WO2019136891A1 - 中继的路由方法和通信节点 - Google Patents

中继的路由方法和通信节点 Download PDF

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Publication number
WO2019136891A1
WO2019136891A1 PCT/CN2018/086373 CN2018086373W WO2019136891A1 WO 2019136891 A1 WO2019136891 A1 WO 2019136891A1 CN 2018086373 W CN2018086373 W CN 2018086373W WO 2019136891 A1 WO2019136891 A1 WO 2019136891A1
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WO
WIPO (PCT)
Prior art keywords
data packet
relay node
node
current relay
uplink data
Prior art date
Application number
PCT/CN2018/086373
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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 CN201880084469.4A priority Critical patent/CN111527727A/zh
Priority to KR1020207022866A priority patent/KR20200108311A/ko
Priority to JP2020537750A priority patent/JP7125487B6/ja
Priority to EP18900033.4A priority patent/EP3739825B1/en
Priority to EP22167355.1A priority patent/EP4120743A1/en
Priority to AU2018401754A priority patent/AU2018401754A1/en
Publication of WO2019136891A1 publication Critical patent/WO2019136891A1/zh
Priority to US16/924,798 priority patent/US11974208B2/en

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    • 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
    • H04W40/12Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • 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
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks
    • H04L12/4604LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/74Address processing for routing
    • H04L45/745Address table lookup; Address filtering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • 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
    • H04L69/22Parsing or analysis of headers
    • 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
    • H04W40/00Communication routing or communication path finding
    • H04W40/24Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/248Connectivity information update
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/22Alternate routing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/54Organization of routing tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/24Connectivity information management, e.g. connectivity discovery or connectivity update

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a routing method and a communication node of a relay.
  • New Radio is a technology for relay transmission between a network and a terminal through one or more relay nodes.
  • NR New Radio
  • how to establish a routing topology relationship is a problem that needs to be solved.
  • the embodiment of the present application provides a relay routing method and a communication node, which are beneficial to improving the performance of the relay network.
  • a first aspect provides a relay routing method, where the routing method includes: a current relay node receives a data packet, and a packet header of the data packet includes an address of a destination node of the data packet; the current relay node is configured according to The address of the destination node to determine whether to forward the packet.
  • the routing method further includes: when the current relay node determines to forward the data packet, the current relay node determines to forward the data packet to the at least one relay node.
  • the routing method before the current relay node receives the data packet, the routing method further includes: the current relay node receiving a routing table sent by the central node, where the routing table is used to indicate that the data packet is from a transmission path of the source node to the destination node; the current relay node determines to forward the data packet to the at least one relay node, including: determining, by the current relay node, forwarding the data to the at least one relay node according to the routing table package.
  • the current relay node determines to forward the data packet to the at least one relay node, including: determining, by the current relay node, forwarding the data packet to the at least one relay node according to channel quality .
  • the current relay node receives the data packet, including: the current relay node receives the first data packet and the second data packet, and the address of the destination node of the first data packet is the second The destination node of the data packet has the same address; the current relay node determines to forward the data packet to the at least one relay node, including: the current relay node determines to forward the to the first relay node of the at least one relay node a first data packet, and the current relay node determines to forward the second data packet to a second one of the at least one relay node.
  • the current relay node receives the data packet, including: the current relay node receives the first data packet; the routing method further includes: the current relay node replicating the first data packet .
  • the current relay node determines to forward the data packet to the at least one relay node, including: the current relay node determines to forward the to the first one of the at least one relay node. a first data packet, and determining to forward the copied first data packet to a second one of the at least one relay node.
  • the current relay node determines to forward the data packet to the at least one relay node, including: the current relay node determines to use the first logical channel to the first one of the at least one relay node The relay node forwards the first data packet, and determines to forward the copied first data packet to the first relay node by using the second logical channel.
  • the current relay node receives the data packet, including: the current relay node receives the first data packet by using the first logical channel; and the current relay node determines to forward the data to the at least one relay node.
  • the data packet includes: the current relay node forwarding the first data packet to the at least one relay node by using the first logical channel.
  • the current relay node receives the data packet, including: the current relay node receives the first data packet by using the first logical channel; and the current relay node determines to forward the data to the at least one relay node.
  • the data packet includes: the current relay node forwarding the first data packet to the at least one relay node by using a second logical channel according to the configuration information.
  • the configuration information is determined by the central node.
  • the configuration information may be a routing table allocated by the central node.
  • the current relay node receives the data packet, including: the current relay node receives the first data packet by using the first logical channel; and the current relay node determines to forward the data to the at least one relay node.
  • the data packet includes: the current relay node forwarding the first data packet to the at least one relay node by using the second logical channel according to the indication of the relay layer.
  • the current relay node receives the data packet, including: the current relay node receives the first data packet and the second data packet, and the address of the destination node of the first data packet is the second The destination node of the data packet has the same address; the current relay node determines to forward the data packet to the at least one relay node, including: the current relay node determines to forward the to the first relay node of the at least one relay node The first data packet, and the current relay node determines to forward the second data packet to the first relay node.
  • the current relay node receives the data packet, including: the current relay node receives the first data packet and the second data packet, and the address of the destination node of the first data packet is the second The destination node of the data packet has the same address; the routing method further includes: the current relay node detecting, according to the packet data convergence protocol PDCP layer sequence number of the data packet, whether the first data packet and the second data packet are duplicate data packets.
  • the current relay node determines to forward the data packet to the at least one relay node, including: if the first data packet and the second data packet are duplicate data packets, the current relay node Determining to send the first data packet or the second data packet to the at least one relay node; or if the first data packet and the second data packet are non-repetitive data packets, the current relay node determines to the at least one The relay node sends the first data packet and the second data packet.
  • the packet header of the data packet further includes an address of a source node of the data packet.
  • the routing method further includes: when the current relay node is faulty, the current relay node reports the fault information to the central node, so that the central node updates the routing table, the route The table is used to indicate the transmission path of the packet from the source node to the destination node.
  • the data packet includes a downlink data packet.
  • the data packet includes an uplink data packet and a downlink data packet.
  • the at least one relay node is a parent node of the current relay node.
  • the address of the destination node is an address of a terminal device to which the data packet belongs.
  • the address of the destination node is an address of a relay node directly connected to the terminal device to which the data packet belongs.
  • the address of the destination node includes an address of the terminal device to which the data packet belongs and an address of the relay node directly connected to the terminal device to which the data packet belongs.
  • the address of the terminal device to which the data packet belongs is allocated by the central node.
  • the address of the relay node directly connected to the terminal device to which the data packet belongs is allocated by the central node.
  • the central node is an anchor node, a fixed access access network node, or a core network node.
  • the packet header of the data packet is in a packet header of a packet data convergence protocol PDCP protocol data unit PDU.
  • the packet header of the data packet is outside the packet header of the packet data convergence protocol PDCP protocol data unit PDU.
  • a second aspect provides a relay routing method, where the routing method includes: the central node sends a routing table to the first relay node, where the routing table is used to indicate a transmission path between the source node and the destination node. .
  • the routing method further includes: when the first relay node is faulty, the central node receives the fault information reported by the first relay node;
  • the central node updates the routing table according to the fault information.
  • the central node is an anchor node, a fixed access access network node, or a core network node.
  • a communication node for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • the communication node comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a communication node for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • the communication node comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a communication node comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a communication node comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a seventh aspect provides a method for data processing of a relay network, the method comprising: a network anchor node receiving a data packet, the packet header of the data packet includes first information, where the first information is used to indicate the data packet The source address; the network anchor node determines the source address of the data packet according to the first information.
  • the data packet is an uplink data packet.
  • the first information is used to indicate at least one of the following information: a type of a node that sends the uplink data packet, the type includes a terminal device or a relay node; and the uplink data packet is sent.
  • the method further includes: the network anchor node processing the data packet according to a source address of the data packet.
  • the network anchor node can receive the data packet, where the data packet can be an uplink data packet, a downlink data packet, or multiple data packets, including an uplink data packet and a downlink data packet.
  • the data packet may be directly sent by the terminal device to the network anchor node, then the source address of the data packet is considered to be the address of the terminal device, and the data packet may also be sent by the relay node to the relay node.
  • the network anchor node then the source address of the packet can be considered as the address of the relay node.
  • the data packet is a downlink data packet, and the data packet may be sent by the core network device, the source address of the data packet may be the address of the core network.
  • the network anchor node may further process the data packet. If the network anchor node receives multiple uplink data packets and obtains the source addresses of the multiple data packets, the network anchor node may determine whether the source addresses of the multiple data packets are the same address, and if yes, the multiple The data packet is sent to the upper layer corresponding to the source address for processing. If not, the upper layer corresponding to the different source address can be separately processed.
  • the eighth aspect provides a relay routing method, where the method includes: the current relay node receives an uplink data packet; and the current relay node forwards the uplink data to a higher-level relay node serving the current relay node. package.
  • the current relay node receives the uplink data packet, including:
  • the current relay node receives the first uplink data packet; the routing method further includes: the current relay node replicating the first uplink data packet.
  • the upper relay node includes a first relay node and a second relay node, and the current relay node forwards the to the upper relay node serving the current relay node.
  • the uplink data packet includes: the current relay node forwards the first uplink data packet to the first relay node, and forwards the copied first uplink data packet to the second relay node.
  • the upper-level relay node includes a first relay node, and the current relay node forwards the uplink data packet to a higher-level relay node that serves the current relay node, including: The current relay node forwards the first uplink data packet to the first relay node by using the first logical channel, and forwards the copied first uplink data packet to the first relay node by using the second logical channel.
  • the current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet by using the first logical channel; and the current relay node serves the current relay node.
  • the forwarding of the uplink data packet by the upper-level relay node includes: the current relay node forwarding the first uplink data packet to the upper-level relay node by using the first logical channel.
  • the current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet by using the first logical channel; and the current relay node serves the current relay node.
  • the forwarding of the first uplink data packet by the upper-level relay node includes: the current relay node forwarding the first uplink data packet to the upper-level relay node by using the second logical channel according to the configuration information.
  • the configuration information is determined by the network anchor node.
  • the current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet by using the first logical channel; and the current relay node serves the current relay node.
  • the forwarding of the uplink data packet by the upper-level relay node includes: the current relay node forwarding the first uplink data packet to the upper-level relay node by using the second logical channel according to the indication of the relay layer.
  • the upper relay node includes a first relay node and a second relay node
  • the current relay node receives the uplink data packet, including: the current relay node receives the first uplink a data packet and a second uplink data packet, the source address of the first uplink data packet is the same as the address of the source node of the second uplink data packet; the current relay node relays to the upper level of the current relay node
  • the node forwards the uplink data packet, including: the current relay node forwarding the first uplink data packet to the first relay node, and the current relay node forwarding the second uplink data packet to the first relay node.
  • the current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet and the second uplink data packet, where the source address of the first uplink data packet is The source address of the second uplink data packet is the same; the routing method further includes: the current relay node detecting, according to the packet data convergence protocol PDCP layer sequence number of the data packet, whether the first uplink data packet and the second uplink data packet are duplicates. data pack.
  • the current relay node forwards the uplink data packet to a higher-level relay node that serves the current relay node, including: if the first uplink data packet and the second uplink data packet For repeating the data packet, the current relay node sends the first uplink data packet or the second uplink data packet to the upper-level relay node; or if the first uplink data packet and the second uplink data packet are non- And repeating the data packet, the current relay node sends the first uplink data packet and the second uplink data packet to the upper-level relay node.
  • the packet header of the uplink data packet includes first information, where the first information is used to indicate a source address and/or a destination address of the uplink data packet.
  • the header of the uplink data packet is outside the packet header of the packet data convergence protocol PDCP protocol data unit PDU.
  • a communication node for performing the method of any of the above-described seventh or seventh possible implementations.
  • the communication node comprises means for performing the method of any of the above-described seventh aspect or any of the possible implementations of the seventh aspect.
  • a communication node for performing the method of any of the above eighth or eighth possible implementations.
  • the communication node comprises means for performing the method of any of the above-described eighth aspect or any of the possible implementations of the eighth aspect.
  • a communication node comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described seventh aspect or any of the possible implementations of the seventh aspect.
  • a communication node comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above eighth or eighth possible implementations.
  • a thirteenth aspect a chip for implementing the method of any of the foregoing first aspect or any possible implementation of the first aspect, or the method of any of the foregoing seventh or seventh aspect, .
  • the chip includes: a processor for calling and running a computer program from the memory, such that the device on which the chip is mounted performs the method in any of the possible implementations of the first aspect or the first aspect, or A method in any of the possible implementations of the seventh aspect or the seventh aspect.
  • a chip is provided for implementing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect, or the method of any of the foregoing eighth or eighth possible aspect .
  • the chip includes: a processor for calling and running a computer program from the memory, such that the device on which the chip is mounted performs the method in any of the possible implementations of the second aspect or the second aspect, or The method of any of the eighth aspect or any possible implementation of the eighth aspect.
  • a fifteenth aspect a computer storage medium for storing a method in performing any of the above first aspect or any of the possible implementations of the first aspect, or any possible implementation of the second aspect or the second aspect above
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the above-described first aspect or any of the alternative implementations of the first aspect, or The method of any of the alternative implementations of the second aspect or the second aspect, or the method of any of the foregoing seventh or seventh aspect, or any of the foregoing eighth or eighth aspects The method in the implementation.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic block diagram of a method for routing a relay according to an embodiment of the present application.
  • FIG. 3 is another schematic block diagram of a method for routing a relay according to an embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 5 shows another schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 6 shows still another schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 7 shows still another schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 8 is a schematic block diagram showing a method of data processing of a relay network according to an embodiment of the present application.
  • FIG. 9 is still another schematic block diagram of a method for routing a relay according to an embodiment of the present application.
  • Figure 10 shows a network architecture diagram of a relay system.
  • FIG. 11 shows still another schematic block diagram of a communication node in the embodiment of the present application.
  • FIG. 12 shows still another schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 13 shows still another schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 14 shows still another schematic block diagram of a communication node of an embodiment of the present application.
  • FIG. 15 shows a schematic block diagram of a chip of an embodiment of the present application.
  • FIG. 16 shows another schematic block diagram of a chip of an embodiment of the present application.
  • FIG. 17 shows still another schematic block diagram of the chip of the embodiment of the present application.
  • FIG. 18 shows still another schematic block diagram of the chip of the embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a central node 110, which can be an anchor node, that is, a donor node, which can be connected to a network device by a wired means.
  • the central node 110 itself It can also be a fixed access access network node or a core network node.
  • the wireless communication system 100 can also include one or more relay nodes 120 that can be connected to the central node 110 in a wireless manner for forwarding data packets between the terminal and the network.
  • the wireless communication system 100 can also include one or more terminal devices 130.
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a central node 110, which can be an anchor node, that is, a donor node, which can be connected to a network device by a wired means.
  • the central node 110 itself It can also be a fixed access access network node or
  • the relay node with fewer hops between the two connected relay nodes 120 and the network device is the parent node of the relay node with more hops between the network devices, and similarly, A relay node having a larger number of hops with a network device is a child node of a relay node having fewer hops with the network device.
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 exemplarily shows one central node, five relay nodes, and two terminal devices.
  • the wireless communication system 100 may include multiple relay nodes, and each relay node may connect to other numbers.
  • the terminal device is not limited in this embodiment.
  • the embodiment of the present application is not limited to the relay extension between the network nodes shown in FIG. 1 , and may also be applied to the relay expansion between terminal devices, for example, there may be one between the terminal device and the terminal device. Multiple relay nodes to forward packets.
  • FIG. 2 is a schematic block diagram of a routing method 200 of a relay according to an embodiment of the present application.
  • the current relay node shown in FIG. 2 may be the relay node 120 as shown in FIG. 1, and the routing method 200 includes some or all of the following contents:
  • the current relay node receives the data packet, and the packet header of the data packet includes an address of the destination node of the data packet.
  • the current relay node determines whether to forward the data packet according to the address of the destination node.
  • the current relay node in the embodiment of the present application may be a relay node directly connected to the central node through the relay layer as shown in FIG. 1, or may be wirelessly connected through the relay layer and the relay node.
  • the connected relay node may also be a relay node that is directly connected to the terminal device through the relay layer.
  • the relay layer of the relay node may be in an entity with a Packet Data Convergence Protocol (PDCP) layer, or may be an entity independent of the PDCP. Therefore, the packet header of the data packet in the embodiment of the present application may be in the header of the PDCP protocol data unit (PDU), or may be outside the packet header of the PDCP PDU.
  • PDCP Packet Data Convergence Protocol
  • the data packet may be an uplink data packet, a downlink data packet, or an uplink data packet and a downlink data packet.
  • the packet header of the data packet may include the address of the destination node of the data packet, in addition to the address of the destination node of the data packet.
  • the following row data packet is taken as an example.
  • the current relay node receives the data packet sent by the parent node of the current relay node, and the current relay node may according to the destination node of the data packet carried in the packet header of the received data packet.
  • the address determines whether the packet belongs to itself. If it belongs to itself, it directly performs data processing. If it does not belong, it continues to forward according to the address of the destination node.
  • the address of the destination node may be the address of the terminal device to which the data packet belongs, or may be the address of the relay node directly connected to the terminal device, and the address of the destination node may also include the data packet to which the data packet belongs.
  • the address of the terminal device may also include the address of the relay node directly connected to the terminal device to which the data packet belongs.
  • the routing method of the relay in the embodiment of the present application is beneficial to improving the performance of the relay network.
  • the routing method further includes: when the current relay node determines to forward the data packet, the current relay node determines to forward the data packet to the at least one relay node.
  • the current relay node determines that the data packet does not belong to itself, the current relay node forwards the data packet. For example, when the data packet is an uplink data packet, the current relay node may directly forward the data packet to its own parent node, and there may be multiple parent nodes connected to the current relay node, and the current relay node may Select one or more relay nodes to forward.
  • the routing method before the current relay node receives the data packet, further includes: the current relay node receiving a routing table sent by the central node, where the routing table is used to indicate the data. And a transmission path of the packet from the source node to the destination node; the current relay node determines to forward the data packet to the at least one relay node, including: determining, by the current relay node, forwarding to the at least one relay node according to the routing table The packet.
  • the central node may forward the topology relationship between the terminal device and the central node, that is, the routing table in the embodiment of the present application, to the relay node on the transmission path in advance, and it should be understood that in a certain terminal device and the center There may be more than one path between nodes, and the central node may send the routing table to the relay nodes on each path.
  • the current relay node receives a certain data packet, and determines that the data packet needs to be forwarded, the current relay node can determine, according to the routing table, which relay node forwards the data packet.
  • the current relay node is a relay node directly connected to the terminal device to which the data packet belongs, that is, only one hop between the destination node of the data packet and the current relay node, the current relay A node can forward directly to the terminal device without using a routing table.
  • the data packet is an uplink data packet, since the destination address of the data packet must be a network device, the current relay node may directly use any routing table or any parent node. Forward the packet.
  • the current relay node determines to forward the data packet to the at least one relay node, including: determining, by the current relay node, forwarding the data packet to the at least one relay node according to the channel quality. data pack.
  • the current relay node may directly select one or more according to channel quality of each next hop relay node.
  • the node forwards the packet.
  • the routing method further includes: when the current relay node is faulty, the current relay node reports the fault information to the central node, so that the central node updates the routing table.
  • the routing table is used to indicate the transmission path of the data packet from the source node to the destination node.
  • the relay node can report to the central node, and the central node can re-update the routing table according to the fault information, and deliver the updated routing table. Give each relevant relay node. That is to say, the central node can continuously update the routing table according to the real-time connection status.
  • the address of the destination node of the data packet and/or the address of the source node may be allocated by the central node.
  • Embodiment 1 The current relay node receives the data packet, including: the current relay node receives the first data packet and the second data packet, and the address of the destination node of the first data packet and the destination node of the second data packet The address is the same; the current relay node determines to forward the data packet to the at least one relay node, including: the current relay node determines to forward the first data packet to the first one of the at least one relay node, And the current relay node determines to forward the second data packet to the second one of the at least one relay node. That is to say, the current relay node can receive a plurality of data packets belonging to the same destination node, and forward the plurality of data packets to the plurality of relay nodes in a one-to-one correspondence.
  • Embodiment 2 The current relay node receives the data packet, including: the current relay node receives the first data packet; the routing method further includes: the current relay node replicating the first data packet; the current relay Determining, by the node, forwarding the data packet to the at least one relay node, the method includes: the current relay node determining to forward the first data packet to the first one of the at least one relay node, and determining to the at least one relay The second relay node in the node forwards the copied first data packet. That is to say, the current relay node has the function of copying data, and can copy the received data packet into a plurality of data packets, and forward the copied plurality of data packets to the plurality of relay nodes in a one-to-one correspondence.
  • Embodiment 3 The current relay node receives the data packet, including: the current relay node receives the first data packet; the routing method further includes: the current relay node replicating the first data packet; the current relay Determining, by the node, forwarding the data packet to the at least one relay node, the: the current relay node determining to forward the first data packet to the first one of the at least one relay node using the first logical channel, and determining to use The second logical channel forwards the copied first data packet to the first relay node.
  • the current relay node has a function of copying data, and can copy the received data packet into multiple data packets, and use multiple logical channels to forward the copied multiple data packets to the same relay node in a one-to-one correspondence.
  • the plurality of logical channels may be used to forward the copied plurality of data packets to different relay nodes in a one-to-one correspondence.
  • Embodiment 4 The current relay node receives the data packet, including: the current relay node receives the first data packet by using the first logical channel; and the current relay node determines to forward the data packet to the at least one relay node, including: The current relay node forwards the first data packet to the at least one relay node by using the first logical channel. That is to say, the data packet received by the current relay node through which logical channel can still use the logical channel to forward the data packet to at least one relay node.
  • Embodiment 5 The current relay node receives the data packet, including: the current relay node receives the first data packet by using the first logical channel; and the current relay node determines to forward the data packet to the at least one relay node, including: The current relay node forwards the first data packet to the at least one relay node by using a second logical channel according to the configuration information.
  • the current relay node may further select a logical channel to forward the data packet based on a certain rule, and the rule may be, for example, a routing table configured by the central node.
  • Embodiment 6 The current relay node receives the data packet, including: the current relay node receives the first data packet by using the first logical channel; and the current relay node determines to forward the data packet to the at least one relay node, including: The current relay node forwards the first data packet to the at least one relay node by using a second logical channel according to an indication of the relay layer.
  • the current relay node may additionally select a logical channel to forward the data packet based on the indication of the relay layer. For example, the identity of the logical channel can be carried in the header of the data packet.
  • the current relay node may also determine which logical channel to use to forward the data packet based on both the configuration information of the central node and the indication of the relay layer.
  • Embodiment 7 The current relay node receives the data packet, including: the current relay node receives the first data packet and the second data packet, and the address of the destination node of the first data packet and the destination node of the second data packet The address is the same; the current relay node determines to forward the data packet to the at least one relay node, including: the current relay node determines to forward the first data packet to the first one of the at least one relay node, And the current relay node determines to forward the second data packet to the first relay node. That is to say, the current relay node can receive multiple data packets belonging to the same destination node and forward the multiple data packets to the same relay node.
  • Embodiment 8 The current relay node receives the data packet, including: the current relay node receives the first data packet and the second data packet, and the address of the destination node of the first data packet and the destination node of the second data packet
  • the routing method is further configured to: the current relay node detects whether the first data packet and the second data packet are duplicate data packets according to a PDCP layer sequence number of the data packet; the current relay node determines to at least one Forwarding, by the relay node, the data packet, if the first data packet and the second data packet are duplicate data packets, the current relay node determines to send the first data packet or the second to the at least one relay node a data packet; or if the first data packet and the second data packet are non-duplicate data packets, the current relay node determines to send the first data packet and the second data packet to the at least one relay node.
  • the relay node has a function of detecting duplicate data packets.
  • the relay node detects whether there are duplicate data packets in the plurality of data packets, specifically If the PDCP service data unit (SDU) has the same or different serial number, if it is the same, it is a duplicate data packet, and if it is not the same, it is a non-repetitive data packet.
  • the relay node detects that some data packets are duplicated, the relay node forwards the repeated data packets only once, that is, the repeated data packets can be discarded.
  • the relay node detects that multiple data packets are not duplicated, and the relay node can directly forward the multiple data packets.
  • FIG. 3 is a schematic block diagram of a method 300 for relaying a relay according to an embodiment of the present application. As shown in FIG. 3, the method 300 includes the following parts or all of the contents:
  • the central node sends a routing table to the first relay node, where the routing table is used to indicate a transmission path between the source node and the destination node.
  • the routing method of the relay in the embodiment of the present application is beneficial to improving the performance of the relay network.
  • the routing method further includes: when the first relay node is faulty, the central node receives the fault information reported by the first relay node; Fault information, update the routing table.
  • the central node is an anchor node, a fixed access access network node, or a core network node.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the present application.
  • the implementation of the examples constitutes any limitation.
  • the routing method of the relay according to the embodiment of the present application is described in detail above.
  • the routing device of the relay network according to the embodiment of the present application will be described below with reference to FIG. 4 to FIG. 7.
  • the technical features described in the method embodiment are applicable to The following device examples.
  • FIG. 4 shows a schematic block diagram of a communication node 400 of an embodiment of the present application.
  • the communication node 400 is a current relay node, and the communication node 400 includes:
  • a first receiving unit 410 configured to receive a data packet, where a packet header of the data packet includes an address of a destination node of the data packet;
  • the first determining unit 420 is configured to determine, according to an address of the destination node, whether to forward the data packet.
  • the communication node of the embodiment of the present application is advantageous for improving the performance of the relay network.
  • the communication node 400 may correspond to the current relay node in the method embodiment of the present application, and the above and other operations and/or functions of the respective units in the communication node 400 are respectively implemented in order to implement the method of FIG.
  • the corresponding flow of the communication node in the middle, for brevity, will not be described here.
  • FIG. 5 shows a schematic block diagram of a communication node 500 of an embodiment of the present application.
  • the communication node 500 is a central node, and the communication node 500 includes:
  • the sending unit 510 is configured to send a routing table to the first relay node, where the routing table is used to indicate a transmission path between the source node and the destination node.
  • the communication node of the embodiment of the present application is advantageous for improving the performance of the relay network.
  • the communication node 500 may correspond to a central node in the method embodiment of the present application, and the above and other operations and/or functions of the respective units in the communication node 500 respectively implement communication in the method of FIG.
  • the corresponding process of the node is not described here for brevity.
  • the embodiment of the present application further provides a communication node 600, which may be the communication node 400 in FIG. 4, which can be used to execute a current relay node corresponding to the method 100 in FIG. Content.
  • the communication node 600 includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected by a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the communication node of the embodiment of the present application is advantageous for improving the performance of the relay network.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the first determining unit, the second determining unit, the third determining unit, the processing unit, and the detecting unit in the communication node 400 may be implemented by the processor 630 in FIG. 6, and the reporting unit of the communication node 400 may Implemented by the output interface 620 of FIG. 6, the first receiving unit and the second receiving unit of the communication node 400 can be implemented by the input interface 610 of FIG.
  • the embodiment of the present application further provides a communication node 700, which may be the communication node 500 in FIG. 5, which can be used to execute the content of the central node corresponding to the method 200 in FIG. .
  • the communication node 700 includes an input interface 710, an output interface 720, a processor 730, and a memory 740.
  • the input interface 710, the output interface 720, the processor 730, and the memory 740 can be connected by a bus system.
  • the memory 740 is for storing programs, instructions or code.
  • the processor 730 is configured to execute a program, an instruction or a code in the memory 740 to control the input interface 710 to receive a signal, control the output interface 720 to transmit a signal, and complete the operations in the foregoing method embodiments.
  • the communication node of the embodiment of the present application is advantageous for improving the performance of the relay network.
  • the processor 730 may be a central processing unit (CPU), and the processor 730 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 740 can include read only memory and random access memory and provides instructions and data to the processor 730. A portion of the memory 740 can also include a non-volatile random access memory. For example, the memory 740 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 730 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 740, and the processor 730 reads the information in the memory 740 and combines its hardware to perform the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the transmitting unit in the communication node 500 can be implemented by the output interface 720 in FIG. 7, and the receiving unit in the communication node 500 can be implemented by the input interface 710 in FIG.
  • the processing unit in communication node 500 can be implemented by processor 730 in FIG.
  • the backhaul between the base stations and the base station and the core network uses a wired connection, which brings greater deployment difficulty and higher network cost to the operator.
  • 3GPP 3rd Generation Partnership Project
  • the relay system is an integrated access and backhaul link (IAB), and the relay node (RN, Relay Node) is wirelessly connected to its home eNB cell, also called IAB-node, the home cell.
  • IAB integrated access and backhaul link
  • Donor cell the home eNB of the relay node is called Donor eNB (DeNB), also known as IAB-donor. It mainly includes three radio links: a backhaul link between the RN and the DeNB, an access link between the UE and the RN, and a direct link between the UE and the eNB (Direct link) ).
  • the network architecture of the relay system can be as shown in FIG.
  • FIG. 8 is a schematic block diagram of a method 800 of data processing of a relay network in an embodiment of the present application.
  • the network anchor node shown in FIG. 8 may be the central node 110 as shown in FIG. 1, ie, IAB-donor, and the method 800 includes some or all of the following:
  • the network anchor node receives a data packet, where the packet header of the data packet includes first information, where the first information is used to indicate a source address of the data packet.
  • the network anchor node determines, according to the first information, a source address of the data packet.
  • the network anchor node that is, the IAB-donor, can receive the data packet, and the data packet can be an uplink data packet, a downlink data packet, or multiple data packets, including an uplink data packet and a downlink data packet.
  • the packet header of each data packet includes information indicating the source address of the corresponding data packet, for example, the data packet is an uplink data packet, that is, the data packet may be directly sent by the terminal device to the network anchor node. Then, the source address of the data packet is considered to be the address of the terminal device, and the data packet may also be sent by the relay node to the network anchor node, and the source address of the data packet may be regarded as the address of the relay node.
  • the data packet is a downlink data packet, and the data packet may be sent by a core network device, and the source address of the data packet may be an address of the core network.
  • the network anchor node may further process the data packet. For example, if the network anchor node receives multiple data packets and obtains the source addresses of the multiple data packets, the network anchor node may determine whether the source addresses of the multiple data packets are the same address, and if so, Then, the plurality of data packets may be sent to the upper layer of the corresponding source address for processing, and if not, the upper layer corresponding to the different source addresses may be separately processed for processing. After the network anchor node obtains the source address of the data packet, it needs to be processed. The embodiment of the present application does not limit this, and is not described here.
  • the first information is used to indicate at least one of the following information: a type of a node that sends the uplink data packet, the type includes a terminal device or a relay node; and the uplink is sent.
  • the uplink data packet may be directly sent by the terminal device to the network anchor node, or may be sent by the relay node to the network anchor node.
  • FIG. 9 is a schematic block diagram of a routing method 900 of a relay according to an embodiment of the present application.
  • the network anchor node shown in FIG. 9 may be the relay node 120, ie, IAB-node, as shown in FIG. 1, and the method 900 includes some or all of the following:
  • the current relay node receives an uplink data packet.
  • the current relay node forwards the uplink data packet to a higher-level relay node that serves the current relay node.
  • a node of a node is also called a parent node, and a node of the next level is also called a child node.
  • DeNB is a parent node
  • RN2 is a child node
  • RN1 is a parent node
  • UE is a child node.
  • the relay node may directly forward the data packet to the first-level relay node. If a relay node receives a data packet sent by its parent node, it can consider that the data packet is a downlink data packet. If a relay node receives a data packet sent by its child node, it can consider that the data packet is uplink. data pack. After the relay node receives the uplink data packet, the relay node can forward the uplink data packet to its parent node. Each relay node may have multiple parent nodes. After receiving multiple data packets, the relay node may select one of the parent nodes to forward, or may forward to multiple parent nodes.
  • the header of the uplink data packet may further include a source address and/or a target address of the uplink data packet.
  • the relay node receives the uplink data packet, it can determine whether it belongs to its own data packet according to the target address, and then the data packet can be processed. Similarly, the relay node can also process the data packet with the source address of the data packet. For example, uplink packets belonging to the same source address are sent to the same upper-level relay node.
  • the relay layer of the relay node may be in an entity with a Packet Data Convergence Protocol (PDCP) layer, it may also be an entity independent of the PDCP. Therefore, the packet header of the data packet in the embodiment of the present application may be in the header of the PDCP protocol data unit (PDU), or may be outside the packet header of the PDCP PDU.
  • PDCP Packet Data Convergence Protocol
  • Embodiment 1 The current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet; the routing method further includes: the current relay node replicating the first uplink data packet;
  • the upper relay node includes a first relay node and a second relay node, and the current relay node forwards the uplink data packet to the upper relay node serving the current relay node, including: the current relay The node forwards the first uplink data packet to the first relay node, and forwards the copied first uplink data packet to the second relay node.
  • the current relay node has the function of copying data, and can copy the received uplink data packet into multiple uplink data packets, and forward the copied multiple uplinks to the plurality of upper-level relay nodes in a one-to-one correspondence. data pack.
  • Embodiment 2 The current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet; the routing method further includes: the current relay node replicating the first uplink data packet; The upper relay node includes a first relay node, and the current relay node forwards the uplink data packet to a higher-level relay node serving the current relay node, including: the current relay node uses the first logical channel Forwarding the first uplink data packet to the first relay node, and forwarding the copied first uplink data packet to the first relay node by using the second logical channel.
  • the current relay node has a function of copying data, and can copy the received uplink data packet into multiple uplink data packets, and use one or more logical channels to forward and copy the same uplink relay node to the same upper-level relay node. Multiple upstream packets.
  • the plurality of logical channels may be used to forward the copied plurality of uplink data packets to different relay nodes in a one-to-one correspondence.
  • Embodiment 3 The current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet by using the first logical channel; and the current relay node sends the uplink data node to the upper level of the current relay node. After the node forwards the uplink data packet, the current relay node forwards the first uplink data packet to the upper-level relay node by using the first logical channel. That is to say, the uplink data packet received by the current relay node through which logical channel can still use the logical channel to forward the uplink data packet to the at least one upper-level relay node.
  • Embodiment 4 The current relay node receives an uplink data packet, including: the current relay node receives a first uplink data packet by using a first logical channel; and the current relay node sends a current uplink node to a higher level of the current relay node. After the node forwards the first uplink data packet, the current relay node forwards the first uplink data packet to the upper-level relay node by using the second logical channel according to the configuration information. In other words, after receiving the uplink data packet through a certain logical channel, the current relay node may further select a logical channel to forward the data packet based on a certain rule, and the rule may be, for example, a routing table configured by the network anchor node.
  • Embodiment 5 The current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet by using the first logical channel; and the current relay node sends the uplink data node to the upper level of the current relay node. After the node forwards the uplink data packet, the current relay node forwards the first uplink data packet to the upper-level relay node by using the second logical channel according to the indication of the relay layer. Similarly, after receiving the uplink data packet through a certain logical channel, the current relay node may additionally select one logical channel to forward the uplink data packet based on the indication of the relay layer. For example, the identity of the logical channel can be carried in the header of the data packet. The current relay node may also determine which logical channel to use to forward the uplink data packet according to the information configured by the network anchor node and the indication of the relay layer.
  • the upper relay node includes a first relay node and a second relay node, and the current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet and the second An uplink data packet, the source address of the first uplink data packet is the same as the address of the source node of the second uplink data packet; and the current relay node forwards the uplink data to the upper-level relay node serving the current relay node.
  • the packet includes: the current relay node forwarding the first uplink data packet to the first relay node, and the current relay node forwarding the second uplink data packet to the first relay node. That is to say, the current relay node can receive multiple uplink data packets belonging to the same source node, and forward the multiple uplink data packets to the same upper-level relay node.
  • Embodiment 7 The current relay node receives the uplink data packet, including: the current relay node receives the first uplink data packet and the second uplink data packet, and the source address of the first uplink data packet and the second uplink data packet The source address is the same; the routing method further includes: the current relay node detecting, according to the packet data convergence protocol PDCP layer sequence number of the data packet, whether the first uplink data packet and the second uplink data packet are duplicate data packets; The relay node forwards the uplink data packet to the upper-level relay node that serves the current relay node, including: if the first uplink data packet and the second uplink data packet are duplicate data packets, the current relay node The first relay node sends the first uplink data packet or the second uplink data packet; or if the first uplink data packet and the second uplink data packet are non-duplicate data packets, the current relay node sends the The upper relay node sends the first uplink data packet and the second uplink data packet.
  • the routing method
  • the PDCP service data unit may have the same or different sequence numbers, if they are the same, the data packets are duplicated, and if they are not the same, the data packets are non-duplicate data packets.
  • the relay node detects that some uplink data packets are repeated, the relay node forwards the repeated data packets only once, that is, the repeated data packets can be discarded.
  • the relay node detects that multiple data packets are not duplicated, and the relay node can directly forward the multiple data packets.
  • FIG. 11 shows a schematic block diagram of a communication node 1000 of an embodiment of the present application.
  • the communication node 1000 is a network anchor node. As shown in FIG. 11, the communication node 1000 includes:
  • the receiving unit 1010 is configured to receive a data packet, where the packet header of the data packet includes first information, where the first information is used to indicate a source address of the data packet;
  • the determining unit 1020 is configured to determine, according to the first information, a source address of the data packet.
  • the data packet is an uplink data packet.
  • the first information is used to indicate at least one of the following information: a type of a node that sends the uplink data packet, the type includes a terminal device or a relay node; and the uplink is sent.
  • a type of a node that sends the uplink data packet the type includes a terminal device or a relay node; and the uplink is sent.
  • the address of the terminal device of the data packet the address of the relay node that sent the upstream data packet.
  • the communications node further includes: a processing unit, configured to process the data packet according to the source address of the data packet.
  • the communication node 1000 may correspond to the network anchor node in the method embodiment of the present application, and the above and other operations and/or functions of the respective units in the communication node 1000 are respectively implemented in the method of FIG.
  • the corresponding process of the network anchor node is not described here for brevity.
  • FIG. 12 shows a schematic block diagram of a communication node 2000 of an embodiment of the present application.
  • the communication node 2000 is a current relay node. As shown in FIG. 12, the communication node 2000 includes:
  • the receiving unit 2010 is configured to receive an uplink data packet.
  • the sending unit 2020 is configured to forward the uplink data packet to a higher-level relay node that serves the current relay node.
  • the receiving unit is specifically configured to: receive the first uplink data packet; the communications node further includes: a copying unit, configured to copy the first uplink data packet.
  • the upper-level relay node includes a first relay node and a second relay node, where the sending unit is specifically configured to: forward the first uplink to the first relay node. a data packet, and forwarding the copied first uplink data packet to the second relay node.
  • the upper-level relay node includes a first relay node, where the sending unit is specifically configured to: forward the first uplink data to the first relay node by using a first logical channel. And forwarding, by the second logical channel, the copied first uplink data packet to the first relay node.
  • the receiving unit is specifically configured to: receive the first uplink data packet by using the first logical channel; the sending unit is specifically configured to: use the first logical channel to relay to the upper level The node forwards the first uplink data packet.
  • the receiving unit is specifically configured to: receive the first uplink data packet by using the first logical channel; the sending unit is specifically configured to: use the second logical channel to use the second logical channel according to the configuration information.
  • the level relay node forwards the first uplink data packet.
  • the configuration information is determined by a network anchor node.
  • the receiving unit is specifically configured to: receive the first uplink data packet by using the first logical channel; the sending unit is specifically configured to: use the second logical channel according to the indication of the relay layer The upper relay node forwards the first uplink data packet.
  • the upper-level relay node includes a first relay node and a second relay node
  • the receiving unit is specifically configured to: receive the first uplink data packet and the second uplink data packet.
  • the source address of the first uplink data packet is the same as the address of the source node of the second uplink data packet.
  • the sending unit is specifically configured to: forward the first uplink data packet to the first relay node, and send the first uplink data packet to the first A relay node forwards the second uplink data packet.
  • the receiving unit is specifically configured to: receive a first uplink data packet and a second uplink data packet, where a source address of the first uplink data packet and a source address of the second uplink data packet
  • the communication node further includes: a detecting unit, configured to detect, according to the packet data convergence protocol PDCP layer serial number of the data packet, whether the first uplink data packet and the second uplink data packet are duplicate data packets.
  • the sending unit is specifically configured to: if the first uplink data packet and the second uplink data packet are duplicate data packets, send the first uplink to the upper-level relay node. a data packet or the second uplink data packet; or if the first uplink data packet and the second uplink data packet are non-duplicate data packets, send the first uplink data packet and the second to the upper-level relay node Upstream packet.
  • the packet header of the uplink data packet includes first information, where the first information is used to indicate a source address and/or a target address of the uplink data packet.
  • the header of the uplink data packet is outside the packet header of the packet data convergence protocol PDCP protocol data unit PDU.
  • the communication node 2000 may correspond to the current relay node in the method embodiment of the present application, and the above and other operations and/or functions of the respective units in the communication node 2000 respectively implement the method of FIG.
  • the corresponding process of the current relay node is not described here for brevity.
  • the embodiment of the present application further provides a communication node 3000, which may be the communication node 1000 in FIG. 11, which can be used to execute the content of the communication node corresponding to the method 800 in FIG. .
  • the communication node 3000 shown in FIG. 13 includes a processor 3010 that can call and run a computer program from memory to implement the method in the embodiments of the present application.
  • the communication node 3000 may further include a memory 3020.
  • the processor 3010 can call and run a computer program from the memory 3020 to implement the method in the embodiment of the present application.
  • the memory 3020 may be a separate device independent of the processor 3010 or may be integrated in the processor 3010.
  • the communication node 3000 may further include a transceiver 3030, and the processor 3010 may control the transceiver 3030 to communicate with other devices, in particular, may send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 3010 may control the transceiver 3030 to communicate with other devices, in particular, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 3030 can include a transmitter and a receiver.
  • the transceiver 3030 may further include an antenna, and the number of the antennas may be one or more.
  • the communication node 3000 can be the network anchor node of the embodiment of the present application, and the communication node 3000 can implement the corresponding process implemented by the network anchor node in each method of the embodiment of the present application. Narration.
  • the receiving unit in the communication node 1000 can be implemented by the transceiver 3030 in FIG.
  • the determining unit and processing unit in the communication node 1000 can be implemented by the processor 3010 in FIG.
  • the embodiment of the present application further provides a communication node 4000, which may be the communication node 1000 in FIG. 12, which can be used to execute the content of the communication node corresponding to the method 900 in FIG. .
  • the communication node 4000 shown in FIG. 14 includes a processor 4010 that can call and run a computer program from memory to implement the methods in the embodiments of the present application.
  • the communication node 4000 may further include a memory 4020.
  • the processor 4010 can call and run a computer program from the memory 4020 to implement the method in the embodiment of the present application.
  • the memory 4020 may be a separate device independent of the processor 4010 or may be integrated in the processor 4010.
  • the communication node 4000 may further include a transceiver 4030, and the processor 4010 may control the transceiver 4030 to communicate with other devices, in particular, may send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 4010 may control the transceiver 4030 to communicate with other devices, in particular, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 4030 can include a transmitter and a receiver.
  • the transceiver 4030 may further include an antenna, and the number of the antennas may be one or more.
  • the communication node 4000 can be the network anchor node of the embodiment of the present application, and the communication node 4000 can implement the corresponding process implemented by the network anchor node in each method of the embodiment of the present application. Narration.
  • the receiving unit and the transmitting unit in the communication node 2000 can be implemented by the transceiver 4030 in FIG.
  • the detection unit in communication node 2000 can be implemented by processor 4010 in FIG.
  • FIG. 15 is a schematic block diagram of a chip 5000 in accordance with an embodiment of the present application.
  • the chip 5000 shown in FIG. 15 includes a processor 5010 that can call and run a computer program from memory to implement the method 100 in an embodiment of the present application.
  • the chip 5000 may further include a memory 5020.
  • the processor 5010 can call and run a computer program from the memory 5020 to implement the method in the embodiment of the present application.
  • the memory 5020 may be a separate device independent of the processor 5010 or may be integrated in the processor 5010.
  • the chip 5000 may further include an input interface 5030.
  • the processor 5010 can control the input interface 5030 to communicate with other devices or chips. Specifically, information or data sent by other devices or chips can be acquired.
  • the chip 5000 may further include an output interface 5040.
  • the processor 5010 can control the output interface 5040 to communicate with other devices or chips. Specifically, information or data can be output to other devices or chips.
  • the chip can be applied to the current relay node in the embodiment of the present application, and the chip can implement the corresponding process implemented by the current relay node in the method 200 of the embodiment of the present application. Narration.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system level chip, a system chip, a chip system or a system on chip.
  • FIG. 16 is a schematic block diagram of a chip 6000 in accordance with an embodiment of the present application.
  • the chip 6000 shown in FIG. 16 includes a processor 6010 that can call and run a computer program from memory to implement the method 100 in the embodiments of the present application.
  • the chip 6000 may further include a memory 6020.
  • the processor 6010 can call and run a computer program from the memory 6020 to implement the method in the embodiment of the present application.
  • the memory 6020 may be a separate device independent of the processor 6010 or may be integrated in the processor 6010.
  • the chip 6000 can also include an input interface 6030.
  • the processor 6010 can control the input interface 6030 to communicate with other devices or chips. Specifically, information or data sent by other devices or chips can be acquired.
  • the chip 6000 can also include an output interface 6040.
  • the processor 6010 can control the output interface 6040 to communicate with other devices or chips. Specifically, information or data can be output to other devices or chips.
  • the chip can be applied to the central node in the embodiment of the present application, and the chip can implement the corresponding process implemented by the central node in the method 300 of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the central node in the method 300 of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system level chip, a system chip, a chip system or a system on chip.
  • FIG. 17 is a schematic block diagram of a chip 7000 in accordance with an embodiment of the present application.
  • the chip 7000 shown in FIG. 17 includes a processor 7010 that can call and run a computer program from the memory to implement the method 100 in the embodiments of the present application.
  • the chip 7000 may further include a memory 7020.
  • the processor 7010 can call and run a computer program from the memory 7020 to implement the method in the embodiment of the present application.
  • the memory 7020 may be a separate device independent of the processor 7010 or may be integrated in the processor 7010.
  • the chip 7000 may further include an input interface 7030.
  • the processor 7010 can control the input interface 7030 to communicate with other devices or chips. Specifically, information or data sent by other devices or chips can be acquired.
  • the chip 7000 may further include an output interface 7040.
  • the processor 7010 can control the output interface 7040 to communicate with other devices or chips. Specifically, information or data can be output to other devices or chips.
  • the chip can be applied to the network anchor node in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network anchor node in the method 800 of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network anchor node in the method 800 of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system level chip, a system chip, a chip system or a system on chip.
  • FIG. 18 is a schematic block diagram of a chip 8000 in accordance with an embodiment of the present application.
  • the chip 8000 shown in FIG. 18 includes a processor 8010 that can be called from a memory and run a computer program to implement the method 100 in the embodiments of the present application.
  • the chip 8000 may further include a memory 8018.
  • the processor 8010 can call and run a computer program from the memory 8018 to implement the method in the embodiment of the present application.
  • the memory 8018 may be a separate device independent of the processor 8010 or may be integrated in the processor 8010.
  • the chip 8000 may further include an input interface 8030.
  • the processor 8010 can control the input interface 8030 to communicate with other devices or chips. Specifically, information or data sent by other devices or chips can be acquired.
  • the chip 8000 may further include an output interface 8040.
  • the processor 8010 can control the output interface 8040 to communicate with other devices or chips. Specifically, information or data can be output to other devices or chips.
  • the chip can be applied to the current relay node in the embodiment of the present application, and the chip can implement the corresponding process implemented by the current relay node in the method 900 of the embodiment of the present application. Narration.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system level chip, a system chip, a chip system or a system on chip.
  • the processor mentioned above may be a general purpose processor, a digital signal processor (DSP), a field programmable gate array (FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • Other programmable logic devices transistor logic devices, discrete hardware components, and the like.
  • the above-mentioned general-purpose processor may be a microprocessor or may be any conventional processor or the like.
  • the memory mentioned above may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • ROM read-only memory
  • PROM programmable read only memory
  • EEPROM electrical Erase programmable EPROM
  • flash memory a random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM dynamic random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • DDR double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous connection Synchro link DRAM
  • DR RAM direct memory bus
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本申请实施例公开了一种中继的路由方法和通信节点,该路由方法包括:当前中继节点接收数据包,所述数据包的报文头包括所述数据包的目的节点的地址;所述当前中继节点根据所述目的节点的地址,确定是否转发所述数据包。本申请实施例的路由方法和通信节点,有利于提高中继网络的性能。

Description

中继的路由方法和通信节点
本申请要求于2018年1月9日提交中国专利局、申请号为PCT/CN2018/071974、发明名称为“中继的路由方法和通信节点”的PCT申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信领域,并且更具体地,涉及一种中继的路由方法和通信节点。
背景技术
随着通信业务的发展以及人们需求的增长,未来的无线通信系统需要支持高速率、大容量。因此,在新无线(New Radio,NR)中引入了无线中继,所谓无线中继就是指在网络与终端之间通过一个或多个中继节点进行接力传输的一种技术。而在中继网络中,如何建立路由拓扑关系是需要解决的一个问题。
发明内容
有鉴于此,本申请实施例提供了一种中继的路由方法和通信节点,有利于提高中继网络的性能。
第一方面,提供了一种中继的路由方法,该路由方法包括:当前中继节点接收数据包,该数据包的报文头包括该数据包的目的节点的地址;该当前中继节点根据该目的节点的地址,确定是否转发该数据包。
在一种可能的实现方式中,该路由方法还包括:在该当前中继节点确定转发该数据包的情况下,该当前中继节点确定向至少一个中继节点转发该数据包。
在一种可能的实现方式中,在该当前中继节点接收该数据包之前,该路由方法还包括:该当前中继节点接收中心节点发送的路由表,该路由表用于指示该数据包从源节点到该目的节点的传输路径;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点根据该路由表,确定向该至少一个中继节点转发该数据包。
在一种可能的实现方式中,该当前中继节点确定向该至少一个中继节点转发该数据包,包括:该当前中继节点根据信道质量,确定向该至少一个中继节点转发该数据包。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包和第二数据包,该第一数据包的目的节点的地址与该第二数据包的目的节点的地址相同;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定向该至少一个中继节点中的第一中继节点转发该第一数据包,以及该当前中继节点确定向该至少一个中继节点中的第二中继节点转发该第二数据包。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包;该路由方法还包括:该当前中继节点对该第一数据包进行复制。
在一种可能的实现方式中,该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定向该至少一个中继节点中的第一中继节点转发该第一数据包,以及确定向该至少一个中继节点中的第二中继节点转发复制后的该第一数据包。
在一种可能的实现方式中,该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定使用第一逻辑信道向该至少一个中继节点中的第一中继节点转发该第一数据包,以及确定使用第二逻辑信道向该第一中继节点转发复制后的该第一数据包。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点使用第一逻辑信道接收第一数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点使用该第一逻辑信道向该至少一个中继节点转发该第一数据包。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点使用第一逻辑信道接收第一数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点根据配置信息,使用第二逻辑信道向该至少一个中继节点转发该第一数据包。
可选地,该配置信息是由中心节点确定的。
可选地,该配置信息可以是中心节点分配的路由表。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点使用第一逻辑信道接收第一数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点根据中继层的指示,使用第二逻辑信道向该至少一个中继节点转发该第一数据包。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包和第二数据包,该第一数据包的目的节点的地址与该第二数据包的目的节点的地址相同;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定向该至少一个中继节点中的第一中继节点转发该第一数据包,以及该当前中继节点确定向该第一中继节点转发该第二数据包。
在一种可能的实现方式中,该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包和第二数据包,该第一数据包的目的节点的地址与该第二数据包的目的节点的地址相同;该路由方法还包括:该当前中继节点根据数据包的分组数据汇聚协议PDCP层序列号检测该第一数据包和该第二数据包是否为重复数据包。
在一种可能的实现方式中,该当前中继节点确定向至少一个中继节点转发该数据包,包括:若该第一数据包和该第二数据包为重复数据包,该当前中继节点确定向该至少一个中继节点发送该第一数据包或该第二数据包;或若该第一数据包和该第二数据包为非重复数据包,该当前中继节点确定向该至少一个中继节点发送该第一数据包和该第二数据包。
在一种可能的实现方式中,该数据包的报文头还包括该数据包的源节点的地址。
在一种可能的实现方式中,该路由方法还包括:在该当前中继节点发生故障的情况下,该当前中继节点向中心节点上报故障信息,以便于该中心节点更新路由表,该路由表用于指示该数据包从源节点到该目的节点的传输路径。
在一种可能的实现方式中,该数据包包括下行数据包。
在一种可能的实现方式中,该数据包包括上行数据包和下行数据包。
在一种可能的实现方式中,若该数据包为上行数据包,该至少一个中继节点为该当前中继节点的父节点。
在一种可能的实现方式中,该目的节点的地址为该数据包所属终端设备的地址。
在一种可能的实现方式中,该目的节点的地址为该数据包所属终端设备直连的中继节点的地址。
在一种可能的实现方式中,该目的节点的地址包括该数据包所属终端设备的地址和该数据包所属终端设备直连的中继节点的地址。
在一种可能的实现方式中,该数据包所属终端设备的地址由中心节点分配。
在一种可能的实现方式中,该数据包所属终端设备直连的中继节点的地址由中心节点分配。
在一种可能的实现方式中,该中心节点为锚定节点、固定接入的接入网节点或核心网节点。
在一种可能的实现方式中,该数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头中。
在一种可能的实现方式中,该数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
第二方面,提供了一种中继的路由方法,该路由方法包括:中心节点向第一中继节点发送路由表,该路由表用于指示数据包在源节点与目的节点之间的传输路径。
在一种可能的实现方式中,该路由方法还包括:在该第一中继节点发生故障的情况下,该中心节点接收该第一中继节点上报的故障信息;
该中心节点根据该故障信息,更新该路由表。在一种可能的实现方式中,该中心节点为锚定节点、固定接入的接入网节点或核心网节点。
第三方面,提供了一种通信节点,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地,该通信节点包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面,提供了一种通信节点,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地,该通信节点包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面,提供了一种通信节点,该通信节点包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第六方面,提供了一种通信节点,该通信节点包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。
第七方面,提供了一种中继网络的数据处理的方法,该方法包括:网络锚节点接收数据包,该数 据包的报文头包括第一信息,该第一信息用于指示该数据包的源地址;该网络锚节点根据该第一信息,确定该数据包的源地址。
在一种可能的实现方式中,该数据包为上行数据包。
在一种可能的实现方式中,该第一信息用于指示以下信息中的至少一种信息:发送该上行数据包的节点的类型,该类型包括终端设备或中继节点;发送该上行数据包的终端设备的地址;发送该上行数据包的中继节点的地址。
在一种可能的实现方式中,该方法还包括:该网络锚节点根据该数据包的源地址,对该数据包进行处理。
可选地,网络锚节点可以接收数据包,该数据包可以是上行数据包,也可以是下行数据包,还可以是多个数据包,包括上行数据包和下行数据包。若该数据包为上行数据包,该数据包可以是终端设备直接发送给网络锚节点的,那么该数据包的源地址就是认为是终端设备的地址,该数据包也可以是中继节点发送给网络锚节点的,那么该数据包的源地址可以认为是中继节点的地址。若该数据包为下行数据包,该数据包可以是由核心网设备发送的,那么该数据包的源地址可以是核心网的地址。
网络锚节点在获取到该数据包的源地址之后,可以进一步地对该数据包进行处理。若网络锚节点接收到多个上行数据包,并且获得该多个数据包的源地址,网络锚节点可以根据判断该多个数据包的源地址是否是同一地址,若是,则可以将该多个数据包发送对应源地址的上层进行处理,若不是,则可以分开对应到不同源地址的上层进行处理。
第八方面,提供了一种中继的路由方法,该方法包括:当前中继节点接收上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包。
在一种可能的实现方式中,该当前中继节点接收上行数据包,包括:
该当前中继节点接收第一上行数据包;该路由方法还包括:该当前中继节点对该第一上行数据包进行复制。
在一种可能的实现方式中,该上一级中继节点包括第一中继节点和第二中继节点,该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点向该第一中继节点转发该第一上行数据包,以及向该第二中继节点转发复制后的该第一上行数据包。
在一种可能的实现方式中,该上一级中继节点包括第一中继节点,该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点使用第一逻辑信道向该第一中继节点转发该第一上行数据包,以及使用第二逻辑信道向该第一中继节点转发复制后的该第一上行数据包。
在一种可能的实现方式中,该当前中继节点接收上行数据包,包括:该当前中继节点使用第一逻辑信道接收第一上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点使用该第一逻辑信道向该上一级中继节点转发该第一上行数据包。
在一种可能的实现方式中,该当前中继节点接收上行数据包,包括:该当前中继节点使用第一逻辑信道接收第一上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该第一上行数据包,包括:该当前中继节点根据配置信息,使用第二逻辑信道向该上一级中继节点转发该第一上行数据包。
在一种可能的实现方式中,该配置信息是由网络锚节点确定的。
在一种可能的实现方式中,该当前中继节点接收上行数据包,包括:该当前中继节点使用第一逻辑信道接收第一上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点根据中继层的指示,使用第二逻辑信道向该上一级中继节点转发该第一上行数据包。
在一种可能的实现方式中,该上一级中继节点包括第一中继节点和第二中继节点,该当前中继节点接收上行数据包,包括:该当前中继节点接收第一上行数据包和第二上行数据包,该第一上行数据包的源地址与该第二上行数据包的源节点的地址相同;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点向该第一中继节点转发该第一上行数据包,以及该当前中继节点向该第一中继节点转发该第二上行数据包。
在一种可能的实现方式中,该当前中继节点接收上行数据包,包括:该当前中继节点接收第一上行数据包和第二上行数据包,该第一上行数据包的源地址与该第二上行数据包的源地址相同;该路由方法还包括:该当前中继节点根据数据包的分组数据汇聚协议PDCP层序列号检测该第一上行数据包和该第二上行数据包是否为重复数据包。
在一种可能的实现方式中,该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:若该第一上行数据包和该第二上行数据包为重复数据包,该当前中继节点向该上一级中继节点发送该第一上行数据包或该第二上行数据包;或若该第一上行数据包和该第二上行数据包为 非重复数据包,该当前中继节点向该上一级中继节点发送该第一上行数据包和该第二上行数据包。
在一种可能的实现方式中,该上行数据包的报文头包括第一信息,该第一信息用于指示该上行数据包的源地址和/或目标地址。
在一种可能的实现方式中,该上行数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
第九方面,提供了一种通信节点,用于执行上述第七方面或第七方面的任意可能的实现方式中的方法。具体地,该通信节点包括用于执行上述第七方面或第七方面的任意可能的实现方式中的方法的单元。
第十方面,提供了一种通信节点,用于执行上述第八方面或第八方面的任意可能的实现方式中的方法。具体地,该通信节点包括用于执行上述第八方面或第八方面的任意可能的实现方式中的方法的单元。
第十一方面,提供了一种通信节点,该通信节点包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第七方面或第七方面的任意可能的实现方式中的方法。
第十二方面,提供了一种通信节点,该通信节点包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第八方面或第八方面的任意可能的实现方式中的方法。
第十三方面,提供了一种芯片,用于实现上述第一方面或第一方面的任意可能的实现方式中的方法,或者上述第七方面或第七方面的任意可能的实现方式中的方法。
具体地,该芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有该芯片的设备执行如上述第一方面或第一方面的任意可能的实现方式中的方法,或者上述第七方面或第七方面的任意可能的实现方式中的方法。
第十四方面,提供了一种芯片,用于实现上述第二方面或第二方面的任意可能的实现方式中的方法,或者上述第八方面或第八方面的任意可能的实现方式中的方法。
具体地,该芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有该芯片的设备执行如上述第二方面或第二方面的任意可能的实现方式中的方法,或者上述第八方面或第八方面的任意可能的实现方式中的方法。
第十五方面,提供了一种计算机存储介质,用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法,或者上述第二方面或第二方面的任意可能的实现方式中的方法,或者上述第七方面或第七方面的任意可能的实现方式中的方法,或者上述第八方面或第八方面的任意可能的实现方式中的方法所用的计算机软件指令,其包含用于执行上述方面所设计的程序。
第十六方面,提供了一种包括指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法,或者上述第二方面或第二方面的任一可选的实现方式中的方法,或者上述第七方面或第七方面的任意可能的实现方式中的方法,或者上述第八方面或第八方面的任意可能的实现方式中的方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了本申请实施例的中继的路由方法的示意性框图。
图3示出了本申请实施例的中继的路由方法的另一示意性框图。
图4示出了本申请实施例的通信节点的示意性框图。
图5示出了本申请实施例的通信节点的另一示意性框图。
图6示出了本申请实施例的通信节点的再一示意性框图。
图7示出了本申请实施例的通信节点的再一示意性框图。
图8示出了本申请实施例的中继网络的数据处理的方法的示意性框图。
图9示出了本申请实施例的中继的路由方法的再一示意性框图。
图10示出了中继系统的网络架构图。
图11示出了本申请实施例的通信节点的再一示意性框图。
图12示出了本申请实施例的通信节点的再一示意性框图。
图13示出了本申请实施例的通信节点的再一示意性框图。
图14示出了本申请实施例的通信节点的再一示意性框图。
图15示出了本申请实施例的芯片的示意性框图。
图16示出了本申请实施例的芯片的另一示意性框图。
图17示出了本申请实施例的芯片的再一示意性框图。
图18示出了本申请实施例的芯片的再一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进LTE系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、新无线(New Radio,NR)或未来的5G系统等。
特别地,本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统,例如稀疏码多址接入(Sparse Code Multiple Access,SCMA)系统、低密度签名(Low Density Signature,LDS)系统等,当然SCMA系统和LDS系统在通信领域也可以被称为其他名称;进一步地,本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统,例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)、滤波器组多载波(Filter Bank Multi-Carrier,FBMC)、通用频分复用(Generalized Frequency Division Multiplexing,GFDM)、滤波正交频分复用(Filtered-OFDM,F-OFDM)系统等。
图1示出了本申请实施例应用的无线通信系统100。该无线通信系统100可以包括中心节点110,该中心节点110可以是锚定节点,也就是一个固定节点(donor node),该中心节点110可以通过有线的方式与网络设备连接,该中心节点110本身还可以是固定接入的接入网节点,或者是核心网节点。该无线通信系统100还可以包括一个或多个中继节点120,该中继节点120与中心节点110可以通过无线的方式连接,用于转发终端和网络之间的数据包。该无线通信系统100还可以包括一个或多个终端设备130。在图1中,可以认为两个相连的中继节点120中与网络设备之间跳数更少的中继节点是与网络设备之间跳数更多的中继节点的父节点,同样地,与网络设备之间跳数更多的中继节点是与网络设备之间跳数更少的中继节点的子节点。
本申请实施例中的终端设备可以指用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network,PLMN)中的终端设备等,本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备,该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolutional NodeB,eNB或eNodeB),还可以是云无线接入网络(Cloud Radio Access Network,CRAN)场景下的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等,本申请实施例并不限定。
图1示例性地示出了一个中心节点、5个中继节点和两个终端设备,可选地,该无线通信系统100可以包括多个中继节点,并且每个中继节点可以连接其他数量的终端设备,本申请实施例对此不作限定。
应理解,本申请实施例并不局限于图1所示的网络节点之间的中继拓展,还可以应用于终端设备之间的中继拓展,例如终端设备到终端设备之间可以有一个或多个中继节点来转发数据包。
图2示出了本申请实施例的中继的路由方法200的示意性框图。图2中所示的当前中继节点可以是如图1所示的中继节点120,该路由方法200包括以下部分或全部内容:
S210,当前中继节点接收数据包,该数据包的报文头包括该数据包的目的节点的地址。
S220,该当前中继节点根据该目的节点的地址,确定是否转发该数据包。
需要说明的是,本申请实施例中的当前中继节点可以是如图1所示通过中继层与中心节点无线直 连的中继节点,也可以是通过中继层与中继节点无线直连的中继节点,还可以是通过中继层与终端设备无线直连的中继节点。中继节点的中继层可以是与分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)层在一个实体中,也可以是独立于PDCP的实体。因此,本申请实施例中数据包的报文头可以是在PDCP协议数据单元(Protocol Data Unit,PDU)的报文头中,也可以是在PDCP PDU的报文头外。应理解,本该数据包可以是上行数据包,也可以是下行数据包,还可以同时是上行数据包和下行数据包。该数据包的报文头除了可以包括该数据包的目的节点的地址,还可以包括该数据包源节点的地址。以下行数据包为例,当前中继节点接收到该当前中继节点的父节点发送的数据包,当前中继节点可以根据接收到的数据包的报文头中携带的该数据包的目的节点的地址,判断该数据包是否属于自己,若属于自己则直接进行数据处理,若不属于,则根据目的节点的地址继续转发。应理解,该目的节点的地址可以是该数据包所属终端设备的地址,也可以是该数据包该终端设备直连的中继节点的地址,该目的节点的地址还可以既包括该数据包所属终端设备的地址,也可以包括该数据包所属终端设备直连的中继节点的地址。
因此,本申请实施例的中继的路由方法,有利于提高中继网络的性能。
可选地,在本申请实施例中,该路由方法还包括:在该当前中继节点确定转发该数据包的情况下,该当前中继节点确定向至少一个中继节点转发该数据包。
当该当前中继节点判断该数据包不属于自己时,该当前中继节点就要转发该数据包。例如,当该数据包为上行数据包时,当前中继节点可以直接向自己的父节点转发该数据包,与当前中继节点相连的父节点可能会有多个,那么当前中继节点可以从中选择一个或多个中继节点转发。
可选地,在本申请实施例中,在该当前中继节点接收该数据包之前,该路由方法还包括:该当前中继节点接收中心节点发送的路由表,该路由表用于指示该数据包从源节点到该目的节点的传输路径;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点根据该路由表,确定向该至少一个中继节点转发该数据包。
中心节点可以将某个终端设备与该中心节点之间的拓扑关系,也就是本申请实施例中的路由表提前下发给传输路径上的中继节点,应理解,在某个终端设备和中心节点之间可能不止一条路径,中心节点可以将路由表下发给各个路径上的中继节点。而当该当前中继节点接收到某个数据包时,并且判断出该数据包需要转发,此时,该当前中继节点可以根据路由表就能确定出向哪个中继节点转发该数据包。应理解,如果该当前中继节点是与该数据包所属终端设备直连的中继节点,也就是说该数据包的目的节点与该当前中继节点之间只有一跳,那么该当前中继节点可以不用路由表直接向该终端设备转发。同样地,当该数据包为上行数据包时,此时由于该数据包的目的地址一定是网络设备,那么该当前中继节点也可以不用路由表,直接向自己的任何一个或多个父节点转发该数据包。
可选地,在本申请实施例中,该当前中继节点确定向该至少一个中继节点转发该数据包,包括:该当前中继节点根据信道质量,确定向该至少一个中继节点转发该数据包。
具体地,当该当前中继节点确定该数据包的下一跳中继节点有多个时,该当前中继节点可以直接根据各个下一跳中继节点的信道质量从中选择一个或多个中继节点转发该数据包。
可选地,在本申请实施例中,该路由方法还包括:在该当前中继节点发生故障的情况下,该当前中继节点向中心节点上报故障信息,以便于该中心节点更新路由表,该路由表用于指示该数据包从源节点到该目的节点的传输路径。
具体地,当任一中继节点的连接出现故障时,该中继节点都可以向中心节点上报,那么该中心节点可以根据该故障信息,重新更新路由表,并且将更新后的路由表下发给相关的各个中继节点。也就是说,中心节点可以根据实时连接状况,不断地更新路由表。
可选地,在本申请实施例中,该数据包的目的节点的地址和/或源节点的地址均可以由中心节点分配。
下面将结合以下几个实施例详细介绍本申请的方案。
实施例1:该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包和第二数据包,该第一数据包的目的节点的地址与该第二数据包的目的节点的地址相同;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定向该至少一个中继节点中的第一中继节点转发该第一数据包,以及该当前中继节点确定向该至少一个中继节点中的第二中继节点转发该第二数据包。也就是说,当前中继节点可以接收多个属于同一目的节点的数据包,并向多个中继节点一一对应地转发该多个数据包。
实施例2:该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包;该路由方法还包括:该当前中继节点对该第一数据包进行复制;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定向该至少一个中继节点中的第一中继节点转发该第一数据包,以及确定向该至少一个中继节点中的第二中继节点转发复制后的该第一数据包。也就是说,当前中继节点 具有复制数据功能,可以将接收到的数据包复制成多个数据包,并一一对应地向多个中继节点转发复制后的多个数据包。
实施例3:该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包;该路由方法还包括:该当前中继节点对该第一数据包进行复制;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定使用第一逻辑信道向该至少一个中继节点中的第一中继节点转发该第一数据包,以及确定使用第二逻辑信道向该第一中继节点转发复制后的该第一数据包。同样地,当前中继节点具有复制数据功能,可以将接收到的数据包复制成多个数据包,并一一对应地使用多个逻辑信道向同一个中继节点转发复制后的多个数据包。或者也可以一一对应地使用多个逻辑信道向不同中继节点转发复制后的多个数据包。
实施例4:该当前中继节点接收数据包,包括:该当前中继节点使用第一逻辑信道接收第一数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点使用该第一逻辑信道向该至少一个中继节点转发该第一数据包。也就是说,当前中继节点通过哪个逻辑信道接收的数据包,可以仍采用该逻辑信道向至少一个中继节点转发该数据包。
实施例5:该当前中继节点接收数据包,包括:该当前中继节点使用第一逻辑信道接收第一数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点根据配置信息,使用第二逻辑信道向该至少一个中继节点转发该第一数据包。换句话说,当前中继节点在通过某个逻辑信道接收到数据包之后,可以基于某种规则,另外选择一个逻辑信道转发该数据包,该规则例如可以是中心节点配置的路由表。
实施例6:该当前中继节点接收数据包,包括:该当前中继节点使用第一逻辑信道接收第一数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点根据中继层的指示,使用第二逻辑信道向该至少一个中继节点转发该第一数据包。同样地,当前中继节点在通过某个逻辑信道接收到数据包之后,可以基于中继层的指示另外选择一个逻辑信道转发该数据包。例如,可以在该数据包的报文头中携带逻辑信道的标识。当前中继节点还可以既根据中心节点配置的信息,又结合中继层的指示来确定使用哪个逻辑信道转发该数据包。
实施例7:该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包和第二数据包,该第一数据包的目的节点的地址与该第二数据包的目的节点的地址相同;该当前中继节点确定向至少一个中继节点转发该数据包,包括:该当前中继节点确定向该至少一个中继节点中的第一中继节点转发该第一数据包,以及该当前中继节点确定向该第一中继节点转发该第二数据包。也就是说,当前中继节点可以接收多个属于同一目的节点的数据包,并向同一个中继节点转发该多个数据包。
实施例8:该当前中继节点接收数据包,包括:该当前中继节点接收第一数据包和第二数据包,该第一数据包的目的节点的地址与该第二数据包的目的节点的地址相同;该路由方法还包括:该当前中继节点根据数据包的PDCP层序列号检测该第一数据包和该第二数据包是否为重复数据包;该当前中继节点确定向至少一个中继节点转发该数据包,包括:若该第一数据包和该第二数据包为重复数据包,该当前中继节点确定向该至少一个中继节点发送该第一数据包或该第二数据包;或若该第一数据包和该第二数据包为非重复数据包,该当前中继节点确定向该至少一个中继节点发送该第一数据包和该第二数据包。也就是说,该中继节点具有检测重复数据包的功能,当中继节点接收到多个属于同一目的节点的数据包时,该中继节点检测该多个数据包中有没有重复数据包,具体地,可以通过PDCP服务数据单元(Service Data Unit,SDU)是否具有相同或不同的序列号,如果相同,则为重复数据包,如果不相同,则为非重复数据包。当中继节点检测出来有部分数据包重复时,中继节点将重复的数据包只转发一次,也就是说重复的那部分数据包可以丢弃。而中继节点检测出多个数据包全部不重复,那么中继节点可以直接转发该多个数据包。
图3示出了本申请实施例的中继的路由方法300的示意性框图。如图3所示,该方法300包括以下部分内容或全部内容:
S310,中心节点向第一中继节点发送路由表,该路由表用于指示数据包在源节点与目的节点之间的传输路径。
因此,本申请实施例的中继的路由方法,有利于提高中继网络的性能。
可选地,在本申请实施例中,该路由方法还包括:在该第一中继节点发生故障的情况下,该中心节点接收该第一中继节点上报的故障信息;该中心节点根据该故障信息,更新该路由表。
可选地,在本申请实施例中,该中心节点为锚定节点、固定接入的接入网节点或核心网节点。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”,仅仅是一种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。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
应理解,中心节点描述的中心节点与当前中继节点之间的交互及相关特性、功能等与当前中继节点的相关特性、功能相应。并且相关内容在上述方法200中已经作了详尽描述,为了简洁,在此不再赘述。
还应理解,在本申请的各种实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的中继的路由方法,下面将结合图4至图7,描述根据本申请实施例的中继网络的路由装置,方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的通信节点400的示意性框图。如图4所示,所述通信节点400为当前中继节点,该通信节点400包括:
第一接收单元410,用于接收数据包,所述数据包的报文头包括所述数据包的目的节点的地址;
第一确定单元420,用于根据所述目的节点的地址,确定是否转发所述数据包。
因此,本申请实施例的通信节点,有利于提高中继网络的性能。
应理解,根据本申请实施例的通信节点400可对应于本申请方法实施例中的当前中继节点,并且通信节点400中的各个单元的上述和其它操作和/或功能分别为了实现图2方法中通信节点的相应流程,为了简洁,在此不再赘述。
图5示出了本申请实施例的通信节点500的示意性框图。如图5所示,该通信节点500为中心节点,该通信节点500包括:
发送单元510,用于向第一中继节点发送路由表,所述路由表用于指示数据包在源节点与目的节点之间的传输路径。
因此,本申请实施例的通信节点,有利于提高中继网络的性能。
应理解,根据本申请实施例的通信节点500可对应于本申请方法实施例中的中心节点,并且通信节点500中的各个单元的上述和其它操作和/或功能分别为了实现图3方法中通信节点的相应流程,为了简洁,在此不再赘述。
如图6所示,本申请实施例还提供了一种通信节点600,该通信节点600可以是图4中的通信节点400,其能够用于执行与图2中方法100对应的当前中继节点的内容。该通信节点600包括:输入接口610、输出接口620、处理器630以及存储器640,该输入接口610、输出接口620、处理器630和存储器640可以通过总线系统相连。该存储器640用于存储包括程序、指令或代码。该处理器630,用于执行该存储器640中的程序、指令或代码,以控制输入接口610接收信号、控制输出接口620发送信号以及完成前述方法实施例中的操作。
因此,本申请实施例的通信节点,有利于提高中继网络的性能。
应理解,在本申请实施例中,该处理器630可以是中央处理单元(Central Processing Unit,CPU),该处理器630还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器640可以包括只读存储器和随机存取存储器,并向处理器630提供指令和数据。存储器640的一部分还可以包括非易失性随机存取存储器。例如,存储器640还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器630中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器640,处理器630读取存储器640中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,通信节点400中的第一确定单元、第二确定单元、第三确定单元、处理单元以及检测单元可以由图6中的处理器630实现,通信节点400的上报单元可以由图6中的输出接口620实现,通信节点400的第一接收单元和第二接收单元可以由图6中的输入接口610实现。
如图7所示,本申请实施例还提供了一种通信节点700,该通信节点700可以是图5中的通信节点500,其能够用于执行与图3中方法200对应的中心节点的内容。该通信节点700包括:输入接口710、输出接口720、处理器730以及存储器740,该输入接口710、输出接口720、处理器730和存储器740可以通过总线系统相连。该存储器740用于存储包括程序、指令或代码。该处理器730,用于执行该存储器740中的程序、指令或代码,以控制输入接口710接收信号、控制输出接口720发送信号以及完成前述方法实施例中的操作。
因此,本申请实施例的通信节点,有利于提高中继网络的性能。
应理解,在本申请实施例中,该处理器730可以是中央处理单元(Central Processing Unit,CPU),该处理器730还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器740可以包括只读存储器和随机存取存储器,并向处理器730提供指令和数据。存储器740的一部分还可以包括非易失性随机存取存储器。例如,存储器740还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器730中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器740,处理器730读取存储器740中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,通信节点500中的发送单元可以由图7中的输出接口720实现,通信节点500中的接收单元可以由图7中的输入接口710实现。通信节点500中的处理单元可以由图7中的处理器730实现。
在LTE系统中,基站之间和基站与核心网之间的回程链路(Backhaul)使用有线连接方式,这给运营商带来了较大的部署难度和较高的布网成本,为了解决上述问题,第三代合作伙伴项目(the 3rd Generation Partnership Project,3GPP)在LTE-A标准化阶段启动了对无线中继技术的研究,以提供无线回程链路解决方案。
中继系统是集成接入和回程链路(Integrated Access and Backhaul link,IAB),中继节点(RN,Relay Node)通过无线方式连接到其归属的eNB小区,也称为IAB-node,归属小区称为Donor cell,中继节点的归属eNB称为Donor eNB(DeNB),也称为IAB-donor。主要包括3条无线链路:RN与DeNB之间的回程链路(Backhaul link)、UE与RN之间的接入链路(Access link)、UE与eNB之间的直传链路(Direct link)。该中继系统的网络架构可以如图1所示。
图8示出了本申请实施例的中继网络的数据处理的方法800的示意性框图。图8中所示的网络锚节点可以是如图1所示的中心节点110,即IAB-donor,该方法800包括以下部分或全部内容:
S810,网络锚节点接收数据包,该数据包的报文头包括第一信息,该第一信息用于指示该数据包的源地址;
S820,该网络锚节点根据该第一信息,确定该数据包的源地址。
具体地,网络锚节点也就是IAB-donor,可以接收数据包,该数据包可以是上行数据包,也可以是下行数据包,还可以是多个数据包,包括上行数据包和下行数据包。每个数据包的报文头都包括了用于指示相应数据包的源地址的信息,例如,该数据包为上行数据包,也就是说,该数据包可以是终端设备直接发送给网络锚节点的,那么该数据包的源地址就是认为是终端设备的地址,该数据包也可以是中继节点发送给网络锚节点的,那么该数据包的源地址可以认为是中继节点的地址。再例如,该数据包为下行数据包,该数据包可以是由核心网设备发送的,那么该数据包的源地址可以是核心网的地址。
网络锚节点在获取到该数据包的源地址之后,可以进一步地对该数据包进行处理。以上行数据包为例,若网络锚节点接收到多个数据包,并且获得该多个数据包的源地址,网络锚节点可以根据判断该多个数据包的源地址是否是同一地址,若是,则可以将该多个数据包发送对应源地址的上层进行处理,若不是,则可以分开对应到不同源地址的上层进行处理。网络锚节点在获取到数据包的源地址之后,需要做什么处理,本申请实施例对此不构成限定,在此不作过多描述。
可选地,在本申请实施例中,该第一信息用于指示以下信息中的至少一种信息:发送该上行数据包的节点的类型,该类型包括终端设备或中继节点;发送该上行数据包的终端设备的地址;发送该上行数据包的中继节点的地址。换句话说,该上行数据包可以是终端设备直接发送给网络锚节点,也可以是中继节点发送给网络锚节点。
图9示出了本申请实施例的中继的路由方法900的示意性框图。图9中所示的网络锚节点可以是如图1所示的中继节点120,即IAB-node,该方法900包括以下部分或全部内容:
S910,当前中继节点接收上行数据包;
S920,该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包。
在中继系统中,某个节点的上一级节点又称为父节点,其下一级节点又称为子节点。在支持多跳的中继系统中,如图10所示,对于RN1而言,DeNB是父节点,RN2是子节点,对于RN2而言,RN1是父节点,UE是子节点。
具体地,当某一个中继节点接收到一个上行数据包时,该中继节点可以直接向上一级中继节点转发该数据包。若某一个中继节点接收其父节点发送的数据包,其可以认为该数据包是下行数据包,若某一个中继节点接收到其子节点发送的数据包,其可以认为该数据包是上行数据包。当中继节点接收到上行数据包之后,中继节点可以向其父节点转发该上行数据包。每一个中继节点的父节点可以是多个,当中继节点接收到多个数据包之后,可以选择其中一个父节点转发,也可以向多个父节点转发。
可选地,该上行数据包的包头还可以包括该上行数据包的源地址和/或目标地址。当中继节点接收到该上行数据包,可以根据该目标地址,确定是否是属于自己的数据包,进而就可以对数据包进行处理。同样地,中继节点也可以该数据包的源地址对数据包进行处理。例如,将属于同一源地址的上行数据包发送到同一上一级中继节点。
由于中继节点的中继层可以是与分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)层在一个实体中,也可以是独立于PDCP的实体。因此,本申请实施例中数据包的报文头可以是在PDCP协议数据单元(Protocol Data Unit,PDU)的报文头中,也可以是在PDCP PDU的报文头外。
下面将结合以下几个实施例详细介绍本申请的方案。
实施例1:该当前中继节点接收上行数据包,包括:该当前中继节点接收第一上行数据包;该路由方法还包括:该当前中继节点对该第一上行数据包进行复制;该上一级中继节点包括第一中继节点和第二中继节点,该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点向该第一中继节点转发该第一上行数据包,以及向该第二中继节点转发复制后的该第一上行数据包。也就是说,当前中继节点具有复制数据功能,可以将接收到的上行数据包复制成多个上行数据包,并一一对应地向多个上一级中继节点转发复制后的多个上行数据包。
实施例2:该当前中继节点接收上行数据包,包括:该当前中继节点接收第一上行数据包;该路由方法还包括:该当前中继节点对该第一上行数据包进行复制;该上一级中继节点包括第一中继节点,该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点使用第一逻辑信道向该第一中继节点转发该第一上行数据包,以及使用第二逻辑信道向该第一中继节点转发复制后的该第一上行数据包。同样地,当前中继节点具有复制数据功能,可以将接收到的上行数据包复制成多个上行数据包,并一一对应地使用多个逻辑信道向同一个上一级中继节点转发复制后的多个上行数据包。或者也可以一一对应地使用多个逻辑信道向不同中继节点转发复制后的多个上行数据包。
实施例3:该当前中继节点接收上行数据包,包括:该当前中继节点使用第一逻辑信道接收第一上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点使用该第一逻辑信道向该上一级中继节点转发该第一上行数据包。也就是说,当前中继节点通过哪个逻辑信道接收的上行数据包,可以仍采用该逻辑信道向至少一个上一级中继节点转发该上行数据包。
实施例4:该当前中继节点接收上行数据包,包括:该当前中继节点使用第一逻辑信道接收第一上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该第一上行数据包,包括:该当前中继节点根据配置信息,使用第二逻辑信道向该上一级中继节点转发该第一上行数据包。换句话说,当前中继节点在通过某个逻辑信道接收到上行数据包之后,可以基于某种规则,另外选择一个逻辑信道转发该数据包,该规则例如可以是网络锚节点配置的路由表。
实施例5:该当前中继节点接收上行数据包,包括:该当前中继节点使用第一逻辑信道接收第一上行数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点根据中继层的指示,使用第二逻辑信道向该上一级中继节点转发该第一上行数据包。同样地,当前中继节点在通过某个逻辑信道接收到上行数据包之后,可以基于中继层的指示另外选择一个逻辑信道转发该上行数据包。例如,可以在该数据包的报文头中携带逻辑信道的标识。当前中继节点还可以既根据网络锚节点配置的信息,又结合中继层的指示来确定使用哪个逻辑信道转发该上行数据包。
实施例6:该上一级中继节点包括第一中继节点和第二中继节点,该当前中继节点接收上行数据包,包括:该当前中继节点接收第一上行数据包和第二上行数据包,该第一上行数据包的源地址与该第二上行数据包的源节点的地址相同;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:该当前中继节点向该第一中继节点转发该第一上行数据包,以及该当前中继节点向该第一中继节点转发该第二上行数据包。也就是说,当前中继节点可以接收多个属于同一源节点的上行数据包,并向同一个上一级中继节点转发该多个上行数据包。
实施例7:该当前中继节点接收上行数据包,包括:该当前中继节点接收第一上行数据包和第二上行数据包,该第一上行数据包的源地址与该第二上行数据包的源地址相同;该路由方法还包括:该 当前中继节点根据数据包的分组数据汇聚协议PDCP层序列号检测该第一上行数据包和该第二上行数据包是否为重复数据包;该当前中继节点向服务该当前中继节点的上一级中继节点转发该上行数据包,包括:若该第一上行数据包和该第二上行数据包为重复数据包,该当前中继节点向该上一级中继节点发送该第一上行数据包或该第二上行数据包;或若该第一上行数据包和该第二上行数据包为非重复数据包,该当前中继节点向该上一级中继节点发送该第一上行数据包和该第二上行数据包。具体地,可以通过PDCP服务数据单元(Service Data Unit,SDU)是否具有相同或不同的序列号,如果相同,则为重复数据包,如果不相同,则为非重复数据包。当中继节点检测出来有部分上行数据包重复时,中继节点将重复的数据包只转发一次,也就是说重复的那部分数据包可以丢弃。而中继节点检测出多个数据包全部不重复,那么中继节点可以直接转发该多个数据包。
上文中详细描述了根据本申请实施例的中继网络的数据处理的方法和中继的路由方法,下面将结合图11至图14,描述根据本申请实施例的装置,方法实施例所描述的技术特征适用于以下装置实施例。
图11示出了本申请实施例的通信节点1000的示意性框图。该通信节点1000为网络锚节点,如图11所示,该通信节点1000包括:
接收单元1010,用于接收数据包,该数据包的报文头包括第一信息,该第一信息用于指示该数据包的源地址;
确定单元1020,用于根据该第一信息,确定该数据包的源地址。
具体地,
可选地,在本申请实施例中,该数据包为上行数据包。
可选地,在本申请实施例中,该第一信息用于指示以下信息中的至少一种信息:发送该上行数据包的节点的类型,该类型包括终端设备或中继节点;发送该上行数据包的终端设备的地址;发送该上行数据包的中继节点的地址。
可选地,在本申请实施例中,该通信节点还包括:处理单元,用于根据该数据包的源地址,对该数据包进行处理。
应理解,根据本申请实施例的通信节点1000可对应于本申请方法实施例中的网络锚节点,并且通信节点1000中的各个单元的上述和其它操作和/或功能分别为了实现图8方法中网络锚节点的相应流程,为了简洁,在此不再赘述。
图12示出了本申请实施例的通信节点2000的示意性框图。该通信节点2000为当前中继节点,如图12所示,该通信节点2000包括:
接收单元2010,用于接收上行数据包;
发送单元2020,用于向服务该当前中继节点的上一级中继节点转发该上行数据包。
可选地,在本申请实施例中,该接收单元具体用于:接收第一上行数据包;该通信节点还包括:复制单元,用于对该第一上行数据包进行复制。
可选地,在本申请实施例中,该上一级中继节点包括第一中继节点和第二中继节点,该发送单元具体用于:向该第一中继节点转发该第一上行数据包,以及向该第二中继节点转发复制后的该第一上行数据包。
可选地,在本申请实施例中,该上一级中继节点包括第一中继节点,该发送单元具体用于:使用第一逻辑信道向该第一中继节点转发该第一上行数据包,以及使用第二逻辑信道向该第一中继节点转发复制后的该第一上行数据包。
可选地,在本申请实施例中,该接收单元具体用于:使用第一逻辑信道接收第一上行数据包;该发送单元具体用于:使用该第一逻辑信道向该上一级中继节点转发该第一上行数据包。
可选地,在本申请实施例中,该接收单元具体用于:使用第一逻辑信道接收第一上行数据包;该发送单元具体用于:根据配置信息,使用第二逻辑信道向该上一级中继节点转发该第一上行数据包。
可选地,在本申请实施例中,该配置信息是由网络锚节点确定的。
可选地,在本申请实施例中,该接收单元具体用于:使用第一逻辑信道接收第一上行数据包;该发送单元具体用于:根据中继层的指示,使用第二逻辑信道向该上一级中继节点转发该第一上行数据包。
可选地,在本申请实施例中,该上一级中继节点包括第一中继节点和第二中继节点,该接收单元具体用于:接收第一上行数据包和第二上行数据包,该第一上行数据包的源地址与该第二上行数据包的源节点的地址相同;该发送单元具体用于:向该第一中继节点转发该第一上行数据包,以及向该第一中继节点转发该第二上行数据包。
可选地,在本申请实施例中,该接收单元具体用于:接收第一上行数据包和第二上行数据包,该第一上行数据包的源地址与该第二上行数据包的源地址相同;该通信节点还包括:检测单元,用于根 据数据包的分组数据汇聚协议PDCP层序列号检测该第一上行数据包和该第二上行数据包是否为重复数据包。
可选地,在本申请实施例中,该发送单元具体用于:若该第一上行数据包和该第二上行数据包为重复数据包,向该上一级中继节点发送该第一上行数据包或该第二上行数据包;或若该第一上行数据包和该第二上行数据包为非重复数据包,向该上一级中继节点发送该第一上行数据包和该第二上行数据包。
可选地,在本申请实施例中,该上行数据包的报文头包括第一信息,该第一信息用于指示该上行数据包的源地址和/或目标地址。
可选地,在本申请实施例中,该上行数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
应理解,根据本申请实施例的通信节点2000可对应于本申请方法实施例中的当前中继节点,并且通信节点2000中的各个单元的上述和其它操作和/或功能分别为了实现图9方法中当前中继节点的相应流程,为了简洁,在此不再赘述。
如图13所示,本申请实施例还提供了一种通信节点3000,该通信节点3000可以是图11中的通信节点1000,其能够用于执行与图8中方法800对应的通信节点的内容。图13所示的通信节点3000包括处理器3010,处理器3010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图13所示,通信节点3000还可以包括存储器3020。其中,处理器3010可以从存储器3020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器3020可以是独立于处理器3010的一个单独的器件,也可以集成在处理器3010中。
可选地,如图13所示,通信节点3000还可以包括收发器3030,处理器3010可以控制该收发器3030与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器3030可以包括发射机和接收机。收发器3030还可以进一步包括天线,天线的数量可以为一个或多个。
可选地,该通信节点3000可为本申请实施例的网络锚节点,并且该通信节点3000可以实现本申请实施例的各个方法中由网络锚节点实现的相应流程,为了简洁,在此不再赘述。
一个具体的实施方式中,通信节点1000中的接收单元可以由图13中的收发器3030实现。通信节点1000中的确定单元和处理单元可以由图13中的处理器3010实现。
如图14所示,本申请实施例还提供了一种通信节点4000,该通信节点4000可以是图12中的通信节点1000,其能够用于执行与图9中方法900对应的通信节点的内容。图14所示的通信节点4000包括处理器4010,处理器4010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图14所示,通信节点4000还可以包括存储器4020。其中,处理器4010可以从存储器4020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器4020可以是独立于处理器4010的一个单独的器件,也可以集成在处理器4010中。
可选地,如图14所示,通信节点4000还可以包括收发器4030,处理器4010可以控制该收发器4030与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器4030可以包括发射机和接收机。收发器4030还可以进一步包括天线,天线的数量可以为一个或多个。
可选地,该通信节点4000可为本申请实施例的网络锚节点,并且该通信节点4000可以实现本申请实施例的各个方法中由网络锚节点实现的相应流程,为了简洁,在此不再赘述。
一个具体的实施方式中,通信节点2000中的接收单元和发送单元可以由图14中的收发器4030实现。通信节点2000中的检测单元可以由图14中的处理器4010实现。
图15是根据本申请实施例的芯片5000的示意性框图。图15所示的芯片5000包括处理器5010,处理器5010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法100。
可选地,如图15所示,芯片5000还可以包括存储器5020。其中,处理器5010可以从存储器5020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器5020可以是独立于处理器5010的一个单独的器件,也可以集成在处理器5010中。
可选地,该芯片5000还可以包括输入接口5030。其中,处理器5010可以控制该输入接口5030与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片5000还可以包括输出接口5040。其中,处理器5010可以控制该输出接口5040 与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的当前中继节点,并且该芯片可以实现本申请实施例的方法200中由当前中继节点实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图16是根据本申请实施例的芯片6000的示意性框图。图16所示的芯片6000包括处理器6010,处理器6010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法100。
可选地,如图16所示,芯片6000还可以包括存储器6020。其中,处理器6010可以从存储器6020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器6020可以是独立于处理器6010的一个单独的器件,也可以集成在处理器6010中。
可选地,该芯片6000还可以包括输入接口6030。其中,处理器6010可以控制该输入接口6030与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片6000还可以包括输出接口6040。其中,处理器6010可以控制该输出接口6040与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的中心节点,并且该芯片可以实现本申请实施例的方法300中由中心节点实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图17是根据本申请实施例的芯片7000的示意性框图。图17所示的芯片7000包括处理器7010,处理器7010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法100。
可选地,如图17所示,芯片7000还可以包括存储器7020。其中,处理器7010可以从存储器7020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器7020可以是独立于处理器7010的一个单独的器件,也可以集成在处理器7010中。
可选地,该芯片7000还可以包括输入接口7030。其中,处理器7010可以控制该输入接口7030与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片7000还可以包括输出接口7040。其中,处理器7010可以控制该输出接口7040与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的网络锚节点,并且该芯片可以实现本申请实施例的方法800中由网络锚节点实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图18是根据本申请实施例的芯片8000的示意性框图。图18所示的芯片8000包括处理器8010,处理器8010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法100。
可选地,如图18所示,芯片8000还可以包括存储器8018。其中,处理器8010可以从存储器8018中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器8018可以是独立于处理器8010的一个单独的器件,也可以集成在处理器8010中。
可选地,该芯片8000还可以包括输入接口8030。其中,处理器8010可以控制该输入接口8030与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片8000还可以包括输出接口8040。其中,处理器8010可以控制该输出接口8040与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的当前中继节点,并且该芯片可以实现本申请实施例的方法900中由当前中继节点实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
上述提及的处理器可以是通用处理器、数字信号处理器(digital signal processor,DSP)、现成可编程门阵列(field programmable gate array,FPGA)、专用集成电路(application specific integrated circuit,ASIC)或者其他可编程逻辑器件、晶体管逻辑器件、分立硬件组件等。其中,上述提到的通用处理器可以是微处理器或者也可以是任何常规的处理器等。
上述提及的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(read-only memory,ROM)、可编程只读存储器(programmable ROM,PROM)、可擦除可编程只读存储器(erasable PROM,EPROM)、电可擦除可编程只读存储器(electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory,RAM)。
应理解,上述存储器为示例性但不是限制性说明,例如,本申请实施例中的存储器还可以是静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)等等。也就是说,本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,该单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应该以权利要求的保护范围为准。

Claims (112)

  1. 一种中继的路由方法,其特征在于,包括:
    当前中继节点接收数据包,所述数据包的报文头包括所述数据包的目的节点的地址;
    所述当前中继节点根据所述目的节点的地址,确定是否转发所述数据包。
  2. 根据权利要求1所述的路由方法,其特征在于,所述路由方法还包括:
    在所述当前中继节点确定转发所述数据包的情况下,所述当前中继节点确定向至少一个中继节点转发所述数据包。
  3. 根据权利要求2所述的路由方法,其特征在于,在所述当前中继节点接收所述数据包之前,所述路由方法还包括:
    所述当前中继节点接收中心节点发送的路由表,所述路由表用于指示所述数据包从源节点到所述目的节点的传输路径;
    所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点根据所述路由表,确定向所述至少一个中继节点转发所述数据包。
  4. 根据权利要求2或3所述的路由方法,其特征在于,所述当前中继节点确定向所述至少一个中继节点转发所述数据包,包括:
    所述当前中继节点根据信道质量,确定向所述至少一个中继节点转发所述数据包。
  5. 根据权利要求2至4中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点接收第一数据包和第二数据包,所述第一数据包的目的节点的地址与所述第二数据包的目的节点的地址相同;
    所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点确定向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及
    所述当前中继节点确定向所述至少一个中继节点中的第二中继节点转发所述第二数据包。
  6. 根据权利要求2至4中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点接收第一数据包;
    所述路由方法还包括:
    所述当前中继节点对所述第一数据包进行复制。
  7. 根据权利要求6所述的路由方法,其特征在于,所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点确定向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及确定向所述至少一个中继节点中的第二中继节点转发复制后的所述第一数据包。
  8. 根据权利要求6所述的路由方法,其特征在于,所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点确定使用第一逻辑信道向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及确定使用第二逻辑信道向所述第一中继节点转发复制后的所述第一数据包。
  9. 根据权利要求2至4中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点使用第一逻辑信道接收第一数据包;
    所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点使用所述第一逻辑信道向所述至少一个中继节点转发所述第一数据包。
  10. 根据权利要求2至4中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点使用第一逻辑信道接收第一数据包;
    所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点根据配置信息,使用第二逻辑信道向所述至少一个中继节点转发所述第一数据包。
  11. 根据权利要求10所述的路由方法,其特征在于,所述配置信息是由中心节点确定的。
  12. 根据权利要求2、3、4、10和11中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点使用第一逻辑信道接收第一数据包;
    所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点根据中继层的指示,使用第二逻辑信道向所述至少一个中继节点转发所述第一 数据包。
  13. 根据权利要求2至4中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点接收第一数据包和第二数据包,所述第一数据包的目的节点的地址与所述第二数据包的目的节点的地址相同;
    所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    所述当前中继节点确定向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及
    所述当前中继节点确定向所述第一中继节点转发所述第二数据包。
  14. 根据权利要求2至4中任一项所述的路由方法,其特征在于,所述当前中继节点接收数据包,包括:
    所述当前中继节点接收第一数据包和第二数据包,所述第一数据包的目的节点的地址与所述第二数据包的目的节点的地址相同;
    所述路由方法还包括:
    所述当前中继节点根据数据包的分组数据汇聚协议PDCP层序列号检测所述第一数据包和所述第二数据包是否为重复数据包。
  15. 根据权利要求14所述的路由方法,其特征在于,所述当前中继节点确定向至少一个中继节点转发所述数据包,包括:
    若所述第一数据包和所述第二数据包为重复数据包,所述当前中继节点确定向所述至少一个中继节点发送所述第一数据包或所述第二数据包;或
    若所述第一数据包和所述第二数据包为非重复数据包,所述当前中继节点确定向所述至少一个中继节点发送所述第一数据包和所述第二数据包。
  16. 根据权利要求1至15中任一项所述的路由方法,其特征在于,所述数据包的报文头还包括所述数据包的源节点的地址。
  17. 根据权利要求1至16中任一项所述的路由方法,其特征在于,所述路由方法还包括:
    在所述当前中继节点发生故障的情况下,所述当前中继节点向中心节点上报故障信息,以便于所述中心节点更新路由表,所述路由表用于指示所述数据包从源节点到所述目的节点的传输路径。
  18. 根据权利要求1至17中任一项所述的路由方法,其特征在于,所述数据包包括下行数据包。
  19. 根据权利要求1至17中任一项所述的路由方法,其特征在于,所述数据包包括上行数据包和下行数据包。
  20. 根据权利要求1至19中任一项所述的路由方法,其特征在于,若所述数据包为上行数据包,所述至少一个中继节点为所述当前中继节点的父节点。
  21. 根据权利要求1至19中任一项所述的路由方法,其特征在于,所述目的节点的地址为所述数据包所属终端设备的地址。
  22. 根据权利要求1至19中任一项所述的路由方法,其特征在于,所述目的节点的地址为所述数据包所属终端设备直连的中继节点的地址。
  23. 根据权利要求1至19中任一项所述的路由方法,其特征在于,所述目的节点的地址包括所述数据包所属终端设备的地址和所述数据包所属终端设备直连的中继节点的地址。
  24. 根据权利要求21或23所述的路由方法,其特征在于,所述数据包所属终端设备的地址由中心节点分配。
  25. 根据权利要求22或23所述的路由方法,其特征在于,所述数据包所属终端设备直连的中继节点的地址由中心节点分配。
  26. 根据权利要求3、11、24或25所述的路由方法,其特征在于,所述中心节点为锚定节点、固定接入的接入网节点或核心网节点。
  27. 根据权利要求1至26中任一项所述的路由方法,其特征在于,所述数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头中。
  28. 根据权利要求1至26中任一项所述的路由方法,其特征在于,所述数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
  29. 根据权利要求1至17中任一项所述的路由方法,其特征在于,所述数据包为下行数据包。
  30. 根据权利要求29所述的路由方法,其特征在于,所述数据包括中继节点间转发的下行数据包。
  31. 一种中继的路由方法,其特征在于,包括:
    中心节点向第一中继节点发送路由表,所述路由表用于指示数据包在源节点与目的节点之间的传输路径。
  32. 根据权利要求31所述的路由方法,其特征在于,所述路由方法还包括:
    在所述第一中继节点发生故障的情况下,所述中心节点接收所述第一中继节点上报的故障信息;
    所述中心节点根据所述故障信息,更新所述路由表。
  33. 根据权利要求31或32所述的路由方法,其特征在于,所述中心节点为锚定节点、固定接入的接入网节点或核心网节点。
  34. 一种通信节点,其特征在于,所述通信节点为当前中继节点,所述通信节点包括:
    第一接收单元,用于接收数据包,所述数据包的报文头包括所述数据包的目的节点的地址;
    第一确定单元,用于根据所述目的节点的地址,确定是否转发所述数据包。
  35. 根据权利要求34所述的通信节点,其特征在于,所述通信节点还包括:
    第二确定单元,用于在所述当前中继节点确定转发所述数据包的情况下,确定向至少一个中继节点转发所述数据包。
  36. 根据权利要求35所述的通信节点,其特征在于,所述通信节点还包括:
    第二接收单元,用于在所述第一接收单元接收所述数据包之前,接收中心节点发送的路由表,所述路由表用于指示所述数据包从源节点到所述目的节点的传输路径;
    所述第二确定单元具体用于:
    根据所述路由表,确定向所述至少一个中继节点转发所述数据包。
  37. 根据权利要求35或36所述的通信节点,其特征在于,所述第二确定单元具体用于:
    根据信道质量,确定向所述至少一个中继节点转发所述数据包。
  38. 根据权利要求35至37中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    接收第一数据包和第二数据包,所述第一数据包的目的节点的地址与所述第二数据包的目的节点的地址相同;
    所述第二确定单元具体用于:
    确定向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及
    确定向所述至少一个中继节点中的第二中继节点转发所述第二数据包。
  39. 根据权利要求35至37中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    接收第一数据包;
    所述通信节点还包括:
    处理单元,用于对所述第一数据包进行复制。
  40. 根据权利要求39所述的通信节点,其特征在于,所述第二确定单元具体用于:
    确定向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及确定向所述至少一个中继节点中的第二中继节点转发复制后的所述第一数据包。
  41. 根据权利要求39所述的通信节点,其特征在于,所述第二确定单元具体用于:
    确定使用第一逻辑信道向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及确定使用第二逻辑信道向所述第一中继节点转发复制后的所述第一数据包。
  42. 根据权利要求35至37中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    使用第一逻辑信道接收第一数据包;
    所述第二确定单元具体用于:
    使用所述第一逻辑信道向所述至少一个中继节点转发所述第一数据包。
  43. 根据权利要求35至37中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    使用第一逻辑信道接收第一数据包;
    所述第二确定单元具体用于:
    根据配置信息,使用第二逻辑信道向所述至少一个中继节点转发所述第一数据包。
  44. 根据权利要求43所述的通信节点,其特征在于,所述配置信息是由中心节点确定的。
  45. 根据权利要求35、36、37、43和44中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    使用第一逻辑信道接收第一数据包;
    所述第二确定单元具体用于:
    根据中继层的指示,使用第二逻辑信道向所述至少一个中继节点转发所述第一数据包。
  46. 根据权利要求35至37中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    接收第一数据包和第二数据包,所述第一数据包的目的节点的地址与所述第二数据包的目的节点的地址相同;
    所述第二确定单元具体用于:
    确定向所述至少一个中继节点中的第一中继节点转发所述第一数据包,以及确定向所述第一中继 节点转发所述第二数据包。
  47. 根据权利要求35至37中任一项所述的通信节点,其特征在于,所述第一接收单元具体用于:
    接收第一数据包和第二数据包,所述第一数据包的目的节点的地址与所述第二数据包的目的节点的地址相同;
    所述通信节点还包括:
    检测单元,用于根据数据包的分组数据汇聚协议PDCP层序列号检测所述第一数据包和所述第二数据包是否为重复数据包。
  48. 根据权利要求47所述的通信节点,其特征在于,所述第二确定单元具体用于:
    若所述第一数据包和所述第二数据包为重复数据包,确定向所述至少一个中继节点发送所述第一数据包或所述第二数据包;或
    若所述第一数据包和所述第二数据包为非重复数据包,确定向所述至少一个中继节点发送所述第一数据包和所述第二数据包。
  49. 根据权利要求34至48中任一项所述的通信节点,其特征在于,所述数据包的报文头还包括所述数据包的源节点的地址。
  50. 根据权利要求34至49中任一项所述的通信节点,其特征在于,所述通信节点还包括:
    上报单元,用于在所述当前中继节点发生故障的情况下,向中心节点上报故障信息,以便于所述中心节点更新路由表,所述路由表用于指示所述数据包从源节点到所述目的节点的传输路径。
  51. 根据权利要求34至50中任一项所述的通信节点,其特征在于,所述数据包包括下行数据包。
  52. 根据权利要求34至50中任一项所述的通信节点,其特征在于,所述数据包包括上行数据包和下行数据包。
  53. 根据权利要求34至52中任一项所述的通信节点,其特征在于,若所述数据包为上行数据包,所述至少一个中继节点为所述当前中继节点的父节点。
  54. 根据权利要求34至53中任一项所述的通信节点,其特征在于,所述目的节点的地址为所述数据包所属终端设备的地址。
  55. 根据权利要求34至53中任一项所述的通信节点,其特征在于,所述目的节点的地址为所述数据包所属终端设备直连的中继节点的地址。
  56. 根据权利要求34至53中任一项所述的通信节点,其特征在于,所述目的节点的地址包括所述数据包所属终端设备的地址和所述数据包所属终端设备直连的中继节点的地址。
  57. 根据权利要求54或56所述的通信节点,其特征在于,所述数据包所属终端设备的地址由中心节点分配。
  58. 根据权利要求55或56所述的通信节点,其特征在于,所述数据包所属终端设备直连的中继节点的地址由中心节点分配。
  59. 根据权利要求36、44、57或58所述的通信节点,其特征在于,所述中心节点为锚定节点、固定接入的接入网节点或核心网节点。
  60. 根据权利要求34至59中任一项所述的通信节点,其特征在于,所述数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头中。
  61. 根据权利要求34至59中任一项所述的通信节点,其特征在于,所述数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
  62. 根据权利要求34至50中任一项所述的通信节点,其特征在于,所述数据包为下行数据包。
  63. 根据权利要求62所述的通信节点,其特征在于,所述数据包括中继节点间转发的下行数据包。
  64. 一种通信节点,其特征在于,所述通信节点为中心节点,所述通信节点包括:
    发送单元,用于向第一中继节点发送路由表,所述路由表用于指示数据包在源节点与目的节点之间的传输路径。
  65. 根据权利要求64所述的通信节点,其特征在于,所述通信节点还包括:
    接收单元,用于在所述第一中继节点发生故障的情况下,接收所述第一中继节点上报的故障信息;
    更新单元,用于根据所述故障信息,更新所述路由表。
  66. 根据权利要求64或65所述的通信节点,其特征在于,所述中心节点为锚定节点、固定接入的接入网节点或核心网节点。
  67. 一种中继网络的数据处理的方法,其特征在于,包括:
    网络锚节点接收数据包,所述数据包的报文头包括第一信息,所述第一信息用于指示所述数据包的源地址;
    所述网络锚节点根据所述第一信息,确定所述数据包的源地址。
  68. 根据权利要求67所述的方法,其特征在于,所述数据包为上行数据包。
  69. 根据权利要求68所述的方法,其特征在于,所述第一信息用于指示以下信息中的至少一种信息:
    发送所述上行数据包的节点的类型,所述类型包括终端设备或中继节点;
    发送所述上行数据包的终端设备的地址;
    发送所述上行数据包的中继节点的地址。
  70. 根据权利要求67至69中任一项所述的方法,其特征在于,所述方法还包括:
    所述网络锚节点根据所述数据包的源地址,对所述数据包进行处理。
  71. 一种中继的路由方法,其特征在于,包括:
    当前中继节点接收上行数据包;
    所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述上行数据包。
  72. 根据权利要求71所述的路由方法,其特征在于,所述当前中继节点接收上行数据包,包括:
    所述当前中继节点接收第一上行数据包;
    所述路由方法还包括:
    所述当前中继节点对所述第一上行数据包进行复制。
  73. 根据权利要求72所述的路由方法,其特征在于,所述上一级中继节点包括第一中继节点和第二中继节点,所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述上行数据包,包括:
    所述当前中继节点向所述第一中继节点转发所述第一上行数据包,以及向所述第二中继节点转发复制后的所述第一上行数据包。
  74. 根据权利要求72所述的路由方法,其特征在于,所述上一级中继节点包括第一中继节点,所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述上行数据包,包括:
    所述当前中继节点使用第一逻辑信道向所述第一中继节点转发所述第一上行数据包,以及使用第二逻辑信道向所述第一中继节点转发复制后的所述第一上行数据包。
  75. 根据权利要求71所述的路由方法,其特征在于,所述当前中继节点接收上行数据包,包括:
    所述当前中继节点使用第一逻辑信道接收第一上行数据包;
    所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述上行数据包,包括:
    所述当前中继节点使用所述第一逻辑信道向所述上一级中继节点转发所述第一上行数据包。
  76. 根据权利要求71所述的路由方法,其特征在于,所述当前中继节点接收上行数据包,包括:
    所述当前中继节点使用第一逻辑信道接收第一上行数据包;
    所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述第一上行数据包,包括:
    所述当前中继节点根据配置信息,使用第二逻辑信道向所述上一级中继节点转发所述第一上行数据包。
  77. 根据权利要求76所述的路由方法,其特征在于,所述配置信息是由网络锚节点确定的。
  78. 根据权利要求71所述的路由方法,其特征在于,所述当前中继节点接收上行数据包,包括:
    所述当前中继节点使用第一逻辑信道接收第一上行数据包;
    所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述上行数据包,包括:
    所述当前中继节点根据中继层的指示,使用第二逻辑信道向所述上一级中继节点转发所述第一上行数据包。
  79. 根据权利要求71所述的路由方法,其特征在于,所述上一级中继节点包括第一中继节点和第二中继节点,所述当前中继节点接收上行数据包,包括:
    所述当前中继节点接收第一上行数据包和第二上行数据包,所述第一上行数据包的源地址与所述第二上行数据包的源节点的地址相同;
    所述当前中继节点向服务所述当前中继节点的上一级中继节点转发所述上行数据包,包括:
    所述当前中继节点向所述第一中继节点转发所述第一上行数据包,以及
    所述当前中继节点向所述第一中继节点转发所述第二上行数据包。
  80. 根据权利要求71所述的路由方法,其特征在于,所述当前中继节点接收上行数据包,包括:
    所述当前中继节点接收第一上行数据包和第二上行数据包,所述第一上行数据包的源地址与所述第二上行数据包的源地址相同;
    所述路由方法还包括:
    所述当前中继节点根据数据包的分组数据汇聚协议PDCP层序列号检测所述第一上行数据包和所述第二上行数据包是否为重复数据包。
  81. 根据权利要求80所述的路由方法,其特征在于,所述当前中继节点向服务所述当前中继节 点的上一级中继节点转发所述上行数据包,包括:
    若所述第一上行数据包和所述第二上行数据包为重复数据包,所述当前中继节点向所述上一级中继节点发送所述第一上行数据包或所述第二上行数据包;或
    若所述第一上行数据包和所述第二上行数据包为非重复数据包,所述当前中继节点向所述上一级中继节点发送所述第一上行数据包和所述第二上行数据包。
  82. 根据权利要求71至81中任一项所述的路由方法,其特征在于,所述上行数据包的报文头包括第一信息,所述第一信息用于指示所述上行数据包的源地址和/或目标地址。
  83. 根据权利要求71至82中任一项所述的路由方法,其特征在于,所述上行数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
  84. 一种通信节点,其特征在于,所述通信节点为网络锚节点,所述通信节点包括:
    接收单元,用于接收数据包,所述数据包的报文头包括第一信息,所述第一信息用于指示所述数据包的源地址;
    确定单元,用于根据所述第一信息,确定所述数据包的源地址。
  85. 根据权利要求84所述的通信节点,其特征在于,所述数据包为上行数据包。
  86. 根据权利要求85所述的通信节点,其特征在于,所述第一信息用于指示以下信息中的至少一种信息:
    发送所述上行数据包的节点的类型,所述类型包括终端设备或中继节点;
    发送所述上行数据包的终端设备的地址;
    发送所述上行数据包的中继节点的地址。
  87. 根据权利要求84至86中任一项所述的通信节点,其特征在于,所述通信节点还包括:
    处理单元,用于根据所述数据包的源地址,对所述数据包进行处理。
  88. 一种通信节点,其特征在于,所述通信节点为当前中继节点,所述通信节点包括:
    接收单元,用于接收上行数据包;
    发送单元,用于向服务所述当前中继节点的上一级中继节点转发所述上行数据包。
  89. 根据权利要求88所述的通信节点,其特征在于,所述接收单元具体用于:
    接收第一上行数据包;
    所述通信节点还包括:
    复制单元,用于对所述第一上行数据包进行复制。
  90. 根据权利要求89所述的通信节点,其特征在于,所述上一级中继节点包括第一中继节点和第二中继节点,所述发送单元具体用于:
    向所述第一中继节点转发所述第一上行数据包,以及向所述第二中继节点转发复制后的所述第一上行数据包。
  91. 根据权利要求89所述的通信节点,其特征在于,所述上一级中继节点包括第一中继节点,所述发送单元具体用于:
    使用第一逻辑信道向所述第一中继节点转发所述第一上行数据包,以及使用第二逻辑信道向所述第一中继节点转发复制后的所述第一上行数据包。
  92. 根据权利要求88所述的通信节点,其特征在于,所述接收单元具体用于:
    使用第一逻辑信道接收第一上行数据包;
    所述发送单元具体用于:
    使用所述第一逻辑信道向所述上一级中继节点转发所述第一上行数据包。
  93. 根据权利要求88所述的通信节点,其特征在于,所述接收单元具体用于:
    使用第一逻辑信道接收第一上行数据包;
    所述发送单元具体用于:
    根据配置信息,使用第二逻辑信道向所述上一级中继节点转发所述第一上行数据包。
  94. 根据权利要求93所述的通信节点,其特征在于,所述配置信息是由网络锚节点确定的。
  95. 根据权利要求88所述的通信节点,其特征在于,所述接收单元具体用于:
    使用第一逻辑信道接收第一上行数据包;
    所述发送单元具体用于:
    根据中继层的指示,使用第二逻辑信道向所述上一级中继节点转发所述第一上行数据包。
  96. 根据权利要求88所述的通信节点,其特征在于,所述上一级中继节点包括第一中继节点和第二中继节点,所述接收单元具体用于:
    接收第一上行数据包和第二上行数据包,所述第一上行数据包的源地址与所述第二上行数据包的源节点的地址相同;
    所述发送单元具体用于:
    向所述第一中继节点转发所述第一上行数据包,以及
    向所述第一中继节点转发所述第二上行数据包。
  97. 根据权利要求88所述的通信节点,其特征在于,所述接收单元具体用于:
    接收第一上行数据包和第二上行数据包,所述第一上行数据包的源地址与所述第二上行数据包的源地址相同;
    所述通信节点还包括:
    检测单元,用于根据数据包的分组数据汇聚协议PDCP层序列号检测所述第一上行数据包和所述第二上行数据包是否为重复数据包。
  98. 根据权利要求97所述的通信节点,其特征在于,所述发送单元具体用于:
    若所述第一上行数据包和所述第二上行数据包为重复数据包,向所述上一级中继节点发送所述第一上行数据包或所述第二上行数据包;或
    若所述第一上行数据包和所述第二上行数据包为非重复数据包,向所述上一级中继节点发送所述第一上行数据包和所述第二上行数据包。
  99. 根据权利要求88至97中任一项所述的通信节点,其特征在于,所述上行数据包的报文头包括第一信息,所述第一信息用于指示所述上行数据包的源地址和/或目标地址。
  100. 根据权利要求88至99中任一项所述的通信节点,其特征在于,所述上行数据包的报文头在分组数据汇聚协议PDCP协议数据单元PDU的报文头外。
  101. 一种通信节点,其特征在于,所述通信节点包括处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行所述权利要求1至30中任一项所述的方法。
  102. 一种通信节点,其特征在于,所述通信节点包括处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行所述权利要求31至33中任一项所述的方法。
  103. 一种通信节点,其特征在于,所述通信节点包括处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行所述权利要求67至70中任一项所述的方法。
  104. 一种通信节点,其特征在于,所述通信节点包括处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行所述权利要求71至83中任一项所述的方法。
  105. 一种计算机可读存储介质,其特征在于,所述存储介质用于存储计算机程序,该计算机程序使得计算机执行所述权利要求1至30中任一项所述的方法。
  106. 一种计算机可读存储介质,其特征在于,所述存储介质用于存储计算机程序,该计算机程序使得计算机执行所述权利要求31至33中任一项所述的方法。
  107. 一种计算机可读存储介质,其特征在于,所述存储介质用于存储计算机程序,该计算机程序使得计算机执行所述权利要求67至70中任一项所述的方法。
  108. 一种计算机可读存储介质,其特征在于,所述存储介质用于存储计算机程序,该计算机程序使得计算机执行所述权利要求71至83中任一项所述的方法。
  109. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至30中任一项所述的方法。
  110. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求31至33中任一项所述的方法。
  111. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求67至70中任一项所述的方法。
  112. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求71至83中任一项所述的方法。
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