WO2022261893A1 - Procédé et appareil de traitement de transmission de données, ainsi que terminal et support d'enregistrement - Google Patents

Procédé et appareil de traitement de transmission de données, ainsi que terminal et support d'enregistrement Download PDF

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Publication number
WO2022261893A1
WO2022261893A1 PCT/CN2021/100587 CN2021100587W WO2022261893A1 WO 2022261893 A1 WO2022261893 A1 WO 2022261893A1 CN 2021100587 W CN2021100587 W CN 2021100587W WO 2022261893 A1 WO2022261893 A1 WO 2022261893A1
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Prior art keywords
sdt
rsrp
ssb
rsrp threshold
threshold
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PCT/CN2021/100587
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English (en)
Chinese (zh)
Inventor
林雪
尤心
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2021/100587 priority Critical patent/WO2022261893A1/fr
Priority to CN202180096976.1A priority patent/CN117136623A/zh
Publication of WO2022261893A1 publication Critical patent/WO2022261893A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • 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
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present application relates to the technical field of wireless communication, and in particular to a data transmission processing method, device, terminal and storage medium.
  • Small Data Transmission is a technology based on energy-saving considerations that enables the terminal to perform data transmission in the RRC_IDLE state (ie idle state) or RRC_INACTIVE state (ie inactive state).
  • the UE when there is a valid Configured Grant (CG) resource on the carrier selected by the UE, the UE preferentially selects CG-SDT; otherwise, if there is a random access RA-SDT resource on the carrier selected by the UE , the UE selects RA-SDT.
  • CG Configured Grant
  • Embodiments of the present application provide a data transmission processing method, device, terminal, and storage medium. Described technical scheme is as follows:
  • an embodiment of the present application provides a data transmission processing method, the method is executed by a terminal, and the method includes:
  • the data transmission mode includes executing RA-SDT or performing fallback
  • the performing fallback includes: falling back to the random access RA process, Or, fall back to the radio resource control RRC connection recovery procedure.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the reference signal SS-RSRP corresponding to at least one SSB is higher than or equal to the first RSRP threshold, select one SSB from the SSBs whose corresponding SS-RSRP is higher than or equal to the first RSRP threshold to perform RA- SDT.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the RA process is executed according to the RA configuration on the current bandwidth part BWP.
  • the corresponding RA-SDT type selected by the terminal is executed.
  • the RA process includes:
  • the second RSRP threshold is a threshold for selecting the SSB of the RA.
  • the first RSRP threshold is equal to the second RSRP threshold
  • the first RSRP threshold and the second RSRP threshold are the same threshold parameter
  • the first RSRP threshold is not equal to the second RSRP threshold.
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP, and
  • the first RSRP threshold is equal to the second RSRP threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 2-step RA process;
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP, and
  • the first RSRP threshold is not equal to the second RSRP threshold, a 2-step RA process is performed according to the SSB determined by the second RSRP threshold.
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is equal to the second RSRP
  • the threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 4-step RA process
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is not equal to the second
  • the SSB determined according to the second RSRP threshold performs a 4-step RA process.
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and the current BWP does not have resources for 2-step RA , performing a 4-step RA process according to the SSB determined by the second RSRP threshold.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the terminal falls back to the 4-step RA process.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the terminal When there is no SSB with a corresponding SS-RSRP higher than or equal to the first RSRP threshold, the terminal falls back to the RA process, and reselects the RA type according to the third RSRP threshold;
  • the third RSRP threshold is used for the terminal to select between two RA types.
  • the determining and executing the data transmission method according to the selection result of the SSB used for RA-SDT includes:
  • the method before selecting the synchronization signal block SSB for random access small data transmission RA-SDT according to the first reference signal received power RSRP threshold, the method further includes:
  • the first condition includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • a data transmission processing method is provided, the method is executed by a terminal, and the method includes:
  • the second condition includes: there is an SSB whose corresponding SS-RSRP is greater than or equal to the first RSRP threshold.
  • the first RSRP threshold is carried by configuration information of 2-step RA-SDT;
  • the first RSRP threshold is carried by configuration information of 4-step RA-SDT.
  • the second condition further includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the method further includes:
  • an embodiment of the present application provides a data transmission processing device, the device is used in a terminal, and the device includes:
  • a selection module configured to select a synchronization signal block SSB for random access small data transmission RA-SDT according to the first reference signal received power RSRP threshold;
  • a processing module configured to determine and execute a data transmission method according to the selection result of the SSB used for RA-SDT, the data transmission method includes executing RA-SDT or performing fallback, and the execution fallback includes: falling back to random Access the RA procedure, or fall back to the radio resource control RRC connection recovery procedure.
  • the processing module is configured to:
  • the reference signal SS-RSRP corresponding to at least one SSB is higher than or equal to the first RSRP threshold, select one SSB from the SSBs whose corresponding SS-RSRP is higher than or equal to the first RSRP threshold to perform RA- SDT.
  • the processing module is configured to:
  • the processing module is configured to:
  • the RA process is executed according to the RA configuration on the current bandwidth part BWP.
  • the processing module is configured to:
  • the processing module is configured to:
  • the second RSRP threshold is a threshold for selecting the SSB of the RA.
  • the first RSRP threshold is equal to the second RSRP threshold
  • the first RSRP threshold and the second RSRP threshold are the same threshold parameter
  • the first RSRP threshold is not equal to the second RSRP threshold.
  • the processing module is configured to:
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP, and
  • the first RSRP threshold is equal to the second RSRP threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 2-step RA process;
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP, and
  • the first RSRP threshold is not equal to the second RSRP threshold, a 2-step RA process is performed according to the SSB determined by the second RSRP threshold.
  • the processing module is configured to:
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is equal to the second RSRP
  • the threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 4-step RA process
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is not equal to the second
  • the SSB determined according to the second RSRP threshold performs a 4-step RA process.
  • the processing module is configured to:
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there is no 2-step RA resource in the current BWP, according to the The SSB determined by the second RSRP threshold performs a 4-step RA process.
  • the processing module is configured to:
  • the terminal falls back to the 4-step RA process.
  • the processing module is configured to:
  • the terminal When there is no SSB with a corresponding SS-RSRP higher than or equal to the first RSRP threshold, the terminal falls back to the RA process, and reselects the RA type according to the third RSRP threshold;
  • the third RSRP threshold is used for the terminal to select between two RA types.
  • the processing module is configured to:
  • the selection module is further configured to, before selecting the SSB for RA-SDT according to the first RSRP threshold, when the terminal is in the RRC inactive state and meets the first condition, select Processing in the form of RA-SDT;
  • the first condition includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • an embodiment of the present application provides a data transmission processing device, the device is used in a terminal, and the device includes:
  • a selection module configured to execute RA-SDT when the terminal is in an RRC inactive state and satisfies a second condition
  • the second condition includes: there is an SSB whose corresponding SS-RSRP is greater than or equal to the first RSRP threshold.
  • the first RSRP threshold is carried by configuration information of 2-step RA-SDT;
  • the first RSRP threshold is carried by configuration information of 4-step RA-SDT.
  • the second condition further includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the selection module is further configured to execute RA when the terminal is in an RRC inactive state and does not meet the second condition.
  • an embodiment of the present application provides a computer device, the computer device includes a processor, a memory, and a transceiver, the memory stores a computer program, and the computer program is used to be executed by the processor to The above data transmission processing method is realized.
  • an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is loaded and executed by a processor to implement the above data transmission processing method.
  • a computer program product comprising computer instructions stored on a computer readable storage medium.
  • the processor of the computer device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the computer device executes the above data transmission processing method.
  • a chip is provided, and the chip is used to run in a computer device, so that the computer device executes the above data transmission processing method.
  • a computer program is provided, the computer program is executed by a processor of a computer device to implement the above data transmission processing method.
  • the terminal can select the SSB for RA-SDT according to an RSRP threshold, and determine whether to perform RA-SDT or perform fallback according to the selection result, thus providing a method of performing RA-SDT or RA-SDT according to the RSRP threshold.
  • a fallback plan For the uplink small data process, the terminal can select the SSB for RA-SDT according to an RSRP threshold, and determine whether to perform RA-SDT or perform fallback according to the selection result, thus providing a method of performing RA-SDT or RA-SDT according to the RSRP threshold.
  • a fallback plan A fallback plan.
  • FIG. 1 is a schematic diagram of a network architecture of a communication system provided by an embodiment of the present application
  • FIG. 2 is a flowchart of a data transmission processing method provided by an embodiment of the present application.
  • FIG. 3 is a flowchart of a data transmission processing method provided by an embodiment of the present application.
  • Fig. 4 is a schematic flow chart of executing RA-SDT involved in the embodiment shown in Fig. 3;
  • Fig. 5 is a schematic flow chart of executing rollback involved in the embodiment shown in Fig. 3;
  • Fig. 6 is a schematic flow chart of executing rollback involved in the embodiment shown in Fig. 3;
  • FIG. 7 is a flowchart of a data transmission processing method provided by an embodiment of the present application.
  • FIG. 8 is a flowchart of a data transmission processing method provided by an embodiment of the present application.
  • FIG. 9 is a block diagram of a data transmission processing device provided by an embodiment of the present application.
  • FIG. 10 is a block diagram of a data transmission processing device provided by an embodiment of the present application.
  • Fig. 11 is a schematic structural diagram of a computer device provided by an embodiment of the present application.
  • the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
  • the evolution of the technology and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.
  • FIG. 1 shows a schematic diagram of a network architecture of a communication system provided by an embodiment of the present application.
  • the network architecture may include: a terminal 10 and a base station 20 .
  • the number of terminals 10 is generally multiple, and one or more terminals 10 may be distributed in a cell managed by each base station 20 .
  • the terminal 10 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, as well as various forms of user equipment (User Equipment, UE), mobile station ( Mobile Station, MS), terminal device (terminal device) and so on.
  • UE User Equipment
  • MS Mobile Station
  • terminal device terminal device
  • the base station 20 is a device deployed in an access network to provide a wireless communication function for the terminal 10 .
  • the base station 20 may include various forms of satellite base stations, macro base stations, micro base stations, relay stations, access points and so on.
  • the names of devices with base station functions may be different.
  • gNodeB 5G New Radio
  • gNB 5G New Radio
  • the name "base station” may change as communication technology evolves.
  • the above-mentioned devices that provide the wireless communication function for the terminal 10 are collectively referred to as base stations.
  • the above-mentioned network architecture also includes other network devices, such as: a central control node (Central Network Control, CNC), an access and mobility management function (Access and Mobility Management Function, AMF ) device, session management function (Session Management Function, SMF) or user plane function (User Plane Function, UPF) device, etc.
  • a central control node Central Network Control, CNC
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • the "5G NR system" in the embodiments of the present disclosure may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solutions described in the embodiments of the present disclosure can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system, or can also be applied to the system before the 5G NR system, such as Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • the 5G NR system is a new generation of wireless communication system proposed based on users' requirements for wireless communication speed, delay, high-speed mobility, and energy efficiency, as well as the diversity and complexity of wireless communication services in future life.
  • the main application scenarios of the 5G system are: Enhanced Mobile Broadband (eMBB), Ultra-reliable and Low Latency Communications (URLLC), Massive Machine Type Communication (mMTC) ).
  • eMBB Enhanced Mobile Broadband
  • URLLC Ultra-reliable and Low Latency Communications
  • mMTC Massive Machine Type Communication
  • RRC_INACTIVE a new Radio Resource Control (RRC) state
  • RRC_INACTIVE a new Radio Resource Control (RRC) state
  • RRC_IDLE RRC idle state
  • RRC_ACTIVE RRC connected state
  • RRC_IDLE Mobility is UE-based cell selection and reselection, paging is initiated by the Core Network (CN), the paging area is configured by the CN, there is no UE context on the base station side, and there is no RRC connection between the UE and the base station.
  • CN Core Network
  • RRC_CONNECTED There is an RRC connection between the UE and the base station, and there is a UE context between the base station and the UE.
  • the network side knows the location of the UE at the specific cell level. Mobility is mobility controlled by the network side. Unicast data can be transmitted between the UE and the base station.
  • RRC_INACTIVE Mobility is UE-based cell selection and reselection, there is a connection between CN-NR, UE context exists on a base station, paging is triggered by Radio Access Network (RAN), RAN-based paging The paging area is managed by the RAN, and the network side knows the location of the UE based on the paging area level of the RAN.
  • RAN Radio Access Network
  • LTE UP EDT Long Term Evolution Up Early Data Transmission
  • EDT ie Small Data Transmission
  • the UE may always remain in the idle state, suspend state or inactive state, and completes the transmission of uplink and/or downlink small data packets.
  • the network will configure a maximum transport block (Transport Block, TB) size that the current network allows transmission on SIB2, and the UE judges the amount of data to be transmitted. If it is less than the maximum TB size broadcast, the UE can initiate EDT On the contrary, the UE uses the normal connection establishment process and enters the connected state to transmit data.
  • Transport Block Transport Block
  • the base station can directly submit the uplink data to the core network after receiving the connection recovery request and the uplink data sent by the UE.
  • the use of pre-configured uplink resource PUR for data transmission in IDLE state is introduced.
  • the PUR is only valid in the currently configured cell, that is, when the UE detects a cell change and initiates random access in the new cell, the UE needs to release the PUR configured in the original cell.
  • the PUR transmission process is similar to LTE UP EDT, except that the process of sending a preamble to obtain a timing advance (Timing Advance, TA) and an uplink scheduling grant (UpLink grant, UL grant) is omitted.
  • RRC_IDLE RRC idle state
  • RRC_INACTIVE RRC inactive state
  • RRC_CONNECTED RRC connected state
  • the RRC_INACTIVE state is a new state introduced by the 5G system from the perspective of energy saving.
  • the radio bearer and all radio resources will be released, but the UE side and the base station side retain the UE access context to quickly restore the RRC connection.
  • UEs with infrequent data transmission are kept in the RRC_INACTIVE state.
  • the UE in the RRC_INACTIVE state does not support data transmission.
  • Rel-17 set up a project to carry out research on small data transmission SDT under RRC_INACTIVE.
  • the project goals mainly have two directions: uplink small data transmission based on random access process (two-step/four-step) and based on pre-configured resources (such as CG type1) uplink small data transmission.
  • a clear criterion is needed for the UE to select SDT resources.
  • the UE when there are valid CG resources on the carrier selected by the UE, the UE preferentially selects CG-SDT; otherwise, if there are random access SDT (Random Access SDT, RA-SDT) resources on the carrier selected by the UE, then The UE selects RA-SDT, and further selects between 2-step RA-SDT and 4-step RA-SDT according to the Reference Signal Receiving Power (RSRP) threshold.
  • RSRP Reference Signal Receiving Power
  • FIG. 2 shows a data transmission processing method provided by an embodiment of the present application.
  • the method may be performed by a terminal, where the foregoing terminal may be a terminal in the network architecture shown in FIG. 1 .
  • the method may include the steps of:
  • Step 201 select a synchronization signal block SSB for random access small data transmission RA-SDT according to the first reference signal received power RSRP threshold.
  • Step 202 determine and execute the data transmission method according to the selection result of the SSB used for RA-SDT, the data transmission method includes executing RA-SDT or performing fallback, and the execution fallback includes: falling back to the random access RA process , or, fall back to the radio resource control RRC connection recovery procedure.
  • the terminal can select the SSB for RA-SDT according to an RSRP threshold, and determine whether to perform RA-SDT or SSB according to the selection result. Fallback, so as to provide a solution to perform RA-SDT or fallback according to the RSRP threshold.
  • FIG. 3 shows a data transmission processing method provided by an embodiment of the present application.
  • the method may be performed by a terminal, where the foregoing terminal may be a terminal in the network architecture shown in FIG. 1 .
  • the method may include the steps of:
  • step 301 when the terminal is in the RRC inactive state and meets the first condition, choose to perform processing in the manner of RA-SDT.
  • the terminal when the terminal is in the RRC inactive state, if there is data to be transmitted, it may detect whether the first condition for selecting RA-SDT is satisfied.
  • the first condition includes at least one of the following conditions:
  • Radio Bearer Radio Bearer
  • the terminal can detect whether all the data to be transmitted comes from radio bearers that are allowed to trigger SDT. If so, the subsequent conditions for starting RA-SDT transmission may be met; The conditions for subsequent initiation of RA-SDT transmission are not met.
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network.
  • the terminal can detect whether the amount of data to be transmitted is less than or equal to the data volume threshold configured by the network (for example, the data volume threshold can be the maximum TB size pre-configured on the network side) , if yes, then the condition for starting the subsequent RA-SDT transmission may be satisfied; otherwise, it is considered that the condition for starting the subsequent RA-SDT transmission is not satisfied.
  • the data volume threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT.
  • the terminal can detect whether the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT. The conditions for subsequent initiation of RA-SDT transmission are not met.
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the terminal can detect whether the currently selected carrier has RA-SDT resources and no valid CG-SDT resources. If so, it may satisfy the subsequent start of RA-SDT transmission Otherwise, it is considered that the condition for starting the subsequent RA-SDT transmission is not met.
  • the terminal can perform the CG-SDT process first; or, if the selected carrier does not have RA-SDT resources, the terminal considers that the subsequent RA-SDT transmission is not met. condition.
  • Step 302 select the SSB for RA-SDT according to the first RSRP threshold.
  • the terminal determines to select RA-SDT for processing, and selects the SSB for RA-SDT according to the first RSRP threshold.
  • the terminal when the terminal determines to select RA-SDT for processing, the terminal may detect whether there is a reference signal SS-RSRP corresponding to at least one SSB that is higher than or equal to the first An RSRP threshold, if yes, select an SSB for RA-SDT from the SSBs whose corresponding SS-RSRP is higher than or equal to the first RSRP threshold.
  • the terminal determines to select RA-SDT for processing, if there is at least one reference signal SS-RSRP corresponding to SSB higher than or equal to the first RSRP threshold , select any SSB as the SSB for RA-SDT.
  • the terminal determines to select RA-SDT for processing, if there is no reference signal SS-RSRP corresponding to at least one SSB higher than or equal to the first RSRP threshold, the SSB for RA-SDT is not selected.
  • Step 303 determine and execute the data transmission mode according to the selection result of the SSB used for RA-SDT, the data transmission mode includes executing RA-SDT or performing fallback, and performing fallback includes: falling back to the random access RA process, Or, fall back to the radio resource control RRC connection recovery procedure.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the reference signal SS-RSRP corresponding to at least one SSB is higher than or equal to the first RSRP threshold, select one SSB from the SSBs whose corresponding SS-RSRP is higher than or equal to the first RSRP threshold to perform RA-SDT.
  • the terminal detects that there is at least one SSB corresponding to a reference signal SS-RSRP higher than or equal to the first RSRP threshold, and the corresponding SS-RSRP is higher than or equal to the first RSRP threshold If one of the SSBs is selected for RA-SDT, the RA-SDT process can be performed through the selected SSB.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • any SSB is selected to perform RA-SDT.
  • the terminal if the terminal detects that there is no reference signal SS-RSRP corresponding to at least one SSB higher than or equal to the first RSRP threshold, and randomly selects an SSB for RA-SDT, it can pass The selected SSB performs the RA-SDT procedure.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the RA process is executed according to the RA configuration on the current bandwidth part BWP.
  • the terminal detects that there is no reference signal SS-RSRP corresponding to at least one SSB higher than or equal to the first RSRP threshold, and the SSB used for RA-SDT is not selected, the current BWP
  • the RA configuration above performs the RA process.
  • the RA process is performed according to the RA configuration on the current bandwidth part BWP, including:
  • the terminal when the terminal executes the RA procedure according to the RA configuration on the current BWP, the terminal may execute the corresponding RA procedure according to the selected RA-SDT type.
  • the second RSRP threshold is a threshold for selecting the SSB of the RA.
  • the terminal when the terminal executes the RA process corresponding to the RA-SDT type selected by the terminal according to the RA configuration on the current BWP, it can combine the RA configuration, the first RSRP threshold, and the SSB used to select RA
  • the second RSRP threshold is used to execute the RA process corresponding to the RA-SDT type selected by the terminal.
  • the first RSRP threshold is equal to the second RSRP threshold; that is, two RSRP thresholds are configured in the terminal, which are respectively the first RSRP threshold and the second RSRP threshold, and the two The values of the RSRP thresholds are equal.
  • the first RSRP threshold and the second RSRP threshold are the same threshold parameter; that is, a single RSRP threshold is configured in the terminal, and the single PSRP threshold is used as the first RSRP threshold and also as the second RSRP threshold .
  • the first RSRP threshold is not equal to the second RSRP threshold; that is, two RSRP thresholds are configured in the terminal, namely the first RSRP threshold and the second RSRP threshold, and the values of the two RSRP thresholds are not equal .
  • the first RSRP threshold and the second RSRP threshold execute the The RA process corresponding to the RA-SDT type selected by the terminal includes:
  • the RA-SDT type selected by the terminal is 2-step RA-SDT
  • the first When an RSRP threshold is equal to the second RSRP threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 2-step RA process; that is, in combination with RA configuration, the first RSRP threshold , and the second RSRP threshold used to select the SSB of RA to execute the RA process corresponding to the RA-SDT type selected by the terminal, if the RA-SDT type currently selected by the terminal is 2-step RA-SDT, there is a user
  • the terminal can randomly select an SSB to perform the 2-step RA process corresponding to the 2-step RA-
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP
  • a 2-step RA process is performed according to the SSB determined by the second RSRP threshold; that is, in combination with the RA configuration, the first RSRP threshold, and the
  • the second RSRP threshold of SSB is used to execute the RA process corresponding to the RA-SDT type selected by the terminal, if the RA-SDT type currently selected by the terminal is 2-step RA-SDT, there are resources for 2-step RA on the current BWP
  • the terminal can execute the 2-step RA process corresponding to the 2-step RA-SDT according to the SSB determined by the second RSRP threshold
  • the first RSRP threshold and the second RSRP threshold execute the The RA process corresponding to the RA-SDT type selected by the terminal includes:
  • the RA-SDT type selected by the terminal is 4-step RA-SDT
  • the first RSRP threshold is equal to the second RSRP threshold or the first RSRP threshold
  • the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 4-step RA process; that is, after combining the RA configuration, the first RSRP threshold, and the second RSRP used to select the SSB of RA Threshold, when performing the RA process corresponding to the RA-SDT type selected by the terminal, if the RA-SDT type currently selected by the terminal is 4-step RA-SDT, there are resources for 4-step RA on the current BWP, and the first RSRP threshold If it is equal to the second RSRP or is the same parameter, the terminal can randomly select an SSB to perform the 4-step RA process corresponding to the 4-step RA-S
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is not equal to the second RSRP threshold Time-limited, perform a 4-step RA process based on the SSB determined by the second RSRP threshold; that is, perform terminal selection in conjunction with the RA configuration, the first RSRP threshold, and the second RSRP threshold used to select the SSB of the RA
  • the terminal can execute the 4-step RA process corresponding to the 4-step RA-SDT according to the SSB determined by the second RSRP threshold.
  • the first RSRP threshold and the second RSRP threshold execute the The RA process corresponding to the RA-SDT type selected by the terminal includes:
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and the current BWP does not have resources for 2-step RA, according to
  • the SSB determined by the second RSRP threshold performs a 4-step RA process; that is, a terminal-selected RA-SDT is performed in conjunction with the RA configuration, the first RSRP threshold, and the second RSRP threshold used to select the SSB of the RA
  • the terminal can directly determine the SSB according to the second RSRP threshold.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the terminal falls back to the 4-step RA process.
  • the terminal may directly fall back to the 4-step RA process, for example, according to The SSB determined by the second RSRP threshold directly executes the 4-step RA process.
  • the data transmission mode is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the terminal When there is no SSB corresponding to the SS-RSRP higher than or equal to the first RSRP threshold, the terminal falls back to the RA process, and reselects the RA type according to the third RSRP threshold;
  • the third RSRP threshold is used for the terminal to select between two RA types.
  • the process of the terminal falling back to the RA process and reselecting the RA type according to the third RSRP threshold includes two implementation methods:
  • Mode 1 directly select the RA type according to the third RSRP without re-executing the carrier selection;
  • Mode 2 Carrier selection and other steps are performed again, that is, a complete RACH process is completed.
  • the terminal may fall back to the RA process of reselecting the RA type, For example, the RA type is first selected through the third RSRP threshold, and then the RA process corresponding to the selected RA type is executed according to the SSB determined by the second RSRP threshold.
  • the data transmission method when the data transmission method includes performing fallback, the data transmission method is determined and executed according to the selection result of the SSB used for RA-SDT, including:
  • the terminal may select an SSB to perform the RA-SDT process.
  • FIG. 4 shows a schematic flowchart of executing RA-SDT according to the embodiment of the present application. As shown in Figure 4, the process may include the following steps:
  • the UE in the RRC_INACTIVE state selects RA-SDT when the first condition is met.
  • the first condition may at least include:
  • All data to be transmitted comes from RBs that are allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the behaviors performed by UE after selecting RA-SDT include at least:
  • S42a Select the RA-SDT type. For example, if only one type of RA-SDT resource is configured on the current BWP, that is, one of 2-step RA-SDT or 4-step RA-SDT, the UE selects the current BWP. The configured RA-SDT type; otherwise, the UE performs selection between 2-step RA-SDT and 4-step RA-SDT according to the fourth RSRP threshold, wherein the fourth RSRP threshold is used for the UE to select between the two RA-SDT Choose between SDT types.
  • initialize parameter configuration for example, initial power configuration, maximum number of transmission times configuration, RSRP threshold configuration, etc.
  • S42c Perform random access resource selection, including: selecting an SSB according to the first RSRP threshold.
  • the UE selects one of them to perform RA-SDT; for example, assuming that 8 SSBs are currently supported, the UE measures the reference signal of each SSB and determines the downlink RSRP measurement result corresponding to each SSB , and then compare the measurement results of these 8 SSBs with the first RSRP threshold to determine whether the RSRP measurement result of at least one SSB is greater than the first RSRP threshold.
  • the UE selects one SSB to perform RA-SDT.
  • S42d Select an access preamble (preamble), a paging occasion (Paging Occasion, PO), or a random access occasion (RACH Occasion, RO).
  • the terminal may fall back to RA and re-execute the RA process.
  • FIG. 5 shows a schematic flowchart of performing rollback according to the embodiment of the present application. As shown in Figure 5, the process may include the following steps:
  • the UE in the RRC_INACTIVE state selects RA-SDT when the first condition is met.
  • This first condition includes at least:
  • All the data to be transmitted comes from the RB (Radio bearer, radio bearer) that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the behavior of UE after selecting RA-SDT includes at least:
  • S52a Select an RA-SDT type. For example, if only one type of RA-SDT resource is configured on the current BWP, that is, one of 2-step RA-SDT or 4-step RA-SDT, the UE selects the RA-SDT type configured on the current BWP; Otherwise, the UE performs selection between 2-step RA-SDT and 4-step RA-SDT according to the fourth RSRP threshold, wherein the fourth RSRP threshold is used for the UE to select between the two RA-SDT types; For example, when the RSRP measured by the UE is greater than the third RSRP threshold, 2-step RA-SDT is selected, otherwise 4-step RA-SDT is selected.
  • the process can include:
  • the UE behavior includes:
  • the UE initiates a legacy RA and/or indicates to the upper layer that the SDT process has not been successfully completed or cancelled.
  • the process can include:
  • the UE can also indicate that the upper layer SDT process has been canceled or has not been successfully completed, and the upper layer triggers the legacy RRC resume process.
  • the above-mentioned high layer may be the RRC layer and/or the NAS layer.
  • the terminal may fall back to RA and re-execute the RA process.
  • FIG. 6 shows a schematic flowchart of performing rollback according to the embodiment of the present application. As shown in Fig. 6, the process may include the following steps.
  • the UE in the RRC_INACTIVE state selects RA-SDT when the first condition is met.
  • the first condition includes at least:
  • All the data to be transmitted comes from the RB (Radio Bearer, radio bearer) that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the behavior of UE after selecting RA-SDT includes at least:
  • S62a Select the RA-SDT type. Specifically, if only one type of RA-SDT resource is configured on the current BWP, that is, one of 2-step RA-SDT or 4-step RA-SDT, the UE selects the current BWP The RA-SDT type configured above; otherwise, the UE performs selection between 2-step RA-SDT and 4-step RA-SDT according to the fourth RSRP threshold, where the fourth RSRP threshold is used for the UE to select between the two RAs - Choose between SDT types;
  • S62c Perform random access resource selection.
  • the process includes: selecting SSBs according to the first RSRP threshold; if there is at least one SSB greater than the first RSRP threshold, the UE selects one of them to perform RA-SDT; if none of the SSBs is greater than the first RSRP threshold, the behavior of the UE includes: consider SDT If the process is not successfully completed or the SDT is canceled, the UE initiates a legacy RA and/or indicates to the upper layer that the SDT process has not been successfully completed or cancelled.
  • the process can include:
  • the UE will fall back to 2-step RA. If the current BWP is not configured with 2-step RA, it will fall back to 4-step RA; if the UE selects If the RA-SDT type is 4-step RA-SDT, the UE falls back to 4-step RA; or the UE falls back to 4-step RA;
  • the UE If the UE falls back from 2-step RA-SDT to 2-step RA, and the first RSRP threshold is equal to the second RSRP threshold, or the first RSRP threshold is the same as the second RSRP threshold, the UE randomly selects an SSB to perform 2-step RA; if the first RSRP threshold is not equal to the second RSRP threshold, the UE determines the SSB to perform 2-step RA according to the second RSRP threshold;
  • the UE If the UE falls back from 4-step RA-SDT to 4-step RA, and the first RSRP threshold is equal to the second RSRP threshold, or the first RSRP threshold is the same as the second RSRP threshold, the UE randomly selects an SSB to perform 4-step RA; if the first RSRP threshold is not equal to the second RSRP threshold, the UE determines the SSB to perform 4-step RA according to the second RSRP threshold;
  • the UE determines the SSB to execute 4-step RA according to the second RSRP threshold.
  • the terminal may directly select the RA type without performing the carrier selection process, and perform the parameter initialization step according to the selected RA type.
  • the UE can also indicate that the upper layer SDT process has been canceled or has not been successfully completed, and the upper layer triggers the legacy RRC resume process.
  • the terminal can select the SSB for RA-SDT according to an RSRP threshold, and determine whether to perform RA-SDT or SSB according to the selection result. Fallback, so as to provide a solution to perform RA-SDT or fallback according to the RSRP threshold.
  • FIG. 7 shows a data transmission processing method provided by an embodiment of the present application.
  • the method may be performed by a terminal, where the foregoing terminal may be a terminal in the network architecture shown in FIG. 1 .
  • the method may include the steps of:
  • Step 701 when the terminal is in the RRC inactive state and meets the second condition, choose to execute RA-SDT; the second condition includes: there is an SSB whose corresponding SS-RSRP is greater than or equal to the first RSRP threshold.
  • the terminal When the terminal is in the RRC inactive state and there is data to be transmitted, the terminal can detect whether there is an SSB greater than the first RSRP threshold, and if so, consider that RA-SDT can be executed.
  • the terminal can judge whether to execute RA-SDT according to an RSRP threshold, thus providing a method of selecting RA-SDT according to the RSRP threshold scheme for data transmission.
  • FIG. 8 shows a data transmission processing method provided by an embodiment of the present application.
  • the method may be performed by a terminal, where the foregoing terminal may be a terminal in the network architecture shown in FIG. 1 .
  • the method may include the steps of:
  • Step 801 when the terminal is in the RRC inactive state and meets the second condition, choose to execute RA-SDT; the second condition includes: there is an SSB whose corresponding SS-RSRP is greater than or equal to the first RSRP threshold.
  • the first RSRP threshold is carried by the configuration information of 2-step RA-SDT;
  • the first RSRP threshold is carried by configuration information of 4-step RA-SDT.
  • the second condition further includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • Step 802 when the terminal is in the RRC inactive state and does not meet the second condition, choose to execute RA.
  • the terminal can directly perform the RA process.
  • the terminal takes the presence of an SSB that satisfies the first RSRP threshold as one of the conditions for selecting RA-SDT, that is, the UE in the RRC_INACTIVE state selects RA-SDT if the first condition is met, otherwise , UE selects RA, and the above first condition includes:
  • All data to be transmitted comes from RBs that are allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources;
  • the judging process of whether there is an SSB greater than the first RSRP threshold is performed based on the RA-SDT type selected by the UE; for example, if the UE meets the conditions of 2-step RA-SDT (for example, the Conditions may include that the current BWP has resources for 2-step RA-SDT), then use the first RSRP threshold included in the configuration of 2-step RA-SDT, if the UE meets 4-step RA-SDT conditions (for example, 4-step The condition of RA-SDT may include that the current BWP does not have resources for 2-step RA-SDT), then use the first RSRP threshold included in the configuration of 4-step RA-SDT.
  • the Conditions may include that the current BWP has resources for 2-step RA-SDT
  • 4-step RA-SDT conditions for example, 4-step
  • the condition of RA-SDT may include that the current BWP does not have resources for 2-step RA-SDT), then use the first RSRP threshold included in the configuration of
  • the terminal can judge whether to choose to execute RA-SDT or RA according to an RSRP threshold, thus providing a method of selecting according to the RSRP threshold.
  • RA-SDT or RA in order to carry out the scheme of data transmission.
  • FIG. 9 shows a block diagram of a data transmission processing device provided by an embodiment of the present application.
  • the device is used in a terminal, and has the function of realizing the steps executed by the terminal in the above data transmission processing method.
  • the device may include:
  • a selection module 901 configured to select a synchronization signal block SSB for random access small data transmission RA-SDT according to the first reference signal received power RSRP threshold;
  • the processing module 902 is configured to determine and execute the data transmission mode according to the selection result of the SSB used for RA-SDT, the data transmission mode includes executing RA-SDT or performing fallback, and the execution fallback includes: falling back to Random access RA procedure, or fallback to radio resource control RRC connection recovery procedure.
  • the processing module 902 is configured to:
  • the reference signal SS-RSRP corresponding to at least one SSB is higher than or equal to the first RSRP threshold, select one SSB from the SSBs whose corresponding SS-RSRP is higher than or equal to the first RSRP threshold to perform RA- SDT.
  • the processing module is configured to:
  • the processing module is configured to:
  • the RA process is executed according to the RA configuration on the current bandwidth part BWP.
  • the processing module is configured to:
  • the processing module is configured to:
  • the second RSRP threshold is a threshold for selecting the SSB of the RA.
  • the first RSRP threshold is equal to the second RSRP threshold
  • the first RSRP threshold and the second RSRP threshold are the same threshold parameter
  • the first RSRP threshold is not equal to the second RSRP threshold.
  • the processing module is configured to:
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP, and
  • the first RSRP threshold is equal to the second RSRP threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 2-step RA process;
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there are resources for 2-step RA on the current BWP , and when the first RSRP threshold is not equal to the second RSRP threshold, perform a 2-step RA process on the SSB determined according to the second RSRP threshold.
  • the processing module is configured to:
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is equal to the second RSRP
  • the threshold or the first RSRP threshold and the second RSRP are the same threshold parameter, randomly select an SSB to perform a 4-step RA process
  • the RA-SDT type selected by the terminal is 4-step RA-SDT, and the first RSRP threshold is not equal to the
  • a 4-step RA process is performed according to the SSB determined by the second RSRP threshold.
  • the processing module is configured to:
  • the RA-SDT type selected by the terminal is 2-step RA-SDT, and there is no 2-step RA resource in the current BWP, according to the The SSB determined by the second RSRP threshold performs a 4-step RA process.
  • the processing module is configured to:
  • the terminal falls back to the 4-step RA process.
  • the processing module is configured to:
  • the terminal When there is no SSB with a corresponding SS-RSRP higher than or equal to the first RSRP threshold, the terminal falls back to the RA process, and reselects the RA type according to the third RSRP threshold;
  • the third RSRP threshold is used for the terminal to select between two RA types.
  • the processing module is configured to:
  • the selection module is further configured to, before selecting the SSB for RA-SDT according to the first RSRP threshold, when the terminal is in the RRC inactive state and meets the first condition, select Processing in the form of RA-SDT;
  • the first condition includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the terminal can select the SSB for RA-SDT according to an RSRP threshold, and determine whether to perform RA-SDT or SSB according to the selection result. Fallback, so as to provide a solution to perform RA-SDT or fallback according to the RSRP threshold.
  • FIG. 10 shows a block diagram of a data transmission processing device provided by an embodiment of the present application.
  • the device is used in a terminal, and has the function of realizing the steps executed by the terminal in the above data transmission processing method.
  • the device may include:
  • a selection module 1001 configured to execute RA-SDT when the terminal is in an RRC inactive state and meets a second condition
  • the second condition includes: there is an SSB whose corresponding SS-RSRP is greater than or equal to the first RSRP threshold.
  • the first RSRP threshold is carried by configuration information of 2-step RA-SDT;
  • the first RSRP threshold is carried by configuration information of 4-step RA-SDT.
  • the second condition further includes at least one of the following conditions:
  • All the data to be transmitted comes from the radio bearer RB that is allowed to trigger SDT;
  • the amount of data to be transmitted is less than or equal to the data amount threshold configured by the network
  • the downlink RSRP measurement result is greater than or equal to the RSRP threshold for performing SDT;
  • the selected carrier has RA-SDT resources and no valid CG-SDT resources.
  • the selection module is further configured to execute RA when the terminal is in an RRC inactive state and does not meet the second condition.
  • the terminal can judge whether to choose to execute RA-SDT or RA according to an RSRP threshold, thus providing a method of selecting according to the RSRP threshold.
  • RA-SDT or RA in order to carry out the scheme of data transmission.
  • the device provided by the above embodiment realizes its functions, it only uses the division of the above-mentioned functional modules as an example for illustration. In practical applications, the above-mentioned function allocation can be completed by different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • FIG. 11 shows a schematic structural diagram of a computer device 1100 provided by an embodiment of the present application.
  • the computer device 1100 may include: a processor 1101 , a receiver 1102 , a transmitter 1103 , a memory 1104 and a bus 1105 .
  • the processor 1101 includes one or more processing cores, and the processor 1101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1102 and the transmitter 1103 can be implemented as a communication component, which can be a communication chip.
  • the communication chip can also be called a transceiver.
  • the memory 1104 is connected to the processor 1101 through the bus 1105 .
  • the memory 1104 may be used to store a computer program, and the processor 1101 is used to execute the computer program, so as to implement various steps performed by the terminal device in the foregoing method embodiments.
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Read Only Memory, Erasable Programmable Read Only Memory, Static Anytime Access Memory, Read Only Memory, Magnetic Memory, Flash Memory, Programmable Read Only Memory.
  • the computer device includes a processor, a memory, and a transceiver (the transceiver may include a receiver and a transmitter, the receiver is used to receive information, and the transmitter is used to send information);
  • the processor is configured to select a synchronization signal block SSB for random access small data transmission RA-SDT according to the first reference signal received power RSRP threshold;
  • the processor is further configured to determine and execute a data transmission mode according to the selection result of the SSB used for RA-SDT, the data transmission mode includes executing RA-SDT or performing fallback, and the execution fallback includes: fallback Return to the random access RA procedure, or fall back to the radio resource control RRC connection recovery procedure.
  • the processor when the computer device is implemented as a terminal, the processor is configured to execute RA-SDT when the terminal is in an RRC inactive state and meets a second condition;
  • the second condition includes: there is an SSB whose corresponding SS-RSRP is greater than or equal to the first RSRP threshold.
  • the embodiment of the present application also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is loaded and executed by a processor to implement the above-mentioned method shown in FIG. 2 or FIG. 3 , by The various steps performed by the terminal.
  • the present application also provides a computer program product including computer instructions stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the computer device executes the method shown in FIG. 2, FIG. 3, FIG. 7 or FIG. 8, and the terminal executes each step.
  • the present application also provides a chip, which is used to run in a computer device, so that the computer device executes each method executed by the terminal in the method shown in FIG. 2 , FIG. 3 , FIG. 7 or FIG. 8 above. step.
  • the present application also provides a computer program, the computer program is executed by a processor of a computer device, so as to implement each step executed by a terminal in the method shown in FIG. 2 , FIG. 3 , FIG. 7 or FIG. 8 .
  • the functions described in the embodiments of the present application may be implemented by hardware, software, firmware or any combination thereof.
  • the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a storage media may be any available media that can be accessed by a general purpose or special purpose computer.

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Abstract

La présente demande appartient au domaine technique des communications sans fil. Sont divulgués un procédé et un appareil de transmission de données, ainsi qu'un terminal et un support d'enregistrement. Le procédé comprend les étapes suivantes : conformément à un premier seuil de puissance reçue de signal de référence (RSRP), sélectionner un bloc de signal de synchronisation (SSB) qui est utilisé pour une transmission de petites données à accès aléatoire (RA-SDT) ; et déterminer un mode de transmission de données conformément à un résultat de sélection du SSB qui est utilisé pour la RA-SDT, et exécuter le mode de transmission de données, le mode de transmission de données comprenant l'exécution de RA-SDT ou l'exécution d'un repli, et l'exécution du repli consistant à revenir à un processus d' accès aléatoire (RA), ou revenir à un processus de récupération de connexion de commande de ressources radio (RRC). La présente invention fournit une solution d'exécution de RA-SDT ou de repli conformément à un seuil de RSRP.
PCT/CN2021/100587 2021-06-17 2021-06-17 Procédé et appareil de traitement de transmission de données, ainsi que terminal et support d'enregistrement WO2022261893A1 (fr)

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PCT/CN2021/100587 WO2022261893A1 (fr) 2021-06-17 2021-06-17 Procédé et appareil de traitement de transmission de données, ainsi que terminal et support d'enregistrement
CN202180096976.1A CN117136623A (zh) 2021-06-17 2021-06-17 数据传输处理方法、装置、终端及存储介质

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EMAIL DISCUSSION RAPPORTEUR (ZTE CORPORATION): "Common aspects between CG and RACH", 3GPP DRAFT; R2-2101162, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. e-Meeting; 20210125 - 20210205, 14 January 2021 (2021-01-14), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051974149 *
OPPO: "Discussion on RACH based SDT", 3GPP DRAFT; R2-2100284, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20210125 - 20210205, 15 January 2021 (2021-01-15), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051973484 *

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