WO2020001064A1 - Procédé et dispositif de traitement de données - Google Patents

Procédé et dispositif de traitement de données Download PDF

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Publication number
WO2020001064A1
WO2020001064A1 PCT/CN2019/077217 CN2019077217W WO2020001064A1 WO 2020001064 A1 WO2020001064 A1 WO 2020001064A1 CN 2019077217 W CN2019077217 W CN 2019077217W WO 2020001064 A1 WO2020001064 A1 WO 2020001064A1
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Prior art keywords
iab
donor
node
iab node
rnti
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PCT/CN2019/077217
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English (en)
Chinese (zh)
Inventor
张大钧
汪颖
刘佳敏
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电信科学技术研究院有限公司
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Publication of WO2020001064A1 publication Critical patent/WO2020001064A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a data processing method and device.
  • the embodiments of the present application provide a data processing method and device, so that when there is a wireless backhaul in a 5G network, reliable transmission of data bearers can be correctly performed on each hop wireless node to meet the requirements of subsequent terminal services and data transmission. Improved system management efficiency.
  • a data processing method provided in an embodiment of the present application includes:
  • a data packet sent by an intermediate integrated access and backhaul IAB node is received; the data packet is parsed to obtain a comprehensive access and backhaul wireless network temporary identifier assigned by the parent node of the intermediate IAB node to the intermediate IAB node IAB-RNTI ID; sending the IAB-RNTI ID to the host central unit control plane Donor CU-CP entity, so that when wireless backhaul exists in a 5G network, reliable transmission of data bearers can be correctly performed on each hop wireless node to meet Subsequent terminal services and data transmission requirements have improved system management efficiency.
  • sending the IAB-RNTI ID to the Donor CU-CP entity specifically includes:
  • the uplink radio resource control information transmission message is a F1 application protocol F1AP message.
  • a data processing method provided in an embodiment of the present application includes:
  • the parent node of the intermediate integrated access and backhaul IAB node obtained from the message obtains the integrated access and backhaul assigned by the parent IAB node.
  • Wireless network temporary identification IAB-RNTI ID IAB-RNTI ID
  • the method further includes:
  • a Donor CU-CP entity that establishes an F1AP for the intermediate IAB node is selected, and the Donor CU-CP entity initiates a user equipment context establishment process for the intermediate IAB node to Donor DU.
  • the user equipment context establishment request message in the user equipment context establishment process carries the IAB-RNTI ID and indication information used to indicate that the user equipment is an IAB node in the Donor DU.
  • a data processing method provided in an embodiment of the present application includes:
  • OAM Operation Management and Maintenance
  • a data processing method provided by an embodiment of the present application includes:
  • the host central unit Donor CU determines the RRC reconfiguration message, which contains the mapping relationship of the signaling radio bearer
  • mapping relationship includes:
  • the SRB for F1AP or UE is mapped to the signaling bearer corresponding to the intermediate IAB node.
  • Memory for storing program instructions
  • the processor is configured to call a program instruction stored in the memory and execute the method according to the embodiment of the present application according to the obtained program.
  • a data processing device provided in an embodiment of the present application includes:
  • a receiving unit configured to receive a data packet sent by an intermediate integrated access and backhaul IAB node
  • a parsing unit configured to parse the data packet to obtain a comprehensive access and backhaul wireless network temporary identifier IAB-RNTI ID assigned by a parent node of the intermediate IAB node to the intermediate IAB node;
  • a sending unit is configured to send the IAB-RNTI ID to the host central unit control plane Donor CU-CP entity.
  • a data processing device provided in an embodiment of the present application includes:
  • An obtaining unit configured to obtain an intermediate integrated access and backhaul IAB node parent node assigned to the intermediate IAB node when the uplink wireless resource control information transmission message of the host distributed unit Donor DU is received from the message; Integrated access and backhaul wireless network temporary identification IAB-RNTI ID;
  • a sending unit is configured to send a radio resource control RRC establishment message to an IAB child node, where the IAB-RNTI ID is carried.
  • a data processing apparatus provided in an embodiment of the present application includes:
  • An initiating unit is configured to initiate an F1 connection establishment process with the Donor CU, and through this process, provide an integrated access and backhaul IAB node identifier allocated by the OAM to the Donor CU.
  • a data processing device provided in an embodiment of the present application includes:
  • a determining unit configured to determine an RRC reconfiguration message, where the message includes a mapping relationship of a signaling radio bearer
  • a sending unit configured to send the RRC reconfiguration message to an intermediate IAB node.
  • Another embodiment of the present application provides a computer storage medium, where the computer storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause the computer to execute any one of the foregoing methods.
  • FIG. 1 is a schematic structural diagram of a 5G mobile communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a user plane protocol stack architecture according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a protocol stack architecture of a control plane according to an embodiment of the present application.
  • 4A is a schematic diagram of an IAB control plane architecture of a first simplified protocol stack according to an embodiment of the present application
  • 4B is a schematic diagram of an IAB control plane architecture of a second simplified protocol stack according to an embodiment of the present application
  • 4C is a schematic diagram of an IAB control plane architecture of a third simplified protocol stack according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a signaling node configuration of a first-hop IAB node according to an embodiment of the present application
  • FIG. 6 is a schematic flowchart of an adaptation layer configuration process of a UE signaling carried in an intermediate IAB node according to an embodiment of the present application
  • FIG. 7 is a schematic flowchart of a data processing method on a Donor DU side according to an embodiment of the present application.
  • FIG. 8 is a schematic flowchart of a data processing method on a Donor CU-CP entity side according to an embodiment of the present application
  • FIG. 9 is a schematic flowchart of a data processing method on an IAB node side according to an embodiment of the present application.
  • FIG. 10 is a schematic flowchart of a data processing method on a Donor CU side according to an embodiment of the present application
  • FIG. 11 is a schematic structural diagram of a computing device according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of another data processing device on a Donor DU side according to an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of another data processing device on a Donor CU-CP entity side according to an embodiment of the present application
  • FIG. 14 is a schematic structural diagram of another data processing apparatus on an IAB node side according to an embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of another data processing device on a Donor CU side according to an embodiment of the present application.
  • the embodiments of the present application provide a data processing method and device, so that when there is a wireless backhaul in a 5G network, reliable transmission of data bearers can be correctly performed on each hop wireless node to meet the requirements of subsequent terminal services and data transmission. Improved system management efficiency.
  • the embodiment of the present application proposes a method for processing an adaptation layer of an integrated access and backhaul (IAB) network, so as to ensure that the adaptation layer on the network side can be correctly completed under the premise of simplifying the protocol stack. Configuration to provide stable and reliable data transmission services for user equipment (UE).
  • UE user equipment
  • the 5G mobile communication system is introduced as follows:
  • the base station gNB
  • gNB NR NodeB
  • core network nodes such as access and mobility management functions Entity (Access, Mobility, Management, Function, AMF), User Plane Function Entity (User, Plane Function, UPF), etc.
  • access and mobility management functions Entity Access, Mobility, Management, Function, AMF
  • User Plane Function Entity User, Plane Function, UPF
  • the ng-eNB in Figure 1 is a kind of base station (node-providing E-UTRA, user-plane, and control-plane protocol, the UE, and connected via the NG interface).
  • the 5G wireless protocol architecture is introduced as follows:
  • the 5G basic user plane protocol layer includes: Service Data Adaptation Protocol (SDAP), Packet Data Convergence Protocol (PDCP), Radio Link Control (RLC), and Media Access Control (RLC) Media Access Control (MAC), Port Physical Layer (PHY).
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RLC Media Access Control
  • MAC Port Physical Layer
  • PHY Port Physical Layer
  • the control plane protocol layer includes: non-access stratum (NAS), radio resource control (RRC), PDCP, RLC, MAC and PHY.
  • FIG. 4A A simplified IAB control plane architecture is shown in Figures 4A, 4B, and 4C.
  • the RRC message from the UE is directly mapped to the signaling bearer of the IAB node (node), in which the adaptation layer information needs to be added;
  • the RRC message from the UE will be directly mapped to the signaling bearer of the previous hop IAB node, where the adaptation layer information needs to be added;
  • the F1AP message from the distributed unit (DU) part of the IAB node is mapped to the signaling bearer of the IAB node.
  • MT is a mobile terminal
  • CU-CP is a central unit control plane
  • IAB-donor is a host IAB.
  • This embodiment of the present application provides a processing method for the adaptation layer of a multi-hop 5G wireless backhaul node to meet the needs of providing users with stable signaling data transmission services and to simplify the protocol stack as much as possible.
  • the host (Donor) DU When the host (Donor) DU receives the initial data packet of the intermediate IAB node (the IAB node between the last hop and the first hop), it parses the adaptation layer to obtain the IAB-Wireless Network Temporary Identity (Radio Network Tempory Identity). (RNTI) ID, and include it in the F1AP message corresponding to the first hop IAB node, for example, an uplink UL RRC message transfer message and send it to the Donor CU-CP entity corresponding to the first hop IAB (A CU-CP logical entity may contain one or more entities).
  • RNTI Radio Network Tempory Identity
  • the Donor central unit needs to select the Donor CU-CP entity for the intermediate IAB node (child node) F1AP and initiate the corresponding UE context establishment process.
  • the UE context creation request message needs to carry an indicator indicating that the context corresponding to the DU belongs to the IAB node, so that the IAB node activates corresponding functions, such as the adaptation layer and other functions.
  • the UE context creation request message also Need to include IAB-RNTI ID.
  • the Donor CU can be further divided into the host central unit control plane Donor CU-CP and the host central unit function plane Donor CU-UP.
  • the Radio Resource Control (RRC) setup message sent by the Donor CU-CP to the IAB child node needs to carry the IAB-RNTI ID assigned by the IAB parent node, so that the IAB parent node can be used as addressing when it subsequently adds an adaptation layer. Use of routes.
  • RRC Radio Resource Control
  • Embodiment 1 The signaling configuration process of a first-hop IAB node, as shown in FIG. 5, includes:
  • Step 1 The first-hop IAB node starts as a UE to establish an RRC connection with the network, that is, the IAB node first communicates with the network as an ordinary UE to establish an RRC connection.
  • Donor DU selects the appropriate Donor CU-CP entity as the IAB
  • the node provides the F1AP signaling service.
  • the Donor CU-CP entity will save the IAB node as the UE's identity C-RNTI ID and complete the corresponding RRC establishment process (through the RRC message on the uplink and downlink (UL / DL) of the IAB). transfer message).
  • Step 2 The Donor CU-CP entity initiates the UE context establishment process (establishing the signaling radio bearer (SRB) 2 and the OAM data radio bearer (DRB for OAM)), where the UE context request message needs to carry an indicator to indicate Donor
  • SRB signaling radio bearer
  • DRB OAM data radio bearer
  • the UE is an IAB node, so that the host distributed unit Donor DU can apply functions such as the adaptation layer to the data packet of the IAB node.
  • Step 3 The IAB node needs to obtain the IAB node identifier from the OAM configuration parameters, and the IAB node identifier is unique under each Donor CU.
  • Step 4 The IAB node will activate the F1AP and SRB signaling transmission channels for the DU part of the distributed unit of the IAB node.
  • the DU of the IAB needs to be able to pass the F1AP data packet through the specific SRB of the MT part, such as SRB1. It can also be transmitted to Donor CU-CP; it can also enable the DU of the IAB to transmit the SRB data packet from the UE to the IAB node through the specific SRB of the MT part of the mobile terminal of the IAB node, such as SRB1 / 2/3. Donor.
  • each IAB node includes two parts, a distributed unit DU and a mobile terminal MT.
  • Step 5 When the IAB node attempts to establish an F1 connection with the Donor CU-CP, the related IAB node ID of the IAB node is provided to the Donor CU-CP.
  • Step 6 The UE performs signaling transmission with Donor (including Donor CU-CP and Donor DU) through the IAB node.
  • Donor including Donor CU-CP and Donor DU
  • Step 7 Signal transmission is performed between the IAB node and the Donor CU-CP. This signaling is the F1 signaling that the UE needs to communicate normally.
  • Embodiment 2 The adaptation layer configuration process of the UE signaling carried in the intermediate IAB node, as shown in FIG. 6, includes:
  • Step 11 When the intermediate node IAB node 1 is used as the UE, start up and establish an RRC connection with the network. At this time, the DU part of the IAB node 2 that is the parent node will assign a unique identifier within the IAB node (that is, IAB node 2) to the UE. , Such as IAB-RNTI ID, and include this IAB-RNTI ID information in the adaptation layer (optional, or included in the F1AP message).
  • Step 12 When Donor DU receives the data packet containing the IAB-RNTI ID, it parses the adaptation layer to obtain the IAB-RNTI ID, and includes the IAB-RNTI ID in the F1AP message corresponding to IAB node 2. For example: UL RRC message transfer message, and send it to the corresponding Donor CU-CP entity.
  • Step 13 After the corresponding Donor CU-CP entity receives the RRC establishment message initiated by the IAB node 1 as the UE, it saves the IAB node 1 as the UE's identity IAB-RNTI ID and completes the corresponding RRC establishment process (through UL / IA / UL 2).
  • DL RRC message transfer message
  • the RRC establishment message carries the IAB-RNTI ID.
  • Step 14 The Donor CU-CP selects the Donor CU-CP entity for the IAB1F1AP and initiates the UE context establishment process for the IAB node1, and informs the Donor to establish the context information for the IAB node1, including the IAB-RNTI ID, and carrying instructions
  • the domain indicator indicates Donor DU, the UE is an IAB node, and Donor DU can apply functions such as the adaptation layer to the IAB data packet;
  • Step 15 IAB node1 needs to establish a PDU session to download the related configuration parameters of OAM, so the Donor CU-CP entity will initiate the UE context setup process for IAB node2, and this information is included in IAB node2 as a container.
  • the Donor CU-CP entity will initiate the UE context setup process for IAB node2, and this information is included in IAB node2 as a container.
  • the RRC message In the RRC message and transmit it to the IAB node 2 through the corresponding F1AP and SRB;
  • Step 16 The IAB node 1 obtains the IAB node identifier from the OAM configuration parameter, and the identifier is unique under each Donor CU.
  • Step 17 IAB node1 will activate the F1AP signaling / SRB signaling transmission channel for the Donor DU part.
  • the IAB's DU needs to be able to transmit F1AP data packets through the specific SRB of the MT part, such as SRB1, to Donor, or can send SRB data packets (such as SRB1) from the UE to Donor through a specific SRB of the MT part, such as SRB1.
  • step 17 may also be performed after step 11.
  • Step 18 When IAB node 1 attempts to establish an F1 connection with the Donor CU-CP entity, provide the relevant IAB node identifier to the Donor CU-CP entity. When constructing the adaptation layer, this IAB node identifier can be added to the adaptation layer. Add IAB-RNTI ID at the same time;
  • Step 19 Find the context corresponding to IAB node1 through the IAB-RNTI ID of the adaptation layer at Donor DU.
  • use the F1AP process such as the UL RRC message transfer message of IAB node1 to transfer this signaling packet.
  • the F1AP process such as the UL RRC message transfer message of IAB node1 to transfer this signaling packet.
  • Step 20 The corresponding Donor CU-CP entity parses the corresponding F1 message through the PDCP / RRC processing unit and hands it to the F1 access point (AP) for processing.
  • F1AP / RRC / PDCP are the main functional entities that constitute Donor CU-CP.
  • a data processing method provided by an embodiment of the present application includes:
  • sending the IAB-RNTI ID to the Donor CU-CP entity specifically includes:
  • the uplink radio resource control information transmission message is a F1AP message.
  • a data processing method provided by an embodiment of the present application includes:
  • the method further includes:
  • a Donor CU-CP entity that establishes an F1AP for the intermediate IAB node is selected, and the Donor CU-CP entity initiates a user equipment context establishment process for the intermediate IAB node to the Donor DU.
  • the user equipment context establishment request message in the user equipment context establishment process carries the IAB-RNTI ID and indication information used to indicate that the user equipment is an IAB node in the Donor DU.
  • a data processing method provided by an embodiment of the present application includes:
  • a data processing method provided by an embodiment of the present application includes:
  • the host central unit Donor CU determines an RRC reconfiguration message, where the message includes the mapping relationship of the signaling radio bearer;
  • Donor CU sends the RRC reconfiguration message to an intermediate IAB node.
  • mapping relationship includes:
  • the SRB for F1AP or UE is mapped to the signaling bearer corresponding to the intermediate IAB node.
  • An embodiment of the present application provides a computing device, and the computing device may specifically be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), and the like.
  • the computing device may include a central processing unit (CPU), memory, input / output devices, etc.
  • the input device may include a keyboard, mouse, touch screen, etc.
  • the output device may include a display device, such as a liquid crystal display (Liquid Crystal Display, LCD), cathode ray tube (Cathode Ray Tube, CRT) and so on.
  • the memory may include a read-only memory (ROM) and a random access memory (RAM), and provide the processor with program instructions and data stored in the memory.
  • ROM read-only memory
  • RAM random access memory
  • the memory may be used to store a program of any of the methods provided in the embodiments of the present application.
  • the processor invokes program instructions stored in the memory, and the processor is configured to execute any of the methods provided in the embodiments of the present application according to the obtained program instructions.
  • a computing device provided by an embodiment of the present application includes:
  • a memory 520 configured to store program instructions
  • the processor 500 is configured to call a program instruction stored in the memory and execute the program instruction according to the obtained program:
  • the transceiver 510 sends the IAB-RNTI ID to the host central unit control plane Donor CU-CP entity.
  • the transceiver 510 is configured to receive and send data under the control of the processor 500.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 500 and various circuits of the memory represented by the memory 520 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 510 may be multiple elements, including a transmitter and a transceiver, providing a unit for communicating with various other devices over a transmission medium.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 when performing operations.
  • the processor 500 may be a central embedded device (CPU), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (Complex Programmable Logic Device). , CPLD).
  • CPU central embedded device
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • CPLD complex programmable logic device
  • a computing device provided in this embodiment of the present application includes:
  • a memory 520 configured to store program instructions
  • the processor 500 is configured to call a program instruction stored in the memory and execute the program instruction according to the obtained program:
  • the intermediate integrated access and backhaul IAB node parent node obtains the integrated assigned by the parent node for the intermediate IAB node from the message.
  • the radio resource control RRC establishment message is sent to the IAB child node through the transceiver 510, where the IAB-RNTI ID is carried.
  • a computing device provided in this embodiment of the present application includes:
  • a memory 520 configured to store program instructions
  • the processor 500 is configured to call a program instruction stored in the memory and execute the program instruction according to the obtained program:
  • a computing device provided in this embodiment of the present application includes:
  • a memory 520 configured to store program instructions
  • the processor 500 is configured to call a program instruction stored in the memory and execute the program instruction according to the obtained program:
  • mapping relationship includes:
  • the SRB for F1AP or UE is mapped to the signaling bearer corresponding to the intermediate IAB node.
  • another data processing device provided by an embodiment of the present application includes:
  • a receiving unit 211 configured to receive a data packet sent by an intermediate integrated access and backhaul IAB node
  • the parsing unit 212 is configured to parse the data packet to obtain a comprehensive access and backhaul wireless network temporary identifier IAB-RNTI ID assigned by a parent node of the intermediate IAB node to the intermediate IAB node;
  • a sending unit 213 is configured to send the IAB-RNTI ID to the host central unit control plane Donor CU-CP entity.
  • another data processing device provided by an embodiment of the present application includes:
  • An obtaining unit 311 is configured to obtain an intermediate integrated access and backhaul IAB node parent node from the message when receiving an uplink radio resource control information transmission message of the host distributed unit Donor DU, and allocate the intermediate IAB node Integrated access and backhaul wireless network temporary identification IAB-RNTI ID;
  • the sending unit 312 is configured to send a radio resource control RRC establishment message to the IAB child node, where the IAB-RNTI ID is carried.
  • another data processing apparatus provided by an embodiment of the present application includes:
  • a determining unit 411 configured to determine that an F1 connection needs to be established with the host central unit Donor CU;
  • a sending unit 412 is configured to initiate a process of establishing an F1 connection with the Donor CU, and through this process, provide an integrated access and backhaul IAB node identifier allocated by the OAM to the Donor CU.
  • another data processing device provided by an embodiment of the present application includes:
  • a determining unit 511 configured to determine an RRC reconfiguration message, where the message includes a mapping relationship of a signaling radio bearer
  • a sending unit 512 is configured to send the RRC reconfiguration message to an intermediate IAB node.
  • the embodiment of the present application provides a computer storage medium for storing computer program instructions for the device provided in the foregoing embodiment of the present application, which includes a program for executing any method provided in the foregoing embodiment of the present application.
  • the computer storage medium may be any available medium or data storage device that can be accessed by a computer, including but not limited to magnetic storage (such as a floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD), etc.).
  • magnetic storage such as a floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD), etc.
  • the method provided in the embodiment of the present application can be applied to a terminal device or a network device.
  • the terminal device may also be referred to as User Equipment ("UE” for short), Mobile Station ("MS” for short), Mobile Terminal (Mobile), etc.
  • UE User Equipment
  • MS Mobile Station
  • Mobile Mobile
  • the terminal may be Have the ability to communicate with one or more core networks via a Radio Access Network (RAN).
  • RAN Radio Access Network
  • the terminal can be a mobile phone (or a "cellular" phone), or a computer with a mobile nature.
  • the terminal may also be a mobile device that is portable, compact, handheld, built-in computer, or on-board.
  • a network device may be a base station (for example, an access point), which refers to a device in an access network that communicates with a wireless terminal through one or more sectors on an air interface.
  • the base station can be used to convert the received air frames and IP packets to each other, and serve as a router between the wireless terminal and the rest of the access network, where the rest of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate the attribute management of the air interface.
  • the base station can be a base station (BTS, Base Station) in GSM or CDMA, or a base station (NodeB) in WCDMA, or an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B), or gNB, etc. in a 5G system. It is not limited in the embodiments of the present application.
  • the processing flow of the above method may be implemented by a software program, and the software program may be stored in a storage medium.
  • the stored software program is called, the above method steps are performed.
  • the embodiment of the present application provides an adaptation layer processing solution for a wireless backhaul network, so that when there is a wireless backhaul in a 5G network, reliable transmission of data bearers can be correctly performed on each hop wireless node to meet subsequent requirements.
  • the need to serve and transmit data to the UE improves system management efficiency.
  • this application may be provided as a method, a system, or a computer program product. Therefore, this application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, this application may take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) containing computer-usable program code.
  • computer-usable storage media including, but not limited to, magnetic disk storage, optical storage, and the like
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a specific manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions
  • the device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.

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Abstract

La présente invention concerne un procédé et un dispositif de traitement de données permettant une transmission fiable de données transportées sur chaque nœud sans fil de saut lorsqu'une liaison terrestre sans fil est présente dans un réseau 5G, satisfaisant ainsi les exigences suivantes pour des services de terminal et une transmission de données et améliorant l'efficacité de gestion de système. Des modes de réalisation de la présente invention concernent un procédé de traitement de données au niveau d'un côté d'unité distribuée de type donneur (UD de type donneur), le procédé consistant à : recevoir un paquet de données transmis par un nœud intermédiaire d'accès intégré et de liaison terrestre (IAB) ; analyser le paquet de données, et obtenir un identifiant temporaire de réseau radio d'accès intégré et de liaison terrestre (identifiant IAB-RNTI) attribué par un nœud parent du nœud IAB intermédiaire au nœud IAB intermédiaire ; et transmettre l'identifiant IAB-RNTI à une entité d'un plan de commande d'unité centrale de type donneur (PC-UC de type donneur).
PCT/CN2019/077217 2018-06-26 2019-03-06 Procédé et dispositif de traitement de données WO2020001064A1 (fr)

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