmission mode, the terminal device further includes a first processing unit 42 that performs one of the following:
  • control timer is started or restarted
  • control timer is started or restarted.
  • the initial state of the timer when it has a binding relationship with the initial data copy transmission mode of the timer object, it can be set to determine the initial state of the timer to start or when the initial data copy transmission is activated.
  • Restart when the initial data copy transmission is deactivated, it can be determined that the initial state of the timer is stopped, or the timer does not start.
  • the opposite can also be defined accordingly.
  • the initial state of the timer is determined to be start or restart; when the initial data copy transmission mode is active, the initial state of the timer is determined To stop or not to start.
  • the first processing unit 42 controls to start or restart the timer when receiving the configuration message corresponding to the object; or,
  • the control does not start the timer; or,
  • the timer is controlled to start or restart, and the dedicated message is used to start or restart the timer in a state where the timer is stopped by default.
  • the initial state of the timer is not limited by the object's initial data replication transmission mode, but is determined according to the configuration message or dedicated message whether to start or restart the timer, or to determine whether the initial state of the timer is not start up.
  • the dedicated message can be sent to the terminal device by carrying other information, such as MAC CE, RRC, or DCI.
  • the dedicated message when the timer for a certain object is stopped, control according to the dedicated message
  • the initial state of the timer is start or restart; the dedicated message may include the identification information of the object and the specific message content indicating the start or restart of the timer. Of course, it may also contain other content, but it is not exhaustive here.
  • the first communication unit 41 obtains the first information sent by the network device through one of MAC CE, RRC message, and DCI;
  • the first information is used to indicate whether to change or not change the data copy transmission mode of the object.
  • the network device may also send a change instruction for the data replication transmission mode to the terminal device.
  • the first processing unit 42 controls to start or restart the timer corresponding to the first object when the first information indicates that the first object changes the data replication transmission mode;
  • the first message is received, which indicates that the first object changes the data replication transmission mode, and it can be determined to pass the first object.
  • a message changes the first object to the activated state or uses the data copy transmission state. At this time, it is determined to start or restart the timer of the first object.
  • the first message is received, which indicates that the first object changes data
  • the first processing unit 42 controls to keep the timer state of the first object unchanged when the first information indicates that the first object does not change the data replication transmission mode, or restarts if the timer is in the running state at this time Timer
  • the first message is received, which indicates that the first object does not change the data replication transmission mode, and the first object can be determined
  • the timer state of the first object unchanged, or restart the timer if the timer is running at this time Device. For example, when the timer is in the running state, the timer is still in the running state, or the timer is currently in the stopped state, and the timer can be kept in the stopped state.
  • Case 3 The first processing unit 42 keeps the timer state of the first object unchanged when the first information does not include a message for the first object;
  • the first information is not a change instruction for the first object, so the timer state of the first object remains unchanged. For example, if it was in the running state, it will remain in the running state. If it is in the stopped state, it will remain stopped. status.
  • Case 4 The first processing unit 42, when the first object indicated by the first information changes the data replication transmission mode, and the first object contains at least one other object, control to start or restart the corresponding one of the at least one other object A timer, and/or, changing the data replication transmission mode of the first object including at least one other object; wherein the granularity of the first object and other objects are different, and the granularity of the different other objects is the same or different;
  • the first object may contain other objects with a smaller granularity.
  • other objects with a smaller granularity may be DRB, QoS Flow, logical channels, etc.
  • Other objects such as DRB, QoS Flow, and at least one timer corresponding to the logical channel, can all be started or restarted; furthermore, when the data replication transmission of other objects is currently active, the first object is received
  • the first information of the data replication transmission mode is changed, at least one other object included in the first object can be changed to a deactivated state, and/or the timer of other objects can be controlled to start or restart.
  • I won't repeat it the first information of the data replication transmission mode
  • the timer for each logical channel, cell group, data packet, and QoS flow contained in the bearer must be started or restarted, and/or, for each logical channel, cell group, data packet, and QoS flow Copy data transfer changes.
  • the data replication transmission of the logical channel is in the deactivated state, after receiving the first information, the data replication transmission mode of the control logical channel is activated, and the timer corresponding to the logical channel is started or restarted; Likewise, no exhaustive list.
  • the processing methods for the other objects mentioned above can be the same, and will not be repeated here.
  • the first processing unit 42 when the first information indicates that the changed data transmission mode of the first object is the first mode, control to start or restart the timer corresponding to the first object;
  • the first processing unit 42 when the first information indicates that the change data transmission mode of the first object is the second mode, control to stop the timer corresponding to the first object; wherein, the first mode is different from the second mode ;
  • the first method is different from the second method.
  • the second method is deactivation; when the first method is deactivation, the second method is The way is activation.
  • the first method as activation as an example. That is to say, when the first object (such as DRB) is currently (or originally) in the deactivated state, then the first information is received to control the first object to change to the first Mode, namely the activated state, at this time, the timer of the first object can be controlled to start or restart;
  • the first object such as DRB
  • the first information is received to control the first object to change to the first Mode, namely the activated state, at this time, the timer of the first object can be controlled to start or restart;
  • the timer can be in the running state or, of course, it can also be in the stopped state. However, as long as it is received to indicate that the first object is changed to the deactivated state, it is based on the first A message controls the deactivation of the data copy transmission mode of the first object, and the control timer is in a stopped state.
  • Case 7 The first processing unit 42, when the first information indicates that the data transmission mode of the first object is changed to the first mode, and the first object includes at least one other object, change the data transmission mode of at least one other object , And/or, control to start or restart the timer corresponding to at least one other object;
  • the first processing unit 42 when the first information indicates that the data transmission mode of the first object is changed to the second mode, and the first object includes at least one other object, change the data transmission mode of at least one other object , And/or, control to stop the timer corresponding to at least one other object.
  • Cases 7 and 8 are also described together, and the first and second methods can be the same as cases 5 and 6, and will not be repeated. Further, cases 7 and 8 are different from cases 5 and 6 in that the first information of the first object can be controlled by the timer of at least one other object contained in the first object.
  • the first object is a DRB
  • the other objects can be at least one logical channel included in the DRB
  • the first information for the first object is changed to the first way, for example, when in the active state, at least one other object, that is, the corresponding logical channel can be controlled
  • the timer starts or restarts.
  • the reverse is also possible, that is, when the first method is deactivation, the timer of at least one other object can be controlled to start or restart.
  • receiving the first information for the first object is to change to the second mode, that is, the deactivated state, and the timer of at least one logical channel (that is, at least one other object) can be controlled to stop.
  • the second mode is the active state, and the timer of at least one other object can be controlled to stop.
  • the first processing unit 42 during the running of the timer of the first object, when the first information indicates that the first object changes the data replication transmission mode, perform the data replication transmission mode of the first object according to the first information Change and control the timer of the first object to stop;
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object is in a deactivated state for data replication and transmission, and the timer controlling the first object is stopped.
  • the first object when the timer of the first object is running, the first object can be in the deactivated state for data replication and transmission. Then, when the first information indicates that the first object is changed to active, it can be A message controls the first object to be in a data replication transmission active state, and controls the timer of the first object to stop.
  • the first processing unit 42 during the running of the timer of the first object, when the first information indicates that the first object changes the data replication transmission mode, and the first object contains at least one other object, according to the first object A message changes the data replication transmission mode of at least one other object, and controls the timer of at least one other object to stop;
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object and at least one other object contained therein are in a data replication transmission deactivated state, and a timer controlling the first object and at least one other object contained therein is stopped.
  • the first object when the timer of the first object is running, at this time, the first object can be in the deactivated state for data copy transmission, and then the first information indicates that the first object is changed to active according to the A message controls the first object and at least one other object contained in it to be in a data replication transmission active state, and controls the timer of the first object and at least one other object contained in it to stop.
  • the first object and other objects please refer to the above description, and the description will not be repeated here.
  • the first processing unit 42 during the running of the timer of the first object, when the first information indicates that the first object changes the data replication transmission mode, perform the data replication transmission mode of the first object according to the first information Change and control the start or restart of the timer of the first object;
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object is in a deactivated state for data replication and transmission, and controls the timer of the first object to start or restart.
  • the first object when the timer of the first object is running, the first object can be in the deactivated state for data replication and transmission. Then, when the first information indicates that the first object is changed to active, it can be A message controls the first object to be in a data replication transmission active state, and controls the timer of the first object to start or restart.
  • Case 4 The first processing unit 42, during the running of the timer of the first object, when the first information indicates that the first object changes the data replication transmission mode, and the first object contains at least one other object, according to the first object A message changes the data replication transmission mode of at least one other object, and controls the start or restart of the timer of at least one other object;
  • the first object when the timer of the first object is running, at this time, the first object can be in the active state of data replication transmission, then the first information indicates that the first object is changed to deactivate, and the control can be controlled according to the first information
  • the first object and at least one other object contained therein are in a data replication transmission deactivated state, and the timers of the first object and at least one other object contained therein are controlled to start or restart.
  • the first object when the timer of the first object is running, the first object can be in the deactivated state for data replication and transmission. Then, when the first information indicates that the first object is changed to active, it can be One piece of information controls the first object and at least one other object contained in it to be in a data replication transmission active state, and controls the timer of the first object and at least one other object contained in it to start or restart.
  • the first object and other objects please refer to the above description, and the description will not be repeated here.
  • the first processing unit 42 keeps the data copy transmission mode of the first object unchanged when receiving the first information for the first object during the running of the timer of the first object.
  • This situation indicates that the first object is controlled based on the timer, that is, as long as the timer of the first object is running, regardless of whether it receives the first message and requires it to change the data replication transmission mode, the timer is used as Yes, the data copy transmission mode of the first object is not adjusted according to the first information.
  • control to change the data replication transmission mode of the first object or, when the timer of the first object expires, control does not change the data replication transmission mode of the first object.
  • the first object can be controlled to change from the current data copy transmission mode to another data copy transmission mode, for example, to change the first object from the active state of the data copy transmission mode to the deactivated state ,vice versa.
  • the timer of the first object expires, at least one other object contained in the first object can be controlled to change the data replication transmission mode.
  • the control contains at least one logic The channel changes the data replication transmission mode, for example, from activated to deactivated.
  • the data copy transmission mode of the first object can be controlled and changed according to the first information or other information, that is, a control mode based on the instruction information.
  • introducing a timer-based data replication transmission control method has the advantage of adding a new deactivation/activation method, reducing the overhead of air interface signaling, and reducing the processing complexity of the UE and the base station.
  • This example is mainly aimed at the timer control mode of DRB.
  • the advantage is: reducing signaling overhead and reducing the processing complexity of the UE and the base station.
  • the first communication unit receives the RRC reconfiguration message configured by the base station, and DRBs 1 and 2 are currently in the deactivated state.
  • the first processing unit 42 When receiving a change indication for DRB1, the first processing unit 42: Control DRB1 to be active and start or restart the timer corresponding to DRB1. At this time, DRB2 remains unchanged; when receiving the DRB2 change instruction, control DRB2 to be active, and control to start or restart the timer of DRB2, Keep DBR1 in the active state at this time.
  • control DRB1 and DRB2 expire, control DRB1 and DRB2 to change state to deactivated state.
  • Example 2 is the opposite of Example 1.
  • the corresponding data replication transmission is activated.
  • the terminal device receives the deactivation instruction, it starts or restarts the timer corresponding to the DRB.
  • the timer corresponding to the DRB is started or restarted, the corresponding data copy transmission is deactivated, and the corresponding data copy transmission is deactivated during the operation of the timer corresponding to the DRB.
  • pdcp-DuplicationTimer when the timer expires, the data replication transmission of the corresponding bearer is activated.
  • the terminal device receives the deactivation instruction for the corresponding bearer, it starts or restarts the timer of the corresponding bearer.
  • the timer of the corresponding bearer is started or restarted, the data copy transmission of the corresponding bearer is deactivated, and the data copy transmission of the corresponding bearer is deactivated during the operation of the timer corresponding to the DRB.
  • the RRC reconfiguration message configured by the base station is received, and DRB 1, 2 are currently in the active state.
  • DRB1 When receiving the change instruction for DRB1, control DRB1 to be in the deactivated state and start or restart the timer corresponding to DRB1
  • DRB2 keeps the original state unchanged; when receiving the change instruction of DRB2, control DRB2 to be in the deactivated state, and control to start or restart the timer of DRB2, and keep DBR1 in the deactivated state.
  • the timers of DRB1 and 2 expire, control DRB1 and DRB2 to change state to active state.
  • different granular timer control methods can be given, such as UE-based timers, packet-based timers, QoS flow-based timers, and logical channel-based timing It is based on the cell group timer.
  • the advantage is to increase the flexible control method of data replication and transmission.
  • the timer duration setting can be different, which has the advantage of increasing control flexibility; or, the timer duration setting can be the same, which has the advantage of reducing UE complexity.
  • different QoS flows in the same DRB use different timers. Since different data packets of different QoS flows correspond to different QoS, the scheduling and channel conditions during actual transmission are different, whether the data packet needs to be activated for replication transmission processing It can also be different.
  • the advantage of using a QoS flow-based timer is that different QoS flows are not affected by each other, so as to ensure that data is transmitted in accordance with different QoS requirements and at the same time improve the effective use of system resources.
  • different timers are used in different cell groups corresponding to the same DRB.
  • the premise is that the MAC entity of one cell group corresponds to more than one RLC entity.
  • the advantage is that when there are multiple MAC entities, different MAC entities are not affected by the other party, and flexible control of replication transmission is increased.
  • one RLC entity such as the main RLC entity
  • the deactivated CG can transmit the split data packet from the DRB; or, when one CG is activated, the other When the CG is deactivated, any RLC entity of the deactivated CG does not transmit data.
  • the following uses a Qos flow-based timer as an example. Due to the different quality of service requirements between different QoS flows, the timer control mechanism that is fine-grained to QoS flow can prevent different QoS flows from being affected by each other, so as to ensure that data is transmitted according to different QoS requirements while improving the system Effective use of resources.
  • Figures 9 and 10 respectively illustrate activation instructions with different granularities.
  • data packets are used as the granularity
  • Figure 10 is taken as the granularity of the QoS flow. Both figures are performed when the RRC reconfiguration message is received.
  • Initial state configuration then when receiving a change instruction for QoS Flow 1, that is, QFI 1, activate QFI1 and start the corresponding timer, when receiving a change instruction for QFI 2, activate QFI2 and start the corresponding timer. Until the timer expires, the status of QFI 1 and 2 is changed to deactivated.
  • Example 3 The reverse scheme of Example 3. The specific processing is similar to Example 3, except that it is opposite to the operation of Example 3.
  • QFI 1 and 2 of DRB1 are activated based on the initial configuration of the RRC reconfiguration message, the corresponding timing
  • deactivate QFI 1 and start the corresponding timer when receiving the change instruction for QFI, deactivate QFI 2 and start the corresponding timer; until QFI
  • the timers of 1 and 2 respectively expire, the states of QFI 1 and 2 are respectively switched to the active state.
  • the embodiment of the present invention provides a network device. As shown in FIG. 14, the method includes:
  • the second communication unit 51 is configured to configure the terminal device with at least one timer for at least one object; the timer is used to provide at least one time interval for at least one object of the terminal device, so as to provide information on the at least one object based on the time interval.
  • the change of the data replication transmission method is controlled.
  • the time interval is controlled by a timer, and it can also be implemented in other ways, but it is no longer limited in this embodiment.
  • the granularity of the object is one of the following: bearer, terminal device, data packet, QoS (Quality of Service) data flow Flow, logical channel, cell group (CG, Cell Group).
  • QoS Quality of Service
  • CG Cell Group
  • the durations of timers for different objects of the same granularity are different or the same.
  • the foregoing time interval may have a one-to-one correspondence with the object.
  • bearer 1 corresponds to time interval 1 and bearer 2 corresponds to time interval 2
  • time intervals 1 and 2 may be different.
  • it can also be other granularities, which is not exhaustive here.
  • the correspondence between timers and objects is also one-to-one correspondence
  • the duration of timers of different objects may be the same or different.
  • it can correspond to the duration of different timers.
  • the duration of the timer of bearer 1 can be A
  • the duration of the timer of bearer 2 can be B
  • different bearers can also correspond to the same timer duration.
  • the duration of the timer of bearer 3 is A, which is the same as bearer 1.
  • the bearer in this embodiment may be a data bearer (DRB, Data Resource Bearer) and/or a signaling bearer (SRB, Signal Resource Bearer).
  • DRB Data Resource Bearer
  • SRB Signal Resource Bearer
  • this embodiment can introduce timers for different bearers, such as DRB.
  • a new deactivation method can be added for data replication transmission, thereby reducing the air interface signaling overhead caused by the activation/deactivation signaling interaction.
  • the data replication transmission mode of the corresponding object at the corresponding granularity is deactivated/activated, that is, the state of the corresponding object using data replication transmission or not using data replication transmission.
  • the object when a certain object is in the active state, or the state of using data copy transmission, if the timer expires, the object can be controlled to be in the deactivated state or the state of not using data copy transmission. Or, vice versa, that is, when a certain object is in the deactivated state, or the state of not using data copy transmission, if the timer expires, the object can be controlled to be in the active state or the state of using data copy transmission.
  • the second communication unit 51 uses the RRC reconfiguration message to notify the terminal device of the configuration information and at least one timer for at least one object.
  • the configuration information may include an indication for the initial data replication transmission mode of at least one object, and the specific indication mode is not repeated here.
  • At least one object may be an object with the same granularity, or of course, it may also be an object with a different granularity.
  • at least one timer can be configured for at least one DRB, or at least one timer can be configured for at least one DRB and at least one CG, of course, it can also be other cases, but it is not exhaustive.
  • the initial state of the timer can be a stopped state or an open state; that is, when the initial state of the timer is the stopped state, that is, when the timer is configured to the terminal device, it is in the stopped state, Of course, it can also be in the on state, that is, the timer is in the on state as soon as the terminal device is configured.
  • the initial state of the timer includes:
  • the timer is bound to the initial data replication transmission mode; or,
  • the timer is not bound to the initial data replication transmission mode.
  • the second communication unit 51 sends the first information to the terminal device through one of MAC CE, RRC message, and DCI;
  • the first information is used to indicate whether to change or not change the data copy transmission mode of the object.
  • the network device may also send a change instruction for the data replication transmission mode to the terminal device.
  • FIG. 15 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device may be the aforementioned terminal device or network device in this embodiment.
  • the communication device 600 shown in FIG. 6 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiments of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
  • the communication device 600 may specifically be a terminal device or a network device in an embodiment of the application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the application. It's concise, so I won't repeat it here.
  • FIG. 16 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 700 shown in FIG. 16 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system chips, chip systems, or system-on-chip chips.
  • FIG. 17 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown in FIG. 17, the communication system 800 includes a terminal device 810 and a network device 820.
  • the terminal device 810 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 820 can be used to implement the corresponding function implemented by the network device in the above method.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by instructions in the form of hardware integrated logic circuits or software in the processor.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be Read-Only Memory (ROM), Programmable Read-Only Memory (Programmable ROM, PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), and Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for simplicity And will not be repeated here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
  • the embodiment of the application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. And will not be repeated here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product
  • the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

L'invention concerne un procédé de commande de transmission de duplication de données, un dispositif terminal, un dispositif de réseau, une puce, un support d'informations lisible par ordinateur, un produit-programme informatique et un programme informatique. Le procédé consiste : en fonction d'au moins un intervalle de temps pour au moins un objet, à commander un changement d'un procédé de transmission de duplication de données desdits objets.
PCT/CN2019/072054 2019-01-16 2019-01-16 Procédé de commande de transmission de duplication de données, dispositif terminal et dispositif de réseau WO2020147052A1 (fr)

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CN201980057205.4A CN112640508B (zh) 2019-01-16 2019-01-16 一种数据复制传输的控制方法、终端设备及网络设备

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US10716094B2 (en) * 2017-03-23 2020-07-14 Ofinno, Llc Packet duplication in a wireless device and wireless network
CN108631980B (zh) * 2017-03-24 2021-03-05 电信科学技术研究院 数据传输方法、终端、网络侧设备和计算机可读存储介质
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