WO2021233405A1 - Procédé et dispositif d'envoi de données - Google Patents

Procédé et dispositif d'envoi de données Download PDF

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Publication number
WO2021233405A1
WO2021233405A1 PCT/CN2021/095020 CN2021095020W WO2021233405A1 WO 2021233405 A1 WO2021233405 A1 WO 2021233405A1 CN 2021095020 W CN2021095020 W CN 2021095020W WO 2021233405 A1 WO2021233405 A1 WO 2021233405A1
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Prior art keywords
data packet
data
timer
specific
sent
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PCT/CN2021/095020
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English (en)
Chinese (zh)
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吴昱民
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维沃移动通信有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the embodiments of the present disclosure relate to the field of communication technologies, and in particular, to a data transmission method and device.
  • the availability of communication services is an important service performance requirement indicator for many automated functional applications, especially for applications with deterministic business flows.
  • many automation function applications (hereinafter referred to as applications) have high demand for communication service availability, such as mobile control, which has a high demand for communication service availability as high as 99.999999%.
  • the purpose of the embodiments of the present application is to provide a data transmission method and device to solve the problem that the data transmission of a specific high-reliability application cannot be ensured as much as possible in the related technology, and the application service is likely to be interrupted.
  • a data sending method is provided, the method is executed by a communication device, and the method includes: adjusting a sending mode of data sending when a condition is met.
  • a communication device including: an adjustment module, configured to adjust a data transmission mode when conditions are met; and a transmission module, configured to perform data transmission according to the adjusted transmission mode.
  • a communication device in a third aspect, includes a processor, a memory, and instructions or programs that are stored on the memory and that can run on the processor.
  • the instructions or programs are executed by the processor. When executed, the steps of the data sending method as described in the first aspect are realized.
  • a readable storage medium stores an instruction or a program, and when the instruction or program is executed by a processor, the data sending method as described in the first aspect is implemented.
  • an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the chip as in the first aspect The described data transmission method.
  • the communication device adjusts the data transmission mode when the conditions are met, for example, adjusts the logical channel priority-related configuration of data transmission, adjusts the transmission power-related configuration of data transmission, assigns or allocates to specific data packets, or Changing the earlier serial number, etc., not only improves the flexibility of data transmission, but also makes it easier to ensure the data transmission of a specific high-reliability application as much as possible, avoiding the problem of causing application service interruption, and improving the effectiveness of communication.
  • Fig. 1 is a schematic flowchart of a data sending method according to an embodiment of the present application
  • Fig. 2 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • Fig. 3 is a schematic structural diagram of a terminal device according to another embodiment of the present application.
  • Fig. 4 is a schematic structural diagram of a network device according to another embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • terminal equipment may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), and a mobile phone (handset) And portable equipment (portable equipment), vehicles (vehicle), etc.
  • the terminal equipment can communicate with one or more core networks through a radio access network (Radio Access Network, RAN), for example, the terminal equipment can be a mobile phone (or It is called a "cellular" phone), a computer with wireless communication function, etc.
  • the terminal device can also be a portable, pocket-sized, handheld, built-in computer or a mobile device in a vehicle.
  • a network device is a device deployed in a wireless access network to provide wireless communication functions for terminal devices.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with base station functions may be different.
  • an evolved NodeB evolved NodeB, eNB or eNodeB
  • 3G third generation
  • NodeB Node B
  • 5G 5G system
  • gNB Generation Node B
  • gNB network equipment in subsequent evolved communication systems, etc., however, the terminology does not constitute a restriction.
  • an embodiment of the present application provides a data sending method 100.
  • the method can be executed by a communication device.
  • the method can be executed by software or hardware installed on the communication device.
  • the method includes the following steps .
  • This embodiment may be executed by a communication device, which is a sender device, specifically a terminal device (such as a UE), or a network device (such as a gNB).
  • a communication device which is a sender device, specifically a terminal device (such as a UE), or a network device (such as a gNB).
  • Condition 1 The waiting time of the data packet to be sent exceeds the first threshold.
  • Condition 2 The receiving time length of the feedback packet corresponding to the sent data packet exceeds the second threshold.
  • the data packet to be sent is the first specific data packet; wherein, the first specific data packet is specified by a protocol agreement, network device configuration, or application service.
  • Condition four sending the second specific data packet after the sending mode was adjusted the previous time.
  • Condition five a connection failure occurs.
  • Condition 6 The use time of the specific sending method reaches or exceeds the fourth threshold.
  • Condition seven receiving instruction information for instructing to adjust the sending mode.
  • Condition eight There is no data to be sent for a period of time after the data waiting time of the data packet exceeds the fifth threshold.
  • the satisfying condition mentioned in this embodiment may also include a combination of at least two of the above-mentioned condition 1 to condition 8.
  • the satisfaction conditions mentioned in this embodiment may include that the waiting time of the data packet of condition 1 exceeds the first threshold, and the receiving time of the feedback packet corresponding to the sent data packet of condition 2 exceeds the second threshold. Limit.
  • Method 1 Adjust the priority-related configuration of the logical channel for data transmission.
  • Method 2 Adjust the transmission power related configuration of data transmission.
  • Method 3 Assign or change an earlier sequence number for the third specific data packet.
  • the sending mode of adjusting data transmission mentioned in this embodiment can also be a combination of at least two of the above methods 1 to 4.
  • the method of adjusting the data transmission mentioned in this embodiment may include method 1 adjusting the logical channel priority related configuration of data transmission, and method 2 adjusting the transmission power related configuration of data transmission.
  • the above-mentioned methods 1 to 4 are applicable to the case where the communication device is a terminal device, and at the same time, it is also applicable to the case where the communication device is a network device.
  • the above-mentioned sending manner of adjustment data sending may further include at least one of the following:
  • the scheduling request carries first indication information
  • the first indication information carries at least one of the amount of data to be sent and the remaining time.
  • the buffer status report carries second indication information
  • the second indication information carries at least one of the amount of buffered data and the remaining time.
  • the MAC layer signaling may carry a logical channel identifier, which is used to indicate that the logical channel corresponding to the logical channel identifier has a data packet that has timed out.
  • the network device can allocate an uplink grant to the terminal device, and the uplink grant can be used for transmission timeout or Send data packets that are about to time out to prevent the application of the receiving device from entering an unavailable state and improve the effectiveness of communication.
  • the above uplink authorization may carry third indication information, and the third indication information is used to indicate that the uplink authorization is used for a specific type of data packet, and the specific type of data packet includes sending timeout or sending data that is about to time out Bag.
  • the network device can also send configuration information, which is used to reconfigure the logical channel corresponding to the data packet Configuration. For example, the priority of the logical channel of the radio bearer corresponding to the data packet is increased to facilitate the timely transmission of the data packet, to prevent the application of the receiving end device from entering an unavailable state, and to improve the effectiveness of communication.
  • condition 1 to condition 8 (referred to as case 1 in the following) define the situations when the conditions are met; the method 1 to method 4 mentioned later and a), b), and c) (referred to as the case in the following) 2)
  • the limitation is how to adjust the sending mode of data transmission.
  • case 1 and case 2 can be freely combined to form multiple different combinations of embodiments.
  • the communication device adjusts the data transmission mode when the conditions are met, for example, adjusts the logical channel priority-related configuration for data transmission, adjusts the transmission power-related configuration for data transmission, and selects specific data. Packet allocation or changing the earlier sequence number, etc. not only improve the flexibility of data transmission, but also make it easier to ensure the data transmission of a specific high-reliability application as much as possible, avoiding the problem of causing application service interruption, and improving the effectiveness of communication.
  • Condition 1 The waiting time of the data packet to be sent exceeds the first threshold.
  • Condition one may specifically be that the data waiting time of one or more data packets exceeds the first threshold.
  • the dedicated radio bearer Dedicated Radio Bearer, DRB
  • DRB Dedicated Radio Bearer-1 packet data convergence protocol
  • PDCP Packet Data Convergence Protocol
  • SDU Service Data Unit
  • the above-mentioned first threshold value may be configured by the network side or agreed by a protocol.
  • the above-mentioned first threshold value may be independently determined by the network side or agreed upon by agreement.
  • the following step may be further included: starting a first timer (for example, waitTimer), the first timer is used to determine the waiting time for sending the data packet, that is, to determine the data packet Whether the waiting time for sending is timed out (whether it exceeds the first threshold).
  • a first timer for example, waitTimer
  • start condition of the first timer includes any one of the following:
  • the PDCP layer of the communication device maintains the above-mentioned first timer, and the first timer is started when the data packet reaches the PDCP layer from the upper layer of the PDCP layer.
  • the first timer starts when the time length after the arrival of the data packet reaches the first time length. For example, if the time length for the PDCP SDU-1 to reach the PDCP layer reaches the first time length agreed by the protocol or configured by the network device, and the PDCP SDU-1 is not sent within the first time length, the first timer is started.
  • the stop condition of the first timer includes any one of the following:
  • the data packet starts to be sent. For example, part or all of PDCP SDU-1 is transmitted through a Physical Uplink Shared Channel (PUSCH).
  • PUSCH Physical Uplink Shared Channel
  • the data packet is sent successfully. For example, part or all of PDCP SDU-1 is successfully transmitted through PUSCH.
  • the above-mentioned data packet was successfully sent, including at least one of the following:
  • a PDCP status report indication is received, where the PDCP status report indication is used to indicate that the data packet is successfully received by the receiving end.
  • Radio Link Control Radio Link Control, RLC
  • RLC status report indication is used to indicate that the data packet is successfully received by the receiving end. For example, part or all of PDCP SDU-1 is sent through RLC PDU-1, and the RLC status report indicates that RLC PDU-1 is successfully received.
  • Hybrid Automatic Repeat reQuest (Hybrid Automatic Repeat reQuest, HARQ) feedback indication, where the HARQ feedback indication is used to indicate that the data packet is successfully received by the receiving end. For example, part or all of PDCP SDU-1 is sent through HARQ process 1, and the feedback information of HARQ process 1 indicates that PDCP SDU-1 is successfully received.
  • HARQ Hybrid Automatic Repeat reQuest
  • the number of data packets mentioned in condition one can be one or more; where, in the case of multiple data packets, the multiple data packets can be continuous, and the number N of multiple data packets can be agreed upon by the protocol or by the network Device Configuration.
  • the multiple data packets mentioned here continuously include at least one of the following: the number of the multiple data packets is continuous; the arrival time of the multiple data packets is continuous. Among them, multiple data packets can meet the requirement of continuous numbering and continuous arrival time.
  • condition one can be further limited to that the waiting time for sending multiple data packets exceeds the first threshold, where each data packet can correspond to a first timer, and multiple The number of data packets N can be agreed upon by the protocol or configured by the network equipment.
  • Condition 2 The receiving time length of the feedback packet corresponding to the sent data packet exceeds the second threshold.
  • the second condition may specifically be that the receiving time length of the feedback packet corresponding to one or more data packets exceeds the second threshold. For example, after the data of the PDCP SDU-1 of the DRB-1 is sent, the waiting time for the data sender to wait to receive the feedback confirmation message of the PDCP SDU-1 data exceeds the second threshold.
  • the above-mentioned second threshold value may be configured by the network side or agreed by a protocol.
  • the above-mentioned second threshold value may be independently determined by the network side or agreed upon by agreement.
  • the following step may be further included: starting a second timer (eg, feedbackTimer), the second timer is used to determine the duration of receiving the feedback packet, that is, determining the duration of receiving the feedback packet Whether it has timed out (whether it exceeds the second threshold).
  • a second timer eg, feedbackTimer
  • the second timer can be started at the moment when the data packet starts to be sent. For example, when PDCP SDU-1 starts to be sent through the PUSCH, the second timer corresponding to (the feedback packet of PDCP SDU-1) is started.
  • the second timer may also be started at the moment when part or all of the data packet is sent. For example, after part or all of the PDCP SDU-1 is sent through the PUSCH, the second timer corresponding to the PDCP SDU-1 (or its feedback packet) is started.
  • the embodiment 100 may further include the following step: when the feedback packet is received, the second timer is stopped. For example, a second timer is started after part or all of PDCP SDU-1 is transmitted through the PUSCH, and the second timer is stopped after receiving part or all of the received feedback information of PDCP SDU-1.
  • the number of data packets mentioned in condition two can be one or more; where, in the case of multiple data packets, the multiple data packets are continuous, and the number N of the multiple data packets can be agreed upon by the protocol or by the network device Configuration.
  • the multiple data packets mentioned here continuously include at least one of the following: the number of the multiple data packets is continuous; the arrival time of the multiple data packets is continuous. Among them, multiple data packets can meet the requirement of continuous numbering and continuous arrival time.
  • the second condition may be further limited to: the receiving time lengths of the multiple feedback packets corresponding to the multiple data packets sent respectively exceed the second threshold, wherein each data packet (Or feedback packet) may correspond to a second timer, and the number N of multiple data packets may be agreed upon by the protocol or configured by the network device.
  • the data packet to be sent is the first specific data packet; wherein, the first specific data packet is specified by a protocol agreement, network device configuration, or application service.
  • the third condition may specifically be the sending of one or more first specific data packets specified by the protocol or network configuration or application service.
  • the application service indicates that the transmission of PDCP SDU-1 of DRB-1 requires faster or more reliable transmission, and the terminal device adjusts the data transmission method when it wants to send PDCP SDU-1.
  • the first specific data packet mentioned in condition three includes at least one of the following:
  • PDCP control packet or PDCP data packet.
  • Specific application data For example, a specific PDCP SDU specified by the application layer.
  • a packet of a specific data stream or a packet of a specific bearer for example, a packet transmitted in DRB-1.
  • a packet of a specific sender For example, a package for a specific UE.
  • a package of a specific Media Access Control (MAC) entity For example, a packet of a MAC entity of a primary cell group (Master Cell Group, MCG) or a packet of a MAC entity of a secondary cell group (Secondary Cell Group, SCG).
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • serving cell-1 serving cell-1
  • Condition 4 The second specific data packet is sent after the sending mode was adjusted last time.
  • the fourth condition may specifically be that one or more second specific data packets are sent after the sending mode is changed. For example, after the waiting time for sending data of PDCP SDU-1 of DRB-1 exceeds the threshold configured by the network, the UE changes the sending mode of DRB-1 from mode 1 to mode 2. Then, after the PDCP SDU-1 of the DRB-1 is sent, the UE changes the data transmission mode of the DRB-1 from mode 2 back to mode 1.
  • the number of the "one or more second specific data packets" may be agreed upon by a protocol or configured by a network device.
  • the sending of the second specific data packet mentioned in the fourth condition includes: the second specific data packet starts to be sent; or the second specific data packet is successfully sent. It can be understood that the start of sending the second specific data packet is only considered to meet the trigger condition, and the sending method is usually not changed during the sending of the second specific data packet. Generally, different sending methods are for different scheduling resources. .
  • the successful transmission of the second specific data packet mentioned in condition four includes one of the following:
  • the type of the second specific data packet mentioned in Condition 4 includes at least one of the following:
  • the communication device changes the transmission mode 1 to the transmission mode 2 and then prepares to send the second specific data packet.
  • the condition is considered to be met, and the communication device changes the transmission mode 2 Return to the original sending mode, that is, change back to sending mode 1.
  • the number of second specific data packets mentioned in the fourth condition may be one or more; wherein, when there are multiple second specific data packets, the multiple second specific data packets are continuous.
  • the multiple second specific data packets mentioned here continuously include at least one of the following: the number of the multiple second specific data packets is continuous; the arrival time of the multiple second specific data packets is continuous. Wherein, a plurality of second specific data packets may satisfy that the serial number is continuous and the arrival time is continuous.
  • Condition five a connection failure occurs.
  • connection failure includes any of the following:
  • the wireless link fails. For example, the random access attempt reaches the threshold; the number of RLC data retransmissions reaches the threshold; the physical layer is out of synchronization.
  • the beam fails. For example, a beam failure occurs in beam 1 of the UE.
  • Radio Resource Control (RRC) reconfiguration failed.
  • RRC Radio Resource Control
  • SCG failed For example, adding SCG failed.
  • the uplink channel fails to be accessed continuously for P times.
  • P is an integer greater than 1, and P can be agreed upon by a protocol or configured by a network device.
  • Condition 6 The use time of the specific sending method reaches or exceeds the fourth threshold.
  • Condition 6 is specific. For example, after the UE changes the transmission mode of DRB-1 data transmission from transmission mode 1 to transmission mode 2, and the use time of transmission mode 2 reaches or exceeds the fourth threshold, the UE will change the DRB-1 data transmission mode. The transmission method of data transmission is changed from transmission method 2 back to transmission method 1.
  • the foregoing fourth threshold value may be configured by the network side or agreed upon by a protocol.
  • the foregoing fourth threshold value may be independently determined by the network side or agreed upon by agreement.
  • Condition seven receiving instruction information for instructing to adjust the sending mode.
  • Condition 7 specifically, for example, the network device instructs the terminal device to change the transmission mode.
  • the network side sends instructions to the UE to change the transmission mode of DRB-1 (or logical channel 1) from transmission mode 1 to transmission mode 2.
  • Condition eight There is no data to be sent for a period of time after the data waiting time of the data packet exceeds the fifth threshold.
  • the eighth condition is specific. For example, the data waiting time of one or more data packets exceeds the fifth threshold and no data is sent for a period of time. Specifically, for example, the data waiting time of DRB-1 PDCP SDU-1 exceeds the first After five thresholds, the UE starts the data transmission judgment timer. If the DRB-1 does not send any data during the running period of the data transmission judgment timer (that is, within a period of time), it is considered that the condition is satisfied.
  • the above-mentioned fifth threshold value and the period of time may be configured by the network side or agreed upon by a protocol.
  • the above-mentioned fifth threshold value and a period of time may be independently determined by the network side or agreed upon by agreement.
  • no data is sent for a period of time after the data waiting time of the data packet exceeds the fifth threshold value, including one of the following:
  • the third timer is started after the data waiting time for sending of the data packet exceeds the fifth threshold, and no data is sent during the running period of the third timer. For example, no data is sent for a specific data stream or bearer or sender or MAC entity.
  • the data transmission mentioned here includes the start of data transmission or the successful transmission of data. For details, please refer to Qianwen's introduction.
  • a fourth timer is started, and the fourth timer times out. If there is one or more data during the operation of the fourth timer The fourth timer is stopped when the packet is sent.
  • the number of the one or more data packets can be agreed upon by the protocol or configured by the network device.
  • the fourth timer if the fourth timer is running, this does not start a new fourth timer or restarts the running fourth timer. For example, if the waiting time of PDCP SDU-1 of DRB-1 exceeds the threshold, the UE starts the fourth timer of DRB-1. During the running of the fourth timer, if the PDCP SDU-2 of DRB-1 If the waiting time exceeds the threshold, the UE no longer starts an additional new fourth timer for DRB-1, or no longer restarts the fourth timer for DRB-1.
  • the number of data packets mentioned in Condition 8 can be one or more; where, in the case of multiple data packets, the multiple specific data packets are continuous, and the number N of multiple data packets can be agreed by the protocol or Network device configuration.
  • the multiple data packets mentioned here continuously include at least one of the following: the number of the multiple data packets is continuous; the arrival time of the multiple data packets is continuous. Among them, multiple data packets can meet the requirement of continuous numbering and continuous arrival time.
  • DRB-1 can also be replaced with: a specific bearer, such as SRB-1 or DRB2; or a specific data flow, such as QoS flow-1; or a specific session, For example, Protocol Data Unit (PDU) Session-1; or a specific cell, such as cell-1; or a specific cell group, such as MCG or SCG; or a specific MAC entity. Since the method is the same, the description will not be repeated here.
  • a specific bearer such as SRB-1 or DRB2
  • a specific data flow such as QoS flow-1
  • QoS flow-1 QoS flow-1
  • a specific session For example, Protocol Data Unit (PDU) Session-1; or a specific cell, such as cell-1; or a specific cell group, such as MCG or SCG; or a specific MAC entity. Since the method is the same, the description will not be repeated here.
  • PDU Protocol Data Unit
  • Method 1 Adjust the priority-related configuration of the logical channel for data transmission.
  • Method 1 For example, change the priority of logical channel-1 of DRB-1 from 5 to 1.
  • the priority of the logical channel of the DRB is increased to facilitate the timely transmission of data packets, to prevent the application of the receiving end device from entering an unavailable state, and to improve the effectiveness of communication.
  • Method 1 is another example, configuring logical channel-1 of DRB-1 allows all uplink grants to be used. This example facilitates the timely transmission of data packets, prevents the application of the receiving device from entering an unavailable state, and improves the effectiveness of communication.
  • the configuration information of the adjusted transmission mode of the "adjusted data transmission transmission mode" is configured by the network side or agreed upon by the protocol.
  • a network device provides two sets of logical channel priority-related configurations 1 and 2 for a dedicated radio bearer (DRB).
  • DRB dedicated radio bearer
  • the terminal device automatically adjusts the logical channel priority related configuration 1 to the logical channel priority related configuration 2, where the logical channel priority of the logical channel priority related configuration 2 can be higher than the logical channel priority related Configure the logical channel priority of 1.
  • the foregoing logical channel priority-related configuration includes at least one of the following:
  • Logical channel priority limit configuration information For example, allow the use of uplink authorizations with specific subcarrier intervals; allow the use of uplink authorizations with specific PUSCH durations; allow the use of configuration authorization type 1; allow the use of uplink authorizations for specific cells; allow the use of specified configuration authorizations in the configuration authorization list; allow use Uplink authorization corresponding to a specific physical priority.
  • Method 2 Adjust the transmission power related configuration of data transmission. For example, the initial value (ie, p0) of the power on the uplink number of the data PUSCH containing DRB-1 is increased.
  • the adjusting the transmission power-related configuration of data transmission includes: adjusting the transmission power-related configuration of the uplink transmission in a case where specific data is included in the uplink transmission.
  • the behavior of "adjusting transmission power related configuration" may be limited to only changing the transmission power related configuration of the uplink transmission containing the specific data. Specifically, for example, the uplink transmission power of the PUSCH is changed only when the data of DRB-1 is included in the PUSCH.
  • transmission power related configuration includes any combination of one or more of the following:
  • the method 2 can increase the transmission power as much as possible by adjusting the configuration related to the transmission power of data transmission, so as to improve the success rate of data packet transmission, prevent the application of the receiving end device from entering an unavailable state, and improve the effectiveness of communication.
  • Method 3 Assign or change an earlier sequence number for the third specific data packet. It can be understood that the earlier the sequence number is, the earlier the data packet is sent, so that the data packet can be sent in time, so as to prevent the application of the receiving end device from entering an unavailable state and improve the effectiveness of communication.
  • the method 3 allocates or changes an earlier sequence number for the third specific data packet, so that the third specific data packet is sent as soon as possible, avoiding the application of the receiving end device from entering an unavailable state, and improving the effectiveness of communication.
  • serial numbers 1, 2, 3, 1 is the serial number before 2, 3. If the serial number is reversed, such as 1, 2, 3, 1, then 3 is the serial number earlier or earlier than the second 1.
  • the change range of the serial number is agreed upon by the network device configuration or protocol. For example, the range of the PDCP SN number that can be changed in the network configuration is 2. If the waiting time for sending data of PDCP SDU-5 of DRB-1 exceeds the threshold, if the PDCP SN allocated before PDCP SDU-5 is 5, Then change the range of PDCP SDU-5 to [4,5] or [3,5].
  • the K timeout data packets are discarded, and K is an integer greater than or equal to 1, and the condition in this example is satisfied.
  • the waiting time for sending K consecutive data packets exceeds the first threshold.
  • the data sending method according to the embodiment of the present application is described in detail above with reference to FIG. 1.
  • the communication device according to the embodiment of the present application will be described in detail below with reference to FIG. 2.
  • Fig. 2 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • the communication device 200 includes: an adjustment module 202, which can be used to adjust the data transmission mode when the conditions are met; the transmission module 204, which is configured to perform data transmission according to the adjusted transmission mode.
  • the adjustment module 202 is configured to adjust the sending mode of data sending when at least one of the following is satisfied:
  • the waiting time of the data packet exceeds the first threshold
  • the receiving time length of the feedback packet corresponding to the sent data packet exceeds the second threshold
  • the data packet to be sent is the first specific data packet; wherein, the first specific data packet is specified by protocol agreement, network device configuration or application service;
  • the second specific data packet is sent after the sending mode was adjusted last time
  • the duration of use of the specific sending method reaches or exceeds the fourth threshold
  • No data is sent for a period of time after the data waiting time of the data packet exceeds the fifth threshold.
  • the adjustment module 202 is configured to perform at least one of the following when a condition is met:
  • the communication device adjusts the data transmission mode when the conditions are met, for example, adjusting the logical channel priority-related configuration of data transmission, adjusting the transmission power-related configuration of data transmission, and assigning or changing specific data packets.
  • Previously serial numbers, etc. not only improve the flexibility of data transmission, but also make it easier to ensure the data transmission of specific high-reliability applications as much as possible, avoid the problem of causing application service interruption, and improve the effectiveness of communication.
  • the satisfying condition includes: the waiting time of the data packet to be sent exceeds the first threshold.
  • the communication device 200 further includes a timer control module, which may be used to start a first timer, and the first timer is used to determine the waiting time for sending the data packet.
  • a timer control module which may be used to start a first timer, and the first timer is used to determine the waiting time for sending the data packet.
  • the timer control module starting the first timer includes:
  • the first timer is started.
  • the timer control module may also be used to stop the first timer when one of the following is satisfied:
  • the data packet starts to be sent
  • the data packet was successfully sent.
  • the successful sending of the data packet includes one of the following:
  • Radio link control RLC status report indication where the RLC status report indication is used to indicate that the data packet is successfully received by the receiving end
  • HARQ feedback indication is used to indicate that the data packet is successfully received by the receiving end.
  • the satisfying condition includes: the receiving time length of the feedback packet corresponding to the sent data packet exceeds a second threshold.
  • the communication device 200 further includes a timer control module, which may be used to start a second timer, and the second timer is used to determine the duration of receiving the feedback packet.
  • a timer control module which may be used to start a second timer, and the second timer is used to determine the duration of receiving the feedback packet.
  • the timer control module starting the second timer includes:
  • the second timer is started.
  • the timer control module may also be used to stop the second timer when the feedback packet is received.
  • the satisfying condition includes: the data packet to be sent is a first specific data packet; wherein the first specific data packet is specified by a protocol agreement, network device configuration, or application service.
  • the first specific data packet includes at least one of the following
  • the satisfying condition includes: the second specific data packet is sent after the sending mode is adjusted last time.
  • the sending of the second specific data packet includes:
  • the second specific data packet starts to be sent.
  • the second specific data packet is successfully sent.
  • the successful sending of the second specific data packet includes one of the following:
  • RLC status report indication where the RLC status report indication is used to indicate that the second specific data packet is successfully received by the receiving end
  • a HARQ feedback indication is received, where the HARQ feedback indication is used to indicate that the second specific data packet is successfully received by the receiving end.
  • the second specific data packet includes at least one of the following:
  • the data packet sent by the transmission mode that was changed the previous time is used.
  • the satisfying condition includes:
  • the occurrence of connection failure includes one of the following:
  • the SCG of the secondary cell group fails
  • the uplink channel fails to be accessed continuously P times, and P is an integer greater than 1.
  • the satisfying condition includes: the duration of use of the specific sending mode reaches or exceeds a fourth threshold.
  • the satisfying condition includes: receiving instruction information for instructing to adjust the sending mode.
  • the satisfying condition includes: no data is sent for a period of time after the data waiting time of the data packet exceeds the fifth threshold.
  • the data waiting time of the data packet to be sent without data for a period of time after the fifth threshold value is exceeded includes:
  • the third timer is started, and no data is sent during the operation of the third timer;
  • a fourth timer is started, and the fourth timer times out. If there is data to be sent during the running period of the fourth timer, the second timer is stopped. Four timers.
  • the communication device 200 further includes a timer control module, which can be used to if the fourth timer is running, no longer start the new fourth timer or restart the The fourth timer that is running.
  • a timer control module which can be used to if the fourth timer is running, no longer start the new fourth timer or restart the The fourth timer that is running.
  • the multiple data packets or multiple second specific data packets continuously include at least one of the following:
  • Serial numbers of the multiple data packets or multiple second specific data packets are Serial numbers of the multiple data packets or multiple second specific data packets
  • the arrival times of the plurality of the data packets or the plurality of the second specific data packets are continuous.
  • the adjustment module 202 adjusts the sending mode of data sending including at least one of the following:
  • the logical channel priority-related configuration includes at least one of the following:
  • the logical channel priority parameter The logical channel priority parameter.
  • the adjusting the transmission power-related configuration of data transmission includes: adjusting the transmission power-related configuration of the uplink transmission in a case where specific data is included in the uplink transmission.
  • the transmit power related configuration includes at least one of the following:
  • the change range of the serial number is agreed upon by the network device configuration or protocol.
  • the terminal device 200 can refer to the process of the method 100 corresponding to the embodiment of the present application, and each unit/module in the terminal device 200 and the other operations and/or functions mentioned above are used to implement the corresponding methods in the method 100.
  • Fig. 3 is a block diagram of a terminal device according to another embodiment of the present application.
  • the terminal device 300 shown in FIG. 3 includes: at least one processor 301, a memory 302, at least one network interface 304, and a user interface 303.
  • the various components in the terminal device 300 are coupled together through the bus system 305.
  • the bus system 305 is used to implement connection and communication between these components.
  • the bus system 305 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 305 in FIG. 3.
  • the user interface 303 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.
  • the memory 302 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 302 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 302 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: operating system 3021 and application programs 3022.
  • the operating system 3021 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 3022 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 3022.
  • the terminal device 300 further includes: instructions or programs that are stored in the memory 302 and can run on the processor 301.
  • the instructions or programs are executed by the processor 301 to implement the steps of the method embodiment 100 as follows.
  • the method disclosed in the foregoing embodiment of the present application may be applied to the processor 301 or implemented by the processor 301.
  • the processor 301 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by an integrated logic circuit of hardware in the processor 301 or instructions in the form of software.
  • the aforementioned processor 301 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field 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 can be located in a mature readable 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 readable storage medium is located in the memory 302, and the processor 301 reads information in the memory 302, and completes the steps of the foregoing method in combination with its hardware. Specifically, instructions or programs are stored on the readable storage medium, and when the instructions or programs are executed by the processor 301, the steps in the above-mentioned method embodiment 100 are 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 300 can implement the various processes implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described herein again.
  • FIG. 4 is a structural diagram of a network device applied in an embodiment of the present application, which can implement the details of the method embodiment 100 and achieve the same effect.
  • the network device 400 includes: a processor 401, a transceiver 402, a memory 403, and a bus interface, where:
  • the network device 400 further includes: instructions or programs that are stored in the memory 403 and can run on the processor 401, and the instructions or programs are executed by the processor 401 to implement the steps of the method embodiment 100.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 401 and various circuits of the memory represented by the memory 403 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 provides the interface.
  • the transceiver 402 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the processor 401 is responsible for managing the bus architecture and general processing, and the memory 403 can store data used by the processor 401 when performing operations.
  • 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 foregoing method embodiment 100 is realized, and the same can be achieved.
  • the technical effect, in order to avoid repetition, will not be repeated here.
  • the processor is the processor in the electronic 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.
  • An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement each of the above method embodiment 100
  • the process and can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
  • 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 can 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 can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente demande divulguent un procédé et un dispositif d'envoi de données, qui résolvent le problème dans l'état de la technique d'incapacité à garantir dans la plus grande mesure l'envoi de données spécifiques et hautement fiables d'une application, ce qui favorise les interruptions d'un service applicatif. Le procédé est mis en œuvre par un dispositif de communication, et consiste : à régler un moyen d'envoi de données quand une condition est satisfaite.
PCT/CN2021/095020 2020-05-22 2021-05-21 Procédé et dispositif d'envoi de données WO2021233405A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115604759A (zh) * 2022-12-13 2023-01-13 杭州优智联科技有限公司（Cn） 基于uwb数据传输的调度方法、装置、系统及介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101193054A (zh) * 2006-11-28 2008-06-04 华为技术有限公司 一种发送数据的方法和系统以及节点设备和协调设备
CN104821865A (zh) * 2007-10-01 2015-08-05 交互数字专利控股公司 用于pdcp丢弃的方法和装置
CN105847178A (zh) * 2016-03-21 2016-08-10 珠海迈科智能科技股份有限公司 一种应用程序的网络数据请求方法及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101193054A (zh) * 2006-11-28 2008-06-04 华为技术有限公司 一种发送数据的方法和系统以及节点设备和协调设备
CN104821865A (zh) * 2007-10-01 2015-08-05 交互数字专利控股公司 用于pdcp丢弃的方法和装置
CN105847178A (zh) * 2016-03-21 2016-08-10 珠海迈科智能科技股份有限公司 一种应用程序的网络数据请求方法及系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115604759A (zh) * 2022-12-13 2023-01-13 杭州优智联科技有限公司（Cn） 基于uwb数据传输的调度方法、装置、系统及介质

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