WO2021052057A1 - Procédé et dispositif de transmission de données en réception discontinue (drx), et support de stockage - Google Patents

Procédé et dispositif de transmission de données en réception discontinue (drx), et support de stockage Download PDF

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Publication number
WO2021052057A1
WO2021052057A1 PCT/CN2020/108176 CN2020108176W WO2021052057A1 WO 2021052057 A1 WO2021052057 A1 WO 2021052057A1 CN 2020108176 W CN2020108176 W CN 2020108176W WO 2021052057 A1 WO2021052057 A1 WO 2021052057A1
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WIPO (PCT)
Prior art keywords
drx
timer
user equipment
state
base station
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PCT/CN2020/108176
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English (en)
Chinese (zh)
Inventor
徐敏
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展讯通信（上海）有限公司
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Publication of WO2021052057A1 publication Critical patent/WO2021052057A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • FIG. 1 is a schematic diagram of random access provided in an embodiment of the present application, as shown in FIG. 1.
  • This message 4 is used to solve the conflict problem caused when multiple user equipments use the same preamble, and realizes that when the user equipment is in RRC_IDLE or RRC_INACTIVE, the user equipment enters RRC_CONNECTED to perform data transmission with the base station.
  • the base station is usually used to pre-allocate dedicated uplink resources to the user equipment, and the user equipment that uses the uplink resources to send data has an effective timing advance (TA) and does not need to send a preamble.
  • TA timing advance
  • Data can be sent directly, which realizes data transmission between the user equipment and the base station when the user equipment is in RRC_IDLE or RRC_INACTIVE, without the need for random access to the RRC_CONNECTED state.
  • the user equipment receives the downlink response, it completes the uplink data transmission and returns to the non-connected Discontinuous Reception (DRX) state, and subsequent data transmission cannot be realized.
  • DRX Discontinuous Reception
  • the present invention provides a discontinuous reception DRX data transmission method, device and storage medium to realize subsequent data transmission of user equipment in a non-connected state.
  • an embodiment of the present application provides a discontinuous reception DRX data transmission method, including:
  • DRX parameters configured by the base station, where the DRX parameters are the DRX parameters of the user equipment in the disconnected state; according to the DRX parameters, data transmission is performed in the disconnected state to be in the digital DRX state or the non-digital DRX state.
  • the DRX parameters include the first timer, including:
  • the first timer is started.
  • the activation of the first timer is realized.
  • the data transmission DRX state includes the continuous receiving state.
  • the data transmission is performed in the non-connected state to be in the data transmission DRX state or the non-digital transmission DRX state, including:
  • the first timer is restarted when the user equipment sends user data or receives response data or receives downlink data scheduling so as to be in a continuous receiving state, which improves the efficiency of data transmission.
  • the time expires, it will enter the non-digital DRX state, which can achieve effective power saving effects.
  • the discontinuous reception DRX data transmission method provided in the embodiment of the present application further includes:
  • the base station and the user equipment can be quickly synchronized to enter the non-digital DRX state.
  • the discontinuous reception DRX data transmission method includes:
  • the first timer is not restarted; or, if the non-acknowledgement feedback NACK sent by the base station is received within the timing time of the first timer, Then restart the first timer.
  • the first indication message is any one of the following: the information that the buffer status report BSR is 0 or is empty, the link control layer control element MAC CE where the data transmission is completed, and the radio resource control (Radio Resource Control, RRC) message And physical layer indication message.
  • the radio resource control Radio Resource Control, RRC
  • the second indication message is carried in an ACK for feeding back the successful reception of user data; or the second indication message is delivered through the downlink control information DCI.
  • the discontinuous reception DRX data transmission method provided in the embodiment of the present application further includes:
  • the first indication message is sent to the base station and enters the non-digital DRX state; or the second indication message sent by the base station is received and the non-digital DRX state is received. Data transmission DRX status.
  • the first timer by not configuring the first timer or setting the timing time of the first timer to zero, after sending the first indication message to the base station, it can enter the non-digital DRX state, or accept the second transmission sent by the base station. After the indication message, enter the non-digital DRX state, which can improve the efficiency of entering the non-digital DRX state after the user data transmission is completed, thereby saving the power consumption of the user equipment.
  • the DRX parameters include the second timer and/or the third timer, including:
  • the second timer or the third timer is started.
  • the data transmission DRX state includes the continuous receiving state and the short period data transmission DRX state.
  • the data transmission is performed in the non-connected state to be in the data transmission DRX state or the non-digital transmission DRX state, including:
  • the DRX state of the digital transmission includes the continuous receiving state and the short-period data transmission DRX state, and the second timer and the third timer are set to make the user equipment in the continuous receiving state and the short-period data transmission successively.
  • DRX state and non-digital DRX state can not only reduce the delay of data transmission, but also achieve the effect of power saving
  • the third timer is started or restarted when receiving a paging or downlink assignment sent by the base station or sending user data to the base station .
  • the discontinuous reception DRX data transmission method provided in the embodiment of the present application further includes:
  • a third indication message sent by the base station is received, where the third indication message is used to indicate that the user equipment enters a non-digital DRX state, or is used to indicate that the user equipment has no data to receive.
  • each round-trip time timer corresponds to a time interval; if the current time is within the time interval corresponding to all round-trip time timers, stop monitoring the physical control channel .
  • data transmission before data transmission is performed in a disconnected state according to the DRX parameters, it also includes:
  • the first message sent by the base station is received, and the first message carries one or a combination of the following: a DRX parameter in a non-connected state, a data volume threshold, and a DRX mechanism indication in a non-connected state is allowed.
  • the discontinuous reception DRX data transmission method provided in the embodiment of the present application further includes:
  • the non-connected DRX mechanism when the data volume of the data to be transmitted is less than the data volume threshold, the non-connected DRX mechanism is executed, which effectively improves the transmission efficiency of the data to be transmitted.
  • discontinuous reception DRX data transmission method device, equipment, computer-readable storage medium, and computer program product provided by the embodiments of this application.
  • content and effect please refer to the first aspect or the optional discontinuous method provided in the first aspect.
  • the method of receiving DRX data transmission will not be repeated here.
  • an embodiment of the present application provides a discontinuous reception DRX data transmission method, including:
  • the DRX parameters are the DRX parameters when the user equipment is in a disconnected state.
  • the DRX parameters are used to enable the user equipment to perform data transmission in the disconnected state to be in a digital DRX state or a non-digital DRX state.
  • the DRX parameters include the first timer, including:
  • the first indication message sent by the user equipment is used to indicate that the user data has been sent, or the user data has been successfully sent, or instruct the base station to restart the first timer synchronously with the user equipment; or, receive the user equipment sent And send a second instruction message to the user equipment, where the second instruction message is used to instruct the user equipment to restart the first timer or enter the non-digital DRX state.
  • the discontinuous reception DRX data transmission method includes:
  • a response feedback ACK is sent to the user equipment so that the user equipment does not restart the first timer; if the reception of the first indication message fails, a non-response feedback NACK is sent to the user equipment to make the user equipment The device restarts the first timer.
  • the first indication message is any one of the following:
  • Cache status report information that the BSR is 0 or empty, the link control layer control element MAC CE, the radio resource control RRC message and the physical layer indication message of the completed data transmission.
  • the second indication message is carried in an ACK for feeding back the successful reception of user data; or the second indication message is delivered through the downlink control information DCI.
  • the discontinuous reception DRX data transmission method provided in the embodiment of the present application further includes:
  • the third indication message is used to indicate that the user equipment enters a non-digital DRX state, or is used to indicate that the user equipment has no data to receive.
  • the discontinuous reception DRX data transmission method provided in the embodiment of the present application further includes:
  • a first message is sent to the user equipment, the first message carries one or more of the following combinations: DRX parameters in a disconnected state, a data volume threshold, and a DRX mechanism indication in a disconnected state is allowed.
  • an embodiment of the present application provides a discontinuous reception DRX data transmission device, including:
  • the first transmission module is used to receive the DRX parameters configured by the base station.
  • the DRX parameters are the DRX parameters of the user equipment in a disconnected state; the processing module is used to perform data transmission in a disconnected state according to the DRX parameters to be in a digital transmission DRX status or non-digital DRX status.
  • the DRX parameters include the first timer, including:
  • the first start module is used to start the first timer after sending user data to the base station when the user equipment is in the non-digital DRX state.
  • the data transmission DRX status includes the continuous receiving status
  • the processing module is specifically used for:
  • the first timer is restarted to be in a continuous receiving state; if the first timer expires, it enters the non-digital DRX state.
  • the first transmission module of the discontinuous reception DRX data transmission device provided in the embodiment of the present application is further used for:
  • the first startup module is also used to:
  • the first timer is not restarted; or, if the non-acknowledgement feedback NACK sent by the base station is received within the timing time of the first timer, Then restart the first timer.
  • the first indication message is any one of the following: the information that the buffer status report BSR is 0 or is empty, the link control layer control element MAC CE where the data transmission is completed, the radio resource control RRC message, and the physical layer indication message.
  • the second indication message is carried in an ACK for feeding back the successful reception of user data; or the second indication message is delivered through the downlink control information DCI.
  • the first transmission module is also used for:
  • the DRX parameters include the second timer and/or the third timer, including:
  • the second start module is used to start the second timer or the third timer if a paging or downlink allocation sent by the base station is received when the user equipment is in the non-digital DRX state.
  • the data transmission DRX state includes the continuous receiving state and the short-period data transmission DRX state
  • the processing module is specifically used for:
  • the second startup module is also used for the second startup module
  • the third timer is started or restarted when receiving a paging or downlink assignment sent by the base station or sending user data to the base station.
  • a third indication message sent by the base station is received, where the third indication message is used to indicate that the user equipment enters a non-digital DRX state, or is used to indicate that the user equipment has no data to receive.
  • each round-trip time timer corresponds to a time interval; if the current time is within the time interval corresponding to all round-trip time timers, stop monitoring the physical control channel .
  • the first transmission module is also used for:
  • the first message sent by the base station is received, and the first message carries one or a combination of the following: a DRX parameter in a non-connected state, a data volume threshold, and a DRX mechanism indication in a non-connected state is allowed.
  • the discontinuous reception DRX data transmission device provided in the embodiment of the present application further includes:
  • the judging module is used to judge whether the data volume of the data to be transmitted is greater than the data volume threshold; the processing module is also used to execute the DRX mechanism in the disconnected state if the data volume of the data to be transmitted is less than the data volume threshold.
  • the configuration module is used to configure DRX parameters for the user equipment.
  • the DRX parameters are the DRX parameters when the user equipment is in a disconnected state.
  • the DRX parameters are used to enable the user equipment to perform data transmission in the disconnected state to be in the digital DRX state or non-connected state. Data transmission DRX status.
  • the DRX parameters include the first timer, including:
  • the second transmission module is used to receive the first indication message sent by the user equipment, the first indication message is used to indicate that the user data has been sent, or the user data has been successfully sent, or instruct the base station to restart synchronously with the user equipment The first timer; or, the second transmission module, used to receive the first indication message sent by the user equipment, and send a second indication message to the user equipment, the second indication message is used to instruct the user equipment to restart the first timer or Enter the non-digital DRX state.
  • the second transmission module is also used for:
  • a response feedback ACK is sent to the user equipment so that the user equipment does not restart the first timer; if the reception of the first indication message fails, a non-response feedback NACK is sent to the user equipment to make the user equipment The device restarts the first timer.
  • the first indication message is any one of the following:
  • Cache status report information that the BSR is 0 or empty, the link control layer control element MAC CE, the radio resource control RRC message and the physical layer indication message of the completed data transmission.
  • the second indication message is carried in an ACK for feeding back the successful reception of user data; or the second indication message is delivered through the downlink control information DCI.
  • the second transmission module is further configured to send a third indication message to the user equipment, where the third indication message is used to instruct the user equipment to enter a non-digital DRX state, or to indicate that the user equipment has no data to receive.
  • the discontinuous reception DRX data transmission device provided in the embodiment of the present application further includes:
  • an embodiment of the present application provides a user equipment, including:
  • At least one processor and a memory communicatively connected with the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute such as the first Aspect and the discontinuous reception DRX data transmission method provided in the optional manner of the first aspect.
  • an embodiment of the present application provides a base station, including:
  • At least one processor and a memory communicatively connected with the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the second One aspect and an optional method of the second aspect provide a discontinuous reception DRX data transmission method.
  • the embodiments of the present application provide a non-transitory computer-readable storage medium storing computer instructions.
  • the computer instructions are used to make the computer execute the discontinuous reception of DRX data transmission as provided in the first aspect and the optional method of the first aspect method.
  • the embodiments of the present application provide a non-transitory computer-readable storage medium storing computer instructions, the computer instructions are used to make the computer execute the discontinuous reception DRX data transmission as provided in the second aspect and the optional manner in the second aspect method.
  • an embodiment of the present invention provides a computer program product, including: executable instructions, which are used to implement the discontinuous reception DRX data transmission method as in the first aspect or an optional manner in the first aspect.
  • an embodiment of the present invention provides a computer program product, including: executable instructions, which are used to implement the discontinuous reception DRX data transmission method as in the second aspect or an optional manner of the second aspect.
  • the discontinuous reception DRX data transmission method, device and storage medium provided by the present invention receive the DRX parameters configured by the base station.
  • the DRX parameters are the DRX parameters of the user equipment in the non-connected state; according to the DRX parameters, the data is performed in the non-connected state. Transmission, in the digital DRX state or the non-digital DRX state, realizes the subsequent data transmission of the user equipment in the non-connected state, which effectively reduces the time delay.
  • FIG. 1 is a schematic diagram of random access provided by an embodiment of the present application
  • Figure 2 is an exemplary application scenario diagram provided by an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a DRX data transmission method provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a DRX data transmission method provided by another embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a DRX data transmission device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a DRX data transmission device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of user equipment provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a base station provided by an embodiment of the present application.
  • the user equipment When the user equipment is in RRC_IDLE or RRC_INACTIVE, if the base station needs to schedule the user equipment or the user equipment needs to send data to the base station, the user equipment needs to initiate random access to make the user equipment enter RRC_CONNECTED. In the LTE communication system, the access process of contention-based random access is usually adopted, as shown in Fig. 1, which will not be repeated. It is realized that when the user equipment is in RRC_IDLE or RRC_INACTIVE, the user equipment enters RRC_CONNECTED to perform data transmission with the base station. In the prior art, in order to save data transmission time, the base station is usually used to pre-allocate dedicated uplink resources to the user equipment.
  • the technical solution of the present application is applicable to 5G (5Generation) communication systems, 4G, 3G communication systems, and various new communication systems in the future, such as 6G, 7G, etc.
  • the technical solution of the present application is also applicable to different network architectures, including but not limited to a relay network architecture, a dual link architecture, and a vehicle-to-everything (Vehicle-to-Everything) communication architecture.
  • the embodiment of the application does not limit this.
  • the base station in the embodiment of the application may be a communication network that provides communication services for terminals, including the base station of the wireless access network, and may also include the base station controller of the wireless access network, or Contains equipment on the core network side.
  • a base station controller is a device that manages a base station, such as a base station controller (BSC) in a 2G network, a radio network controller (RNC) in a 3G network, and can also refer to A device that controls and manages base stations in a new communication system in the future.
  • BSC base station controller
  • RNC radio network controller
  • the user equipment can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), Handheld devices with wireless communication functions, computing devices, or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, user equipment in the future 5G network, or future evolution of the public land mobile communication network (Public Land Mobile Network, referred to as The user equipment in the PLMN) is not limited in the embodiment of the present application.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the base station 12 in the embodiment of the present application, which may also be referred to as base station equipment, is a device deployed on a radio access network (RAN) to provide wireless communication functions.
  • the equipment that provides the base station function in the 2G network includes a base transceiver station (English: base transceiver station, referred to as BTS), the equipment that provides the base station function in the 3G network includes the NodeB (NodeB), and the equipment that provides the base station function in the 4G network Including evolved NodeB (eNB), in wireless local area networks (WLAN), the equipment that provides base station functions is access point (AP), 5G New Radio (New Radio) , Referred to as NR) in the gNB that provides base station functions, and the evolving Node B (ng-eNB), where the gNB and the terminal use NR technology for communication, and the ng-eNB and the terminal use E-UTRA (Evolved Universal Terrestrial Radio Access) technology for communication, both gNB and ng-e
  • Fig. 3 is a schematic flow chart of a DRX data transmission method provided by an embodiment of the present application.
  • the method can be executed by a DRX data transmission device.
  • the device can be implemented by software and/or hardware.
  • the device can be implemented by a terminal and a base station. Or all, the following describes the DRX data transmission method with the user equipment and the base station as the executive body.
  • the DRX data transmission method provided in the embodiment of the present application may include:
  • Step S101 The base station configures DRX parameters for the user equipment, where the DRX parameters are DRX parameters when the user equipment is in a disconnected state.
  • Packet-based data streams are usually bursty, with data transmission for a period of time, but no data transmission for a long period of time in the following period.
  • PDCCH Physical Downlink Control Channel
  • FIG. 4 is a schematic structural diagram of the DRX mechanism provided in an embodiment of the present application.
  • the DRX cycle is composed of an activation period (On Duration) and a dormant period (Opportunity for DRX).
  • On Duration activation period
  • Opportunity for DRX dormant period
  • time is divided into successive DRX Cycles.
  • the existing non-connected DRX mechanism is mainly DRX for paging discontinuous reception of paging, and there is only one DRX cycle.
  • This DRX cycle can be: 1.28 seconds, 2.56 seconds, 5.12 seconds or 10.24 seconds, which is longer.
  • the base station configures the DRX parameters for the user equipment, and the embodiment of the present application does not limit the specific implementation manners for the base station to configure the DRX parameters for the user equipment, which can be specifically set according to the actual situation of the user.
  • the DRX parameter is the DRX parameter when the user equipment is in a disconnected state.
  • the embodiment of the present application does not limit the specific parameters included in the DRX parameter.
  • the DRX parameter may include one or more of the following parameters: DRX cycle in the digital transmission DRX state Length, the length of the DRX cycle in the non-digital DRX state, at least one timer, the conditions for entering the digital DRX state, and the conditions for entering the non-digital DRX state.
  • Step S102 The user equipment receives the DRX parameter configured by the base station.
  • the user equipment receives the DRX parameters configured by the base station and configures the user equipment.
  • the embodiment of the present application does not limit the data transmission mode in this step.
  • Step S103 The user equipment performs data transmission in a non-connected state according to the DRX parameters, so as to be in a digital DRX state or a non-digital DRX state.
  • the user equipment may also perform data transmission in a discontinuous state according to the DRX parameters, so as to be in a digital DRX state or a non-digital DRX state.
  • the data transmission DRX state can include the continuous receiving state and the short period data transmission DRX state.
  • the continuous reception state the user equipment continuously receives data; the short period data transmission DRX state is the discontinuous reception of data.
  • the data transmission DRX state may also be referred to as the data transmission short DRX state, or the short DRX state, or the short DRX state in the unconnected state, or the short DRX cycle in the unconnected state.
  • the non-digital DRX state you can refer to the DRX mechanism in 4.
  • the user equipment monitors and receives the PDCCH, and does not receive the PDCCH during the dormant period.
  • the non-digital DRX state it can be in Discontinuous Reception (DRX) for paging.
  • the state (the discontinuous reception state of paging) is the existing DRX mechanism used in the non-connected state.
  • the DRX cycle used can be greater than the DRX cycle used in the digital DRX state, and it can also be called the non-digital long DRX state. Either the long DRX state in the unconnected state, or the long DRX cycle in the unconnected state.
  • the base station sends a first message to the user equipment.
  • the first message carries one or a combination of the following: DRX parameters in a disconnected state, a data volume threshold, a DRX mechanism indication in a disconnected state is allowed, and the user equipment receives the first message sent by the base station.
  • a message carries one or a combination of the following: DRX parameters in a disconnected state, a data volume threshold, a DRX mechanism indication in a disconnected state is allowed, and the user equipment receives the first message sent by the base station.
  • the DRX parameters in the unconnected state can include one or more of the following combinations: the length of the DRX cycle in the DRX state of the digital transmission, the length of the DRX cycle in the non-digital DRX state, at least one timer, the conditions for entering the DRX state of the digital transmission, and access
  • the conditions of the non-digital DRX state and other parameters are not limited in the embodiment of the present application.
  • the data volume threshold can be set according to user requirements. The embodiment of this application does not limit the specific value of the data volume threshold; the embodiment of this application does not limit the specific indication mode that allows the DRX mechanism indication in the non-connected state.
  • the DRX data transmission method provided in the embodiment of the present application after receiving the first message sent by the base station, may further include:
  • the embodiment of the present application does not limit the specific value of the data amount threshold, nor does it limit the implementation manner of judging whether the data amount of the first data is greater than the data amount threshold.
  • the user equipment executes the non-connected DRX mechanism to perform data transmission in the non-connected state, which improves the flexibility of DRX data transmission.
  • the DRX data transmission method provided in the embodiment of the present application after receiving the first message sent by the base station, may further include:
  • the DRX mechanism in the non-connected state is allowed to indicate whether it is carried or instructed to be allowed to proceed. If the DRX mechanism in the non-connected state is carried or indicated to be allowed, the DRX mechanism in the non-connected state is executed.
  • the optional specific implementations of the two data transmission scenarios, mobile Original (MO) and mobile Terminated (MT) received by the user equipment are respectively introduced.
  • FIG. 5 is a schematic flowchart of a DRX data transmission method provided by another embodiment of the present application.
  • the method can be executed by a DRX data transmission device, and the device can use
  • the device can be implemented in software and/or hardware.
  • the device can be implemented by part or all of the terminal and the base station.
  • the following describes the DRX data transmission method with the user equipment and the base station as the executive body.
  • the embodiment of the application provides Step S103 in the DRX data transmission method may include:
  • Step S201 When the user equipment sends user data or receives response data or receives downlink data scheduling, the user equipment restarts the first timer to be in a continuous receiving state.
  • the DRX data transmission method provided in the embodiment of the present application may further include: when the user equipment is in a non-digital DRX state, starting the first timer after sending user data to the base station.
  • the configuration information can include the uplink resources when the user equipment sends user data to the base station, or can be pre- The configuration method, such as obtaining uplink resources for sending user data through an RRC release message, or obtaining uplink resources through base station scheduling.
  • the user equipment in the RRC_INACTIVE state does not need to notify the base station when moving within a certain radio access point (Radio Access Node, RAN), the user equipment retains certain configurations. For example, the user equipment may retain the Packet Data Convergence Protocol (Packet Data Convergence).
  • Packet Data Convergence Packet Data Convergence Protocol
  • PDCP PDCP
  • SDAP Service Data Adaptation Protocol
  • Pcell serving cell
  • MCG Master Cell Group
  • SCG secondary cell group
  • the base station may send a response or downlink scheduling to the user equipment.
  • the embodiment of this application does not limit the specific data content of user data, response data, and downlink scheduling.
  • the response data may be It will include response feedback or non-acknowledgment feedback.
  • the downlink scheduling of the user equipment may include downlink scheduling messages, or called downlink allocation. After receiving the downlink scheduling, the user equipment can continue to send the user to the base station through the downlink scheduling information. data.
  • Step S202 If the first timer expires, enter the non-digital DRX state.
  • the DRX parameters include the first timer.
  • the user equipment restarts the first timer every time it sends user data or receives response data or receives downlink data scheduling.
  • the implementation of the first timer in this embodiment of the application And the length of the timing time corresponding to the first timer is not limited.
  • the user equipment When the user equipment sends user data or receives response data or receives downlink data scheduling, the user equipment is in at least one process.
  • the user equipment in order to reduce the power consumption of the user equipment, the user equipment sends user data every time. Or every time the first response data is received, the DRX data transmission method provided in the embodiment of the present application may further include:
  • each round-trip time timer corresponds to a time interval; if the current time is within the time interval corresponding to all round-trip time timers, stop monitoring the physical control channel .
  • the corresponding round-trip time timer of each process is started. Within the time interval corresponding to the round-trip time timer, the process No data transmission will occur. If all the open round-trip time timers are within their respective corresponding time intervals at the current time, the user equipment can stop monitoring the physical control channel to save the power consumption of the user equipment.
  • the time interval corresponding to each round-trip time timer may be the same or different, which is not limited in the embodiment of the present application.
  • the user equipment does not send user data or does not receive the downlink schedule sent by the base station within the timing time of the first timer, it means that there is no data transmission between the user equipment and the base station within the timing time of the first timer. At the time, it can enter the non-digital DRX state to achieve the effect of power saving.
  • the device by starting or restarting the first timer each time the user equipment uploads data to the base station or each time the user equipment receives response data sent by the base station, and within the time period of the first timer, the user If the device does not send user data or receive downlink scheduling, it enters the non-digital DRX state, which can achieve effective power saving effects.
  • the discontinuous reception DRX data transmission method provided in the application embodiment may further include after step S202:
  • the user equipment When the user equipment sends the last user data in the at least one user data to the base station, it may send the first indication message to the base station; or, after sending the last user data in the at least one user data to the base station, the user equipment may send the last user data to the base station.
  • Send the first indication message The embodiment of this application does not limit the specific form of the first indication message.
  • the first indication message may be a link control layer control element (Medium Access Control Control Elements, MAC CE) for which data transmission is completed, or it may be a cache state.
  • the report (Buffer Status Report, BSR) is 0 or empty information, or radio resource control (Radio Resource Control, RRC) message or physical layer indication message, etc.
  • the first indication message is used to instruct the base station to enter the non-digital DRX state synchronously with the user equipment, and the base station receives the first indication message sent by the user equipment.
  • the user equipment sends a first indication message to the base station and receives a second indication message sent by the base station.
  • the second indication message is used to instruct the user equipment to restart the first timer or enter the non-digital transmission. DRX status.
  • the user equipment After the user equipment sends the first indication message to the base station, if it receives the second indication message sent by the base station, it restarts the first timer or directly enters the non-digital DRX state. If the second indication message sent by the base station is not received, Then the first timer is not restarted, and when the first timer expires, the non-digital DRX state is entered.
  • the embodiment of this application does not limit the form of the second indication message.
  • the second indication message is carried in an ACK for feeding back the successful reception of user data or the second indication message passes the downlink control information DCI. Issued.
  • the user equipment directly receives the second indication message sent by the base station, and the second indication message is used to instruct the user equipment to restart the first timer or enter the non-digital DRX state.
  • the base station may receive the first indication message successfully, or may fail to receive the first indication message. For example, if the first indication message is successfully received, the base station sends response feedback to the user equipment. ACK. At this time, the user equipment may receive the response feedback ACK sent by the base station within the timing time of the first timer, and the user equipment and the base station enter the non-digital DRX state at the time when the timing of the first timer ends.
  • the base station and the user equipment are instructed to enter the non-digital DRX state synchronously, and can be in the first timing
  • the device After receiving the response ACK sent by the base station within the timing period of the timer, the device quickly enters the non-digital DRX state at the end of the timing of the first timer, saving energy resources.
  • the base station if the base station fails to receive the first indication message, the base station sends a non-acknowledgement feedback NACK to the user equipment.
  • the base station may also send a retransmission scheduling message to the user equipment, and the retransmission scheduling The message is used to instruct the user equipment to resend the first instruction message to the base station.
  • the user equipment receives the non-acknowledgement feedback NACK sent by the base station within the timing period of the first timer and restarts the first timer, or the user equipment receives the retransmission scheduling message sent by the base station according to the retransmission scheduling The message resends the first indication message to the base station and restarts the first timer.
  • the DRX data transmission method provided in the embodiment of the present application is provided in the case that the first timer is not configured or the timing time of the first timer is configured to be zero. After step S103, it may include:
  • the first indication message is sent to the base station and enters the non-digital DRX state; or the second indication message sent by the base station is received and the non-digital DRX state is received. Data transmission DRX status.
  • the base station after the user equipment finishes sending user data to the base station, it sends a first indication message to the base station and directly enters the non-digital DRX state, or after the base station is scheduled for downlink data transmission, the base station indicates through the second indication message If the user equipment has no subsequent data, the user equipment directly enters the non-digital DRX state.
  • the foregoing embodiment describes the DRX data transmission situation in the MO data transmission scenario, and the following describes the DRX data transmission situation in the MT data transmission scenario.
  • FIG. 6 is a schematic flowchart of a DRX data transmission method provided by another embodiment of the present application.
  • the method can be executed by a DRX data transmission device, which can be implemented by software and/or hardware. In this way, the device can be implemented through part or all of the terminal and the base station.
  • the DRX parameters include the second timer and/or the second timer. With three timers, the data transmission DRX state includes the continuous receiving state and the short-period data transmission DRX state.
  • the step S103 in the DRX data transmission method provided in the embodiment of the present application may include:
  • Step S301 The user equipment receives the paging or downlink assignment sent by the base station or sends user data to the base station, and restarts the second timer to be in a continuous receiving state.
  • the base station when the base station sends paging or downlink allocation to the user equipment or sends user data to the base station, at this time, the user equipment is in the continuous receiving state in the data transmission DRX state. And every time a paging or downlink assignment sent by the base station is received or every time user data is sent to the base station, the second timer is restarted.
  • Step S302 If the second timer expires, enter the short-period digital transmission DRX state, and start the third timer, if the third timer expires, enter the non-digital transmission DRX state.
  • the user equipment does not receive or answer the paging or downlink allocation or does not send user data to the base station within the timing time of the second timer, it means that the user equipment and the base station are not connected within the timing time of the second timer. There is data transmission. At this time, you can enter the short-cycle data transmission DRX state to achieve the effect of power saving.
  • the third timer is started. If the user equipment does not receive paging or downlink allocation or does not send user data to the base station within the timing of the third timer, it enters the long Periodic DRX status.
  • the sleep period of the short-period data transmission DRX state is shorter than the long-period DRX state.
  • the data transmission delay can be reduced, and then the timing of the third timer Inside, the user equipment does not receive a paging message or a downlink scheduling message or does not send user data to the base station, and enters the long-period DRX state, which can effectively save power.
  • the base station may also send a third indication message to the user equipment.
  • the user equipment receives the third indication message and enters the non-digital DRX state.
  • the base station may notify the UE whether it enters the non-digital DRX state or the long-period DRX state through the opportunity of Hybrid Auto Repeat Request (HARQ) feedback. For example: after the uplink data transmission is completed, the base station feeds back an ACK and informs the UE that it can enter the long-period DRX state (or non-data transmission state DRX cycle, DRX for paging); or after the downlink data transmission is scheduled, the base station indicates that the UE has no subsequent data, and can directly enter the long Periodic DRX (or non-digital DRX status), this indication can be carried in the (DL assignment) downlink assignment.
  • HARQ Hybrid Auto Repeat Request
  • the second timer or the third timer is started.
  • the timing time of the second timer or the third timer can be any value greater than or equal to zero.
  • start or restart when receiving a paging or downlink assignment sent by the base station or sending user data to the base station. Start the third timer.
  • discontinuous reception DRX data transmission method device, equipment, computer-readable storage medium, and computer program product provided by the embodiments of the present application.
  • the discontinuous reception DRX data transmission method provided in the above embodiments. I won't repeat it here.
  • Fig. 7 is a schematic structural diagram of a DRX data transmission device provided by an embodiment of the present application.
  • the device can be implemented by software and/or hardware.
  • the device can be implemented by part or all of a terminal and a base station.
  • the The DRX data transmission device provided in the application embodiment may include:
  • the first transmission module 71 is configured to receive DRX parameters configured by the base station, where the DRX parameters are DRX parameters when the user equipment is in a disconnected state.
  • the processing module 72 is configured to perform data transmission in a non-connected state according to the DRX parameters, so as to be in a digital DRX state or a non-digital DRX state.
  • the DRX parameter includes a first timer
  • the DRX output transmission apparatus provided in the embodiment of the present application may further include:
  • the first starting module 73 is configured to start the first timer after sending user data to the base station when the user equipment is in the non-digital DRX state.
  • the first timer is restarted to be in a continuous receiving state; if the first timer expires, it enters the non-digital DRX state.
  • the first startup module 73 is also used to:
  • the first timer is not restarted; or, if the non-acknowledgement feedback NACK sent by the base station is received within the timing time of the first timer, Then restart the first timer.
  • the first indication message is any one of the following: the information that the buffer status report BSR is 0 or is empty, the link control layer control element MAC CE where the data transmission is completed, the radio resource control RRC message, and the physical layer indication message.
  • the second indication message is carried in an ACK for feeding back the successful reception of user data; or the second indication message is delivered through the downlink control information DCI.
  • the first transmission module 71 is also used for:
  • the first indication message is sent to the base station and enters the non-digital DRX state; or the second indication message sent by the base station is received and the non-digital DRX state is received. Data transmission DRX status.
  • the second start module 74 is configured to start the second timer or the third timer if a paging or downlink allocation sent by the base station is received when the user equipment is in the non-digital DRX state.
  • the data transmission DRX state includes a continuous receiving state and a short period data transmission DRX state
  • the processing module 72 is specifically used for:
  • the second startup module 74 is also used for
  • the third timer is started or restarted when receiving a paging or downlink assignment sent by the base station or sending user data to the base station.
  • the first transmission module 71 of the discontinuous reception DRX data transmission apparatus is further configured to receive a third indication message sent by the base station, and the third indication message is used to instruct the user equipment to enter non-digital DRX transmission. Status, or used to indicate that the user device has no data to receive.
  • the discontinuous reception DRX data transmission device provided in the embodiment of the present application further includes a third activation module 75, configured to:
  • each round-trip time timer corresponds to a time interval; if the current time is within the time interval corresponding to all round-trip time timers, stop monitoring the physical control channel .
  • the first transmission module 71 is also used for:
  • the first message sent by the base station is received, and the first message carries one or a combination of the following: a DRX parameter in a non-connected state, a data volume threshold, and a DRX mechanism indication in a non-connected state is allowed.
  • the discontinuous reception DRX data transmission device provided in the embodiment of the present application further includes:
  • the judging module 76 is used for judging whether the data volume of the data to be transmitted is greater than the data volume threshold; the processing module 72 is also used for executing the DRX mechanism in the disconnected state if the data volume of the data to be transmitted is less than the data volume threshold.
  • FIG. 8 is a schematic structural diagram of a DRX data transmission device provided by an embodiment of the present application.
  • the device can be implemented by software and/or hardware.
  • the device can be implemented by part or all of the terminal and the base station.
  • the DRX data transmission device provided in the application embodiment may include:
  • the configuration module 81 is used to configure DRX parameters for the user equipment.
  • the DRX parameters are the DRX parameters when the user equipment is in a non-connected state.
  • the DRX parameters are used to enable the user equipment to perform data transmission in the non-connected state to be in the digital DRX state or Non-digital DRX status.
  • the DRX parameter includes a first timer
  • the DRX data transmission apparatus provided in the embodiment of the present application may further include a second transmission module 82
  • the second transmission module 82 is configured to receive a first indication message sent by the user equipment, the first indication message is used to indicate that the user data has been sent, or the user data has been successfully sent, or instruct the base station to restart the first timer in synchronization with the user equipment Or, receiving a first indication message sent by the user equipment, and sending a second indication message to the user equipment, the second indication message is used to instruct the user equipment to restart the first timer or enter the non-digital DRX state.
  • the first indication message is any one of the following:
  • Cache status report information that the BSR is 0 or empty, the link control layer control element MAC CE, the radio resource control RRC message and the physical layer indication message of the completed data transmission.
  • the second indication message is carried in an ACK for feeding back the successful reception of user data; or the second indication message is delivered through the downlink control information DCI.
  • the second transmission module 82 is further configured to send a third indication message to the user equipment, where the third indication message is used to indicate that the user equipment enters a non-digital DRX state, or is used to indicate that the user equipment has no data to receive.
  • the discontinuous reception DRX data transmission device provided in the embodiment of the present application further includes:
  • the third transmission module 83 is configured to send a first message to the user equipment, and the first message carries one or a combination of the following: a DRX parameter in a non-connected state, a data volume threshold, and a DRX mechanism indication in a non-connected state is allowed.
  • the device embodiments provided in the present application are only illustrative, and the module division in FIG. 8 is only a logical function division, and there may be other division methods in actual implementation.
  • multiple modules can be combined or integrated into another system.
  • the mutual coupling between the various modules can be realized through some interfaces. These interfaces are usually electrical communication interfaces, but it is not ruled out that they may be mechanical interfaces or other forms of interfaces. Therefore, the modules described as separate components may or may not be physically separated, and may be located in one place or distributed to different locations on the same or different devices.
  • FIG. 9 is a schematic structural diagram of a user equipment provided in an embodiment of the present application. As shown in FIG. 9, the user equipment includes:
  • the processor 91 the memory 92, the transceiver 93, and a computer program; wherein the transceiver 93 implements data transmission with other devices.
  • the computer program is stored in the memory 92 and is configured to be executed by the processor 91.
  • the computer program Including instructions for executing the above DRX data transmission method, please refer to the method embodiment for its content and effect.
  • FIG. 10 is a schematic structural diagram of a base station provided in an embodiment of the present application. As shown in FIG. 10, the base station includes:
  • the processor 94 the memory 95, the transceiver 96, and a computer program; wherein the transceiver 96 implements data transmission with other devices.
  • the computer program is stored in the memory 95 and is configured to be executed by the processor 94.
  • the computer program Including instructions for executing the above DRX data transmission method, please refer to the method embodiment for its content and effect.
  • the embodiments of the present application also provide a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions.
  • the user equipment executes the aforementioned various possibilities. Methods.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.
  • An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and can write information to the storage medium.
  • the storage medium may also be an integral part of the processor.
  • the processor and the storage medium may be located in the ASIC.
  • the ASIC may be located in the user equipment.
  • the processor and the storage medium may also exist as discrete components in the communication device.
  • a person of ordinary skill in the art can understand that all or part of the steps in the foregoing method embodiments can be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a computer readable storage medium. When the program is executed, it executes the steps including the foregoing method embodiments; and the foregoing storage medium includes: ROM, RAM, magnetic disk, or optical disk and other media that can store program codes.

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

Abstract

La présente invention concerne un procédé et un dispositif de transmission de données en réception discontinue (DRX), et un support de stockage. En recevant des paramètres de DRX configurés par une station de base, les paramètres de DRX étant des paramètres de DRX d'un équipement d'utilisateur dans un état déconnecté, et en effectuant une transmission de données dans l'état déconnecté selon les paramètres de DRX pour être dans un état de transmission de données en DRX ou un état de transmission de données hors DRX, une transmission de données subséquente de l'équipement d'utilisateur dans l'état déconnecté est réalisée, ce qui réduit efficacement le retard temporel.
PCT/CN2020/108176 2019-09-20 2020-08-10 Procédé et dispositif de transmission de données en réception discontinue (drx), et support de stockage WO2021052057A1 (fr)

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CN113038635B (zh) * 2019-12-24 2023-04-25 维沃移动通信有限公司 Scell休眠指示处理方法、终端及网络设备
EP3944720A4 (fr) * 2019-12-27 2022-05-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé de commande de réception discontinue, et dispositif et support de stockage
WO2021146962A1 (fr) * 2020-01-21 2021-07-29 Oppo广东移动通信有限公司 Procédé de traitement de paramètre de réception discontinue, support de stockage et traitement
CN113225809B (zh) * 2020-01-21 2023-08-01 大唐移动通信设备有限公司 一种上行数据的接收、发送方法、网络设备及终端
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CN112153603A (zh) * 2020-09-29 2020-12-29 腾讯科技（深圳）有限公司 车辆通信方法、装置、计算机可读介质及电子设备
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