WO2022028267A1 - Procédé et appareil d'indication d'une transmission de données - Google Patents

Procédé et appareil d'indication d'une transmission de données Download PDF

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Publication number
WO2022028267A1
WO2022028267A1 PCT/CN2021/108475 CN2021108475W WO2022028267A1 WO 2022028267 A1 WO2022028267 A1 WO 2022028267A1 CN 2021108475 W CN2021108475 W CN 2021108475W WO 2022028267 A1 WO2022028267 A1 WO 2022028267A1
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WIPO (PCT)
Prior art keywords
data
resource
terminal
information
transmitted
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PCT/CN2021/108475
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English (en)
Chinese (zh)
Inventor
张梦晨
薛祎凡
徐海博
Original Assignee
华为技术有限公司
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Priority claimed from CN202010828587.0A external-priority patent/CN114071509A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2022028267A1 publication Critical patent/WO2022028267A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a method, an apparatus, and a system for indicating data transmission.
  • the radio resource control (Radio Resource Control, RRC)-connection (The terminal in the CONNECTED) state can send uplink data to the network device. Therefore, if the terminal is currently in the RRC-inactive (RRC_INACTIVE) state or the terminal is currently in the RRC-idle (RRC_IDLE) state, in order to send uplink data to the network device, the terminal can enter the RRC_CONNECTED state from the RRC_INACTIVE state or the RRC_IDLE state, and then send the The network device sends uplink data.
  • RRC_INACTIVE RRC-inactive
  • RRC_IDLE RRC-idle
  • the size of the data packet that the terminal in the RRC_INACTIVE state or the RRC_IDLE state needs to transmit is smaller than the preset threshold (this application may be called: small packet data, small data), and the terminal needs to enter the RRC_CONNECTED state. Signaling is even larger than small data, resulting in unnecessary power consumption and signaling overhead. Therefore, in order to help the terminal save power consumption and signaling overhead, it can support the terminal to perform small data transmission when it does not enter the RRC_CONNECTED state.
  • the terminal may send small packets of data to the network device through message 3 in the four-step random access process or message A in the two-step random access process, or using preconfigured uplink resources configured by the network device for the terminal.
  • the terminal may still be subsequent small data transmission requirements.
  • the current prior art does not involve how the terminal determines the transmission mode for transmitting the subsequent small data.
  • the embodiments of the present application provide a method and an apparatus for indicating data transmission, so as to improve the quality of the data to be transmitted subsequently transmitted by the terminal by indicating the transmission mode and transmission resources of the data to be transmitted to the terminal.
  • an embodiment of the present application provides a method for indicating data transmission, which is applied to a terminal.
  • the method includes: the terminal sends a first small packet of data and a first message to a network device, where the first message is used to indicate that the terminal exists subsequently data to be transmitted.
  • the terminal receives the first information and/or the second information from the network device.
  • the first information is used to indicate the transmission mode of the data to be transmitted, and the second information is used to indicate the transmission resource of the data to be transmitted.
  • the terminal sends the data to be transmitted to the network device according to the transmission mode and/or transmission resources.
  • the embodiment of the present application provides a method for indicating data transmission. Because in the prior art, if the network device does not indicate the transmission mode of the subsequent data to be transmitted to the terminal, there may be a possibility that the terminal does not know the subsequent transmission mode and preferentially uses preconfigured resources In the case of transmitting data to be transmitted, but if the preconfigured resource is unavailable, if the terminal does not know that the preconfigured resource is unavailable, and blindly uses it to transmit data, it may cause data transmission failure.
  • the terminal sends the first small packet of data to the network device, and the network device determines according to the first message that the terminal has subsequent data to be transmitted, then the network device sends one or more of the first information and the second information to the terminal, so that The terminal may determine the transmission mode and/or transmission resource of the data to be transmitted subsequently sent to the network device.
  • the terminal adopts the transmission mode and/or transmission resources indicated by the network device to avoid data transmission failure caused by the terminal blindly using preconfigured resources to transmit data to be transmitted, thereby ensuring the reliability of subsequent data transmission and improving the data transmission of the terminal. quality.
  • the terminal transmits the data to be transmitted to the network device through the transmission mode and/or transmission resource indicated by the network device, so that the network device can determine the location where the data to be transmitted is received.
  • the data to be transmitted is the second packet data
  • the first packet data and the second packet data are data divided by the first data
  • the data to be transmitted is the second data
  • the second data and the first packet data are data divided from the first data
  • the first small packet of data and the data to be transmitted come from different data packets.
  • the terminal receiving the first information and/or the second information from the network device includes: the terminal receiving the first information and the second information from the network device.
  • the first information is used to indicate that the data to be transmitted is transmitted by the dynamic scheduling method
  • the second information is used to indicate the transmission resources allocated for the dynamic scheduling method. It is convenient for the terminal to transmit the data to be transmitted according to the dynamic scheduling method.
  • the terminal receiving the first information and/or the second information from the network device includes: receiving first information from the network device, where the first information is used to indicate the transmission mode of the data to be transmitted, The first information is also used to indicate the transmission resource of the data to be transmitted.
  • the purpose of using one piece of information to indicate both the dynamic scheduling mode and the transmission resources of the data to be transmitted can be achieved.
  • the method provided by the embodiment of the present application further includes: starting the first timer when the terminal receives the first information. During the running process of the first timer, stop using the first preconfigured resource to transmit the data to be transmitted.
  • the first preconfigured resource is a shared resource, or the first preconfigured resource is a non-shared resource. By starting the first timer, the terminal can be prevented from transmitting data to be transmitted in the first preconfigured resource.
  • the first information is used to indicate a transmission mode of the data to be transmitted, and the first information is also used to indicate a transmission resource of the data to be transmitted, including: the first information is information in a first format, the first Format is used to indicate how the data to be transmitted is transmitted.
  • the information in the first format carries a first field, where the first field is used to indicate the transmission resource of the data to be transmitted.
  • the method provided by the embodiment of the present application further includes: the terminal receives the first configuration information and/or the second configuration information sent by the network device.
  • the first configuration information is used to configure the first preconfigured resource.
  • the second configuration information is used to indicate the timing duration of the first timer.
  • the method provided by the embodiment of the present application further includes: the terminal receives third configuration information from the network device that is used to indicate the timing duration for updating the first timer, and the third configuration information is carried in the wireless resource Control RRC release message.
  • the terminal can be made to determine to resume the use of the first preconfigured resource subsequently.
  • the first information indicates that the data to be transmitted is transmitted by initiating a random access process
  • the terminal sends the data to be transmitted to the network device according to the transmission method, including: the terminal broadcasts the data to be transmitted through the network device during the random access process.
  • the random access resource sends data to be transmitted to the network device.
  • the first information is used to indicate a transmission resource
  • the transmission resource is not a preconfigured resource of the terminal.
  • the terminal sends the data to be transmitted to the network device according to the transmission resource, including: in the random access process, the transmission resource Send data to be transmitted to the network device.
  • the terminal can be implicitly instructed to use the random access procedure to send the data to be transmitted.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to instruct the resource for sending the random access preamble and the resource for sending the data to be transmitted.
  • the transmission mode and transmission resource sending the data to be transmitted to the network device includes: in the random access process, sending the random access preamble through the resource for sending the random access preamble indicated by the second information, and sending the to-be-transmitted data indicated by the second information
  • the data resource sends the data to be transmitted to the network device.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to indicate the resource for sending the data to be transmitted
  • the terminal sends the data to the network device according to the transmission method and transmission resources
  • Sending the data to be transmitted includes: during the random access process, the terminal sends the random access preamble through the random access resource broadcast by the network device, and sends the data to be transmitted to the network device through the resource for sending the data to be transmitted indicated by the second information.
  • the transmission mode indicated by the first information is to transmit data to be transmitted by means of pre-configured resources
  • the second information is used by the terminal to determine the target pre-configured resource in one or more sets of pre-configured resources of the terminal.
  • the preconfigured resources are periodic resources.
  • the second information indicates information of the target preconfigured resource. This enables the terminal to explicitly transmit the target preconfigured resource of the data to be transmitted.
  • the second information includes at least one bit associated with each set of preconfigured resources in one or more sets of preconfigured resources of the terminal, and at least one bit associated with any set of preconfigured resources is used to indicate Whether any set of preconfigured resources is available.
  • a bit sequence may be employed to enable the terminal to determine which preconfigured resources are available and which are unavailable.
  • the second information indicates information of unavailable preconfigured resources in one or more sets of preconfigured resources of the terminal. This enables the terminal to determine the information of the available pre-configured resources according to the information of the unavailable pre-configured resources in one or more sets of pre-configured resources. Then, the target preconfigured resource is determined according to the information of the available preconfigured resources.
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is determined by the time and offset value at which the terminal receives the feedback information from the network device, and the feedback information is used for Indicates that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • the first information is carried in a second message
  • the second message includes a second field and a third field
  • the second field is used to indicate the first information
  • the third field is used to indicate that the transmission mode is The type of random access procedure through the random access procedure.
  • the first information is carried in a second message
  • the second message includes a second field
  • the second field is used to indicate the transmission mode and the random access process when the transmission mode is random access type.
  • the message carrying the first information is an RRC message, or downlink control information DCI or a medium access control unit MAC CE
  • the message carrying the second information is an RRC message, or DCI or MAC CE.
  • sending the first small packet of data and the first message by the terminal to the network device includes: in the RRC-disconnected state, the terminal sends the first small packet of data and the first message to the network device.
  • an embodiment of the present application provides a data transmission method, including: a network device receiving a first small packet of data and a first message from a terminal.
  • the first message is used to indicate that the terminal has data to be transmitted subsequently.
  • the network device sends the first information and/or the second information to the terminal, where the first information is used to indicate the transmission mode of the data to be transmitted.
  • the second information is used to indicate a transmission resource for transmitting data to be transmitted.
  • the network device receives the to-be-transmitted data transmitted by the terminal using the transmission mode and/or on the transmission resource.
  • the data to be transmitted is the second packet data
  • the first packet data and the second packet data are data divided by the first data
  • the data to be transmitted is the second data
  • the second data and the first packet data are data divided from the first data
  • the first small packet of data and the data to be transmitted come from different data packets.
  • the network device sending the first information and/or the second information to the terminal includes: the network device sending the first information and the second information to the terminal.
  • the first information is used to indicate that the data to be transmitted is transmitted by the dynamic scheduling method
  • the second information is used to indicate the transmission resources allocated for the dynamic scheduling method.
  • sending the first information and/or the second information to the terminal by the network device includes: sending the first information to the terminal by the network device, where the first information is used to indicate the transmission mode of the data to be transmitted, and the first information is sent to the terminal.
  • a piece of information is also used to indicate the transmission resource of the data to be transmitted.
  • the first information includes a first information element and a second information element, where the first information element is used to indicate a transmission mode of the data to be transmitted.
  • the second information element is used to indicate the transmission resource of the data to be transmitted.
  • the first information is used to indicate a transmission mode of the data to be transmitted, and the first information is also used to indicate a transmission resource of the data to be transmitted, including: the first information is information in a first format, the first Format is used to indicate how the data to be transmitted is transmitted.
  • the information in the first format carries a first field, and the first field is used to indicate the transmission resource of the data to be transmitted.
  • the method provided by the embodiment of the present application further includes: the network device sends the first configuration information and/or the second configuration information to the terminal.
  • the first configuration information is used to configure the first preconfigured resource.
  • the second configuration information is used to indicate the timing duration of the first timer.
  • the method provided by this embodiment of the present application further includes: the network device sends third configuration information to the terminal, where the third configuration information is used to indicate the timing for updating the first timer, and the third configuration information carries In the radio resource control RRC release message.
  • the sending of the first information and/or the second information by the network device to the terminal includes: the network device sends first information to the terminal, where the first information is used to indicate that the transmission to be transmitted by initiating a random access procedure is transfer data.
  • the first information is used to indicate transmission resources, and the transmission resources are not preconfigured resources of the terminal.
  • the network device sending the first information and/or the second information to the terminal includes: the network device sending the first information and the second information to the terminal.
  • sending the first information and/or the second information by the network device to the terminal includes: the network device sending the second information to the terminal.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to instruct the resources to send the random access preamble and the resources to send the data to be transmitted
  • the second information is used to instruct the transmission to be transmitted A resource for transferring data.
  • the terminal does not have preconfigured resources capable of transmitting the data to be transmitted.
  • the terminal has preconfigured resources capable of transmitting data to be transmitted, and the network device sends the first information and/or the second information to the terminal, including: the network device sends the first information and the second information to the terminal .
  • the network device sending the first information and/or the second information to the terminal includes: the network device sending the second information to the terminal.
  • the transmission mode indicated by the first information is to transmit data to be transmitted by means of pre-configured resources, and the second information is used by the terminal to determine that the target pre-configured resources in one or more sets of pre-configured resources of the terminal are used as transmission resources, and the pre-configured resources is a periodic resource.
  • the second information indicates information of the target preconfigured resource.
  • the second information includes at least one bit associated with each set of preconfigured resources in one or more sets of preconfigured resources of the terminal, and at least one bit associated with any set of preconfigured resources is used to indicate whether the preconfigured resources are available.
  • the second information indicates information of unavailable preconfigured resources in one or more sets of preconfigured resources of the terminal.
  • the first information is carried in a second message, the second message includes a second field and a third field, the second field is used to indicate the first information, and the third field is used to indicate that the transmission mode is The type of random access procedure through the random access procedure.
  • the first information is carried in a second message, the second message includes a second field, the second field is used to indicate the transmission mode, and the second field is also used to indicate the type of random access procedure when the transmission mode is random access .
  • the message carrying the first information is an RRC message, or DCI or MAC CE
  • the message carrying the second information is an RRC message, or DCI or MAC CE.
  • the terminal is in a radio resource control RRC-disconnected state.
  • an embodiment of the present application provides a data transmission method, including: in a radio resource control RRC-disconnected state, a terminal sends a first small packet of data to a network device. Wherein, the terminal subsequently has data to be transmitted. The terminal determines a target preconfigured resource from one or more sets of preconfigured resources of the terminal according to the resource corresponding to the first packet data. The terminal sends the data to be transmitted to the network device on the target preconfigured resource.
  • the data to be transmitted is the second small packet data, and the first small packet data and the second small packet data are data divided from the first data.
  • the data to be transmitted is the second data, and the second data and the first packet data are data divided from the first data.
  • the first small packet of data and the data to be transmitted come from different data packets.
  • the resource corresponding to the first small packet of data is the random access preamble or the resource for sending the random access preamble
  • the random access preamble is the random access preamble used in the random access process of sending the first small packet of data Enter the leading.
  • the terminal determines the target preconfigured resource from one or more sets of preconfigured resources of the terminal according to the resource corresponding to the first packet data, including: the terminal determines an association relationship, and the association relationship at least includes: a random access preamble and one or more sets of The association relationship between the first preconfigured resources in the preconfigured resources, or the association relationship between the resource for sending the random access preamble and the first preconfigured resource.
  • the terminal determines the first preconfigured resource as the target preconfigured resource according to the random access preamble or the resource for sending the random access preamble, and the association relationship.
  • the terminal determining the association relationship includes: the terminal pre-stores the association relationship. Or, the terminal receives the first message from the network device, where the first message includes the association relationship.
  • the association relationship is determined by the index of the random access preamble and the number of one or more sets of preconfigured resources.
  • the resource corresponding to the first small packet of data is the time-frequency resource used for sending the message of the first small packet of data in the random access process.
  • Determining the target pre-configured resource in the set or multiple sets of pre-configured resources includes: the terminal determines the pre-configured resource that has the same time-frequency position as the time-frequency resource in the one or more sets of pre-configured resources as the target pre-configured resource; or, the terminal A preconfigured resource having the same index as the time-frequency resource in one or more sets of preconfigured resources is determined as the target preconfigured resource.
  • the resource corresponding to the first small packet data is a first preconfigured resource for transmitting the first small packet data
  • the first preconfigured resource is a periodic resource
  • the terminal according to the resource corresponding to the first small packet data, from Determining the target preconfigured resource from one or more sets of preconfigured resources of the terminal includes: the terminal determining the first preconfigured resource after the first preconfigured resource for transmitting the first small packet data and after at least one cycle as the target preconfigured resource resource, and the period is the period of the first preconfigured resource.
  • the resource corresponding to the first small packet of data is the first preconfigured resource for transmitting the first small packet of data
  • the terminal selects one or more sets of preconfigured resources from the terminal according to the resource corresponding to the first small packet of data
  • Determining the target preconfigured resource in the process includes: the terminal determines the second preconfigured resource from one or more sets of preconfigured resources as the target preconfigured resource, and the first preconfigured resource and the second preconfigured resource are different sets of preconfigured resources .
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is determined by the time and offset value at which the terminal receives the feedback information from the network device, and the feedback information is used for Indicates that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • an embodiment of the present application provides a communication method.
  • the method includes: a network device sends a broadcast message, and the broadcast message includes an association relationship.
  • the association relationship includes at least the relationship between the random access preamble and the first preconfigured resource.
  • the association relationship includes at least the relationship between the resource for sending the random access preamble and the first preconfigured resource.
  • the random access preamble is a random access preamble used by the terminal in the random access process of sending the first small packet of data.
  • an embodiment of the present application provides a communication device.
  • the communication device can implement the first aspect or the method in any possible implementation manner of the first aspect, and thus can also implement the first aspect or any possible implementation manner of the first aspect.
  • Beneficial effects in implementation may be a terminal, or may be a device that supports the terminal to implement the method in the first aspect or any possible implementation manner of the first aspect, for example, a chip applied to the terminal.
  • the communication device may implement the above method through software, hardware, or through hardware executing corresponding software.
  • the communication device is a terminal or a chip or a chip system applied in the terminal, the communication device includes: a communication unit, and a processing unit, wherein the communication unit is used for receiving or sending information/data.
  • Processing unit for processing information/data.
  • the communication unit is used to send the first small packet of data and a first message to the network device, where the first message is used to indicate that the terminal has data to be transmitted subsequently, and is used to receive the first information and/or the second message from the network device.
  • the first information is used to indicate the transmission mode of the data to be transmitted, and the second information is used to indicate the transmission resource of the data to be transmitted.
  • the processing unit is configured to send the data to be transmitted to the network device through the communication unit according to the transmission mode and/or transmission resource.
  • the data to be transmitted is the second packet data
  • the first packet data and the second packet data are data divided by the first data
  • the data to be transmitted is the second data
  • the second data and the first packet data are data divided from the first data
  • the first small packet of data and the data to be transmitted come from different data packets.
  • the communication unit configured to receive the first information and/or the second information from the network device, includes: a communication unit, configured to receive the first information and the second information from the network device.
  • the first information is used to indicate that the data to be transmitted is transmitted by the dynamic scheduling method
  • the second information is used to indicate the transmission resources allocated for the dynamic scheduling method. It is convenient for the terminal to transmit the data to be transmitted according to the dynamic scheduling method.
  • the communication unit configured to receive the first information and/or the second information from the network device, includes: a communication unit, configured to receive the first information from the network device, the first information using In order to indicate the transmission mode of the data to be transmitted, the first information is also used to indicate the transmission resource of the data to be transmitted.
  • the communication unit is further configured to start the first timer when the first information is received.
  • the processing unit is further configured to stop using the first preconfigured resource to transmit the data to be transmitted.
  • the first preconfigured resource is a shared resource, or the first preconfigured resource is a non-shared resource.
  • the first information is used to indicate a transmission mode of the data to be transmitted, and the first information is also used to indicate a transmission resource of the data to be transmitted, including: the first information is information in a first format, the first Format is used to indicate how the data to be transmitted is transmitted.
  • the information in the first format carries a first field, where the first field is used to indicate the transmission resource of the data to be transmitted.
  • the communication unit is further configured to receive the first configuration information and/or the second configuration information sent by the network device.
  • the first configuration information is used to configure the first preconfigured resource.
  • the second configuration information is used to indicate the timing duration of the first timer.
  • the communication unit is further configured to receive third configuration information from the network device for indicating the timing duration for updating the first timer, where the third configuration information is carried in the radio resource control RRC release message .
  • the terminal can be made to determine to resume the use of the first preconfigured resource subsequently.
  • the first information indicates that the data to be transmitted is transmitted by initiating a random access process
  • the processing unit is configured to use the random access resource broadcast by the communication unit on the network device to transmit the data to the network device during the random access process. Send the data to be transmitted.
  • the first information is used to indicate a transmission resource, and the transmission resource is not a preconfigured resource of the terminal, and the processing unit is configured to send the transmission resource to the network device through the communication unit during the random access process. transfer data.
  • the terminal can be implicitly instructed to use the random access procedure to send the data to be transmitted.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to indicate the resources for sending the random access preamble and the resources for sending the data to be transmitted
  • the processing unit is used to send the random access preamble on the resource indicated by the second information to send the random access preamble during the random access process
  • use the communication unit to send the data to be transmitted on the resource indicated by the second information to the network
  • the device sends the data to be transmitted.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to indicate a resource for sending the data to be transmitted
  • the processing unit is used to transmit the data to be transmitted during the random access procedure.
  • the random access preamble is sent by using the random access resource broadcast by the communication unit on the network device, and the data to be transmitted is sent to the network device by using the resource for sending the data to be transmitted indicated by the communication unit in the second information.
  • the transmission mode indicated by the first information is to transmit data to be transmitted by means of pre-configured resources
  • the second information is used by the terminal to determine the target pre-configured resource in one or more sets of pre-configured resources of the terminal.
  • the preconfigured resources are periodic resources.
  • the second information indicates information of the target preconfigured resource. This enables the terminal to explicitly transmit the target preconfigured resource of the data to be transmitted.
  • the second information includes at least one bit associated with each set of preconfigured resources in one or more sets of preconfigured resources of the terminal, and at least one bit associated with any set of preconfigured resources is used to indicate Whether any set of preconfigured resources is available.
  • a bit sequence may be employed to enable the terminal to determine which preconfigured resources are available and which are unavailable.
  • the second information indicates information of unavailable preconfigured resources in one or more sets of preconfigured resources of the terminal. This enables the terminal to determine the information of the available pre-configured resources according to the information of the unavailable pre-configured resources in one or more sets of pre-configured resources. Then, the target preconfigured resource is determined according to the information of the available preconfigured resources.
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is determined by the time and offset value at which the terminal receives the feedback information from the network device, and the feedback information is used for Indicates that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • the first information is carried in a second message
  • the second message includes a second field and a third field
  • the second field is used to indicate the first information
  • the third field is used to indicate that the transmission mode is The type of random access procedure through the random access procedure.
  • the first information is carried in a second message
  • the second message includes a second field
  • the second field is used to indicate the transmission mode and the random access process when the transmission mode is random access type.
  • the message carrying the first information is an RRC message, or downlink control information DCI or a medium access control unit MAC CE
  • the message carrying the second information is an RRC message, or DCI or MAC CE.
  • sending the first small packet of data and the first message by the terminal to the network device includes: in the RRC-disconnected state, the terminal sends the first small packet of data and the first message to the network device.
  • the processing unit may be a processor, and the communication unit may be a communication interface.
  • the communication interface may be an input/output interface, a pin or a circuit, or the like.
  • the processing unit executes the instructions stored in the storage unit, so that the terminal implements a method for instructing data transmission described in the first aspect or any possible implementation manner of the first aspect.
  • the storage unit may be a storage unit in the chip (eg, a register, a cache, etc.), or a storage unit in the terminal (eg, a read-only memory, a random access memory, etc.) located outside the chip.
  • an embodiment of the present application provides a communication device, which can implement the method in the second aspect or any possible implementation manner of the second aspect, and thus can also implement the second aspect or any possible implementation manner of the second aspect.
  • the communication apparatus may be a network device, or may be a device that supports the network device to implement the method in the second aspect or any possible implementation manner of the second aspect, such as a chip applied to the network device.
  • the communication device may implement the above method through software, hardware, or through hardware executing corresponding software.
  • an embodiment of the present application provides a communication device, where the communication device is a terminal or a chip or a chip system applied in the terminal, the communication device includes: a communication unit and a processing unit, wherein the communication unit is used for for receiving or sending information/data. Processing unit for processing information/data.
  • the communication unit is used for receiving the first packet data and the first message from the terminal.
  • the first message is used to indicate that the terminal has data to be transmitted subsequently.
  • the communication unit is further configured to send the first information and/or the second information to the terminal, wherein the first information is used to indicate the transmission mode of the data to be transmitted.
  • the second information is used to indicate a transmission resource for transmitting data to be transmitted.
  • the communication unit is further configured to receive the to-be-transmitted data transmitted by the terminal using the transmission mode and/or on the transmission resource.
  • the data to be transmitted is the second small packet data
  • the first small packet data and the second small packet data are data divided by the first data
  • the data to be transmitted is the second data
  • the second data and the first packet data are data divided from the first data
  • the first small packet of data and the data to be transmitted come from different data packets.
  • the communication unit is further configured to send the first information and/or the second information to the terminal, including: the communication unit is further configured to send the first information and the second information to the terminal.
  • the first information is used to indicate that the data to be transmitted is transmitted by the dynamic scheduling method
  • the second information is used to indicate the transmission resources allocated for the dynamic scheduling method.
  • the communication unit is further configured to send the first information and/or the second information to the terminal, including: the communication unit is further configured to send first information to the terminal, where the first information is used to indicate The transmission mode of the data to be transmitted, and the first information is also used to indicate the transmission resource of the data to be transmitted.
  • the first information includes a first information element and a second information element, where the first information element is used to indicate a transmission mode of the data to be transmitted.
  • the second information element is used to indicate the transmission resource of the data to be transmitted.
  • the first information is used to indicate a transmission mode of the data to be transmitted, and the first information is also used to indicate a transmission resource of the data to be transmitted, including: the first information is information in a first format, the first The format is used to indicate the transmission mode of the data to be transmitted; the information of the first format carries a first field, and the first field is used to indicate the transmission resource of the data to be transmitted.
  • the communication unit is further configured to send the first configuration information and/or the second configuration information to the terminal, where the first configuration information is used to configure the first preconfigured resource.
  • the second configuration information is used to indicate the timing duration of the first timer.
  • the communication unit is further configured to send third configuration information to the terminal, where the third configuration information is used to indicate the timing for updating the first timer, and the third configuration information is carried in the RRC release of the radio resource control. in the message.
  • the communication unit is further configured to send the first information and/or the second information to the terminal, including: the communication unit is further configured to send the first information to the terminal.
  • the first information is used to indicate that the data to be transmitted is transmitted by initiating a random access procedure.
  • the first information is used to indicate transmission resources, and the transmission resources are not preconfigured resources of the terminal.
  • the communication unit is further configured to send the first information and/or the second information to the terminal, including: the communication unit is further configured to send the first information and the second information to the terminal.
  • the communication unit is further configured to send the second information to the terminal.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to instruct the resources to send the random access preamble and the resources to send the data to be transmitted
  • the second information is used to instruct the transmission to be transmitted A resource for transferring data.
  • the terminal does not have preconfigured resources capable of transmitting the data to be transmitted.
  • the terminal has preconfigured resources capable of transmitting data to be transmitted, the transmission mode indicated by the first information is to transmit the data to be transmitted by means of preconfigured resources, and the second information is used by the terminal to determine a
  • the target preconfigured resources in the set or sets of preconfigured resources are used as transmission resources, and the preconfigured resources are periodic resources.
  • the second information indicates information of target preconfigured resources; or, the second information includes at least one bit associated with each set of preconfigured resources in one or more sets of preconfigured resources of the terminal, any At least one bit associated with a set of preconfigured resources is used to indicate whether the preconfigured resources are available; or, the second information indicates information of unavailable preconfigured resources in one or more sets of preconfigured resources of the terminal.
  • the first information is carried in a second message, the second message includes a second field and a third field, the second field is used to indicate the first information, and the third field is used to indicate that the transmission mode is The type of random access procedure through the random access procedure.
  • the first information is carried in a second message, the second message includes a second field, the second field is used to indicate the transmission mode, and the second field is also used to indicate the type of random access procedure when the transmission mode is random access .
  • the message carrying the first information is an RRC message, or DCI or MAC CE
  • the message carrying the second information is an RRC message, or DCI or MAC CE.
  • the terminal is in a radio resource control RRC-disconnected state.
  • the processing unit may be a processor, and the communication unit may be a communication interface.
  • the communication interface may be an input/output interface, a pin or a circuit, or the like.
  • the processing unit executes the instructions stored in the storage unit, so that the network device implements the method for instructing data transmission described in the second aspect or any possible implementation manner of the second aspect.
  • the storage unit may be a storage unit (eg, a register, a cache, etc.) in the chip, or a storage unit (eg, a read-only memory, a random access memory, etc.) located outside the chip in the network device.
  • an embodiment of the present application provides a communication device, which can implement the third aspect or the method in any possible implementation manner of the third aspect, and thus can also implement the third aspect or any possible implementation manner of the third aspect.
  • the communication device may be a terminal, or may be a device that supports the terminal to implement the method in the third aspect or any possible implementation manner of the third aspect, for example, a chip applied to the terminal.
  • the communication device may implement the above method through software, hardware, or through hardware executing corresponding software.
  • an embodiment of the present application provides a communication device, where the communication device is a terminal or a chip or a chip system applied in the terminal, the communication device includes: a communication unit and a processing unit, wherein the communication unit is used for receiving or sending information/data. Processing unit for processing information/data.
  • the communication unit is configured to send the first small packet of data to the network device.
  • the terminal subsequently has data to be transmitted.
  • the processing unit is configured to determine the target preconfigured resource from one or more sets of preconfigured resources of the terminal according to the resource corresponding to the first packet data.
  • the communication unit is configured to send the data to be transmitted to the network device on the target preconfigured resource.
  • the data to be transmitted is the second small packet data, and the first small packet data and the second small packet data are data divided from the first data.
  • the data to be transmitted is the second data, and the second data and the first packet data are data divided from the first data.
  • the first small packet of data and the to-be-transmitted data come from different data packets.
  • the resource corresponding to the first small packet of data is the random access preamble or the resource for sending the random access preamble
  • the random access preamble is the random access preamble used in the random access process of sending the first small packet of data Enter the leading.
  • a processing unit configured to determine an association relationship, and the association relationship includes at least: the association relationship between the random access preamble and the first preconfigured resource in one or more sets of preconfigured resources, or, the resource for sending the random access preamble and the first preconfigured resource.
  • the processing unit is configured to determine the first preconfigured resource as the target preconfigured resource according to the random access preamble or the resource for sending the random access preamble and the association relationship.
  • the processing unit for determining the association relationship, includes: the terminal pre-stores the association relationship. Or, the terminal receives the first message from the network device, where the first message includes the association relationship.
  • the association relationship is determined by the index of the random access preamble and the number of one or more sets of preconfigured resources.
  • the processing unit is configured to determine the association relationship according to the index of the random access preamble and the quantity of one or more sets of preconfigured resources.
  • the resource corresponding to the first small packet of data is the time-frequency resource used for sending the message of the first small packet of data in the random access process
  • the processing unit is configured to convert one or more sets of preconfigured resources
  • the pre-configured resource that has the same time-frequency position as the time-frequency resource is determined as the target pre-configured resource; or, the processing unit is configured to determine the pre-configured resource that has the same index as the time-frequency resource in one or more sets of pre-configured resources Provision resources for the target.
  • the resource corresponding to the first small packet data is a first preconfigured resource for transmitting the first small packet data
  • the first preconfigured resource is a periodic resource
  • the processing unit is configured to automatically transmit the first small packet
  • the first preconfigured resource starting from the first preconfigured resource of the data and after at least one period is determined as the target preconfigured resource, and the period is the period of the first preconfigured resource.
  • the resource corresponding to the first small packet of data is a first preconfigured resource for transmitting the first small packet of data
  • the processing unit is configured to select the second preconfigured resource from one or more sets of preconfigured resources It is determined to be the target preconfigured resource, and the first preconfigured resource and the second preconfigured resource are different sets of preconfigured resources.
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is determined by the time and offset value at which the terminal receives the feedback information from the network device, and the feedback information is used for Indicates that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • the processing unit may be a processor, and the communication unit may be a communication interface.
  • the communication interface may be an input/output interface, a pin or a circuit, or the like.
  • the processing unit executes the instructions stored in the storage unit, so that the terminal implements the data transmission method described in the third aspect or any possible implementation manner of the third aspect.
  • the storage unit may be a storage unit in the chip (eg, a register, a cache, etc.), or a storage unit in the terminal (eg, a read-only memory, a random access memory, etc.) located outside the chip.
  • an embodiment of the present application provides a communication device.
  • the communication device can implement the method in any possible implementation manner of the fourth aspect or the second aspect, and therefore can also implement the fourth aspect or any possible implementation manner of the fourth aspect.
  • the communication apparatus may be a network device, or may be a device that supports the network device to implement the method in the fourth aspect or any possible implementation manner of the fourth aspect, such as a chip applied to the network device.
  • the communication device may implement the above method through software, hardware, or through hardware executing corresponding software.
  • an embodiment of the present application provides a communication device, where the communication device is a network device or a chip or a chip system applied in the network device, the communication device includes: a communication unit and a processing unit, wherein the communication unit , for receiving or sending information/data. Processing unit for processing information/data. The processing unit is used to determine the association relationship. The communication unit is used for sending a broadcast message, and the broadcast message includes an association relationship. The association relationship includes at least the relationship between the random access preamble and the first preconfigured resource. Or, the association relationship includes at least the relationship between the resource for sending the random access preamble and the first preconfigured resource.
  • the random access preamble is the random access preamble used by the terminal in the random access process of sending the first small packet of data.
  • the processing unit may be a processor, and the communication unit may be a communication interface.
  • the communication interface may be an input/output interface, a pin or a circuit, or the like.
  • the processing unit executes the instructions stored in the storage unit, so that the network device implements the data transmission method described in the fourth aspect or any possible implementation manner of the fourth aspect.
  • the storage unit may be a storage unit (eg, a register, a cache, etc.) in the chip, or a storage unit (eg, a read-only memory, a random access memory, etc.) located outside the chip in the network device.
  • an embodiment of the present application provides a computer-readable storage medium, where a computer program or instruction is stored in the computer-readable storage medium, and when the computer program or instruction is run on a computer, the computer executes the steps from the first aspect to the third aspect.
  • the computer can be a terminal.
  • embodiments of the present application provide a computer-readable storage medium, in which a computer program or instruction is stored, and when the computer program or instruction is run on a computer, the computer is made to execute the steps from the second aspect to the first.
  • the computer can be a network device.
  • the embodiments of the present application provide a computer-readable storage medium, in which a computer program or instruction is stored, and when the computer program or instruction is run on a computer, the computer is made to execute the steps from the third aspect to the A data transmission method described in any possible implementation manner of the third aspect.
  • the computer can be a terminal.
  • embodiments of the present application provide a computer-readable storage medium, where a computer program or instruction is stored in the computer-readable storage medium, and when the computer program or instruction is run on a computer, the computer executes the steps from the fourth aspect to the A data transmission method described in any possible implementation manner of the fourth aspect.
  • the computer can be a network device.
  • the embodiments of the present application provide a computer program product including instructions, when the instructions are run on a computer, the computer causes the computer to execute an instruction described in the first aspect or various possible implementations of the first aspect method of data transfer.
  • the embodiments of the present application provide a computer program product including instructions, when the instructions are run on a computer, the computer causes the computer to execute an instruction described in the second aspect or various possible implementations of the second aspect method of data transfer.
  • the embodiments of the present application provide a computer program product including instructions, which, when the instructions are run on a computer, cause the computer to execute the third aspect or a kind of data described in various possible implementations of the third aspect transfer method.
  • an embodiment of the present application provides a computer program product including instructions, which, when the instructions are run on a computer, cause the computer to execute the data described in the fourth aspect or various possible implementations of the fourth aspect transfer method.
  • an embodiment of the present application provides a communication device for implementing various methods in various possible designs of any one of the foregoing first aspect to the fourth aspect.
  • the communication device may be the above-mentioned terminal, or a device including the above-mentioned terminal, or a component (eg, a chip) applied in the terminal.
  • the communication apparatus may be the above-mentioned network equipment, or an apparatus including the above-mentioned network equipment, or the communication apparatus may be a component (eg, a chip) applied in the network equipment.
  • the communication device includes corresponding modules and units for implementing the above method, and the modules and units may be implemented by hardware, software, or by executing corresponding software in hardware.
  • the hardware or software includes one or more modules or units corresponding to the above functions. It should be understood that the communication device described in the seventeenth aspect above may further include: a bus and a memory, where the memory is used to store codes and data. Optionally, the at least one processor communication interface and the memory are coupled to each other.
  • an embodiment of the present application provides a communication apparatus, where the communication apparatus includes: at least one processor.
  • the communication apparatus includes: at least one processor.
  • at least one processor is coupled to a memory, and when the communication device is running, the processor executes computer-executed instructions or programs stored in the memory, so that the communication device executes the first aspect or any one of the first aspects.
  • the communication device may be a terminal, or a chip applied in the terminal.
  • an embodiment of the present application provides a communication apparatus, where the communication apparatus includes: at least one processor.
  • the communication apparatus includes: at least one processor.
  • at least one processor is coupled to a memory, and when the communication device is running, the processor executes computer-executable instructions or programs stored in the memory, so that the communication device executes the second aspect or any one of the second aspects.
  • the communication apparatus may be a network device, or a chip applied in the network device.
  • an embodiment of the present application provides a communication apparatus, where the communication apparatus includes: at least one processor.
  • the communication apparatus includes: at least one processor.
  • at least one processor is coupled to a memory, and when the communication device is running, the processor executes computer-executable instructions or programs stored in the memory, so that the communication device executes the third aspect or any one of the third aspects.
  • the communication device may be a terminal, or a chip applied in the terminal.
  • an embodiment of the present application provides a communication device, where the communication device includes: at least one processor.
  • the communication device includes: at least one processor.
  • at least one processor is coupled to a memory, and when the communication device is running, the processor executes the computer-executed instructions or programs stored in the memory, so that the communication device executes any of the fourth aspect or the fourth aspect above
  • the communication apparatus may be a network device, or a chip applied in the network device.
  • any one of the eighteenth aspect to the twenty-first aspect may also be replaced by a storage medium, which is not limited in this embodiment of the present application.
  • the memory described in any one of the eighteenth aspect to the twenty-first aspect may be a memory inside the communication device, of course, the memory may also be located outside the communication device, but at least one processing The computer can still execute the computer-implemented instructions or programs stored in the memory.
  • an embodiment of the present application provides a communication device, where the communication device includes one or more modules for implementing any one of the first, second, third, and fourth aspects above method, the one or more modules may correspond to each step in the method of any one of the first aspect, the second aspect, the third aspect, and the fourth aspect.
  • an embodiment of the present application provides a chip system, where the chip system includes a processor, and the processor is configured to read and execute a computer program stored in a memory to execute the first aspect and any possible implementations thereof.
  • the chip system may be a single chip, or a chip module composed of multiple chips.
  • the chip system further includes a memory, and the memory and the processor are connected to the memory through a circuit or a wire.
  • the chip system further includes a communication interface. The communication interface is used to communicate with other modules outside the chip.
  • an embodiment of the present application provides a chip system, where the chip system includes a processor, and the processor is configured to read and execute a computer program stored in a memory to execute the second aspect and any possible implementations thereof.
  • the chip system may be a single chip, or a chip module composed of multiple chips.
  • the chip system further includes a memory, and the memory and the processor are connected to the memory through a circuit or a wire.
  • the chip system further includes a communication interface. The communication interface is used to communicate with other modules outside the chip.
  • an embodiment of the present application provides a chip system, where the chip system includes a processor, and the processor is configured to read and execute a computer program stored in a memory to execute the third aspect and any possible implementations thereof.
  • the chip system may be a single chip, or a chip module composed of multiple chips.
  • the chip system further includes a memory, and the memory and the processor are connected to the memory through a circuit or a wire.
  • the chip system further includes a communication interface. The communication interface is used to communicate with other modules outside the chip.
  • an embodiment of the present application provides a chip system, the chip system includes a processor, and the processor is configured to read and execute a computer program stored in a memory, so as to execute the fourth aspect and any possible implementations thereof.
  • the chip system may be a single chip, or a chip module composed of multiple chips.
  • the chip system further includes a memory, and the memory and the processor are connected to the memory through a circuit or a wire.
  • the chip system further includes a communication interface. The communication interface is used to communicate with other modules outside the chip.
  • an embodiment of the present application provides a communication system, where the communication system includes: a terminal and a network device.
  • the terminal is used for executing the method in the first aspect and any possible implementation manner thereof, and the network device terminal is used for executing the method in the second aspect and any possible implementation manner thereof.
  • the terminal is used to execute the method in the third aspect and any possible implementation manner thereof, and the network device terminal is used for executing the method in the fourth aspect and any possible implementation manner thereof.
  • any device or computer storage medium or computer program product or chip or communication system provided above is used to execute the corresponding method provided above. Therefore, the beneficial effect that can be achieved can refer to the corresponding provided above. The beneficial effects of the corresponding solutions in the method will not be repeated here.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • 2a is a schematic diagram of a user plane protocol stack of a terminal and a gNB provided by an embodiment of the present application;
  • 2b is a schematic diagram of a control plane protocol stack of a terminal and a gNB according to an embodiment of the present application;
  • FIG. 3 is a schematic diagram of an RRC state transition of a terminal according to an embodiment of the present application.
  • FIG. 4a is a schematic diagram of a four-step random access provided by an embodiment of the present application.
  • FIG. 4b is a schematic diagram of a two-step random access provided by an embodiment of the present application.
  • 5a-5f are schematic diagrams of small packet data transmission according to an embodiment of the present application.
  • FIG. 6 is a schematic flowchart 1 of an instruction data transmission provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a preconfigured uplink resource provided by an embodiment of the present application.
  • FIG. 8 is a second schematic flowchart of an instruction data transmission provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of the location of a dynamic scheduling resource and a preconfigured resource provided by an embodiment of the present application.
  • FIG. 10 is a schematic third flowchart of an instruction data transmission provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of another preconfigured uplink resource provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a MAC CE carrying first information and/or second information provided by an embodiment of the present application;
  • FIG. 13 is a fourth schematic flowchart of an instruction data transmission provided by an embodiment of the present application.
  • FIG. 14 is a fifth schematic flowchart of a data transmission provided by an embodiment of the present application.
  • FIG. 15a is a schematic diagram of an association relationship between a resource and a preconfigured resource provided by an embodiment of the present application
  • FIG. 15b is a schematic diagram of an association relationship between another resource and a preconfigured resource provided by an embodiment of the present application.
  • 16a is a schematic diagram of an association relationship between another resource and a preconfigured resource provided by an embodiment of the present application
  • FIG. 16b is a schematic diagram of an association relationship between still another resource and a preconfigured resource provided by an embodiment of the present application;
  • FIG. 17 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 18 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 19 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • words such as “first” and “second” are used to distinguish the same or similar items with basically the same function and effect.
  • the first message and the second message are only for distinguishing different messages, and the sequence of the first message is not limited.
  • the words “first”, “second” and the like do not limit the quantity and execution order, and the words “first”, “second” and the like are not necessarily different.
  • LTE long-term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • PLMN public land mobile network
  • D2D device-to-device
  • M2M machine to machine
  • 5G fifth generation mobile communication technology
  • the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application.
  • the evolution of the architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • the provided method is applied to a New Radio (New Radio, NR) system or a 5G network as an example for description.
  • New Radio New Radio
  • At least one means one or more, and “plurality” means two or more.
  • the character “/” generally indicates that the associated objects are an “or” relationship.
  • At least one item(s) below” or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s).
  • at least one item (a) of a, b, or c may represent: a, b, c, ab, ac, bc, or abc, where a, b, and c may be single or multiple .
  • an embodiment of the present application provides a communication system, where the communication system includes: a network device 100 and one or more terminals 200 that communicate with the network device 100 .
  • the communication system includes: a network device 100 and one or more terminals 200 that communicate with the network device 100 .
  • a terminal and a network device are taken as an example in FIG. 1 . In the actual process, there may be more network devices and terminals.
  • the terminal 200 can be connected to the network device 100 in a wireless manner, and can access the core network through the network device 100 .
  • the terminal 200 may be fixed or movable.
  • FIG. 1 is only a schematic diagram, and the communication system may also include other network devices, such as core network devices and relay devices, which are not shown in FIG. 1 .
  • the embodiments of the present application do not limit the number of terminals 200 and network devices 100 included in the communication system.
  • the terminal 200 can establish a connection with the network device 100 through a random access procedure (random access procedure) and obtain uplink synchronization, and then can send uplink data to the accessed network device 100.
  • a random access procedure random access procedure
  • Figure 2a shows the user plane protocol stack of the communication between the terminal 200 and the gNB, and the user plane protocol stack of the terminal 200 and the gNB is from top to bottom Including: Service Data Adaptation Protocol (SDAP), Packet Data Convergence Protocol (PDCP), Radio Link Control (Radio Link Control, RLC), Media Access Control (Medium access control) , MAC) layer and physical (Physical, PHY) layer.
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • Media Access Control Medium access control
  • MAC Media Access Control
  • PHY Physical
  • the control plane protocol stack of the terminal 200 sequentially includes from top to bottom: a non-access (Non Access Stratum, NAS) layer, a wireless Resource Control (Radio Resource Control, RRC) layer, PDCP layer, RLC layer, MAC layer, PHY layer.
  • the control plane protocol stack of the AMF network element includes the NAS layer.
  • FIG. 2a and FIG. 2b take the protocol stacks of each device shown as an NR protocol stack as an example.
  • the user plane (UP) protocol stack and the control plane (CP) protocol stack of the terminal 200 or gNB have in common that they both include the RLC layer and the MAC layer. and PHY layer.
  • the terminal has two radio resource control states, namely the RRC-connected (RRC_CONNECTED) state and the RRC-idle (RRC_IDLE) state.
  • RRC_CONNECTED the RRC-connected
  • RRC_IDLE the RRC-idle
  • the terminal After the terminal is powered on, the terminal is first in the RRC_IDLE state. If the terminal initiates a request to establish an RRC connection and successfully establishes an RRC connection with the base station, the terminal enters the RRC_CONNECTED state, and then can communicate with the core network equipment. If the establishment of the RRC connection request initiated by the terminal fails, or the terminal releases the RRC connection, the terminal enters the RRC_IDLE state.
  • the terminal When the terminal is in the RRC_IDLE state, if the core network device has data to send to the terminal, it needs to send a paging message to the terminal. In this way, after the terminal receives the paging message for paging the terminal, the terminal initiates During the RRC connection establishment process, the terminal receives the data after entering the RRC_CONNECTED state.
  • the terminal in addition to the above-mentioned RRC-connected state and RRC-idle state, the terminal also has a third state, namely the radio resource control-inactive (RRC_INACTIVE) state .
  • RRC_INACTIVE radio resource control-inactive
  • the terminal In the RRC_INACTIVE state, the terminal is in a power-saving sleep state, but the terminal still retains part of the radio access network (RAN) context (for example, security context, terminal capability information, etc.), and always maintains the 5G core network and RAN. Connection. That is, the terminal in the RRC_INACTIVE state always maintains the connection between the 5G core network and the base station.
  • RAN radio access network
  • the same point between the RRC_IDLE state and the RRC_INACTIVE state is that the terminal cannot transmit data in both the RRC_IDLE state and the RRC_INACTIVE state. If the terminal wants to transmit data, the terminal needs to switch from the RRC_IDLE state or the RRC_INACTIVE state to RRC_CONNECTED.
  • the difference between the RRC_IDLE state and the RRC_INACTIVE state is that the terminal switching from the RRC_INACTIVE state to the RRC_CONNECTED state is different from the terminal switching from the RRC_IDLE state to the RRC_CONNETED state, because when the terminal switches from the RRC_CONNECTED state to the RRC_IDLE state, the context of the core network is released, that is, the release of the core network context.
  • the context applied when the RRC_IDLE state switches to the RRC_CONNECTED state.
  • the signaling overhead between the network device and the terminal is reduced.
  • the reduction in the reception of signaling messages reduces the power consumption caused by the terminal de-blind detection and the transmission time caused by air interface transmission. Therefore, the time it takes for the terminal to enter the RRC_CONNECTED state from the RRC_INACTIVE state is shorter than the time it takes for the terminal to enter the RRC_CONNECTED state from the RRC_IDLE state, and the interaction of signaling is less, so that the terminal can quickly enter the RRC_CONNECTED state from the RRC_INACTIVE state, which also reduces signaling overhead.
  • FIG. 3 shows the transition flow between the above three RRC states:
  • the terminal starts to be in the RRC_IDLE state.
  • the terminal When the terminal needs to perform data transmission, the terminal will perform a random access procedure to establish an RRC connection with the base station, and start data transmission after entering the RRC_CONNECTED state.
  • the terminal sends an RRC connection establishment request message (eg, RRCSetupRequest) to the base station in the process of initiating random access.
  • the terminal receives a connection establishment message (eg, RRCSetup) sent by the base station to set up an RRC connection.
  • the base station may release the terminal to make the terminal enter the RRC_IDLE state or the RRC_INACTIVE state.
  • the base station sends a release message with a suspend indication (eg, RRCRelease with suspend indication), so that the terminal enters the RRC_INACTIVE state.
  • a suspend indication eg, RRCRelease with suspend indication
  • the base station sends a release message (eg, RRCRelease) to the terminal, so that the terminal enters the RRC_IDLE state.
  • a release message eg, RRCRelease
  • the terminal in the RRC_INACTIVE state can also return to the RRC_CONNECTED state through a resume message.
  • the terminal sends an RRC connection recovery request message (eg, RRCResumeRequest) and receives a connection recovery message (eg, RRCResume) sent by the base station.
  • the base station can also release the terminal to make the terminal enter the RRC_IDLE state.
  • each RRC state of the above-mentioned terminal is as follows:
  • RRC_IDLE state PLMN selection, system information broadcast, cell reselection, called paging initiated by 5G core network (5G core, 5GC), configured by non-access stratum (Non-Access Stratum, NAS) for core network paging Call DRX.
  • 5G core 5G core
  • 5GC 5G core network
  • NAS Non-Access Stratum
  • RRC_INACTIVE state Public Land Mobile Network (PLMN) selection, system information broadcast, cell reselection, called search initiated by next generation (NG)-radio access network (RAN) paging, RAN-based Notification Area (RNA) managed by NG-RAN, Discontinuous Reception (DRX) configured by NG-RAN for RAN paging, establishment of 5GC and NG-RAN The connection between the user plane and the control plane, the NG-RAN and the terminal all save the access stratum (Access Stratum, AS) context of the terminal. NG-RAN knows the RNA where the terminal is located.
  • PLMN Public Land Mobile Network
  • NG next generation
  • RAN radio access network
  • RNA RAN-based Notification Area
  • DRX Discontinuous Reception
  • RRC_CONNECTED state Establish the connection between the user plane and the control plane between the 5G core network (5G core, 5GC) and the NG-RAN, both the NG-RAN and the terminal save the AS layer context of the terminal, the NG-RAN knows the cell to which the terminal belongs, The terminal can send or receive unicast data, and the network controls the mobility of the terminal, including measurements.
  • 5G core 5G core, 5GC
  • the terminal 200 is a device with a wireless communication function, which can be deployed on land, including indoor or outdoor, hand-held or vehicle-mounted, and can also be a sensor-type device. It can also be deployed on water (such as ships, etc.). It can also be deployed in the air (eg on airplanes, balloons, satellites, etc.).
  • a terminal may also be referred to as user equipment (UE), access terminal (access terminal), user unit (user unit), user station (user station), mobile station (mobile station), mobile station (mobile), remote remote station, remote terminal, mobile equipment, user terminal, wireless telecom equipment, user agent, user equipment or user device.
  • the terminal 200 may be a station (station, STA) in a wireless local area network (wireless local area networks, WLAN), may be a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop) loop, WLL) stations, personal digital assistant (PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems ( For example, a terminal in a fifth-generation (fifth-generation, 5G) communication network) or a terminal in a future evolved public land mobile network (public land mobile network, PLMN) network, and the like. Among them, 5G can also be called new radio (NR).
  • NR new radio
  • the terminal 200 may also be a wearable device, that is, the wearable device is directly worn on the body, or a portable device integrated into the user's clothes or accessories.
  • Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • Use such as all kinds of smart bracelets, smart jewelry, etc. for physical sign monitoring.
  • In-vehicle equipment for example, cars, bicycles, electric vehicles, airplanes, ships, trains, high-speed rails, etc.
  • virtual reality (VR) equipment for example, virtual reality (VR) equipment, augmented reality (AR) equipment, industrial control (industrial control) Wireless terminals, smart home equipment (for example, refrigerators, TVs, air conditioners, electricity meters, etc.), intelligent robots, workshop equipment, wireless terminals in self-driving, wireless terminals in remote medical surgery, smart Wireless terminals in the power grid (smart grid), wireless terminals in transportation safety, wireless terminals in smart cities, or wireless terminals in smart homes, flying equipment (for example, smart Robots, hot air balloons, drones, airplanes), etc.
  • VR virtual reality
  • AR augmented reality
  • industrial control industrial control
  • Wireless terminals smart home equipment (for example, refrigerators, TVs, air conditioners, electricity meters, etc.), intelligent robots, workshop equipment, wireless terminals in self-driving, wireless terminals in remote medical surgery, smart Wireless terminals in the power grid
  • a chip deployed in the above-mentioned device such as a System-On-a-Chip (SOC), a baseband chip, etc., or other chips with communication functions, may also be referred to as a terminal.
  • SOC System-On-a-Chip
  • baseband chip etc.
  • other chips with communication functions may also be referred to as a terminal.
  • the network device in this embodiment of the present application may be a device for communicating with a terminal, and the network device may be a global system for mobile communications (GSM) system or a code division multiple access (code division multiple access, CDMA) system. It can also be a base station (NodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evoledNodeB) in an LTE system.
  • GSM global system for mobile communications
  • CDMA code division multiple access
  • NB base station
  • WCDMA wideband code division multiple access
  • evoledNodeB evolved base station
  • eNB or eNodeB it can also be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device can be a relay station, an access point, an in-vehicle device, a wearable device, and a future 5G network
  • CRAN cloud radio access network
  • the network equipment in the PLMN network or the network equipment in the future evolved PLMN network, etc., are not limited in the embodiments of the present application.
  • a terminal in the RRC_INACTIVE state or the RRC_IDLE state does not support data transmission, that is, the terminal in the RRC_INACTIVE state or the RRC_IDLE state needs to restore the RRC connection through the random access procedure and enter the RRC_CONNECTED state before data transmission can be performed.
  • the network device can support multiple random access modes.
  • -step RA the four-step random access mode
  • more other random access methods will appear in the future, and the various random access methods described here can be included.
  • the terminal when the terminal is not configured with non-contention random access (Contention Free Random Access, CFRA) resources, the terminal will be based on the current reference signal received power (Reference Signal Receiving Power, RSRP) measurement value and specified in the protocol
  • RSRP Reference Signal Receiving Power
  • the size of the threshold is related to the independent selection of contention-based random access (CBRA), such as 4-step RA or 2-step RA.
  • Figure 4a shows a schematic diagram of a four-step random access process, which includes:
  • the terminal in the RRC_IDLE state sends a random access preamble (Random Access Preamble), also called message 1 (message1, Msg1), to the base station (for example, the terminal may send a Preamble to the base station on a random access channel).
  • RAR random access response message
  • Msg3 message three
  • PUSCH physical uplink shared channel
  • the base station After successfully receiving a Msg3, the base station returns a conflict resolution message (also called Msg4) to the terminal that has successfully accessed.
  • Msg4 carries the unique identifier in Msg3 to designate the terminal that has successfully accessed.
  • the base station broadcasts the preamble set available to the network device and the time-frequency resource for sending message 1 to the terminal through a broadcast message.
  • the terminal performs random access, it includes the following steps:
  • Step 401a The terminal sends Msg1, which may also be referred to as message 1, to the base station on time-frequency resource 1.
  • the message 1 includes a random access preamble (Random Access Preamble).
  • the terminal may send a random access preamble to the base station on a random access channel (Random access channel).
  • the terminal can notify the base station of its random access request through the random access preamble.
  • the random access preamble includes any preamble selected by the terminal from the preamble set configured by the network device.
  • Step 402a The base station sends Msg2 to the terminal, which may also be referred to as message 2.
  • the message 2 includes a random access response (random access response, RAR).
  • the terminal will monitor the PDCCH within the RAR time window to receive the RAR sent by the base station. If the terminal does not receive the RAR replied by the base station within the RAR time window, the terminal considers that the random access process has failed.
  • the RAR includes the random access preamble, the time-frequency position for sending message 3, the temporary cell radio network temporary identifier (TC-RNTI), and the like.
  • the base station demodulates the preamble sent by the terminal.
  • the base station calculates the scrambling code of message 2 according to the identifier of the demodulated preamble and the time-frequency resource of receiving message 1.
  • the scrambling code may be a random access radio network temporary identifier (RA-RNTI).
  • the base station determines the time-frequency resource for the terminal to send message 3 .
  • the base station carries the identifier of the preamble and the time-frequency resource for sending the message 3 in the message 2 .
  • the base station uses the calculated scrambling code to scramble message 2 and sends it to the terminal.
  • Step 403a If the terminal receives the RAR, the terminal will pass the data channel (for example, the physical uplink shared channel) on the allocated time-frequency resources according to the instructions of Msg2 based on its current different RRC status and different scenarios. , PUSCH)) to send an uplink message Msg3, also called message 3.
  • the data channel for example, the physical uplink shared channel
  • message 3 carries the identifier of the terminal and different RRC messages.
  • the RRCResumerequest can be sent to restore the RRC connection.
  • Msg4 is used to notify the terminal that its random access is successful.
  • Figure 4b shows a schematic diagram of a two-step random access process, which includes:
  • Step 401b the terminal sends a message A (MsgA).
  • the MsgA includes the random access preamble and the RRC message carried in Msg3 of the above-mentioned 4-step RA.
  • Step 402b the base station sends a message B (MsgB) to the terminal.
  • the MsgB includes the RAR, which is used to notify the terminal whether the contention is successfully resolved.
  • the base station can allocate a preconfigured Grant (CG) resource to the terminal, where the CG resource is an uplink resource, which is mainly used by the terminal to transmit to the base station through the CG resource when there is a data transmission requirement.
  • CG preconfigured Grant
  • the base station configures CG resource type 1 (CG type 1) for the terminal.
  • the base station can directly configure the specific uplink CG resource configuration for the terminal through the RRC message.
  • the configuration includes the time-frequency location of the CG resource and the period of the CG resource. Therefore, unlike dynamic scheduling resources, CG resources can reduce signaling overhead and data delay.
  • Dynamic scheduling resources are resources dynamically allocated by the base station for the terminal. For example, the base station may dynamically schedule resources to allocate resources to the terminal through downlink control information (Downlink Control Information, DCI).
  • DCI Downlink Control Information
  • a pre-configured resource timer (configuredGrantTimer) is included in the CG configuration, and the timer can control the terminal's use of the CG resources.
  • the terminal receives the dynamic scheduling instruction, the terminal starts the configuredGrantTimer.
  • the terminal will not use CG resources to send uplink data.
  • the size of the data packet that the terminal in the RRC_INACTIVE state needs to transmit is smaller than the preset threshold (this application may be referred to as: small packet data, small data), and the terminal needs to enter the RRC_CONNECTED state from the RRC_INACTIVE state. Make it even larger than small data, resulting in unnecessary power consumption and signaling overhead.
  • Specific scenarios can cover smartphone-related services, such as instant messages of WeChat and QQ, heartbeat packets or push messages of application software; and non-smartphone-related services, such as periodic data of wearable devices such as heartbeat packets, industrial wireless sensors Periodic readings sent by the network, smart meters, etc.
  • the RRC-disconnected state involved in the embodiments of the present application may refer to that the terminal is in the RRC-IDLE state, or the terminal is in the RRC-INACTIVE state.
  • the terminal is allowed to transmit uplink data (UL data) once during the random access process.
  • UL data uplink data
  • the terminal in the RRC_IDLE state has uplink data to transmit, both the network and the terminal support MO-EDT, and the size of the data to be transmitted is less than or equal to the transmission block (TB) indicated in the system information from the terminal. hour, then the terminal initiates MO-EDT, and sends uplink data through the message of Msg3 (Message 3 in the random access process of LTE for establishing and restoring RRC connection in the random access process.
  • Msg3 Message 3 in the random access process of LTE for establishing and restoring RRC connection in the random access process.
  • RRC connection recovery request (RRCConnectionResumeRequest)+UL data, namely terminal sends RRCConnectionResumeRequest and UL data simultaneously.
  • control plane EDT scheme can also include in message 3: RRC early transmission data request (RRCEarlyDataRequest) and UL data, that is, the terminal sends RRCEarlyDataRequest carrying UL data.
  • the base station can send RRCConnectionRelease (RRCConnectionRelease) to the terminal through message 4 Release) + downlink data (downlink data, DL data), that is, the base station sends RRCConnectionRelease and UL data at the same time.
  • RRCConnectionRelease RRCConnectionRelease
  • DL data downlink data
  • the RRC early data completion (RRCEarlyDataComplete) message and DL data can be sent to the terminal through message 4, that is The base station sends the RRCEarlyDataComplete message that carries the UL data.
  • the terminal is allowed to transmit downlink data once during the random access process. Specifically, when the core network has downlink data to transmit and both the network and the terminal support MT-EDT, the core network will trigger MT-EDT. Mainly, the core network sends a paging message carrying the downlink data size to the base station. Then, the base station sends a paging message carrying the MT-EDT indication to the terminal. After the terminal receives the paging message, the terminal will trigger MO-EDT for MT-EDT. The difference in this process is that the terminal does not send data while sending RRCConnectionResumeRequest or RRCEarlydataRequest. Specifically, the standardized user plane and control plane MT-EDT solutions are shown in Figure 5c.
  • Scheme 2 Small packet data transmission through 2-step RA.
  • 2-step RA is currently mainly used as a way for terminals to perform random access, rather than data transmission, but this scheme can still be used as a method for the NR small data scheme. Its characteristic is that the terminal directly sends a random access preamble and a PUSCH load at MsgA.
  • the PUSCH carries different RRC messages sent by the terminal based on its current different RRC states and different scenarios. Therefore, when small data is transmitted through 2-step RA, small data can be transmitted in the PUSCH load of MsgA.
  • the terminal transmits data through pre-configured uplink resources and the terminal does not need to perform random access. into the process.
  • the terminal may send PUR request configuration information (PURConfigurationRequest) to the base station when it is in RRC_CONNECTED.
  • PUR request configuration information PUR request configuration information
  • the terminal may send PUR request configuration information (PURConfigurationRequest) to the base station when it is in RRC_CONNECTED.
  • the RRC connection release (ConnectionRelease) message may carry PUR configuration information or PUR release indication information and the like.
  • the terminal can use the PUR for transmission when data arrives or the upper layer of the terminal requests to establish or restore an RRC connection, and has a valid timing advance (TA) specified in TS 36.331.
  • TA is used for the synchronization between the terminal and the network device.
  • the transmitted content is similar to the message in the above EDT, namely UP:RRCConnectionResumeRequest+UL data/CP:RRCEarlyDataRequest with UL data.
  • the standardized user plane is shown in Figure 5e
  • the control plane PUR scheme is shown in Figure 5f:
  • the PUR is a data transmission scheme of RRC_IDLE that has been standardized in the LTE system, wherein the resources of the PUR are uplink resources preconfigured by the base station for the terminal.
  • CG is the pre-configured uplink resource configured by the base station for the terminal in the NR system, but the CG in the currently standardized technology is used for data transmission by the terminal in the RRC_CONNECTED state. Therefore, in order to consider how to use preconfigured uplink resources for data transmission in the RRC_INACTIVE state in the NR system, the PUR technology in LTE can be used as a reference.
  • the terminal in the RRC_INACTIVE state can be supported to transmit small data, that is, the terminal does not need to enter the RRC_CONNECTED state from the RRC-disconnected state in order to transmit small data.
  • the terminal can send small data in Msg3 in 4-step RA, or the terminal can send small data in MsgA in 2-step RA, or the terminal can use CG resources to send small data.
  • This solution It can be called a small packet data transmission scheme.
  • the large packet data in this embodiment of the present application may refer to data that is greater than or equal to the preset transmission block size.
  • Small-packet data may refer to data smaller than or equal to the preset transmission block size, but for descriptions involving large-packet data and small-packet data, reference may be made to the description here.
  • the preset transport block size may be broadcast by a network device, or the transport block size may be predefined by a protocol, which is not limited in this embodiment of the present application.
  • the terminal can perform small data transmission through the Msg3/MsgA/CG resources in the above solution, and the base station can use an RRC message, such as RRCRelease to indicate that the terminal small data transmission has been completed after the small data transmission, and the terminal can return to the original the RRC status.
  • RRC message such as RRCRelease
  • the terminal can use Msg3/MsgA/CG resources to send smalldata1 and carry auxiliary information at the same time.
  • the auxiliary information may "indicate the subsequent data transmission situation of the terminal and assist the base station to indicate the RRC state of the terminal after completing the smalldata1 transmission".
  • the terminal sends auxiliary information to the base station to avoid the following situations: for example, the terminal still has the transmission requirement of smalldata2 or has normal transmission data, then the base station makes the terminal enter a suitable RRC state, so as to avoid affecting the subsequent data transmission of the terminal or Affects the power usage of the terminal.
  • the base station can keep the terminal in the RRC_INACTIVE state, or when the terminal has a subsequent large data demand, that is, data that is normally transmitted, the base station can indicate The terminal enters the RRC_CONNECTED state.
  • the terminal can send auxiliary information to the base station, so that the base station can learn the subsequent transmission requirements of the terminal.
  • Specific subsequent data transmission situations may include:
  • the terminal needs to transmit small data in the RRC_INACTIVE state, but the small data is larger than the data packet size that the terminal can upload at one time.
  • the terminal can divide the small data to be transmitted into smalldata1 and smalldata2 based on the data packet requirements broadcast by the base station.
  • the terminal transmits smalldata1, it can report auxiliary information related to smalldata2 at the same time.
  • the terminal continues to transmit smalldata2 in the RRC_INACTIVE state.
  • Scenario 2 The terminal needs to transmit small data in the RRC_INACTIVE state, but the small data is larger than the size of the data packet that the current terminal can upload at one time.
  • the terminal can divide the small data to be transmitted into smalldata1 and data2 based on the data packet requirements broadcast by the base station. When the terminal transmits smalldata1, it can report auxiliary information related to data2 at the same time. After the terminal completes the transmission of smalldata1, the terminal continues to transmit data2 in the RRC_INACTIVE state.
  • the difference between the scenario 2 and the scenario 1 is that in the scenario 1, smalldata2 is small packet data, while data2 is non-small packet data.
  • the so-called non-small packet data refers to data larger than the preset data block size.
  • Scenario 3 The terminal has a transmission requirement of smalldata1 in the RRC_INACTIVE state, and the smalldata1 meets the size of the data packet that the current terminal can upload at one time.
  • a new data packet such as data2 arrives.
  • the terminal may indicate the auxiliary information related to the new data packet to the base station while transmitting smalldata1.
  • the terminal continues to transmit data2 in the RRC_INACTIVE state.
  • data2 may be small packet data or non-small packet data.
  • the data sent in scenario 1 may also be non-small packet data, which is not limited in this embodiment of the present invention.
  • the terminal After the terminal sends smalldata1 through Msg3/MsgA/CG resources, for subsequent data transmission, it is assumed that the terminal has obtained the CG resource configuration and the priority of transmission using CG resources is higher than that of transmitting subsequent data using Msg3/MsgA.
  • the CG resources of the terminal are shared by multiple terminals. If the CG resource is already occupied by another terminal, but the terminal does not know that the CG resource configured by the base station is occupied, and the terminal continues to send the data to be transmitted on the occupied CG resource, the data transmission will fail and the data transmission quality of the terminal will be affected. .
  • the embodiment of the present application provides a method for indicating data transmission.
  • the network device determines according to the first message that the terminal has data to be transmitted subsequently, and the network device sends the data to the network device.
  • the terminal sends the first information and/or the second information, so that the terminal can determine the transmission mode and/or the transmission resource of the data to be transmitted subsequently sent to the network device.
  • it can avoid data transmission failure caused by the terminal using preconfigured resources to transmit data to be transmitted when the preconfigured resources of the terminal are unavailable, thereby ensuring the reliability of subsequent data transmission and improving the data transmission quality of the terminal .
  • the terminal transmits the data to be transmitted to the network device through the transmission mode and/or transmission resource indicated by the network device, so that the network device can determine the location where the data to be transmitted is received.
  • a method for indicating data transmission provided by an embodiment of the present application will be described in detail below with reference to FIG. 6 to FIG. 13 .
  • the specific structure of the execution body of a method for indicating data transmission is not particularly limited in the embodiment of the present application, as long as the code of the method for indicating data transmission according to the embodiment of the present application can be recorded by running
  • the program can be communicated by the method for instructing data transmission according to the embodiment of the present application.
  • the execution body of the method for instructing data transmission provided by the embodiments of the present application may be a functional module in a terminal capable of calling a program and executing the program, or a communication device applied in the terminal, such as a chip, a chip system, an integrated circuit, etc. Wait.
  • the execution body of the method for indicating data transmission provided by the embodiments of the present application may be a functional module in a network device that can call a program and execute the program, or a communication device applied in the network device, for example, a chip, a chip system, an integrated circuit, etc. etc., these chips, chip systems, and integrated circuits may be disposed inside the network device, or may be independent from the network device, which is not limited in this embodiment of the present application.
  • FIG. 6 shows a method for indicating data transmission provided by an embodiment of the present application, and the method includes:
  • Step 601 The terminal sends the first small packet of data and the first message to the network device.
  • the network device receives the first packet data and the first message from the terminal.
  • the first message is used to indicate that the terminal has subsequent data to be transmitted.
  • step 601 in this embodiment of the present application may be implemented in the following manner: the terminal sends the first small packet of data and the first small packet of data to the network device during the random access process or on the preconfigured resources of the terminal information.
  • the network device may receive the first packet data and the first message from the terminal in the random access process or the preconfigured resource of the terminal.
  • sending the first packet of data and the first message to the network device by the terminal during the random access process may be implemented in the following manner: the terminal may send the first packet of data and the first message to the network device in Msg3 or MsgA during the random access process.
  • First news The first small packet of data and the first message may be carried in the same message and sent, or may be sent through different messages, which are not limited in this embodiment of the present application.
  • the terminal sending the first small packet of data and the first message to the network device may be replaced by the terminal sending third data and the first message to the network device, where the third data may be small packet data , or it may not be small packet data, which is not limited in this embodiment of the present application.
  • the preconfigured resource in the embodiment of the present application may refer to: PUR in the LTE system, or may also refer to the above-mentioned CG resource. It may also be other preconfigured resources, which are not limited in this embodiment of the present application.
  • the terminal has one or more sets of preconfigured resources.
  • a set of preconfigured resources includes preconfigured resources that appear in different time domain locations.
  • a plurality of preconfigured resources included in a set of preconfigured resources are periodic resources, that is, the preconfigured resources may be periodic preconfigured resources.
  • the periods of different sets of preconfigured resources may be the same or different, which is not limited in this embodiment of the present application.
  • a set of preconfigured resources includes preconfigured resource 1 that appears for the first time, preconfigured resource 1 that appears for the second time after period 1, and so on until the preconfigured resource 1 becomes invalid.
  • the above-mentioned periodic pre-configured resource may be configured for the terminal by the network device, or the periodic pre-configured resource may be configured for the terminal by a protocol.
  • the network device configures preconfigured resources for the terminal when the terminal is in the RRC_CONNECTED state, or when the RRC_CONNECTED state of the terminal is about to be released by the network device, which is not limited in this embodiment of the present application.
  • the preconfigured resource is used solely by the terminal, which is a non-shared resource, or the preconfigured resource is shared by the terminal or other terminals, which is a shared resource.
  • step 601 may be implemented in the following manner: the terminal transmits the first packet data and the first message using Msg3/MsgA. If the TA timer of the terminal is valid, the terminal has a valid TA. When the TA timer of the terminal expires, the terminal has no valid TA.
  • step 601 in the case that the terminal has preconfigured resources, if the terminal has obtained a valid TA, step 601 can be implemented in the following manner: the terminal transmits the first packet data and the first message by using the preconfigured resources.
  • the terminal can decide whether to use the small data transmission scheme according to the size of the data packet to be transmitted.
  • the data packet to be transmitted is the first small packet data, and it is decided to transmit the first small packet data by using Msg3 or MsgA or a preconfigured resource mode. For example, if the size of the data packet currently to be transmitted by the terminal is larger than the size of the preset data block, the terminal determines that the current data packet to be transmitted is divided into the first small packet of data and the data to be transmitted. Then, the first small packet of data is firstly transmitted by means of Msg3 or MsgA or preconfigured resources, and the network device is notified that there is still data to be transmitted.
  • the small packet data involved in the embodiments of the present application may be smartphone-related services, such as instant messages of WeChat and QQ, heartbeat packets or push messages of application software; and non-smartphone-related services, such as periodic data of wearable devices Examples include heartbeat packets, periodic readings sent by industrial wireless sensor networks, smart meters, and more.
  • the first message includes an indication, where the indication is used to indicate that the terminal has subsequent data to be transmitted.
  • the data to be transmitted is the second packet data
  • the terminal divides the first packet data and the second packet data from the first data.
  • the first packet data and the second packet data are obtained by dividing the first data.
  • the size of the first data is greater than the threshold size of the data block of the small packet data broadcast by the network device. For example, if the first data is 100 bytes and the size of the data block broadcast by the network device is 60 bytes, the terminal can divide the first data into a first small packet of 60 bytes and a second small packet of 40 bytes. data.
  • the data to be transmitted is the second data
  • the terminal divides the first packet data and the second data from the first data.
  • the first packet data and the second data are obtained by dividing the first data. For example, if the first data is 100 bytes (bytes), and the data block threshold size of the small packet data broadcast by the network device is 40 bytes, the terminal can divide the first data into the first small packet data of size 40 bytes and the size of 60 bytes. the second data.
  • the first small packet of data and the data to be transmitted come from different data packets.
  • the data to be transmitted may be non-small packet data (that is, data larger than the data block threshold size broadcast by the network device), or may be small packet data, which is not limited in this embodiment of the present application.
  • step 601 in this embodiment of the present application may be implemented in the following manner: in a non-connected state (for example: RRC-disconnected state), the terminal sends the first small packet of data and the first small packet to the network device information.
  • the disconnected state may refer to that the terminal is in an RRC-idle state, or the terminal is in an RRC-inactive state.
  • Step 602 The network device sends the first information and/or the second information to the terminal.
  • the terminal receives the first information and/or the second information from the network device.
  • the first information is used to indicate the transmission mode of the data to be transmitted.
  • the second information is used to indicate a transmission resource for transmitting data to be transmitted.
  • step 602 can be replaced by the following methods:
  • Manner 1 The network device sends the first information to the terminal, and accordingly, the terminal receives the first information from the network device.
  • the first information may further indicate the transmission resource of the data to be transmitted.
  • the network device sends the second information to the terminal, and accordingly, the terminal receives the second information from the network device.
  • the second information may implicitly indicate the transmission mode of the data to be transmitted.
  • the terminal may confirm, according to the second information, that the transmission mode is to use the preconfigured resource to transmit the data to be transmitted.
  • the terminal may confirm that the transmission mode is another mode (for example, random access or dynamic scheduling mode) according to the second information.
  • Manner 3 The network device sends the first information and the second information to the terminal.
  • the terminal receives the first information and the second information from the network device.
  • first information and second information may be carried in the same message.
  • the message X carries the first information and the second information.
  • message X carries field 1 and field 2.
  • field 1 indicates the first information.
  • Field 2 indicates the second information.
  • the sum of the first information and the second information may be carried in different messages.
  • the message X carries the second information
  • the message Y carries the first information, which is not limited in this embodiment of the present application.
  • message X has field 1, which indicates the first information.
  • This message Y has field 2 in it.
  • Field 2 indicates the second information.
  • the above-mentioned first information and second information may also be the same information. Either the second information is located in the first information, or the first information is located in the second information.
  • the transmission mode includes one of the following: data transmission is performed by initiating a random access procedure, data transmission is performed by using a pre-configured uplink resource method, or data transmission is performed by using a dynamic scheduling method.
  • the data transmission by initiating the random access process refers to: the network device instructs the terminal to simultaneously send the data to be transmitted to the network device during the initiating the random access process. In this way, it is convenient for the terminal to send the data to be transmitted to the network device by using the message 3 or the message A in the random access process after transmitting the first small packet of data.
  • using preconfigured resources for data transmission means that the terminal can send data to be transmitted to the network device by using preconfigured resources in one or more sets of preconfigured resource groups that the terminal has.
  • the use of dynamic scheduling for data transmission refers to that the terminal can send data to be transmitted to the network device by using the dynamic resources dynamically configured by the network device for the terminal.
  • Step 603 The terminal sends the data to be transmitted to the network device according to the transmission mode and/or transmission resource, and accordingly, the network device receives the data to be transmitted sent by the corresponding transmission mode and/or transmission resource adopted by the terminal.
  • step 603 can be implemented in the following manner.
  • the terminal sends the data to be transmitted to the network device on the dynamic resources allocated by the network device according to the dynamic scheduling method.
  • step 603 can be implemented in the following way: the terminal is in the random access process.
  • the data to be transmitted is sent to the network device.
  • step 603 can be implemented in the following manner: the terminal is in the random access process. Send the data to be transmitted to the network device in message A.
  • the first information is used to indicate that the transmission mode of the data to be transmitted is a preconfigured resource mode
  • the first information is used to indicate the information of the target preconfigured resource
  • the second information is used to indicate the target preconfigured resource.
  • step 603 may be implemented in the following manner: the terminal determines, according to the second information, that the transmission mode is: pre-configured, and transmit the data to be transmitted to the network device on the target pre-configured resource indicated by the second information, or the terminal uses the pre-configured method to transmit the data to the network on the target pre-configured resource selected by the terminal from one or more sets of pre-configured resources. The device transmits the data to be transmitted.
  • step 603 may be implemented in the following manner: Message A or message 3 sends data to be transmitted to the network device.
  • the network device uses the first information or the second information to indicate one transmission mode as an example.
  • the network device may also indicate two or more transmission modes to the terminal at the same time.
  • the terminal may select one transmission mode from two or more transmission modes indicated by the network device. For example, if the first information indicates that the transmission mode is to transmit the data to be transmitted by initiating a random access procedure or to transmit the data to be transmitted in a pre-configured mode, the terminal may randomly select a transmission mode as the transmission mode of the data to be transmitted.
  • the terminal determines, according to the transmission mode of the first small packet data, to select one of the transmission modes of the data to be transmitted by initiating the random access procedure or the transmission of the data to be transmitted in a preconfigured mode as the transmission mode of the data to be transmitted.
  • the transmission mode in which the terminal transmits the first small packet data and the transmission mode in which the terminal transmits the data to be transmitted may be the same or different. For example, if the terminal transmits the first small packet of data by using message A in the random access process, the terminal may also transmit the data to be transmitted in message A in the random access process based on the indication of the network device.
  • the terminal transmits the first small packet of data in a pre-configured manner, and the terminal may also transmit the data to be transmitted in a pre-configured manner based on an instruction of the network device. For example, if the terminal transmits the first small packet of data in a pre-configured manner, and the network device instructs the terminal to transmit the data to be transmitted by initiating a random access process, the terminal sends the data to be transmitted in message A or message 3 in the random access process.
  • the terminal sends auxiliary information to the network device in the process of sending the data to be transmitted to the network device.
  • the auxiliary information is used by the network device to determine that the terminal has other data to be transmitted subsequently.
  • the data to be transmitted and the auxiliary information may be carried in the same message or in different messages, which is not limited in this embodiment of the present application.
  • the embodiment of the present application provides a method for indicating data transmission. Because in the prior art, if the network device does not indicate to the terminal the transmission mode of subsequent data to be transmitted, there may be a possibility that the terminal does not know the subsequent transmission mode and preferentially uses preconfigured resources In the case of transmitting data to be transmitted, but if the preconfigured resource is unavailable, and the terminal does not know that the preconfigured resource is unavailable, and blindly using it to transmit data may cause data transmission failure, therefore, in this method, the terminal can send the data to the terminal.
  • the network device determines, according to the first message, that the terminal has subsequent data to be transmitted, then the network device sends one or more of the first information and the second information to the terminal, so that the terminal can Determine the transmission mode and/or transmission resources of the data to be transmitted subsequently sent to the network device.
  • the terminal adopts the transmission mode and/or transmission resources indicated by the network device to avoid data transmission failure caused by the terminal blindly using preconfigured resources to transmit data to be transmitted, thereby ensuring the reliability of subsequent data transmission and improving the data transmission of the terminal. quality.
  • the terminal transmits the data to be transmitted to the network device through the transmission mode and/or transmission resource indicated by the network device, so that the network device can determine the location where the data to be transmitted is received.
  • the terminal transmits the data to be transmitted in a dynamic scheduling manner.
  • the method includes:
  • Step 801 When the terminal is in the RRC-connected state or when the terminal enters the RRC-disconnected state from the RRC-connected state, the network device sends the first configuration information and/or the second configuration information to the terminal. Correspondingly, the terminal receives the first configuration information and/or the second configuration information from the network device.
  • the first configuration information is used to configure the first preconfigured resource.
  • the first CG resource For example, the first CG resource.
  • the second configuration information is used to indicate the timing duration of the first timer.
  • the first preconfigured resource may be a periodic resource.
  • the first configuration information and the second configuration information may be carried in the same message, or may be carried in different messages.
  • the second configuration information may be located in the first configuration information.
  • the first configuration information includes configuration information of the first preconfigured resource.
  • the configuration information of the first preconfigured resource includes the time-frequency position of the first preconfigured resource and the period of the first preconfigured resource.
  • the configuration information of the first preconfigured resource further includes second configuration information.
  • the foregoing network device sending the first configuration information and/or the second configuration information to the terminal may include: the network device sending the first configuration information to the terminal, and correspondingly, the terminal receiving the first configuration information from the network device.
  • the first configuration information is further used to indicate the timing duration of the first timer.
  • sending the first configuration information and/or the second configuration information from the network device to the terminal may include: the network device sends the first configuration information and the second configuration information to the terminal, and accordingly, the terminal receives the first configuration information and/or the second configuration information from the network device. second configuration information.
  • sending the first configuration information and/or the second configuration information by the network device to the terminal may include: the network device sending the second configuration information to the terminal, and correspondingly, the terminal receives the second configuration information from the network device. In this case, the terminal has been configured with the first preconfigured resource, and the second configuration information is used to indicate that the first timer is associated with the first preconfigured resource.
  • the periodic resources in the embodiments of the present application refer to: preconfigured resources that appear according to a preset period. For example, taking the preset period as period 1 and period 1 equal to 1 timeslot as an example, the first time domain position of preconfigured resource 1 is timeslot 1, then the symbol of preconfigured resource 1 in timeslot 2 for the second time 1 appears, and so on, until the preconfigured resource 1 becomes invalid.
  • the first configuration information and the second configuration information may be located in the same message (eg, an RRC message).
  • the first configuration information and the second configuration information are the same information.
  • the network device when the terminal is in a connected state (such as an RRC-connected state), the network device actively sends the first configuration information and/or the second configuration information to the terminal.
  • a connected state such as an RRC-connected state
  • the network device when the terminal is in the RRC-connected state, the network device sends the first configuration information and/or the second configuration information to the terminal based on a request of the terminal, which is not limited in this embodiment of the present application.
  • the network device configures the terminal with first preconfigured resources and/or a first timer based on the terminal's request, for example, the network device sends an RRC connection release message to the terminal, where the RRC connection release message includes the first preconfigured resource and/or a first timer. a configuration information and/or a second configuration information.
  • the RRC connection release message is used by the terminal to determine to enter the RRC-disconnected state from the RRC-connected state.
  • Step 802 The terminal determines the first preconfigured resource according to the first configuration information, and determines the timing duration of the first timer according to the second configuration information.
  • step 802 may be replaced by: the terminal determines the first preconfigured resource and the timing duration of the first timer according to the first configuration information.
  • step 802 may be replaced by: the terminal determines the timing duration of the first timer according to the second configuration information, and determines the preconfigured resource associated with the first timer as the first preconfigured resource.
  • the timing duration of the first timer is related to the period of the first preconfigured resource. For example, the timing duration of the first timer is greater than or equal to the period of the first preconfigured uplink resource.
  • the first timer is used to control the terminal's use of the first preconfigured resource. Different from dynamic scheduling resources, the terminal can reduce signaling overhead and data delay by sending data on preconfigured resources.
  • the network device sends the first configuration information to the terminal, but does not send the second configuration information.
  • the terminal may use the default duration as the timing duration of the first timer, or the terminal may independently determine the timing duration of the first timer, or the terminal and the network device may negotiate the default duration of the first timer in advance, or the terminal may determine the duration of the first timer according to the first timer.
  • the identifier of the first timer indicated in the configuration information determines the timing duration of the first timer from a preconfigured relationship.
  • the terminal has a relationship between timer 1 and timing duration T1, then if the terminal determines that the first timer is timer 1, the terminal determines that the timing duration of the first timer is T1.
  • only the first preconfigured resource may be configured without configuring the timing duration of the first timer, which is not limited in this embodiment of the present application.
  • the terminal may determine the timing duration of the first timer according to the second configuration information.
  • the second configuration information may be a field in the first configuration information indicating a timing duration.
  • the second configuration information may be information used to indicate the timing duration of the first timer.
  • the second configuration information is T1.
  • the terminal can select one or more sets of preconfigured resources according to the first timer.
  • the first preconfigured resource is determined in . For example, if the terminal has preconfigured resource 1 and preconfigured resource 2, if the first timer indicated by the second configuration information is timer 1, and the terminal pre-stores the association between timer 1 and preconfigured resource 1, or the network
  • the terminal may determine the preconfigured resource 1 as the first preconfigured resource according to the association relationship.
  • the network device may not configure the first preconfigured resource for the terminal, that is, the above steps 801 to 802 may be omitted.
  • Step 803 is then executed in the RRC-disconnected state.
  • Step 803 is the same as step 601 and will not be repeated here.
  • Step 804 The network device sends the first information and the second information to the terminal.
  • the terminal receives the first information and the second information from the network device.
  • the first information is used to indicate that the data to be transmitted is transmitted in a dynamic scheduling manner.
  • the second information is used to indicate the transmission resources allocated for the dynamic scheduling mode.
  • the transmission resource is the transmission resource dynamically allocated by the network device for the terminal.
  • step 804 may be replaced with: the network device sends the first information to the terminal, and correspondingly, the terminal receives the first information from the network device.
  • the first information is used to indicate the transmission mode of the data to be transmitted, and the first information is also used to indicate the transmission resource of the data to be transmitted.
  • the first information is used to indicate that the to-be-transmitted data is transmitted by the dynamic scheduling mode and is used to indicate the transmission resources allocated for the dynamic scheduling mode.
  • the first information is used to indicate the transmission mode of the data to be transmitted, and the first information is also used to indicate the transmission resource of the data to be transmitted, including: the first information is information in a first format, and the first format is used to indicate The transmission mode of the data to be transmitted.
  • the information in the first format carries a first field, and the first field is used to indicate the transmission resource of the data to be transmitted.
  • the information in the first format may be DCI dedicated to dynamic scheduling.
  • the first information and the second information may be carried in the DCI transmitted on the physical downlink control channel (Physical Downlink Control Channel, PDCCH) on which the network device schedules transmission resources.
  • PDCCH Physical Downlink Control Channel
  • the second information and the first information may be located in the scheduling information included in the DCI, or the first information and the second information are the scheduling information.
  • the first information is DCI
  • the second information is scheduling information in the DCI, which is not limited in this embodiment of the present application.
  • the network device carries the first information and the second information in different messages and sends them to the terminal.
  • step 804 in this embodiment of the present application or step 602 above may be implemented in the following manner: the terminal does not have preconfigured resources capable of transmitting data to be transmitted, that is, the network device determines that the terminal does not have available preconfigured resources. In the case of configuring resources, the first information and the second information are sent to the terminal.
  • the terminal that does not have preconfigured resources for transmitting data to be transmitted may include the following meanings:
  • one or more sets of preconfigured resources possessed by the terminal are shared resources, and the one or more sets of preconfigured uplink resources are all occupied by other terminals. Or part of the preconfigured resources in the one or more sets of preconfigured uplink resources are occupied by other terminals.
  • a terminal has 4 sets of pre-configured resources, for example: CG resource 1, CG resource 2, CG resource 3 and CG resource 4, the 4 sets of CG resources are shared by the terminal and other terminals, and among the 4 sets of CG resources For example, each set of CG resources is a periodic resource.
  • each set of CG resources is a periodic resource.
  • the terminal adopts the random access method in step 803 or the terminal uses the CG resource 1 located at the time domain position 1 to send the first small packet of data to the network device, and After the network device receives the first small packet of data, it is determined that the terminal still has data to be transmitted.
  • the network device determines that CG resource 1, CG resource 2 to CG resource 4, or CG resource 2 to CG resource 4 located in other time domain positions are all occupied by other terminals. In order to prevent the terminal from transmitting subsequent data on the occupied CG resources, As a result, the data transmission fails, and the network device determines that the subsequent data transmission of the terminal is scheduled in a dynamic scheduling manner.
  • the network device when the terminal is in the RRC-connected state or the terminal enters the RRC-disconnected state from the RRC-connected state, the network device does not configure preconfigured resources for the terminal.
  • the terminal has preconfigured resources, the preconfigured resources cannot be used to transmit the data to be transmitted.
  • the preconfigured resource is configured for special transmission of data other than the data to be transmitted.
  • step 804 or the above-mentioned step 602 in this embodiment of the present application may be implemented in the following manner: the network device determines that the terminal will not use the preconfigured resources to transmit data to be transmitted subsequently, and the network device sends the first data to the terminal. information and second information, or send the first information. In this case, even if the terminal has preconfigured resources, no matter whether the preconfigured resources are shared resources or not, if the network device expects the terminal to subsequently transmit data to be transmitted in other ways than the preconfigured resources, step 804 is performed.
  • the method provided by this embodiment of the present application may further include:
  • Step 805 when the terminal receives the first information, starts the first timer. During the running process of the first timer, the terminal stops using the first preconfigured resource to transmit the data to be transmitted.
  • the first preconfigured resource is a shared resource, or the first preconfigured resource is a non-shared resource. It can be understood that the above-mentioned first timer is associated with the first preconfigured resource.
  • the first preconfigured resource is a shared resource means that the first preconfigured resource can be used by the terminal and other terminals to transmit data on the first preconfigured uplink resource.
  • the fact that the first preconfigured resource is a non-shared resource means that the first preconfigured resource is individually configured for the terminal, and terminals other than the terminal cannot transmit data on the first preconfigured resource.
  • the first timer is a timer associated with the first preconfigured uplink resource.
  • the first timer may be a preconfigured authorization timer (configuredGrantTimer), the terminal starts the configuredGrantTimer, and the configuredGrantTimer starts to count down.
  • ConfiguredGrantTimer preconfigured authorization timer
  • the terminal may transmit data on the first preconfigured resource.
  • step 603 in this embodiment of the present application may be implemented by step 806:
  • Step 806 The terminal sends the data to be transmitted to the network device on the dynamically allocated transmission resources according to the dynamic scheduling method.
  • the network device receives the data to be transmitted from the terminal on the transmission resource allocated for the terminal.
  • the method provided by the embodiment of the present application may further include:
  • Step 807 The network device sends the third configuration information to the terminal, and accordingly, the terminal receives the third configuration information from the network device.
  • the third configuration information is used to indicate the timing for updating the first timer.
  • the third configuration information is carried in an RRC release message (RRCRelease).
  • the RRC release message may be the RRC connection release message in the solution shown in FIG. 5a, or the RRC message used in the solution shown in FIG. 5b, or other corresponding messages may be sent in other cases.
  • This step 807 may be located after step 806, that is, after the terminal sends the data to be transmitted, the network device sends the third configuration information to the terminal.
  • This step 807 may also be located before step 805, that is, before the terminal sends the data to be transmitted, the network device sends the third configuration information to the terminal.
  • the method provided by this embodiment of the present application may further include: the network device sends an indication message to the terminal, where the indication message is used to indicate that the network device correctly receives the to-be-transmitted data.
  • the network device can send the first preconfigured resource to the terminal before the time domain location of the first preconfigured resource. at least one of a message and a second message.
  • the time domain location where the first preconfigured resource is located may refer to a time domain location in a set of first preconfigured resources that can be used for sending the data to be transmitted earliest after the terminal sends the first small packet of data.
  • the network device may send the first information and the second information to the terminal before the time domain position 1 at least one of.
  • the network device may send the first data to the terminal before the time domain position 2. at least one of a message and a second message.
  • the network device explicitly indicates that the terminal transmission mode is the dynamic scheduling transmission mode (that is, the network device sends the first information and the second information to the terminal) as:
  • the network device may also implicitly indicate that the terminal transmission mode is the dynamic scheduling transmission mode.
  • the network device may not send the first information but send the second information, that is, the above step 804 may be replaced by the following manner: the network device sends the second information to the terminal. In this way, after receiving the dynamically scheduled transmission resource indicated by the network device using the second information, the terminal can determine that the network device instructs the terminal to transmit the data to be transmitted in the dynamically scheduled transmission manner.
  • the terminal may simultaneously report the auxiliary information.
  • the network device may indicate, according to the auxiliary information, information of preconfigured resources used by other subsequent data to be transmitted or information of DG resources or a transmission method.
  • the terminal can subsequently transmit the data to be transmitted by dynamic scheduling according to the instructions of the network device.
  • the terminal can still transmit the data to be transmitted in a dynamic scheduling manner according to the instruction of the network device, which is not limited in this embodiment of the present application.
  • the terminal transmits the data to be transmitted by using a preconfigured resource mode
  • the preconfigured resource mode is, for example, using a preconfigured periodic resource to transmit the data to be transmitted.
  • the method includes:
  • Steps 1001 to 1003 are the same as steps 801 to 803, and will not be repeated here.
  • step 602 can be implemented by step 1004:
  • Step 1004 The network device determines that the terminal has preconfigured resources capable of transmitting the data to be transmitted, and the network device sends the first information and the second information to the terminal. Correspondingly, the terminal receives the first information and the second information from the network device.
  • the transmission mode indicated by the first information is to transmit the data to be transmitted by using a preconfigured resource mode.
  • the second information is used by the terminal to determine to use the target preconfigured resource in the preconfigured resources of the terminal as the transmission resource.
  • the network device when the network device explicitly indicates that the transmission mode is the preconfigured resource mode to transmit the data to be transmitted, the network device may send the first information and the second information to the terminal.
  • the network device may send the second information to the terminal instead of the first information, that is, the first information may be omitted.
  • the network device can also send the first information to the terminal.
  • the terminal can determine that the network device instructs the terminal to send the The first preconfigured resource after that is used as a transmission resource.
  • the network device receives After the first small packet of data, the first information can be used to indicate to the terminal that the transmission mode is the preconfigured resource to transmit the to-be-transmitted data, and the CG resource 1 after 2 or 3 cycles is used to send the to-be-transmitted data to the network device.
  • preconfigured resources capable of transmitting data to be transmitted in a terminal may refer to: the preconfigured resources of the terminal are not occupied by other terminals, or the preconfigured resources of the terminal are used solely by the terminal.
  • the target preconfigured resource in case 2) may be the first one or more cycles after the moment when the first small packet of data is sent.
  • the preconfigured resources in other words, the preconfigured resources for sending the first small packet data and the preconfigured resources for sending the data to be transmitted are the first preconfigured resources located in different time domain positions. For example, as shown in (c) of FIG. 11 , the terminal uses the CG resource 1 that appears for the first time in the time domain position 1 to send the first small packet of data, and the subsequent terminal can use the CG resource 1 that appears for the second time in the time domain position 2. Resource 1 sends data to be transmitted.
  • the terminal uses the first preconfigured resource to send the first small packet of data, or the terminal uses message 3 or message A in the random access process to send the first small packet of data, or the terminal uses dynamic scheduling for transmission
  • the target preconfigured resource may be the second preconfigured resource.
  • the second preconfigured resource and the first preconfigured resource belong to different sets of preconfigured resources. For example, as shown in (c) of FIG. 11 , the terminal uses CG resource 1 located at time domain position 1 to send the first small packet of data, and subsequent terminals can use CG resource 3 located at time domain position 3 to send data to be transmitted.
  • the terminal has multiple sets of CG resources (for example, as shown in (a) and (b) in FIG. 11 ), if the priority of using CG resources to transmit data is the highest, the It includes CG resource 1, CG resource 2, CG resource 3, and CG resource 4.
  • CG resource 1 to CG resource 4 are periodic resources.
  • the network device can use the second information to indicate that the CG resource 1 is used as the transmission resource, that is, to indicate that the terminal can use the CG resource 1 for subsequent data transmission.
  • the network device can use the second information to indicate that the CG resource 1 is used as the transmission resource, that is, to indicate that the terminal can use the CG resource 1 for subsequent data transmission.
  • both CG resource 2 and CG resource 4 are occupied by other terminals, and the network device may send the second information, indicating that the terminal can use CG resource 1 or CG resource 3 for subsequent data transmission. , that is, the terminal can select one or more resources from CG resource 1 or CG resource 3 as transmission resources to transmit data to be transmitted.
  • the second information and the first information may be carried in the same message.
  • the second information and the first information can be carried in any one of the RRC message/media access control layer (Medium access control, MAC) control element CE (control element, CE)/DCI, and the following will be introduced respectively:
  • RRC message/media access control layer Medium access control, MAC
  • CE control element, CE/DCI
  • the first information element (Information element, IE) may be carried in the RRC message.
  • the meaning of the first IE may be: indicating to the terminal that the transmission mode is the preconfigured resource mode to transmit the data to be transmitted, and indicating the transmission resource. Or the meaning of the first IE may be to indicate to the terminal to use the target preconfigured resource as the resource to be transmitted.
  • the first IE in the RRC message in the embodiment of the present application is an optional IE.
  • the first IE includes a first bit part and a second bit part.
  • the first bit part is the above-mentioned first information
  • the second bit part is the above-mentioned second information.
  • the first bit part indicates that the to-be-transmitted data is specifically transmitted in a preconfigured resource manner.
  • the second bit part indicates that the specific transmission resource of the scheme is specifically used.
  • the first IE when the network device explicitly indicates that the transmission mode is the preconfigured resource mode to transmit the data to be transmitted, at this time, the first IE includes a first bit part and a second bit part. If the network device implicitly indicates that the transmission mode is the preconfigured resource mode to transmit the data to be transmitted, at this time, the first IE may include the second bit part but not the first bit part, that is, the first information may be omitted. Both the first bit part and the second bit part in this embodiment of the present application may include one or more bits. For example, taking the first bit part including 2 bits indicating a specific scheme as an example, then as shown in Table 2:
  • the terminal can determine according to the first information that the network device instructs the terminal to transmit the data to be transmitted by means of preconfigured resources.
  • the terminal may be configured with Table 3 or the network device sends Table 3 and the first information to the terminal, and then the first information indicates that the use of preconfigured resources to transmit data to be transmitted is in an enabled state, then the terminal can determine to use preconfigured resources to transmit data. data to be transmitted.
  • the first information is also used to indicate that other modes except the preconfigured resource mode are in a disabled state.
  • an indicator of 1 indicates that it is in an enabled state
  • an indicator of "0" indicates that it is in a non-enabled state.
  • the terminal can determine according to the first information to use the message 3 in the random access process for data transmission, use the message A in the random access process for data transmission, and Indicates that data transmission using the dynamic resource scheduling method is unavailable, but using the preconfigured resource method to transmit the data to be transmitted is available, that is, the terminal can determine that the network device instructs the terminal to use the preconfigured resource method to transmit the data to be transmitted.
  • the first information is an integer type, integer ⁇ first value, second value ⁇ , and the value of the first information may be the first value. Or the value of the first information may be the second value. The first value may be 1, and the second value may be 0. Or the first value is 0 and the second value is 1.
  • the value of the first information is the first value (take 0 as an example)
  • the terminal can determine that the network device instructs the terminal to use the preconfigured resources to transmit the data to be transmitted.
  • the value of the first information is the second value (take 1 as an example)
  • the first information is an enumeration type, enumerated ⁇ true,false ⁇
  • the value of the first information is false, indicating that the preconfigured resource is available
  • the terminal can determine that the network device instructs the terminal to use The data to be transmitted is transmitted in the preconfigured resource mode.
  • the value of the first information is true, it indicates that the preconfigured resource is unavailable, that is, the network device indicates to the terminal that the preconfigured resource is unavailable to transmit the data to be transmitted by using the preconfigured resource.
  • the terminal can determine that the network device instructs the terminal to use the preconfigured resources to transmit the data to be transmitted.
  • the value of the first information is false, it indicates that the preconfigured resource is unavailable, that is, the network device indicates to the terminal that the preconfigured resource is unavailable to transmit the data to be transmitted by using the preconfigured resource.
  • the first IE when the first IE is carried in the RRC message, it indicates that the terminal has no preconfigured resources for transmitting the data to be transmitted and needs to initiate random access to transmit the data to be transmitted. When the first IE is not carried in the RRC message, it indicates that the terminal can transmit the data to be transmitted through the preconfigured resources. Alternatively, when the first IE is not carried in the RRC message, it indicates that the terminal has no preconfigured resources for transmitting the data to be transmitted and needs to initiate random access to transmit the data to be transmitted. When the first IE is carried in the RRC message, it indicates that the terminal can transmit the data to be transmitted through the preconfigured resources.
  • the second information is used to indicate the information of the target preconfigured resource.
  • the information of the target preconfigured resource may be the time-frequency position of the target preconfigured resource or the identifier of the target preconfigured resource, or other information that can be used to identify the target preconfigured resource, which is not limited in this embodiment of the present application.
  • the second information may be the identifier of the CG resource 8 and the identifier of the CG resource 5 .
  • the terminal can be configured with 8 sets of CG resources at most
  • 3 bits can be used to indicate which set is available.
  • 3bit+3bit can be used to indicate which two sets are available. For example, as shown in Table 4:
  • the second information may be "111".
  • the second information may be "111" and "100".
  • the second information includes at least one bit associated with each set of preconfigured resources in one or more sets of preconfigured resources of the terminal, and at least one bit associated with any set of preconfigured resources is used to indicate the preconfigured resources it's usable or not.
  • the one or more sets of preconfigured resources are all periodic resources, or the one or more sets of preconfigured resources include at least one set of aperiodic resources.
  • the second information is a plurality of bits, each bit of the plurality of bits is associated with a set of CG resources, and the indicator of any one bit is a "first indicator" indicating that the CG resource associated with the bit is available. If the indicator of any bit is "second indicator", it means that the CG resource associated with this bit is unavailable.
  • the first indicator may be 1 and the second indicator may be 0.
  • the second information includes 8 bits. Taking the second information as "10000011" as an example, the second information is used to indicate to the terminal the CG resource 1 associated with the first bit. Available, the CG resource 7 associated with the seventh bit is available, and the CG resource 8 associated with the eighth bit is available, while the remaining CG resources are unavailable.
  • the two or more CG resources may be associated with the same indication information.
  • the terminal can determine two or more CG resources associated with the same indication information as available resources.
  • CG resource 3 and CG resource 4 are both associated with indication information "1", but in Table 5-1, CG resource 3 and CG resource 4 are each associated with one indication information , and in Table 5-2, CG resource 3 and CG resource 4 are associated with the same indication information. Therefore, combining Table 5-1 and Table 5-2, the terminal can determine that CG resource 3 and CG resource 4 can be used for The transmission resource for transmitting the data to be transmitted.
  • the network device can omit the indication that CG resource 1 and CG resource 2 are unavailable to the terminal, that is, Table 5 -1 and the rows of CG resource 1 and CG resource 2 in Table 5-2 can be omitted.
  • the first information may include ⁇ identity of CG resource 3, identity of CG resource 4, 1 ⁇ .
  • the second information indicates information of unavailable preconfigured resources in one or more sets of preconfigured resources of the terminal. For example, if the terminal has CG resource 1 and CG resource 2, and the second information indicates that CG resource 2 is unavailable, the terminal can determine to use CG resource 1 as a transmission resource for transmitting data to be transmitted.
  • the network device may send the first information to the terminal in step 1004 without sending the second information, that is, the second information may be omitted, so that the terminal determines according to the first information that the transmission mode is:
  • the transmission is performed in a pre-configured manner, it may be determined to select a set of pre-configured resources from one or more sets of pre-configured resources as transmission resources for transmitting data to be transmitted.
  • Example 1-2 When the message carrying the first information and the second information is a MAC CE: a first MAC CE with an LCID value can be defined, where the LCID can represent the function of each MAC CE, and the MAC CEs of different functions are specific. LCID with different values. Specifically, the above-mentioned first information and second information may be represented by a subheader (subheader) of the first MAC CE, or represented by the first MAC CE.
  • subheader subheader
  • Figure 12 is a schematic diagram of the MAC CE subheader, R is a reserved bit, F indicates the length of the subsequent transmission (subsequent indication) (F takes 0 for 8 bits or F takes 1 for 16 bits), LCID indicates the function of the MAC CE,
  • the subsequent indication is the above-mentioned first information and second information.
  • the first information and the second information included in the MAC CE are similar to those in the above example 1-1, and are not repeated here.
  • Example 1-3 when the message carrying the first information and the second information is DCI: a new DCI format (format) can be defined or the above-mentioned first information and second information can be added to the existing DCI format.
  • a new DCI format format
  • the above-mentioned first information and second information can be added to the existing DCI format.
  • step 603 can be implemented by step 1005:
  • Step 1005 the terminal sends the data to be transmitted to the network device on the target preconfigured resource in a preconfigured resource manner.
  • the network device receives the data to be transmitted from the terminal on the target preconfigured resource.
  • the transmission resource (for example: target pre-configured resource) indicated by the network device to the terminal may be one or more sets. If the target pre-configured resource indicated by the network device to the terminal is CG resource 1, then the terminal can Data to be transmitted is sent to the network device on resource 1. If there are multiple sets of target pre-configured resources indicated by the network device to the terminal, the terminal may select one set of CG resources for transmitting the data to be transmitted. For example, the terminal selects the CG resource with the highest priority from multiple sets of CG resources to transmit the data to be transmitted. For example, the terminal selects one set of the data to be transmitted to transmit the data to be transmitted. For example, the terminal selects a CG resource with better quality according to the quality of multiple sets of CG resources to transmit the data to be transmitted.
  • the terminal selects a CG resource with better quality according to the quality of multiple sets of CG resources to transmit the data to be transmitted.
  • the method provided by this embodiment of the present application may further include:
  • Step 1006 The network device sends a message to the terminal, and the terminal receives the message from the network device. This message is used to indicate that the network device successfully receives the data to be transmitted. Or used to indicate that the above-mentioned transmission process of the data to be transmitted has been completed.
  • Step 1004 in FIG. 10 above takes the network device explicitly instructing the terminal to use preconfigured resources to transmit data to be transmitted as an example.
  • the network device may also implicitly instruct the terminal to use preconfigured resources to transmit data to be transmitted.
  • step 1004 can be replaced by the following manner: there is a resource capable of transmitting the data to be transmitted in the preconfigured resources of the terminal, and the network device sends the second information to the terminal.
  • the content of the second information reference may be made to the descriptions in Example 1-1 to Example 1-3 above, and details are not repeated here.
  • the network device may also send the first information to the terminal without sending the second information.
  • the first information in addition to indicating that the transmission mode is to use preconfigured resources to transmit the data to be transmitted, the first information also uses Information indicating the target transmission resource.
  • the first information is represented by the first IE and the second IE carried in the RRC message, DCI or MAC CE.
  • the first IE is used to indicate that the preconfigured resource is used to transmit the data to be transmitted.
  • the second IE is used to indicate the information of the target transmission resource. For example, if the first IE is 2 bits, the first bit may be 00 as shown in Table 2.
  • the second IE may be 001 as shown in Table 4, to indicate that the target preconfigured resource is CG resource 2. It is worth noting that, if the network device implicitly indicates that the transmission mode of the terminal is to use preconfigured resources to transmit the data to be transmitted, the first IE may be omitted, that is, the first IE is optional at this time. Or if the network device does not indicate the information of the target transmission resource, the second IE may be omitted, that is, the second IE is optional at this time. Or both the first IE and the second IE are optional.
  • the network device may also send the first information to the terminal without sending the second information.
  • the terminal may select one preset from multiple sets of preconfigured resources possessed by the terminal according to the first information. Configure the resource as the target preconfigured resource.
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is determined by the time and the offset value when the terminal receives the feedback information from the network device.
  • the feedback information is used to indicate that the network device successfully receives the first small packet of data. This moment is before the first point in time.
  • the terminal sends the first small packet of data to the network device on the CG resource 1, and the terminal receives the feedback information sent by the network device at time 1, and the feedback information is used to indicate that it has successfully received data from the terminal.
  • the first packet of data can determine the first time point T1 according to time 1 and the gap shown in FIG. 15b. As shown in FIG.
  • the CG resource 1 located at time domain position 4 is located after T1, while the CG resource 1 located at time domain position 3 is located before T1 or is parallel with T1 in time domain time, that is, for the terminal, the CG resource 1 is located in the time domain.
  • Resource 1 may be invalid at time domain position 3, then the terminal may select CG resource 1 at time domain position 4 as the target CG resource.
  • the gap here is the time for the terminal to perform corresponding processing, such as decoding feedback information, packet grouping, and so on.
  • the network device sends one or more of the first information and the second information to the terminal, so that after the first small packet of data is sent, if the terminal still has data to be transmitted, the terminal uses One or more of the first information and the second information indicate to the terminal the target preconfigured resources used for subsequent data transmission, which ensures the reliability of the data to be transmitted subsequently.
  • the terminal can subsequently use the pre-configured resources according to the instructions of the network device. way to transmit the data to be transmitted. This embodiment of the present application does not limit this.
  • the terminal determines to transmit the data to be transmitted by initiating random access.
  • FIG. 13 shows a method for indicating data transmission provided by an embodiment of the present application, and the method includes:
  • Steps 1301 to 1303 are the same as the descriptions of steps 801 to 803, and are not repeated here.
  • steps 1301 to 1302 are optional steps, that is, the process of configuring preconfigured resources for the terminal can be omitted.
  • Step 1304 The network device sends the first information to the terminal.
  • the terminal receives the first information from the network device.
  • the first information may be carried in the second message.
  • the second message may be one of DCI, RRC message or MAC CE.
  • the first information is one of DCI, RRC message or MAC CE.
  • step 1304 provided in this embodiment of the present application may be replaced by the following manner: the network device sends the first information and the second information to the terminal.
  • the second information is used to indicate the information of the transmission resource used for sending the data to be transmitted in the random access process.
  • the first information and the second information may be the same information, or the first information and the second information may be carried in the same message, or carried in different messages, which are not limited in this embodiment of the present application.
  • the first information provided in this embodiment of the present application is also used to indicate transmission resources.
  • the first information includes a resource indication field and a transmission mode indication field.
  • the transmission mode indication field indicates that the transmission mode is to transmit the data to be transmitted by initiating random access.
  • the resource indication field is used to indicate the information of the transmission resource used for sending the data to be transmitted in the random access procedure.
  • Step 1305 The terminal sends the data to be transmitted to the network device by initiating a random access process.
  • the network device receives the data to be transmitted from the terminal during the random access process.
  • Example 3-1 Taking the first information carried in the RRC message as an example, the first IE in the RRC message may be used as the first information.
  • the first IE is an optional IE in the RRC message.
  • the first information is used to indicate that the data to be transmitted is transmitted by initiating a random access procedure.
  • the content of the first information is as follows:
  • the first IE is an integer type, integer ⁇ third value, fourth value ⁇ , and the value of the first IE may be the third value. Or the value of the first IE may be the fourth value. The third value may be 1, and the fourth value may be 0. Or the third value is 0 and the fourth value is 1.
  • the value of the first IE is the third value (take 1 as an example)
  • the value of the first IE is a fourth value (take 0 as an example) it indicates that the terminal has preconfigured resources capable of transmitting data to be transmitted or that the preconfigured resources of the terminal are available.
  • the first IE is an enumerated (enumerated) type, enumerated ⁇ true,false ⁇ .
  • the value of the first IE is true, indicating that the terminal does not have preconfigured resources capable of transmitting the data to be transmitted and needs to initiate random access to transmit the data to be transmitted.
  • the value of the first IE being false indicates that the terminal has preconfigured resources capable of transmitting data to be transmitted or that the preconfigured resources of the terminal are available.
  • the first IE is an enumerated type, enumerated ⁇ true,false ⁇ .
  • the value of the first IE being false indicates that the terminal does not have preconfigured resources capable of transmitting the data to be transmitted and needs to initiate random access to transmit the data to be transmitted.
  • the value of the first IE being true indicates that the terminal has preconfigured resources capable of transmitting data to be transmitted or that the preconfigured resources of the terminal are available.
  • the RRC message when the RRC message carries the first IE, it indicates that the terminal does not have preconfigured resources capable of transmitting the data to be transmitted and needs to initiate random access to transmit the to-be-transmitted data.
  • the first IE when the first IE is not carried in the RRC message, it indicates that the terminal has preconfigured resources capable of transmitting the data to be transmitted.
  • the first IE when the first IE is not carried in the RRC message, it indicates that the terminal does not have preconfigured resources capable of transmitting the data to be transmitted and needs to initiate random access to transmit the data to be transmitted.
  • the first IE when the first IE is carried in the RRC message, it indicates that the terminal has preconfigured resources capable of transmitting data to be transmitted.
  • the first IE is used to implicitly instruct the terminal to transmit data to be transmitted by initiating random access. For example, if the first IE indicates that the terminal does not have preconfigured resources capable of transmitting the data to be transmitted, then the terminal may determine that the network device instructs the terminal to transmit the data to be transmitted by initiating random access after receiving the first IE.
  • the first IE may indicate that the terminal does not have preconfigured resources capable of transmitting data to be transmitted in the following manner: For example, the terminal has one or more sets of preconfigured resources, and at least one bit associated with each set of preconfigured resources is the first An indicator, or the set or sets of preconfigured resources are associated with the same first indicator.
  • the first indicator is used to indicate that the preconfigured resource is unavailable.
  • the first IE does not carry any information of preconfigured resources, then the terminal can determine that it does not have preconfigured resources capable of transmitting the data to be transmitted after receiving the first IE.
  • the first IE includes a first indication and a second indication.
  • the first indication is used to indicate that the terminal does not have preconfigured resources capable of transmitting the data to be transmitted.
  • the second indication is used to instruct initiating random access to transmit data to be transmitted.
  • the first indication may be true or "0".
  • the second indication may be "00".
  • the second indication may be another indication used to indicate that the data to be transmitted is transmitted by initiating random access, which is not limited in this embodiment of the present application.
  • the first IE may be multiple bits based on the above design.
  • the first IE includes a first bit portion and a second bit portion.
  • the first bit part is used to instruct the terminal to determine to initiate random access to transmit data to be transmitted.
  • the second bit part of the plurality of bits is used to indicate that the type of random access is 4-step RA or 2-step RA.
  • the first bit portion may be "00" or "01" as shown in Table 2 above.
  • the first bit part can be as shown in Table 6:
  • the terminal can determine, according to the first information, that the use of the message 3 in the random access process for data transmission and the use of the message A in the random access process for data transmission are available ( 1), and the use of preconfigured resources to transmit data to be transmitted or the use of dynamic resource scheduling for data transmission is not available, that is, the terminal can determine that the network device instructs the terminal to use message 3 in the random access process to transmit data and use random access.
  • the message A in the process performs data transmission.
  • the first IE may only include a first bit part, where the first bit part is used to determine that the terminal uses the message 3 in the random access process for data transmission, and the random access type is 4-step random access.
  • the first bit part is used to determine that the terminal uses the message 3 in the random access process for data transmission
  • the random access type is 4-step random access.
  • the first IE indicates that the terminal performs data transmission by initiating random access
  • the first bit part included in the first IE is "00". In this way, the terminal can determine to initiate random access to transmit data to be transmitted, and the random access type is 4-step random access.
  • first IE including the first bit part and the second bit part as an example, as shown in Table 8:
  • the first bit part in Table 8 is “1”, indicating that the terminal does not have preconfigured resources capable of transmitting data to be transmitted and needs to initiate random access to transmit data to be transmitted.
  • the second bit part is "00”, indicating that the random access type is four-step random access, then the terminal can determine the method of initiating random access to transmit the data to be transmitted through Table 8, and determine the type of random access initiated. It is a four-step random access.
  • the first information includes a first IE and a second IE.
  • the first IE is used to indicate that the data to be transmitted is transmitted by initiating random access.
  • the second IE is used to indicate the random access type of the random access procedure initiated by the terminal.
  • the second IE includes at least one bit.
  • the first IE includes at least one bit.
  • Table 9 shows the content of the first information by taking the second IE and the first IE both including one bit as an example:
  • the first IE in Table 9 is "1", indicating that the terminal does not have preconfigured resources capable of transmitting data to be transmitted and needs to initiate random access to transmit data to be transmitted.
  • the second IE being "0" indicates that the random access type is four-step random access.
  • step 1305 in case 3) can be implemented in the following manner: the terminal sends the data to be transmitted to the network device through the random access resource broadcast by the network device during the random access process.
  • step 1305 can be implemented in the following manner: the terminal sends the transmission resource to the The network device sends the data to be transmitted.
  • the third IE may indicate the relevant resources of the preamble in the CFRA, or may indicate the Msg3 Or MsgA sends the specific resources used by the data to be transmitted, these resources may be broadcast by the base station in the broadcast message, or pre-configured by the network device for the terminal.
  • the third IE indicates the preamble in the CFRA and the relevant resources for sending the preamble, and can also indicate the specific resources used by the MsgA. These resources can be broadcast by the network equipment in the broadcast message. Or pre-configured for network equipment and terminals.
  • the first IE and the third IE can also be represented by the first bit part and the second bit part.
  • the first bit part may be "00" to indicate that the transmission mode is 00-Msg3, or the first bit part may be "01" to indicate MsgA.
  • the second bit part can indicate the relevant resources of the preamble in CFRA, and can also indicate the specific resources used by Msg3. These resources can be broadcast by the base station in the broadcast message.
  • the second bit part can indicate the preamble in CFRA and the related resources for sending the preamble, or it can indicate the specific resources used by MsgA to send small packet data. These resources can come from the base station in the broadcast message. Broadcast, or pre-configured for network equipment and terminals.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to indicate the resource for sending the random access preamble and the resource for sending the data to be transmitted.
  • Step 1305 may be implemented in the following manner: the terminal sends the random access preamble through the resource for sending the random access preamble indicated by the second information during the random access process. and sending the data to be transmitted to the network device through the resource for sending the data to be transmitted indicated by the second information.
  • the first information is used to instruct the terminal to transmit the data to be transmitted by initiating a random access procedure
  • the second information is used to indicate the resource for sending the data to be transmitted.
  • Step 1305 may be implemented in the following manner: the terminal sends the random access preamble through the random access resource broadcast by the network device during the random access process, and sends the to-be-transmitted data to the network device through the resource for sending the data to be transmitted indicated by the second information.
  • the random access resource may be a specific time-frequency resource (for example, a physical random access channel (Physical Random Access Channel, PRACH)) broadcast by the network device in a broadcast message for sending a random access preamble.
  • PRACH Physical Random Access Channel
  • the network device may also implicitly instruct the terminal to transmit the data to be transmitted by initiating a random access procedure.
  • the network device sends the second information to the terminal without sending the first information.
  • the second information may indicate the relevant resources of the preamble in the CFRA, and may also indicate the specific resources used by msg3/msgA, and these resources may be broadcast by the base station in the broadcast message. In this way, after receiving the second information, the terminal can determine that the network device instructs the terminal to transmit subsequent data to be transmitted by initiating random access.
  • Example 3-2 the first information and the second information are carried in the MAC CE.
  • the content of the first information and the second information may refer to the description in the foregoing Example 3-1, and details are not repeated here.
  • Example 3-3 When the first information and the second information are carried in the DCI: a new DCI format (format) may be defined or the above-mentioned first information and second information may be added to the existing DCI format.
  • the first information and the second information included in the DCI are similar to the above, and are not repeated here.
  • Step 1306 The network device indicates to the terminal that the transmission of the data to be transmitted has been completed.
  • the network device controls the data to be transmitted by sending the first information and the second information to the terminal using message 3 or message A in the random access process.
  • the terminal uses the pre-configured resource to transmit the data to be transmitted and the data transmission fails, thereby ensuring the reliability of subsequent data transmission and improving the data transmission quality of the terminal.
  • the network device does not wish to receive the data to be transmitted on the preconfigured resources of the terminal, it can control the transmission of message 3 or message A of the data to be transmitted to the network device in the random access process by initiating random access.
  • the network device may use the first information to instruct the terminal to use other transmission modes except the preconfigured resource transmission mode. For example, the network device instructs the terminal to initiate a random access procedure or to adopt a dynamic scheduling method.
  • the second information is also used to indicate the transmission resource corresponding to the dynamic scheduling manner. Or the second information is used to indicate the transmission resource for the random access process to transmit the data to be transmitted.
  • the terminal can follow the instructions of the network device to adopt random access. way to transmit the data to be transmitted. This embodiment of the present application does not limit this.
  • the terminal may also determine the transmission resource by using the following steps 1401 to 1403 .
  • the terminal may also determine the transmission resource through the following steps 1401 to 1403 .
  • FIG. 14 shows a data transmission method provided by an embodiment of the present application, and the method includes:
  • Step 1401 The terminal sends the first small packet of data to the network device.
  • the network device receives the first packet of data from the terminal.
  • the terminal determines that it has data to be transmitted.
  • the terminal is in a disconnected state (eg, RRC-disconnected state).
  • Determining that the terminal has data to be transmitted can be implemented in the following manner: one case is that the terminal cuts the data packet, including: the first small packet of data and the data to be transmitted. Another situation is: the buffer of the terminal is not empty.
  • step 1401 further includes: the terminal sends the first message to the network device.
  • the first message is used to indicate that the terminal has subsequent data to be transmitted.
  • step 1401 For the description of step 1401 and the data to be transmitted, reference may be made to the description at step 601 above, and details are not repeated here.
  • the terminal sending the first small packet of data to the network device may be replaced by the terminal sending third data to the network device, and the third data may be small packet data, non-small packet data, large packet data, etc.
  • Step 1402 The terminal determines a target preconfigured resource from one or more sets of preconfigured resources of the terminal according to the resource corresponding to the first packet data.
  • the target preconfigured resource is used to transmit data to be transmitted when the terminal is in a disconnected state (eg, RRC-disconnected state).
  • the terminal has one or more sets of preconfigured resources.
  • the target preconfigured resource is a preconfigured resource in the one or more sets of preconfigured resources.
  • the one or more sets of preconfigured resources may be individually configured for the terminal, or the one or more sets of preconfigured resources may be shared by the terminal and other terminals, which is not limited in this embodiment of the present application.
  • the one or more sets of preconfigured resources are configured for the terminal by the network device when the terminal is in the RRC_CONNECTED state (also referred to as the connected state) or when the terminal is about to enter the RRC-disconnected state from the RRC_CONNECTED state.
  • the one or more sets of preconfigured resources can not only be used to send data to the network device when the terminal is in the RRC_CONNECTED state, but also can be used to send data when the terminal is in the RRC-disconnected state.
  • the one or more sets of preconfigured resources are only used for sending data when the terminal is in the RRC-disconnected state, which is not limited in this embodiment of the present application.
  • step 1402 For the specific implementation of step 1402, reference may be made to the descriptions in the following Example 4-1 to Example 4-4, which will not be repeated here.
  • Step 1403 The terminal sends the data to be transmitted to the network device on the target preconfigured resource.
  • the network device receives the data to be transmitted from the terminal on the target preconfigured resource.
  • the terminal may further indicate to the network device that it still has data transmission requirements.
  • An embodiment of the present application provides a data transmission method, in which a terminal sends a first small packet of data to a network device through a first resource in a radio resource control RRC-disconnected state, wherein the terminal has data to be transmitted subsequently. Afterwards, the terminal may determine the target preconfigured resource from one or more sets of preconfigured resources according to the resource corresponding to the first packet data.
  • the network device can more easily determine the target CG resource to which the terminal sends the data to be transmitted subsequently according to the resource corresponding to the first small packet data, thereby reducing the blind detection of the network device.
  • Example 4-1 The resource corresponding to the first small packet of data is the random access preamble used in the random access process for sending the first small packet of data or the resource for sending the random access preamble.
  • the resources for sending the random access preamble may be PRACH occasions (occasions).
  • step 1402 in this embodiment of the present application can be implemented by any one of the following options1 to option2:
  • option1 includes the following steps 1 and 2.
  • Step 1 The terminal determines the association relationship.
  • the association relationship includes at least: the association relationship between the random access preamble and the first preconfigured resource.
  • the association relationship includes at least an association relationship between the resource for sending the random access preamble and the first preconfigured resource.
  • Random access preamble identifier Preconfigured resources random access preamble 1 Preconfigured Resource 1 random access preamble 2 Preconfigured Resource 2 random access preamble 3 Preconfigured Resources 4 random access preamble 4 Preconfigured Resource 3
  • the terminal may determine to use the preconfigured resource 1 as the target preconfigured resource. If the random access preamble used by the terminal in the process of sending the first small packet of data is the random access preamble 3, the terminal may determine to use the preconfigured resource 4 as the target preconfigured resource.
  • PRACH logo Preconfigured resources PRACH 1 Preconfigured Resource 1 PRACH 2 Preconfigured Resource 2 PRACH 3 Preconfigured Resources 4 PRACH 4 Preconfigured Resource 3
  • the terminal may determine to use the preconfigured resource 2 as the target preconfigured resource.
  • Table 10-1 and Table 10-2 are examples of the association between the resources for implementing the pre-configured resources and the random access preamble, or the resources for implementing the random access preamble sent by the pre-configured resources and the pre-configured resources. .
  • the determination of the association relationship by the terminal may be implemented in the following manner: the association relationship is pre-stored in the terminal.
  • the determination of the association relationship by the terminal may be implemented in the following manner: the network device sends a first message (for example, an RRC message) to the terminal, and the terminal receives the first message from the network device.
  • the association relationship is included in the RRC message.
  • the first message is an RRC reconfiguration message, an RRC release message, or a broadcast message in the RRC message
  • the network device indicates to the terminal a random access preamble associated with the preconfigured resource at the same time or after configuring the preconfigured resource for the terminal. resource, or indicates the random access preamble associated with the preconfigured resource.
  • the network device configures the CG resource for the terminal, the network device configures the preamble associated with the CG resource, or the network device configures the resource associated with the CG resource for sending the preamble, such as PRACH occasions.
  • the preambleIndex in Table 11 is the random access preamble index, which is used to determine the preamble.
  • CG resource may be associated with multiple preambles or PRACH occasions
  • CG resources and preambles as shown in Table 12:
  • the PreambleIndexList SEQUENCE in Table 12 means one or more preambles.
  • the network device can use the first message to indicate to the terminal preconfigured resource 1 and random access preamble 1 and 3.
  • Random access preamble 2 is associated
  • preconfigured resource 2 is indicated to be associated with random access preamble 2
  • preconfigured resource 3 is indicated to be associated with random access preamble 3.
  • one or more sets of preconfigured resources configured by the network device for the terminal include preconfigured resource 1, preconfigured resource 2, preconfigured resource 3, and preconfigured resource 4, then the network device can use
  • the first message indicates to the terminal that preconfigured resource 1 is associated with resource a, preconfigured resource 3 is associated with resource a, preconfigured resource 2 is associated with resource b, and indicates that preconfigured resource 4 is associated with resource c.
  • the first message is an RRC configuration message or a broadcast message in the RRC message, wherein the RRC configuration message is used by the network device to configure the CFRA-related random access configuration for the terminal, and the broadcast message is used by the network device to broadcast the CBRA-related random access configuration to the terminal. random access configuration.
  • the network device indicates to the terminal the preconfigured resources associated with the random access preamble or the preconfigured resources associated with the resources of the random access preamble while or after sending the random access configuration related to the CFRA or CBRA.
  • the resources of the random access preamble may be PRACH occasions.
  • Step 2 The terminal determines the first preconfigured resource in one or more sets of preconfigured resources as the target preconfigured resource according to the random access preamble and the association between the random access preamble and the first preconfigured resource. Alternatively, the terminal determines the first preconfigured resource in one or more sets of preconfigured resources as Target preconfigured resources.
  • the terminal uses the four-step random access to send the first small packet of data to the network device, and the random access preamble used is random access preamble 1, the terminal can determine preconfigured resource 1 as the target preconfigured resource. If the random access preamble is random access preamble 2, the terminal may select one preconfigured resource from the preconfigured resource 1 and the preconfigured resource 2 as the target preconfigured resource.
  • the terminal can select a preconfigured resource from preconfigured resource 1 and preconfigured resource 3 as the target preconfigured resource.
  • the terminal determines the association relationship according to the index of the random access preamble and the number of one or more sets of preconfigured resources.
  • the terminal uses the random access process to send smalldata1
  • the index of the preamble carried by the terminal in Msg1/MsgA is m
  • the terminal is configured with N CG resources
  • the index The preamble of m corresponds to the m%Nth CG resource, in other words, the terminal determines that the preamble with the index m is associated with the m%Nth CG resource.
  • the number of CG resources configured by the network for the terminal is usually less than the number of currently available preambles. Therefore, the index of the preamble can be used to modulo the number of CG resources N to determine the target CG resource.
  • the N CG resources configured on the terminal are the total number of CG resources configured on the terminal. For example, if the terminal has obtained 2 sets of CG resource configurations, each set has a total of 10 CG resources, so N is 20.
  • the m th preamble corresponds to the (m+I-RNTI)%N CG resources among the N CG resources.
  • the I-RNTI is a representation method of the terminal identifier in the RRC_INACTIVE state.
  • randomization of the time dimension can be introduced by further randomizing the CG resources used in subsequent transmissions.
  • the m th preamble corresponds to (m+I-RNTI+n_slot)%N CG resources in the N CG resources.
  • the m th preamble corresponds to (m+I-RNTI+n_slot+n_frame*N_slot)%N CG resources in the N CG resources.
  • n_slot is an index of a slot
  • n_frame is an index of a frame
  • N_slot is the number of slots in a frame.
  • Example 4-2 The resource corresponding to the first small packet of data is the time-frequency resource used for sending the first small packet of data in the random access process.
  • step 1402 can be implemented by:
  • the terminal determines a preconfigured resource that overlaps with the time-frequency resource used for sending the first small packet data among one or more sets of preconfigured resources as the target preconfigured resource.
  • the terminal sends the first small packet of data through Msg3/MsgA, and the time-frequency resource of the terminal sending Msg3/MsgA coincides with one of the CG resources 1 in one or more sets of CG resources configured by the terminal, then the terminal CG resource 1 is determined as the target CG resource.
  • the terminal may determine CG resource 1 as the target CG resource.
  • the network device can use Time Domain Resource Allocation (TDRA) and Frequency Domain Resource Allocation (FDRA) in RAR to indicate a time-frequency resource that is associated with one or more sets of A certain CG resource in the set of CG resources overlaps.
  • TDRA Time Domain Resource Allocation
  • FDRA Frequency Domain Resource Allocation
  • the network device can configure the PUSCH resource in the MsgA to be the same time-frequency position as a certain CG resource during resource configuration. Based on the time-frequency resource of the MsgA, the terminal can determine the target preconfigured resource after sending the MsgA. Specifically, Which set of CG resources.
  • the terminal determines a preconfigured resource having the same index as the time-frequency resource for sending the first small packet of data among one or more sets of preconfigured resources as the target preconfigured resource.
  • the network device may use TDRA and FDRA in the RAR to indicate an index (index) of a time-frequency resource, and the index of the time-frequency resource is the same as the index of the target CG resource.
  • the network device can configure the PUSCH resource in the MsgA to be the same as the index of a CG resource during resource configuration. Then, based on the time-frequency resources of the MsgA, the terminal can determine which target preconfigured resource is after sending the MsgA. Set of CG resources.
  • the PUSCH is a time-frequency resource for sending the first small packet of data by using the MsgA.
  • the network device may configure the PUSCH resource in the MsgA to have the same time-frequency position as a certain CG resource in one or more sets of CG resources during resource configuration.
  • Example 4-1 to Example 4-2 Based on the implementation manners of Example 4-1 to Example 4-2 above, further, if the network device will send feedback (possibly physical layer feedback, such as L1ACK/NACK or non-L1ACK/NACK) to the terminal, and the terminal is not in the RRC_INACTIVE state Support multiple Hybrid Automatic Repeat reQuest (HARQ) processes, the terminal can only clear the data in the current sending buffer after receiving the ACK feedback from the base station, and then perform subsequent data packetization.
  • feedback possibly physical layer feedback, such as L1ACK/NACK or non-L1ACK/NACK
  • HARQ Hybrid Automatic Repeat reQuest
  • the terminal uses CG resource 1 for subsequent transmission, it needs to select the CG resource 1 after the time point T1 in the figure, where T1 is the gap time after the terminal receives the feedback from the base station, and the gap here is for the terminal to do the corresponding processing, Such as the time for decoding feedback information, grouping and so on.
  • T1 is the gap time after the terminal receives the feedback from the base station
  • the gap here is for the terminal to do the corresponding processing,
  • the CG resource in the earliest available CG resource 1 after T1 may be specified.
  • the time domain position of the target pre-configured resource is located after a first time point, and the first time point is determined by the time when the terminal receives the feedback information from the network device and the offset value , the feedback information is used to indicate that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • the terminal sends a random access preamble to the network device on resource a, and the terminal receives feedback information sent by the network device at time 1, and the feedback information is used to indicate that the first small packet of data from the terminal is successfully received. . Then the terminal can determine the first time point T1 according to time 1 and the gap shown in FIG. 15b. As shown in FIG. 15b, the CG resource 1 located at the time domain position 4 is located after T1, and the CG resource 1 located at the time domain position 3 is located before T1 or is parallel with T1 in time domain time, that is, for the terminal, the CG resource 1 is located in the time domain. Resource 1 may be invalid at time domain position 3, then the terminal can only select CG resource 1 at time domain position 4 as the target CG resource.
  • the terminal may select the CG resource 1 closest to the first time point as the target CG resource from multiple CG resources 1 that appear at different time domain locations after the first time point. For example, the terminal selects CG resource 1 located at time domain position 4 as the target CG resource.
  • Example 4-3 The resource corresponding to the first small packet of data is the first CG resource for transmitting the first small packet of data, and the first CG resource is a periodic resource.
  • the target preconfigured resource and the first CG resource are the same set of CG resources.
  • Example 4-3 as a possible implementation manner, the above step 1402 may be implemented in the following manner:
  • the configuration resource is determined to be the target preconfigured resource, and the period is the period of the first preconfigured resource.
  • each set of CG resources is a periodic resource, for example, in Figure 16a, CG resource 1 and CG resource 2
  • the cycle of CG resource 1 is P.
  • the number of repetitions of each set of CG resources is 3 as an example.
  • the first CG resource 1 appears at position 1 in the time domain.
  • the first CG resource 1 appears at the time domain position 2, and after the period P has passed, the third CG resource 1 appears at the time domain position 3.
  • the terminal can determine that the target CG resource is at time domain location 1.
  • the terminal may determine that the target CG resource is the earliest available first CG resource after at least one cycle after the first preconfigured resource for transmitting the first small packet data. For example, if time-domain location 2 is earlier than time-domain location 3, the terminal may determine that the target CG resource is CG resource 1 at time-domain location 2.
  • the present application implements
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is determined by the time and offset value when the terminal receives the feedback information from the network device, and the feedback information is used as It indicates that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • the terminal sends the first small packet of data to the network device on the CG resource 1 at time domain position 1, and at time 1 the terminal receives ACK feedback from the network device, and the ACK feedback is used to indicate that the network
  • the device receives the first packet of data correctly.
  • the terminal may use the CG resource 1 located after the first moment (ie, T1 in FIG. 16b ) as the target CG resource.
  • the first time is located after time 1, and the first time is obtained from time 1 and the time offset value.
  • the time offset value can be processed for the terminal, such as the time for decoding feedback information, packet grouping, etc. Or the time offset value can be determined autonomously by the terminal.
  • the terminal determines that the target CG resource for subsequent transmission of data to be transmitted is CG resource 1 located at position 4 in the time domain.
  • the terminal sends the data to the network device.
  • the network device may also be instructed that the subsequent terminal will send the data to be transmitted on the CG resource 1 at the time domain position 4.
  • the network device sends the first indication to the terminal.
  • the first indication is used to instruct the terminal to send the data to be transmitted by the terminal at the CG resource 1 of the time domain position 4.
  • the CG resource 1 located at the time domain position 4 and the CG resource located at the time domain position 1 belong to the same set of CG resources, but the time domain positions are different. In this way, it is convenient for the network device to specify the location of the CG resource that subsequently receives the data to be transmitted.
  • Example 4-4 The resource corresponding to the first small packet of data is the first preconfigured resource for transmitting the first small packet of data.
  • the target preconfigured resource and the first preconfigured resource are different sets of preconfigured resources.
  • the first preconfigured resource may be a periodic resource or an aperiodic resource.
  • the above step 1402 may be implemented in the following manner: the terminal determines the second preconfigured resource in one or more sets of preconfigured resources as the target preconfigured resource, The second preconfigured resource and the first preconfigured resource are different sets of preconfigured resources.
  • each set of CG resources is a periodic resource, for example, in Figure 16a, CG resource 1 and CG resource 2
  • the cycle of CG resource 1 is P.
  • the number of repetitions of each set of CG resources is 3 as an example.
  • the first CG resource 1 appears at position 1 in the time domain.
  • the first CG resource 1 appears at the time domain position 2, and after the period P has passed, the third CG resource 1 appears at the time domain position 3.
  • the terminal uses CG resource 1 located at time domain position 1 to transmit the first small packet of data, then the terminal can use the CG in any set of CG resource 2 to CG resource 4 located after time domain position 1 when subsequently transmitting data to be transmitted resource.
  • the order in which the terminal uses CG resource 2 to CG resource 4 may be based on a hopping pattern of a resource.
  • the hopping pattern may be configured for the terminal by the network device, or the hopping pattern may be pre-stored in the terminal, or the hopping pattern may be predefined by a protocol, or the hopping pattern may be determined through negotiation between the terminal and the network device.
  • the terminal may determine the information of the target CG resource according to the formula (m+I-RNTI+n_slot)%N, or (m+I-RNTI+n_slot+n_frame*N_slot)%N .
  • the time domain position of the target preconfigured resource is located after the first time point, and the first time point is the time when the terminal receives the feedback information from the network device and The offset value is determined, and the feedback information is used to indicate that the network device successfully receives the first small packet of data, and the time is before the first time point.
  • the terminal can subsequently select CG resource 2 or CG resource 3 or CG resource 4 located after T1 to send the to-be-transmitted data data.
  • the CG resource 2 located at the time domain position 2 is located before T1 or is parallel with T1 in the time domain time, that is, for the terminal, the CG resource 2 at the time domain position 2 may be invalid.
  • the terminal can then select a CG resource from CG resource 3 and CG resource 4 at time domain position 3, CG resource 2 at time domain position 4, and CG resource 3 and CG resource 4 at time domain position 5.
  • the terminal may send the data to be transmitted on the CG resource 3 or CG resource 4 located at the time domain position 3 after T1 and closest to T1.
  • the embodiment shown in FIG. 14 and the embodiment shown in FIG. 13 can be used in combination.
  • the network device does not indicate the transmission resource to the terminal, but only indicates the transmission mode
  • the terminal transmits The transmission mode of the first small packet data is random access mode
  • the network device instructs the subsequent use of preconfigured resources to transmit the data to be transmitted the terminal can determine the target preconfigured resources by using the methods of Example 4-1 to Example 4-2.
  • the terminal can use Example 4-3 to Example 4- 4 ways to determine target preconfigured resources.
  • each network element such as a terminal, a network device, etc.
  • each network element includes corresponding structures and/or software modules for performing each function.
  • the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • functional units may be divided according to the above-mentioned method for example terminals and network devices.
  • each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units. It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and other division methods may be used in actual implementation.
  • FIG. 17 shows the communication device involved in the above-mentioned embodiment, and the communication device may include: a communication module 1713 and a processing module 1712 .
  • the communication device may further include a storage module 1711 for storing program codes and data of the communication device.
  • the communication device is a terminal, or a chip applied in the terminal.
  • the communication module 1713 is used to support the communication apparatus to communicate with external network elements (eg, network equipment).
  • the communication module 1713 is configured to perform the signal transceiving operation of the terminal in the foregoing method embodiments.
  • the processing module 1712 is configured to perform signal processing operations of the terminal in the foregoing method embodiments.
  • the communication module 1713 is configured to perform the sending action performed by the terminal in steps 601 and 603 of FIG. 6 in the foregoing embodiment.
  • the communication module 1713 is configured to perform the receiving action performed by the terminal in step 602 of FIG. 6 in the foregoing embodiment.
  • the processing module 1712 is configured to execute the processing action performed by the terminal in step 805 of FIG. 8 in the foregoing embodiment.
  • the communication module 1713 is configured to perform the receiving action performed by the terminal in step 807 of FIG. 8 in the above embodiment.
  • the communication module 1713 is configured to perform the sending action performed by the terminal in steps 1401 and 1403 of FIG. 14 in the above embodiment.
  • the processing module 1712 is configured to execute the processing action performed by the terminal in step 1402 of FIG. 14 in the above embodiment.
  • the communication device is a network device, or a chip applied in the network device.
  • the communication module 1713 is used to support the communication device to communicate with external network elements (eg, terminals).
  • the communication module 1713 is configured to perform the signal transceiving operation of the network device in the foregoing method embodiments.
  • the processing module 1712 is configured to perform the signal processing operations of the network device in the foregoing method embodiments.
  • the communication module 1713 is configured to perform the receiving action performed by the network device in steps 601 and 603 of FIG. 6 in the foregoing embodiment.
  • the communication module 1713 is configured to perform the sending action performed by the network device in step 602 of FIG. 6 in the above embodiment.
  • the communication module 1713 is configured to perform the receiving action performed by the network device in steps 1401 and 1403 of FIG. 14 in the above embodiment.
  • the processing module 1712 may be a processor or a controller, such as a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array, or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. It may implement or execute the various exemplary logical blocks, modules and circuits described in connection with this disclosure.
  • a processor may also be a combination that performs computing functions, such as a combination comprising one or more microprocessors, a combination of a digital signal processor and a microprocessor, and the like.
  • the communication module may be a transceiver, a transceiver circuit, or a communication interface.
  • the storage module may be a memory.
  • the processing module 1712 is the processor 1821 or the processor 1825
  • the communication module 1713 is the transceiver 1823
  • the storage module 1711 is the memory 1822
  • the communication device involved in this application may be the communication device shown in FIG. 18 .
  • FIG. 18 shows a schematic diagram of a hardware structure of a communication device provided by an embodiment of the present application.
  • the communication device includes a processor 1821, a communication line 1824, and at least one transceiver (in FIG. 18, the transceiver 1823 is used as an example for illustration).
  • the processor 1821 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more processors for controlling the execution of the programs of the present application. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication line 1824 may include a path to communicate information between the components described above.
  • Transceiver 1823 using any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area networks
  • the communication device may further include a memory 1822 .
  • Memory 1822 may be read-only memory (ROM) or other type of static storage device that can store static information and instructions, random access memory (RAM) or other type of static storage device that can store information and instructions It can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, CD-ROM storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing desired program code in the form of instructions or data structures and capable of being executed by a computer Access any other medium without limitation.
  • the memory may exist independently and be connected to the processor through communication line 1824.
  • the memory 1822 may also be integrated with the processor 1821.
  • the memory 1822 is used for storing computer-executed instructions for executing the solution of the present application, and the execution is controlled by the processor 1821 .
  • the processor 1821 is configured to execute the computer-executed instructions stored in the memory 1822, so as to implement the method for indicating data transmission provided by the following embodiments of the present application.
  • the computer-executed instructions in the embodiment of the present application may also be referred to as application code, which is not specifically limited in the embodiment of the present application.
  • the processor 1821 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 18 .
  • the communication device may include multiple processors, such as the processor 1821 and the processor 1825 in FIG. 18 .
  • processors can be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
  • the transceiver 1823 is configured to perform the sending action performed by the terminal in step 601 and step 603 of FIG. 6 in the above embodiment.
  • the transceiver 1823 is configured to perform the receiving action performed by the terminal in step 602 of FIG. 6 in the above embodiment.
  • the processor 1821 and the processor 1825 are configured to perform the processing action performed by the terminal in step 805 of FIG. 8 in the above-mentioned embodiment.
  • the transceiver 1823 is configured to perform the receiving action performed by the terminal in step 807 of FIG. 8 in the above embodiment.
  • the transceiver 1823 is configured to perform the sending action performed by the terminal in steps 1401 and 1403 of FIG. 14 in the foregoing embodiment.
  • the processor 1821 and the processor 1825 are configured to perform the processing actions performed by the terminal in step 1402 of FIG. 14 in the above embodiment.
  • the communication device is a network device, or a chip applied in the network device.
  • the transceiver 1823 is used to support the communication device to communicate with external network elements (eg, terminals).
  • the transceiver 1823 is configured to perform the signal transceiving operation of the network device in the foregoing method embodiment.
  • the processor 1821 and the processor 1825 are configured to perform the signal processing operations of the network device in the foregoing method embodiments.
  • the transceiver 1823 is configured to perform the receiving actions performed by the network device in steps 601 and 603 of FIG. 6 in the above embodiment.
  • the transceiver 1823 is configured to perform the sending action performed by the network device in step 602 of FIG. 6 in the above embodiment.
  • the transceiver 1823 is configured to perform the receiving actions performed by the network device in steps 1401 and 1403 of FIG. 14 in the above embodiment.
  • FIG. 19 is a schematic structural diagram of a chip 190 provided by an embodiment of the present application.
  • the chip 190 includes one or more (including two) processors 1910 and a communication interface 1930 .
  • the chip 190 further includes a memory 1940, and the memory 1940 may include a read-only memory and a random access memory, and provides operation instructions and data to the processor 1910.
  • a portion of memory 1940 may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • the memory 1940 stores the following elements, execution modules or data structures, or a subset thereof, or an extended set thereof.
  • the corresponding operation is performed by calling the operation instruction stored in the memory 1940 (the operation instruction may be stored in the operating system).
  • a possible implementation manner is that the structures of terminals and network devices are similar, and different devices may use different chips to realize their respective functions.
  • the processor 1910 controls the processing operation of any one of the terminal and the network device, and the processor 1910 may also be referred to as a central processing unit (central processing unit, CPU).
  • CPU central processing unit
  • Memory 1940 which may include read-only memory and random access memory, provides instructions and data to processor 1910. A portion of memory 1940 may also include NVRAM.
  • the memory 1940, the communication interface 1930, and the memory 1940 are coupled together through the bus system 1920, wherein the bus system 1920 may include a power bus, a control bus, a status signal bus, and the like in addition to a data bus.
  • the various buses are labeled as bus system 1920 in FIG. 19 .
  • the methods disclosed in the above embodiments of the present application may be applied to the processor 1910 or implemented by the processor 1910 .
  • the processor 1910 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method may be completed by an integrated logic circuit of hardware in the processor 1910 or an instruction in the form of software.
  • the above-mentioned processor 1910 may be a general-purpose processor, a digital signal processing (DSP), an ASIC, an off-the-shelf programmable gate array (field-programmable gate array, FPGA) or other programmable logic devices, discrete gates or transistors Logic devices, discrete hardware components.
  • DSP digital signal processing
  • FPGA field-programmable gate array
  • the methods, steps, and logic block diagrams disclosed in the embodiments of this application can be implemented or executed.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory 1940, and the processor 1910 reads the information in the memory 1940, and completes the steps of the above method in combination with its hardware.
  • the communication interface 1930 is used to perform the steps of receiving and sending by the terminal in the embodiment shown in FIG. 6 .
  • the processor 1910 is configured to perform processing steps of the network device in the embodiment shown in FIG. 6 .
  • the communication interface 1930 is used to perform the steps of receiving and sending by the terminal in the embodiment shown in FIG. 14 .
  • the processor 1910 is configured to perform processing steps of the network device in the embodiment shown in FIG. 14 .
  • the above communication module may be a communication interface of the device for receiving signals from other devices.
  • the communication module is a communication interface used by the chip to receive or transmit signals from other chips or devices.
  • a computer-readable storage medium where instructions are stored in the computer-readable storage medium, and when the instructions are executed, the functions performed by the terminal as shown in FIG. 6 to FIG. 14 are implemented.
  • a computer program product including instructions.
  • the computer program product includes instructions, and when the instructions are executed, the functions performed by the network device as shown in FIG. 6 to FIG. 14 are implemented.
  • a chip is provided, the chip is applied in a terminal, the chip includes at least one processor and a communication interface, the communication interface is coupled with the at least one processor, and the processor is used for running instructions to realize the functions shown in FIGS. 6 to 14 . The function performed by the terminal.
  • a chip is provided, the chip is applied in a terminal, the chip includes at least one processor and a communication interface, the communication interface is coupled with the at least one processor, and the processor is used for running instructions to realize the functions shown in FIGS. 6 to 14 .
  • An embodiment of the present application provides a communication system, where the communication system includes: a terminal and a network device.
  • the terminal is used to perform the functions performed by the terminal as shown in FIGS. 6 to 13
  • the network device is used to perform the functions performed by the network equipment as shown in FIGS. 6 to 13 .
  • An embodiment of the present application provides a communication system, where the communication system includes: a terminal and a network device.
  • the terminal is used to perform the function performed by the terminal as shown in Fig. 14, and the network device is used to perform the function performed by the network device as shown in Fig. 14.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs or instructions.
  • the processes or functions described in the embodiments of the present application are executed in whole or in part.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, network equipment, user equipment, or other programmable apparatus.
  • the computer program or instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program or instructions may be downloaded from a website, computer, A server or data center transmits by wire or wireless to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available media that can be accessed by a computer or a data storage device such as a server, data center, etc. that integrates one or more available media.
  • the usable medium can be a magnetic medium, such as a floppy disk, a hard disk, and a magnetic tape; it can also be an optical medium, such as a digital video disc (DVD); it can also be a semiconductor medium, such as a solid state drive (solid state drive). , SSD).

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Abstract

L'invention concerne un procédé et un appareil d'indication de transmission de données, qui se rapportent au domaine technique des communications et sont utilisés pour améliorer, en indiquant à un terminal un mode de transmission et une ressource de transmission pour des données à transmettre, la qualité desdites données qui sont ensuite transmises par le terminal. La solution est appliquée à un terminal et consiste à : envoyer des premières petites données et un premier message à un dispositif réseau, le premier message servant à indiquer qu'un terminal a ensuite des données à transmettre; recevoir des premières informations et/ou des secondes informations du dispositif réseau, les premières informations servant à indiquer un mode de transmission desdites données, et les secondes informations indiquant une ressource de transmission pour transmettre lesdites données; et envoyer lesdites données au dispositif réseau en fonction du mode de transmission et/ou de la ressource de transmission.
PCT/CN2021/108475 2020-08-03 2021-07-26 Procédé et appareil d'indication d'une transmission de données WO2022028267A1 (fr)

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CN202010828587.0A CN114071509A (zh) 2020-08-03 2020-08-14 一种指示数据传输的方法、装置

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EP4255060A1 (fr) * 2022-03-28 2023-10-04 Panasonic Intellectual Property Corporation of America Radiomessagerie pour la transmission de petites données (sdt) à terminaison mobile (mt)

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