WO2019153295A1 - 移动通信系统、方法及装置 - Google Patents

移动通信系统、方法及装置 Download PDF

Info

Publication number
WO2019153295A1
WO2019153295A1 PCT/CN2018/076243 CN2018076243W WO2019153295A1 WO 2019153295 A1 WO2019153295 A1 WO 2019153295A1 CN 2018076243 W CN2018076243 W CN 2018076243W WO 2019153295 A1 WO2019153295 A1 WO 2019153295A1
Authority
WO
WIPO (PCT)
Prior art keywords
node
relay
terminal
relay node
pdcp pdu
Prior art date
Application number
PCT/CN2018/076243
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
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 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 KR1020207024948A priority Critical patent/KR102350842B1/ko
Priority to CN202010925445.6A priority patent/CN112040565B/zh
Priority to EP18904549.5A priority patent/EP3737204B1/en
Priority to JP2020542253A priority patent/JP7073509B2/ja
Priority to AU2018407956A priority patent/AU2018407956B2/en
Priority to PCT/CN2018/076243 priority patent/WO2019153295A1/zh
Priority to CN201880087847.4A priority patent/CN111656855A/zh
Priority to TW108104293A priority patent/TW201935992A/zh
Publication of WO2019153295A1 publication Critical patent/WO2019153295A1/zh
Priority to US16/984,834 priority patent/US11805464B2/en

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H04W28/065Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/12Setup of transport tunnels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/042Public Land Mobile systems, e.g. cellular systems
    • H04W84/047Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/22Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/042Public Land Mobile systems, e.g. cellular systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communications technologies, and in particular, to a mobile communication system, method, and apparatus.
  • a terminal can communicate with a network side through a relay node.
  • the relay node is connected to the primary cell through a wireless connection.
  • a relay node is a low power base station that is wirelessly connected to the rest of the network.
  • the embodiment of the present application provides a mobile communication system, method and device.
  • the embodiment of the present application provides a mobile communication system, where the system includes: an anchor node, a master node, a relay network, and a terminal, where:
  • the anchor node is connected to the master node by a fixed connection, and the anchor node is an anchor point of a user plane and/or a control plane;
  • the master node is connected to the relay network by using a first wireless connection, and the relay network is connected to the terminal by using a second wireless connection;
  • the relay network includes at least one relay node, wherein the at least one relay node has a first relay node directly connected to the primary node, and a second relay directly connected to the terminal node.
  • an embodiment of the present application provides a data transmission method, which is applied to an anchor node of a mobile communication system, where the mobile communication system includes the anchor node, a master node, a relay network, and a terminal; wherein the anchor The node is an anchor point of a user plane and/or a control plane, the master node is connected to the relay network by a first wireless connection, and the relay network is connected to the terminal by a second wireless connection, the relay The network includes at least one relay node, wherein the at least one relay node has a first relay node directly connected to the master node, and a second relay node directly connected to the terminal;
  • the method includes:
  • PDU Protocol Data Unit
  • PDCP Packet Data Convergence Protocol
  • the first PDCP PDU is sent to the primary node by a fixed connection with the primary node.
  • an embodiment of the present application provides a data transmission method, which is applied to a primary node of a mobile communication system, where the mobile communication system includes an anchor node, the primary node, a relay network, and a terminal; wherein the anchor The node is an anchor point of a user plane and/or a control plane, the master node is connected to the relay network by a first wireless connection, and the relay network is connected to the terminal by a second wireless connection, the relay The network includes at least one relay node, wherein the at least one relay node has a first relay node directly connected to the master node, and a second relay node directly connected to the terminal;
  • the method includes:
  • the embodiment of the present application provides a data transmission method, which is applied to a first relay node of a mobile communication system, where the mobile communication system includes an anchor node, a master node, a relay network, and a terminal;
  • the anchor node is an anchor point of the user plane and/or the control plane, and the anchor node is connected to the master node by a fixed connection, and the master node is connected to the relay network by using a first wireless connection, the relay network Connected to the terminal by a second wireless connection, the relay network includes at least one relay node, the first relay node directly connected to the primary node exists in the at least one relay node, and exists a second relay node directly connected to the terminal;
  • the method includes:
  • the embodiment of the present application provides a data transmission method, which is applied to a second relay node of a mobile communication system, where the mobile communication system includes an anchor node, a master node, a relay network, and a terminal;
  • the anchor node is an anchor point of the user plane and/or the control plane, and the anchor node is connected to the master node by a fixed connection, and the master node is connected to the relay network by using a first wireless connection, the relay network Connected to the terminal by a second wireless connection, the relay network includes at least one relay node, and the first relay node directly connected to the primary node exists in the at least one relay node, and the presence and the presence Said second relay node directly connected to the terminal;
  • the method includes:
  • the embodiment of the present application provides a data transmission apparatus, which is applied to an anchor node of a mobile communication system, where the mobile communication system includes the anchor node, a master node, a relay network, and a terminal; wherein the anchor The node is an anchor point of a user plane and/or a control plane, the master node is connected to the relay network by a first wireless connection, and the relay network is connected to the terminal by a second wireless connection, the relay The network includes at least one relay node, wherein the at least one relay node has a first relay node directly connected to the master node, and a second relay node directly connected to the terminal;
  • the device includes:
  • a processing module configured to generate a corresponding first PDCP PDU for the terminal
  • a sending module configured to send the first PDCP PDU to the primary node by using a fixed connection with the primary node.
  • the embodiment of the present application provides a data transmission apparatus, which is applied to a primary node of a mobile communication system, where the mobile communication system includes an anchor node, the master node, a relay network, and a terminal; wherein the anchor The node is an anchor point of a user plane and/or a control plane, the master node is connected to the relay network by a first wireless connection, and the relay network is connected to the terminal by a second wireless connection, the relay The network includes at least one relay node, wherein the at least one relay node has a first relay node directly connected to the master node, and a second relay node directly connected to the terminal;
  • the device includes:
  • a receiving module configured to receive, by using a fixed connection with the anchor node, a first PDCP PDU sent by the anchor node;
  • a processing module configured to add a first packet header to the first PDCP PDU, where the first packet header is used to support transmitting the first PDCP PDU in the relay network to the second Relay node
  • a sending module configured to send, to the first relay node, the first PDCP PDU that is added with the first packet header.
  • the embodiment of the present application provides a data transmission apparatus, which is applied to a first relay node of a mobile communication system, where the mobile communication system includes an anchor node, a master node, a relay network, and a terminal;
  • the anchor node is an anchor point of the user plane and/or the control plane, and the anchor node is connected to the master node by a fixed connection, and the master node is connected to the relay network by using a first wireless connection, the relay network Connected to the terminal by a second wireless connection, the relay network includes at least one relay node, the first relay node directly connected to the primary node exists in the at least one relay node, and exists a second relay node directly connected to the terminal;
  • the device includes:
  • a receiving module configured to receive a first PDCP PDU sent by the primary node
  • a sending module configured to send the first PDCP PDU to the second relay node.
  • the embodiment of the present application provides a data transmission apparatus, which is applied to a second relay node of a mobile communication system, where the mobile communication system includes an anchor node, a master node, a relay network, and a terminal;
  • the anchor node is an anchor point of the user plane and/or the control plane, and the anchor node is connected to the master node by a fixed connection, and the master node is connected to the relay network by using a first wireless connection, the relay network Connected to the terminal by a second wireless connection, the relay network includes at least one relay node, and the first relay node directly connected to the primary node exists in the at least one relay node, and the presence and the presence Said second relay node directly connected to the terminal;
  • the device includes:
  • a receiving module configured to receive a first PDCP PDU sent by the first relay node
  • a sending module configured to send the first PDCP PDU to the terminal.
  • an embodiment of the present application provides an anchor node, where the anchor node includes a processor and a memory, where the memory stores at least one instruction, where the at least one instruction is used by the processor to implement the foregoing Data transmission method on the anchor node side.
  • an embodiment of the present application provides a master node, where the master node includes a processor and a memory, where the memory stores at least one instruction, where the at least one instruction is used by the processor to implement the foregoing Data transmission method on the master node side.
  • an embodiment of the present application provides a relay node, where the relay node includes a processor and a memory, where the memory stores at least one instruction, where the at least one instruction is used by the processor to implement The above-mentioned data transmission method on the relay node side.
  • an embodiment of the present application provides a computer readable storage medium, where the storage medium stores at least one instruction, where the at least one instruction is used by a processor to implement the data transmission method related to the anchor node side.
  • an embodiment of the present application provides a computer readable storage medium, where the storage medium stores at least one instruction, where the at least one instruction is used by a processor to implement the foregoing data transmission method on a primary node side.
  • an embodiment of the present application provides a computer readable storage medium, where the storage medium stores at least one instruction, where the at least one instruction is used by a processor to implement the foregoing data transmission method on a relay node side. .
  • a relay technology suitable for a 5G system which implements route transmission and multi-hop transmission of a relay node to a primary node.
  • FIG. 1 is a schematic structural diagram of a mobile communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a radio protocol stack of a relay node according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a wireless protocol stack of each device shown in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a wireless protocol stack of each device shown in another embodiment of the present application.
  • FIG. 5 is a flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 6 is a block diagram of a data transmission apparatus according to an embodiment of the present application.
  • FIG. 7 is a block diagram of a data transmission apparatus according to another embodiment of the present application.
  • FIG. 8 is a block diagram of a data transmission apparatus according to another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an anchor node according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a master node according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a relay node according to an embodiment of the present application.
  • a “module” as referred to herein generally refers to a program or instruction stored in a memory that is capable of performing certain functions;
  • "unit” as referred to herein generally refers to a functional structure that is logically divided, the "unit” It can be implemented by pure hardware or a combination of hardware and software.
  • Multiple as referred to herein means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character “/” generally indicates that the contextual object is an "or” relationship.
  • the words “first”, “second” and similar terms used in the specification and claims of the present application do not denote any order, quantity, or importance, but are merely used to distinguish different components.
  • FIG. 1 is a schematic structural diagram of a mobile communication system according to an embodiment of the present application.
  • the mobile communication system may be a 5th Generation (5G) system, also known as an NR system.
  • the mobile communication system may include an anchor node 10, a donor node 20, a relay network 30, and a terminal 40.
  • 5G 5th Generation
  • the mobile communication system may include an anchor node 10, a donor node 20, a relay network 30, and a terminal 40.
  • the anchor node 10 is an anchor point for the user plane and/or the control plane.
  • the anchor node 10 can be connected to the core network element.
  • the anchor node 10 serves as an anchor point of the user plane to interface with a User Plane Function (UPF), and/or the anchor node 10 serves as an anchor point of the control plane.
  • UPF User Plane Function
  • AMF Access and Mobility Management Function
  • the anchor node 10 is connected to the master node 20 by a fixed connection.
  • the fixed connection may also be referred to as a wired connection or a physical connection, for example, the anchor node 10 and the primary node 20 are connected by a communication cable.
  • the master node 20 is connected to the relay network 30 via a first wireless connection.
  • the master node 20 and the relay node 31 in the relay network 30 communicate with each other through air interface technology.
  • Both the anchor node 10 and the master node 20 may be access network devices, such as a base station (BS).
  • the access network device is deployed in the radio access network to provide wireless communication functions for the terminal 40.
  • the relay network 30 is connected to the terminal 40 via a second wireless connection.
  • the terminal 40 and the relay node 31 in the relay network 30 can also communicate with each other through the air interface technology.
  • the terminal 40 may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and various forms of User Equipment (UE), mobile stations ( Mobile Station, MS), terminal device, etc.
  • UE User Equipment
  • MS Mobile Station
  • terminal device etc.
  • the relay network 30 includes at least one relay node 31, in which there is a first relay node (represented by reference numeral 32 in the figure) directly connected to the master node 20, and there is a direct connection with the terminal 40.
  • the second relay node (indicated by reference numeral 33 in the figure).
  • the first relay node 32 and the second relay node 33 may be the same relay node or two different relay nodes.
  • two or more relay nodes 31 are included in the relay network 30, and the two or more relay nodes 31 may form the relay network 30 by using an ad hoc network technology.
  • Data can be transmitted between the anchor node 10 and the terminal 40 through the master node 20 and the relay network 30.
  • the anchor node 10 is configured to generate a corresponding first PDCP PDU for the terminal 40, and send the first PDCP PDU to the primary node 20 by using the fixed connection.
  • the first PDCP PDU may be a PDCP PDU of a control plane or a PDCP PDU of a user plane.
  • the master node 20 is configured to receive the first PDCP PDU sent by the anchor node 10, and add a first packet header to the first PDCP PDU.
  • the first packet header is used to support the transmission of the first PDCP PDU in the relay network 30 to the second relay node 33, that is, the relay node serving the terminal 40.
  • the first packet header is used to implement route transmission and multi-hop transmission of the first PDCP PDU.
  • routing transmission and multi-hop transmission of the first PDCP PDU are implemented by the first packet header.
  • the two ends of the above path are the main node 20 and the second relay node 33.
  • the path includes, in addition to the first relay node 32 and the second relay node 33, optionally at least one other relay node 31. .
  • the master node 20 is further configured to add a second packet header on the first PDCP PDU before adding the first packet header to the first PDCP PDU.
  • the first PDCP PDU after adding the second packet header is referred to as a second PDCP PDU.
  • the second packet header is used to multiplex the PDU session of at least two terminals 40 to the same PDCP connection, and the PDCP connection is established between the primary node 20 and the second relay node 33.
  • the second packet header is a PDCP packet header.
  • the master node 20 is further configured to add a third packet header on the first PDCP PDU before adding the first packet header to the first PDCP PDU.
  • the first PDCP PDU after adding the third packet header is referred to as a third PDCP PDU.
  • the third packet header is used to distinguish PDU sessions of at least two terminals 40.
  • the third packet header is a General Packet Radio Service Turning Protocol (GTP) packet header and/or a User Datagram Protocol (UDP) packet header and/or an Internet protocol. (Internet Protocol, IP) message header.
  • GTP General Packet Radio Service Turning Protocol
  • UDP User Datagram Protocol
  • IP Internet Protocol
  • the terminal 40 may establish any one or more of the following bearers:
  • a signaling radio bearer (SRB) 1/2 is established between the terminal 40 and the anchor node 10; and/or SRB 1/2 is established between the terminal 40 and the master node 20;
  • SRB3 is established between the terminal 40 and the second relay node 33;
  • the radio link control bearer (RLC Bearer) of the primary base station group MCG is established between the terminal 40 and the anchor node 10;
  • the RLC Bearer of the secondary base station group SCG is established between the terminal 40 and the second relay node 33.
  • the second relay node 33 may establish any one or more of the following bearers:
  • SRB 1/2 is established between the second relay node 33 and the anchor node 10; and/or SRB 1/2 is established between the second relay node 33 and the first relay node 32;
  • SRB3 is established between the second relay node 33 and the first relay node 32;
  • the RLC Bearer of the SCG is established between the second relay node 33 and the first relay node 32.
  • SRB3 may also be established between it and the master node 20.
  • SRB 1/2 can be used to implement a signaling transmission function.
  • SRB1 can be used to transmit Radio Resource Control (RRC) messages, which have a higher priority than SRB2 before SRB2 is established.
  • RRC Radio Resource Control
  • SRB2 can be used to transmit Non-Access Stratum (NAS) messages, has a lower priority than SRB1, and usually configures SRB2 after the security mode is activated.
  • SRB3 is used to implement signaling transmission functions related to MCG.
  • a relay protocol stack X is disposed in each of the relay nodes 31 in the relay network 30.
  • the relay protocol stack X is configured to determine, according to the first packet header, a processing operation on the first PDCP PDU, where the processing operation includes: forwarding to a higher layer protocol stack of the relay node 31, or forwarding to the relay network 30.
  • the high layer protocol stack is a protocol stack located on a layer of the relay protocol stack X.
  • the first relay node 32 Taking the first relay node 32 as an example, if the first relay node 32 decides to forward the first PDCP PDU to the other relay node 31, the first PDCP PDU is no longer forwarded to the upper layer of the first relay node 32. Processing in the protocol stack.
  • the relay protocol stack X is located on the upper layer of the RLC protocol stack.
  • the relay protocol stack X is located below the PDCP protocol stack.
  • the relay protocol stack X is located between the RLC protocol stack and the PDCP protocol stack.
  • the wireless protocol stack of the relay node 31 includes, in order from bottom to top, a physical layer (Physical Layer, PHY) protocol stack, a medium access control (MAC) protocol stack, and an RLC. Protocol stack, trunk protocol stack X and PDCP protocol stack.
  • the relay protocol stack X may also belong to the same layer as the PDCP protocol stack.
  • the first PDCP PDU is transmitted between the primary node 20 and the first relay node 32 using an Automatic Repeat-ReQuest (ARQ) retransmission mechanism; the first PDCP PDU is The first relay node 32 and the second relay node 33 use an ARQ retransmission mechanism for transmission. That is, between the primary node 20 and the first relay node 32, between the first relay node 32 and the second relay node 33, ARQ retransmission is performed point-to-point to ensure lossless transmission.
  • ARQ Automatic Repeat-ReQuest
  • the first PDCP PDU employs end-to-end encrypted transmission and/or integrity protection and/or data retransmission between the anchor node 10 and the terminal 40.
  • the second PDCP PDU employs end-to-end encrypted transmission and/or integrity protection and/or data retransmission between the primary node 20 and the second relay node 33.
  • FIG. 3 a schematic diagram of a wireless protocol stack of each device in a mobile communication system according to an exemplary embodiment of the present application is shown.
  • a first Data Radio Bearer (DRB) corresponding to the terminal 40 exists between the anchor node 10 and the terminal 40.
  • the anchor node 10 transmits the data flow corresponding to the terminal 40 to the terminal 40 in the first DRB.
  • the second relay node 33 does not perform GTP layer processing on the data stream, which transparently transmits the data stream to the terminal 40.
  • FIG. 4 there is shown a schematic diagram of a wireless protocol stack of each device in a mobile communication system shown by another exemplary embodiment of the present application.
  • the anchor node 10 transmits the data stream corresponding to the terminal 40 to the second relay node 33 in the second DRB, and the second relay node 33 transmits the data stream to the terminal 40.
  • the second relay node 33 performs GTP processing on the data stream and sends the data stream to the terminal 40.
  • the second DRB carries a data flow corresponding to at least two terminals 40.
  • the relay node 31 (such as the first relay node 32 and the second relay node 33) in the relay network 30 serves as a distributed unit (DU) through the first interface and the primary interface.
  • DU distributed unit
  • Nodes 20 are connected, and the first interface is a centralized-distribution (CU-DU) interface.
  • CU-DU centralized-distribution
  • the relay node 31 (such as the first relay node 32 and the second relay node 33) in the relay network 30 passes as a base station (in a 5G system, the base station may be referred to as a gNB).
  • the second interface is connected to the master node 20, which is an N2, N3 or Xn interface.
  • the relay node 31 in the relay network 30 accesses the target node according to the first access mode, and acquires network configuration information by using the target node, where the first access mode is a terminal type access mode.
  • the relay node 31 in the relay network 30 obtains network configuration information through the target node, and accesses the primary node 20 according to the second access mode according to the network configuration information, where the second access mode is a relay node type. Access method.
  • the network configuration information may include related parameters of the second access mode, such as which nodes can be accessed.
  • a relay technology suitable for a 5G system which implements route transmission and multi-hop transmission from a relay node to a master node.
  • FIG. 5 is a flowchart of a data transmission method provided by an embodiment of the present application. This method can be applied to the mobile communication system shown in FIG. 1. The method can include the following steps:
  • step 501 the anchor node 10 generates a corresponding first PDCP PDU for the terminal 40.
  • step 502 the anchor node 10 transmits the first PDCP PDU to the master node 20 through a fixed connection with the master node 20.
  • step 503 the master node 20 adds a first packet header to the first PDCP PDU.
  • the first header is used to support transmission of the first PDCP PDU in the relay network 30 to the second relay node 33.
  • the first packet header is used to implement route transmission and multi-hop transmission for the first PDCP PDU.
  • step 504 the master node 20 sends the first PDCP PDU to which the first packet header is added to the first relay node 32.
  • Step 505 the first relay node 32 sends the first PDCP PDU to the second relay node 33.
  • step 506 the second relay node 33 sends the first PDCP PDU to the terminal 40.
  • a relay technology suitable for a 5G system which implements route transmission and multi-hop transmission from a relay node to a master node.
  • the step of the node 10 can be implemented as a data transmission method on the side of the anchor node 10, and the step of the main node 20 can be separately implemented as a data transmission method on the side of the master node 20.
  • the step of the first relay node 32 can be performed.
  • the data transmission method on the side of the first relay node 32 is implemented separately, and the step of the second relay node 33 can be separately implemented as the data transmission method on the side of the second relay node 33.
  • the step of the terminal 40 can be performed.
  • the data transmission method on the side of the terminal 40 is implemented separately.
  • FIG. 6 shows a block diagram of a data transmission apparatus provided by an embodiment of the present application.
  • the apparatus has the function of implementing the anchor node 10 in the above described method and system examples, which may be implemented by hardware or by software executing corresponding software.
  • the device can include:
  • the processing module 610 is configured to generate a corresponding first PDCP PDU for the terminal 40;
  • the sending module 620 is configured to send the first PDCP PDU to the primary node 20 by using a fixed connection with the primary node 20.
  • the sending module 620 is further configured to transmit the data stream corresponding to the terminal 40 to the second relay node 33 in the first DRB, where the second relay node 33 sends the data stream. To the terminal 40.
  • a second DRB corresponding to the second relay node 33 exists between the anchor node 10 and the second relay node 33;
  • the sending module 620 is further configured to transmit the data stream corresponding to the terminal 40 to the second relay node 33 in the second DRB, where the second relay node 33 uses the data.
  • the stream is GTP processed and sent to the terminal 40.
  • FIG. 7 shows a block diagram of a data transmission apparatus provided by another embodiment of the present application.
  • the apparatus has the function of implementing the master node 20 in the above method and system example, and the functions may be implemented by hardware or by hardware to execute corresponding software.
  • the device can include:
  • the receiving module 710 is configured to receive, by using a fixed connection with the anchor node 10, the first PDCP PDU sent by the anchor node 10;
  • the processing module 720 is configured to add a first packet header to the first PDCP PDU, where the first packet header is used to support transmitting the first PDCP PDU in the relay network 30 to the a second relay node 33;
  • the sending module 730 is configured to send, to the first relay node 32, the first PDCP PDU that is added with the first packet header.
  • the first packet header is used to implement route transmission and multi-hop transmission of the first PDCP PDU.
  • the processing module 720 is further configured to add a second packet header to the first PDCP PDU, where the second packet header is used to connect at least two terminals 40.
  • the PDU sessions are multiplexed to the same PDCP connection, which is established between the primary node 20 and the second relay node 33.
  • the processing module 720 is further configured to add a third packet header to the first PDCP PDU, where the third packet header is used to distinguish at least two terminals 40. PDU session.
  • FIG. 8 shows a block diagram of a data transmission apparatus provided by another embodiment of the present application.
  • the apparatus has the function of implementing the relay node 31 (such as the first relay node 32 or the second relay node 33) in the above method and system example, and the function may be implemented by hardware, or the corresponding software may be executed by hardware.
  • the apparatus may include: a receiving module 810, a processing module 820, and a sending module 830.
  • the receiving module 810 is configured to receive the first PDCP PDU sent by the primary node 20, and the sending module 830 is configured to send the second relay Node 33 transmits the first PDCP PDU.
  • the processing module 820 is configured to determine, according to the first packet header of the first PDCP PDU, a processing operation for the PDCP PDU, where the processing operation includes: forwarding to the first relay node a high-level protocol stack of 32, or forwarded to the second relay node 33 in the relay network 30;
  • the sending module 830 is further configured to: when the processing module 820 determines that the processing operation for the first PDCP PDU is to be forwarded to the second relay node 33, send the location to the second relay node 33 The first PDCP PDU is described.
  • the receiving module 810 is configured to receive the PDCP PDU sent by the first relay node 32, and the sending module 830 is configured to send the terminal to the terminal 40.
  • the PDCP PDU is configured to send the terminal to the terminal 40.
  • FIG. 9 is a schematic structural diagram of an anchor node 10 provided by an embodiment of the present application.
  • the anchor node 10 may include a processor 101 , a receiver 102 , a transmitter 103 , a memory 104 , and a bus 105 .
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 can be implemented as a communication component, which can be a communication chip.
  • the memory 104 is coupled to the processor 101 via a bus 105.
  • the memory 104 can be used to store at least one instruction, and the processor 101 is configured to execute the at least one instruction to implement the various steps performed by the anchor node 10 in the above method embodiments.
  • memory 104 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, including, but not limited to, a magnetic or optical disk, electrically erasable and programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Anytime Access Memory (SRAM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Programmable Read Only Memory (PROM) .
  • EEPROM electrically erasable and programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Anytime Access Memory
  • ROM Read Only Memory
  • Magnetic Memory Magnetic Memory
  • Flash Memory Programmable Read Only Memory
  • FIG. 10 is a schematic structural diagram of a master node 20 provided by an embodiment of the present application.
  • the master node 20 may include a processor 111 , a receiver 112 , a transmitter 113 , a memory 114 , and a bus 115 .
  • the processor 111 includes one or more processing cores, and the processor 111 executes various functional applications and information processing by running software programs and modules.
  • Receiver 112 and transmitter 113 can be implemented as a communication component, which can be a communication chip.
  • the memory 114 is coupled to the processor 111 via a bus 115.
  • the memory 114 can be used to store at least one instruction, and the processor 111 is configured to execute the at least one instruction to implement the various steps performed by the master node 20 in the above method embodiment.
  • memory 114 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, including, but not limited to, a magnetic or optical disk, electrically erasable and programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Anytime Access Memory (SRAM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Programmable Read Only Memory (PROM) .
  • EEPROM electrically erasable and programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Anytime Access Memory
  • ROM Read Only Memory
  • Magnetic Memory Magnetic Memory
  • Flash Memory Programmable Read Only Memory
  • FIG. 11 is a schematic structural diagram of a relay node 31 according to an embodiment of the present application.
  • the relay node 31 may include a processor 121 , a receiver 122 , a transmitter 123 , a memory 124 , and a bus 125 .
  • the processor 121 includes one or more processing cores, and the processor 121 executes various functional applications and information processing by running software programs and modules.
  • Receiver 122 and transmitter 123 can be implemented as a communication component, which can be a communication chip.
  • the memory 124 is coupled to the processor 121 via a bus 125.
  • the memory 124 is configured to store at least one instruction
  • the processor 121 is configured to execute the at least one instruction to implement the execution of the relay node 31 (including the first relay node 32 and the second relay node 33) in the foregoing method embodiment. Each step.
  • memory 124 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, including, but not limited to, a magnetic or optical disk, electrically erasable and programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Anytime Access Memory (SRAM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Programmable Read Only Memory (PROM) .
  • EEPROM electrically erasable and programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Anytime Access Memory
  • ROM Read Only Memory
  • Magnetic Memory Magnetic Memory
  • Flash Memory Programmable Read Only Memory
  • the embodiment of the present application further provides a computer readable storage medium, where the storage medium stores at least one instruction, and the at least one instruction is loaded and executed by a processor to implement the data transmission method provided by the foregoing method embodiments.
  • the present application also provides a computer program product that, when run on a computer, causes the computer to perform the data transfer method provided by the various method embodiments described above.
  • the functions described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.

Abstract

本申请提供了一种移动通信系统、方法及装置,涉及通信技术领域。所述系统包括:锚节点、主节点、中继网络和终端,其中:所述锚节点与所述主节点通过固定连接相连,所述锚节点是用户面和/或控制面的锚点;所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连;其中,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点。本申请提供了一种适用于5G系统的中继技术,实现了中继节点到主节点的路由传输和多跳传输。

Description

移动通信系统、方法及装置 技术领域
本申请实施例涉及通信技术领域,特别涉及一种移动通信系统、方法及装置。
背景技术
在长期演进(Long-Term Evolution,LTE)系统中,终端可以通过一个中继节点(Relay Node)与网络侧进行通信。其中,中继节点通过无线连接与主小区相连。本质上,中继节点是一种低功率基站,并以无线的方式连接到网络的其余部分。
目前,尚不存在适用于新空口(New Radio,NR)系统的中继技术。
发明内容
本申请实施例提供了一种移动通信系统、方法及装置。
一方面,本申请实施例提供一种移动通信系统,所述系统包括:锚节点、主节点、中继网络和终端,其中:
所述锚节点与所述主节点通过固定连接相连,所述锚节点是用户面和/或控制面的锚点;
所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连;
其中,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点。
另一方面,本申请实施例提供一种数据传输方法,应用于移动通信系统的锚节点中,所述移动通信系统包括所述锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
所述方法包括:
针对所述终端产生对应的第一分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)的协议数据单元(Protocol Data Unit,PDU);
通过与所述主节点间的固定连接向所述主节点发送所述第一PDCP PDU。
另一方面,本申请实施例提供一种数据传输方法,应用于移动通信系统的主节点中,所述移动通信系统包括锚节点、所述主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
所述方法包括:
通过与所述锚节点间的固定连接接收所述锚节点发送的第一PDCP PDU;
在所述第一PDCP PDU上添加第一报文头,所述第一报文头用于支持将所述第一PDCP PDU在所述中继网络中传输至所述第二中继节点;
向所述第一中继节点发送添加有所述第一报文头的所述第一PDCP PDU。
另一方面,本申请实施例提供一种数据传输方法,应用于移动通信系统的第一中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述 中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的所述第一中继节点,以及存在与所述终端直连的第二中继节点;
所述方法包括:
接收所述主节点发送的第一PDCP PDU;
向所述第二中继节点发送所述第一PDCP PDU。
另一方面,本申请实施例提供一种数据传输方法,应用于移动通信系统的第二中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的所述第二中继节点;
所述方法包括:
接收所述第一中继节点发送的第一PDCP PDU;
向所述终端发送所述第一PDCP PDU。
再一方面,本申请实施例提供一种数据传输装置,应用于移动通信系统的锚节点中,所述移动通信系统包括所述锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
所述装置包括:
处理模块,用于针对所述终端产生对应的第一PDCP PDU;
发送模块,用于通过与所述主节点间的固定连接向所述主节点发送所述第一PDCP PDU。
再一方面,本申请实施例提供一种数据传输装置,应用于移动通信系统的主节点中,所述移动通信系统包括锚节点、所述主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
所述装置包括:
接收模块,用于通过与所述锚节点间的固定连接接收所述锚节点发送的第一PDCP PDU;
处理模块,用于在所述第一PDCP PDU上添加第一报文头,所述第一报文头用于支持将所述第一PDCP PDU在所述中继网络中传输至所述第二中继节点;
发送模块,用于向所述第一中继节点发送添加有所述第一报文头的所述第一PDCP PDU。
再一方面,本申请实施例提供一种数据传输装置,应用于移动通信系统的第一中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的所述第一中继节点,以及存在与所述终端直连的第二中继节点;
所述装置包括:
接收模块,用于接收所述主节点发送的第一PDCP PDU;
发送模块,用于向所述第二中继节点发送所述第一PDCP PDU。
再一方面,本申请实施例提供一种数据传输装置,应用于移动通信系统的第二中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的所述第二中继节点;
所述装置包括:
接收模块,用于接收所述第一中继节点发送的第一PDCP PDU;
发送模块,用于向所述终端发送所述第一PDCP PDU。
又一方面,本申请实施例提供一种锚节点,所述锚节点包括处理器和存储器,所述存储器存储有至少一条指令,所述至少一条指令用于被所述处理器执行以实现上述有关锚节点侧的数据传输方法。
又一方面,本申请实施例提供一种主节点,所述主节点包括处理器和存储器,所述存储器存储有至少一条指令,所述至少一条指令用于被所述处理器执行以实现上述有关主节点侧的数据传输方法。
又一方面,本申请实施例提供一种中继节点,所述中继节点包括处理器和存储器,所述存储器存储有至少一条指令,所述至少一条指令用于被所述处理器执行以实现上述有关中继节点侧的数据传输方法。
还一方面,本申请实施例提供一种计算机可读存储介质,所述存储介质存储有至少一条指令,所述至少一条指令用于被处理器执行以实现上述有关锚节点侧的数据传输方法。
还一方面,本申请实施例提供一种计算机可读存储介质,所述存储介质存储有至少一条指令,所述至少一条指令用于被处理器执行以实现上述有关主节点侧的数据传输方法。
还一方面,本申请实施例提供一种计算机可读存储介质,所述存储介质存储有至少一条指令,所述至少一条指令用于被处理器执行以实现上述有关中继节点侧的数据传输方法。
本申请实施例提供的方案中,提供了一种适用于5G系统的中继技术,实现了中继节点到主节点的路由传输和多跳传输。
附图说明
图1是本申请一个实施例提供的移动通信系统的结构示意图;
图2是本申请一个实施例示出的中继节点的无线协议栈的示意图;
图3是本申请一个实施例示出的各个设备的无线协议栈的示意图;
图4是本申请另一个实施例示出的各个设备的无线协议栈的示意图;
图5是本申请一个实施例提供的数据传输方法的流程图;
图6是本申请一个实施例提供的数据传输装置的框图;
图7是本申请另一个实施例提供的数据传输装置的框图;
图8是本申请另一个实施例提供的数据传输装置的框图;
图9是本申请一个实施例提供的锚节点的结构示意图;
图10是本申请一个实施例提供的主节点的结构示意图;
图11是本申请一个实施例提供的中继节点的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合附图对本申请实施方式作进一步地详细描述。
在本文提及的“模块”通常是指存储在存储器中的能够实现某些功能的程序或指令;在本文中提及的“单元”通常是指按照逻辑划分的功能性结构,该“单元”可以由纯硬件实现,或者, 软硬件的结合实现。
在本文中提及的“多个”是指两个或两个以上。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。本申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性,而只是用来区分不同的组成部分。
请参考图1,其示出了本申请一个实施例提供的移动通信系统的结构示意图。该移动通信系统可以是第五代(5th Generation,5G)系统,又称NR系统。该移动通信系统可以包括:锚节点(anchor node)10、主节点(donor node)20、中继网络30和终端40。
锚节点10是用户面和/或控制面的锚点。锚节点10可以与核心网网元对接,例如,锚节点10作为用户面的锚点与用户面功能实体(User Plane Function,UPF)对接,和/或,锚节点10作为控制面的锚点与接入和移动性管理功能实体(Access and Mobility management Function,AMF)对接。锚节点10与主节点20通过固定连接相连。固定连接也可以称为有线连接或物理连接,例如锚节点10与主节点20之间通过通信线缆相连。
主节点20与中继网络30通过第一无线连接相连。例如,主节点20与中继网络30中的中继节点31之间通过空口技术实现互相通信。
锚节点10和主节点20均可以是接入网设备,如基站(Base Station,BS)。接入网设备部署在无线接入网中用以为终端40提供无线通信功能。
中继网络30与终端40通过第二无线连接相连。例如,终端40与中继网络30中的中继节点31之间也可以通过空口技术实现互相通信。终端40可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或者连接到无线调制解调器的其他处理设备,以及各种形式的用户设备(User Equipment,UE),移动台(Mobile Station,MS),终端设备(terminal device)等等。
中继网络30包括至少一个中继节点31,该至少一个中继节点31中存在与主节点20直连的第一中继节点(图中以标号32表示),以及存在与终端40直连的第二中继节点(图中以标号33表示)。上述第一中继节点32和第二中继节点33可以是同一个中继节点,也可以是两个不同的中继节点。
可选地,中继网络30中包括两个或者两个以上中继节点31,所述两个或者两个以上的中继节点31可以通过自组网技术形成中继网络30。
锚节点10和终端40之间可以通过主节点20和中继网络30传输数据。
可选地,锚节点10用于针对终端40产生对应的第一PDCP PDU,通过上述固定连接向主节点20发送第一PDCP PDU。第一PDCP PDU可以是控制平面的PDCP PDU,也可以是用户平面的PDCP PDU。
可选地,主节点20用于接收锚节点10发送的第一PDCP PDU,在第一PDCP PDU上添加第一报文头。其中,第一报文头用于支持第一PDCP PDU在中继网络30中传输至第二中继节点33,即服务于终端40的中继节点。
可选地,第一报文头用于实现对第一PDCP PDU的路由传输和多跳传输。在主节点20至第二中继节点33的路径上存在至少两个节点时,通过第一报文头实现对第一PDCP PDU的路由传输和多跳传输。上述路径的两端节点为主节点20和第二中继节点33,上述路径除包括第一中继节点32和第二中继节点33之外,可选地还包括至少一个其它中继节点31。
在本申请的一些实施例中,主节点20还用于在第一PDCP PDU上添加第一报文头之前,在第一PDCP PDU上添加第二报文头。可选地,添加第二报文头后的第一PDCP PDU称为第二PDCP PDU。其中,第二报文头用于将至少两个终端40的PDU会话(session)复用至同一个PDCP连接,该PDCP连接建立在主节点20和第二中继节点33之间。例如,该第二报文头是PDCP报文头。
在本申请的一些实施例中,主节点20还用于在第一PDCP PDU上添加第一报文头之前,在第一PDCP PDU上添加第三报文头。可选地,添加第三报文头后的第一PDCP PDU称为第三PDCP PDU。其中,第三报文头用于区分至少两个终端40的PDU会话。例如,该第三报文头是通用分组无线服务隧道协议(General Packet Radio Service Turning Protocol,GTP)报文头和/或用户数据报协议(User Datagram Protocol,UDP)报文头和/或互联网协议(Internet Protocol,IP)报文头。
在本申请的一些实施例中,对于终端40来说,其可以建立下述任意一种或多种承载:
1、终端40和锚节点10之间建立有信令无线承载(Signaling Radio Bearer,SRB)1/2;和/或,终端40和主节点20之间建立有SRB1/2;
2、终端40和第二中继节点33之间建立有SRB3;
3、终端40和锚节点10之间建立有主基站群MCG的无线链路控制承载(Radio Link Control Bearer,RLC Bearer);
4、终端40和第二中继节点33之间建立有辅基站群SCG的RLC Bearer。
在本申请的一些实施例中,对于第二中继节点33来说,其可以建立下述任意一种或多种承载:
1、第二中继节点33和锚节点10之间建立有SRB1/2;和/或,第二中继节点33和第一中继节点32之间建立有SRB1/2;
2、第二中继节点33和第一中继节点32之间建立有SRB3;
3、第二中继节点33和锚节点10之间建立有MCG的RLC Bearer;
4、第二中继节点33和第一中继节点32之间建立有SCG的RLC Bearer。
在本申请的一些实施例中,对于第一中继节点32来说,其和主节点20之间也可以建立有SRB3。
在本申请实施例中,SRB1/2可以用于实现信令传输功能。SRB1可以用于传输无线资源控制(Radio Resource Control,RRC)消息,在SRB2建立之前,比SRB2具有更高的优先级。SRB2可以用于传输非接入层(Non-access Stratum,NAS)消息,比SRB1具有更低的优先级,且通常在安全模式激活之后才配置SRB2。SRB3用于实现与MCG相关的信令传输功能。
可选地,中继网络30中的每个中继节点31中设置有中继协议栈X。中继协议栈X用于根据第一报文头确定对第一PDCP PDU的处理操作,该处理操作包括:转发到该中继节点31的高层协议栈,或,转发到中继网络30中的其它中继节点31。可选地,所述高层协议栈是位于中继协议栈X上层的协议栈。可选地,在根据第一报文头确定将第一PDCP PDU转发到中继网络30中的其它中继节点31时,还根据第一报文头确定将第一PDCP PDU转发到哪一个中继节点31。以第一中继节点32为例,如果第一中继节点32决定将第一PDCP PDU转发到其它中继节点31,则不再将第一PDCP PDU转发到该第一中继节点32的高层协议栈中进行处理。
可选地,中继协议栈X位于RLC协议栈的上层。可选地,中继协议栈X位于PDCP协议栈的下层。在一个示例中,中继协议栈X位于RLC协议栈和PDCP协议栈之间。示例性地,如图2所示,中继节点31的无线协议栈由下往上依次包括:物理层(Physical Layer,PHY)协议栈、介质访问控制(Media Access Control,MAC)协议栈、RLC协议栈、中继协议栈X和PDCP协议栈。
在其它可能的示例中,中继协议栈X也可以与PDCP协议栈属于同一层。
在本申请的一些实施例中,第一PDCP PDU在主节点20和第一中继节点32之间采用自动重传请求(Automatic Repeat-reQuest,ARQ)重传机制进行传输;第一PDCP PDU在第一中继节点32和第二中继节点33之间采用ARQ重传机制进行传输。也即,主节点20和第一中继节点32之间,第一中继节点32和第二中继节点33之间,点对点进行ARQ重传,保证无损传输。
在本申请的一些实施例中,第一PDCP PDU在锚节点10和终端40之间采用端到端加密传输和/或完整性保护和/或数据重传。
在本申请的一些实施例中,第二PDCP PDU在主节点20和第二中继节点33之间采用端到端加密传输和/或完整性保护和/或数据重传。
结合参考图3,其示出了本申请一示例性实施例示出的移动通信系统中的各个设备的无线协议栈的示意图。
锚节点10和终端40之间存在与终端40对应的第一数据无线承载(Data Radio Bearer,DRB)。锚节点10将终端40对应的数据流(flow),承载在第一DRB中传输至终端40。在这种情况下,数据流虽然经过第二中继节点33,但第二中继节点33不对数据流进行GTP层处理,其将数据流透传给终端40。
结合参考图4,其示出了本申请另一示例性实施例示出的移动通信系统中的各个设备的无线协议栈的示意图。
锚节点10和第二中继节点33之间存在与第二中继节点33对应的第二DRB。锚节点10将终端40对应的数据流,承载在第二DRB中传输至第二中继节点33,第二中继节点33将数据流发送至终端40。可选地,第二中继节点33将数据流进行GTP处理后发送至终端40。可选地,第二DRB中承载有至少两个终端40对应的数据流。
在本申请的一些实施例中,中继网络30中的中继节点31(如第一中继节点32、第二中继节点33)作为分布单元(Distributed Unit,DU)通过第一接口与主节点20相连,该第一接口是集中-分布(CU-DU)接口。
在本申请的一些实施例中,中继网络30中的中继节点31(如第一中继节点32、第二中继节点33)作为基站(在5G系统中,基站可以称为gNB)通过第二接口与主节点20相连,该第二接口是N2、N3或Xn接口。
可选地,中继网络30中的中继节点31按照第一接入方式接入目标节点,通过目标节点获取网络配置信息,该第一接入方式为终端类型的接入方式。
可选地,中继网络30中的中继节点31通过目标节点获取网络配置信息,根据网络配置信息按照第二接入方式接入主节点20,该第二接入方式为中继节点类型的接入方式。上述网络配置信息可以包括第二接入方式的相关参数,例如可以通过哪些节点接入。
综上所述,本申请实施例提供的方案中,提供了一种适用于5G系统的中继技术,实现了中继节点到主节点的路由传输和多跳传输。
请参考图5,其示出了本申请一个实施例提供的数据传输方法的流程图。该方法可应用于图1所示的移动通信系统中。该方法可以包括如下步骤:
步骤501,锚节点10针对终端40产生对应的第一PDCP PDU。
步骤502,锚节点10通过与主节点20间的固定连接,向主节点20发送第一PDCP PDU。
步骤503,主节点20在第一PDCP PDU上添加第一报文头。
第一报文头用于支持将第一PDCP PDU在中继网络30中传输至第二中继节点33。第一报文头用于实现对第一PDCP PDU的路由传输和多跳传输。
步骤504,主节点20向第一中继节点32发送添加有第一报文头的第一PDCP PDU。
步骤505,第一中继节点32向第二中继节点33发送第一PDCP PDU。
步骤506,第二中继节点33向终端40发送第一PDCP PDU。
综上所述,本申请实施例提供的方案中,提供了一种适用于5G系统的中继技术,实现了中继节点到主节点的路由传输和多跳传输。
对于上述方法实施例中未披露的细节,详见本申请系统实施例。
另外,在上述方法实施例中,仅从锚节点10、主节点20、第一中继节点32、第二中继节点33和终端40交互的角度,对本申请技术方案进行介绍说明,上述有关锚节点10的步骤可以单独实现成为锚节点10一侧的数据传输方法,上述有关主节点20的步骤可以单独 实现成为主节点20一侧的数据传输方法,上述有关第一中继节点32的步骤可以单独实现成为第一中继节点32一侧的数据传输方法,上述有关第二中继节点33的步骤可以单独实现成为第二中继节点33一侧的数据传输方法,上述有关终端40的步骤可以单独实现成为终端40一侧的数据传输方法。
以下是本申请的装置实施例,对于装置实施例中未详细描述的细节,可以参考上述方法实施例或者系统实施例。
请参考图6,其示出了本申请一个实施例提供的数据传输装置的框图。所述装置具有实现上述方法和系统示例中锚节点10的功能,所述功能可以由硬件实现,也可以由硬件执行相应的软件实现。所述装置可以包括:
处理模块610,用于针对所述终端40产生对应的第一PDCP PDU;
发送模块620,用于通过与所述主节点20间的固定连接向所述主节点20发送所述第一PDCP PDU。
在一个可选的实施例中,所述锚节点10和所述终端40之间存在与所述终端40对应的第一DRB;
所述发送模块620,还用于将终端40对应的数据流,承载在所述第一DRB中传输至所述第二中继节点33,所述第二中继节点33将所述数据流发送至所述终端40。
在一个可选的实施例中,所述锚节点10和所述第二中继节点33之间存在与所述第二中继节点33对应的第二DRB;
所述发送模块620,还用于将所述终端40对应的数据流,承载在所述第二DRB中传输至所述第二中继节点33,所述第二中继节点33将所述数据流进行GTP处理后发送至所述终端40。
请参考图7,其示出了本申请另一个实施例提供的数据传输装置的框图。所述装置具有实现上述方法和系统示例中主节点20的功能,所述功能可以由硬件实现,也可以由硬件执行相应的软件实现。所述装置可以包括:
接收模块710,用于通过与所述锚节点10间的固定连接接收所述锚节点10发送的第一PDCP PDU;
处理模块720,用于在所述第一PDCP PDU上添加第一报文头,所述第一报文头用于支持将所述第一PDCP PDU在所述中继网络30中传输至所述第二中继节点33;
发送模块730,用于向所述第一中继节点32发送添加有所述第一报文头的所述第一PDCP PDU。
在一个可选的实施例中,所述第一报文头用于实现对所述第一PDCP PDU的路由传输和多跳传输。
在一个可选的实施例中,所述处理模块720,还用于在所述第一PDCP PDU上添加第二报文头;其中,所述第二报文头用于将至少两个终端40的PDU会话复用至同一个PDCP连接,所述PDCP连接建立在所述主节点20和所述第二中继节点33之间。
在一个可选的实施例中,所述处理模块720,还用于在所述第一PDCP PDU上添加第三报文头;其中,所述第三报文头用于区分至少两个终端40的PDU会话。
请参考图8,其示出了本申请另一个实施例提供的数据传输装置的框图。所述装置具有实现上述方法和系统示例中中继节点31(如第一中继节点32或者第二中继节点33)的功能,所述功能可以由硬件实现,也可以由硬件执行相应的软件实现。所述装置可以包括:接收模块810、处理模块820和发送模块830。
当该装置具有第一中继节点32的功能时,所述接收模块810,用于接收所述主节点20发送的第一PDCP PDU;所述发送模块830,用于向所述第二中继节点33发送所述第一PDCP  PDU。
可选地,所述处理模块820,用于根据所述第一PDCP PDU的第一报文头确定针对所述PDCP PDU的处理操作,所述处理操作包括:转发到所述第一中继节点32的高层协议栈,或,转发到所述中继网络30中的所述第二中继节点33;
所述发送模块830,还用于当所述处理模块820确定针对所述第一PDCP PDU的处理操作为转发到所述第二中继节点33时,向所述第二中继节点33发送所述第一PDCP PDU。
当该装置具有第二中继节点33的功能时,所述接收模块810,用于接收所述第一中继节点32发送的PDCP PDU;所述发送模块830,用于向所述终端40发送所述PDCP PDU。
请参考图9,其示出了本申请一个实施例提供的锚节点10的结构示意图,该锚节点10可以包括:处理器101、接收器102、发射器103、存储器104和总线105。
处理器101包括一个或者一个以上处理核心,处理器101通过运行软件程序以及模块,从而执行各种功能应用以及信息处理。
接收器102和发射器103可以实现为一个通信组件,该通信组件可以是一块通信芯片。
存储器104通过总线105与处理器101相连。
存储器104可用于存储至少一个指令,处理器101用于执行该至少一个指令,以实现上述方法实施例中的锚节点10执行的各个步骤。
此外,存储器104可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,易失性或非易失性存储设备包括但不限于:磁盘或光盘,电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),静态随时存取存储器(SRAM),只读存储器(ROM),磁存储器,快闪存储器,可编程只读存储器(PROM)。
请参考图10,其示出了本申请一个实施例提供的主节点20的结构示意图,该主节点20可以包括:处理器111、接收器112、发射器113、存储器114和总线115。
处理器111包括一个或者一个以上处理核心,处理器111通过运行软件程序以及模块,从而执行各种功能应用以及信息处理。
接收器112和发射器113可以实现为一个通信组件,该通信组件可以是一块通信芯片。
存储器114通过总线115与处理器111相连。
存储器114可用于存储至少一个指令,处理器111用于执行该至少一个指令,以实现上述方法实施例中的主节点20执行的各个步骤。
此外,存储器114可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,易失性或非易失性存储设备包括但不限于:磁盘或光盘,电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),静态随时存取存储器(SRAM),只读存储器(ROM),磁存储器,快闪存储器,可编程只读存储器(PROM)。
请参考图11,其示出了本申请一个实施例提供的中继节点31的结构示意图,该中继节点31可以包括:处理器121、接收器122、发射器123、存储器124和总线125。
处理器121包括一个或者一个以上处理核心,处理器121通过运行软件程序以及模块,从而执行各种功能应用以及信息处理。
接收器122和发射器123可以实现为一个通信组件,该通信组件可以是一块通信芯片。
存储器124通过总线125与处理器121相连。
存储器124可用于存储至少一个指令,处理器121用于执行该至少一个指令,以实现上述方法实施例中的中继节点31(包括第一中继节点32和第二中继节点33)执行的各个步骤。
此外,存储器124可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,易失性或非易失性存储设备包括但不限于:磁盘或光盘,电可擦除可编程只读存储器 (EEPROM),可擦除可编程只读存储器(EPROM),静态随时存取存储器(SRAM),只读存储器(ROM),磁存储器,快闪存储器,可编程只读存储器(PROM)。
本申请实施例还提供了一种计算机可读存储介质,所述存储介质中存储有至少一条指令,所述至少一条指令由处理器加载并执行以实现上述各个方法实施例提供的数据传输方法。
本申请还提供了一种计算机程序产品,当计算机程序产品在计算机上运行时,使得计算机执行上述各个方法实施例提供的数据传输方法。
本领域技术人员应该可以意识到,在上述一个或多个示例中,本申请实施例所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时,可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质,其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上所述仅为本申请的示例性实施例,并不用以限制本申请,凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。

Claims (56)

  1. 一种移动通信系统,其特征在于,所述系统包括:锚节点、主节点、中继网络和终端,其中:
    所述锚节点与所述主节点通过固定连接相连,所述锚节点是用户面和/或控制面的锚点;
    所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连;
    其中,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点。
  2. 根据权利要求1所述的系统,其特征在于,
    所述锚节点,用于针对所述终端产生对应的第一分组数据汇聚协议数据单元PDCP PDU,通过所述固定连接向所述主节点发送所述第一PDCP PDU。
  3. 根据权利要求2所述的系统,其特征在于,
    所述主节点,用于在所述第一PDCP PDU上添加第一报文头;
    其中,所述第一报文头用于支持将所述第一PDCP PDU在所述中继网络中传输至所述第二中继节点。
  4. 根据权利要求3所述的系统,其特征在于,所述第一报文头用于实现对所述第一PDCP PDU的路由传输和多跳传输。
  5. 根据权利要求3或4所述的系统,其特征在于,
    所述主节点,还用于在所述第一PDCP PDU上添加所述第一报文头之前,在所述第一PDCP PDU上添加第二报文头,生成第二PDCP PDU;
    其中,所述第二报文头用于将至少两个终端的PDU会话复用至同一个PDCP连接,所述PDCP连接建立在所述主节点和所述第二中继节点之间。
  6. 根据权利要求5所述的系统,其特征在于,所述第二报文头是PDCP报文头。
  7. 根据权利要求3至6任一所述的系统,其特征在于,
    所述主节点,还用于在所述第一PDCP PDU上添加所述第一报文头之前,在所述第一PDCP PDU上添加第三报文头;
    其中,所述第三报文头用于区分至少两个终端的PDU会话。
  8. 根据权利要求7所述的系统,其特征在于,所述第三报文头是通用分组无线服务隧道协议GTP报文头和/或用户数据报协议UDP报文头和/或互联网协议IP报文头。
  9. 根据权利要求1至8任一所述的系统,其特征在于,所述终端和所述锚节点之间建立有信令无线承载SRB1/2,和/或,所述终端和所述主节点之间建立有所述信令无线承载SRB1/2。
  10. 根据权利要求1至8任一所述的系统,其特征在于,所述终端和所述第二中继节点之间建立有信令无线承载SRB3。
  11. 根据权利要求1至8任一所述的系统,其特征在于,所述终端和所述锚节点之间建立有主基站群MCG的无线链路控制承载RLC Bearer。
  12. 根据权利要求1至8任一所述的系统,其特征在于,所述终端和所述第二中继节点之间建立有辅基站群SCG的无线链路控制承载RLC Bearer。
  13. 根据权利要求1至8任一所述的系统,其特征在于,所述第二中继节点和所述锚节点之间建立有信令无线承载SRB1/2,和/或,所述第二中继节点和所述第一中继节点之间建立有所述信令无线承载SRB1/2。
  14. 根据权利要求1至8任一所述的系统,其特征在于,所述第二中继节点和所述第一中继节点之间建立有信令无线承载SRB3。
  15. 根据权利要求1至8任一所述的系统,其特征在于,所述第一中继节点和所述主节 点之间建立有信令无线承载SRB3。
  16. 根据权利要求1至8任一所述的系统,其特征在于,所述第二中继节点和所述锚节点之间建立有主基站群MCG的无线链路控制承载RLC Bearer。
  17. 根据权利要求1至8任一所述的系统,其特征在于,所述第二中继节点和所述第一中继节点之间建立有辅基站群SCG的无线链路控制承载RLC Bearer。
  18. 根据权利要求3至17任一所述的系统,其特征在于,所述中继网络中的每个中继节点中设置有中继协议栈X;
    所述中继协议栈X用于根据所述第一报文头确定所述第一PDCP PDU的处理操作,所述处理操作包括:转发到所述中继节点的高层协议栈,或,转发到所述中继网络中的其它中继节点。
  19. 根据权利要求18所述的系统,其特征在于,所述中继协议栈X位于无线链路控制RLC协议栈的上层。
  20. 根据权利要求18所述的系统,其特征在于,所述中继协议栈X位于PDCP协议栈的下层。
  21. 根据权利要求18所述的系统,其特征在于,所述中继协议栈X与所述PDCP协议栈属于同一层。
  22. 根据权利要求2至21任一所述的系统,其特征在于,所述第一PDCP PDU在所述主节点和所述第一中继节点之间采用自动重传请求ARQ重传机制进行传输;所述第一PDCP PDU在所述第一中继节点和所述第二中继节点之间采用所述ARQ重传机制进行传输。
  23. 根据权利要求2至21任一所述的系统,其特征在于,所述第一PDCP PDU在所述锚节点和所述终端之间采用端到端加密传输和/或完整性保护和/或数据重传。
  24. 根据权利要求5至8任一所述的系统,其特征在于,所述第二PDCP PDU在所述主节点和所述第二中继节点之间采用端到端加密传输和/或完整性保护和/或数据重传。
  25. 根据权利要求1至24任一所述的系统,其特征在于,所述锚节点和所述终端之间存在与所述终端对应的第一数据无线承载DRB;
    所述锚节点,用于将所述终端对应的数据流,承载在所述第一数据无线承载中传输至所述第二中继节点,所述第二中继节点将所述数据流发送至所述终端。
  26. 根据权利要求1至24任一所述的系统,其特征在于,所述锚节点和所述第二中继节点之间存在与所述第二中继节点对应的第二数据无线承载DRB;所述锚节点,用于将所述终端对应的数据流,承载在所述第二DRB中传输至所述第二中继节点,所述第二中继节点将所述数据流进行GTP处理后发送至所述终端。
  27. 根据权利要求26所述的系统,其特征在于,所述第二DRB中承载有至少两个终端对应的数据流。
  28. 根据权利要求1至27任一所述的系统,其特征在于,所述第二中继节点作为分布单元通过第一接口与所述主节点相连,所述第一接口是集中-分布接口。
  29. 根据权利要求1至27任一所述的系统,其特征在于,所述第二中继节点作为基站通过第二接口与所述主节点相连,所述第二接口是N2、N3或Xn接口。
  30. 根据权利要求1至29任一所述的系统,其特征在于,
    所述中继网络中的中继节点按照第一接入方式接入目标节点,通过所述目标节点获取网络配置信息,所述第一接入方式为终端类型的接入方式;以及,根据所述网络配置信息按照第二接入方式接入所述主节点,所述第二接入方式为中继节点类型的接入方式。
  31. 一种数据传输方法,其特征在于,应用于移动通信系统的锚节点中,所述移动通信系统包括所述锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
    所述方法包括:
    针对所述终端产生对应的第一分组数据汇聚协议数据单元PDCP PDU;
    通过与所述主节点间的固定连接向所述主节点发送所述第一PDCP PDU。
  32. 根据权利要求31所述的方法,其特征在于,所述锚节点和所述终端之间存在与所述终端对应的第一数据无线承载DRB;
    所述方法还包括:
    将所述终端对应的数据流,承载在所述第一DRB中传输至所述第二中继节点,所述第二中继节点将所述数据流发送至所述终端。
  33. 根据权利要求31所述的方法,其特征在于,所述锚节点和所述第二中继节点之间存在与所述第二中继节点对应的第二数据无线承载DRB;
    所述方法还包括:
    将所述终端对应的数据流,承载在所述第二DRB中传输至所述第二中继节点,所述第二中继节点将所述数据流进行GTP处理后发送至所述终端。
  34. 一种数据传输方法,其特征在于,应用于移动通信系统的主节点中,所述移动通信系统包括锚节点、所述主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
    所述方法包括:
    通过与所述锚节点间的固定连接接收所述锚节点发送的第一分组数据汇聚协议数据单元PDCP PDU;
    在所述第一PDCP PDU上添加第一报文头,所述第一报文头用于支持将所述PDCP PDU在所述中继网络中传输至所述第二中继节点;
    向所述第一中继节点发送添加有所述第一报文头的所述第一PDCP PDU。
  35. 根据权利要求34所述的方法,其特征在于,所述第一报文头用于实现对所述第一PDCP PDU的路由传输和多跳传输。
  36. 根据权利要求34或35所述的方法,其特征在于,所述在所述第一PDCP PDU上添加第一报文头之前,还包括:
    在所述第一PDCP PDU上添加第二报文头;其中,所述第二报文头用于将至少两个终端的PDU会话复用至同一个PDCP连接,所述PDCP连接建立在所述主节点和所述第二中继节点之间。
  37. 根据权利要求34至36任一所述的方法,其特征在于,所述在所述第一PDCP PDU上添加第一报文头之前,还包括:
    在所述第一PDCP PDU上添加第三报文头;其中,所述第三报文头用于区分至少两个终端的PDU会话。
  38. 一种数据传输方法,其特征在于,应用于移动通信系统的第一中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的所述第一中继节点,以及存在与所述终端直连的第二中继节点;
    所述方法包括:
    接收所述主节点发送的第一分组数据汇聚协议数据单元PDCP PDU;
    向所述第二中继节点发送所述第一PDCP PDU。
  39. 根据权利要求38所述的方法,其特征在于,所述接收所述主节点发送的第一PDCP PDU之后,还包括:
    根据所述第一PDCP PDU的第一报文头确定针对所述第一PDCP PDU的处理操作,所述处理操作包括:转发到所述第一中继节点的高层协议栈,或,转发到所述中继网络中的所述第二中继节点;
    若确定针对所述第一PDCP PDU的处理操作为转发到所述第二中继节点,则执行所述向所述第二中继节点发送所述第一PDCP PDU的步骤。
  40. 一种数据传输方法,其特征在于,应用于移动通信系统的第二中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的所述第二中继节点;
    所述方法包括:
    接收所述第一中继节点发送的第一分组数据汇聚协议数据单元PDCP PDU;
    向所述终端发送所述第一PDCP PDU。
  41. 一种数据传输装置,其特征在于,应用于移动通信系统的锚节点中,所述移动通信系统包括所述锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
    所述装置包括:
    处理模块,用于针对所述终端产生对应的第一分组数据汇聚协议数据单元PDCP PDU;
    发送模块,用于通过与所述主节点间的固定连接向所述主节点发送所述第一PDCP PDU。
  42. 根据权利要求41所述的装置,其特征在于,所述锚节点和所述终端之间存在与所述终端对应的第一数据无线承载DRB;
    所述发送模块,还用于将所述终端对应的数据流,承载在所述第一DRB中传输至所述第二中继节点,所述第二中继节点将所述数据流发送至所述终端。
  43. 根据权利要求41所述的装置,其特征在于,所述锚节点和所述第二中继节点之间存在与所述第二中继节点对应的第二数据无线承载DRB;
    所述发送模块,还用于将所述终端对应的数据流,承载在所述第二DRB中传输至所述第二中继节点,所述第二中继节点将所述数据流进行GTP处理后发送至所述终端。
  44. 一种数据传输装置,其特征在于,应用于移动通信系统的主节点中,所述移动通信系统包括锚节点、所述主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的第二中继节点;
    所述装置包括:
    接收模块,用于通过与所述锚节点间的固定连接接收所述锚节点发送的第一分组数据汇聚协议数据单元PDCP PDU;
    处理模块,用于在所述第一PDCP PDU上添加第一报文头,所述第一报文头用于支持将所述PDCP PDU在所述中继网络中传输至所述第二中继节点;
    发送模块,用于向所述第一中继节点发送添加有所述第一报文头的所述第一PDCP PDU。
  45. 根据权利要求44所述的装置,其特征在于,所述第一报文头用于实现对所述第一PDCP PDU的路由传输和多跳传输。
  46. 根据权利要求44或45所述的装置,其特征在于,
    所述处理模块,还用于在所述第一PDCP PDU上添加第二报文头;其中,所述第二报文头用于将至少两个终端的PDU会话复用至同一个PDCP连接,所述PDCP连接建立在所述主 节点和所述第二中继节点之间。
  47. 根据权利要求44至46任一所述的装置,其特征在于,
    所述处理模块,还用于在所述第一PDCP PDU上添加第三报文头;其中,所述第三报文头用于区分至少两个终端的PDU会话。
  48. 一种数据传输装置,其特征在于,应用于移动通信系统的第一中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的所述第一中继节点,以及存在与所述终端直连的第二中继节点;
    所述装置包括:
    接收模块,用于接收所述主节点发送的第一分组数据汇聚协议数据单元PDCP PDU;
    发送模块,用于向所述第二中继节点发送所述第一PDCP PDU。
  49. 根据权利要求48所述的装置,其特征在于,所述装置还包括:
    处理模块,用于根据所述第一PDCP PDU的第一报文头确定针对所述第一PDCP PDU的处理操作,所述处理操作包括:转发到所述第一中继节点的高层协议栈,或,转发到所述中继网络中的所述第二中继节点;
    所述发送模块,还用于当所述处理模块确定针对所述第一PDCP PDU的处理操作为转发到所述第二中继节点时,向所述第二中继节点发送所述第一PDCP PDU。
  50. 一种数据传输装置,其特征在于,应用于移动通信系统的第二中继节点中,所述移动通信系统包括锚节点、主节点、中继网络和终端;其中,所述锚节点是用户面和/或控制面的锚点,所述锚节点与所述主节点通过固定连接相连,所述主节点与所述中继网络通过第一无线连接相连,所述中继网络与所述终端通过第二无线连接相连,所述中继网络包括至少一个中继节点,所述至少一个中继节点中存在与所述主节点直连的第一中继节点,以及存在与所述终端直连的所述第二中继节点;
    所述装置包括:
    接收模块,用于接收所述第一中继节点发送的第一分组数据汇聚协议数据单元PDCP PDU;
    发送模块,用于向所述终端发送所述第一PDCP PDU。
  51. 一种锚节点,其特征在于,所述锚节点包括处理器和存储器,所述存储器存储有至少一条指令,所述至少一条指令用于被所述处理器执行以实现上述权利要求31至33中任一所述的数据传输方法。
  52. 一种主节点,其特征在于,所述主节点包括处理器和存储器,所述存储器存储有至少一条指令,所述至少一条指令用于被所述处理器执行以实现上述权利要求34至37中任一所述的数据传输方法。
  53. 一种中继节点,其特征在于,所述中继节点包括处理器和存储器,所述存储器存储有至少一条指令,所述至少一条指令用于被所述处理器执行以实现上述权利要求38至40中任一所述的数据传输方法。
  54. 一种计算机可读存储介质,其特征在于,所述存储介质存储有至少一条指令,所述至少一条指令用于被处理器执行以实现上述权利要求31至33中任一所述的数据传输方法。
  55. 一种计算机可读存储介质,其特征在于,所述存储介质存储有至少一条指令,所述至少一条指令用于被处理器执行以实现上述权利要求34至37中任一所述的数据传输方法。
  56. 一种计算机可读存储介质,其特征在于,所述存储介质存储有至少一条指令,所述至少一条指令用于被处理器执行以实现上述权利要求38至40中任一所述的数据传输方法。
PCT/CN2018/076243 2018-02-11 2018-02-11 移动通信系统、方法及装置 WO2019153295A1 (zh)

Priority Applications (9)

Application Number Priority Date Filing Date Title
KR1020207024948A KR102350842B1 (ko) 2018-02-11 2018-02-11 이동 통신 시스템, 방법 및 장치
CN202010925445.6A CN112040565B (zh) 2018-02-11 2018-02-11 移动通信系统、方法及装置
EP18904549.5A EP3737204B1 (en) 2018-02-11 2018-02-11 Mobile communication system, method and device
JP2020542253A JP7073509B2 (ja) 2018-02-11 2018-02-11 移動体通信システム、方法及び装置
AU2018407956A AU2018407956B2 (en) 2018-02-11 2018-02-11 Mobile communication system, method and device
PCT/CN2018/076243 WO2019153295A1 (zh) 2018-02-11 2018-02-11 移动通信系统、方法及装置
CN201880087847.4A CN111656855A (zh) 2018-02-11 2018-02-11 移动通信系统、方法及装置
TW108104293A TW201935992A (zh) 2018-02-11 2019-02-01 移動通訊系統、方法及裝置
US16/984,834 US11805464B2 (en) 2018-02-11 2020-08-04 Mobile communication system, method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/076243 WO2019153295A1 (zh) 2018-02-11 2018-02-11 移动通信系统、方法及装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/984,834 Continuation US11805464B2 (en) 2018-02-11 2020-08-04 Mobile communication system, method and device

Publications (1)

Publication Number Publication Date
WO2019153295A1 true WO2019153295A1 (zh) 2019-08-15

Family

ID=67548169

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/076243 WO2019153295A1 (zh) 2018-02-11 2018-02-11 移动通信系统、方法及装置

Country Status (8)

Country Link
US (1) US11805464B2 (zh)
EP (1) EP3737204B1 (zh)
JP (1) JP7073509B2 (zh)
KR (1) KR102350842B1 (zh)
CN (2) CN111656855A (zh)
AU (1) AU2018407956B2 (zh)
TW (1) TW201935992A (zh)
WO (1) WO2019153295A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101425660B1 (ko) 2012-11-14 2014-08-05 대구가톨릭대학교산학협력단 D-타가토오스를 함유하는 배지 및 이를 이용한 인체장내세균의 탄소원 이용 검증방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102098725A (zh) * 2009-12-15 2011-06-15 中兴通讯股份有限公司 一种服务网关与中继终端间传输数据的系统及方法
CN102714794A (zh) * 2010-02-02 2012-10-03 Lg电子株式会社 无线通信系统中选择性应用pdcp功能的方法
CN104540177A (zh) * 2009-06-17 2015-04-22 交互数字专利控股公司 一种施主演进型节点b以及由其使用的方法
CN106465241A (zh) * 2014-06-26 2017-02-22 英特尔Ip公司 用于小小区激活和检测的系统、方法和设备
CN107347177A (zh) * 2016-05-06 2017-11-14 电信科学技术研究院 一种数据传输方法及装置

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006098455A1 (ja) * 2005-03-15 2006-09-21 Pioneer Corporation ホログラム記録再生方法及び装置
KR100938090B1 (ko) * 2006-10-19 2010-01-21 삼성전자주식회사 이동통신 시스템에서 핸드오버 수행 방법 및 장치
US8902805B2 (en) * 2008-10-24 2014-12-02 Qualcomm Incorporated Cell relay packet routing
US8259637B2 (en) * 2009-01-06 2012-09-04 Texas Instruments Incorporated In-band backhaul for wireless relays in wireless networks
US8305965B2 (en) * 2009-01-06 2012-11-06 Texas Instruments Incorporated Protocol stack and scheduler for L3 relay
KR101611300B1 (ko) * 2009-04-21 2016-04-11 엘지전자 주식회사 전송 지시자를 이용한 중계기 통신 기법
CN101998657A (zh) * 2009-08-18 2011-03-30 中兴通讯股份有限公司 支持多跳的中继通信系统及该系统的接入方法
CN102056226B (zh) * 2009-11-10 2016-03-02 中兴通讯股份有限公司 Pdcp状态报告的获取方法和pdcp实体
US8904167B2 (en) * 2010-01-22 2014-12-02 Qualcomm Incorporated Method and apparatus for securing wireless relay nodes
US9504079B2 (en) * 2010-02-22 2016-11-22 Huawei Technologies Co., Ltd. System and method for communications in communications systems with relay nodes
RU2567377C2 (ru) * 2010-08-16 2015-11-10 Телефонактиеболагет Л М Эрикссон (Пабл) Узлы и способы для улучшения позиционирования
EP2636272B1 (en) * 2010-11-04 2018-08-29 LG Electronics Inc. Method and apparatus for reconfiguring connection to base station at relay node in a wireless communication system
EP2501057A1 (en) * 2011-03-17 2012-09-19 Panasonic Corporation Dynamic PUSCH deactivation/activation for component carriers of a relay node
WO2012154506A1 (en) * 2011-05-06 2012-11-15 Interdigital Patent Holdings, Inc. Method and apparatus for bandwidth aggregation for ip flow
US9088922B2 (en) 2011-10-10 2015-07-21 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for mobile relay handover
US9526091B2 (en) 2012-03-16 2016-12-20 Intel Corporation Method and apparatus for coordination of self-optimization functions in a wireless network
JP2013197895A (ja) * 2012-03-19 2013-09-30 Fujitsu Ltd 無線通信システム、基地局及び中継局並びに通信方法
CN103327475B (zh) 2012-03-21 2017-05-24 电信科学技术研究院 一种小区切换的寻址方法以及寻址装置
KR102040883B1 (ko) * 2012-08-23 2019-11-05 인터디지탈 패튼 홀딩스, 인크 무선 시스템에서의 다중 스케줄러들을 이용한 동작
US9577928B2 (en) * 2013-08-27 2017-02-21 Oracle International Corporation System and method for supporting data service addressing in an engineered system for middleware and application execution
US10004098B2 (en) * 2014-01-29 2018-06-19 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving data using a plurality of carriers in mobile communication system
US20150305041A1 (en) * 2014-04-16 2015-10-22 Electronics And Telecommunications Research Institute Method and apparatus for providing service using radio resource aggregation
KR101814248B1 (ko) * 2014-09-05 2018-01-04 주식회사 케이티 무선랜 캐리어를 이용한 데이터 전송 방법 및 장치
EP3883335A1 (en) * 2014-10-23 2021-09-22 Huawei Technologies Co., Ltd. Radio resource control rrc message processing method, apparatus, and system
RU2665881C1 (ru) * 2014-10-23 2018-09-04 Хуавей Текнолоджиз Ко., Лтд. Способ и устройство соединения для управления (rrc) радиоресурсами и способ и устройство повторного rrc соединения
WO2016061791A1 (zh) * 2014-10-23 2016-04-28 华为技术有限公司 接口建立方法及装置
CN106171020B (zh) * 2015-02-16 2019-11-29 华为技术有限公司 定位参数的协调装置、系统及方法
CN113038528B (zh) * 2015-04-10 2024-02-13 三星电子株式会社 用于在无线通信系统中将数据分组路由到用户设备的基站
US10327174B2 (en) * 2016-11-03 2019-06-18 Motorola Mobility Llc Offload bearing in a wireless communication system
US10630816B2 (en) * 2016-01-28 2020-04-21 Oracle International Corporation System and method for supporting shared multicast local identifiers (MILD) ranges in a high performance computing environment
JP6714707B2 (ja) * 2016-03-30 2020-06-24 オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. 中継伝送方法
US10630410B2 (en) * 2016-05-13 2020-04-21 Telefonaktiebolaget Lm Ericsson (Publ) Network architecture, methods, and devices for a wireless communications network
US10367677B2 (en) * 2016-05-13 2019-07-30 Telefonaktiebolaget Lm Ericsson (Publ) Network architecture, methods, and devices for a wireless communications network
US20180234839A1 (en) * 2017-02-13 2018-08-16 Futurewei Technologies, Inc. System and Method for User Equipment Identification and Communications
US10772145B2 (en) * 2017-03-29 2020-09-08 Qualcomm Incorporated Autonomous formation for backhaul networks
US11212701B2 (en) * 2017-05-14 2021-12-28 FG Innovation Company Limited Systems, methods, and devices for ultra-reliable low latency communication quality-of-service guarantee
US10728878B2 (en) * 2017-06-22 2020-07-28 FB Innovation Company Limited Systems, devices, and methods for packet data convergence protocol packet data unit duplication
US11375527B1 (en) * 2017-11-09 2022-06-28 Verana Networks, Inc. Wireless mesh network
US20190200273A1 (en) * 2017-12-22 2019-06-27 Nokia Technologies Oy Flushing PDCP Packets To Reduce Network Load In Multi-Connectivity Scenarios
US10432295B2 (en) * 2018-01-11 2019-10-01 At&T Intellectual Property I, L.P. Radio link control layer based relaying for integrated access and backhaul transmissions in wireless networks
CN112039944A (zh) * 2018-01-12 2020-12-04 华为技术有限公司 一种数据传输方法及装置
KR102394932B1 (ko) * 2018-01-19 2022-05-04 노키아 테크놀로지스 오와이 통합 액세스 및 백홀 노드를 위한 제어 평면 시그널링
US10778449B2 (en) * 2018-01-26 2020-09-15 Huawei Technologies Co., Ltd. System and method for shared sessions in communication networks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104540177A (zh) * 2009-06-17 2015-04-22 交互数字专利控股公司 一种施主演进型节点b以及由其使用的方法
CN102098725A (zh) * 2009-12-15 2011-06-15 中兴通讯股份有限公司 一种服务网关与中继终端间传输数据的系统及方法
CN102714794A (zh) * 2010-02-02 2012-10-03 Lg电子株式会社 无线通信系统中选择性应用pdcp功能的方法
CN106465241A (zh) * 2014-06-26 2017-02-22 英特尔Ip公司 用于小小区激活和检测的系统、方法和设备
CN107347177A (zh) * 2016-05-06 2017-11-14 电信科学技术研究院 一种数据传输方法及装置

Also Published As

Publication number Publication date
JP7073509B2 (ja) 2022-05-23
US11805464B2 (en) 2023-10-31
EP3737204A1 (en) 2020-11-11
AU2018407956A1 (en) 2020-08-27
AU2018407956B2 (en) 2021-08-05
EP3737204A4 (en) 2021-01-06
KR20200115615A (ko) 2020-10-07
CN112040565B (zh) 2022-04-12
CN112040565A (zh) 2020-12-04
US20200367131A1 (en) 2020-11-19
KR102350842B1 (ko) 2022-01-12
CN111656855A (zh) 2020-09-11
EP3737204B1 (en) 2022-03-09
TW201935992A (zh) 2019-09-01
JP2021513255A (ja) 2021-05-20

Similar Documents

Publication Publication Date Title
US11510131B2 (en) Configuration method, data transmission method, and apparatus
JP7440562B2 (ja) 情報伝送方法及び装置
JP7116193B2 (ja) 情報伝送方法および装置
US20210126991A1 (en) Method and Device for Sending and Receiving Data Packet, and Data Packet Transmission System
KR20220140605A (ko) Sidelink 릴레이 통신 방법, 장치, 설비 및 매체
WO2019214729A1 (zh) 数据处理的方法和设备
US20220377819A1 (en) Method and apparatus for establishing data transmission link and computer-readable storage medium
WO2020164596A1 (zh) 一种数据传输方法及装置
WO2017132965A1 (zh) 一种数据传输系统、方法和装置
US11844010B2 (en) Relay transmission method and relay node
CN114503526A (zh) 用于路由和承载映射配置的方法及设备
WO2019105483A1 (zh) 一种传输方法和中继节点
WO2017219365A1 (zh) 数据传输的方法和装置
US11805464B2 (en) Mobile communication system, method and device
WO2019136933A1 (zh) 中继传输的方法和中继节点
WO2019223500A1 (zh) 无线回程节点的适配层的处理方法以及适配层
WO2024016279A1 (zh) 通信方法、装置、设备、存储介质、芯片、产品及程序
CN115499942A (zh) 一种通信的方法、装置及系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18904549

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020542253

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2018904549

Country of ref document: EP

Effective date: 20200807

ENP Entry into the national phase

Ref document number: 2018407956

Country of ref document: AU

Date of ref document: 20180211

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20207024948

Country of ref document: KR

Kind code of ref document: A