WO2021233400A1 - Procédé de transmission de données, dispositif terminal et dispositif de réseau - Google Patents

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

Info

Publication number
WO2021233400A1
WO2021233400A1 PCT/CN2021/095006 CN2021095006W WO2021233400A1 WO 2021233400 A1 WO2021233400 A1 WO 2021233400A1 CN 2021095006 W CN2021095006 W CN 2021095006W WO 2021233400 A1 WO2021233400 A1 WO 2021233400A1
Authority
WO
WIPO (PCT)
Prior art keywords
timer
data packet
terminal device
information
network device
Prior art date
Application number
PCT/CN2021/095006
Other languages
English (en)
Chinese (zh)
Inventor
张艳霞
杨晓东
Original Assignee
维沃移动通信有限公司
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.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2021233400A1 publication Critical patent/WO2021233400A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/28—Timers or timing mechanisms used in protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control

Definitions

  • This application relates to the field of communications, and in particular to a data transmission method, terminal equipment and network equipment.
  • communication service availability refers to the communication availability between communication service interfaces, which can be understood as the communication availability between the communication interface of the sending end and the communication interface of the receiving end, indicating whether the communication system is working in an available state.
  • the communication system when the transmitted data packet can meet the availability criterion, the communication system can be considered to be in an available state. Conversely, if the data received by the receiving end is damaged or not received on time, it can be considered that the communication system is in an unavailable state, that is, when the receiving end does not receive the data correctly within a certain period of time (such as exceeding the survival time) Data packets sent to the sender will cause the application on the receiving end to enter an unusable state.
  • communication service availability is a very important service performance requirement parameter for many automation function applications in industrial scenarios, that is, many automation function applications in industrial environments have high communication service availability requirements, especially for deterministic business flows. For applications, such as mobile control, the demand for communication service availability can reach 99.999999%.
  • the purpose of the embodiments of the present application is to provide a data transmission method, terminal equipment, and network equipment to be able to solve the problem of low availability of system communication services.
  • an embodiment of the present application provides a data transmission method, which is applied to a terminal device, and the method includes:
  • first information is sent to the network device, where the first information is used to indicate that the terminal device has at least one data packet sending timeout.
  • an embodiment of the present application provides a terminal device, and the terminal device includes:
  • the sending module is configured to send first information to the network device when a preset condition is met, where the first information is used to indicate that the terminal device has at least one data packet sending timeout.
  • an embodiment of the present application provides a terminal device, including: a memory, a processor, and a program or instruction that is stored on the memory and can run on the processor, and the program or instruction is processed by the processor.
  • the steps of the method described in the first aspect are implemented when the device is executed.
  • an embodiment of the present application provides a readable storage medium storing a program or instruction on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented.
  • an embodiment of the present application provides a data transmission method, which is applied to a network device, and the method includes:
  • an embodiment of the present application provides a network device, and the network device includes:
  • the receiving module is configured to receive first information sent by a terminal device when a preset condition is met, and the first information is used to indicate that the terminal device has sent at least one data packet overtime.
  • an embodiment of the present application provides a network device, including: a memory, a processor, and a program or instruction that is stored on the memory and can run on the processor, and the program or instruction is processed by the processor.
  • the steps of the method described in the fifth aspect are implemented when the device is executed.
  • an embodiment of the present application provides a readable storage medium with a program or instruction stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the fifth aspect are implemented .
  • the sending end namely the terminal device
  • the sending end has at least one data packet sending timeout (for example, when it is not sent at all or is not correctly received by the receiving end, that is, the network device)
  • it will cause the application on the receiving end to enter an unavailable state.
  • the first information can be sent to the network device under certain conditions, that is, the preset condition, so that the network device can timely It is learned that the terminal device has at least one data packet sending timeout situation.
  • the network device can control the transmission of data in a timely manner, and provide effective scheduling to ensure that the data reaches the receiving end within the survival time, that is, to ensure timely data transmission, thereby improving the availability of communication services.
  • FIG. 1 is a schematic flowchart of a data transmission method in an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a second data transmission method in an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of a terminal device in an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a network device in an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a second type of terminal device in an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of a second type of network device in an embodiment of the present application.
  • GSM Global System of Mobile Communications
  • CDMA Code Division Multiple Access
  • GSM Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE-A Long Term Evolution Advanced
  • NR NR
  • User-side UE can also be called terminal equipment (Mobile Terminal), mobile user equipment, etc., and can communicate with one or more core networks via a radio access network (RAN), and user equipment can be terminal equipment.
  • RAN radio access network
  • user equipment can be terminal equipment.
  • they can be portable, pocket-sized, handheld, computer-built or vehicle-mounted mobile devices, which exchange languages and/or wireless access networks. Or data.
  • Network equipment also called a base station
  • BTS Base Transceiver Station
  • NodeB base station
  • evolutional Node B evolutional Node B
  • LTE Long Term Evolution
  • ENB e-NodeB
  • gNB 5G base station
  • survival time is the time for an application that is communicating to continue to maintain an available state when it does not receive a desired message.
  • the maximum time to live may refer to the length of time during which the communication service may not be able to meet the requirements of the application before the communication application is considered to be in an unavailable state. It can be understood that the survival time refers to the available time to recover from a failure.
  • the receiving end can receive the expected data in time and correctly, the communication service of the receiving end is considered to be in the up state (power-on state).
  • the receiving end application When the receiving end application enters the up state, the receiving end application can maintain the up state for a long time. It is called up time interval or up time. If the receiving end cannot correctly receive the expected data or does not receive the expected data, it is considered that the communication service of the receiving end enters the down state (stop state).
  • the communication application of the receiving end will start a timer. During the running of the timer, the application of the receiving end is still available, and the duration of the timer is the survival time. When the timer times out, the application on the receiving end turns to the down state, and at this time, it can be considered that the application on the receiving end is in an unavailable state.
  • the application at the receiving end usually takes some measures to deal with the unavailability of such communication services. For example, to initiate an emergency shutdown.
  • the application on the receiving end will switch the communication service state to the up state.
  • the transition of the communication service from the down state to the up state may require a long recovery time, resulting in a poor experience of the corresponding communication service. Therefore, high communication availability requirements are usually required in some industrial scenarios.
  • the aforementioned communication service availability may be related to the down time experienced by a certain application.
  • the total running time of an application is T
  • the duration of the i-th down state is ⁇ ti.
  • an embodiment of the present application provides a method for transmitting uplink control information, which is executed by a terminal device, and the method includes the following process steps:
  • Step 101 When a preset condition is met, send first information to a network device, where the first information is used to indicate that the terminal device has at least one data packet sending timeout.
  • the sending end ie the terminal device
  • the sending end has at least one data packet sending timeout (for example, when it is not sent at all or is not correctly received by the receiving end, ie, the network device)
  • it will cause the application on the receiving end to enter an unavailable state
  • the first information can be sent to the network device under certain conditions, that is, the preset condition, so that the network device can timely It is learned that the terminal device has at least one data packet sending timeout situation.
  • the network device can control the transmission of data in a timely manner, and provide effective scheduling to ensure that the data reaches the receiving end within the survival time, that is, to ensure timely data transmission, thereby improving the availability of communication services.
  • the manner of sending the first information to the network device in step 101 includes but is not limited to one of the following:
  • the first information may be implicitly indicated by sending the SR resource of the scheduling request.
  • the SR resource for sending the scheduling request corresponds to the logical channel
  • the sending end detects that the sending of one or more first data packets has timed out, and can send through the SR resource corresponding to the logical channel of the one or more first data packets. Scheduling request.
  • the network side can determine which logical channel or logical channels correspond to the data packet whose transmission timeout is carried by the SR resource.
  • the first information may also be carried in the SR and explicitly sent to the network device.
  • the above-mentioned related behavior of sending SR may include but is not limited to at least one of the following:
  • the SR may be triggered when the timer corresponding to the data packet expires.
  • the specific type of data includes but is not limited to at least one of the following: a data packet corresponding to a timer that has expired; a data packet corresponding to a timer that is about to expire.
  • the network side may configure multiple dedicated SR resources, and the multiple dedicated SR resources correspond to different amounts of data and/or different remaining time, and the amount of data and remaining time may be absolute values, or It can be a value that characterizes a range.
  • two SR resources are configured on the network side, and SR resource 1 is used for data whose total amount of data of a specific type of data packet (such as the data packet whose timer expires) is at level A (such as ⁇ 100 bytes)
  • the packet applies for uplink authorization
  • SR resource 1 is used to apply for uplink authorization for a specific type of data packet (such as a data packet whose remaining time is at level A (such as ⁇ 0.5ms)).
  • the SR resource can be used at this time 1 Transmission scheduling request.
  • the aforementioned SR carries at least one of data volume information and remaining time information.
  • the data volume information is used to indicate the total data volume of a specific type of data packet.
  • the remaining time information is used to indicate that the timer distance corresponding to a specific type of data packet reaches the remaining time length of the preset timing duration.
  • the specific type of data includes but is not limited to at least one of the following: a data packet corresponding to a timer that has timed out; a data packet corresponding to a timer that is about to expire.
  • the amount of data and/or the remaining time may also be carried.
  • the amount of data and the remaining time may be an absolute value or a value used to characterize the range. If the data volume is less than 100 bytes, it is defined as range 1, greater than or equal to 100 bytes and less than 200 bytes is defined as range 2, and greater than 200 bytes is defined as range 3.
  • the data volume field in the SR can carry the characterization The value of the range.
  • the scheduling request may carry multiple pairs of data volume fields and remaining time fields. For example, the data volume of level A with the remaining time is range 1, and the data volume of level B with the remaining time is range 2.
  • the buffer status report (Buffer Status Report, BSR) is triggered by sending.
  • the first information may be sent to the network device by carrying the first information in the BSR.
  • the above-mentioned related behavior of sending BSR may include but not limited to at least one of the following:
  • the BSR may be triggered when the timer corresponding to the data packet expires.
  • the above-mentioned BSR carries at least one of data volume information and remaining time information.
  • the data amount information is used to indicate the total data amount of a specific type of data packet.
  • the remaining time information is used to indicate that the timer distance corresponding to a specific type of data packet reaches the remaining time length of the preset timing duration.
  • the specific type of data includes but is not limited to at least one of the following: a data packet corresponding to a timer that has timed out; a data packet corresponding to a timer that is about to expire.
  • At least one of the above-mentioned data amount information and remaining time information may be indicated by per logical channel, or may be indicated by per logical channel group.
  • the amount of data and/or the remaining time may also be carried.
  • the amount of data and the remaining time may be an absolute value, or may be used to characterize the range. value.
  • the buffer status report can carry logical channel (or group) 1 with the remaining time of level A data as range 1, and logical channel (or group) 2 with remaining time of B level data as range 2.
  • the buffer status report may carry multiple pairs of data volume domains and remaining time domains. For example, logical channel (or group) 1 remaining time is level A data volume is range 1, logical channel (or group) 2 remaining time The amount of data for level B is range 2.
  • the first information may be implicitly indicated by the PRACH resource that initiates the random access procedure.
  • the network side configures a dedicated physical random access channel PRACH resource, and when the sending end detects that one or more data packets are sent overtime, the random access process can be initiated through the PRACH resource. Further, the network side can learn from the random access resource that there is a data packet sending timeout at the sending end.
  • a random access procedure may be initiated through the dedicated physical random access channel PRACH resource, and the above-mentioned first information may be explicitly sent to the network device.
  • the first information may be sent to the network device by carrying the first information in the user plane signaling of the PDCP layer or the RLC layer.
  • Control plane signaling through PDCP layer or RLC layer may be sent to the network device by carrying the first information in the control plane signaling of the PDCP layer or the RLC layer.
  • a control packet is sent.
  • the control packet may carry multiple PDCPs and SNs to indicate that the timer 1 with multiple data packets has expired.
  • the control packet may carry multiple RLCs and SNs to indicate that the timer 1 with multiple data packets has expired.
  • the first information can be sent to the network device by carrying the first information in the MAC layer signaling.
  • the MAC layer signaling may trigger SR.
  • the sending end device can trigger SR if the sending end detects that multiple consecutive first data packets have timed out and needs to send MAC signaling to the network side, but there is no resource (such as PUSCH resource) for sending the MAC signaling, the sending end device can trigger SR.
  • the MAC signaling may be a MAC control element (Medium Access Control Control Element, MAC CE); wherein, the MAC CE may carry a logical channel identifier, which is used to indicate that there is a logical channel corresponding to the logical channel identifier. Or multiple packets whose timers have expired.
  • the MAC signaling may also carry additional information, such as the amount of data and/or the remaining time, for example, the total amount of data of the data packet whose timer has expired in the logical channel 1. Or, for example, the total data volume of the data packet with the remaining time of 0 in the logical channel 1 is 100 bytes, and the total data volume of the data packet with the remaining time of 0.5 ms in the logical channel 2 is 200 bytes.
  • the foregoing preset conditions may include, but are not limited to, the following specific embodiments:
  • the foregoing preset condition is that the first timer corresponding to the N data packets expires.
  • the value of N is agreed upon by a protocol or configured by the network device, wherein the value of N is an integer value greater than or equal to 1.
  • the foregoing N data packets may be consecutive N data packets.
  • the consecutive N data packets may be N consecutively numbered data packets; it may also be N consecutively-numbered data packets (for example, the time to reach a certain protocol layer); and it may also be N consecutively numbered data packets. And the data packets with continuous arrival time.
  • the numbering when the PDCP layer of the transmitting end device maintains the aforementioned first timer, the numbering may be a PDCP count value (that is, COUNT) or a PDCP sequence number (Sequence Number, SN) and so on.
  • the number when the RLC layer of the sending end device maintains the above-mentioned first timer, the number may be an RLC sequence number (Sequence Number, SN) or the like.
  • the terminal device maintains the first timer corresponding to at least one data packet, so as to provide timely feedback to the network device when the timing duration of the first timer is reached or exceeded, that is, the preset condition is met. It has the case that the data packet is sent overtime, so that the network side can timely and accurately learn that the relevant communication service has entered or is about to enter an unavailable state, so as to adjust the data transmission strategy.
  • the above-mentioned first timer may be maintained by the PDCP layer or the radio link control RLC layer of the terminal device.
  • the timing duration of the foregoing first timer may be configured by a network device or agreed upon by a protocol. Further, the timing duration of the first timer may be greater than or equal to the maximum delay duration of the data packet, and less than or equal to the difference between the survival time and the maximum delay duration of the data packet.
  • the survival time is the survival time of the Uu port obtained by mapping the survival time of the application layer of the terminal device; the survival time of the Uu port may be provided by the core network to the wireless access network.
  • the configuration granularity of the first timer is based on data radio bearer (Data Radio Bearer, DRB) or quality of service flow (Quality of Service-flow, Qos-flow).
  • DRB Data Radio Bearer
  • Qos-flow Quality of Service-flow
  • one first timer is shared every (per) DRB or every (per) Qos-flow.
  • the starting condition of the above-mentioned first timer may include, but is not limited to, one of the following:
  • the first timer corresponding to the data packet is started to further determine whether to feed back corresponding first information to the network device according to the result of whether the started first timer expires.
  • the data packet corresponding to the first timer arrives and reaches the first preset duration. That is to say, whenever a data packet arrives and the duration of the arrival of the data packet reaches a certain length of time, that is, the first preset length of time, the first timer corresponding to the data packet is started, so as to further start according to the started first timer.
  • the result of whether the timer expires determines whether to feed back corresponding first information to the network device.
  • the arrival of the data packet can be understood as: the data packet arrives from the upper layer to the protocol layer maintaining the first timer, and it can also be understood as the protocol layer maintaining the first timer receives the data packet from the upper layer.
  • the timer 1 (that is, the first timer) is started.
  • the PDCP layer of the UE maintains a timer, and when the PDCP layer receives a data packet from the upper layer (such as the Service Data Adaptation Protocol (SDAP) layer or the application layer), the timer 1 is started. Or, for example, the PDCP layer of the UE maintains timer 1.
  • the PDCP layer receives a data packet from the upper layer (such as the SDAP layer), it starts timer 1 corresponding to the data packet (if the data packet belongs to QoS flow 1, start Timer 1 corresponding to QoS flow 1).
  • SDAP Service Data Adaptation Protocol
  • the stop condition of the above-mentioned first timer includes but is not limited to one of the following:
  • the data packet corresponding to the first timer is successfully sent. That is to say, whenever a data packet arrives, the first timer corresponding to the data packet is started. If it is determined that the data packet is successfully sent before the timing duration of the first timer is reached or exceeded, the data packet can be stopped. The operation of the first timer.
  • the successful transmission of the data packet may be that the protocol entity (such as the PDCP entity) maintaining the first timer submits the corresponding data packet to the bottom layer (such as the RLC entity). It may also be that the data packet corresponding to the first timer is sent from the sending end device (for example, sent from the air interface).
  • the protocol entity such as the PDCP entity
  • the bottom layer such as the RLC entity
  • the data packet corresponding to the first timer is sent from the sending end device (for example, sent from the air interface).
  • a successful transmission indication of the data packet corresponding to the first timer is received. That is to say, whenever a data packet arrives, the first timer corresponding to the data packet is started, and if the successful transmission indication of the data packet is received before the timing duration of the first timer is reached or exceeded, then The operation of the first timer can be stopped.
  • the successful transmission indication of the data packet corresponding to the first timer includes but is not limited to one of the following:
  • the opposite entity indicates that the data packet corresponding to the first timer is successfully received.
  • the opposite-end entity may refer to the entity at the receiving end of the data packet.
  • the opposite entity indicates that the above-mentioned data packet is successfully received, which may be indicated through a status report.
  • the first timer is maintained at the PDCP layer, and the opposite PDCP entity is indicated by the PDCP status report; or the first timer is maintained at the RLC layer, and the opposite RLC entity is indicated by the RLC status report.
  • the underlying entity indicates that the data packet corresponding to the first timer is successfully received.
  • the underlying entity may refer to the underlying entity of the sender of the data packet.
  • the bottom-layer entity indicates that the above-mentioned data packet is successfully received, which may be indicated by the bottom-layer HARQ feedback and/or the bottom-layer RLC feedback.
  • the PDCP layer of the UE maintains timer 1.
  • the above-mentioned preset condition is that the second timer expires.
  • the terminal device maintains another timer, that is, the second timer, so that when the timing duration of the second timer is reached or exceeded, that is, when the preset condition is satisfied, it is reported to the network device in time.
  • the network side can timely and accurately learn that the relevant communication service has entered or is about to enter an unavailable state.
  • the timing duration of the foregoing second timer may be configured by a network device or agreed upon by a protocol.
  • the start condition of the above-mentioned second timer includes but is not limited to: the third timer expires.
  • the third timer corresponds to N data packets.
  • the value of N is agreed upon by a protocol or configured by the network device, wherein the value of N is an integer value greater than or equal to 1.
  • the foregoing N data packets may be consecutive N data packets.
  • the consecutive N data packets may be N consecutively numbered data packets; it may also be N consecutively-numbered data packets (for example, the time to reach a certain protocol layer); and it may also be N consecutively numbered data packets. And the data packets with continuous arrival time.
  • the numbering when the PDCP layer of the transmitting end device maintains the aforementioned third timer, the numbering may be a PDCP count value (that is, COUNT) or a PDCP sequence number (Sequence Number, SN) and so on.
  • the number when the RLC layer of the sending end device maintains the foregoing third timer, the number may be an RLC sequence number (Sequence Number, SN) or the like.
  • the above-mentioned third timer may be maintained by the PDCP layer or the radio link control RLC layer of the terminal device.
  • the timing duration of the foregoing third timer may be configured by a network device or agreed upon by a protocol. Further, the timing duration of the third timer may be greater than or equal to the maximum delay duration of the data packet, and less than or equal to the difference between the survival time and the maximum delay duration of the data packet.
  • the survival time is the survival time of the Uu port obtained by mapping the survival time of the application layer of the terminal device; the survival time of the Uu port may be provided by the core network to the wireless access network.
  • the configuration granularity of the foregoing third timer is based on data radio bearer (Data Radio Bearer, DRB) or quality of service flow (Quality of Service-flow, Qos-flow).
  • DRB Data Radio Bearer
  • Qos-flow Quality of Service-flow
  • a third timer is shared every (per) DRB or every (per) Qos-flow.
  • the third timer is a timer with the same properties as the first timer.
  • the start condition of the third timer includes but is not limited to one of the following:
  • the data packet corresponding to the third timer arrives and reaches the second preset duration. That is to say, whenever a data packet arrives and the duration of the arrival of the data packet reaches a certain length of time, that is, the second preset length of time, a timer is started, that is, the third timer, if the third timer is further reached or exceeded If the timing duration of the second timer is reached (or the third timer expires), then another timer, the second timer, is further started; then, if the timing duration of the second timer is further reached or exceeded, it can be considered as satisfying The preset condition for sending the above-mentioned first information.
  • the arrival of the data packet can be understood as the arrival of the data packet from the upper layer to the protocol layer maintaining the third timer, and it can also be understood as the protocol layer maintaining the third timer receiving the data packet from the upper layer.
  • stop condition of at least one of the above-mentioned second timer and third timer includes but is not limited to one of the following:
  • the data packet corresponding to the third timer is successfully sent. That is, if it is determined that the data packet corresponding to the third timer is successfully sent before the timing duration of the third timer is reached or exceeded, the operation of the second timer and/or the third timer can be stopped.
  • the successful transmission of the data packet may be that a protocol entity (such as a PDCP entity) maintaining a third timer submits the above-mentioned data packet to the bottom layer (such as an RLC entity). It may also be that the data packet corresponding to the third timer is sent from the sending end device (for example, sent from the air interface).
  • a protocol entity such as a PDCP entity
  • the bottom layer such as an RLC entity
  • the opposite entity indicates that the data packet corresponding to the third timer is successfully received.
  • the opposite-end entity may refer to the entity at the receiving end of the data packet.
  • the indication by the peer entity that the data packet was successfully received may be indicated by a status report.
  • the third timer is maintained at the PDCP layer, and the opposite PDCP entity is indicated by the PDCP status report, or the third timer is maintained at the RLC layer, and the opposite RLC entity is indicated by the RLC status report.
  • the underlying entity indicates that the data packet corresponding to the third timer is successfully received.
  • the underlying entity may refer to the underlying entity of the sender of the data packet.
  • the bottom layer entity indicating that the data packet corresponding to the third timer is successfully received may be indicated through bottom layer HARQ feedback and/or bottom layer RLC feedback.
  • the transmission instructions may include but are not limited to b) and c) above.
  • the data transmission method of the embodiment of the present application may also include, but is not limited to, one of the following specific embodiments:
  • the following content may be further included:
  • the transmission of the at least one data packet that has timed out through the uplink authorization configured on the network side ensures timely data transmission, thereby improving the availability of communication services.
  • the foregoing uplink authorization carries second information, and the second information is used to indicate at least one of the following:
  • the uplink authorization is applicable to a specific logical channel.
  • the foregoing step of transmitting the at least one data packet according to the uplink authorization may specifically include the following content: according to the second information, the uplink authorization is allocated to the specific logical channel. In this way, the transmission of at least one data packet that has timed out can be realized based on the uplink grant corresponding to the specific logical channel.
  • the uplink authorization is applicable to a specific logical channel group.
  • the foregoing step of transmitting the at least one data packet according to the uplink authorization may specifically include the following content: according to the second information, the uplink authorization is allocated to the specific logical channel group. In this way, the transmission of at least one data packet that has timed out can be realized based on the uplink grant corresponding to the specific logical channel group.
  • the uplink authorization is applicable to specific types of data packets.
  • the foregoing step of transmitting the at least one data packet according to the uplink authorization may specifically include the following content: according to the second information, the logical channel corresponding to the specific type of data packet is allocated the uplink Authorization. In this way, the transmission of a specific type of data packet can be realized based on the uplink authorization corresponding to the specific logical channel.
  • the specific type of data includes but is not limited to at least one of the following:
  • a data packet corresponding to the timer that has timed out may include: a data packet corresponding to the first timer or the third timer that has timed out.
  • a data packet corresponding to the timer that is about to expire may include: a data packet corresponding to the first timer or the third timer that is about to expire.
  • the network device after sending the first information to the network device, it may further include the following content:
  • the logical channel configuration corresponding to the radio bearer is adjusted through the reconfiguration message configured on the network side to be further based on the adjusted logical channel configuration (for example, the adjusted logical channel priority is higher than the pre-adjusted logical channel priority, through the adjustment logic
  • the channel priority ensures that the bearer corresponding to the data packet whose transmission timeout is timed out can be allocated to the at least one data packet whose transmission timeout is timed out in time to ensure timely data transmission, thereby improving the availability of communication services.
  • the fourth timer is started.
  • the data transmission method of the embodiment of the present application may further include the following content: prohibiting or not allowing the sending of the first information to the network device.
  • a fourth timer can be started.
  • the UE is not allowed to send the first information to the network side again.
  • the UE stops the fourth timer. If the fourth timer is not running (the not running includes the fourth timer not being started, the fourth timer is stopped after being started, the fourth timer has timed out, etc.), the UE is allowed Send indication information, that is, the above-mentioned first information, to the network side, where the indication information is used to indicate that there is a data packet sending timeout on the UE side.
  • an embodiment of the present application provides a data transmission method, which is executed by a network device, and the method includes the following process steps:
  • Step 201 Receive first information sent by a terminal device when a preset condition is met, where the first information is used to indicate that the terminal device has at least one data packet sending timeout.
  • the sending end namely the terminal device
  • the sending end has at least one data packet sending timeout (for example, when it is not sent at all or is not correctly received by the receiving end, that is, the network device)
  • it will cause the application on the receiving end to enter an unavailable state.
  • the first information sent by the terminal device when a certain condition is met that is, a preset condition
  • the network device can timely learn that the terminal device has sent at least one data packet overtime.
  • the network device can timely know whether the relevant communication service has entered or is about to enter the unavailable state, so as to control the data transmission in time, ensure the data transmission in time, and improve the availability of the communication service.
  • the first information received above can be sent by the terminal device in different ways, and its related content can refer to the relevant description in the data transmission method performed by the terminal device shown in FIG. 1, for example, by sending SR , By sending BSR, initiating random access process through PRACH resource, through PDCP layer or RLC layer user plane signaling, through PDCP layer or RLC layer control plane signaling, or through MAC layer signaling, etc., which will not be repeated here. .
  • the foregoing preset conditions may include, but are not limited to, the following specific embodiments:
  • the foregoing preset condition is that the first timer corresponding to the N data packets expires.
  • the value of N is agreed upon by a protocol or configured by the network device, wherein the value of N is an integer value greater than or equal to 1.
  • the foregoing N data packets may be consecutive N data packets.
  • the consecutive N data packets may be N consecutively numbered data packets; it may also be N consecutively-numbered data packets (for example, the time to reach a certain protocol layer); and it may also be N consecutively numbered data packets. And the data packets with continuous arrival time.
  • the numbering when the PDCP layer of the transmitting end device maintains the aforementioned first timer, the numbering may be a PDCP count value (that is, COUNT) or a PDCP sequence number (Sequence Number, SN) and so on.
  • the number when the RLC layer of the sending end device maintains the above-mentioned first timer, the number may be an RLC sequence number (Sequence Number, SN) or the like.
  • the first timer corresponding to the above at least one data packet can be maintained by the terminal device, so that when the timing duration of the first timer is reached or exceeded, that is, the preset condition is met, the terminal device can report to the network
  • the device timely reports that it has a data packet sending timeout situation, so that the network side can timely and accurately learn that the relevant communication service has entered or is about to enter an unavailable state, so as to adjust the data transmission strategy.
  • the timing duration of the foregoing first timer may be configured by a network device or agreed upon by a protocol. Further, the timing duration of the first timer may be greater than or equal to the maximum delay duration of the data packet, and less than or equal to the difference between the survival time and the maximum delay duration of the data packet.
  • the survival time is the survival time of the Uu port obtained by mapping the survival time of the application layer of the terminal device; the survival time of the Uu port may be provided by the core network to the wireless access network.
  • the configuration granularity of the foregoing first timer is based on data radio bearer DRB or quality of service flow Qos-flow.
  • one first timer is shared for every DRB or every Qos-flow.
  • the relevant content of the start condition and the stop condition of the first timer can refer to the relevant description in the data transmission method executed by the terminal device shown in FIG. 1, and details are not repeated here.
  • the above-mentioned preset condition is that the second timer expires.
  • the above-mentioned second timer may be maintained by the terminal device, so that when the timing duration of the second timer is reached or exceeded, that is, when the preset condition is satisfied, the terminal device can promptly feed back it to the network device.
  • the data packet is sent overtime, so that the network side can timely and accurately learn that the relevant communication service has entered or is about to enter an unavailable state.
  • the timing duration of the foregoing second timer may be configured by a network device or agreed upon by a protocol.
  • the start condition of the above-mentioned second timer includes but is not limited to: the third timer expires.
  • start condition and stop condition of the third timer, and the stop condition of the second timer, etc. can refer to the relevant description in the data transmission method executed by the terminal device shown in FIG. This will not be repeated here.
  • the data transmission method of the embodiment of the present application further includes but is not limited to one of the following: configuring the at least one timer; configuring the second timer And the third timer. For example, configure the timing duration and granularity of each timer.
  • the data transmission method in the embodiment of this application may further include but is not limited to one of the following specific embodiments:
  • the method further includes the following content: configuring an uplink authorization.
  • the configured uplink authorization allows the terminal device to transmit at least one data packet that has timed out based on the uplink authorization to ensure timely data transmission, thereby improving the availability of communication services.
  • the uplink grant carries second information; wherein, the second information is used to indicate at least one of the following:
  • the uplink authorization is used for specific logical channel allocation.
  • the specific logical channel may be used by the terminal device for the transmission of at least one data packet whose sending timeout is described above.
  • the foregoing second information may be used by the terminal device to allocate the uplink grant to the specific logical channel.
  • the terminal device can realize the transmission of at least one data packet that has timed out based on the uplink grant corresponding to the specific logical channel.
  • the uplink authorization is used for a specific logical channel group.
  • the specific logical channel group may be used by the terminal device for the transmission of at least one data packet whose sending timeout is described above.
  • the foregoing second information may be used by the terminal device to allocate the uplink grant to the specific logical channel group.
  • the terminal device can implement the transmission of at least one data packet that has timed out based on the uplink grant corresponding to the specific logical channel group.
  • the uplink authorization is used for a specific type of data packet.
  • the specific type of data includes at least one of the following:
  • a data packet corresponding to the timer that has timed out may include: a data packet corresponding to the first timer or the third timer that has timed out.
  • a data packet corresponding to the timer that is about to expire may include: a data packet corresponding to the first timer or the third timer that is about to expire.
  • the foregoing second information may be used by the terminal device to allocate the uplink grant to the logical channel corresponding to the specific type of data packet.
  • the terminal device can implement the transmission of a specific type of data packet based on the uplink authorization corresponding to the specific logical channel.
  • the method further includes the following content: sending a reconfiguration message, the reconfiguration message is used to adjust the configuration of a logical channel corresponding to a radio bearer, and the radio bearer corresponds to the at least one data packet.
  • the terminal device can adjust the logical channel configuration corresponding to the radio bearer according to the reconfiguration message, and further based on the adjusted logical channel configuration (for example, the adjusted logical channel priority is higher than the adjusted logical channel configuration).
  • the previous logical channel priority by adjusting the logical channel priority to ensure that the bearer corresponding to the data packet with the timeout transmission can be allocated to at least one data packet with the transmission timeout in time, to ensure timely data transmission, thereby improving the availability of communication services.
  • an embodiment of the present application provides a terminal device 300, and the terminal device 300 includes:
  • the sending module 301 is configured to send first information to a network device when a preset condition is met, where the first information is used to indicate that the terminal device has at least one data packet sending timeout.
  • the foregoing preset condition includes one of the following:
  • the first timer corresponding to the N data packets expires; the second timer expires.
  • the value of N is agreed upon by a protocol or configured by the network device, where the value of N is an integer value greater than or equal to 1.
  • the start condition of the foregoing first timer includes one of the following :
  • the data packet corresponding to the first timer After the data packet corresponding to the first timer arrives; the data packet corresponding to the first timer arrives and reaches a first preset duration.
  • the stop condition of the above-mentioned first timer includes one of the following:
  • the data packet corresponding to the first timer is successfully sent; a successful transmission indication of the data packet corresponding to the first timer is received.
  • the first The successful transmission indication of the data packet corresponding to the timer includes one of the following:
  • the opposite entity indicates that the data packet corresponding to the first timer is successfully received; the underlying entity indicates that the data packet corresponding to the first timer is successfully received.
  • the start condition of the foregoing second timer includes: the third timer expires.
  • the terminal device 300 of the embodiment of the present application may further include: a first processing module, configured to perform one of the following operations when the foregoing third timer expires and the second timer is running :
  • the start condition of the above-mentioned third timer includes one of the following:
  • the data packet corresponding to the third timer After the data packet corresponding to the third timer arrives; the data packet corresponding to the third timer arrives and reaches the second preset duration.
  • the stop condition of at least one of the second timer and the third timer includes one of the following:
  • the data packet corresponding to the third timer is successfully sent; the peer entity indicates that the data packet corresponding to the third timer is successfully received; the underlying entity indicates that the data packet corresponding to the third timer is successfully received.
  • the terminal device 300 of the embodiment of the present application may further include: a receiving module, configured to perform one of the following operations:
  • Receiving the uplink authorization configured by the network device receiving a reconfiguration message sent by the network device, the reconfiguration message is used to adjust the configuration of a logical channel corresponding to a radio bearer, the radio bearer corresponding to the at least one data packet .
  • the terminal device 300 of the embodiment of the present application may further include: a transmission module, configured to transmit the at least one piece of data according to the uplink authorization when the uplink authorization configured by the network device is received Bag.
  • a transmission module configured to transmit the at least one piece of data according to the uplink authorization when the uplink authorization configured by the network device is received Bag.
  • the foregoing uplink authorization carries second information, and the second information is used to indicate at least one of the following:
  • the uplink grant is applicable to a specific logical channel; the uplink grant is applicable to a specific logical channel group; the uplink grant is applicable to a specific type of data packet.
  • the above-mentioned transmission module is configured to perform one of the following operations:
  • the second information assign the uplink grant to the specific logical channel; according to the second information, assign the uplink grant to the specific logical channel group; according to the second information, The logical channel corresponding to the specific type of data packet is allocated the uplink authorization; the at least one data packet is sent preferentially; the at least one data packet is automatically retransmitted.
  • the aforementioned sending module 301 may be specifically configured to send the first information in one of the following ways:
  • a scheduling request SR By sending a scheduling request SR; by sending a trigger buffer status report BSR; by sending a dedicated physical random access channel PRACH resource to initiate a random access process; by packet data convergence protocol PDCP layer or radio link control RLC layer user plane signaling; by PDCP layer or RLC layer control plane signaling; media access control MAC layer signaling.
  • the sending module 301 described above may be specifically configured to perform at least one:
  • Trigger the SR send the SR through a dedicated SR resource, where the dedicated SR resource is used to apply for uplink authorization for a specific type of data packet; send the SR to the network device.
  • the above-mentioned specific type of data includes at least one of the following:
  • the sending module 301 can be specifically configured to perform at least the following operations when the method of sending the first information to the network device is the sending of the BSR: one:
  • Trigger the BSR send the BSR to the network device.
  • the SR in the case where the method of sending the first information to the network device is by sending the SR, the SR carries at least one of the data volume information and the remaining time information.
  • the BSR carries at least one of data volume information and remaining time information.
  • the aforementioned data volume information is used to indicate the total data volume of a specific type of data packet.
  • the above remaining time information is used to indicate that the timer distance corresponding to a specific type of data packet reaches the remaining time length of the preset timing duration.
  • the terminal device 300 of the embodiment of the present application may further include: a second processing module, configured to start a fourth timer after the first information is sent to the network device.
  • a second processing module configured to start a fourth timer after the first information is sent to the network device.
  • the above-mentioned second processing module may also be used for:
  • sending the first information to the network device is prohibited or not allowed.
  • the above-mentioned second processing module may also be used for:
  • the terminal device 300 provided in the embodiment of the present application can implement the aforementioned data transmission method executed by the terminal device 300, and the relevant explanations about the data transmission method are applicable to the terminal device 300, and will not be repeated here.
  • the sending end ie the terminal device
  • the sending end has at least one data packet sending timeout (for example, when it is not sent at all or is not correctly received by the receiving end, ie, the network device)
  • it will cause the application on the receiving end to enter an unavailable state
  • the first information can be sent to the network device under certain conditions, that is, the preset condition, so that the network device can timely It is learned that the terminal device has at least one data packet sending timeout situation.
  • the network device can control the transmission of data in a timely manner, and provide effective scheduling to ensure that the data reaches the receiving end within the survival time, that is, to ensure timely data transmission, thereby improving the availability of communication services.
  • an embodiment of the present application provides a network device 400, and the network device 400 includes:
  • the receiving module 401 is configured to receive first information sent by a terminal device when a preset condition is met, and the first information is used to indicate that the terminal device has sent at least one data packet overtime.
  • the foregoing preset condition includes one of the following:
  • the first timer corresponding to the N data packets expires; the second timer expires.
  • the value of N is agreed upon by a protocol or configured by the network device, where the value of N is an integer value greater than or equal to 1.
  • the network device 400 of the embodiment of the present application may further include one of the following:
  • the configuration module is used to configure the uplink authorization; the sending module is used to send the reconfiguration message, the reconfiguration message is used to adjust the configuration of the logical channel corresponding to the radio bearer, and the radio bearer corresponds to the at least one data packet.
  • the uplink authorization in the case where the uplink authorization is configured above, the uplink authorization carries second information; wherein, the second information is used to indicate at least one of the following :
  • the uplink authorization is used for specific logical channel allocation; the uplink authorization is used for a specific logical channel group; the uplink authorization is used for a specific type of data packet.
  • the specific type of data includes at least one of the following:
  • the start condition of the second timer includes: the third timer expires.
  • the aforementioned configuration module may also be used to perform one of the following operations before the first information sent by the terminal device is received:
  • Configure the at least one timer configure the second timer and the third timer.
  • the network device 400 provided by the embodiment of the present application can implement the aforementioned data transmission method executed by the network device 400, and the relevant explanations about the data transmission method are applicable to the network device 400, and will not be repeated here.
  • the sending end ie, the terminal device
  • the application on the receiving end will enter an unavailable state.
  • the first information sent by the terminal device when a certain condition is met that is, a preset condition
  • the network device can timely learn that the terminal device has sent at least one data packet overtime.
  • the network device can timely know whether the relevant communication service has entered or is about to enter the unavailable state, so as to control the data transmission in time, ensure the data transmission in time, and improve the availability of the communication service.
  • Fig. 5 is a block diagram of a terminal device according to another embodiment of the present application.
  • the terminal device 500 shown in FIG. 5 includes: at least one processor 501, a memory 502, at least one network interface 504, and a user interface 503.
  • the various components in the terminal device 500 are coupled together through the bus system 505.
  • the bus system 505 is used to implement connection and communication between these components.
  • the bus system 505 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 505 in FIG. 5.
  • the user interface 503 may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.).
  • a pointing device for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.
  • the memory 502 in the embodiment of the present application may be a volatile memory or a 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 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
  • Synchronous DRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • SLDRAM Direct Rambus RAM
  • the memory 502 of the system and method described in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 502 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: operating system 5021 and application programs 5022.
  • the operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
  • the application program 5022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services.
  • the program for implementing the method of the embodiment of the present application may be included in the application program 5022.
  • the terminal device 500 further includes: a program or instruction that is stored in the memory 502 and can be run on the processor 501.
  • a program or instruction that is stored in the memory 502 and can be run on the processor 501.
  • first information is sent to the network device, where the first information is used to indicate that the terminal device has at least one data packet sending timeout.
  • the sending end ie the terminal device
  • the sending end has at least one data packet sending timeout (for example, when it is not sent at all or is not correctly received by the receiving end, ie, the network device)
  • it will cause the application on the receiving end to enter an unavailable state
  • the first information can be sent to the network device under certain conditions, that is, the preset condition, so that the network device can timely It is learned that the terminal device has at least one data packet sending timeout situation.
  • the network device can timely control the transmission of data and provide effective scheduling to ensure that the data reaches the receiving end within the survival time, that is, to ensure timely data transmission, thereby improving the availability of communication services.
  • the method disclosed in the foregoing embodiment of the present application may be applied to the processor 501 or implemented by the processor 501.
  • the processor 501 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 501 or instructions in the form of software.
  • the aforementioned processor 501 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 Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field 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 may be located in a computer-readable storage medium that is mature in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the computer-readable storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502, and completes the steps of the foregoing method in combination with its hardware.
  • a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 501, each step of the above-mentioned data transmission method embodiment is implemented.
  • the embodiments described in the embodiments of the present application may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present application can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present application.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the terminal device 500 can implement the various processes implemented by the terminal device in the foregoing embodiments, and in order to avoid repetition, details are not described herein again.
  • the embodiment of the present application further provides a terminal device, including a processor, a memory, and a program or instruction stored in the memory and capable of running on the processor.
  • the program or instruction implements the above-mentioned application when executed by the processor.
  • Each process of the embodiment of the data transmission method in the terminal device can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or instruction, and when the program or instruction is executed by a processor, each process of the above-mentioned data transmission method embodiment applied to a terminal device is realized, And can achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the processor is the processor in the terminal device described in the foregoing embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk.
  • FIG. 6 is a structural diagram of a network device applied in an embodiment of the present application, which can implement the details of the foregoing data transmission method and achieve the same effect.
  • the network device 600 includes: a processor 601, a transceiver 602, a memory 603, a user interface 604, and a bus interface 605, where:
  • the network device 600 further includes: a program or instruction that is stored in the memory 603 and can run on the processor 601, and when the program or instruction is executed by the processor 601, the following steps are implemented:
  • the sending end ie, the terminal device
  • the application on the receiving end will enter an unavailable state.
  • the first information sent by the terminal device when a certain condition is met that is, a preset condition
  • the network device can timely learn that the terminal device has sent at least one data packet overtime.
  • the network device can timely know whether the relevant communication service has entered or is about to enter the unavailable state, so as to control the data transmission in time, ensure the data transmission in time, and improve the availability of the communication service.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 601 and various circuits of the memory represented by the memory 603 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface 605 provides an interface.
  • the transceiver 602 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the user interface 604 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 can store data used by the processor 601 when performing operations.
  • an embodiment of the present application further provides a network device, including a processor, a memory, and a program or instruction stored in the memory and capable of running on the processor.
  • the program or instruction implements the above-mentioned application when executed by the processor.
  • Each process of the embodiment of the data transmission method for a network device can achieve the same technical effect. In order to avoid repetition, the details are not repeated here.
  • the embodiment of the present application also provides a readable storage medium, and the readable storage medium stores a program or instruction, and when the program or instruction is executed by a processor, each process of the above-mentioned data transmission method embodiment applied to a network device is realized, And can achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the processor is the processor in the network device described in the foregoing embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk.
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.
  • a terminal which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de transmission de données, un dispositif terminal et un dispositif de réseau. Le procédé de transmission de données consiste : lorsqu'une condition prédéfinie est satisfaite, à envoyer des premières informations à un dispositif de réseau, les premières informations étant utilisées pour indiquer l'expiration de l'envoi d'au moins un paquet de données d'un dispositif terminal.
PCT/CN2021/095006 2020-05-22 2021-05-21 Procédé de transmission de données, dispositif terminal et dispositif de réseau WO2021233400A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010444359.3 2020-05-22
CN202010444359.3A CN113709804A (zh) 2020-05-22 2020-05-22 数据传输方法、终端设备和网络设备

Publications (1)

Publication Number Publication Date
WO2021233400A1 true WO2021233400A1 (fr) 2021-11-25

Family

ID=78646496

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/095006 WO2021233400A1 (fr) 2020-05-22 2021-05-21 Procédé de transmission de données, dispositif terminal et dispositif de réseau

Country Status (2)

Country Link
CN (1) CN113709804A (fr)
WO (1) WO2021233400A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024092619A1 (fr) * 2022-11-03 2024-05-10 富士通株式会社 Procédé et appareil de rapport d'informations de retard
WO2024120322A1 (fr) * 2022-12-09 2024-06-13 维沃移动通信有限公司 Procédé et appareil de traitement de paquet de données
WO2024119900A1 (fr) * 2023-08-24 2024-06-13 Lenovo (Beijing) Limited Rapport de retard

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102821477A (zh) * 2012-08-15 2012-12-12 中国联合网络通信集团有限公司 调度请求周期的调整方法及装置
US20180042042A1 (en) * 2016-08-03 2018-02-08 Qualcomm Incorporated Techniques for reporting delay budgets for urllc uplink transmissions
CN108541387A (zh) * 2017-07-25 2018-09-14 北京小米移动软件有限公司 一种数据包丢弃方法、装置和系统
CN110149718A (zh) * 2018-02-14 2019-08-20 华为技术有限公司 数据发送的方法和通信设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101132522B1 (ko) * 2007-10-01 2012-04-02 인터디지탈 패튼 홀딩스, 인크 Ｐｄｃｐ를 폐기하기 위한 방법 및 장치
CN104113928B (zh) * 2014-07-11 2018-04-17 大唐移动通信设备有限公司 一种无线承载控制rbc消息处理方法及装置
CN106549866B (zh) * 2015-09-22 2020-04-28 华为技术有限公司 处理报文的方法、网络设备及系统
CN109788509B (zh) * 2017-11-15 2023-03-10 华为技术有限公司 连续数据包传输失败的规避方法及装置
CN110167066B (zh) * 2018-02-14 2022-09-02 华为技术有限公司 一种数据传输方法及装置
CN110351895B (zh) * 2018-04-04 2021-11-09 华为技术有限公司 通信方法和装置
CN110505076B (zh) * 2018-05-18 2021-02-02 维沃移动通信有限公司 数据包丢失率的测量方法、获取方法、终端及网络设备
CN112888000B (zh) * 2018-05-30 2022-10-28 Oppo广东移动通信有限公司 一种无线资源控制连接方法及设备、计算机存储介质
CN111148234A (zh) * 2018-11-02 2020-05-12 华为技术有限公司 传输数据的方法和装置
CN111181693B (zh) * 2018-11-09 2021-08-31 华为技术有限公司 发送数据的方法、发送数据的装置、以及终端设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102821477A (zh) * 2012-08-15 2012-12-12 中国联合网络通信集团有限公司 调度请求周期的调整方法及装置
US20180042042A1 (en) * 2016-08-03 2018-02-08 Qualcomm Incorporated Techniques for reporting delay budgets for urllc uplink transmissions
CN108541387A (zh) * 2017-07-25 2018-09-14 北京小米移动软件有限公司 一种数据包丢弃方法、装置和系统
CN110149718A (zh) * 2018-02-14 2019-08-20 华为技术有限公司 数据发送的方法和通信设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024092619A1 (fr) * 2022-11-03 2024-05-10 富士通株式会社 Procédé et appareil de rapport d'informations de retard
WO2024120322A1 (fr) * 2022-12-09 2024-06-13 维沃移动通信有限公司 Procédé et appareil de traitement de paquet de données
WO2024119900A1 (fr) * 2023-08-24 2024-06-13 Lenovo (Beijing) Limited Rapport de retard

Also Published As

Publication number Publication date
CN113709804A (zh) 2021-11-26

Similar Documents

Publication Publication Date Title
US11082164B2 (en) Data transmission method, terminal device, and network device
WO2021233400A1 (fr) Procédé de transmission de données, dispositif terminal et dispositif de réseau
WO2020094107A1 (fr) Procédé d'envoi de données, appareil d'envoi de données, et dispositif terminal
WO2020151654A1 (fr) Procédé et dispositif de transmission de liaison latérale
WO2020107479A1 (fr) Procédé de transmission de données, dispositif terminal, et dispositif de réseau
WO2021088922A1 (fr) Procédé de rapport de mesure, dispositif terminal, et dispositif de réseau
WO2021022508A1 (fr) Procédé, dispositif et système de déclenchement d'une requête de planification de liaison latérale
WO2020191740A1 (fr) Procédé et dispositif de réception ou de transmission de signal, et système
WO2020113869A1 (fr) Procédé, appareil et terminal permettant de traiter une demande d'ordonnancement
WO2021217351A1 (fr) Procédé de surveillance de canal, dispositif électronique et support de stockage
WO2020087369A1 (fr) Procédé de comptage, dispositif terminal et appareil
JP7488839B2 (ja) 通信方法、端末装置及びネットワーク装置
WO2021233401A1 (fr) Procédé et dispositif de transmission de données
WO2021239135A1 (fr) Procédé et dispositif de détermination de priorité
WO2020220337A1 (fr) Procédé et dispositif de rétroaction d'informations harq
WO2022151242A1 (fr) Procédé de transmission de données, dispositif électronique, et support de stockage
WO2021147864A1 (fr) Procédé de détermination d'informations de rétroaction de liaison latérale, et dispositif de communication
WO2021232433A1 (fr) Procédé et appareil de surveillance de canal, dispositif et support de stockage
WO2020088520A1 (fr) Procédé de transmission de liaison montante et dispositif terminal
WO2021026841A1 (fr) Procédé et dispositif permettant de transmettre une demande de planification
WO2021056581A1 (fr) Procédé et appareil d'envoi et de réception de signaux de liaison montante
EP3908053A1 (fr) Procédé de communication, dispositif de terminal et dispositif de réseau
WO2020147049A1 (fr) Procédé et appareil pour traiter une réduction de la couverture dans le sens montant, terminal, et dispositif de réseau
WO2020124534A1 (fr) Procédé et dispositif de transmission de données
WO2021233405A1 (fr) Procédé et dispositif d'envoi de données

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21809661

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 02/05/2023)

122 Ep: pct application non-entry in european phase

Ref document number: 21809661

Country of ref document: EP

Kind code of ref document: A1