WO2020220355A1 - Procédé de traitement d'une défaillance de liaison radio, dispositif réseau et dispositif terminal - Google Patents

Procédé de traitement d'une défaillance de liaison radio, dispositif réseau et dispositif terminal Download PDF

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Publication number
WO2020220355A1
WO2020220355A1 PCT/CN2019/085382 CN2019085382W WO2020220355A1 WO 2020220355 A1 WO2020220355 A1 WO 2020220355A1 CN 2019085382 W CN2019085382 W CN 2019085382W WO 2020220355 A1 WO2020220355 A1 WO 2020220355A1
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WIPO (PCT)
Prior art keywords
transmission
terminal device
transmission resource
data replication
data
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PCT/CN2019/085382
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English (en)
Chinese (zh)
Inventor
卢前溪
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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 CN201980064866.XA priority Critical patent/CN112789879B/zh
Priority to PCT/CN2019/085382 priority patent/WO2020220355A1/fr
Publication of WO2020220355A1 publication Critical patent/WO2020220355A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management

Definitions

  • the present invention relates to the field of information processing technology, and in particular to a wireless link failure processing method, network equipment, terminal equipment, chip, computer readable storage medium, computer program product, and computer program.
  • 5G is divided into 3 major application scenarios: eMBB, mMTC, uRLLC.
  • Data duplication and multi-connectivity are considered in the IIoT project.
  • NR IIoT WID RP-190728
  • NR IIoT WID RP-190728
  • this architecture there is no relevant processing method for wireless link failure.
  • embodiments of the present invention provide a wireless link failure processing method, network equipment, terminal equipment, chips, computer-readable storage media, computer program products, and computer programs.
  • a wireless link failure processing method is provided, which is applied to a terminal device.
  • the terminal device performs carrier aggregation CA and dual-connection DC combined data replication transmission, or the terminal device performs at least two Data replication and transmission of transmission resources, the method includes:
  • Report failure to network equipment determine whether to perform copy transmission, modify the activated transmission resource, modify the transmission resource used for copy transmission, modify the activated transmission resource or the list of allowed service cells/cells corresponding to the transmission resource used for copy transmission , Report the modified copy transmission status, report the modified transmission resource, report the resource used for copy transmission, report the modified active transmission resource or the list of allowed serving cells/cells corresponding to the transmission resource used for copy transmission.
  • a wireless link failure processing method which is applied to a network device, and the method includes:
  • the terminal device is configured with carrier aggregation CA and dual-connection DC combined data replication transmission, or the terminal device is configured with data replication transmission including at least two transmission resources.
  • a terminal device performs data replication transmission combining carrier aggregation CA and dual connectivity DC, or, the terminal device performs data replication transmission including at least two transmission resources, and Terminal equipment includes:
  • the first processing unit if the terminal device is in the first state, execute at least one of the following operations:
  • Report failure to network equipment determine whether to perform copy transmission, modify the activated transmission resource, modify the transmission resource used for copy transmission, modify the activated transmission resource or the list of allowed service cells/cells corresponding to the transmission resource used for copy transmission , Report the modified copy transmission status, report the modified transmission resource, report the resource used for copy transmission, report the modified active transmission resource or the list of allowed serving cells/cells corresponding to the transmission resource used for copy transmission.
  • a network device including:
  • the second communication unit is configured to configure carrier aggregation CA and dual-connection DC combined data replication transmission for the terminal device, or configure the terminal device with data replication transmission including at least two transmission resources.
  • 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 of its implementation modes.
  • 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 second aspect or each of its implementation modes.
  • a chip is provided for implementing any one of the foregoing first aspect to second aspect or the method in each implementation manner of the second aspect.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the method in the first aspect or any one of the above-mentioned aspects or various implementation modes thereof.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute the method in the first aspect or the second aspect or each implementation manner thereof.
  • a computer program product including computer program instructions, which cause a computer to execute the methods in the first aspect or the second aspect or each implementation manner thereof.
  • a computer program which when run on a computer, causes the computer to execute the method in the first aspect or the second aspect or each of its implementation modes.
  • FIG. 1 is a schematic diagram 1 of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic flow chart 1 of a wireless link failure processing method provided by an embodiment of the present invention
  • Figure 3 is a schematic diagram of the architecture of data replication and transmission
  • Figures 4-6 are various schematic diagrams of the combined dual-connection architecture
  • FIG. 7 is a schematic diagram 2 of a flow chart of a wireless link failure processing method provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a scenario of a wireless link failure processing method provided by an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another scenario of a wireless link failure processing method provided by an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of the structure of a terminal device provided by an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of the composition structure of a network device provided by an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of the composition structure of a communication device provided by an embodiment of the present invention.
  • FIG. 13 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 14 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
  • GSM Global System of Mobile Communication
  • 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.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a UE 120 (or called a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with UEs located in the coverage area.
  • the network equipment 110 may be a network equipment (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a network equipment (NodeB, NB) in a WCDMA system, or an evolution in an LTE system Type network equipment (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment may be a mobile switching center, a relay station, an access point, In-vehicle devices, wearable devices, hubs, switches, bridges, routers, network side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB network equipment
  • LTE system Type network equipment Evolutional Node B, eNB or eNodeB
  • CRAN Cloud Radio Access Network
  • the network equipment may be a mobile switching center, a relay station, an access point, In-vehicle devices, wearable
  • the communication system 100 also includes at least one UE 120 located within the coverage area of the network device 110.
  • UE as used herein includes but is not limited to connection via wired lines, such as via public switched telephone networks (PSTN), digital subscriber lines (Digital Subscriber Line, DSL), digital cables, and direct cable connections; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another UE's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a UE set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a "mobile terminal”.
  • direct terminal connection (Device to Device, D2D) communication may be performed between UEs 120.
  • the embodiment of the present invention provides a wireless link failure processing method, which is applied to a terminal device.
  • the terminal device performs carrier aggregation CA and dual-connection DC combined data replication transmission, or the terminal device performs at least two The data replication transmission of the transmission resource, as shown in FIG. 2, the method includes:
  • Step 21 If the terminal device is in the first state, perform at least one of the following operations:
  • Report failure to network equipment determine whether to perform copy transmission, modify the activated transmission resource, modify the transmission resource used for copy transmission, modify the activated transmission resource or the list of allowed service cells/cells corresponding to the transmission resource used for copy transmission , Report the modified copy transmission status, report the modified transmission resource, report the resource used for copy transmission, report the modified active transmission resource or the list of allowed serving cells/cells corresponding to the transmission resource used for copy transmission.
  • the first state represents at least one of the following: an activated transmission resource or a transmission resource used to transmit replicated data has a problem with a radio link, a radio link fails, a transmission quality problem occurs, and the transmission quality is less than or equal to a threshold.
  • the transmission resource may specifically be any one of a carrier, a path (leg), an RLC entity, a logical channel, and a list of allowed serving cells/cells.
  • the number of transmission resources may be indicated or configured by the network.
  • the number of activated transmission resources may be instructed or configured by the network.
  • the number of transmission resources or activated transmission resources may be one of 1, 2, 3, and 4.
  • 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 RLC entities). Different logical channels), and finally ensure that the copied PDCP PDU can be transmitted on aggregated carriers of different physical layers, thereby achieving frequency diversity gain and improving data transmission reliability.
  • the solution supporting data duplication utilizes the data duplication function of PDCP, so that the copied PDCP PDU is transmitted to two RLC entities respectively, and the two RLC entities correspond to different MAC entities, as shown in Figure 3.
  • DRB2 shows.
  • the possible replication transmission architecture of this solution is at least one of the following:
  • each MAC entity is configured with at most two RLC entities.
  • Fig. 5 The difference between Fig. 5 and Fig. 4 is that there are two MAC entities at most, and the number of RLC entities configurable for each MAC entity can be different, the total number is 4;
  • Fig. 6 The difference between Fig. 6 and Fig. 5 is that there are two MAC entities at most, and the number of RLC entities configurable for each MAC entity can be different, and the total number is up to 4.
  • the number of MAC entities may be more than two.
  • the number of RLC entities configured or activated by each MAC entity may be the same or different.
  • each MAC entity can configure or activate more than two RLC entities at most, which may also be equal to two RLC entities, or may be less than two RLC entities.
  • a wireless link failure processing method is provided, which is applied to a network device. As shown in FIG. 7, the method includes:
  • Step 31 Configure carrier aggregation CA and dual-connection DC combined data replication transmission for the terminal device, or configure the terminal device with data replication transmission including at least two transmission resources.
  • each logical channel is configured with at least one allowed service cell/cell list
  • the network device also configures transmission resources for the terminal device, such as a logical channel, a corresponding allowed serving cell, or a cell list, and the method further includes:
  • each logical channel is configured with at least one permitted serving cell/cell list.
  • Scenario 1 When the terminal device determines that it is in the first state, it reports a problem or failure to the network device. Specifically:
  • the method further includes: obtaining at least one permitted serving cell/cell list corresponding to each of the at least two transmission resources configured by the network device for the terminal device.
  • the terminal device performs data replication transmission, or the terminal device is in a data replication transmission state.
  • the terminal device performing data replication transmission includes at least one of the following:
  • CA and DC combined data replication transmission, or data replication transmission of at least two transmission resources are configured; for example, a network device can configure a terminal device with CA and DC combined data replication transmission, or a terminal device can be configured with at least two such as Data replication and transmission of 3 logical channels.
  • the data replication transmission of the combination of CA and DC or the data replication transmission of at least two transmission resources are in the active state; the difference from the foregoing is that the focus of this method is not when the data replication transmission is activated, but only the current moment The terminal device is active.
  • the network device sends a data copy transmission instruction to the terminal device, which can be understood as the network device instructs the terminal device to start data copy transmission based on the configuration, or the network setting instructs the terminal device to activate data copy transmission, or the network setting instructs the terminal device to specific data copy transmission Activate; among them, the terminal device can be specifically instructed to perform data copy transmission combined with CA and DC, or the terminal device can be instructed to perform data copy transmission of multiple logical channels; of course, it can also be instructed to perform data copy transmission.
  • the configuration content determines whether the data replication transmission combined with CA and DC or the data replication transmission of multiple logical channels is performed.
  • the data replication transmission of the at least two transmission resources is configured, including: the data replication transmission of at least two logical channels, or paths, or carriers, or RLC entities, or allowed serving cells/cell lists are configured;
  • the data replication transmission for activating at least two transmission resources includes: data replication transmission for activating at least two logical channels, or paths, or carriers, or RLC entities, or serving cells/cell lists allowed to be used;
  • the data replication transmission of the at least two transmission resources is in an active state, including: the data replication transmission of at least two logical channels, or paths, or carriers, or RLC entities, or a list of allowed serving cells/cells is in an active state.
  • the following processing may also be included: determining whether the terminal device is configured for data replication transmission combined with CA and DC, or whether to configure data replication transmission for at least two transmission resources.
  • the terminal device By judging whether the terminal device is configured with CA and DC combined data replication transmission, it can be determined whether the terminal device can perform data replication transmission, and then it can be determined whether the terminal device is currently controlled to perform data replication transmission;
  • the terminal device can be judged whether the terminal device is configured for data replication transmission of at least two transmission resources, for example, it can be judged whether the terminal device is configured with 3 (or more) logical channels or RLC entities for data replication transmission. If so, it can be further determined The terminal device performs data copy transmission, or it can be determined that the terminal device is in a data copy transmission state.
  • the network device will configure the terminal device so that the terminal device performs data copy transmission, for example, it may include at least one of the following:
  • Configuring data replication transmission of at least two transmission resources for the terminal device including: sending at least two logical channels, leg, carrier, RLC entity, and data replication transmission configuration of one of the allowed serving cells/cell list;
  • Activating the data replication transmission of at least two transmission resources includes: instructing the terminal device to activate the data replication transmission of at least two logical channels, legs, carriers, RLC entities, and a list of allowed serving cells/cells.
  • the solution provided in this scenario also includes the processing of how to judge whether the terminal device is in the first state. Specifically, it may be: judging the activated transmission resource or the transmission resource configured to transmit the copied data or the corresponding only includes the SCell, If yes, it can be determined that the terminal device is in the first state;
  • the activated transmission resource or the transmission resource for transmitting the replicated data is configured/corresponding to only the secondary cell SCell, it may be determined whether the terminal device is in the first state based on the first preset condition.
  • the first preset condition includes at least one of the following:
  • the configured serving cell only includes the SCell
  • the mapped or used carrier is the carrier of the SCell
  • the configured serving cells that are allowed to use only include SCells;
  • the carrier used or mapped is the carrier of the SCell
  • the activated transmission resource or the transmission resource for transmitting replicated data is configured with at least one set of allowed serving cells/cell list;
  • the transmission resource with the problem, or the transmission resource for which the RLC reaches the maximum number of retransmissions, is configured with at least one set of allowed serving cells/cell lists.
  • the transmission resources that have detected problems or the transmission resources for which the RLC reaches the maximum number of retransmissions are different from the problematic transmission resources or the transmission resources for which the RLC reaches the maximum number of retransmissions. These two conditions exist before.
  • the transmission resource with the problem detected or the transmission resource for which the RLC reaches the maximum number of retransmissions refers to the subsequent processing when the terminal device detects the existence of the logical channel; the transmission resource with the problem, or the RLC
  • the transmission resources that have reached the maximum number of retransmissions are concerned with whether the current transmission resource status is problematic.
  • the terminal device detects or other information indicates that the terminal device determines that the transmission resource has a problem, or determines that the RLC reaches the maximum number of retransmissions. Don't care.
  • the data replication transmission combined with CA and DC, or the data replication transmission of at least two transmission resources is configured, the data replication transmission combined with CA and DC, or at least two transmission resources
  • the data replication transmission instruction of the network device is obtained, or the data replication transmission instruction combined by CA and DC, or at least one of the data replication transmission instructions of at least two transmission resources, further combination
  • the aforementioned first condition is used to determine the report. for example:
  • the data replication transmission of the combination of CA and DC or the data replication transmission of at least two transmission resources is configured, or the data replication transmission of the combination of CA and DC, or the data replication transmission of at least two transmission resources is configured.
  • At least some of the first conditions are further combined to determine whether to report, for example, it can be combined with the judgment that the RLC reaches the maximum number of retransmissions to determine the failure report; at this time, it can also be further combined with the transmission resource that reaches the maximum number of RLC retransmissions
  • At least one set of allowed serving cells/cell lists are configured to determine whether to perform failure reporting; or, the carrier corresponding to the transmission resource for which the RLC reaches the maximum number of retransmissions can be combined as the SCell carrier to determine the failure reporting.
  • Another example is that when the data replication transmission instruction of the network device, or the data replication transmission instruction combined by CA and DC, or the data replication transmission instruction of at least two transmission resources is obtained, the maximum retransmission of RLC can also be combined The number of times to determine the failure report. Of course, as mentioned above, more conditions can also be used for judgment.
  • At least two conditions of configuration, activation and indication and part of the first condition can also be used in combination. For example, when the CA and DC combined data replication transmission is configured, and the CA and DC combined data replication transmission is active, if the RLC reaches the maximum number of retransmissions, or the transmission resource that reaches the maximum number of retransmissions corresponds to If the carrier of SCell is the carrier of SCell, it is determined to report.
  • the problematic transmission resource can be at least one of the following situations: in the out-of-sync state, X times or X times of out-of-sync indications are received continuously, and in the out-of-sync state for the second duration Time, physical layer problem detected, T310 timeout, random access error indication received, Y HARQ-NACK, Y RLC-NACK, reaching or exceeding the survival time survival time, the corresponding survival time survival time timer expires, reaching The survival time of a specific bearer/QoS flow/PDU session/data packet or the corresponding second duration timeout, PDCP discard timer timeout; where X and Y are integers greater than or equal to 1.
  • the terminal device will also transfer the untransmitted or failed data to the new transmission resource for transmission, specifically: the originally activated transmission resource with the radio link failure or Data that was not transmitted or failed to be transmitted in the transmission resource originally used to transmit the copied data is forwarded to the modified activated transmission resource or the modified transmission resource used for data copy transmission for transmission.
  • the untransmitted or failed data may be at least one of the following: RLC SDU, RLC SDU segment, PDCP PDU, MAC SDU, MAC subPDU, MAC PDU, or RLC PDU.
  • the processing performed by the network device may include: performing at least one of the following operations when receiving a failure report from the terminal device:
  • the method further includes at least one of the following: acquiring a modified activated transmission resource sent by the network device or a list of allowed serving cells/cells corresponding to the transmission resource used for copy transmission;
  • the terminal device reports the wireless link failure to the network device, so that the network device modifies the transmission resources.
  • the network device can determine that the terminal device modifies the activated logical channel or modifies it for replication.
  • the modification indication of the transmitted logical channel; wherein, the modification indication can include the identification of the modified logical channel and the identification of the cell group (CG) corresponding to the modified logical channel.
  • the terminal device reports the radio link failure to the network device, and the network device can modify the service cell or cell list allowed to be used corresponding to the transmission resource for the terminal device. For example, modify the permitted serving cell corresponding to the logical channel or RLC entity, or the permitted cell list.
  • the method further includes at least one of the following:
  • Send a transmission resource update instruction for example, it can send a logical channel update instruction to a network device;
  • Send RLC status report for example, send RLC control PDU or RLC status report to network equipment.
  • Trigger status report wherein, the trigger refers to sending a status report to the network device when it is determined that the wireless link fails or has a problem, and the passing status includes indicating that the current terminal device has a wireless link failure or problem, and/or, Indicates that the resource used for data replication transmission/data replication transmission of at least two transmission resources has a problem or a wireless link fails.
  • the modified transmission resource triggers the status report; that is, when the terminal device obtains the modified transmission resource sent by the network device, such as a logical channel, the terminal device triggers the status report, and/or, on the modified logical channel
  • the status report is transmitted on the
  • the first transmission opportunity to send status PDU to the lower layer for example, the first transmission opportunity in the modified logical channel can send status information to the lower layer, which can be a status PDU, such as RLC status PDU .
  • Start or restart the timer for the modified transmission resource that is, after the transmission resource is modified, the terminal device controls itself to adjust the start of the timer for the transmission resource, for example, the timer of the logical channel corresponding to the modified transmission resource can be performed Restart, or restart the timer of the RLC entity corresponding to the modified transmission resource, or set a new timer for the modified logical channel, and the terminal device starts the corresponding logical channel when the logical channel is enabled The new timer.
  • reset the parameters or state variables of the transmission resource (such as the RLC entity) before and/or after the modification.
  • the status variable is updated; that is, the terminal device will receive the status report sent by the network device, and then update its own status variable according to the status report.
  • the terminal device After receiving the status report, stop or restart the timer; when receiving the status report, the terminal device stops the timer corresponding to the modified transmission resource, or restarts timing. Or, when the status report is received, the terminal device stops the timer corresponding to the transmission resource before modification, or restarts timing. Or, the timer does not correspond to a certain transmission resource, but corresponds to the state. That is to say, when the status report is received, it can be understood that the network device modifies the transmission resource for the terminal device. At this time, the terminal device sets the timer Stop, or restart timing.
  • the terminal device learns the reception of the data transmitted on the transmission resource by the terminal device by receiving the ACK from the network device, as long as the network device It can be considered that the current data transmission is successful if it can feed back ACKs for at least some of the RLC SDUs sent out by the RLC SDU; or, it can also be considered as a terminal device by feeding back ACKs for all RLC SDUs sent by the network device to the terminal device.
  • the data transmission is successful; or, when the network device receives at least part of the RLC SDU sent back ACK, the network device indicates to the higher layer that at least part of the RLC SDU or PDCP PDU has been successfully transmitted (the corresponding indication corresponds to the packet Identification number or SN number).
  • the RLC SDU or part of the RLC SDU is retransmitted.
  • this article focuses on how to determine the unsuccessful transmission and determine the content to be retransmitted. For example, when a terminal device sends an RLC SDU and fails to receive a NACK, it can retransmit all RLC SDUs; or, when a terminal device only receives a NACK for some RLC SDUs, it can also retransmit all RLC SDUs; or When the terminal device receives a NACK for a part of the RLC SDU, it can retransmit the part of the RLC SDU.
  • the transmission resource is a logical channel/RLC entity, specifically:
  • Step 71 A network, such as a base station, configures data replication transmission (duplication), where the duplication is a duplication of CA combined with DC or at least three RLC entity duplications.
  • the duplication is a duplication of CA combined with DC or at least three RLC entity duplications.
  • at least two RLC entities can also be configured.
  • Step 72 The network, such as the base station, notifies the UE of the Duplication configuration through the RRC reconfiguration message. Further, the network may indicate the logical channel or RLC entity used when duplication is activated and/or deactivated. In addition, for logical channels, at least one set of allowedServingCells list can be configured.
  • Step 73 The terminal device performs data transmission. It can be understood that when at least one of the following conditions is met, the terminal device determines to perform data copy transmission, or data copy transmission configuration, or copy data transmission is activated:
  • CA combined with DC duplication or duplication configuration of at least two RLC entities
  • CA is activated in conjunction with duplication of DC or duplication of at least two RLC entities
  • Duplication configuration of at least two logical channels or leg or carrier is activated.
  • the user equipment when the first condition is met, the user equipment (UE) considers that there is a problem with the radio link, and/or the UE fails to report the RLC.
  • the first condition has already been described above, and will not be repeated here.
  • the UE can trigger or initial failure information procedure.
  • the method further includes:
  • the reason for the failure includes one of the following types: replication transmission failure, combined replication transmission failure, and CA replication transmission failure.
  • the first condition may further include the data replication transmission configuration, or the replication data transmission activation, or the execution data replication transmission.
  • Step 74 The UE reports failure information on FailureInformation.
  • the reported failureType can be extended with a new type: combinationDuplication.
  • the UE indicates that the failure type is duplication or combinationDuplication.
  • the information about the reason for the failure to report may also include at least one of the following: the logical channel identifier of the failure and the CG identifier. Further, at least one of the following can be carried in the reported information: recommended modified replication transmission status, recommended modified transmission resources, recommended resources for replication transmission, recommended modified activated transmission resources corresponding to the allowed services Cell/cell list, it is recommended to modify the list of allowed serving cells/cells corresponding to the transmission resources used for replication transmission.
  • the network modifies at least one of the following according to the UE report: the replication data transmission status (whether it is adopted), allowedServingCells, CG, the RLC entity/logical channel that transmits duplication, and the RLC entity/logical channel that does not transmit duplication.
  • the terminal device forwards the untransmitted or unsuccessful data packets on the RLC entity that previously transmitted the copied data to the modified RLC entity.
  • the receiving end submits the received or successfully received data packet to the higher layer (PDCP) on the logical channel where the problem occurred.
  • PDCP higher layer
  • Scenario 2 The difference between this scenario and the previous scenario is that the terminal device modifies the transmission resource in this scenario, for example, the terminal device modifies the activated logical channel, or modifies the logical channel used to transmit replicated data, and modifies the data replication transmission status (Such as whether to use or activate copy data transmission, or data copy transmission of at least two transmission resources).
  • the specific instructions are as follows:
  • the method further includes: obtaining at least one permitted serving cell/cell list corresponding to each of the at least two transmission resources configured by the network device for the terminal device.
  • the terminal device performs data copy transmission, or the terminal device is in a data copy transmission state.
  • the method for determining whether the terminal device performs data copy transmission or whether it is in a data copy transmission state, and the method for determining whether the wireless link fails are the same as those in scenario 1, and will not be repeated.
  • scenario 1 the network device does not need to determine whether the data copy transmission is activated or used for the terminal device, or it is determined whether the data copy transmission of at least two transmission resources is activated or used, but the terminal device Determine by yourself
  • the method further includes: the terminal device sends a modified data replication transmission status to the network device, or an indication of whether the data replication transmission of at least two transmission resources is activated or used.
  • the network device receives the modified data replication transmission status sent by the terminal device, or the indication of whether the data replication transmission of at least two transmission resources is activated or used.
  • the network device to configure the modified transmission resource for the terminal device, which is determined by the terminal device itself; for example, it includes:
  • the method further includes: the terminal device sends to the network device a list of permitted serving cells/cells corresponding to the modified activated transmission resource or the transmission resource used for copy transmission;
  • the network device receives the modified activated transmission resource sent by the terminal device or the permitted serving cell/cell list corresponding to the transmission resource used for copy transmission;
  • the network device receives the modified activated transmission resource or the transmission resource used for data replication transmission sent by the terminal device.
  • the terminal device modifies the transmission resource.
  • the terminal device may or may not report to the network device.
  • the content that can be reported includes at least one of the following: Modified The identification of the logical channel, the identification of the cell group (CG) corresponding to the modified logical channel, the failure indication, the wireless link problem indication, the failure reason, the reason for the wireless link problem, the identification of the logical channel where the problem occurred, the carrier identification, and the corresponding CG logo.
  • the terminal device modifies the permitted serving cell or cell list corresponding to the transmission resource, it can also report to the network device, or not report the modified permitted serving cell or cell list. For example, modify the permitted serving cell corresponding to the logical channel or the RLC entity, or the permitted cell list.
  • the method further includes at least one of the following:
  • Send a transmission resource update instruction for example, it can send a logical channel update instruction to a network device;
  • Send RLC status report for example, send RLC control PDU or RLC status report to network equipment.
  • Trigger status report wherein, the trigger refers to sending a status report to the network device when it is determined that the wireless link fails or has a problem, and the passing status includes indicating that the current terminal device has a wireless link failure or problem, and/or, Indicates that the resource used for data replication transmission/data replication transmission of at least two transmission resources has a problem or a wireless link fails.
  • the modified transmission resource triggers the status report; that is, when the terminal device obtains the modified transmission resource sent by the network device, such as a logical channel, the terminal device triggers the status report, and/or, on the modified logical channel
  • the status report is transmitted on the
  • the first transmission opportunity to send status PDU to the lower layer for example, the first transmission opportunity in the modified logical channel can send status information to the lower layer, which can be a status PDU, such as RLC status PDU .
  • Start or restart the timer for the modified transmission resource that is, after the transmission resource is modified, the terminal device controls itself to adjust the start of the timer for the transmission resource, for example, the timer of the logical channel corresponding to the modified transmission resource can be performed Restart, or restart the timer of the RLC entity corresponding to the modified transmission resource, or set a new timer for the modified logical channel, and the terminal device starts the corresponding logical channel when the logical channel is enabled The new timer.
  • reset the parameters or state variables of the transmission resource (such as the RLC entity) before and/or after the modification.
  • the status variable is updated; that is, the terminal device will receive the status report sent by the network device, and then update its own status variable according to the status report.
  • the terminal device After receiving the status report, stop or restart the timer; when receiving the status report, the terminal device stops the timer corresponding to the modified transmission resource, or restarts timing. Or, the timer does not correspond to a certain transmission resource, but corresponds to the state. That is to say, when the status report is received, it can be understood that the network device modifies the transmission resource for the terminal device. At this time, the terminal device sets the timer Stop, or restart timing.
  • the terminal device learns the reception of the data transmitted on the transmission resource by the terminal device by receiving the ACK from the network device, as long as the network device It can be considered that the current data transmission is successful if it can feed back ACKs for at least some of the RLC SDUs sent out by the RLC SDU; or, it can also be considered as a terminal device by feeding back ACKs for all RLC SDUs sent by the network device to the terminal device.
  • the data transmission is successful; or, when the network device receives at least part of the RLC SDU sent back ACK, the network device indicates to the higher layer that at least part of the RLC SDU or PDCP PDU has been successfully transmitted (the corresponding indication corresponds to the packet Identification number or SN number).
  • the RLC SDU or part of the RLC SDU is retransmitted.
  • this article focuses on how to determine the unsuccessful transmission and determine the content to be retransmitted. For example, when a terminal device sends an RLC SDU and fails to receive a NACK, it can retransmit all RLC SDUs; or, when a terminal device only receives a NACK for some RLC SDUs, it can also retransmit all RLC SDUs; or When the terminal device receives a NACK for a part of the RLC SDU, it can retransmit the part of the RLC SDU.
  • Step 81 The network configures duplication, where the duplication is a duplication of CA combined with DC, or at least two RLC entity duplications.
  • Step 82 The network notifies the UE of the Duplication configuration through the RRC reconfiguration message. Further, the network may indicate the logical channel or RLC entity used when duplication is activated and/or deactivated. In addition, for logical channels, at least one set of allowedServingCells list can be configured.
  • Step 83 When the first condition is met, the UE determines whether to use replicated data transmission, or the UE reselects/modifies the logical channel that is activated or used for transmission replicated transmission, or the UE reselects or modifies the logical channel for data transmission AllowedServingCells used.
  • the first condition is the same as the foregoing and will not be repeated.
  • the UE determines whether to use replicated data transmission, or the UE reselects/modifies the logical channel that is activated or used to transmit replicated transmission, or the UE reselects or modifies the logical channel for data transmission.
  • the allowedServingCells can also include at least one of the following additional conditions:
  • the network equipment configures the UE to select or modify the transmission resources for replication transmission
  • the network device configures the UE to modify the transmission resources of the replication transmission when there is a link problem or failure; both of these indicate that the network device can configure related capabilities for the terminal device. For example, regardless of whether the UE has a link failure, the network device can be The UE is equipped with the ability to modify or select the transmission resource for replication transmission; or, the network device directly configures the UE with the ability to modify the transmission resource for replication transmission in the case of link problems or failures.
  • the UE has the ability to select or modify the transmission resources of the replication transmission; the difference from the above is that this item focuses on the UE's own capabilities, and the focus is not on whether it is configured by the network equipment, but whether its own current capabilities include selection or modification The ability to copy the transmission resources of the transmission;
  • the condition can be understood as a threshold. For example, when the quality of a certain transmission resource is lower than the preset threshold or the number of RLC retransmissions reaches the preset threshold, you can select or modify the copy The transmission resource of the transmission. Or, when the UE modifies the transmission resource or duplicates the transmission, it selects the transmission resource that meets the condition.
  • the terminal device may also forward untransmitted or unsuccessful data packets on the transmission resource for transmitting the copied data to the modified transmission resource. Specifically, the terminal device may also forward the untransmitted or unsuccessful data packets on the RLC entity that transmits the copied data to the modified RLC entity.
  • scenario 1 and scenario 2 can also be used in combination; for example, the UE can use the scenario 1 solution to report problems or failures, or it can select or modify the transmission resources by itself based on the scenario 2 solution, and then The subsequent processing is performed based on the transmission resource selected or modified by the UE itself.
  • the embodiment of the present invention provides a terminal device that performs data replication transmission combining carrier aggregation CA and dual connectivity DC, or the terminal device performs data replication transmission including at least two transmission resources, as shown in FIG. 10, including:
  • the first processing unit 1001 if the terminal device is in the first state, performs at least one of the following operations:
  • Report failure to network equipment determine whether to perform copy transmission, modify the activated transmission resource, modify the transmission resource used for copy transmission, modify the activated transmission resource or the list of allowed service cells/cells corresponding to the transmission resource used for copy transmission , Report the modified copy transmission status, report the modified transmission resource, report the resource used for copy transmission, report the modified active transmission resource or the list of allowed serving cells/cells corresponding to the transmission resource used for copy transmission.
  • the first state represents at least one of the following: an activated transmission resource or a transmission resource used to transmit replicated data has a problem with a radio link, a radio link fails, a transmission quality problem occurs, and the transmission quality is less than or equal to a threshold.
  • the transmission resource may specifically be any one of a carrier, a path (leg), an RLC entity, a logical channel, and a list of allowed serving cells/cells.
  • the number of transmission resources may be indicated or configured by the network.
  • the number of activated transmission resources may be instructed or configured by the network.
  • the number of transmission resources or activated transmission resources may be one of 1, 2, 3, and 4.
  • a network device is provided. As shown in FIG. 11, the method includes:
  • the second communication unit 1102 configures the terminal device with carrier aggregation CA and dual-connection DC combined data replication transmission, or configures the terminal device with data replication transmission including at least two transmission resources.
  • each logical channel is configured with at least one allowed service cell/cell list
  • the network device also configures transmission resources for the terminal device, such as a logical channel, a corresponding allowed serving cell, or a cell list, and the method further includes:
  • each logical channel is configured with at least one permitted serving cell/cell list.
  • Scenario 1 When the terminal device determines that it is in the first state, it reports a problem or failure to the network device. Specifically:
  • the terminal device further includes: a first communication unit 1002, which obtains at least one allowable serving cell/cell list corresponding to each of the at least two transmission resources configured by the network device for the terminal device.
  • the terminal device performs data replication transmission, or the terminal device is in a data replication transmission state.
  • the network device will configure the terminal device so that the terminal device performs data copy transmission.
  • the second communication unit 1102 performs at least one of the following:
  • Configure data replication transmission of at least two transmission resources for the terminal device including: sending at least two logical channels, leg, carrier, RLC entity, and data replication transmission configuration of one of the allowed serving cells/cell list;
  • Activating the data replication transmission of at least two transmission resources includes: instructing the terminal device to activate the data replication transmission of at least two logical channels, legs, carriers, RLC entities, and a list of allowed serving cells/cells.
  • the first processing unit 1001 may further include at least one of the following:
  • the configured serving cell only includes the SCell
  • the mapped or used carrier is the carrier of the SCell
  • the configured serving cells that are allowed to use only include SCells;
  • the carrier used or mapped is the carrier of the SCell
  • the activated transmission resource or the transmission resource for transmitting replicated data is configured with at least one set of allowed serving cells/cell list;
  • the transmission resource with the problem, or the transmission resource for which the RLC reaches the maximum number of retransmissions, is configured with at least one set of allowed serving cells/cell lists.
  • the terminal device will transfer the untransmitted or failed data to the new transmission resource for transmission.
  • the first processing unit 1001 will cause a wireless link failure
  • the originally activated transmission resource or the data that was not transmitted or the transmission failed in the transmission resource originally used to transmit the copied data is forwarded to the modified activated transmission resource or the modified transmission resource used for data copy transmission for transmission.
  • the processing performed by the network device may include: when receiving the terminal device reporting failure, the second communication unit 1102 performs at least one of the following operations:
  • the first communication unit 1002 performs at least one of the following: acquiring the modified activated transmission resource sent by the network device or the allowed serving cell/cell corresponding to the transmission resource used for copy transmission List
  • the first communication unit 1002 also performs at least one of the following:
  • Send a transmission resource update instruction for example, it can send a logical channel update instruction to a network device;
  • Send RLC status report for example, send RLC control PDU or RLC status report to network equipment.
  • Trigger status report wherein, the trigger refers to sending a status report to the network device when it is determined that the wireless link fails or has a problem, and the passing status includes indicating that the current terminal device has a wireless link failure or problem, and/or, Indicates that the resource used for data replication transmission/data replication transmission of at least two transmission resources has a problem or a wireless link fails.
  • the modified transmission resource triggers the status report; that is, when the terminal device obtains the modified transmission resource sent by the network device, such as a logical channel, the terminal device triggers the status report, and/or, on the modified logical channel
  • the status report is transmitted on the
  • the first transmission opportunity to send status PDU to the lower layer for example, the first transmission opportunity in the modified logical channel can send status information to the lower layer, which can be a status PDU, such as RLC status PDU .
  • Start or restart the timer for the modified transmission resource that is, after the transmission resource is modified, the terminal device controls itself to adjust the start of the timer for the transmission resource, for example, the timer of the logical channel corresponding to the modified transmission resource can be performed Restart, or restart the timer of the RLC entity corresponding to the modified transmission resource, or set a new timer for the modified logical channel, and the terminal device starts the corresponding logical channel when the logical channel is enabled The new timer.
  • reset the parameters or state variables of the transmission resource (such as the RLC entity) before and/or after the modification.
  • the status variable is updated; that is, the terminal device will receive the status report sent by the network device, and then update its own status variable according to the status report.
  • the terminal device After receiving the status report, stop or restart the timer; when receiving the status report, the terminal device stops the timer corresponding to the modified transmission resource, or restarts timing. Or, when the status report is received, the terminal device stops the timer corresponding to the transmission resource before modification, or restarts timing. Or, the timer does not correspond to a certain transmission resource, but corresponds to the state. That is to say, when the status report is received, it can be understood that the network device modifies the transmission resource for the terminal device. At this time, the terminal device sets the timer Stop, or restart timing.
  • the terminal device learns the reception of the data transmitted on the transmission resource by the terminal device by receiving the ACK from the network device, as long as the network device It can be considered that the current data transmission is successful if it can feed back ACKs for at least some of the RLC SDUs sent out by the RLC SDU; or, it can also be considered as a terminal device by feeding back ACKs for all RLC SDUs sent by the network device to the terminal device.
  • the data transmission is successful; or, when the network device receives at least part of the RLC SDU sent back ACK, the network device indicates to the higher layer that at least part of the RLC SDU or PDCP PDU has been successfully transmitted (the corresponding indication corresponds to the packet Identification number or SN number).
  • the RLC SDU or part of the RLC SDU is retransmitted.
  • this article focuses on how to determine the unsuccessful transmission and determine the content to be retransmitted. For example, when a terminal device sends an RLC SDU and fails to receive a NACK, it can retransmit all RLC SDUs; or, when a terminal device only receives a NACK for some RLC SDUs, it can also retransmit all RLC SDUs; or When the terminal device receives a NACK for a part of the RLC SDU, it can retransmit the part of the RLC SDU.
  • the first processing unit 1001 stores or reports the failure reason through the first communication unit 1002;
  • the reason for the failure includes one of the following types: replication transmission failure, combined replication transmission failure, and CA replication transmission failure.
  • Scenario 2 The difference between this scenario and the previous scenario is that the terminal device modifies the transmission resource in this scenario, for example, the terminal device modifies the activated logical channel, or modifies the logical channel used to transmit replicated data, and modifies the data replication transmission status (Such as whether to use or activate copy data transmission, or data copy transmission of at least two transmission resources).
  • the specific instructions are as follows:
  • the first communication unit 1002 obtains at least one allowable serving cell/cell list corresponding to each of the at least two transmission resources configured by the network device for the terminal device.
  • the terminal device performs data replication transmission, or the terminal device is in a data replication transmission state.
  • the method for determining whether the terminal device performs data copy transmission or whether it is in a data copy transmission state, and the method for determining whether the wireless link fails are the same as those in scenario 1, and will not be repeated.
  • scenario 1 the network device does not need to determine whether the data copy transmission is activated or used for the terminal device, or it is determined whether the data copy transmission of at least two transmission resources is activated or used, but the terminal device Determine by yourself
  • the first communication unit 1002 sends a modified data replication transmission status or an indication of whether the data replication transmission of at least two transmission resources is activated or used to the network device.
  • the network device second communication unit 1102 receives the modified data replication transmission status sent by the terminal device, or the indication of whether the data replication transmission of at least two transmission resources is activated or used.
  • the network device to configure the modified transmission resource for the terminal device, which is determined by the terminal device itself; for example, it includes:
  • the first processing unit 1001 determines whether to perform replication transmission, modifies the activated transmission resource, modifies the transmission resource used for replication transmission, modifies the activated transmission resource or the permitted serving cell/cell list corresponding to the transmission resource used for replication transmission .
  • the first communication unit 1002 sends to the network device a list of allowed serving cells/cells corresponding to the modified activated transmission resource or the transmission resource used for copy transmission;
  • the second communication unit 1102 of the network device receives the modified activated transmission resource sent by the terminal device or the permitted serving cell/cell list corresponding to the transmission resource used for copy transmission;
  • the first communication unit 1002 also performs at least one of the following:
  • Send a transmission resource update instruction for example, it can send a logical channel update instruction to a network device;
  • Send RLC status report for example, send RLC control PDU or RLC status report to network equipment.
  • Trigger status report wherein, the trigger refers to sending a status report to the network device when it is determined that the wireless link fails or has a problem, and the passing status includes indicating that the current terminal device has a wireless link failure or problem, and/or, Indicates that the resource used for data replication transmission/data replication transmission of at least two transmission resources has a problem or a wireless link fails.
  • the modified transmission resource triggers the status report; that is, when the terminal device obtains the modified transmission resource sent by the network device, such as a logical channel, the terminal device triggers the status report, and/or, on the modified logical channel
  • the status report is transmitted on the
  • the first transmission opportunity to send status PDU to the lower layer for example, the first transmission opportunity in the modified logical channel can send status information to the lower layer, which can be a status PDU, such as RLC status PDU .
  • Start or restart the timer for the modified transmission resource that is, after the transmission resource is modified, the terminal device controls itself to adjust the start of the timer for the transmission resource, for example, the timer of the logical channel corresponding to the modified transmission resource can be performed Restart, or restart the timer of the RLC entity corresponding to the modified transmission resource, or set a new timer for the modified logical channel, and the terminal device starts the corresponding logical channel when the logical channel is enabled The new timer.
  • reset the parameters or state variables of the transmission resource (such as the RLC entity) before and/or after the modification.
  • the status variable is updated; that is, the terminal device will receive the status report sent by the network device, and then update its own status variable according to the status report.
  • the terminal device After receiving the status report, stop or restart the timer; when receiving the status report, the terminal device stops the timer corresponding to the modified transmission resource, or restarts timing. Or, the timer does not correspond to a certain transmission resource, but corresponds to the state. That is to say, when the status report is received, it can be understood that the network device modifies the transmission resource for the terminal device. At this time, the terminal device sets the timer Stop, or restart timing.
  • the terminal device learns the reception of the data transmitted on the transmission resource by the terminal device by receiving the ACK from the network device, as long as the network device It can be considered that the current data transmission is successful if it can feed back ACKs for at least some of the RLC SDUs sent out by the RLC SDU; or, it can also be considered as a terminal device by feeding back ACKs for all RLC SDUs sent by the network device to the terminal device.
  • the data transmission is successful; or, when the network device receives at least part of the RLC SDU sent back ACK, the network device indicates to the higher layer that at least part of the RLC SDU or PDCP PDU has been successfully transmitted (the corresponding indication corresponds to the packet Identification number or SN number).
  • the RLC SDU or part of the RLC SDU is retransmitted.
  • this article focuses on how to determine the unsuccessful transmission and determine the content to be retransmitted. For example, when a terminal device sends an RLC SDU and fails to receive a NACK, it can retransmit all RLC SDUs; or, when a terminal device only receives a NACK for some RLC SDUs, it can also retransmit all RLC SDUs; or When the terminal device receives a NACK for a part of the RLC SDU, it can retransmit the part of the RLC SDU.
  • scenario 1 and scenario 2 can also be used in combination; for example, the UE can use the scenario 1 solution to report problems or failures, or it can select or modify the transmission resources by itself based on the scenario 2 solution, and then The subsequent processing is performed based on the transmission resource selected or modified by the UE itself.
  • FIG. 12 is a schematic structural diagram of a communication device 1200 provided by an embodiment of the present application.
  • the communication device in this embodiment may be specifically a terminal device or a network device in the foregoing embodiment.
  • the communication device 1200 shown in FIG. 12 includes a processor 1210, and the processor 1210 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 1200 may further include a memory 1220.
  • the processor 1210 can call and run a computer program from the memory 1220 to implement the method in the embodiment of the present application.
  • the memory 1220 may be a separate device independent of the processor 1210, or it may be integrated in the processor 1210.
  • the communication device 1200 may further include a transceiver 1230, and the processor 1210 may control the transceiver 1230 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 1230 may include a transmitter and a receiver.
  • the transceiver 1230 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1200 may specifically be a terminal in an embodiment of the present application, and the communication device 1200 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. For the sake of brevity, it is not here. Repeat it again.
  • FIG. 13 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1300 shown in FIG. 13 includes a processor 1310, and the processor 1310 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1300 may further include a memory 1320.
  • the processor 1310 may call and run a computer program from the memory 1320 to implement the method in the embodiment of the present application.
  • the memory 1320 may be a separate device independent of the processor 1310, or it may be integrated in the processor 1310.
  • the chip 1300 may further include an input interface 1330.
  • the processor 1310 can control the input interface 1330 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1300 may further include an output interface 1340.
  • the processor 1310 can control the output interface 1340 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the terminal device or the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in the various methods of the embodiment of the present application. For the sake of brevity, it will not be repeated here. .
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • 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 can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (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 also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • 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 (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM 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
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment 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 rate 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), etc.
  • static random access memory static random access memory
  • SRAM static random access memory
  • dynamic RAM dynamic random access memory
  • Synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate SDRAM double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • FIG. 14 is a schematic block diagram of a communication system 1400 according to an embodiment of the present application. As shown in FIG. 14, the communication system 1400 includes a terminal device 1410 and a network device 1420.
  • the terminal device 1410 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1420 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment 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 embodiment 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 embodiment of the present application.
  • the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for the sake of brevity , I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment 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.
  • 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.
  • 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.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment 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 embodiment of the present application, For brevity, I won't repeat them here.
  • the embodiment of the present 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 caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it 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 illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It 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 objectives of the solutions of the embodiments.
  • each 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 this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment 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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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de traitement d'une défaillance de liaison radio, un dispositif réseau, dispositif terminal, une puce, un support de stockage lisible par ordinateur, un produit de programme informatique et un programme informatique. Le procédé consiste à : si un dispositif terminal est dans un premier état, exécuter au moins une des opérations suivantes : rapporter une défaillance à un dispositif de réseau, déterminer s'il faut effectuer une transmission en double, modifier une ressource de transmission activée, modifier une ressource de transmission pour une transmission en double, modifier une liste de cellules de service/cellules autorisées à être utilisées et correspondant à la ressource de transmission activée ou à la ressource de transmission pour une transmission en double, rapporter un état de transmission en double modifié, rapporter une ressource de transmission modifiée, rapporter une ressource pour une transmission en double, et rapporter la liste modifiée de cellules de service/cellules autorisées à être utilisées et correspondant à la ressource de transmission activée ou à la ressource de transmission pour une transmission en double.
PCT/CN2019/085382 2019-04-30 2019-04-30 Procédé de traitement d'une défaillance de liaison radio, dispositif réseau et dispositif terminal WO2020220355A1 (fr)

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CN201980064866.XA CN112789879B (zh) 2019-04-30 2019-04-30 一种无线链路失败处理方法、网络设备、终端设备
PCT/CN2019/085382 WO2020220355A1 (fr) 2019-04-30 2019-04-30 Procédé de traitement d'une défaillance de liaison radio, dispositif réseau et dispositif terminal

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023000275A1 (fr) * 2021-07-22 2023-01-26 Nec Corporation Procédé, dispositif et support lisible par ordinateur pour des communications

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170048839A1 (en) * 2015-08-12 2017-02-16 Nokia Technologies Oy Signalling for Using Operating Band Combination
CN107567041A (zh) * 2017-08-08 2018-01-09 电信科学技术研究院 一种处理无线链路故障的方法和设备
CN109151891A (zh) * 2017-06-15 2019-01-04 华为技术有限公司 一种通信处理方法和通信装置
CN109547175A (zh) * 2017-08-11 2019-03-29 电信科学技术研究院 一种承载映射方法、装置、基站及终端

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108924871B (zh) * 2017-03-23 2022-09-20 夏普株式会社 无线配置方法、用户设备和基站
US10506659B2 (en) * 2017-03-23 2019-12-10 Kt Corporation Method for processing radio link failure and apparatus therefor
WO2018223426A1 (fr) * 2017-06-09 2018-12-13 华为技术有限公司 Procédé d'envoi et procédé de réception de rapport de défaillance de faisceau, équipement d'utilisateur, et dispositif de réseau
CN109429257B (zh) * 2017-06-22 2022-11-04 夏普株式会社 用户设备和相关方法
EP3642993A4 (fr) * 2017-06-22 2021-03-24 FG Innovation Company Limited Systèmes, dispositifs et procédés de duplication d'unité de données par paquets de protocole de convergence de données par paquets
CN109511132B (zh) * 2017-09-14 2021-12-03 维沃移动通信有限公司 信息传输方法、网络设备、终端及计算机可读存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170048839A1 (en) * 2015-08-12 2017-02-16 Nokia Technologies Oy Signalling for Using Operating Band Combination
CN109151891A (zh) * 2017-06-15 2019-01-04 华为技术有限公司 一种通信处理方法和通信装置
CN107567041A (zh) * 2017-08-08 2018-01-09 电信科学技术研究院 一种处理无线链路故障的方法和设备
CN109547175A (zh) * 2017-08-11 2019-03-29 电信科学技术研究院 一种承载映射方法、装置、基站及终端

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NOKIA; NOKIA SHANGHAI BELL: "New WID: Support of NR Industrial Internet of Things (IoT)", 3GPP DRAFT; RP-190728, 21 March 2019 (2019-03-21), Shenzhen, China, pages 1 - 6, XP051690700 *

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