WO2024113189A1 - 小数据传输sdt方法、装置、通信设备及存储介质 - Google Patents

小数据传输sdt方法、装置、通信设备及存储介质 Download PDF

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Publication number
WO2024113189A1
WO2024113189A1 PCT/CN2022/135176 CN2022135176W WO2024113189A1 WO 2024113189 A1 WO2024113189 A1 WO 2024113189A1 CN 2022135176 W CN2022135176 W CN 2022135176W WO 2024113189 A1 WO2024113189 A1 WO 2024113189A1
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Prior art keywords
sdt
configuration information
parameter threshold
terminal
data transmission
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PCT/CN2022/135176
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English (en)
French (fr)
Inventor
吴昱民
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北京小米移动软件有限公司
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Priority to PCT/CN2022/135176 priority Critical patent/WO2024113189A1/zh
Publication of WO2024113189A1 publication Critical patent/WO2024113189A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access

Definitions

  • the present disclosure relates to the field of wireless communication technology but is not limited to the field of wireless communication technology, and in particular to a small data transmission (SDT) method, apparatus, communication equipment and storage medium.
  • SDT small data transmission
  • the terminal In the communication system, the terminal is allowed to perform small data transmission (SDT) in the inactive state (INACTIVE) of the radio resource control (RRC) and the idle state (IDLE) of the RRC. In this way, the terminal can complete the data transmission without entering the RRC connected state, so as to reduce the waste of time and frequency resources, shorten the data transmission delay and save the terminal energy consumption.
  • SDT small data transmission
  • RRC radio resource control
  • IDLE idle state
  • the embodiments of the present disclosure disclose a small data transmission (SDT) method, apparatus, communication equipment and storage medium.
  • SDT small data transmission
  • a small data transmission (SDT) method is provided, wherein the method is performed by an access network device, and the method includes:
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • the sending of configuration information to the terminal includes at least one of the following:
  • the configuration information is sent to the terminal through a broadcast message.
  • the configuration information includes bearer indication information for indicating a data radio bearer DRB or a signaling radio bearer SRB.
  • the configuration information also indicates whether SDT can be initiated; the SDT includes mobile calling small data transmission MO SDT and/or mobile called small data transmission MT SDT.
  • the parameter threshold includes at least one of the following:
  • SINR value Signal-to-interference ratio
  • the parameter threshold includes at least one of the following:
  • a first parameter threshold wherein the first parameter threshold is a threshold used to determine whether to trigger a mobile terminating small data transmission MT SDT;
  • the second parameter threshold value wherein the second parameter threshold value is a threshold value used to determine whether to trigger the mobile originating small data transmission MO SDT.
  • the first parameter threshold is equal to the second parameter threshold.
  • the parameter threshold is a threshold used to determine data transmission through a random access process; and/or the parameter threshold is a threshold used to determine data transmission by configuring authorized CG resources.
  • the configuration information is also used to indicate uplink resources of SDT; the uplink resources are used to initiate initial access, or the uplink resources are used to send uplink data.
  • the configuration of the uplink resource includes random access resource information, configuration grant resource information and/or demodulation reference signal DMRS information.
  • a small data transmission SDT method is provided, wherein the method is performed by a terminal, and the method includes:
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • the method further comprises:
  • determining the configuration information includes at least one of the following:
  • the configuration information is determined according to the received information sent by the access network device.
  • the receiving the configuration information sent by the access network device includes at least one of the following:
  • the configuration information sent by the access network device is received through a broadcast message.
  • the configuration information includes bearer indication information for indicating a data radio bearer DRB or a signaling radio bearer SRB.
  • the configuration information also indicates whether SDT can be initiated; the SDT includes mobile calling small data transmission MO SDT and/or mobile called small data transmission MT SDT.
  • the parameter threshold includes at least one of the following:
  • SINR value Signal-to-interference ratio
  • the parameter threshold includes at least one of the following:
  • the first parameter threshold is a threshold used to determine whether to trigger the mobile terminating small data transmission MT SDT.
  • the second parameter threshold is the threshold used to determine whether to trigger the mobile outgoing small data transmission MO SDT.
  • the first parameter threshold is equal to the second parameter threshold.
  • the parameter threshold is a threshold used to determine data transmission through a random access process; and/or, the parameter threshold is a threshold used to determine data transmission by configuring authorized CG resources.
  • the configuration information further indicates an uplink resource of the SDT; the uplink resource is used to initiate initial access; or the uplink resource is used to send uplink data.
  • the configuration of the uplink resource includes random access resource information, configuration grant resource information and/or demodulation reference signal DMRS information.
  • performing SDT according to the configuration information includes:
  • the SDT is executed according to a trigger condition determined based on the configuration information.
  • the trigger condition includes at least one of the following:
  • the first trigger condition includes: in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold, executing SDT;
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resources corresponding to MO SDT;
  • the third trigger condition includes: in response to the configuration information configuring an uplink resource, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resource;
  • a fourth trigger condition includes: in response to a bearer of the terminal being configured to allow use of MT SDT and MO SDT, performing SDT based on an uplink resource corresponding to MO SDT;
  • a fifth trigger condition includes: in response to the configuration information, uplink resources are configured, and SDT is performed based on the uplink resources.
  • the method further comprises:
  • the predetermined condition includes one of the following:
  • the signal measurement result of the terminal is less than or equal to the parameter threshold
  • the number of times the terminal sends data is greater than or equal to the quantity threshold
  • the scheduled timer has expired.
  • the number of transmissions includes one of the following:
  • the number of times data is sent for the first time during the SDT process.
  • the start condition of the timer includes one of the following:
  • the random access preamble is sent for the first time.
  • the stop condition of the timer includes one of the following:
  • a confirmation message of a random access procedure is received.
  • An indication message indicating that data reception is complete is received.
  • the method further comprises:
  • the preset threshold is used to determine a triggering condition for performing SDT based on the uplink resource.
  • the measurement signal corresponding to the signal measurement result includes one of the following:
  • the measurement signal corresponding to the signal measurement result is a synchronization signal block SSB or a channel state information reference signal CSI-RS.
  • a small data transmission SDT device wherein the device includes:
  • a sending module used for sending configuration information to the terminal
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • a small data transmission SDT device wherein the device includes:
  • a receiving module used for executing SDT according to the configuration information
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • a communication device including:
  • a memory for storing instructions executable by the processor
  • the processor is configured to implement the method described in any embodiment of the present disclosure when running the executable instructions.
  • a computer storage medium stores a computer executable program, and when the executable program is executed by a processor, the method described in any embodiment of the present disclosure is implemented.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate a parameter threshold of a trigger condition for triggering SDT.
  • the configuration information indicates the parameter threshold of a trigger condition for triggering SDT
  • the terminal can determine the trigger condition for triggering SDT based on the parameter threshold of the network configuration.
  • SDT can be triggered.
  • the terminal can execute SDT under the control of the network side. Compared with SDT that is not controlled by the network, the failure of SDT is reduced, and the transmission reliability of SDT can be improved.
  • Fig. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment.
  • Fig. 2 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 3 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 4 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 5 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 6 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 7 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 8 is a schematic flow chart showing a small data transmission SDT method according to an exemplary embodiment.
  • Fig. 9 is a schematic diagram showing the structure of a terminal according to an exemplary embodiment.
  • Fig. 10 is a block diagram of a base station according to an exemplary embodiment.
  • first, second, third, etc. may be used to describe various information in the disclosed embodiments, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • word "if” as used herein may be interpreted as "at the time of” or "when” or "in response to determining”.
  • FIG1 shows a schematic diagram of the structure of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on mobile communication technology, and the wireless communication system may include: a plurality of user equipments 110 and a plurality of base stations 120 .
  • the user equipment 110 may be a device that provides voice and/or data connectivity to a user.
  • the user equipment 110 may communicate with one or more core networks via a radio access network (RAN).
  • RAN radio access network
  • the user equipment 110 may be an IoT user equipment, such as a sensor device, a mobile phone, and a computer with an IoT user equipment, for example, a fixed, portable, pocket-sized, handheld, computer-built-in, or vehicle-mounted device.
  • a station STA
  • a subscriber unit a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote user equipment (remote terminal), an access terminal, a user device (user terminal), a user agent, a user device, or a user equipment (user equipment).
  • the user equipment 110 may also be a device of an unmanned aerial vehicle.
  • the user device 110 may be a vehicle-mounted device, such as a driving computer with wireless communication function, or a wireless user device connected to a driving computer.
  • the user device 110 may be a roadside device, such as a street lamp, a signal lamp, or other roadside device with wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a 4th generation mobile communication (4G) system, also known as a long term evolution (LTE) system; or, the wireless communication system may be a 5G system, also known as a new air interface system or a 5G NR system. Alternatively, the wireless communication system may be a next generation system of the 5G system.
  • the access network in the 5G system may be called NG-RAN (New Generation-Radio Access Network).
  • the base station 120 can be an evolved base station (eNB) adopted in a 4G system.
  • the base station 120 can also be a base station (gNB) adopting a centralized distributed architecture in a 5G system.
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed units, DU).
  • the centralized unit is provided with a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer, a radio link layer control protocol (Radio Link Control, RLC) layer, and a media access control (Media Access Control, MAC) layer protocol stack;
  • the distributed unit is provided with a physical (Physical, PHY) layer protocol stack.
  • the specific implementation method of the base station 120 is not limited in the embodiments of the present disclosure.
  • a wireless connection may be established between the base station 120 and the user equipment 110 via a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air interface; or, the wireless air interface may also be a wireless air interface based on the next generation mobile communication network technology standard of 5G.
  • an E2E (End to End) connection may also be established between the user devices 110.
  • V2X vehicle-to-everything
  • V2V vehicle to vehicle
  • V2I vehicle to Infrastructure
  • V2P vehicle to pedestrian
  • the above-mentioned user equipment can be considered as the terminal equipment of the following embodiments.
  • the wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system, for example, the network management device 130 may be a mobility management entity (MME) in an evolved packet core (EPC). Alternatively, the network management device may also be other core network devices, such as a serving gateway (SGW), a public data network gateway (PGW), a policy and charging rules function (PCRF) or a home subscriber server (HSS).
  • SGW serving gateway
  • PGW public data network gateway
  • PCRF policy and charging rules function
  • HSS home subscriber server
  • the embodiments of the present disclosure list multiple implementation methods to clearly illustrate the technical solutions of the embodiments of the present disclosure.
  • the multiple embodiments provided by the embodiments of the present disclosure can be executed separately, or can be executed together with the methods of other embodiments of the embodiments of the present disclosure, or can be executed together with some methods in other related technologies separately or in combination; the embodiments of the present disclosure do not limit this.
  • the terminal in SDT, according to the resources configured by the network side, when the terminal is in the RRC IDLE or INACTIVE state, the terminal can directly send data to the network side in a predetermined manner.
  • the predetermined manner includes one of the following:
  • MsgA is sent via the 2-step random access procedure of initial access (or, it can be called 2-step RACH SDT);
  • PUSCH Physical Uplink Shared Channel
  • CG Configuration Grant
  • PUR Preallocated Uplink Resource
  • the network side sends a downlink paging message to allow the terminal to initiate a connection recovery (or establishment) process in the RRC IDLE or RRC INACTIVE state. This allows the terminal to remain in the RRC IDLE or RRC INACTIVE state and receive downlink data sent by the network side.
  • This process is called mobile terminated (MT) SDT.
  • MT-SDT After triggering MT-SDT, the terminal receives data by restoring the bearer corresponding to MT-SDT.
  • this embodiment provides a small data transmission SDT method, wherein the method is performed by an access network device, and the method includes:
  • Step 21 Send configuration information to the terminal
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • the terminal involved in the present disclosure may be, but is not limited to, a mobile phone, a wearable device, a vehicle-mounted terminal, a road side unit (RSU, Road Side Unit), a smart home terminal, an industrial sensor device and/or a medical device, etc.
  • the terminal may be a Redcap terminal or a predetermined version of a new air interface NR terminal (for example, an R17 NR terminal).
  • the access network equipment involved in the present disclosure may be a base station, and the base station may be various types of base stations, for example, a base station of a third generation mobile communication (3G) network, a base station of a fourth generation mobile communication (4G) network, a base station of a fifth generation mobile communication (5G) network, or other evolved base stations.
  • 3G third generation mobile communication
  • 4G fourth generation mobile communication
  • 5G fifth generation mobile communication
  • the trigger condition includes at least one of the following:
  • the first trigger condition includes: in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold, executing SDT;
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resources corresponding to MO SDT;
  • the third trigger condition includes: in response to the configuration information configuring an uplink resource, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resource;
  • a fourth trigger condition includes: in response to a bearer of the terminal being configured to allow use of MT SDT and MO SDT, performing SDT based on an uplink resource corresponding to MO SDT;
  • a fifth trigger condition includes: in response to the configuration information, uplink resources are configured, and SDT is performed based on the uplink resources.
  • the first trigger condition includes: executing MT and/or MO SDT in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold.
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, executing MO SDT based on the uplink resources corresponding to MO SDT.
  • the third trigger condition includes: in response to the configuration information, uplink resources are configured, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, and MO SDT is performed based on the uplink resources.
  • the fourth trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, executing MO SDT based on the uplink resources corresponding to MO SDT.
  • the fifth trigger condition includes: configuring uplink resources in response to configuration information, and executing MO SDT based on the uplink resources.
  • configuration information is sent to the terminal via an RRC message, wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the configuration information is sent to the terminal via a terminal-specific message, wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the dedicated message may be an RRC release message.
  • the configuration information is sent to the terminal via a broadcast message, wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the broadcast message may be a system message SIB1.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes at least one of: a reference signal received strength (RSRP, Reference Signal Received Power) value; a reference signal received quality (RSRQ, Reference Signal Received Quality) value; and a signal to interference ratio (SINR, Signal to Interference and Noise Ratio) value.
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • SINR Signal to Interference and Noise Ratio
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information, which is used to indicate a data radio bearer (DRB) or a signaling radio bearer (SRB).
  • DRB data radio bearer
  • SRB signaling radio bearer
  • the SDT includes mobile calling small data transmission MO SDT and/or mobile called small data transmission MT SDT.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT, and wherein the configuration information includes bearer indication information for indicating a DRB or an SRB.
  • the configuration information when the configuration information includes bearer indication information, the configuration information may also indicate whether a mobile originating small data transmission MO SDT (or, uplink SDT) can be initiated.
  • a network-side device may send configuration information to a terminal device, the configuration information being used to indicate a parameter threshold of a trigger condition for triggering SDT, and the configuration information may also indicate that a mobile originating small data transmission MO SDT (or, uplink SDT) can be initiated.
  • the terminal When the terminal receives the configuration information, the terminal may initiate a mobile originating small data transmission MO SDT according to the trigger condition.
  • the configuration information may also indicate that a mobile originating small data transmission MO SDT (or, uplink SDT) cannot be initiated, the terminal does not initiate a mobile originating small data transmission MO SDT even if the terminal meets the trigger condition.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information for indicating DRB or SRB; in response to the configuration information including the bearer indication information, the configuration information also indicates whether indication information of a mobile called small data transmission MT SDT can be initiated.
  • configuration information is sent to the terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information of MT SDT, which is used to indicate DRB or SRB; in response to the configuration information including the bearer indication information, the configuration information also indicates whether it is possible to initiate indication information of a mobile originating small data transmission MO SDT (or, uplink SDT).
  • configuration information is sent to the terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes at least one of the following: a first parameter threshold, wherein the first parameter threshold is a threshold for determining whether to trigger a mobile called small data transmission MT SDT; and a second parameter threshold, wherein the second parameter threshold is a threshold for determining whether to trigger a mobile calling small data transmission MO SDT.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes at least one of the following: a first parameter threshold, wherein the first parameter threshold is a threshold for determining whether to trigger a mobile called small data transmission MT SDT; and a second parameter threshold, wherein the second parameter threshold is a threshold for determining whether to trigger a mobile calling small data transmission MO SDT; the first parameter threshold is equal to the second parameter threshold.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT; the parameter threshold includes: a first parameter threshold, wherein the first parameter threshold is a threshold for determining whether to trigger mobile called small data transmission MT SDT; the parameter threshold is a threshold for determining data transmission through a random access process; and/or the parameter threshold is a threshold for determining data transmission through configuring authorized CG resources.
  • configuration information is sent to the terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes: a second parameter threshold, wherein the second parameter threshold is a threshold for determining whether to trigger mobile originating small data transmission MO SDT; the parameter threshold is a threshold for determining data transmission through a random access process; and/or the parameter threshold is a threshold for determining data transmission through configuring authorized CG resources.
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information is also used to indicate an uplink resource of MO SDT; wherein the uplink resource is used to initiate initial access, or the uplink resource is used to send uplink data.
  • configuration information is sent to the terminal; wherein the configuration information is used to indicate at least one of the following: a parameter threshold of a triggering condition for triggering SDT; an uplink resource of SDT; the uplink resource is used to initiate initial access; and the uplink resource is used to send uplink data.
  • the configuration of the uplink resources includes random access resource information, configuration authorization resource information and/or demodulation reference signal (DMRS) information.
  • the random access resource information may be information on physical random access channel (PRACH) time-frequency resources and/or PRACH code domain resources (e.g., preamble code number).
  • the configuration authorization resource information may be information on physical uplink shared channel (PUSCH) time-frequency resources or PUSCH code domain resources (e.g., Radio Network Temporary Identity (RNTI)).
  • PUSCH physical uplink shared channel
  • RNTI Radio Network Temporary Identity
  • configuration information is sent to a terminal; wherein the configuration information is used to indicate a parameter threshold of a trigger condition for triggering SDT.
  • the configuration information indicates the parameter threshold of a trigger condition for triggering SDT
  • the terminal can determine the trigger condition for triggering SDT based on the parameter threshold of the network configuration.
  • SDT can be triggered.
  • the terminal can execute SDT under the control of the network side. Compared with SDT that is not controlled by the network, the failure of SDT is reduced, and the transmission reliability of SDT can be improved.
  • this embodiment provides a small data transmission SDT method, wherein the method is performed by an access network device, and the method includes:
  • Step 31 Send configuration information to the terminal; wherein the configuration information is used to indicate a parameter threshold of a trigger condition for triggering SDT, and the configuration information is also used to indicate at least one of the following:
  • Bearer indication information used to indicate a data radio bearer DRB or a signaling radio bearer SRB.
  • the uplink resources of SDT are used to initiate initial access or to send uplink data.
  • configuration information is sent to the terminal; wherein the configuration information is used to indicate a parameter threshold of a trigger condition for triggering MO SDT, and the configuration information is also used to indicate at least one of the following: bearer indication information, used to indicate a data radio bearer DRB or a signaling radio bearer SRB; and an uplink resource of MO SDT, wherein the uplink resource is used to initiate initial access or to send uplink data.
  • the uplink resources are not limited to the uplink resources of MO SDT, but can also be the uplink resources of MT SDT, or other uplink resources, which is not limited in the present disclosure.
  • the configuration of the uplink resources includes random access resource information, configuration authorization resource information and/or demodulation reference signal (DMRS) information.
  • the random access resource information may be information on physical random access channel (PRACH) time-frequency resources and/or PRACH code domain resources (e.g., preamble code number).
  • the configuration authorization resource information may be information on physical uplink shared channel (PUSCH) time-frequency resources or PUSCH code domain resources (e.g., Radio Network Temporary Identity (RNTI)).
  • PUSCH physical uplink shared channel
  • RNTI Radio Network Temporary Identity
  • this embodiment provides a small data transmission SDT method, wherein the method is executed by a terminal, and the method includes:
  • Step 41 executing SDT according to the configuration information
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • the terminal involved in the present disclosure may be, but is not limited to, a mobile phone, a wearable device, a vehicle-mounted terminal, a road side unit (RSU, Road Side Unit), a smart home terminal, an industrial sensor device and/or a medical device, etc.
  • the terminal may be a Redcap terminal or a predetermined version of a new air interface NR terminal (for example, an R17 NR terminal).
  • the access network equipment involved in the present disclosure may be a base station, and the base station may be various types of base stations, for example, a base station of a third generation mobile communication (3G) network, a base station of a fourth generation mobile communication (4G) network, a base station of a fifth generation mobile communication (5G) network, or other evolved base stations.
  • 3G third generation mobile communication
  • 4G fourth generation mobile communication
  • 5G fifth generation mobile communication
  • the configuration information is determined according to a predetermined communication protocol. According to the configuration information, the SDT is executed; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering the SDT.
  • the configuration information sent by the access network device is received.
  • the SDT is executed; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering the SDT.
  • the trigger condition includes at least one of the following:
  • the first trigger condition includes: in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold, executing SDT;
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resources corresponding to MO SDT;
  • the third trigger condition includes: in response to the configuration information configuring an uplink resource, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resource;
  • a fourth trigger condition includes: in response to a bearer of the terminal being configured to allow use of MT SDT and MO SDT, performing SDT based on an uplink resource corresponding to MO SDT;
  • a fifth trigger condition includes: in response to the configuration information, uplink resources are configured, and SDT is performed based on the uplink resources.
  • the first trigger condition includes: executing MT and/or MO SDT in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold.
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, executing MO SDT based on the uplink resources corresponding to MO SDT.
  • the third trigger condition includes: in response to the configuration information, uplink resources are configured, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, and MO SDT is performed based on the uplink resources.
  • the fourth trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, executing MO SDT based on the uplink resources corresponding to MO SDT.
  • the fifth trigger condition includes: configuring uplink resources in response to configuration information, and executing MO SDT based on the uplink resources.
  • the configuration information sent by the access network device is received through an RRC message, wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the configuration information sent by the access network device is received via a terminal dedicated message, wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the dedicated message may be an RRC release message.
  • the configuration information sent by the access network device is received via a broadcast message, wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the broadcast message may be a system message SIB1.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information, which is used to indicate a data radio bearer (DRB) or a signaling radio bearer (SRB).
  • DRB data radio bearer
  • SRB signaling radio bearer
  • the configuration information also indicates whether SDT can be initiated; the SDT includes mobile calling small data transmission MO SDT and/or mobile called small data transmission MT SDT.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information for indicating DRB or SRB; in response to the configuration information including the bearer indication information, the configuration information also indicates whether a mobile originating small data transmission MO SDT (or, uplink SDT) can be initiated.
  • the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information for indicating DRB or SRB; in response to the configuration information including the bearer indication information, the configuration information also indicates whether a mobile originating small data transmission MO SDT (or, uplink SDT) can be initiated.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information for indicating DRB or SRB; in response to the configuration information including the bearer indication information, the configuration information also indicates whether indication information of mobile called small data transmission MT SDT can be initiated.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information includes bearer indication information of MO SDT, which is used to indicate DRB or SRB; in response to the configuration information including the bearer indication information, the configuration information also indicates whether the indication information of the mobile called small data transmission MT SDT can be initiated.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes at least one of the following: a first parameter threshold, wherein the first parameter threshold is a threshold for determining whether to trigger a mobile called small data transmission MT SDT; and a second parameter threshold, wherein the second parameter threshold is a threshold for determining whether to trigger a mobile calling small data transmission MO SDT.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes at least one of the following: a first parameter threshold, wherein the first parameter threshold is a threshold for determining whether to trigger a mobile called small data transmission MT SDT; and a second parameter threshold, wherein the second parameter threshold is a threshold for determining whether to trigger a mobile calling small data transmission MO SDT; the first parameter threshold is equal to the second parameter threshold.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the parameter threshold includes: a first parameter threshold, wherein the first parameter threshold is a threshold for determining whether to trigger mobile called small data transmission MT SDT; the first parameter threshold is a threshold for determining data transmission through a random access process; and/or the first parameter threshold is a threshold for determining data transmission through configuring authorized CG resources.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT; the parameter threshold includes: a second parameter threshold, wherein the second parameter threshold is a threshold for determining whether to trigger mobile originating small data transmission MO SDT; the second parameter threshold is a threshold for determining data transmission through a random access process; and/or, the parameter threshold is a threshold for determining data transmission through configuration of authorized CG resources.
  • the first parameter threshold may be the same as the second parameter threshold, that is, the relevant configuration parameters for determining whether to initiate the MT-SDT process and the relevant configuration parameters for determining whether to initiate the MO SDT process may be configured through the same signaling, and the configuration parameters may be, for example, parameter thresholds or bearer indications.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT; the configuration information is also used to indicate an uplink resource of MO SDT; wherein the uplink resource is used to initiate initial access, or the uplink resource is used to send uplink data.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate at least one of the following: a parameter threshold of a trigger condition for triggering SDT; an uplink resource of SDT; the uplink resource is used to initiate initial access; and the uplink resource is used to send uplink data.
  • the configuration of the uplink resources includes random access resource information, configuration authorization resource information and/or demodulation reference signal (DMRS) information.
  • the random access resource information may be information on physical random access channel (PRACH) time-frequency resources and/or PRACH code domain resources (e.g., preamble code number).
  • the configuration authorization resource information may be information on physical uplink shared channel (PUSCH) time-frequency resources or PUSCH code domain resources (e.g., Radio Network Temporary Identity (RNTI)).
  • PUSCH physical uplink shared channel
  • RNTI Radio Network Temporary Identity
  • SDT is performed according to a trigger condition determined based on the configuration information; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT.
  • the trigger condition includes at least one of the following:
  • the first trigger condition includes: in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold, executing SDT;
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resources corresponding to MO SDT;
  • the third trigger condition includes: in response to the configuration information configuring an uplink resource, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resource;
  • a fourth trigger condition includes: in response to a bearer of the terminal being configured to allow use of MT SDT and MO SDT, performing SDT based on an uplink resource corresponding to MO SDT;
  • a fifth trigger condition includes: in response to the configuration information, uplink resources are configured, and SDT is performed based on the uplink resources.
  • the measurement signal corresponding to the signal measurement result is a synchronization signal block (SSB, Synchronous Signal Block) or a channel state information reference signal (CSI-RS, Channel State Information Reference Signaling).
  • SSB Synchronous Signal Block
  • CSI-RS Channel State Information Reference Signaling
  • SDT is performed; wherein the configuration information is used to indicate: a parameter threshold of the triggering condition for triggering SDT.
  • a random access process based on a predetermined random access resource is performed; wherein the predetermined condition includes one of the following: a signal measurement result of the terminal is less than or equal to the parameter threshold; the number of data transmissions of the terminal is greater than or equal to the quantity threshold; and a predetermined timer times out.
  • the number of transmissions includes one of the following:
  • the number of times data is sent for the first time during the SDT process.
  • the random access preamble code will be sent multiple times.
  • first data transmission is unsuccessful, multiple retransmissions will be caused.
  • multiple first data transmissions are performed through CG resources.
  • the start condition of the timer includes one of the following:
  • the random access preamble is sent for the first time.
  • the stop condition of the timer includes one of the following:
  • a confirmation message of a random access procedure is received.
  • An indication message indicating that data reception is complete is received.
  • the state transition instruction may be sent via one of the following messages: an RRC release message, an RRC configuration message, and an RRC recovery message.
  • the confirmation message may be Msg4 of 4-step random access or MsgB of 2-step random access.
  • the indication information may be C-RNTI PDCCH indication information.
  • the measurement signal corresponding to the signal measurement result includes one of the following:
  • the designated measurement object may be a service measurement object.
  • the measurement signal corresponding to the signal measurement result is a synchronization signal block SSB or a channel state information reference signal CSI-RS.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering SDT.
  • the parameter threshold is ignored; wherein the preset threshold is used to determine the triggering condition for performing SDT based on the uplink resources.
  • SDT is performed according to configuration information; wherein the configuration information is used to indicate a parameter threshold of a trigger condition for triggering SDT.
  • the configuration information indicates the parameter threshold of a trigger condition for triggering SDT
  • the terminal can determine the trigger condition for triggering SDT based on the parameter threshold of the network configuration.
  • SDT can be triggered.
  • the terminal can execute SDT under the control of the network side. Compared with SDT that is not controlled by the network, the failure of SDT is reduced, and the transmission reliability of SDT can be improved.
  • this embodiment provides a small data transmission SDT method, wherein the method is executed by a terminal, and the method includes:
  • Step 51 Receive the configuration information sent by the access network device; wherein the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT and at least one of the following:
  • Bearer indication information used to indicate a data radio bearer DRB or a signaling radio bearer SRB.
  • the uplink resources of SDT are used to initiate initial access or to send uplink data.
  • the configuration information sent by the access network device is received; wherein the configuration information is used to indicate the parameter threshold of the trigger condition for triggering the MO SDT, and the configuration information is also used to indicate at least one of the following: bearer indication information, used to indicate the data radio bearer DRB or the signaling radio bearer SRB; and the uplink resources of the MO SDT, the uplink resources are used to initiate initial access or to send uplink data.
  • uplink resources are not limited to the uplink resources of MO SDT, but can also be the uplink resources of MT SDT, which is not limited here.
  • the configuration of the uplink resources includes random access resource information, configuration authorization resource information and/or demodulation reference signal (DMRS) information.
  • the random access resource information may be information on physical random access channel (PRACH) time-frequency resources and/or PRACH code domain resources (e.g., preamble code number).
  • the configuration authorization resource information may be information on physical uplink shared channel (PUSCH) time-frequency resources or PUSCH code domain resources (e.g., Radio Network Temporary Identity (RNTI)).
  • PUSCH physical uplink shared channel
  • RNTI Radio Network Temporary Identity
  • this embodiment provides a small data transmission SDT method, wherein the method is executed by a terminal, and the method includes:
  • Step 61 Execute SDT according to a trigger condition determined based on configuration information; wherein the configuration information is used to indicate: a parameter threshold of a trigger condition for triggering SDT.
  • the configuration information is determined according to a predetermined communication protocol. According to the configuration information, the SDT is executed; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering the SDT.
  • the configuration information sent by the access network device is received.
  • the SDT is executed; wherein the configuration information is used to indicate: a parameter threshold of a triggering condition for triggering the SDT.
  • the trigger condition includes at least one of the following:
  • the first trigger condition includes: in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold, executing SDT;
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resources corresponding to MO SDT;
  • the third trigger condition includes: in response to the configuration information configuring an uplink resource, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, performing SDT based on the uplink resource;
  • a fourth trigger condition includes: in response to a bearer of the terminal being configured to allow use of MT SDT and MO SDT, performing SDT based on an uplink resource corresponding to MO SDT;
  • a fifth trigger condition includes: in response to the configuration information, uplink resources are configured, and SDT is performed based on the uplink resources.
  • the measurement signal corresponding to the signal measurement result includes one of the following:
  • the measurement signal corresponding to the signal measurement result is a synchronization signal block SSB or a channel state information reference signal CSI-RS.
  • the first trigger condition includes: executing MT and/or MO SDT in response to a signal measurement result of the terminal being greater than or equal to the parameter threshold.
  • the second trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, executing MO SDT based on the uplink resources corresponding to MO SDT.
  • the third trigger condition includes: in response to the configuration information, uplink resources are configured, and the signal measurement result of the terminal is greater than or equal to the parameter threshold, and MO SDT is performed based on the uplink resources.
  • the fourth trigger condition includes: in response to the bearer of the terminal being configured to allow the use of MT SDT and MO SDT, executing MO SDT based on the uplink resources corresponding to MO SDT.
  • the fifth trigger condition includes: configuring uplink resources in response to configuration information, and executing MO SDT based on the uplink resources.
  • SDT is performed; wherein the configuration information is used to indicate: a parameter threshold of the triggering condition for triggering SDT.
  • a random access process based on a predetermined random access resource is performed; wherein the predetermined condition includes one of the following: a signal measurement result of the terminal is less than or equal to the parameter threshold; the number of data transmissions of the terminal is greater than or equal to the quantity threshold; and a predetermined timer times out.
  • the number of transmissions includes one of the following:
  • the number of times data is sent for the first time during the SDT process.
  • the start condition of the timer includes one of the following:
  • the random access preamble is sent for the first time.
  • the stop condition of the timer includes one of the following:
  • a confirmation message of a random access procedure is received.
  • An indication message indicating that data reception is complete is received.
  • the parameter threshold value in response to a preset threshold value of the amount of uplink data transmitted using uplink resources, the parameter threshold value is ignored; wherein the preset threshold value is used to determine a trigger condition for performing SDT based on the uplink resources.
  • an embodiment of the present disclosure provides a small data transmission SDT device, wherein the device includes:
  • a sending module 71 used to send configuration information to a terminal
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • an embodiment of the present disclosure provides a small data transmission SDT device, wherein the device includes:
  • a receiving module 81 configured to execute SDT according to configuration information
  • the configuration information is used to indicate a parameter threshold of a triggering condition for triggering SDT.
  • the present disclosure provides a communication device, the communication device comprising:
  • a memory for storing processor-executable instructions
  • the processor is configured to implement the method applied to any embodiment of the present disclosure when running executable instructions.
  • the processor may include various types of storage media, which are non-temporary computer storage media that can continue to memorize information stored thereon after the communication device loses power.
  • the processor may be connected to the memory via a bus or the like to read the executable program stored in the memory.
  • An embodiment of the present disclosure further provides a computer storage medium, wherein the computer storage medium stores a computer executable program, and when the executable program is executed by a processor, the method of any embodiment of the present disclosure is implemented.
  • an embodiment of the present disclosure provides a structure of a terminal.
  • this embodiment provides a terminal 800 , which may be a mobile phone, a computer, a digital broadcast terminal, a message transceiver, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • the terminal 800 may include one or more of the following components: a processing component 802 , a memory 804 , a power component 806 , a multimedia component 808 , an audio component 810 , an input/output (I/O) interface 812 , a sensor component 814 , and a communication component 816 .
  • the processing component 802 generally controls the overall operation of the terminal 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above-mentioned method.
  • the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components.
  • the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.
  • the memory 804 is configured to store various types of data to support operations on the device 800. Examples of such data include instructions for any application or method operating on the terminal 800, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 804 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power component 806 provides power to various components of the terminal 800.
  • the power component 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the terminal 800.
  • the multimedia component 808 includes a screen that provides an output interface between the terminal 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 808 includes a front camera and/or a rear camera. When the device 800 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 810 is configured to output and/or input audio signals.
  • the audio component 810 includes a microphone (MIC), and when the terminal 800 is in an operation mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal can be further stored in the memory 804 or sent via the communication component 816.
  • the audio component 810 also includes a speaker for outputting audio signals.
  • I/O interface 812 provides an interface between processing component 802 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
  • the sensor assembly 814 includes one or more sensors for providing various aspects of status assessment for the terminal 800.
  • the sensor assembly 814 can detect the open/closed state of the device 800, the relative positioning of the components, such as the display and keypad of the terminal 800, and the sensor assembly 814 can also detect the position change of the terminal 800 or a component of the terminal 800, the presence or absence of contact between the user and the terminal 800, the orientation or acceleration/deceleration of the terminal 800 and the temperature change of the terminal 800.
  • the sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor assembly 814 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.
  • the communication component 816 is configured to facilitate wired or wireless communication between the terminal 800 and other devices.
  • the terminal 800 can access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 816 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • terminal 800 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to perform the above methods.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors or other electronic components to perform the above methods.
  • a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 804 including instructions, and the instructions can be executed by the processor 820 of the terminal 800 to complete the above method.
  • the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • an embodiment of the present disclosure shows a structure of a base station.
  • the base station 900 may be provided as a network-side device.
  • the base station 900 includes a processing component 922, which further includes one or more processors, and a memory resource represented by a memory 932 for storing instructions executable by the processing component 922, such as an application.
  • the application stored in the memory 932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to execute any method of the aforementioned method applied to the base station.
  • the base station 900 may also include a power supply component 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to the network, and an input/output (I/O) interface 958.
  • the base station 900 may operate based on an operating system stored in the memory 932, such as Windows Server TM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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Abstract

本公开实施例提供了一种小数据传输SDT方法,其中,所述方法由接入网设备执行,所述方法包括:向终端发送配置信息;其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。这里,由于所述配置信息指示了触发SDT的触发条件的参数阈值,所述终端在接收到所述配置信息后,就可以基于网络配置的参数阈值确定触发SDT的触发条件。当在所述触发条件满足时,可以触发SDT,如此,终端可以在网络侧的控制下,执行SDT,相较于不受网络控制的SDT,减少了SDT失败的情况,可以提升SDT的传输可靠性。

Description

小数据传输SDT方法、装置、通信设备及存储介质 技术领域
本公开涉及无线通信技术领域但不限于无线通信技术领域,尤其涉及一种小数据传输SDT方法、装置、通信设备及存储介质。
背景技术
在通信系统中,允许终端在无线资源控制(RRC,Radio Resource Control)非激活态(INACTIVE)态下和RRC空闲(IDLE)态下进行小数据传输(SDT,Small Data Transmission)。如此,终端可以不用进入RRC连接态即可完成数据传输,以减少时频资源的浪费、缩短数据传输时延和节省终端能耗。相关技术中,在基于SDT进行通信时,存在可靠性低的问题。
发明内容
本公开实施例公开了一种小数据传输SDT方法、装置、通信设备及存储介质。
根据本公开实施例的第一方面,提供一种小数据传输SDT方法,其中,所述方法由接入网设备执行,所述方法包括:
向终端发送配置信息;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
在一个实施例中,所述向终端发送配置信息,包括以下至少一项:
通过终端专用消息向所述终端发送所述配置信息;
或者,
通过广播消息向所述终端发送所述配置信息。
在一个实施例中,所述配置信息包括承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB。
在一个实施例中,所述配置信息还指示是否能够发起SDT的指示信息;所述SDT包括移动主叫小数据传输MO SDT和/或移动被叫小数据传输MT SDT。
在一个实施例中,所述参数阈值包括以下至少之一:
参考信号接收强度RSRP值;
参考信号接收质量RSRQ值;以及
信号干扰比SINR值。
在一个实施例中,所述参数阈值包括以下至少之一:
第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及
第二参数阈值,其中,所述第二参数阈值为用于确定是否触发移动主叫小数据传输MO SDT的阈值。
在一个实施例中,所述第一参数阈值等于所述第二参数阈值。
在一个实施例中,所述参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
在一个实施例中,所述配置信息还用于指示SDT的上行资源;所述上行资源用于发起初始接入,或者,所述上行资源用于发送上行数据。
在一个实施例中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号DMRS信息。
根据本公开实施例的第二方面,提供一种小数据传输SDT方法,其中,所述方法由终端执行,所述方法包括:
根据配置信息执行SDT;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
在一个实施例中,所述方法还包括:
确定所述配置信息,其中,所述确定所述配置信息包括以下至少一项:
根据预定通信协议确定所述配置信息;
和/或,
根据接收到的接入网设备发送的信息确定所述配置信息。
在一个实施例中,所述接收接入网设备发送的所述配置信息,包括以下至少一项:
通过终端专用消息接收接入网设备发送的所述配置信息;
通过广播消息接收接入网设备发送的所述配置信息。
在一个实施例中,所述配置信息包括承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB。
在一个实施例中,所述配置信息还指示是否能够发起SDT的指示信息;所述SDT包括移动主叫小数据传输MO SDT和/或移动被叫小数据传输MT SDT。
在一个实施例中,所述参数阈值包括以下至少之一:
参考信号接收强度RSRP值;
参考信号接收质量RSRQ值;以及
信号干扰比SINR值。
在一个实施例中,所述参数阈值包括以下至少之一:
第一参数阈值,为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及
第二参数阈值,为用于确定是否触发移动主叫小数据传输MO SDT的阈值。
在一个实施例中,所述第一参数阈值等于所述第二参数阈值。
在一个实施例中,所述参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或,所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
在一个实施例中,所述配置信息还指示SDT的上行资源;所述上行资源用于发起初始接入;或者,所述上行资源用于发送上行数据。
在一个实施例中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号DMRS信息。
在一个实施例中,所述根据配置信息执行SDT,包括:
根据基于所述配置信息确定的触发条件,执行SDT。
在一个实施例中,所述触发条件包括以下至少之一:
第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行SDT;
第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行SDT;
第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行SDT;
第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行SDT;以及
第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行SDT。
在一个实施例中,所述方法还包括:
响应于预定条件满足,执行基于预定随机接入资源的随机接入过程;
其中,所述预定条件包括以下之一:
终端的信号测量结果小于或者等于所述参数阈值;
终端的数据发送次数大于或者等于数量阈值;以及
预定定时器超时。
在一个实施例中,所述发送次数包括以下之一:
在SDT过程中首次发送数据时发送的随机接入前导码的次数;以及
在SDT过程中首次发送数据的次数。
在一个实施例中,所述定时器的启动条件包括以下之一:
SDT被触发;
首次发送上行数据;以及
首次发送随机接入前导码。
在一个实施例中,所述定时器的停止条件包括以下之一:
接收到无线资源控制RRC状态转换指令;
接收到随机接入过程的确认消息;以及
接收到数据接收完成的指示信息。
在一个实施例中,所述方法还包括:
响应于配置有使用上行资源传输的上行数据的数据量的预设阈值,忽略所述参数阈值;
其中,所述预设阈值用于确定基于所述上行资源执行SDT的触发条件。
在一个实施例中,所述信号测量结果对应的测量信号包括以下之一:
路径损耗参考信号;
指定测量对象的信号;
当前驻留小区的信号;以及
发起SDT的小区的信号。
在一个实施例中,所述信号测量结果对应的测量信号为同步信号块SSB或者信道状态信息参考信号CSI-RS。
根据本公开实施例的第三方面,提供一种小数据传输SDT装置,其中,所述装置包括:
发送模块,用于向终端发送配置信息;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
根据本公开实施例的第四方面,提供一种小数据传输SDT装置,其中,所述装置包括:
接收模块,用于根据配置信息执行SDT;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
根据本公开实施例的第五方面,提供一种通信设备,所述通信设备,包括:
处理器;
用于存储所述处理器可执行指令的存储器;
其中,所述处理器被配置为:用于运行所述可执行指令时,实现本公开任意实施例所述的方法。
根据本公开实施例的第六方面,提供一种计算机存储介质,所述计算机存储介质存储有计算机可执行程序,所述可执行程序被处理器执行时实现本公开任意实施例所述的方法。
在本公开实施例中,向终端发送配置信息;其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。这里,由于所述配置信息指示了触发SDT的触发条件的参数阈值,所述终端在接收到所述配置信息后,就可以基于网络配置的参数阈值确定触发SDT的触发条件。当在所述触发条件满足时,可以触发SDT,如此,终端可以在网络侧的控制下,执行SDT,相较于不受网络控制的SDT,减少了SDT失败的情况,可以提升SDT的传输可靠性。
附图说明
图1是根据一示例性实施例示出的一种无线通信系统的结构示意图。
图2是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图3是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图4是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图5是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图6是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图7是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图8是根据一示例性实施例示出的一种小数据传输SDT方法的流程示意图。
图9是根据一示例性实施例示出的一种终端的结构示意图。
图10是根据一示例性实施例示出的一种基站的框图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开实施例范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
出于简洁和便于理解的目的,本文在表征大小关系时,所使用的术语为“大于”或“小于”。但对于本领域技术人员来说,可以理解:术语“大于”也涵盖了“大于等于”的含义,“小于”也涵盖了“小于等于”的含义。
请参考图1,其示出了本公开实施例提供的一种无线通信系统的结构示意图。如图1所示,无线通信系统是基于移动通信技术的通信系统,该无线通信系统可以包括:若干个用户设备110以及若干个基站120。
其中,用户设备110可以是向用户提供语音和/或数据连通性的设备。用户设备110可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网进行通信,用户设备110可以是物联网用户设备,如传感器设备、移动电话和具有物联网用户设备的计算机,例如,可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如,站(Station,STA)、订户单元(subscriber unit)、订户站(subscriber station),移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程用户设备(remote terminal)、接入用户设备(access terminal)、用户装置(user terminal)、用户代理(user agent)、用户设备(user device)、或用户设备(user equipment)。或者,用户设备110也可以是无人飞行器的设备。或者,用户设备110也可以是车载设备,比如,可以是具有无线通信功能的行车电脑,或者是外接行车电脑的无线用户设备。或者,用户设备110也可以是路边设备,比如,可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
基站120可以是无线通信系统中的网络侧设备。其中,该无线通信系统可以是第四代移动通信技术(the 4th generation mobile communication,4G)系统,又称长期演进(Long Term Evolution,LTE)系统;或者,该无线通信系统也可以是5G系统,又称新空口系统或5G NR系统。或者,该无线通信系统也可以是5G系统的再下一代系统。其中,5G系统中的接入网可以称为NG-RAN(New  Generation-Radio Access Network,新一代无线接入网)。
其中,基站120可以是4G系统中采用的演进型基站(eNB)。或者,基站120也可以是5G系统中采用集中分布式架构的基站(gNB)。当基站120采用集中分布式架构时,通常包括集中单元(central unit,CU)和至少两个分布单元(distributed unit,DU)。集中单元中设置有分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)层、无线链路层控制协议(Radio Link Control,RLC)层、媒体访问控制(Media Access Control,MAC)层的协议栈;分布单元中设置有物理(Physical,PHY)层协议栈,本公开实施例对基站120的具体实现方式不加以限定。
基站120和用户设备110之间可以通过无线空口建立无线连接。在不同的实施方式中,该无线空口是基于第四代移动通信网络技术(4G)标准的无线空口;或者,该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口,比如该无线空口是新空口;或者,该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
在一些实施例中,用户设备110之间还可以建立E2E(End to End,端到端)连接。比如车联网通信(vehicle to everything,V2X)中的V2V(vehicle to vehicle,车对车)通信、V2I(vehicle to Infrastructure,车对路边设备)通信和V2P(vehicle to pedestrian,车对人)通信等场景。
这里,上述用户设备可认为是下面实施例的终端设备。
在一些实施例中,上述无线通信系统还可以包含网络管理设备130。
若干个基站120分别与网络管理设备130相连。其中,网络管理设备130可以是无线通信系统中的核心网设备,比如,该网络管理设备130可以是演进的数据分组核心网(Evolved Packet Core,EPC)中的移动性管理实体(Mobility Management Entity,MME)。或者,该网络管理设备也可以是其它的核心网设备,比如服务网关(Serving GateWay,SGW)、公用数据网网关(Public Data Network GateWay,PGW)、策略与计费规则功能单元(Policy and Charging Rules Function,PCRF)或者归属签约用户服务器(Home Subscriber Server,HSS)等。对于网络管理设备130的实现形态,本公开实施例不做限定。
为了便于本领域内技术人员理解,本公开实施例列举了多个实施方式以对本公开实施例的技术方案进行清晰地说明。当然,本领域内技术人员可以理解,本公开实施例提供的多个实施例,可以被单独执行,也可以与本公开实施例中其他实施例的方法结合后一起被执行,还可以单独或结合后与其他相关技术中的一些方法一起被执行;本公开实施例并不对此作出限定。
为了更好地理解本公开实施例,以下通过对SDT的相关场景进行说明:
在一个实施例中,在SDT中,根据网络侧配置的资源,终端在RRC IDLE或者INACTIVE状态时,可以通过预定方式将数据直接发送给网络侧。所述预定方式包括以下之一:
通过初始接入的4步随机接入过程的Msg3发送(或者,可以称为4-step RACH SDT);
通过初始接入的2步随机接入过程的MsgA发送(或者,可以称为2-step RACH SDT);
通过网络配置的专属上行物理上行共享信道(PUSCH,Physical Uplink Shared Channel)资源发送(或者,可以称为配置授权(CG,Configure Grant));以及
通过预分配上行资源(PUR,Preallocated Uplink Resource)发送(或者,可以称为CG SDT)
由于该过程是用于上行数据发送,因此,也可以被称为移动主叫(MO,Mobile Originated)SDT。
在一个实施例中,在SDT中,网络侧通过发送下行寻呼消息,让终端在RRC IDLE或者RRC INACTIVE状态发起连接恢复(或建立)过程。从而让终端保留在RRC IDLE或者RRC INACTIVE状态,并接收网络侧下发的下行数据。该过程被称为移动被叫(MT,Mobile Terminated)SDT。终端在触发MT-SDT后,通过恢复MT-SDT对应的承载进行数据接收。
如图2所示,本实施例中提供一种小数据传输SDT方法,其中,所述方法由接入网设备执行,所述方法包括:
步骤21、向终端发送配置信息;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
这里,本公开所涉及的终端可以是但不限于是手机、可穿戴设备、车载终端、路侧单元(RSU,Road Side Unit)、智能家居终端、工业用传感设备和/或医疗设备等。在一些实施例中,该终端可以是Redcap终端或者预定版本的新空口NR终端(例如,R17的NR终端)。
本公开中涉及的接入网设备可以是基站,所述基站可以为各种类型的基站,例如,第三代移动通信(3G)网络的基站、第四代移动通信(4G)网络的基站、第五代移动通信(5G)网络的基站或其它演进型基站。
在一个实施例中,所述触发条件包括以下至少之一:
第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行SDT;
第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行SDT;
第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行SDT;
第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行SDT;以及
第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行SDT。
在一个实施例中,所述第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行MT和/或MO SDT。
在一个实施例中,第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行MO SDT。
在一个实施例中,第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行MO SDT。
在一个实施例中,第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行MO SDT。
在一个实施例中,第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行MO SDT。
在一个实施例中,在终端处于RRC连接态时,通过RRC消息向终端发送配置信息,其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,通过终端专用消息向终端发送配置信息,其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。示例性地,所述专用消息可以是RRC释放消息。
在一个实施例中,通过广播消息向终端发送配置信息,其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。示例性地,所述广播消息可以是系统消息SIB1。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括以下至少之一:参考信号接收强度(RSRP,Reference Signal Received Power)值;参考信号接收质量(RSRQ,Reference Signal Received Quality)值;以及信号干扰比(SINR,Signal to Interference and Noise Ratio)值。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括承载指示信息,用于指示数据无线承载(DRB,Data Radio Bearer)或者信令无线承载(SRB,Signaling Radio Bearer)。如此,所述终端可以基于所述承载指示信息确定使用DRB或者SRB。
在一个实施例中,所述SDT包括移动主叫小数据传输MO SDT和/或移动被叫小数据传输MT SDT。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值,并且其中,所述配置信息包括承载指示信息,用于指示DRB或者SRB。
在一些可能的实施方式中,当所述配置信息包括承载指示信息时,所述配置信息还可以指示是否能够发起移动主叫小数据传输MO SDT(或者,上行SDT)的指示信息。例如,网络侧设备可以向终端设备发送配置信息,所述配置信息用于指示触发SDT的触发条件的参数阈值,并且所述配置信息还可以指示能够发起移动主叫小数据传输MO SDT(或者,上行SDT),当终端接收到配置信息时,终端可以根据触发条件发起移动主叫小数据传输MO SDT。而当所述配置信息还可以指示不能够发起移动主叫小数据传输MO SDT(或者,上行SDT),即使终端满足触发条件,终端也不发起主叫小数据传输MO SDT。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括承载指示信息,用于指示DRB或者SRB;响应于所述配置信息包括承载指示信息,所述配置信息还指示是否能够发起移动被叫小数据传输MT SDT的指示信息。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括MT SDT的承载指示信息,用于指示DRB或者SRB;响应于所述配置信息包括承载指示信息,所述配置信息还指示是否能够发起移动主叫小数据传输MO SDT(或者,上行SDT)的指示信息。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括以下至少之一:第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及第二参数阈值,其中,所述第二参数阈值为用于确定 是否触发移动主叫小数据传输MO SDT的阈值。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括以下至少之一:第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及第二参数阈值,其中,所述第二参数阈值为用于确定是否触发移动主叫小数据传输MO SDT的阈值;所述第一参数阈值等于所述第二参数阈值。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括:第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;所述参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或,所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括:第二参数阈值,其中,所述第二参数阈值为用于确定是否触发移动主叫小数据传输MO SDT的阈值;所述参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或,所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息还用于指示MO SDT的上行资源;其中,所述上行资源用于发起初始接入,或者,所述上行资源用于发送上行数据。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示以下至少之一:触发SDT的触发条件的参数阈值;SDT的上行资源;所述上行资源用于发起初始接入;以及所述上行资源用于发送上行数据。
在一个实施例中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号解调参考信号(DMRS,Demodulation Reference Signal)信息。示例性地,所述随机接入资源信息可以是物理随机接入信道(PRACH,Physical Random Access Channel)时频资源和/或PRACH码域资源(例如,前导码编号)的信息。所述配置授权资源信息可以是物理上行共享信道(PUSCH,Physical Uplink Shared Channel)时频资源或者PUSCH的码域资源(例如,无线网络临时标识(RNTI,Radio Network Temporary Identity))
在本公开实施例中,向终端发送配置信息;其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。这里,由于所述配置信息指示了触发SDT的触发条件的参数阈值,所述终端在接收到所述配置信息后,就可以基于网络配置的参数阈值确定触发SDT的触发条件。当在所述触发条件满足时,可以触发SDT,如此,终端可以在网络侧的控制下,执行SDT,相较于不受网络控制的SDT,减少了SDT失败的情况,可以提升SDT的传输可靠性。
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图3所示,本实施例中提供一种小数据传输SDT方法,其中,所述方法由接入网设备执行,所述方法包括:
步骤31、向终端发送配置信息;其中,所述配置信息用于指示触发SDT的触发条件的参数阈值,并且所述配置信息还用于指示以下至少之一:
承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB;以及
SDT的上行资源,所述上行资源用于发起初始接入或者用于发送上行数据。
在一个实施例中,向终端发送配置信息;其中,所述配置信息用于指示触发MO SDT的触发条件的参数阈值,并且所述配置信息还用于指示以下至少之一:承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB;以及MO SDT的上行资源,所述上行资源用于发起初始接入或者用于发送上行数据。
需要说明的是,所述上行资源不限于MO SDT的上行资源,还可以是MT SDT的上行资源,或者是其他上行资源,本公开在此不做限定。
在一个实施例中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号解调参考信号(DMRS,Demodulation Reference Signal)信息。示例性地,所述随机接入资源信息可以是物理随机接入信道(PRACH,Physical Random Access Channel)时频资源和/或PRACH码域资源(例如,前导码编号)的信息。所述配置授权资源信息可以是物理上行共享信道(PUSCH,Physical Uplink Shared Channel)时频资源或者PUSCH的码域资源(例如,无线网络临时标识(RNTI,Radio Network Temporary Identity))
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图4所示,本实施例中提供一种小数据传输SDT方法,其中,所述方法由终端执行,所述方法包括:
步骤41、根据配置信息执行SDT;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
这里,本公开所涉及的终端可以是但不限于是手机、可穿戴设备、车载终端、路侧单元(RSU,Road Side Unit)、智能家居终端、工业用传感设备和/或医疗设备等。在一些实施例中,该终端可以是Redcap终端或者预定版本的新空口NR终端(例如,R17的NR终端)。
本公开中涉及的接入网设备可以是基站,所述基站可以为各种类型的基站,例如,第三代移动通信(3G)网络的基站、第四代移动通信(4G)网络的基站、第五代移动通信(5G)网络的基站或其它演进型基站。
在一个实施例中,根据预定通信协议,确定所述配置信息。根据所述配置信息,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,接收接入网设备发送的所述配置信息。根据所述配置信息,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,所述触发条件包括以下至少之一:
第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行SDT;
第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行SDT;
第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行SDT;
第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行SDT;以及
第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行SDT。
在一个实施例中,所述第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行MT和/或MO SDT。
在一个实施例中,第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行MO SDT。
在一个实施例中,第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行MO SDT。
在一个实施例中,第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行MO SDT。
在一个实施例中,第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行MO SDT。
在一个实施例中,在终端处于RRC连接态时,通过RRC消息接收接入网设备发送的所述配置信息,其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,通过终端专用消息接收接入网设备发送的所述配置信息,其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。示例性地,所述专用消息可以是RRC释放消息。
在一个实施例中,通过广播消息接收接入网设备发送的所述配置信息,其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。示例性地,所述广播消息可以是系统消息SIB1。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括以下至少之一:参考信号接收强度(RSRP,Reference Signal Received Power)值;参考信号接收质量(RSRQ,Reference Signal Received Quality)值;以及信号干扰比(SINR,Signal to Interference and Noise Ratio)值。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括承载指示信息,用于指示数据无线承载(DRB,Data Radio Bearer)或者信令无线承载(SRB,Signaling Radio Bearer)。如此,所述终端可以基于所述承载指示信息确定使用DRB或者SRB。
在一个实施例中,所述配置信息还指示是否能够发起SDT的指示信息;所述SDT包括移动主叫小数据传输MO SDT和/或移动被叫小数据传输MT SDT。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括承载指示信息,用于指示DRB或者SRB;响应于所述配置 信息包括承载指示信息,所述配置信息还指示是否能够发起移动主叫小数据传输MO SDT(或者,上行SDT)的指示信息。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括承载指示信息,用于指示DRB或者SRB;响应于所述配置信息包括承载指示信息,所述配置信息还指示是否能够发起移动被叫小数据传输MT SDT的指示信息。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息包括MO SDT的承载指示信息,用于指示DRB或者SRB;响应于所述配置信息包括承载指示信息,所述配置信息还指示是否能够发起移动被叫小数据传输MT SDT的指示信息。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括以下至少之一:第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及第二参数阈值,其中,所述第二参数阈值,为用于确定是否触发移动主叫小数据传输MO SDT的阈值。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括以下至少之一:第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及第二参数阈值,其中,所述第二参数阈值为用于确定是否触发移动主叫小数据传输MO SDT的阈值;所述第一参数阈值等于所述第二参数阈值。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括:第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;所述第一参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或,所述第一参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述参数阈值包括:第二参数阈值,其中,所述第二参数阈值为用于确定是否触发移动主叫小数据传输MO SDT的阈值;所述第二参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或,所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。第一参数阈值可以与第二参数阈值相同,即,可以通过相同的信令配置用于判断是否发起MT-SDT过程的相关配置参数以及与用于判断是否发起MO SDT过程的相关配置参数,该配置参数例如可以是参数阈值或者承载指示。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值;所述配置信息还用于指示MO SDT的上行资源;其中,所述上行资源用于发起初始接入,或者,所述上行资源用于发送上行数据。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示以下至少之一:触发SDT的触发条件的参数阈值;SDT的上行资源;所述上行资源用于发起初始接入;以及所述上行资源用于发送上行数据。
在一个实施例中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号解调参考信号(DMRS,Demodulation Reference Signal)信息。示例性地,所述随机接入资源信息可以是物理随机接入信道(PRACH,Physical Random Access Channel)时频资源和/或PRACH码域资源(例如,前导码编号)的信息。所述配置授权资源信息可以是物理上行共享信道(PUSCH,Physical Uplink Shared Channel)时频资源或者PUSCH的码域资源(例如,无线网络临时标识(RNTI,Radio Network Temporary Identity))
在一个实施例中,根据基于所述配置信息确定的触发条件,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,所述触发条件包括以下至少之一:
第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行SDT;
第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行SDT;
第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行SDT;
第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行SDT;以及
第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行SDT。
在一个实施例中,所述信号测量结果对应的测量信号为同步信号块(SSB,Synchronous Signal Block)或者信道状态信息参考信号(CSI-RS,Channel State Information Reference Signaling)。
在一个实施例中,根据基于所述配置信息确定的触发条件,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。响应于预定条件满足,执行基于预定随机接入资源的随机接入过程;其中,所述预定条件包括以下之一:终端的信号测量结果小于或者等于所述参数阈值;终端的数据发送次数大于或者等于数量阈值;以及预定定时器超时。
在一个实施例中,所述发送次数包括以下之一:
在SDT过程中首次发送数据时发送的随机接入前导码的次数;以及
在SDT过程中首次发送数据的次数。
需要说明的是,如果首次数据发送不成功而导致多次重传,会导致多次发送随机接入前导码。
需要说明的是,如果首次数据发送不成功,会导致多次重传。示例性地,通过CG资源发送多次首次数据。
在一个实施例中,所述定时器的启动条件包括以下之一:
SDT被触发;
首次发送上行数据;以及
首次发送随机接入前导码。
在一个实施例中,所述定时器的停止条件包括以下之一:
接收到无线资源控制RRC状态转换指令;
接收到随机接入过程的确认消息;以及
接收到数据接收完成的指示信息。
其中,所述状态转换指令可以是通过以下之一的消息发送的:RRC释放消息、RRC配置消息以及RRC恢复消息。
其中,所述确认消息可以是4步随机接入的Msg4,或者2步随机接入的MsgB消息。
其中,对于利用CG资源发送的数据,所述指示信息可以是C-RNTI PDCCH指示信息。
在一个实施例中,所述信号测量结果对应的测量信号包括以下之一:
路径损耗参考信号;
指定测量对象的信号;
当前驻留小区的信号;以及
发起SDT的小区的信号。
其中,指定测量对象可以是服务测量对象。
在一个实施例中,所述信号测量结果对应的测量信号为同步信号块SSB或者信道状态信息参考信号CSI-RS。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。响应于配置有使用上行资源传输的上行数据的数据量的预设阈值,忽略所述参数阈值;其中,所述预设阈值用于确定基于所述上行资源执行SDT的触发条件。
在本公开实施例中,根据配置信息执行SDT;其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。这里,由于所述配置信息指示了触发SDT的触发条件的参数阈值,所述终端在确定所述配置信息后,就可以基于网络配置的参数阈值确定触发SDT的触发条件。当在所述触发条件满足时,可以触发SDT,如此,终端可以在网络侧的控制下,执行SDT,相较于不受网络控制的SDT,减少了SDT失败的情况,可以提升SDT的传输可靠性。
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图5所示,本实施例中提供一种小数据传输SDT方法,其中,所述方法由终端执行,所述方法包括:
步骤51、接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示触发SDT的触发条件的参数阈值以及以下至少之一:
承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB;以及
SDT的上行资源,所述上行资源用于发起初始接入或者用于发送上行数据。
在一个实施例中,接收接入网设备发送的所述配置信息;其中,所述配置信息用于指示触发MO SDT的触发条件的参数阈值,并且所述配置信息还用于指示以下至少之一:承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB;以及MO SDT的上行资源,所述上行资源用于发起初始接入或者用于发送上行数据。
需要说明的是,所述上行资源也不限于MO SDT的上行资源,还可以是MT SDT的上行资源,在此不做限定。
在一个实施例中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号解调参考信号(DMRS,Demodulation Reference Signal)信息。示例性地,所述随机接入资源信息可以是物理随机接入信道(PRACH,Physical Random Access Channel)时频资源和/或PRACH码域资源(例如,前导码编号)的信息。所述配置授权资源信息可以是物理上行共享信道(PUSCH,Physical Uplink Shared Channel)时频资源或者PUSCH的码域资源(例如,无线网络临时标识(RNTI,Radio Network Temporary Identity))
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图6所示,本实施例中提供一种小数据传输SDT方法,其中,所述方法由终端执行,所述方法包括:
步骤61、根据基于配置信息确定的触发条件,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,根据预定通信协议,确定所述配置信息。根据所述配置信息,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,接收接入网设备发送的所述配置信息。根据所述配置信息,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。
在一个实施例中,所述触发条件包括以下至少之一:
第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行SDT;
第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行SDT;
第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行SDT;
第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行SDT;以及
第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行SDT。
在一个实施例中,所述信号测量结果对应的测量信号包括以下之一:
路径损耗参考信号;
指定测量对象的信号;
当前驻留小区的信号;以及
发起SDT的小区的信号。
在一个实施例中,所述信号测量结果对应的测量信号为同步信号块SSB或者信道状态信息参考信号CSI-RS。
在一个实施例中,所述第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行MT和/或MO SDT。
在一个实施例中,第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行MO SDT。
在一个实施例中,第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行MO SDT。
在一个实施例中,第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行MO SDT。
在一个实施例中,第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行MO SDT。
在一个实施例中,根据基于所述配置信息确定的触发条件,执行SDT;其中,所述配置信息用于指示:触发SDT的触发条件的参数阈值。响应于预定条件满足,执行基于预定随机接入资源的随机接入过程;其中,所述预定条件包括以下之一:终端的信号测量结果小于或者等于所述参数阈值;终端的数据发送次数大于或者等于数量阈值;以及预定定时器超时。
在一个实施例中,所述发送次数包括以下之一:
在SDT过程中首次发送数据时发送的随机接入前导码的次数;以及
在SDT过程中首次发送数据的次数。
在一个实施例中,所述定时器的启动条件包括以下之一:
SDT被触发;
首次发送上行数据;以及
首次发送随机接入前导码。
在一个实施例中,所述定时器的停止条件包括以下之一:
接收到无线资源控制RRC状态转换指令;
接收到随机接入过程的确认消息;以及
接收到数据接收完成的指示信息。
在一个实施例中,响应于配置有使用上行资源传输的上行数据的数据量的预设阈值,忽略所述参数阈值;其中,所述预设阈值用于确定基于所述上行资源执行SDT的触发条件。
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图7、所示,本公开实施例中提供一种小数据传输SDT装置,其中,所述装置包括:
发送模块71,用于向终端发送配置信息;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图8、所示,本公开实施例中提供一种小数据传输SDT装置,其中,所述装置包括:
接收模块81,用于根据配置信息执行SDT;
其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
需要说明的是,本领域内技术人员可以理解,本公开实施例提供的方法,可以被单独执行,也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
本公开实施例提供一种通信设备,通信设备,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,处理器被配置为:用于运行可执行指令时,实现应用于本公开任意实施例的方法。
其中,处理器可包括各种类型的存储介质,该存储介质为非临时性计算机存储介质,在通信设备掉电之后能够继续记忆存储其上的信息。
处理器可以通过总线等与存储器连接,用于读取存储器上存储的可执行程序。
本公开实施例还提供一种计算机存储介质,其中,计算机存储介质存储有计算机可执行程序,可执行程序被处理器执行时实现本公开任意实施例的方法。
关于上述实施例中的装置,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。
如图9所示,本公开一个实施例提供一种终端的结构。
参照图9所示终端800本实施例提供一种终端800,该终端具体可是移动电话,计算机,数字广播终端,消息收发设备,游戏控制台,平板设备,医疗设备,健身设备,个人数字助理等。
参照图9,终端800可以包括以下一个或多个组件:处理组件802,存储器804,电源组件806,多媒体组件808,音频组件810,输入/输出(I/O)的接口812,传感器组件814,以及通信组件816。
处理组件802通常控制终端800的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件802可以包括一个或多个处理器820来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件802可以包括一个或多个模块,便于处理组件802和其他组件之间的交互。例如,处理组件802可以包括多媒体模块,以方便多媒体组件808和处理组件802之间的交互。
存储器804被配置为存储各种类型的数据以支持在设备800的操作。这些数据的示例包括用于在终端800上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器804可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电源组件806为终端800的各种组件提供电力。电源组件806可以包括电源管理系统,一个或多个 电源,及其他与为终端800生成、管理和分配电力相关联的组件。
多媒体组件808包括在终端800和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件808包括一个前置摄像头和/或后置摄像头。当设备800处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件810被配置为输出和/或输入音频信号。例如,音频组件810包括一个麦克风(MIC),当终端800处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器804或经由通信组件816发送。在一些实施例中,音频组件810还包括一个扬声器,用于输出音频信号。
I/O接口812为处理组件802和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件814包括一个或多个传感器,用于为终端800提供各个方面的状态评估。例如,传感器组件814可以检测到设备800的打开/关闭状态,组件的相对定位,例如组件为终端800的显示器和小键盘,传感器组件814还可以检测终端800或终端800一个组件的位置改变,用户与终端800接触的存在或不存在,终端800方位或加速/减速和终端800的温度变化。传感器组件814可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件814还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件814还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件816被配置为便于终端800和其他设备之间有线或无线方式的通信。终端800可以接入基于通信标准的无线网络,如Wi-Fi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件816经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,通信组件816还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,终端800可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器804,上述指令可由终端800的处理器820执行以完成上述方法。例如,非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
如图10所示,本公开一实施例示出一种基站的结构。例如,基站900可以被提供为一网络侧设备。参照图10,基站900包括处理组件922,其进一步包括一个或多个处理器,以及由存储器932所代表的 存储器资源,用于存储可由处理组件922的执行的指令,例如应用程序。存储器932中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外,处理组件922被配置为执行指令,以执行上述方法前述应用在所述基站的任意方法。
基站900还可以包括一个电源组件926被配置为执行基站900的电源管理,一个有线或无线网络接口950被配置为将基站900连接到网络,和一个输入输出(I/O)接口958。基站900可以操作基于存储在存储器932的操作系统,例如Windows Server TM,Mac OS XTM,UnixTM,LinuxTM,FreeBSDTM或类似。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本发明的其它实施方案。本公开旨在涵盖本发明的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本发明的真正范围和精神由下面的权利要求指出。
应当理解的是,本发明并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。

Claims (34)

  1. 一种小数据传输SDT方法,其中,所述方法由接入网设备执行,所述方法包括:
    向终端发送配置信息;
    其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
  2. 根据权利要求1所述的方法,其中,所述向终端发送配置信息,包括以下至少一项:
    通过终端专用消息向所述终端发送所述配置信息;
    通过广播消息向所述终端发送所述配置信息。
  3. 根据权利要求1所述的方法,其中,所述配置信息包括承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB。
  4. 根据权利要求3所述的方法,其中,所述配置信息还用于指示是否能够发起SDT的指示信息;所述SDT包括移动主叫小数据传输MO SDT和/或移动被叫小数据传输MT SDT。
  5. 根据权利要求1所述的方法,其中,所述参数阈值包括以下至少之一:
    参考信号接收强度RSRP值;
    参考信号接收质量RSRQ值;以及
    信号干扰比SINR值。
  6. 根据权利要求1所述的方法,其中,所述参数阈值包括以下至少之一:
    第一参数阈值,其中,所述第一参数阈值为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及
    第二参数阈值,其中,所述第二参数阈值为用于确定是否触发移动主叫小数据传输MO SDT的阈值。
  7. 根据权利要求6所述的方法,其中,所述第一参数阈值等于所述第二参数阈值。
  8. 根据权利要求1所述的方法,其中,
    所述参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或
    所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
  9. 根据权利要求1所述的方法,其中,所述配置信息还用于指示SDT的上行资源,其中,所述上行资源用于发起初始接入,或者,所述上行资源用于发送上行数据。
  10. 根据权利要求9所述的方法,其中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号DMRS信息。
  11. 一种小数据传输SDT方法,其中,所述方法由终端执行,所述方法包括:
    根据配置信息执行SDT;
    其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
  12. 根据权利要求11所述的方法,其中,所述方法还包括:
    确定所述配置信息,其中,所述确定所述配置信息包括以下至少一项:
    根据预定通信协议确定所述配置信息;
    根据接收到的接入网设备发送的信息确定所述配置信息。
  13. 根据权利要求12所述的方法,其中,所述接收接入网设备发送的所述配置信息,包括以下至少一项:
    通过终端专用消息接收接入网设备发送的所述配置信息;
    通过广播消息接收接入网设备发送的所述配置信息。
  14. 根据权利要求11所述的方法,其中,所述配置信息包括承载指示信息,用于指示数据无线承载DRB或者信令无线承载SRB。
  15. 根据权利要求14所述的方法,其中,所述配置信息还指示是否能够发起SDT的指示信息;所述SDT包括移动主叫小数据传输MO SDT和/或移动被叫小数据传输MT SDT。
  16. 根据权利要求11所述的方法,其中,所述参数阈值包括以下至少之一:
    参考信号接收强度RSRP值;
    参考信号接收质量RSRQ值;以及
    信号干扰比SINR值。
  17. 根据权利要求11所述的方法,其中,所述参数阈值包括以下至少之一:
    第一参数阈值,为用于确定是否触发移动被叫小数据传输MT SDT的阈值;以及
    第二参数阈值,为用于确定是否触发移动主叫小数据传输MO SDT的阈值。
  18. 根据权利要求17所述的方法,其中,所述第一参数阈值等于所述第二参数阈值。
  19. 根据权利要求11所述的方法,其中,所述参数阈值为用于确定通过随机接入过程进行数据传输的阈值;和/或,所述参数阈值为用于确定通过配置授权CG资源进行数据传输的阈值。
  20. 根据权利要求11所述的方法,其中,所述配置信息还指示SDT的上行资源;其中,所述上行资源用于发起初始接入;或者,所述上行资源用于发送上行数据。
  21. 根据权利要求20所述的方法,其中,所述上行资源的配置包括随机接入资源信息、配置授权资源信息和/或解调参考信号DMRS信息。
  22. 根据权利要求11所述的方法,其中,所述根据配置信息执行SDT,包括:
    根据基于所述配置信息确定的触发条件,执行SDT。
  23. 根据权利要求22所述的方法,其中,所述触发条件包括以下至少之一:
    第一触发条件,包括:响应于终端的信号测量结果大于或者等于所述参数阈值,执行SDT;
    第二触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,且终端的信号测量结果大于或者等于所述参数阈值,基于MO SDT对应的上行资源执行SDT;
    第三触发条件,包括:响应于配置信息配置了上行资源,且终端的信号测量结果大于或者等于所述参数阈值,基于所述上行资源执行SDT;
    第四触发条件,包括:响应于终端的承载被配置为允许使用MT SDT和MO SDT,基于MO SDT对应的上行资源执行SDT;以及
    第五触发条件,包括:响应于配置信息配置了上行资源,基于所述上行资源执行SDT。
  24. 根据权利要求23所述的方法,其中,所述方法还包括:
    响应于预定条件满足,执行基于预定随机接入资源的随机接入过程;
    其中,所述预定条件包括以下之一:
    终端的信号测量结果小于或者等于所述参数阈值;
    终端的数据发送次数大于或者等于数量阈值;以及
    预定定时器超时。
  25. 根据权利要求24所述的方法,其中,所述发送次数包括以下之一:
    在SDT过程中首次发送数据时发送的随机接入前导码的次数;以及
    在SDT过程中首次发送数据的次数。
  26. 根据权利要求24所述的方法,其中,所述定时器的启动条件包括以下之一:
    SDT被触发;
    首次发送上行数据;以及
    首次发送随机接入前导码。
  27. 根据权利要求25所述的方法,其中,所述定时器的停止条件包括以下之一:
    接收到无线资源控制RRC状态转换指令;
    接收到随机接入过程的确认消息;以及
    接收到数据接收完成的指示信息。
  28. 根据权利要求23所述的方法,其中,所述方法还包括:
    响应于配置有使用上行资源传输的上行数据的数据量的预设阈值,忽略所述参数阈值;
    其中,所述预设阈值用于确定基于所述上行资源执行SDT的触发条件。
  29. 根据权利要求23所述的方法,其中,所述信号测量结果对应的测量信号包括以下之一:
    路径损耗参考信号;
    指定测量对象的信号;
    当前驻留小区的信号;以及
    发起SDT的小区的信号。
  30. 根据权利要求23所述的方法,其中,所述信号测量结果对应的测量信号为同步信号块SSB或者信道状态信息参考信号CSI-RS。
  31. 一种小数据传输SDT装置,其中,所述装置包括:
    发送模块,用于向终端发送配置信息;
    其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
  32. 一种小数据传输SDT装置,其中,所述装置包括:
    接收模块,用于根据配置信息执行SDT;
    其中,所述配置信息用于指示触发SDT的触发条件的参数阈值。
  33. 一种通信设备,其中,包括:
    天线;
    存储器;
    处理器,分别与所述天线及存储器连接,被配置为通过执行存储在所述存储器上的计算机可执行指令,控制所述天线的收发,并能够实现权利要求1至10或者11至30任一项提供的方法。
  34. 一种计算机存储介质,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令被处理器执行后能够实现权利要求1至10或者11至30任一项提供的方法。
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