WO2020252659A1 - 一种数据发送方法、网络设备、终端设备 - Google Patents

一种数据发送方法、网络设备、终端设备 Download PDF

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Publication number
WO2020252659A1
WO2020252659A1 PCT/CN2019/091720 CN2019091720W WO2020252659A1 WO 2020252659 A1 WO2020252659 A1 WO 2020252659A1 CN 2019091720 W CN2019091720 W CN 2019091720W WO 2020252659 A1 WO2020252659 A1 WO 2020252659A1
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WO
WIPO (PCT)
Prior art keywords
network device
information
called data
terminal
early
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/091720
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English (en)
French (fr)
Chinese (zh)
Inventor
刘建华
王淑坤
杨皓睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2019/091720 priority Critical patent/WO2020252659A1/zh
Priority to CN202110576458.1A priority patent/CN113329396B/zh
Priority to JP2021574937A priority patent/JP2022537302A/ja
Priority to KR1020217041213A priority patent/KR20220024065A/ko
Priority to EP19933993.8A priority patent/EP3879874B1/en
Priority to PCT/CN2019/109683 priority patent/WO2020252981A1/zh
Priority to CN201980062507.0A priority patent/CN112740743A/zh
Publication of WO2020252659A1 publication Critical patent/WO2020252659A1/zh
Priority to US17/337,222 priority patent/US11540252B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • 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
    • 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
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of information processing technology, and in particular to a data transmission method, network equipment, chip, computer readable storage medium, computer program product and computer program.
  • the network side sends downlink data to the terminal, such as when sending called data.
  • the terminal is in an idle state and needs to send the called data
  • the data arrives at the core network, and the core network will paging the terminal.
  • the terminal transfers to the connected state, and then sends the called data to the terminal.
  • embodiments of the present invention provide a data sending method, network equipment, chip, computer readable storage medium, computer program product, and computer program.
  • a data sending method which is applied to a first network device, and the method includes:
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • a data sending method is provided, which is applied to a second network device, including:
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • a data sending method which is applied to a third network device, and the method includes:
  • a first network device including:
  • the first communication unit sends the first information to the second network device
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • a second network device including:
  • the second communication unit receives the first information sent by the first network device
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • a third network device including:
  • the third communication unit sends first indication information to the first network device whether the called data and/or whether the called data is sent early; wherein the first indication information is used to assist the first network device in determining whether to send to the second network
  • the device sends the first message.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the methods in the first to third aspects or their implementations.
  • a chip is provided for implementing the methods in the foregoing implementation manners.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first aspect to the third aspect or each of its implementation modes method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first to third aspects or the method in each implementation manner thereof.
  • a computer program product including computer program instructions that cause a computer to execute any one of the above-mentioned first to third aspects or the method in each implementation manner thereof.
  • a computer program which, when run on a computer, causes the computer to execute any one of the above-mentioned first to third aspects or the method in each implementation manner thereof.
  • the network device can determine the early transmission of the called data for the terminal, and realize the mechanism for the network device to perform the early transmission of the called data, thereby improving the efficiency of data transmission and reducing system signaling Expenses to improve system efficiency.
  • FIG. 1 is a schematic diagram 1 of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a first schematic flowchart of a data sending method according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram 2 of a flow chart of a data sending method provided by an embodiment of the present invention.
  • Figure 4 is a schematic diagram of a paging processing flow
  • FIG. 5 is a third schematic flowchart of a data sending method according to an embodiment of the present invention.
  • FIG. 6 is a first schematic diagram of a process provided by an embodiment of the present invention.
  • FIG. 7 is a second schematic diagram of a process provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the composition structure of a first network device according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of the composition structure of a second network device according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of the composition structure of a third network device provided by an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of the composition structure of a network device provided by an embodiment of the present invention.
  • FIG. 12 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram 2 of a communication system architecture provided by an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application may be as shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a UE 120 (or called a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with UEs located in the coverage area.
  • the network equipment 110 may be a network equipment (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a network equipment (NodeB, NB) in a WCDMA system, or an evolution in an LTE system Type network equipment (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment may be a mobile switching center, a relay station, an access point, In-vehicle devices, wearable devices, hubs, switches, bridges, routers, network side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB network equipment
  • LTE system Type network equipment Evolutional Node B, eNB or eNodeB
  • CRAN Cloud Radio Access Network
  • the network equipment may be a mobile switching center, a relay station, an access point, In-vehicle devices, wearable
  • the communication system 100 also includes at least one UE 120 located within the coverage area of the network device 110.
  • UE as used herein includes but is not limited to connection via wired lines, such as via public switched telephone networks (PSTN), digital subscriber lines (Digital Subscriber Line, DSL), digital cables, and direct cable connections; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another UE's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a UE set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a "mobile terminal”.
  • direct terminal connection (Device to Device, D2D) communication may be performed between UEs 120.
  • the embodiment of the present invention provides a data sending method, which is applied to a first network device, as shown in FIG. 2, including:
  • Step 21 Send the first information to the second network device
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • a data method on the second network device side includes:
  • Step 31 Receive the first information sent by the first network device
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • the first network device may be a core network device, and the second network device may be an access network device.
  • the first network device may be an AMF or MME;
  • the second network device may be a radio access network (RAN, Radio Access Network), such as a base station.
  • RAN Radio Access Network
  • other physical devices may also exist as the first network device or the second network device, but the list is not exhaustive here.
  • the early transmission of called data in this embodiment can be a way for the terminal to send downlink data during the establishment of an RRC connection.
  • Access network equipment such as a base station, can send downlink data in step 2 or step 4 shown in Figure 4 Data, or called data.
  • the first information includes at least one of the following:
  • the first network device indicates whether the called data of the second network device can be sent early;
  • the capability information of the terminal includes: whether to support early sending of called data, and wireless capability information of the terminal.
  • the second network device can determine whether the early sending of called data can be performed based on whether the indication information for early sending is applicable in the first information
  • the terminal can determine whether the terminal can support early transmission of called data indirectly based on the capability information of the terminal. If the terminal supports it, the second network device can determine that it can perform early transmission of called data; otherwise, it cannot perform early transmission of called data. send;
  • the second network device may combine the indication information whether the early transmission is applicable to determine whether it can be executed.
  • the called data is sent early; in addition, the capability information of the terminal is also used to determine whether the terminal has the ability to support the early sending of the called data. If it is supported, the early sending of the called data can be confirmed; otherwise, it is not executed. In other words, in this case, two conditions need to be met to confirm.
  • a specific method for acquiring the capabilities of the terminal may include:
  • the first method receives the second message sent by the terminal, and determines whether the terminal supports the ability to send called data early based on the second message.
  • the second message may be a non-access stratum (NAS, Non -Access Stratum) message; that is, the terminal sends a NAS message to the first network device, that is, the core network to indicate whether it supports early transmission of called data.
  • NAS non-access stratum
  • the first network device receiving the second message may be: obtaining the second message through the registration request message, or obtaining the second message through the attach request message; that is, the second message is carried in the registration request message or carried in the attach request message. Request message.
  • the second way is to obtain from the stored wireless capability set of the terminal whether the terminal supports the capability of early transmission of called data.
  • the terminal may add its capability to the wireless capability set in advance, and then store it in the first network device.
  • the set of wireless capabilities When the first network device sends the first information, it can search for the capability information corresponding to the terminal from the wireless capability set corresponding to the terminal saved by itself, and then carry it in the first information and send it to the second network device.
  • the sending the first information to the second network device may include: carrying the first information in the paging request message sent to the second network device; that is, the first information is carried in the paging request message. Request message.
  • the second network device obtains the first information through a paging request message.
  • the first network device may also send the called data to the second network device.
  • the called data may be carried in the first information and sent to the second network device, or may not be carried in the first information.
  • the called data can be carried by the paging message.
  • the first network device determines the method for generating the first information, which may be instructed by the third network device, which may specifically be:
  • the first indication information is used to assist the first network device in determining whether to send the first information to the second network device.
  • the third network device may be SMF or S-GW.
  • processing procedure of the third network device may be as shown in FIG. 5, including:
  • Step 41 Send the called data and/or the first indication information of whether the called data is sent early to the first network device;
  • the first indication information is used to assist the first network device in determining whether to send the first information to the second network device.
  • the manner in which the third network device obtains the first indication information of whether the called data and/or whether the called data is sent early may be: receiving the called data sent by the fourth network device and/or whether the called data is sent early.
  • One instruction information may be: receiving the called data sent by the fourth network device and/or whether the called data is sent early.
  • the method further includes: judging whether to perform early sending of called data based on a local policy or an acquired policy.
  • the third network device can obtain the called data sent by the fourth network device.
  • the called data can be directly sent to the first network device, or the third network device can also determine whether the called data Whether to send it early, and then send the called data to the first network device and the first indication information that the called data is sent early; when the third network device directly sends the called data to the first network device, the first network device can Determine whether to send the called data early according to preset rules or configurations; among them, the preset rules or configurations can be understood to be determined according to the capabilities of the terminal and whether it supports it, for example, the capability of the terminal supports At this time, the first network device can determine to send the called data early.
  • the third network device receives the first indication information sent by the fourth network device whether the called data was sent early; then the third network device may directly send the first indication information to the first network device.
  • the third network device receives the called data sent by the fourth network device and the first indication information sent by the called data early; then the third network device directly sends the called data and the first data to the first network device. Instructions.
  • the third network device can also be configured with the fourth network device, for example, the fourth network device can be configured to indicate the early sending of called data; the instruction can be used by the third network device to control whether the fourth network device is capable of sending the called data early The ability or function of the instructions sent.
  • the third network device may determine whether to configure the fourth network device to perform an indication of early sending of the called data according to the size of the called data.
  • the method further includes:
  • the fourth network device When the size of the called data does not exceed the preset threshold, it is determined to configure the fourth network device to perform an indication of early sending of the called data.
  • the fourth network device can be configured to perform an indication of early sending of the called data.
  • the third network device may be SMF
  • the fourth network device namely UPF
  • UPF sends called data to SMF and/or the first indication information whether it is sent early
  • SMF sends the received data to AMF Call data and/or the first indication of whether to send early.
  • UPF is configured by SMF to send downlink data early; SMF can determine whether this session is to perform early transmission of called data according to local policies or policies obtained from PCF. If early transmission is performed, the data is sent Send to AMF.
  • the PDN-GW sends the called data to the S-GW and/or whether the first network device is sent early Indication information:
  • the S-GW sends the called data and/or the first indication information whether to send it early to the MME.
  • the PDN-GW is configured to send downlink data early.
  • the PDN judges whether to initiate early data transmission according to the PDN connection described in the downlink data.
  • the S-GW can judge according to the local policy or the policy obtained from the PCF Whether this PDN connection performs early transmission of called data. If early transmission is performed, the data is sent to the MME.
  • the first network device determines whether to send the called data early, which may be based on the following processing:
  • the terminal supports the capability information of the called data early transmission
  • the method further includes:
  • the third network device receives the second indication information sent by the first network device, where the second indication information is used to indicate whether the PDU session or the PDN connection uses the called data for early transmission.
  • the third network device judges whether to send the called data to the first network device according to the PDU session or PDN connection information of the called data.
  • the first network device (AMF or MME) according to the terminal’s ability to support early transmission of called data and/or local configuration information and/or network
  • the configured policy information and/or the service data information provided by the external network determine whether one of the PDU session, PDN connection, and EPS bearer should be sent early by called data, and instruct the third network device (SMF/S-GW entity) ).
  • the third network device determines whether to send the data to the first network device (AMF or MME) according to the information in one of the PDU session, PDN connection, and EPS bearer described in the data. ).
  • the information of one of the PDU session, PDN connection, and EPS bearer can be the identity of the PDU session, the identity of the PDN connection, and the identity of the EPS bearer; or it can also be other information as long as it can uniquely identify the PDU corresponding to the downlink data Session, PDN connection or EPS bearer is sufficient.
  • the third network device may determine whether to perform early transmission of called data, and then the third network device instructs the first network device, which may include:
  • the third network device determines, according to at least one of the following information, whether one of the PDU session, PDN connection, and EPS bearer uses the called data for early transmission:
  • the terminal supports the capability information of the called data early transmission
  • the first network device may also: receive third indication information sent by the third network device, where the third indication information is used to indicate whether the called data in one of the PDU session, PDN connection, and EPS bearer is to be sent early. .
  • the third network device can decide whether to establish one of the PDU session, PDN connection, and EPS bearer.
  • the third network device (SMF/S-GW entity) supports the called data early according to the terminal.
  • the ability to send, and/or local configuration information, and/or network configuration policy information, and/or service data information provided by an external network determine whether this PDU session or PDN connection should be used to send called data early.
  • the third network device (SMF/S-GW entity) determines whether to send the data to the first network device (AMF or MME) according to the information in one of the PDU session, PDN connection, and EPS bearer of the data. ;
  • the information sent by the third network device to the first network device also needs to carry first indication information to instruct the first network device to send the called data early.
  • the first network device may also indicate whether the terminal responds to paging, and specific processing methods may include the following:
  • the first network device sends fourth indication information; wherein the fourth indication information is used to instruct the terminal to determine at least one of the following: whether to respond to paging, whether to release the terminal quickly, and whether to single downlink data.
  • the fourth indication information may be paging indication information. That is to say, the first network device adds to the paging instruction information indicating whether the terminal is required to respond to paging; or, the first network device may indicate in the paging instruction information whether the terminal is released quickly or whether the current called data is single Downlink data.
  • the terminal determines whether to respond to the paging according to the fourth indication information. If the terminal response is not required, it receives the uplink message of the terminal and feeds back the data transmission success or terminal response information to the first network device; that is, the second network device (ie, connect Network access) After receiving a message from the terminal, such as a preamble message sent by the terminal or an uplink RRC message sent by the terminal, it reports to the first network device, that is, the core network that the data has been successfully sent, or the terminal has responded.
  • the fourth indication information indicates that the terminal does not respond to paging, or quick release, or single downlink data
  • the first network device receives data transmission success information or terminal response information fed back by the second network device.
  • the first network device receives the first service request message sent by the terminal; and determines the service type of the terminal based on the first service request message.
  • the terminal after receiving the early downlink data, the terminal initiates a specific type of message, such as a service request message.
  • a specific type of message such as a service request message.
  • the first network device core network
  • receives a specific type of message it considers that the service request is for the MT-EDT type.
  • the service request is for the MT-EDT type.
  • the foregoing MT-EDT type of service is only an example of a specific type of service. In fact, there may be other specific types of service, but it is not exhaustive in this embodiment.
  • the first network device sends fifth indication information to the second network device, where the fifth indication information is used to indicate at least one of the following: whether to respond to paging, whether to quickly release the terminal, and whether to single downlink data.
  • the second network device may receive the fifth indication information of the first network device, and determine whether to respond to paging, whether to release the terminal quickly, and whether to single downlink data through the fifth indication information.
  • the first network device (core network such as AMF or MEE) indicates to the second network device (access network) whether the terminal needs to respond to the paging message, whether to release the terminal quickly, and whether to single downlink data. If the first 5. If the indication information indicates that the terminal is not required to respond to at least one of the paging message, quick release of the terminal, and single downlink data, the second network device receives the uplink message of the terminal; sends sixth indication information to the terminal, the sixth indication information Used to instruct the terminal to return to the idle state.
  • core network such as AMF or MEE
  • the sixth indication information may be carried in MSG2 or MSG4.
  • the first network device is the AMF/MME in the figure
  • the second network device is the RAN in the figure
  • the third network device is the SMF/S-GW in the figure.
  • the fourth network device is the UPF/P-GW in the figure.
  • FIG. 6 is the early sending method of called data for control plane transmission data.
  • data is shown as downlink data.
  • UPF/P-GW obtains downlink data
  • SMF/S-GW sends downlink data to AMF/MME, and the PDU session identifier can be carried in the downlink data.
  • it can also carry other content, such as EBI, which will not be exhaustive here
  • AMF/MME encapsulates PDU session in downlink data, or adds EBI to NAS PDU
  • AMF/MME carries NAS PDU in paging request message, which can be understood as AMF/MME carries first information in paging request message 6.
  • AMF/MME sends a paging request to the RAN, 7.
  • the RAN sends downlink data to the terminal, and the downlink data may be downlink data sent early determined according to the first information.
  • Fig. 7 is an early transmission mode of downlink data for user plane transmission data.
  • the DL data in the figure can be understood as the called data in this embodiment. Specifically: Steps 1 and 2 are the same as the foregoing and will not be repeated; 3. SMF/ The S-GW determines that the downlink data can be sent early, and its determination method can be based on the terminal's capabilities to determine whether the terminal's capabilities support specific types of services, such as ME-EDT services, and the method of determining the terminal's capabilities can be based on local configuration. determine;
  • SMF/S-GW sends downlink data, and the downlink data can carry PDU session identifier/EBI/MT-EDT indication, etc.; 5. AMF/MME The paging request message carries downlink data; 6. AMF/MME sends a paging request message to the RAN, which may include NAS PDU, PDU session identifier/EBI, etc.;
  • SMF/S-GW sends N2 information, which contains MT-EDT indication and PDU session identifier/EBI; 8. AMF/MME adds N2 information to the paging request message; 9. 1. The AMF/MME sends a paging request message to the RAN; 10. The RAN sends downlink data to the terminal.
  • the network device can determine the early transmission of the called data for the terminal, thereby realizing the mechanism for the network device to perform the early transmission of the called data.
  • the embodiment of the present invention provides a first network device, as shown in FIG. 8, including:
  • the first communication unit 51 sends first information to the second network device
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • the second network device includes:
  • the second communication unit 61 receives the first information sent by the first network device
  • the first information is used to assist the second network device in determining whether to perform early transmission of called data for the terminal.
  • the first network device may be a core network device, and the second network device may be an access network device.
  • the first network device may be an AMF or MME;
  • the second network device may be a radio access network (RAN, Radio Access Network), such as a base station.
  • RAN Radio Access Network
  • other physical devices may also exist as the first network device or the second network device, but the list is not exhaustive here.
  • the first information includes at least one of the following:
  • the first network device indicates whether the called data of the second network device can be sent early;
  • the capability information of the terminal includes: whether to support early sending of called data, and wireless capability information of the terminal.
  • the first network device Before sending the first information, the first network device also needs to know the capabilities of the terminal, and the first network device further includes:
  • the first processing unit 52 receives a second message sent by the terminal, and determines based on the second message whether the terminal supports the ability to send called data early;
  • the sending the first information to the second network device may include: the first communication unit 51, which carries the first information in the paging request message sent to the second network device; One information is carried in the paging request message.
  • the second network device obtains the first information through a paging request message.
  • the first communication unit 51 of the first network device may also send the called data to the second network device.
  • the called data may be carried in the first information and sent to the second network device, or may not be carried in the first information.
  • the first network device determines the method for generating the first information, which may be instructed by the third network device, which may specifically be:
  • the first communication unit 51 receives the called data sent by the third network device and/or the first indication information whether the called data is sent early;
  • the first indication information is used to assist the first network device in determining whether to send the first information to the second network device.
  • the third network device may be SMF or S-GW.
  • a third network device as shown in FIG. 10, includes:
  • the third communication unit 71 sends to the first network device first indication information indicating whether the called data and/or called data is sent early; wherein the first indication information is used to assist the first network device in determining whether to send the second The network device sends the first information.
  • the manner in which the third network device obtains the first indication information of whether the called data and/or called data was sent early may be: the third communication unit 71 receives the called data and/or called data sent by the fourth network device The first indication of whether the data is sent early.
  • the third network device may further include: a third processing unit 72, which determines whether to perform early transmission of called data based on a local policy or an acquired policy.
  • the third network device can also be configured with the fourth network device, for example, the fourth network device can be configured to indicate the early sending of called data; the instruction can be used by the third network device to control whether the fourth network device is capable of sending the called data early The ability or function of the instructions sent.
  • the third processing unit 72 of the third network device may determine whether to configure the fourth network device to perform the instruction of early sending of the called data according to the size of the called data.
  • the third processing unit 72 when the size of the called data exceeds a preset threshold, determines not to configure the fourth network device to perform an indication of early sending of the called data;
  • the fourth network device When the size of the called data does not exceed the preset threshold, it is determined to configure the fourth network device to perform an indication of early sending of the called data.
  • the first network device determines whether to send the called data early, which may be based on the following processing:
  • the first processing unit 52 determines whether one of the PDU session, PDN connection, and EPS bearer uses the called party according to at least one of the following information: Early data transmission:
  • the terminal supports the capability information of the called data early transmission
  • the first communication unit 51 sends second indication information to a third network device, where the second indication information is used to indicate whether the PDU session, PDN connection, or EPS bearer uses the called data early send.
  • the third communication unit 71 of the third network device receives the second indication information sent by the first network device, where the second indication information is used to indicate whether the PDU session or PDN connection uses the called data for early transmission.
  • the third processing unit 72 of the third network device determines whether to send the called data to the first network device according to the PDU session or PDN connection information of the called data when the called data arrives.
  • the third network device may determine whether to perform early transmission of called data, and then the third network device instructs the first network device, which may include:
  • the third processing unit 72 of the third network device determines whether one of the PDU session, PDN connection, and EPS bearer uses called data according to at least one of the following information during the establishment of one of the PDU session, PDN connection, and EPS bearer Early delivery:
  • the terminal supports the capability information of the called data early transmission
  • the first communication unit 51 of the first network device receives third indication information sent by the third network device, where the third indication information is used to indicate whether the called data in one of the PDU session, the PDN connection, and the EPS bearer is being transferred. Call the data to be sent early.
  • the first network device may also indicate whether the terminal responds to paging, and specific processing methods may include the following:
  • the first communication unit 51 of the first network device sends fourth indication information; wherein the fourth indication information is used to instruct the terminal to determine at least one of the following: whether to respond to paging, whether to release the terminal quickly, and whether to single downlink data.
  • the fourth indication information may be paging indication information.
  • the first communication unit 51 of the first network device receives the first service request message sent by the terminal; the first processing unit 52 determines the service type of the terminal based on the first service request message.
  • the first communication unit 51 of the first network device sends fifth indication information to the second network device, where the fifth indication information is used to indicate at least one of the following: whether to respond to paging, whether to quickly release the terminal, Whether to single downlink data.
  • the second communication unit 61 of the second network device can receive the fifth instruction information of the first network device, and determine whether to respond to paging, whether to quickly release the terminal, and whether to single downlink data through the fifth instruction information.
  • the second communication unit 61 of the second network device receives the uplink message of the terminal; and sends the sixth Indication information, the sixth indication information is used to instruct the terminal to return to an idle state.
  • the sixth indication information may be carried in MSG2 or MSG4.
  • the network device can determine the early transmission of the called data for the terminal, and realize the mechanism for the network device to perform the early transmission of the called data, thereby improving the efficiency of data transmission and reducing system signaling Expenses to improve system efficiency.
  • FIG. 11 is a schematic structural diagram of a communication device 1900 according to an embodiment of the present invention.
  • the communication device in this embodiment may be specifically the network device in the foregoing embodiment.
  • the communication device 1900 shown in FIG. 11 includes a processor 1910, and the processor 1910 can call and run a computer program from the memory to implement the method in the embodiment of the present invention.
  • the communication device 1900 may further include a memory 1920.
  • the processor 1910 can call and run a computer program from the memory 1920 to implement the method in the embodiment of the present invention.
  • the memory 1920 may be a separate device independent of the processor 1910, or may be integrated in the processor 1910.
  • the communication device 1900 may also include a transceiver 1930, and the processor 1910 may control the transceiver 1930 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 1930 may include a transmitter and a receiver.
  • the transceiver 1930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1900 may specifically be a network device according to an embodiment of the present invention, and the communication device 1900 may implement the corresponding process implemented by the network device in each method of the embodiment of the present invention. For brevity, details are not repeated here. .
  • the communication device 1900 may specifically be a terminal device or a network device according to an embodiment of the present invention, and the communication device 1900 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present invention. It's concise, so I won't repeat it here.
  • Fig. 12 is a schematic structural diagram of a chip according to an embodiment of the present invention.
  • the chip 2000 shown in FIG. 12 includes a processor 2010, and the processor 2010 can call and run a computer program from the memory to implement the method in the embodiment of the present invention.
  • the chip 2000 may further include a memory 2020.
  • the processor 2010 can call and run a computer program from the memory 2020 to implement the method in the embodiment of the present invention.
  • the memory 2020 may be a separate device independent of the processor 2010, or may be integrated in the processor 2010.
  • the chip 2000 may further include an input interface 2030.
  • the processor 2010 can control the input interface 2030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 2000 may further include an output interface 2040.
  • the processor 2010 can control the output interface 2040 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present invention, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present invention.
  • the chip can be applied to the network device in the embodiment of the present invention, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present invention.
  • the chip mentioned in the embodiment of the present invention may also be called a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the processor in the embodiment of the present invention may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present invention may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc.
  • static random access memory static random access memory
  • SRAM static random access memory
  • dynamic RAM dynamic random access memory
  • Synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate SDRAM double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory strip link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • FIG. 13 is a schematic block diagram of a communication system 2100 according to an embodiment of the present application. As shown in FIG. 13, the communication system 2100 includes a UE 2110 and a network device 2120.
  • the UE 2110 may be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 2120 may be used to implement the corresponding function implemented by the network device in the above method.
  • the embodiment of the present invention also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present invention, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the embodiment of the present invention also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present invention, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the computer program product can be applied to the network device in the embodiment of the present invention, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention.
  • the embodiment of the present invention also provides a computer program.
  • the computer program may be applied to the network device in the embodiment of the present invention.
  • the computer program When the computer program is run on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention. For the sake of brevity , I won’t repeat it here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is realized in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present invention.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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CN202110576458.1A CN113329396B (zh) 2019-06-18 2019-09-30 一种数据发送方法、网络设备
JP2021574937A JP2022537302A (ja) 2019-06-18 2019-09-30 データ送信方法、ネットワーク機器
KR1020217041213A KR20220024065A (ko) 2019-06-18 2019-09-30 데이터 송신 방법, 네트워크 기기
EP19933993.8A EP3879874B1 (en) 2019-06-18 2019-09-30 Data transmission method and network device
PCT/CN2019/109683 WO2020252981A1 (zh) 2019-06-18 2019-09-30 一种数据发送方法、网络设备
CN201980062507.0A CN112740743A (zh) 2019-06-18 2019-09-30 一种数据发送方法、网络设备
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