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WO2021259346A1 - Procédé de transmission de données, appareil de communication et dispositif de réseau - Google Patents

Procédé de transmission de données, appareil de communication et dispositif de réseau Download PDF

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Publication number
WO2021259346A1
WO2021259346A1 PCT/CN2021/101992 CN2021101992W WO2021259346A1 WO 2021259346 A1 WO2021259346 A1 WO 2021259346A1 CN 2021101992 W CN2021101992 W CN 2021101992W WO 2021259346 A1 WO2021259346 A1 WO 2021259346A1
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WO
WIPO (PCT)
Prior art keywords
terminal
configured resource
data packets
data packet
network device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/101992
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English (en)
Chinese (zh)
Inventor
毛颖超
张亮亮
常俊仁
冯淑兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2021259346A1 publication Critical patent/WO2021259346A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • 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 field of communication technology of this application in particular, relates to a method, communication device, and network equipment for transmitting data.
  • Random access is a basic and important process in the Long Term Evolution (LTE) system and the New Radio (NR) system. Its main purposes are as follows: 1. Establish uplink synchronization; 2. The terminal allocates a unique cell radio network temporary identifier (Cell Radio Network Temporary Identifier, C-RNTI for short), and requests the network to allocate uplink resources to the terminal. Therefore, random access is not only used for initial access, but also for new cell access during handover, access after radio link failure, resumption of uplink synchronization when there is uplink/downlink data transmission, and uplink shared channel (uplink shared channel, UL-SCH for short) resource request, etc. After completing the random access process, the terminal can enter the connected state and establish a radio resource control (Radio Resource Control, RRC for short) connection with the base station to perform data transmission with the network.
  • RRC Radio Resource Control
  • EDT Early Data Transmission
  • a terminal in an idle state can perform an uplink data transmission during random access, or configure a pre-configured uplink resource (PUR) for the terminal when the last RRC connection is released, Then use PUR to transmit such data packets.
  • PUR pre-configured uplink resource
  • the terminal can only perform uplink data transmission once, and only when the size of the data to be transmitted on the terminal side is less than or equal to the size of the largest data block (Transport Block Size, TBS) of EDT or PUR. Use EDT or PUR transmission. Otherwise, the terminal must enter the connected state through the RRC connection recovery process before sending the data to be transmitted.
  • TBS Transport Block Size
  • the technical problem to be solved by the embodiments of the present application is to provide a data transmission method, communication device and network equipment to solve the problem of high signaling interaction overhead and high terminal power consumption when the terminal transmits multiple data packets in the inactive state.
  • an embodiment of the present application provides a method for transmitting data, including:
  • the terminal sends instruction information to the network device, where the instruction information is used to instruct the terminal to send transmission information of one or more data packets when in an inactive state; the terminal sends the one or more data packets.
  • the terminal can inform the network side of its own transmission information in the inactive state, which is conducive to the network side’s control of the terminal’s transmission status and related resource configuration, and realizes the data transmission of the terminal in the inactive state, which is conducive to the function of the terminal. Consumption reduction.
  • the indication information may be used to indicate that the terminal has a transmission requirement for one or more data packets when the terminal is in the inactive state; for example, the indication information may be used for:
  • the base station can be informed of the range of the number of data packets that need to be transmitted in the inactive state on the terminal side, so that the base station can flexibly make instructions , Control the state transition of the terminal, which is conducive to the reasonable transmission of data packets, and is also conducive to the control of terminal power consumption.
  • the indication information is used to indicate the state that the terminal expects to be in when the terminal is transmitting the one or more data packets, and the state includes an inactive state and a connected state;
  • the instruction information is used for:
  • the indication of the transmission state reflects the state of the data packet transmission that the terminal expects, so that the base station can flexibly make instructions and control the state transition of the terminal, which is conducive to the reasonable transmission of data packets and the control of terminal power consumption.
  • the indication information is used to indicate that the terminal has a transmission requirement for one or more data packets when the terminal is in the inactive state, and the indication information is used to indicate that the terminal expects to be in the transmission destination.
  • the state that the terminal is in when the one or more data packets are in, and the state includes an inactive state and a connected state;
  • the instruction information is used for:
  • the base station can be more clearly informed of the terminal-side transmission requirements, and it is convenient for the base station to make terminal state transition decisions.
  • the indication information may be indicated by a preamble sent by the terminal to the network device;
  • the indication information may be indicated by message 3 (msg3) or message A (msgA) in the random access process.
  • the indication information is indicated by msg3 or msgA in the random access process, including:
  • the indication information is indicated by a connection resume cause value in msg3 or msgA in the random access process;
  • the indication information is indicated by the first bit in msg3 or msgA in the random access process
  • the indication information is indicated by the first bit and the second bit in msg3 or msgA in the random access process.
  • the existing msg3 or msgA can carry the indication information, which realizes the compatibility with the existing system and the standard, and does not need to make substantial changes to the equipment software and hardware, which saves costs and facilitates implementation.
  • the method further includes:
  • the terminal obtains the maximum number of transmissions of the data packet in the inactive state.
  • the maximum number of transmissions is configured by the network device and issued to the terminal;
  • the maximum number of transmissions is requested by the terminal to configure the network device and issued to the terminal;
  • the maximum number of transmissions is pre-configured in the system message.
  • the sending of the multiple data packets by the terminal includes:
  • the terminal verifies the validity of the first timing advance (TA) before sending the first data packet of the multiple data packets;
  • the terminal sends the first data packet of the multiple data packets through the first pre-configured resource configured by the network device;
  • the terminal When sending the first data packet, the terminal sends pre-configured resource request information to the network device, requesting the network device to allocate for the terminal to send the plurality of data packets except for the first The second pre-configured resource of other data packets except one data packet;
  • the terminal sends the other data packet through the first pre-configured resource and the second pre-configured resource, or the terminal sends the other data packet through the second pre-configured resource.
  • the acquisition of the second pre-configured resource can be realized, and the transmission of multiple data packets in the inactive state can be realized more flexibly and quickly.
  • the terminal does not need to enter the connected state, thereby improving the efficiency of information exchange and data transmission, and reducing the power consumption of the terminal.
  • the sending of the multiple data packets by the terminal includes:
  • the terminal verifies the validity of the first timing advance (TA) before sending the first data packet of the multiple data packets;
  • the terminal sends msg3 or msgA to the network device, carrying the first data packet of the multiple data packets and pre-configured resource request information, and the pre-configured resource request information is used Requesting the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the terminal sends the other data packet through the second pre-configured resource.
  • Sending the first data packet and pre-configured resource request information through msg3 or msgA makes reasonable use of the existing uplink authorized resources to achieve the acquisition of the second pre-configured resource, and then multiple data packets in the inactive state can be realized
  • the terminal does not need to enter the connected state, and does not need to perform random access interactions for multiple times, thereby improving the efficiency of information interaction and data transmission, and reducing the power consumption of the terminal.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using the corresponding pre-configured resource, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the method further includes:
  • the terminal obtains the maximum pre-configured number of the pre-configured resources.
  • the maximum pre-configured number of the pre-configured resources is configured by the network device and issued to the terminal;
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • the method further includes:
  • the terminal receives the pre-configured resource and the second TA sent by the network device, and the second TA is used for uplink synchronization when the terminal uses the pre-configured resource to transmit data packets.
  • an embodiment of the present application provides a method for transmitting data, which may include:
  • the terminal transmits the first data packet of the multiple data packets through the first pre-configured resource or through msg3 or through msgA.
  • the terminal When sending pre-configured resource request information to the network device, requesting the network device to allocate a second pre-configured resource for the terminal to send data packets other than the first data packet among the multiple data packets.
  • the terminal sends the other data packet through a pre-configured resource, the pre-configured resource includes the first pre-configured resource and the second pre-configured resource, or the pre-configured resource includes the second pre-configured resource .
  • the method before the terminal sends the first data packet of the multiple data packets, the method further includes:
  • the terminal verifies the validity of the first timing advance (TA);
  • the terminal sends the first data packet of the multiple data packets and pre-configured resource request information through the first pre-configured resource pre-configured by the network device, and the pre-configured resource
  • the request information is used to request the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the terminal sends the other data packet through the first pre-configured resource and the second pre-configured resource, or the terminal sends the other data packet through the second pre-configured resource.
  • the method before the terminal sends the first data packet of the multiple data packets, the method further includes:
  • the terminal verifies the validity of the first timing advance (TA);
  • the terminal sends msg3 or msgA to the network device, carrying the first data packet of the multiple data packets and pre-configured resource request information, and the pre-configured resource request information is used Requesting the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the terminal sends the other data packet through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the method further includes:
  • the terminal obtains the maximum pre-configured number of the pre-configured resources.
  • the maximum pre-configured number of the pre-configured resources is configured by the network device and issued to the terminal;
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • the method further includes:
  • the terminal receives the pre-configured resource and the second TA sent by the network device, and the second TA is used for uplink synchronization when the terminal uses the pre-configured resource to transmit data packets.
  • an embodiment of the present application provides a method for transmitting data, which may include:
  • the network device receives instruction information sent by the terminal, where the instruction information is used to instruct the terminal to send transmission information of one or more data packets when the terminal is in an inactive state;
  • the network device allocates pre-configured resources for transmitting the multiple data packets to the terminal.
  • the network device allocating pre-configured resources for the terminal to transmit the multiple data packets includes:
  • the network device receives the other data packets sent by the terminal through the first pre-configured resource and the second pre-configured resource, or the network device receives the terminal through the second pre-configured resource The other data packets sent.
  • the network device allocating pre-configured resources for the terminal to transmit the multiple data packets includes:
  • the network device receives msg3 or msgA sent by the terminal, where the msg3 or msgA carries the first data packet of the multiple data packets and pre-configured resource request information;
  • the network device receives the other data packet sent by the terminal through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the method further includes:
  • the network device sends a timing advance (TA) to the terminal, where the TA is used for uplink synchronization when the terminal uses the pre-configured resource to transmit data packets.
  • TA timing advance
  • the terminal in the inactive state is used to transmit one or more data packets for illustration.
  • the terminal in the idle state can also use the methods described in the above aspects and any possible implementation manners of each aspect to transmit one or more data packets, which is not limited in this application.
  • an embodiment of the present application provides a communication device, which may include:
  • a processing unit configured to generate instruction information, where the instruction information is used to instruct the terminal to send transmission information of one or more data packets when the terminal is in an inactive state;
  • the transceiver unit is used to send instruction information to the network device
  • the transceiver unit is also used to send the one or more data packets.
  • the indication information is used to indicate that the terminal has a transmission requirement for one or more data packets when the terminal is in an inactive state; the indication information is used to:
  • the indication information is used to indicate the state that the terminal expects to be in when the one or more data packets are transmitted, and the state includes an inactive state and a connected state.
  • the instruction information is used for:
  • the indication information is used to indicate that the terminal has a transmission requirement for one or more data packets when the terminal is in an inactive state, and the indication information is used to indicate that the terminal expects to transmit The state of the terminal at the time of the one or more data packets, and the state includes an inactive state and a connected state;
  • the instruction information is used for:
  • the indication information may be indicated by a preamble sent by the terminal to the network device;
  • the indication information is indicated by message 3 (msg3) or message A (msgA) in the random access process.
  • the indication information is indicated by msg3 or msgA in the random access process, including:
  • the indication information is indicated by a connection resume cause value in msg3 or msgA in the random access process;
  • the indication information is indicated by the first bit in msg3 or msgA in the random access process
  • the indication information is indicated by the first bit and the second bit in msg3 or msgA in the random access process.
  • the transceiver unit is further configured to:
  • the maximum number of transmissions is configured by the network device and issued to the terminal;
  • the maximum number of transmissions is requested by the terminal to configure the network device and issued to the terminal;
  • the maximum number of transmissions is pre-configured in the system message.
  • the communication device further includes a processing unit, and the processing unit is configured to:
  • the transceiver unit If it is verified that the first TA is valid, instruct the transceiver unit to send the first data packet of the multiple data packets through the first pre-configured resource configured by the network device;
  • the transceiver unit Instruct the transceiver unit to send pre-configured resource request information to the network device when sending the first data packet, and request the network device to allocate the terminal for sending the multiple data packets.
  • the transceiving unit is configured to send the other data packet through the first pre-configured resource and the second pre-configured resource, or the transceiving unit sends the other data packet through the second pre-configured resource.
  • the processing unit is configured to: instruct the transceiver unit to send msg3 or msgA to the network device to carry the first one of the multiple data packets Data packets and pre-configured resource request information, where the pre-configured resource request information is used to request the network device to allocate to the terminal for sending other data packets except the first data packet The second pre-configured resource of the data packet;
  • the transceiving unit is configured to send the other data packets through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the processing unit is further configured to:
  • the maximum pre-configured number of the pre-configured resources is configured by the network device and issued to the communication device;
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • the transceiver unit is further configured to:
  • an embodiment of the present application provides a communication device, including:
  • the processing unit is used to generate pre-configured resource request information
  • the transceiving unit if the terminal in the inactive state has a transmission requirement for multiple data packets, the transceiving unit is configured to send the multiple data packets through the pre-configured first pre-configured resource or through msg3 or through msgA Sending pre-configured resource request information to the network device, requesting the network device to allocate to the terminal for sending the multiple data packets other than the first data packet The second pre-configured resource of the data packet;
  • the transceiving unit is further configured to send the other data packets through a pre-configured resource, where the pre-configured resource includes the first pre-configured resource and the second pre-configured resource, or the pre-configured resource includes the first pre-configured resource. 2. Pre-configured resources.
  • the processing unit before the transceiver unit sends the first data packet of the multiple data packets, the processing unit is configured to:
  • the transceiving unit is instructed to send the first data packet of the multiple data packets and the pre-configured resource request information through the first pre-configured resource pre-configured by the network device.
  • the configuration resource request information is used to request the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit is further configured to send the other data packet through the first pre-configured resource and the second pre-configured resource, or the terminal sends the other data packet through the second pre-configured resource.
  • the processing unit is further configured to verify the validity of the first timing advance (TA) before the transceiver unit sends the first data packet of the multiple data packets;
  • TA timing advance
  • the transceiver unit is instructed to send msg3 or msgA to the network device, carrying the first data packet among the multiple data packets and pre-configured resource request information, the pre-configured resource request The information is used to request the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit is further configured to send the other data packets through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the processing unit is further configured to:
  • the maximum pre-configured number of the pre-configured resources is configured by the network device and issued to the communication device;
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • the transceiver unit is further configured to:
  • the embodiments of the present application provide a network device, including:
  • the transceiver unit is configured to receive instruction information sent by the terminal, where the instruction information is used to instruct the terminal to send transmission information of one or more data packets when the terminal is in an inactive state;
  • the processing unit is configured to, if the terminal needs to send multiple data packets in an inactive state, allocating pre-configured resources for transmitting the multiple data packets to the terminal.
  • the transceiver unit is used to:
  • the processing unit is configured to: allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit is further configured to receive the other data packets sent by the terminal through the first pre-configured resource and the second pre-configured resource, or the network device receives the terminal through the second pre-configured resource. The other data packets sent by the pre-configured resource.
  • the transceiver unit 300 is configured to:
  • the processing unit is configured to: allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit is further configured to receive the other data packets sent by the terminal through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the transceiving unit is further configured to:
  • TA timing advance
  • an embodiment of the present application provides a device.
  • the device provided in the present application has the function of realizing the behavior of the terminal or the network device in the above method, and it includes means for executing the steps or functions described in the above method.
  • the steps or functions can be realized by software, or by hardware (such as a circuit), or by a combination of hardware and software.
  • the foregoing device includes one or more processors and communication units.
  • the one or more processors are configured to support the device to perform corresponding functions of the communication device in the above method. For example, generate instructions.
  • the communication unit is used to support the device to communicate with other devices, and realize the function of receiving and/or sending. For example, sending the above-mentioned instruction message to the network device, and sending one or more data packets.
  • the device may further include one or more memories, where the memory is used for coupling with the processor and stores necessary program instructions and/or data for the device.
  • the one or more memories may be integrated with the processor, or may be provided separately from the processor. This application is not limited.
  • the device may be a smart terminal or a wearable device, etc.
  • the communication unit may be a transceiver or a transceiver circuit.
  • the transceiver may also be an input/output circuit or interface.
  • the device may also be a communication chip.
  • the communication unit may be an input/output circuit or interface of a communication chip.
  • the above device includes a transceiver, a processor, and a memory.
  • the processor is used to control the transceiver or the input/output circuit to send and receive signals
  • the memory is used to store a computer program
  • the processor is used to run the computer program in the memory, so that the device executes the first aspect or any one of the first aspect
  • the foregoing device includes one or more processors and communication units.
  • the one or more processors are configured to support the apparatus to perform corresponding functions of the network device in the foregoing method. For example, configure pre-configured resources for the terminal.
  • the communication unit is used to support the device to communicate with other devices, and realize the function of receiving and/or sending. For example, the receiving terminal sends instruction information, sends pre-configured resources to the terminal, and receives one or more data packets sent by the terminal.
  • the apparatus may further include one or more memories, where the memories are configured to be coupled with the processor and store necessary program instructions and/or data for the network device.
  • the one or more memories may be integrated with the processor, or may be provided separately from the processor. This application is not limited.
  • the device may be a base station, gNB or TRP, etc.
  • the communication unit may be a transceiver, or a transceiver circuit.
  • the transceiver may also be an input/output circuit or interface.
  • the device may also be a communication chip.
  • the communication unit may be an input/output circuit or interface of a communication chip.
  • the above device includes a transceiver, a processor, and a memory.
  • the processor is used to control the transceiver or the input/output circuit to send and receive signals
  • the memory is used to store a computer program
  • the processor is used to run the computer program in the memory, so that the device executes any one of the third aspect or the third aspect. The method that the network device completes in the realization mode.
  • an embodiment of the present application provides a system, which includes the aforementioned network device and a terminal.
  • an embodiment of the present application provides a computer-readable storage medium for storing a computer program, and the computer program includes a method for executing any one of the first aspect or the first aspect, or the second aspect or In the second aspect, instructions for any one of the possible implementation methods.
  • an embodiment of the present application provides a computer-readable storage medium for storing a computer program, and the computer program includes instructions for executing the third aspect or the method in any one of the possible implementation manners of the third aspect .
  • an embodiment of the present application provides a computer program product, the computer program product comprising: computer program code, when the computer program code runs on a computer, the computer executes the first aspect or the first aspect described above. Any one of the possible implementation manners of the aspect or the second aspect or a method in any one of the second aspect’s possible implementation manners.
  • the embodiments of the present application provide a computer program product, the computer program product includes: computer program code, when the computer program code runs on a computer, the computer executes the third aspect and the third aspect. Any one of the possible implementation methods in the aspect.
  • FIG. 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of this application.
  • FIG. 2 is a schematic flowchart of a method for transmitting data provided by an embodiment of this application
  • FIG. 3 is a schematic flowchart of a method for carrying indication information according to an embodiment of this application.
  • FIG. 5 is a schematic flowchart of another data transmission method provided by an embodiment of this application.
  • FIG. 6 is a schematic flowchart of another data transmission method provided by an embodiment of this application.
  • FIG. 7 is a schematic flowchart of another data transmission method provided by an embodiment of the application.
  • FIG. 8 is a schematic diagram of the composition of a communication device provided by an embodiment of this application.
  • FIG. 9 is a schematic diagram of the composition of another communication device provided by an embodiment of the application.
  • FIG. 10 is a schematic diagram of the composition of another communication device provided by an embodiment of this application.
  • FIG. 11 is a schematic diagram of the composition of yet another communication device provided by an embodiment of this application.
  • FIG. 12 is a schematic diagram of the composition of yet another communication device provided by an embodiment of this application.
  • FIG. 13 is a schematic diagram of the composition of a network device provided by an embodiment of this application.
  • FIG. 14 is a schematic diagram of the composition of another network device provided by an embodiment of this application.
  • FIG. 15 is a schematic diagram of the composition of another network device provided by an embodiment of this application.
  • a contention-based random access scenario includes the following steps: msg1, the terminal sends a random access preamble (Preamble); msg2, the base station sends a random access response message; msg3, the terminal sends msg3, the content of msg3 and the content of random access There are several types of trigger events.
  • the content of msg3 during the initial access is a radio resource control (Radio Resource Control, RRC) connection request
  • RRC Radio Resource Control
  • the content of msg3 when the connection is reestablished is an RRC connection reestablishment request, etc.
  • msg4 the base station sends a contention resolution message . So as to complete the random access process.
  • a two-step random access method is proposed.
  • the terminal sends an msgA message to the base station, and the base station responds to the msgB message. Only one information exchange is required between the terminal and the base station to complete Random access.
  • the state of the terminal includes the following:
  • a radio resource control (Radio Resource Control, RRC) connection is established between the terminal and a radio access network (Radio Access Network, RAN) device such as a base station.
  • RRC Radio Resource Control
  • RAN Radio Access Network
  • the terminal device In the idle state, there is no RRC connection between the terminal device and the RAN device, and the context information is no longer stored in the terminal device and the RAN device.
  • the terminal device When the terminal device is in an idle state, the terminal device releases its own context information and can perform cell-based reselection.
  • the terminal saves its own context information and can perform cell-based reselection operations.
  • the connection information of the terminal is stored in the anchor RAN device.
  • the connection information of the terminal includes the context information of the terminal and the core network connection. .
  • the terminal saves the management area information configured by the anchor RAN device, and the terminal needs to notify the anchor RAN device when it moves out of the management area corresponding to the management area information.
  • the inactive state can also be called the third state, light connection state, suspend state, and so on.
  • the RRC connection between the terminal and the RAN device can be restored through an RRC connection resume (Resume) message.
  • this application proposes a data transmission method to better realize the transmission of multiple data packets.
  • the embodiments of the present invention are described in terms of LTE systems or NR systems.
  • the implementations in the embodiments of the present invention are also applicable to other existing communication systems and future higher-level communication systems such as 6G and 7G.
  • the embodiment of the present invention does not make any limitation.
  • FIG. 1 is a schematic diagram of the architecture of a communication system in an embodiment of this application. It may include network equipment and communication devices.
  • the network equipment is used as the base station 10 and the communication device is used as the terminal 20 for illustration.
  • the network device may refer to the device in the access network that is connected to the terminal in communication via the sector on the air interface.
  • the network device can be used to convert received air frames and Internet Protocol (IP) packets into each other, and act as a router between the terminal device and the rest of the access network, where the rest of the access network includes the IP network.
  • IP Internet Protocol
  • the network equipment can also coordinate the attribute management of the air interface.
  • the network equipment can be a base station (Base Transceiver Station, BTS) in the Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA) technology, or it can be
  • BTS Base Transceiver Station
  • GSM Global System for Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • WCDMA can also be an evolved base station in LTE, or it can also be an access point in Wireless Local Area Networks (WLAN) (Access Point, AP for short), relay station, in-vehicle equipment, wearable equipment and network equipment in the future 5G network or network equipment in the future evolved PLMN network, such as the base station that can connect to the 5G core network equipment, the transmission and reception point ( Transmission and Reception Point, TRP for short), Centralized Unit (CU for short), Distributed Unit (DU for short), etc.
  • TRP Transmission and Reception Point
  • CU Centralized Unit
  • DU Distributed Unit
  • the base station 10 may be an NR base station (gNB), an evolved Node B (evolved Node B, eNB for short), a Node B (Node B, NB for short), and a Base Station Controller (for abbreviation) BSC), base transceiver station (Base Transceiver Station, BTS for short), home base station (for example, Home evolved NodeB, or Home Node B, HNB for short), baseband unit (BaseBand Unit, BBU for short), etc.
  • gNB NR base station
  • eNB evolved Node B
  • Node B Node B
  • BSC Base Station Controller
  • the base station 10 may receive the indication information sent by the terminal, make a decision based on its own situation and the transmission information indicated by the terminal, and determine the mode and state of the terminal to transmit data. And allocate resources for sending data packets to the terminal.
  • the terminal 20 may also be referred to as user equipment (User Equipment, UE for short). It can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites, etc.). It can also be called user terminal, terminal equipment, access terminal equipment, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, remote station, remote terminal equipment, mobile equipment, UE terminal equipment, mobile Terminal, wireless communication equipment, UE agent or UE device, etc. The terminal can also be fixed or mobile.
  • the terminal 20 may send indication information to the base station to inform the base station that the terminal transmits one or more data packets when it is in an inactive state.
  • the embodiment of the present application only shows one terminal 20.
  • the number of terminals 20 can be one or more.
  • Some terminals can also be used as relay devices, and other terminals can relay messages. It is also possible to form a user group with the terminal, which is not limited in the embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for transmitting data according to an embodiment of the application; it includes the following steps:
  • S201 The terminal sends instruction information to the base station.
  • S202 The terminal sends the one or more data packets.
  • the indication information may be used to instruct the terminal to send transmission information of one or more data packets when in an inactive state.
  • the indication information may be used to indicate that there is a transmission demand for one or more data packets when the terminal is in an inactive state; including:
  • Case 1-1 It is indicated that the number of times the terminal needs to perform data packet transmission is once;
  • Case 1-2 Indicate that the number of times the terminal needs to perform data packet transmission is greater than one and less than the maximum number of transmission times of the terminal in the inactive state;
  • Case 1-3 It is indicated that the number of times the terminal needs to perform data packet transmission is greater than or equal to the maximum number of transmission times of the terminal in the inactive state.
  • the base station can configure the terminal to complete the transmission of the data packet in the inactive state, and the terminal can use the first pre-configured resource requested by the terminal during the random access process, such as PUR resource or CG resource, or through the random access process Carry the data packet to be transmitted in msg3 to complete the transmission of the data packet.
  • the first pre-configured resource requested by the terminal during the random access process such as PUR resource or CG resource, or through the random access process Carry the data packet to be transmitted in msg3 to complete the transmission of the data packet.
  • the terminal can initiate a pre-configured resource request to the base station.
  • the first pre-configured resource such as PUR resource or CG resource
  • the first pre-configured resource are used.
  • Two pre-configured resources (such as PUR resources or CG resources), or use the first pre-configured resources or the second pre-configured resources to complete the transmission of the data packet.
  • the base station can configure the terminal to switch to the connected state and complete the data packet transmission in the connected state. This is because data packets cannot be transmitted indefinitely in the inactive state. When the data packets are too large or too many, the transmission in the inactive state does not increase the power consumption of the terminal, so it can directly enter the connection. State transmission.
  • the base station can be informed of the range of the number of data packets that need to be transmitted in the inactive state on the terminal side, so that the base station can flexibly make instructions , Control the state transition of the terminal, which is conducive to the reasonable transmission of data packets, and is also conducive to the control of terminal power consumption.
  • the terminal may first obtain the maximum number of transmissions of a data packet in the inactive state before step S201.
  • the maximum number of transmissions may be configured by the base station and issued to the terminal; or
  • the maximum number of transmissions may be requested by the terminal to be configured by the base station and issued to the terminal;
  • the maximum number of transmissions can be pre-configured in the system message.
  • the indication information is used to indicate the state that the terminal is in when transmitting the one or more data packets, and the state includes an inactive state and a connected state. State; the indication information is used for:
  • Case 2-1 Instruct the terminal to expect data transmission in the inactive state
  • Case 2-2 Indicate that the terminal expects to perform data transmission in the connected state.
  • the base station can configure the terminal to complete the data packet in the inactive state. transmission.
  • the base station can configure the terminal to complete the data packet transmission in the connected state.
  • the indication of the transmission state reflects the state when the terminal in the inactive state expects to transmit the data packet, so that the base station can flexibly make instructions and control the state transition of the terminal, which is conducive to the reasonable transmission of data packets and the control of terminal power consumption.
  • the indication information is used to indicate that the terminal has a transmission requirement for one or more data packets when the terminal is in the inactive state, and the indication information is used to indicate the expected presence of the terminal.
  • the state that the terminal is in when the one or more data packets are transmitted, and the state includes an inactive state and a connected state;
  • the instruction information is used for:
  • Case 3-1 Indicate that the number of times the terminal needs to perform data packet transmission is once, and indicate that the terminal expects to perform data packet transmission in the inactive state; at this time, the base station can configure the terminal to complete the data packet transmission in the inactive state For transmission, the terminal can use the first pre-configured resource such as PUR resource or CG resource allocated by the network device when the last RRC connection is released, or carry the data packet to be transmitted in msg3 through a random access process to complete the data packet transmission.
  • the first pre-configured resource such as PUR resource or CG resource allocated by the network device when the last RRC connection is released
  • Case 3-2 Indicate that the number of times that the terminal needs to perform data packet transmission is greater than one and less than the maximum number of transmission times of the terminal in the inactive state, and indicate that the terminal expects to perform data packet transmission in the inactive state;
  • the terminal can initiate a pre-configured resource request to the base station. After the base station allocates the second pre-configured resource to the terminal, the first pre-configured resource (such as PUR resource or CG resource) and the second pre-configured resource are used, or the first pre-configured resource is used The resource or the second pre-configured resource completes the transmission of the data packet.
  • the first pre-configured resource such as PUR resource or CG resource
  • Case 3-3 Indicate that the number of times the terminal needs to perform data packet transmission is greater than or equal to the maximum number of transmission times of the terminal in the inactive state, and indicate that the terminal expects to perform data packet transmission in the connected state. At this time, the base station can configure the terminal to switch to the connected state, and complete the data packet transmission in the connected state.
  • the base station can be more clearly informed of the terminal-side transmission requirements, and it is convenient for the base station to make terminal state transition decisions.
  • the indication information sent by the terminal can be used by the base station as a reference when deciding the state transition of the terminal, and the base station can also make a comprehensive decision based on any one or more of the following information:
  • the indication information may be indicated by a preamble sent by the terminal to the base station;
  • the indication information may be indicated by message 3 (msg3) or message A (msgA) in the random access process.
  • preambles there are 64 preambles, which can be grouped. For example, they can be divided into three groups, corresponding to the three situations that they may indicate. For example, the 1-20 preambles can be used as a group. Indicate situation 1-1 or 2-1 or 3-1; 21-44 are used to indicate situation 1-2 or 3-2, and 45-64 are used to indicate situation 1-3 or 2-2 or 3- 2.
  • the terminal can inform the network side of its own transmission information in the inactive state, which is conducive to the network side’s control of the terminal’s transmission state and related resource configuration, and realizes the data transmission of the terminal in the inactive state, which is beneficial to the terminal. Reduction of power consumption.
  • connection recovery cause values can be added to the existing connection recovery cause (resume cause) value: oneshort-data (indicating that there is a small data packet to be transmitted), multishort-data( Indicates that there are multiple small data packets to be transmitted).
  • oneshort-data indicating that there is a small data packet to be transmitted
  • multishort-data Indicates that there are multiple small data packets to be transmitted.
  • S301 The terminal sends a random access request (msg1) to the base station;
  • the base station sends a random access response (msg2) to the terminal;
  • S303 The terminal sends a connection recovery request (msg3) to the base station;
  • S304 The base station sends a conflict resolution message (msg4) to the terminal.
  • the indication information can be carried through msg3 to inform the base station terminal of the transmission information.
  • the terminal sends msgA to the base station, carrying a random access preamble and an RRC connection recovery request message, etc., wherein the RRC connection recovery request message can carry a newly-added connection recovery reason value such as oneshort-data or multishot-data; Indicate the transmission information of the terminal in the inactive state to the base station.
  • the base station sends msgB to the terminal.
  • the indication information can be carried through msg3 to inform the base station terminal of the transmission information.
  • connection recovery reason value In addition to using the existing reserved bits for indicating the connection recovery reason value to carry the indication information, it is also possible to modify the existing used bits for the connection recovery reason value to carry the indication.
  • Information, or the reserved bits in msg3 or msgA can be used to carry and indicate the indication information.
  • the indication information may be indicated by the first bit in msg3 or msgA in the random access process
  • the indication information may also be indicated by the first bit and the second bit in msg3 or msgA in the random access process.
  • the first bit when the first bit is used to indicate, for example, "1" can be used to indicate that multiple data packets need to be transmitted, and “0" can be used to indicate that one data packet needs to be transmitted; or, “0” can also be used to indicate that multiple data packets need to be transmitted.
  • Data packet use “1” to indicate that a data packet needs to be transmitted. Since 1 bit can only indicate two cases, the aforementioned cases 1-1, 1-2, and 1-3 can be selected as needed. For example, for the case 1-3 when the maximum number of transmissions is reached, it belongs to the connected state. If you need to solve the transmission indication in the inactive state, you can use "1” to represent case 1-2, and "0" to represent case 1-1.
  • case 1-1 where there is only one transmission, it is a single transmission and there is no state transition. If you need to solve the transmission instruction under the state transition, you can use "1" to represent case 1-2 and "0" to represent Situation 1-3.
  • the indication methods of case 2-1, 2-2, case 3-1, 3-2, and 3-3 are similar, and will not be repeated here.
  • the first bit is 0 and the second bit is 1: It can indicate that there is only one data packet to be transmitted, and a data transmission is required, and the terminal expects to transmit in the inactive state (case 1-1 or 2-1 or 3- 1).
  • the first bit is 1, the second bit is 0: it can indicate that the number of data packets transmitted is greater than 1 and less than the maximum number of transmissions.
  • the number of transmissions is the number of data packets.
  • the terminal expects to transmit in the inactive state (case 1- 2 or 2-1 or 3-2).
  • the first bit is 1, and the second bit is 1: It can indicate that the number of data packets transmitted is greater than or equal to the maximum number of transmissions.
  • the number of transmissions is the number of data packets.
  • the terminal expects to transmit in the connected state (cases 1-3 Or 2-2 or 3-3).
  • the first bit is 0, the second bit is 0: it can be reserved.
  • the terminal After the terminal finishes sending the indication information, if there is a transmission demand for multiple data packets, it may send a pre-configured resource request to the base station to obtain pre-configured resources for sending multiple data packets. Please refer to Figure 5 and Figure 6 for the specific process.
  • Figure 5 is a schematic flowchart of another data transmission method provided by an embodiment of this application; the terminal can apply to the base station for the first pre-configured resource during the last RRC connection. Pre-configured resources, so that when the terminal enters the inactive state after the connection is released, the first pre-configured resource can be used to transmit data once.
  • the terminal may apply to the network device for the second pre-configured resource, as shown in FIG. 5, which includes the following steps:
  • the base station sends a radio resource control (Radio Resource Control, RRC for short) release message to the terminal to configure a first pre-configured resource for the terminal.
  • RRC Radio Resource Control
  • S502 The terminal verifies that the first TA is valid, that is, confirms that the uplink synchronization is performed, and the current PUR resource or CG resource can be used.
  • the terminal sends an RRC connection recovery request message to the base station, which carries the first data packet of the multiple data packets and pre-configured resource request information, where the pre-configured resource request information is used to request the base station to allocate the terminal for sending the The second pre-configured resource of the data packets other than the first data packet among the multiple data packets;
  • the second pre-configured resource may be a PUR resource or a CG resource.
  • the base station sends an RRC connection release message to the terminal, and at the same time configures a second pre-configured resource for the terminal.
  • S505 The terminal uses the first pre-configured resource and the second pre-configured resource to transmit the other data packet, or uses the second pre-configured resource to transmit the other data packet.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the terminal may also first obtain the maximum pre-configured number of the pre-configured resources.
  • the maximum pre-configured number of pre-configured resources may be configured by the base station and issued to the terminal; or
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • the number of second pre-configured resources acquired by the terminal may be the same as or different from the number of data packets that need to be transmitted.
  • the terminal can use the first pre-configured resource to transmit other data packets, or use the second pre-configured resource to transmit other data. Packets, the first pre-configured resource and the second pre-configured resource can also be used to transmit data packets. When the number of configured resources is less than the number of data packets, these resources can be used to periodically transmit data packets. For example, two pre-configured resources are used to transmit four data packets twice.
  • the base station may also send a second TA to the terminal at the same time when configuring the second pre-configured resource.
  • the second TA is used for uplink synchronization when the terminal uses the pre-configured resource to transmit data packets.
  • Sending the first data packet and the pre-configured resource request information through the first pre-configured resource can realize the acquisition of the second pre-configured resource, and then can realize the transmission of multiple data packets in the inactive state, and the terminal does not need to enter the connected state Thereby, the efficiency of information exchange and data transmission is improved, and the power consumption of the terminal is reduced.
  • FIG. 6 is another example provided by the embodiment of this application.
  • a schematic flow diagram of a method for transmitting data including the following steps:
  • the base station sends a radio resource control (Radio Resource Control, RRC for short) release message to the terminal to configure a first pre-configured resource for the terminal.
  • RRC Radio Resource Control
  • S602 The terminal verifies that the first TA is invalid, that is, uplink synchronization cannot be achieved, and the current PUR resource or CG resource cannot be used.
  • S603 The terminal sends msg1 to the base station
  • S604 The base station sends msg2 to the terminal;
  • S605 The terminal sends msg3 to the base station
  • a second pre-configured resource used for sending data packets other than the first data packet among the multiple data packets is allocated; the second pre-configured resource may be a PUR resource or a CG resource.
  • the base station sends an RRC connection release message to the terminal to configure the second pre-configured resource for the terminal.
  • S607 The terminal uses the second pre-configured resource to transmit the other data packet.
  • steps S603-S605 correspond to msg1-msg3 in the four-step random access method respectively.
  • the method shown in the embodiment of this application is also applicable to the scenario of the two-step random access method.
  • the steps in this application can be changed S603-S605 are replaced with msgA in the two-step random access method, and msgA carries the first data packet among multiple data packets and pre-configured resource request information. So as to complete the transmission of multiple data packets in the inactive state.
  • Sending the first data packet and pre-configured resource request information through msg3 or msgA makes reasonable use of the existing uplink authorized resources to achieve the acquisition of the second pre-configured resource, and then multiple data packets in the inactive state can be realized
  • the terminal does not need to enter the connected state, and does not need to perform random access interactions for multiple times, thereby improving the efficiency of information interaction and data transmission, and reducing the power consumption of the terminal.
  • the terminal may actively send pre-configured resource request information or other request information used to indicate the requirements of the terminal to the base station to request the base station to allocate the second pre-configured resource to the terminal.
  • the base station can also allocate the second pre-configured resource to the terminal according to the instruction information sent by the terminal, or the base station can actively monitor the state of the terminal to determine the transmission demand of the terminal, and then allocate the second pre-configured resource to the terminal. Resources, etc., this application does not make any restrictions.
  • the terminal may first send the indication information to the base station and then apply for the second pre-configured resource, or it may not send the indication information, and directly apply for the second pre-configured resource from the base station according to the transmission requirements of multiple data packets it exists.
  • FIG. 7 is a schematic flowchart of another data transmission method provided by an embodiment of the application; including:
  • a terminal in an inactive state has a transmission requirement for multiple data packets, the terminal sends the first one of the multiple data packets through the pre-configured first pre-configured resource or through msg3 or through msgA.
  • the pre-configured resource request information is sent to the network device, and the network device is requested to allocate the terminal for sending the first data packet of the plurality of data packets except the first data packet.
  • the terminal sends the other data packet through a pre-configured resource, where the pre-configured resource includes the first pre-configured resource and the second pre-configured resource, or the pre-configured resource includes the second pre-configured resource.
  • Configure resources
  • the terminal in the inactive state is used to transmit one or more data packets for example.
  • a terminal in an idle state can also use the method in the embodiments shown in FIGS. 2 to 6 to transmit one or more data packets, which is not limited in this application.
  • FIG. 8 is a schematic diagram of the composition of a communication device provided by an embodiment of this application; including:
  • the processing unit 100 is configured to generate instruction information, where the instruction information is used to instruct the terminal to send transmission information of one or more data packets when the terminal is in an inactive state;
  • the transceiver unit 200 is configured to send instruction information to a network device
  • the transceiving unit 200 is further configured to send the one or more data packets.
  • the indication information is used to indicate that the terminal has a transmission requirement for one or more data packets when the terminal is in an inactive state; the indication information is used to:
  • the indication information is used to indicate the state that the terminal is in when transmitting the one or more data packets, and the state includes an inactive state and a connected state. State; the indication information is used for:
  • the indication information is used to indicate that there is one or more data packet transmission information when the terminal is in the inactive state, and the indication information is used to indicate the expected presence of the terminal.
  • the state that the terminal is in when the one or more data packets are transmitted, and the state includes an inactive state and a connected state;
  • the instruction information is used for:
  • the indication information may be indicated by the preamble sent by the terminal to the network device;
  • the indication information is indicated by message 3 (msg3) or message A (msgA) in the random access process.
  • the indication information is indicated by msg3 or msgA in the random access process, including:
  • the indication information is indicated by a connection resume cause value in msg3 or msgA in the random access process;
  • the indication information is indicated by the first bit in msg3 or msgA in the random access process
  • the indication information is indicated by the first bit and the second bit in msg3 or msgA in the random access process.
  • transceiving unit 200 is also used for:
  • the maximum number of transmissions is configured by the network device and issued to the terminal; or
  • the maximum number of transmissions is requested by the terminal to configure the network device and issued to the terminal;
  • the maximum number of transmissions is pre-configured in the system message.
  • the processing unit 100 is further configured to:
  • the transceiver unit 200 Before the transceiver unit 200 sends the first data packet of the multiple data packets, verify the validity of the first timing advance (TA);
  • the transceiver unit 200 If it is verified that the first TA is valid, instruct the transceiver unit 200 to send the first data packet of the multiple data packets through the first pre-configured resource configured by the network device;
  • transceiver unit 200 Instruct the transceiver unit 200 to send pre-configured resource request information to the network device when sending the first data packet, and request the network device to allocate the terminal for sending the multiple data packets. Second pre-configured resources of data packets other than the first data packet;
  • the transceiving unit 200 is configured to send the other data packet through the first pre-configured resource and the second pre-configured resource, or the transceiving unit 200 sends the other data through the second pre-configured resource Bag.
  • the transceiver unit 200 is instructed to send msg3 or msgA to the network device to carry the first data packet of the multiple data packets and pre-configured resource request information, the pre-configured resource request The information is used to request the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit 200 is configured to send the other data packets through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • processing unit 100 is further configured to:
  • the maximum pre-configured number of the pre-configured resources is configured by the network device and issued to the terminal;
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • the transceiving unit 200 is further configured to:
  • the transceiver unit 200 of the communication device may also instruct the processing unit 100 to apply for the second pre-configured resource without sending the instruction information. Perform the flow of the method described in Figure 7.
  • the communication device includes:
  • the processing unit 100 is configured to generate pre-configured resource request information
  • the transceiving unit 200 if the terminal in the inactive state has a transmission requirement for multiple data packets, the transceiving unit 200 is configured to send the multiple data through the first pre-configured resource or through msg3 or through msgA.
  • the pre-configured resource request information is sent to the network device, and the network device is requested to allocate to the terminal for sending the multiple data packets except for the first data packet
  • the second pre-configured resource of other data packets is configured to send the multiple data through the first pre-configured resource or through msg3 or through msgA.
  • the transceiving unit 200 is further configured to send the other data packets through pre-configured resources, where the pre-configured resources include the first pre-configured resources and the second pre-configured resources, or the pre-configured resources include the The second pre-configured resource.
  • the processing unit 100 is further configured to:
  • the transceiver unit 200 is instructed to send the first data packet of the multiple data packets and the pre-configured resource request information through the first pre-configured resource pre-configured by the network device.
  • the pre-configured resource request information is used to request the network device to allocate a second pre-configured resource to the terminal for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit 200 is further configured to send the other data packets through the first pre-configured resource and the second pre-configured resource, or the transceiving unit 200 sends the data packet through the first or second pre-configured resource. Describe other data packages.
  • the processing unit 100 is further configured to verify the validity of the first timing advance (TA) before the transceiver unit 200 sends the first data packet of the multiple data packets ;
  • TA timing advance
  • the transceiver unit 200 is instructed to send msg3 or msgA to the network device, carrying the first data packet among the multiple data packets and pre-configured resource request information, and the pre-configured resource
  • the request information is used to request the network device to allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit 200 is further configured to send the other data packets through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • processing unit 100 is further configured to:
  • the maximum pre-configured number of the pre-configured resources is configured by the network device and issued to the communication device;
  • the maximum pre-configured number of the pre-configured resources is pre-configured in the system message.
  • transceiving unit 200 is also used for:
  • FIG. 9 is a schematic diagram of the composition of another communication device provided in an embodiment of this application; as shown in FIG. 9, the base station may include a processor 110, a memory 120 and a transceiver 130.
  • the processor 110, the memory 120, and the transceiver 130 are connected by a bus 140.
  • the memory 120 is used to store instructions, and the processor 110 is used to execute the instructions stored in the memory 120 to implement terminal execution in the method corresponding to Figures 2-6 above. A step of.
  • the processor 110 is configured to execute the instructions stored in the memory 120 to control the transceiver 130 to receive and send signals, and to complete the steps executed by the terminal in the foregoing method.
  • the memory 120 may be integrated in the processor 110, or may be provided separately from the processor 110.
  • the function of the transceiver 130 may be implemented by a transceiver circuit or a dedicated chip for transceiver.
  • the processor 110 may be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.
  • a general-purpose computer may be considered to implement the terminal provided in the embodiment of the present application.
  • the program code for realizing the functions of the processor 110 and the transceiver 130 is stored in the memory 120, and the general-purpose processor implements the functions of the processor 110 and the transceiver 130 by executing the codes in the memory 120.
  • the embodiment of the present application also provides a communication device, which may be a terminal or a circuit.
  • the communication device may be used to perform the actions performed by the terminal in the foregoing method embodiments.
  • FIG. 10 shows a simplified schematic diagram of the structure of the terminal. It is easy to understand and easy to illustrate.
  • the terminal uses a mobile phone as an example.
  • the terminal includes a processor, a memory, a radio frequency circuit, an antenna, and an input and output device.
  • the processor is mainly used to process the communication protocol and communication data, and to control the terminal device, execute the software program, and process the data of the software program.
  • the memory is mainly used to store software programs and data.
  • the radio frequency circuit is mainly used for the conversion of baseband signal and radio frequency signal and the processing of radio frequency signal.
  • the antenna is mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, keyboards, etc., are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal devices may not have input and output devices.
  • the processor When data needs to be sent, the processor performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal to the outside in the form of electromagnetic waves through the antenna.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, and the processor converts the baseband signal into data and processes the data.
  • FIG. 10 only one memory and processor are shown in FIG. 10. In an actual terminal device product, there may be one or more processors and one or more memories.
  • the memory may also be referred to as a storage medium or storage device.
  • the memory may be set independently of the processor, or may be integrated with the processor, which is not limited in the embodiment of the present application.
  • the antenna and radio frequency circuit with the transceiving function can be regarded as the transceiving unit of the terminal device
  • the processor with the processing function can be regarded as the processing unit of the terminal device.
  • the terminal includes a transceiver unit 1110 and a processing unit 1120.
  • the transceiving unit may also be referred to as a transceiver, a transceiver, a transceiving device, and so on.
  • the processing unit may also be called a processor, a processing board, a processing module, a processing device, and so on.
  • the device for implementing the receiving function in the transceiver unit 1110 can be regarded as the receiving unit, and the device for implementing the sending function in the transceiver unit 1110 as the sending unit, that is, the transceiver unit 1110 includes a receiving unit and a sending unit.
  • the transceiver unit may sometimes be referred to as a transceiver, transceiver, or transceiver circuit.
  • the receiving unit may sometimes be referred to as a receiver, a receiver, or a receiving circuit.
  • the sending unit may sometimes be called a transmitter, a transmitter, or a transmitting circuit.
  • transceiving unit 1110 is used to perform sending and receiving operations on the terminal side in the foregoing method embodiment, and the processing unit 1120 is used to perform other operations on the terminal device in the foregoing method embodiment except for the transceiving operation.
  • the transceiver unit 1110 is used to perform the sending operations on the terminal side in steps S201-S202 in FIG. 2, and/or the transceiver unit 1110 is also used to perform other transceivers on the terminal side in the embodiment of the present application.
  • the processing unit 1120 is configured to execute step S502 in FIG. 5 and step S602 in FIG. 6, and/or the processing unit 1120 is further configured to execute other processing steps on the terminal side in the embodiment of the present application.
  • the transceiver unit 1110 is configured to perform the receiving operation on the terminal side in step S501 and step S504 in FIG. 5 or the sending operation on the terminal side in step S503 and step S505, and/or the transceiver unit 1120 It is also used to perform other transceiving steps on the terminal device side in the embodiment of the present application.
  • the processing unit 1120 is configured to execute step S502 in FIG. 5, and/or the processing unit 1120 is further configured to execute other processing steps on the terminal device side in the embodiment of the present application.
  • the transceiver unit 1110 is configured to perform the receiving operation on the terminal side in step S601, step S604, and step S606 in FIG. 6, or the sending operation on the terminal side in step 603, step S605, and step S607. And/or the transceiving unit 1110 is also configured to perform other transceiving steps on the terminal device side in the embodiment of the present application.
  • the processing unit 1120 is configured to execute step S602 in FIG. 6, and/or the processing unit 1120 is further configured to execute other processing steps on the terminal side in the embodiment of the present application.
  • the transceiver unit 1110 is used to perform the terminal-side sending operations in step S701 and step S702 in FIG. Other sending and receiving steps.
  • the device may include a transceiver unit and a processing unit.
  • the transceiver unit may be an input/output circuit and/or a communication interface;
  • the processing unit is an integrated processor or microprocessor or integrated circuit.
  • the device shown in FIG. 11 can be referred to.
  • the device can perform functions similar to the processor 110 in FIG. 9.
  • the device includes a processor 1210, a data sending processor 1220, and a data receiving processor 1230.
  • the processing unit 200 in the foregoing embodiment may be the processor 1210 in FIG. 11, and completes corresponding functions.
  • the transceiving unit 100 in the foregoing embodiment may be the sending data processor 1220 and/or the receiving data processor 1230 in FIG. 11.
  • the channel encoder and the channel decoder are shown in FIG. 11, it can be understood that these modules do not constitute a restrictive description of this embodiment, and are only illustrative.
  • the processing device 1300 includes modules such as a modulation subsystem, a central processing subsystem, and a peripheral subsystem.
  • the communication device in this embodiment can be used as a modulation subsystem therein.
  • the modulation subsystem may include a processor 1303 and an interface 1304.
  • the processor 1303 completes the function of the aforementioned processing unit 100
  • the interface 1304 completes the function of the aforementioned transceiver unit 200.
  • the modulation subsystem includes a memory 1306, a processor 1303, and a program stored in the memory 1306 and running on the processor. When the processor 1303 executes the program, the terminal side of the above method embodiment is implemented method.
  • the memory 1306 can be non-volatile or volatile, and its location can be located inside the modulation subsystem or in the processing device 1300, as long as the memory 1306 can be connected to the The processor 1303 is fine.
  • a computer-readable storage medium is provided with instructions stored thereon, and when the instructions are executed, the method on the terminal side in the foregoing method embodiment is executed.
  • a computer program product containing instructions is provided, and when the instructions are executed, the method on the terminal side in the foregoing method embodiment is executed.
  • FIG. 13 is a schematic diagram of the composition of a network device provided by an embodiment of this application; it may include:
  • the transceiver unit 300 is configured to receive instruction information sent by a terminal, where the instruction information is used to instruct the terminal to send transmission information of one or more data packets when the terminal is in an inactive state;
  • the processing unit 400 is configured to, if the terminal needs to send multiple data packets in an inactive state, allocate pre-configured resources for transmitting the multiple data packets to the terminal.
  • the transceiver unit 300 is used to:
  • the processing unit 400 is configured to: allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit 300 is further configured to receive the other data packets sent by the terminal through the first pre-configured resource and the second pre-configured resource, or the network device receives the terminal through the first pre-configured resource. 2. The other data packets sent by the pre-configured resource.
  • the transceiver unit 300 is used to:
  • the processing unit 400 is configured to: allocate, for the terminal, a second pre-configured resource for sending data packets other than the first data packet among the multiple data packets;
  • the transceiving unit 300 is further configured to receive the other data packets sent by the terminal through the second pre-configured resource.
  • the pre-configured resource request information includes:
  • the number of pre-configured resources requested by the terminal and the configuration information corresponding to each pre-configured resource, the configuration information includes one or more of the following:
  • Transmission block size period of data packet transmission using corresponding pre-configured resources, transmission timing, time domain offset, layer 1 (L1) confirmation information, hybrid automatic retransmission process information, frequency domain allocation information, demodulation reference signal.
  • L1 layer 1
  • the transceiving unit 300 is further configured to
  • TA timing advance
  • FIG. 14 is a schematic diagram of the composition of another network device provided by an embodiment of this application; as shown in FIG. 14, the network device may include a processor 210, a memory 220 and a transceiver 230.
  • the processor 210, the memory 220, and the transceiver 230 are connected by a bus 240.
  • the memory 220 is used to store instructions.
  • the processor 210 is used to execute the instructions stored in the memory 220 to implement the base station execution in the method corresponding to Figures 5-6 above. A step of.
  • the processor 210 is configured to execute instructions stored in the memory 220 to control the transceiver 230 to receive and send signals, and to complete the steps performed by the base station in the above method.
  • the memory 220 may be integrated in the processor 210, or may be provided separately from the processor 210.
  • the function of the transceiver 230 may be realized by a transceiver circuit or a dedicated chip for transceiver.
  • the processor 210 may be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.
  • a general-purpose computer may be considered to implement the network device provided in the embodiment of the present application.
  • the program codes for realizing the functions of the processor 210 and the transceiver 230 are stored in the memory 220, and the general-purpose processor implements the functions of the processor 210 and the transceiver 230 by executing the codes in the memory 220.
  • the device 1300 includes one or more radio frequency units, such as a remote radio unit (RRU) 1310 and one or more A baseband unit (BBU for short) (also referred to as a digital unit, DU for short) 1320.
  • the RRU 1310 may be called a transceiver module, which corresponds to the transceiver unit 300 in FIG. 13.
  • the transceiver module may also be called a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna 1311 ⁇ RF unit 1312.
  • the RRU 1310 part is mainly used for receiving and sending radio frequency signals and conversion between radio frequency signals and baseband signals, for example, for sending resource configuration information to the terminal.
  • the 1310 part of the BBU is mainly used for baseband processing, control of the base station, and so on.
  • the RRU 1310 and the BBU 1320 may be physically set together, or may be physically separated, that is, a distributed base station.
  • the BBU 1320 is the control center of the base station, and may also be called a processing module, which may correspond to the processing unit 400 in FIG. 13, and is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, and spreading.
  • the BBU processing module
  • the BBU may be used to control the base station to execute the operation procedure of the network device in the foregoing method embodiment, for example, to generate a second pre-configured resource for the terminal.
  • the BBU 1320 may be composed of one or more single boards, and multiple single boards may jointly support a radio access network (such as an LTE network) of a single access standard, or can support different access standards. Wireless access network (such as LTE network, 5G network or other networks).
  • the BBU 1320 also includes a memory 1321 and a processor 1322.
  • the memory 1321 is used to store necessary instructions and data.
  • the processor 1322 is used to control the base station to perform necessary actions, for example, used to control the base station to execute the operation procedure of the network device in the foregoing method embodiment.
  • the memory 1321 and the processor 1322 may serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits can be provided on each board.
  • a computer-readable storage medium is provided, and an instruction is stored thereon.
  • the instruction is executed, the method on the base station side in the foregoing method embodiment is executed.
  • a computer program product containing instructions is provided, when the instructions are executed, the method on the base station side in the foregoing method embodiment is executed.
  • FIG. 9 and FIG. 14 In an actual controller, there can be multiple processors and memories.
  • the memory may also be referred to as a storage medium or a storage device, etc., which is not limited in the embodiment of the present application.
  • the processor may be a central processing unit (Central Processing Unit, CPU for short), and the processor may also be other general-purpose processors, digital signal processors (Digital Signal Processing, DSP for short), Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processing
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • the memory mentioned in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be Read-Only Memory (Read-Only Memory, ROM for short), Programmable ROM (Programmable ROM, PROM for short), Erasable PROM (EPROM for short) , Electrically erasable programmable read-only memory (Electrically EPROM, EEPROM for short) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM for short), which is used as an external cache.
  • RAM synchronous dynamic random access memory
  • static random access memory SRAM for short
  • dynamic random access memory DRAM for short
  • synchronous dynamic random access memory Synchronous RAM
  • DRAM double data rate synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate SDRAM
  • Enhanced SDRAM synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM for short
  • Direct Rambus RAM DR RAM for short
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component
  • the memory storage module
  • the bus may also include a power bus, a control bus, and a status signal bus.
  • various buses are marked as buses in the figure.
  • each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. In order to avoid repetition, it will not be described in detail here.
  • the embodiment of the present application also provides a system, which includes the aforementioned base station and terminal.
  • the size of the sequence numbers of the above-mentioned processes does not imply the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not correspond to the implementation process of the embodiments of the present application. Constitute any limitation.
  • ILB illustrative logical blocks
  • steps described in the embodiments disclosed herein can be implemented by electronic hardware or a combination of computer software and electronic hardware. accomplish. Whether these functions are executed by hardware or software depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered as going beyond the scope of this application.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer 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 instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state hard disk).

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

Abstract

La présente invention porte, dans les modes de réalisation, sur un procédé de transmission de données, sur un appareil de communication et sur un dispositif de réseau. Le procédé comprend les étapes suivantes : un terminal envoie des informations d'instruction à un dispositif de réseau, les informations d'instruction étant utilisées pour ordonner au terminal d'envoyer, dans un état inactif, des informations de transmission d'un ou de plusieurs paquets de données ; le terminal envoie le ou les paquets de données. Au moyen des modes de réalisation de la présente invention, un terminal peut avertir un côté réseau de ses propres informations de transmission dans un état actif pour faciliter une commande d'état de transmission et des configurations de ressources associées sur le terminal par le côté réseau, ce qui permet de mettre en œuvre une transmission de données par le terminal dans un état inactif et de faciliter la réduction de la consommation d'énergie du terminal.
PCT/CN2021/101992 2020-06-24 2021-06-24 Procédé de transmission de données, appareil de communication et dispositif de réseau Ceased WO2021259346A1 (fr)

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