WO2020107340A1 - Procédé de traitement de données, dispositifs et support d'informations - Google Patents

Procédé de traitement de données, dispositifs et support d'informations Download PDF

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Publication number
WO2020107340A1
WO2020107340A1 PCT/CN2018/118241 CN2018118241W WO2020107340A1 WO 2020107340 A1 WO2020107340 A1 WO 2020107340A1 CN 2018118241 W CN2018118241 W CN 2018118241W WO 2020107340 A1 WO2020107340 A1 WO 2020107340A1
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Prior art keywords
network device
data packet
sent
type data
type
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PCT/CN2018/118241
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English (en)
Chinese (zh)
Inventor
卢前溪
尤心
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2018/118241 priority Critical patent/WO2020107340A1/fr
Priority to CN201880096303.4A priority patent/CN112514450B/zh
Publication of WO2020107340A1 publication Critical patent/WO2020107340A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present invention relates to the field of wireless communication technology, and in particular, to a data processing method, device, and storage medium.
  • the source base station after the source base station receives the handover request response of the target base station or the source base station sends a handover command to the terminal device, the source base station forwards the data to the target base station; Time, increases the system delay and reduces the data transmission efficiency.
  • embodiments of the present invention provide a data processing method, device, and storage medium, which can implement data forwarding and transmission in a switching process, reduce system delay, and improve data transmission efficiency.
  • an embodiment of the present invention provides a data processing method.
  • the method includes: a second network device determines whether to forward a data packet to a first network device.
  • an embodiment of the present invention provides a data processing method.
  • the method includes: a first network device determines whether to wait to receive a forwarded data packet from a second network device.
  • an embodiment of the present invention provides a data processing method.
  • the method includes: a terminal device receives a first type data packet sent by a first network device, and the first type data packet is sent by a third network device to a third One network device.
  • an embodiment of the present invention provides a second network device, including: a first processing unit configured to determine whether to forward the data packet to the first network device.
  • an embodiment of the present invention provides a first network device, including: a second processing unit configured to determine whether to wait to receive a forwarded data packet of the second network device.
  • an embodiment of the present invention provides a terminal device.
  • the terminal device includes:
  • the first receiving unit is configured to receive a first type data packet sent by the first network device, and the first type data packet is sent by the third network device to the first network device.
  • an embodiment of the present invention provides a first network device, including: a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to run the computer program, The steps of the data processing method performed by the first network device described above are performed.
  • an embodiment of the present invention provides a second network device, including: a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to run the computer program, The steps of the data processing method performed by the second network device described above are performed.
  • an embodiment of the present invention provides a terminal device, including: a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to execute the above when the computer program is run The steps of the data processing method performed by the terminal device.
  • an embodiment of the present invention provides a storage medium that stores an executable program.
  • the executable program is executed by a processor, the data processing method executed by the first network device described above is implemented.
  • an embodiment of the present invention provides a storage medium that stores an executable program, and when the executable program is executed by a processor, the data processing method executed by the second network device described above is implemented.
  • an embodiment of the present invention provides a storage medium that stores an executable program, and when the executable program is executed by a processor, the data processing method executed by the terminal device described above is implemented.
  • the second network device can determine whether to forward the data packet to the first network device, and the first network device can determine whether to wait to receive the forwarded data packet from the second network device, and pass The terminal device receives the first type of data packet from the third network device sent by the first network device, so that during the cell handover process, the data packet that has not been activated for repeated transmission may not have been transmitted or the data is forwarded and transmitted when the transmission is successful, Reduced system delay and improved data transmission efficiency.
  • FIG. 1 is a schematic diagram of a cell switching process in the related art
  • Figure 2 is a schematic diagram of the optimized cell handover process in the related art
  • FIG. 3 is a schematic diagram of the structure of a communication system according to an embodiment of the invention.
  • FIG. 4 is a schematic diagram of an optional processing flow of a data processing method applied to a second network device according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of an optional processing flow of a data processing method applied to a first network device according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of an optional processing flow of a data processing method applied to a terminal device according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a composition of a second network device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a composition of a first network device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of the composition of a terminal device according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a hardware composition structure of an electronic device according to an embodiment of the present invention.
  • the source base station forwards the data (Data Forwarding) to the target base station.
  • the user port function (User Port Function, UPF) sends the data packet with the end marker to the source base station, and the data packet with the end marker is the last received by the source base station data pack.
  • UPF User Port Function
  • the data packets will be sent directly by the UPF to the target base station; the target base station receives the data forwarded by the source base station, and when receiving the data packet carrying the end marker, the target base station considers that the data forwarding is completed. It can be seen that the downlink data packets before the path switch are forwarded to the target base station through the source base station, and this forwarding process increases the system delay.
  • an embodiment of the present invention provides a data processing method.
  • the UPF sends the repeatedly transmitted downlink data packets to the source base station and the target
  • the base station carries the duplication transmission indication (duplication indication) in the first repeatedly transmitted data packet of the source base station; after receiving the duplicate transmission indication, the source base station sends a handover command to the terminal device to trigger the handover process.
  • duplication transmission indication duplication indication
  • the source base station sends a handover command to the terminal device to trigger the handover process.
  • data packets that have not been activated for repeated transmission may not have been transmitted or have been successfully transmitted; in this switching scenario, there is currently no solution for how to perform data forwarding and transmission.
  • the present invention provides a data processing method, which can realize the forwarding and transmission of data in the above switching scenario shown in FIG. 2.
  • the data processing method of the embodiment of the present application may be applied to various communication systems, such as: Global Mobile Communication (Global System of Mobile Communication (GSM) system, Code Division Multiple Access (CDMA) system, Broadband Code Division Multiple Address (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Global Interoperability for Microwave Access (WiMAX) communication system or 5G system, etc.
  • GSM Global Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Address
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 3.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNodeB evolved base station in an LTE system
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-veh
  • the communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110.
  • terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And/or another data connection/network; and/or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device configured to receive/transmit communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Lines
  • WLAN wireless local area networks
  • digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet/internal PDA with network access, web browser, notepad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS Personal Communication Systems
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in a 5G network, or terminal devices in a future-evolving PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • terminal equipment 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 3 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • the optional processing flow of the data processing method applied to the second network device provided by the embodiment of the present invention, as shown in FIG. 4, includes the following steps:
  • step S201 the second network device determines whether to forward the data packet to the first network device.
  • the second network device determines that the first type of data packet is not forwarded to the first network device.
  • the second network device determines that the first type of data packet satisfies the first condition, and does not forward to the first network device.
  • the first condition includes at least one of the following:
  • the first condition is when the second network device receives the data packet carrying the copy indication sent by the third network device; the first condition is that the second network device receives the carrying copy sent by the third network device After the indicated data packet; the first condition is when the second network device receives a handover command sent by the third network device or the first network device; the first condition is that the second network device receives After the handover command sent by the third network device or the first network device; the first condition is when the second network device sends a handover command to the terminal device; the first condition is the second network device After sending the switching command to the terminal device.
  • the second network device determines not to forward the first type data packet to the first network device when receiving the data packet carrying the copy indication sent by the third network device.
  • the second network device determines not to forward the first type data packet to the first network device.
  • the second network device determines not to forward the first type data packet to the first network device.
  • the second network device when the second network device sends a handover command to the terminal device, it is determined not to forward the first type data packet to the first network device.
  • the second network device determines not to forward the first type data packet to the first network device.
  • the second network device before the second network device determines not to forward the first type data packet to the first network device, it first needs to determine the first type data packet, and then determines not to forward the first type data packet To the first network device.
  • the second network device determines the first type of data packet; such as the received data packet with the copy instruction from the UPF If the GTP-U SN is x, the data packet with the GTP-U SN greater than or equal to x is the first type data packet, and it is determined not to forward the first type data packet to the first network device.
  • the second network device determines the first type of data packet; for example, the GTP- of the first data packet after the received handover command If USN is x, the data packet with GTP-USN greater than or equal to x is the first type data packet, and it is determined not to forward the first type data packet to the first network device.
  • the first type of data packet is determined; if the GTP-USN of the first data packet received after sending the handover command is x, the GTP-USN is greater than or The data packet equal to x is the first type data packet, and it is determined not to forward the first type data packet to the first network device.
  • the first condition includes both of the above two
  • a condition needs to be selected according to the actual scenario to determine whether to forward the data packet to the first network device; for example, when the second network device receives the third network When the data packet carrying the copy instruction sent by the device and the second network device receives the handover command, the second network device receives the handover command as a condition for judging whether to forward the data packet to the first network device . Or, when the second network device receives the data packet carrying the copy instruction sent by the third network device, and when the second network device receives the handover command, the second network device receives the third network device The sent data packet carrying the copy instruction is used as a condition for judging whether to forward the data packet to the first network device.
  • the first type data packet includes at least one of the following:
  • the first type data packet is a data packet sent by a third network device and carrying a copy instruction
  • the first type data packet is a data packet sent after the third network device sends a data packet carrying a copy instruction
  • the first type data packet is a data packet sent by a third network device and carrying an end identifier
  • the first type data packet is a data packet sent by a third network device and carrying a start identifier
  • the first type data packet is a data packet sent after the data packet carrying the start identifier sent by the third network device;
  • the first type of data packet is a data packet received at the moment when the second network device receives the switching command or after receiving the switching command;
  • the first type of data packet is a data packet received from the third network device after the second network device sends a switching command to the terminal device or after receiving the switching command;
  • the first type data packet is a data packet that activates replication transmission.
  • the second network device determines whether to forward the second type data packet to the first network device according to the first indication information.
  • the first indication information may be information determined by the second network device, or the first indication information may be information indicated by the first network device to the second network device, or the first indication information may be information indicated by the third network device to the second network device The indicated information.
  • the first indication information is information determined by the second network device
  • the first indication information is carried in the handover request message of the second network device
  • the first indication information is carried in the handover request message of the second network device
  • the first indication information is information indicated by the first network device to the second network device
  • the first indication information is carried in the handover preparation process of the second network device
  • the first indication information is carried in a first message sent by the second network device; optionally, the first message is sent after the second network device receives a handover request response message Message, the first message is a new message.
  • the first indication information is information indicated by the third network device to the second network device
  • the first indication information is pre-configured information
  • the first indication message is a third network device such as a user port Function (User Port Function, UPF) or access and mobility management function (Access and Mobility Management Function, AMF) entities are pre-configured.
  • UPF User Port Function
  • AMF Access and Mobility Management Function
  • the second type data packet includes at least one of the following:
  • the second type data packet is a downlink data packet that is not sent by the second network device to a terminal device; the second type data packet is sent by the second network device to a terminal device, but correct feedback is not received Downlink data packet; the second type data packet is an uplink data packet sent by the terminal device to the second network device, but correct feedback is not received; the second type data packet is a carry copy sent by the third network device.
  • the data packet before the indicated data packet; the second type data packet is mapped to the radio link layer control (Radio Link Control, RLC) Acknowledged Mode (AM), RLC unacknowledged mode (Unacknowledged Mode, UM) Or RLC transparent mode (Transparent Mode, TM) data packet; the second type data packet is an inactive copy transmission data packet received by the second network device; the second type data packet is the first 2.
  • Radio Link Control Radio Link Control
  • AM Radio Link Control
  • RLC unacknowledged mode Unacknowledged Mode, UM
  • RLC transparent mode Transparent Mode, TM
  • the second type data packet is a data packet received by the second network device and carrying a termination identifier;
  • the second type data packet is The data packet received by the second network device before the data packet carrying the termination identifier.
  • the method further includes:
  • Step S202 The second network device sends a termination identifier to the first network device, where the termination identifier is used to notify the first network device that data forwarding is complete.
  • the termination identifier is carried in the last second type data packet forwarded by the second network device to the first network device, or the termination identifier is sent by the second network device The first network device forwards the last second type data packet and sends it.
  • the method further includes:
  • Step S203 The second network device sends second indication information to the first network device, where the second indication information is used to notify the first network device of a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) sequence number ( Serial Number, SN) and/or GTP-U SN.
  • PDCP Packet Data Convergence Protocol
  • sequence number Serial Number, SN
  • GTP-U SN GTP-U SN
  • the second indication information includes at least one of the following: the mapping relationship between PDCP SN, GTP-U SN, PDCP SN and GTP-U SN, and the data bearer DRB identifier.
  • the second indication information is used by the first network device to determine the starting PDCP SN corresponding to the first type data packet.
  • the first network device is a target base station during cell handover
  • the second network device is a source base station during cell handover
  • the third network device is a core network device;
  • the core network equipment is UPF or AMF.
  • the optional processing flow of the data processing method applied to the first network device provided by the embodiment of the present invention, as shown in FIG. 5, includes the following steps:
  • step S301 the first network device determines whether to wait to receive the forwarded data packet of the second network device.
  • the first network device determines whether to wait for the second type of data packet forwarded by the second network device according to the first indication information.
  • the description of the first indication information and the first message is the same as the description of the first indication information and the first message in the foregoing embodiment, and details are not described herein again.
  • the method further includes:
  • Step S302 The first network device sends the first type data packet from the third network device to the terminal device.
  • the first type data packet is sent to the terminal device when the second condition is satisfied.
  • the second condition includes at least one of the following:
  • the second network device After the second network device receives the data packet sent by the third network;
  • the second network device After the second network device receives the second type data packet sent by the third network;
  • the second network device After the second network device receives the second type data packet forwarded by the first network;
  • the second network device does not wait to receive the forwarded second type data packet
  • the second network device After the second network device sends the forwarded second type data packet to the terminal device;
  • the first network device Before the first network device sends the forwarded second type data packet to the second network device;
  • the second network device After the second network device receives the second type data packet forwarded by the first network.
  • the first network device may send the data packet directly from the UPF to the terminal device after the forwarding of the forwarded data packet is completed; or the first network device does not consider whether there is a forwarded data packet or a forwarded data packet
  • the data packet from the UPF may be sent to the terminal device by the first network device before the forwarded data packet is sent, or may be sent to the terminal device before the forwarded data packet is sent, or may be sent to the forwarded data packet It is sent to the terminal device before forwarding is completed.
  • the method further includes:
  • Step S303 the first network device determines the starting PDCP SN corresponding to the first type data packet according to the second indication information; and/or, the first network device determines the first PDCP according to the second indication information Correspondence between the starting PDCP SN and DRB corresponding to the first type data packet; and/or, the first network device determines the starting PDCP SN and GTP-U corresponding to the first type data packet according to the second indication Correspondence.
  • the description of the second indication information is the same as that in the foregoing embodiment, and details are not described herein again.
  • Step S304 the first network device determines the last data packet of data forwarding.
  • the first network device determines the last data packet for data forwarding according to at least one of the following:
  • the first network device will not send the determined data packet after the last data packet forwarded to the second network device.
  • the descriptions of the first indication information, termination identifier, first type data packet, second type data packet, first network device, second network device, and third network device are the same as The description of the first indication information, the termination identifier, the first type data packet, the second type data packet, the first network device, the second network device, and the third network device are the same, and will not be repeated here.
  • the optional processing flow of the data processing method applied to the terminal device provided by the embodiment of the present invention, as shown in FIG. 6, includes the following steps:
  • Step S401 The terminal device receives a first type data packet sent by the first network device, and the first type data packet is sent by the third network device to the first network device.
  • the first type data packet is sent when the second condition is satisfied.
  • the descriptions of the first network device, the second network device, the second condition, the third network device, and the first type of data packet are the same as the first network device, the second network device, the first The description of the three network devices is the same as that of the first type of data packet, and will not be repeated here.
  • An embodiment of the present invention also provides a second network device, and a schematic structural diagram of the composition of the first network device.
  • the second network device 500 includes:
  • the first processing unit 501 is configured to determine whether to forward the data packet to the first network device.
  • the first processing unit 501 is configured to determine that the first type data packet is not forwarded to the first network device.
  • the first processing unit 501 is configured to determine that the first type of data packet that satisfies the first condition is not forwarded to the first network device.
  • the first condition includes at least one of the following:
  • the first condition is when the second network device receives the data packet carrying the copy indication sent by the third network device; the first condition is that the second network device receives the carrying copy sent by the third network device After the indicated data packet; the first condition is when the second network device receives a handover command sent by the third network device or the first network device; the first condition is that the second network device receives After the handover command sent by the third network device or the first network device; the first condition is when the second network device sends a handover command to the terminal device; the first condition is the second network device After sending the switching command to the terminal device.
  • the first type data packet includes at least one of the following:
  • the first type data packet is a data packet sent by a third network device that carries a copy instruction; the first type data packet is a data packet sent after a third network device sends a data packet that carries a copy instruction; the first The type data packet is a data packet sent by a third network device carrying an end identifier; the first type data packet is a data packet sent by a third network device carrying a start identifier; the first type data packet is the third A data packet sent after a data packet carrying a start identifier sent by a network device; the first type data packet is a data packet that starts when a second network device receives a handover command or is received after receiving a handover command; The first type of data packet is a data packet that is received from the third network device after the second network device sends a switching command to the terminal device or after receiving the switching command; the first type of data packet is a data packet that activates replication transmission .
  • the first processing unit 501 is configured to determine whether to forward the second type data packet to the first network device according to the first indication information.
  • the first indication information includes at least one of the following:
  • the first indication information is carried in a handover request message of the second network device; the first indication information is carried in a handover preparation process of the second network device; the first indication information is carried in the In the first message sent by the second network device; the first indication information is pre-configured information.
  • the second network device further includes:
  • the first sending unit 502 is configured to send a termination identifier to the first network device, where the termination identifier is used to notify the first network device that data forwarding is complete.
  • the termination identifier is carried in the last second type data packet forwarded by the second network device to the first network device. Or the termination identifier is sent by the second network device to the first network device after forwarding the last second type data packet.
  • the second type data packet includes at least one of the following:
  • the second type data packet is a downlink data packet that is not sent by the second network device to a terminal device; the second type data packet is sent by the second network device to a terminal device, but correct feedback is not received Downlink data packet; the second type data packet is an uplink data packet sent by the terminal device to the second network device, but correct feedback is not received; the second type data packet is a carry copy sent by the third network device.
  • the data packet before the indicated data packet; the second type data packet is a data packet mapped to RLC AM, RLC UM or RLC TM; the second type data packet is an inactive received by the second network device Copy the transmitted data packet; the second type data packet is a data packet received by the second network device before the data packet carrying the copy instruction; the second type data packet is received by the second network device A data packet carrying a termination identifier; the second type data packet is a data packet received before the data packet carrying the termination identifier received by the second network device.
  • the second network device further includes:
  • the second sending unit 503 is configured to send second indication information to the first network device, where the second indication information is used to notify the first network device of PDCP SN and/or GTP-U SN.
  • the second indication information includes at least one of the following: PDCP SN, GTP-U SN, PDCP SN and GTP-U SN mapping relationship and DRB identification.
  • the first network device is a target base station
  • the second network device is a source base station
  • the third network device is a core network device
  • An embodiment of the present invention also provides a first network device, and a schematic structural diagram of the composition of the first network device.
  • the first network device 600 includes:
  • the second processing unit 601 is configured to determine whether to wait to receive the forwarded data packet of the second network device.
  • the second processing unit 601 is configured to determine, according to the first indication information, whether to wait to receive the second type data packet forwarded by the second network device.
  • the first indication information includes at least one of the following:
  • the first indication information is carried in a handover request message of the second network device; the first indication information is carried in a handover preparation process of the second network device; the first indication information is carried in the In the first message sent by the second network device; the first indication information is pre-configured information.
  • the first message is a message sent by the second network device after receiving a handover request response message.
  • the first network device further includes:
  • the third sending unit 602 is configured to send the first type data packet from the third network device to the terminal device.
  • the first type data packet is sent when the second condition is satisfied;
  • the second condition includes at least one of the following:
  • the second network device After the second network device receives the data packet sent by the third network;
  • the second network device After the second network device receives the second type data packet sent by the third network;
  • the second network device After the second network device receives the second type data packet forwarded by the first network;
  • the second network device does not wait to receive the forwarded second type data packet
  • the second network device After the second network device sends the forwarded second type data packet to the terminal device;
  • the first network device Before the first network device sends the forwarded second type data packet to the second network device;
  • the second network device After the second network device receives the second type data packet forwarded by the first network.
  • the first network device further includes:
  • the first network device further includes:
  • the third processing unit 603 is configured to determine the starting PDCP SN corresponding to the first type data packet according to the second indication information.
  • the second indication information includes at least one of the following:
  • PDCP SN PDCP SN, GTP-U SN, PDCP SN and GTP-U SN mapping relationship and data bearer DRB identification.
  • the second processing unit 601 is configured to determine the last data packet for data forwarding.
  • the second processing unit 601 is configured to determine the last data packet of data forwarding according to at least one of the following:
  • the termination identifier is carried in the last second type data packet forwarded by the second network device to the first network device, or the termination identifier is sent by the second network device to the first The network device forwards the last packet of the second type and sends it.
  • the descriptions of the first type data packet, the second type data packet, the first network device, the second network device, and the third network device are the same as those in the foregoing embodiment, and are not repeated here .
  • An embodiment of the present invention also provides a terminal device, and a schematic structural diagram of the composition of the terminal device.
  • the terminal device 800 includes:
  • the first receiving unit 801 is configured to receive a first type data packet sent by a first network device, and the first type data packet is sent by a third network device to the first network device.
  • the first type data packet is sent when the second condition is satisfied.
  • the second condition includes at least one of the following:
  • the second network device After the second network device receives the data packet sent by the third network;
  • the second network device After the second network device receives the second type data packet sent by the third network;
  • the second network device After the second network device receives the second type data packet forwarded by the first network;
  • the second network device does not wait to receive the forwarded second type data packet
  • the second network device After the second network device sends the forwarded second type data packet to the terminal device;
  • the first network device Before the first network device sends the forwarded second type data packet to the second network device;
  • the second network device After the second network device receives the second type data packet forwarded by the first network.
  • the first network device is a target base station
  • the second network device is a source base station
  • the third network device is a core network device
  • An embodiment of the present invention also provides a first network device, including a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to execute the first The steps of the data processing method performed by the network device.
  • An embodiment of the present invention further provides a second network device, including a processor and a memory for storing a computer program that can run on the processor, where the processor is used to execute the second The steps of the data processing method performed by the network device.
  • An embodiment of the present invention further provides a terminal device, including a processor and a memory for storing a computer program that can run on the processor, where the processor is used to execute Data processing method steps.
  • An embodiment of the present invention further provides a network device, including a processor and a memory for storing a computer program that can run on the processor, where the processor is used to execute Steps of connection configuration method.
  • the electronic device 700 includes: at least one processor 701, a memory 702, and at least one network interface 704.
  • the various components in the electronic device 700 are coupled together through a bus system 705. It can be understood that the bus system 705 is used to implement connection and communication between these components.
  • the bus system 705 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clarity, various buses are marked as the bus system 705 in FIG.
  • the memory 702 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
  • the non-volatile memory may be ROM, programmable read-only memory (PROM, Programmable Read-Only Memory), erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory), electrically erasable Programmable Read Only Memory (EEPROM, Electrically Erasable, Programmable Read-Only Memory), Ferromagnetic Random Access Memory (FRAM), Flash Memory (Flash), Magnetic Surface Memory, CD, or CD-ROM (CD -ROM, Compact, Disc, Read-Only, Memory); the magnetic surface memory can be either disk storage or tape storage.
  • the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • SSRAM synchronous static random access memory
  • DRAM dynamic random access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced Type synchronous dynamic random access memory
  • SLDRAM SyncLink Dynamic Random Access Memory
  • direct memory bus random access memory DRRAM, Direct Rambus Random Access Random Access Memory
  • DRRAM Direct Rambus Random Access Random Access Memory
  • the memory 702 described in this embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 702 in the embodiment of the present invention is used to store various types of data to support the operation of the electronic device 700. Examples of these data include: any computer program for operating on the electronic device 700, such as an application program 7022.
  • the program for implementing the method of the embodiment of the present invention may be included in the application program 7022.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 701, or implemented by the processor 701.
  • the processor 701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software.
  • the aforementioned processor 701 may be a general-purpose processor, a digital signal processor (DSP, Digital Processor), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the processor 701 may implement or execute the disclosed methods, steps, and logical block diagrams in the embodiments of the present invention.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium.
  • the storage medium is located in the memory 702.
  • the processor 701 reads the information in the memory 702 and completes the steps of the foregoing method in combination with its hardware.
  • the electronic device 700 may be one or more application specific integrated circuits (ASIC, Application Integrated Circuit), DSP, programmable logic device (PLD, Programmable Logic Device), complex programmable logic device (CPLD , Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic components to implement the aforementioned method.
  • ASIC Application specific integrated circuits
  • DSP digital signal processor
  • PLD programmable logic device
  • CPLD Complex programmable logic device
  • FPGA general-purpose processor
  • controller MCU, MPU, or other electronic components to implement the aforementioned method.
  • An embodiment of the present application further provides a storage medium for storing computer programs.
  • the storage medium may be applied to the first network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the first network device in each method of the embodiment of the present application. This will not be repeated here.
  • the storage medium may be applied to the second network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the second network device in each method of the embodiment of the present application. This will not be repeated here.
  • the storage medium may be applied to the terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. .
  • each flow and/or block in the flowchart and/or block diagram and a combination of the flow and/or block in the flowchart and/or block diagram may be implemented by computer program instructions.
  • These computer program instructions can be provided to the processor of a general-purpose computer, special-purpose computer, embedded processing machine, or other programmable data processing device to produce a machine that enables the generation of instructions executed by the processor of the computer or other programmable data processing device
  • These computer program instructions may also be stored in a computer-readable memory that can guide a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including an instruction device, the instructions
  • the device implements the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and/or block diagrams.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of operating steps are performed on the computer or other programmable device to produce computer-implemented processing, which is executed on the computer or other programmable device
  • the instructions provide steps for implementing the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and/or block diagrams.

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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 de traitement de données, un premier dispositif de réseau, un second dispositif de réseau, un dispositif terminal et un support d'informations. Le procédé comprend les étapes suivantes : un second dispositif de réseau détermine s'il faut transférer un paquet de données vers un premier dispositif de réseau (S201) ; le premier dispositif de réseau détermine s'il faut attendre la réception du paquet de données transféré par le second dispositif de réseau (S301) ; et un dispositif terminal reçoit un premier type de paquet de données envoyé par le premier dispositif de réseau (S401).
PCT/CN2018/118241 2018-11-29 2018-11-29 Procédé de traitement de données, dispositifs et support d'informations WO2020107340A1 (fr)

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PCT/CN2018/118241 WO2020107340A1 (fr) 2018-11-29 2018-11-29 Procédé de traitement de données, dispositifs et support d'informations
CN201880096303.4A CN112514450B (zh) 2018-11-29 2018-11-29 一种数据处理方法、设备及存储介质

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