WO2020082218A1 - Procédé de communication sans fil et dispositif de réseau - Google Patents

Procédé de communication sans fil et dispositif de réseau Download PDF

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Publication number
WO2020082218A1
WO2020082218A1 PCT/CN2018/111282 CN2018111282W WO2020082218A1 WO 2020082218 A1 WO2020082218 A1 WO 2020082218A1 CN 2018111282 W CN2018111282 W CN 2018111282W WO 2020082218 A1 WO2020082218 A1 WO 2020082218A1
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WIPO (PCT)
Prior art keywords
network node
time
data
network
time interval
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PCT/CN2018/111282
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English (en)
Chinese (zh)
Inventor
刘建华
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.)
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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 CN201880094685.7A priority Critical patent/CN112292837B/zh
Priority to PCT/CN2018/111282 priority patent/WO2020082218A1/fr
Publication of WO2020082218A1 publication Critical patent/WO2020082218A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control

Definitions

  • the embodiments of the present application relate to the communication field, and in particular, to a wireless communication method and network equipment.
  • the New Radio (NR) system needs to support various application scenarios such as Factory Automation, Transport Industry, Electricity Distribution, Electrical Distribution, etc., and introduces Time Sensitive Network (Time Sensitive Network, TSN) concept.
  • TSN Time Sensitive Network
  • the NR network can serve as a TSN network bridge (TSN Bridge) or TSN network connection (TSN link) to provide services for the services of the TSN network.
  • TSN Bridge TSN network bridge
  • TSN link TSN network connection
  • the core network can simultaneously send data to multiple access network nodes. At this time, the multiple access network nodes all transmit data to the terminal device. In this case, how to make the data arrive in a predetermined order Terminal equipment is an urgent problem to be solved.
  • the embodiments of the present application provide a wireless communication method and a network device, which are beneficial to ensure that data arrives at a terminal device in a predetermined order.
  • a method of wireless communication where a first network node receives first data sent by a second network node; the first network node determines to send the first data to a target network node according to reference time information Target time.
  • a wireless communication method including: a second network node sends first data to a first network node, the first time includes reference time information, and the reference time information is used for the first A network node determines the target time for sending the first data to the target network node.
  • a wireless communication method including: a third network node sends first configuration information to a first network node, where the first configuration information is used to receive a second network at the first network node When the first data sent by the node is determined, the target time for sending the first data to the target network node is determined.
  • a network device for performing the method in the first aspect or any possible implementation manner of the first aspect.
  • the network device includes a unit for performing the method in the first aspect or any possible implementation manner of the first aspect.
  • a network device for performing the method in the second aspect or any possible implementation manner of the second aspect.
  • the network device includes a unit for performing the method in the second aspect or any possible implementation manner of the second aspect.
  • a network device for performing the method in the third aspect or any possible implementation manner of the third aspect.
  • the network device includes a unit for performing the method in the third aspect or any possible implementation manner of the third aspect.
  • a network device includes: a processor and a memory.
  • the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or its various implementations.
  • a network device in an eighth aspect, includes: a processor and a memory.
  • the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or its implementations.
  • a network device in a ninth aspect, includes: a processor and a memory.
  • the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the third aspect or its implementations.
  • a chip for implementing any one of the above first to second aspects or the method in each implementation manner thereof.
  • the chip includes: a processor for calling and running a computer program from the memory, so that the device installed with the chip executes any one of the first to third aspects described above or various implementations thereof method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first to third aspects or the various implementations thereof.
  • a computer program product including computer program instructions, which cause a computer to execute the method in any one of the first to third aspects or the various implementations thereof.
  • a computer program which when run on a computer, causes the computer to execute the method in any one of the above first to third aspects or the various implementations thereof.
  • the first network node when receiving the first data sent from the second network node, may determine the time to send the first data to the next hop network node according to the reference time information, which is beneficial to guarantee the data Reach the destination terminal in a predetermined order.
  • FIG. 1 is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a wireless communication method provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an application scenario according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another application scenario of an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a wireless communication method according to another embodiment of the present application.
  • FIG. 6 is a schematic diagram of a wireless communication method according to still another embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of another network device provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of yet another network device provided by an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GSM Global System of Mobile
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Communication System
  • WiMAX Global Interoperability for Microwave Access
  • FIG. 1 shows a schematic diagram of a communication system 100 using a wireless communication method of the present application.
  • the communication system 100 mainly includes an access management function (Access Management Function, AMF) 101, a session management function (Session Management Function, SMF) 102, and a master wireless access network (Master-Radio Access Network, M-RAN) 103, secondary radio access network (Slaver-Radio Access Network, S-RAN) 104, policy control function device (Policy Control Function, PCF) 106, data network (Data Network, DN) 107, user plane function (User Plane Function, UPF) 108, user equipment (User Equipment, UE) 109.
  • AMF Access Management Function
  • SMF Session Management Function
  • UE109 is connected to M-RAN103 and S-RAN104 through Radio Resource Control (RRC) protocol; M-RAN103 is connected to AMF101 through N2 interface, and M-RAN103 and S-RAN104 are connected through N3
  • RRC Radio Resource Control
  • UPF 108 is connected to DN 107 through N6 interface; at the same time, UPF 108 is connected to SMF 102 through N4 interface; SMF 102 is connected to PCF 106 through N7 interface, SMF 102 is connected to AMF 101 through N11 interface, SMF 102 Control UPF 108 through the N4 interface.
  • RRC Radio Resource Control
  • the user equipment (User Equipment, UE) 109 can be called a terminal (Terminal), a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), etc.
  • the user equipment can pass through a radio access network (Radio Access Network, RAN ) Communicate with one or more core networks, UE can be called access terminal, terminal equipment, subscriber unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication Device, user agent, or user device.
  • Radio Access Network Radio Access Network
  • the UE may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant (PDA), a wireless communication function Handheld devices, computer devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and terminal devices in future 5G networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • a wireless communication function Handheld devices computer devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and terminal devices in future 5G networks, etc.
  • UE 109 may establish a connection with M-RAN 103 and S-RAN 104 at the same time.
  • the connection established by UE109 and M-RAN 103 is the primary connection
  • the connection established by UE109 and S-RAN 104 is the secondary connection.
  • the control signaling of UE109 can be transmitted through the primary connection
  • the data of the terminal device can be transmitted through the primary connection and the secondary connection at the same time, or can be transmitted only through the secondary connection.
  • the M-RAN 103 may be an LTE network device, and the S-RAN 104 may be an NR network device.
  • the M-RAN 103 may be an NR network device, and the S-RAN 104 may be an LTE network device.
  • the M-RAN 103 and the S-RAN 104 are both NR network equipment.
  • the embodiments of the present invention do not limit the application scenarios of the technical solutions.
  • the M-RAN 103 may also be GSM network equipment, CDMA network equipment, etc.
  • the S-RAN 104 may also be GSM network equipment, CDMA network equipment, etc.
  • M-RAN 103 may be, for example, a macrocell
  • S-RAN 104 may be, for example, a microcell, a picocell, or a femtocell.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application. As shown in FIG. 2, the method 200 may include the following content.
  • the first network node receives the first data sent by the second network node
  • the first network node determines the target time for sending the first data to the target network node according to the reference time information.
  • FIG. 3 and 4 illustrate two application scenarios of the embodiment of the present application, wherein FIG. 3 is a distributed UPF scenario, that is, each access network node corresponds to a UPF.
  • UE1 may use 5G An access network node (gNB1) in the network is connected to UPF entity 1, further connected to the DNN through the UPF1 entity, and then connected to the external AS through the DNN, while UE2 can pass another access network node (gNB2) in the 5G network Connect to UPF entity 2, further connect to DNN through UPF2 entity, and then connect to external AS through DNN.
  • gNB1 5G An access network node
  • gNB2 5G An access network node
  • Figure 4 is a centralized UPF scenario, that is, multiple access network nodes can share a UPF.
  • UE1 can be connected to UPF entity 1 through an access network node (gNB1) in the 5G network, while UE2 It can also be connected to the UPF entity 1 through another access network node (gNB2) in the 5G network, further connected to the DNN through the UPF1 entity, and then connected to the external AS through the DNN.
  • gNB1 access network node
  • gNB2 access network node
  • gNB2 another access network node
  • the first network node is a user plane function (User Plane Function, UPF) entity or an anchor UPF entity, where the anchor UPF entity may be understood as a management node or control of other UPF entities
  • the second network node may be an external network server node (or DNN).
  • the first network node may be a core network node, and the second network node is also a core network node.
  • the first network node may receive the first data from the second network node. Further, the The first network node may determine the time to send the first data to the target network node, where the target network node is an access network node that provides a service for the destination terminal of the first data.
  • the second network node may also send the second data to the fourth network node, and the fourth network node may also determine the time to send the second data to the target network node.
  • the target network node here is the first The access network node where the destination terminal of the data provides services.
  • the first network node may determine the target time for sending the first data to the target network node according to the reference time information.
  • the reference time information may be sent by the second network node to the second network node.
  • the time when a network node sends the first data or may be link delay information between the first network node and the second network node, or may be sent by the first network node and the second network node Time interval information of data, etc., but the embodiment of the present application is not limited to this.
  • the fourth network node may also determine the target time for sending the second data to the target network node according to the reference time information.
  • the reference time information here may be The time when the second network node sends the second data to the fourth network node, or may be link delay information between the fourth network node and the second network node, or may be the fourth network node The time interval information for sending data with the second network node, etc., but the embodiment of the present application is not limited to this.
  • the embodiment of the present application controls the reference time information corresponding to the first network node and the fourth network node to satisfy a certain relationship, so that the first network node and the fourth network node can receive data sent by the second network node, and can According to the corresponding reference time information, determining the target time for sending data to the next hop network node is beneficial to control the first data and the second data to reach the corresponding destination terminal in a predetermined order.
  • the data arrives at the corresponding destination terminal in a predetermined order can be understood as the order in which the data source (such as AS) sends the data, if the AS sends the first data to the DNN earlier than the time
  • the AS sends the second data to the DNN if the first data arrives at the destination terminal earlier than the second data, the data may be considered to arrive at the corresponding destination terminal in a predetermined order.
  • the first network node is UPF entity 1
  • the second network node is DNN
  • the destination network node is gNB1 as an example to describe a wireless communication method according to an embodiment of the present application.
  • the AS when the AS sends data to the terminal device, the data first arrives at the DNN. Assume that the AS needs to send the first data P1 to the UE1 and the second data P2 to the UE2. The first data P1 is sent earlier than the first For the second data P2, it is expected that the first data arrives at the corresponding destination terminal earlier than the second data.
  • the DNN may send the first data and the second data to the corresponding UPF entity according to the information of the destination terminal included in the first data and the second data, for example, the The first data may include information for identifying UE1 such as the address information or device identification information of UE1, so that after receiving the first data, the DNN may send the first data according to the destination node information in the first data
  • the UPF entity 1 may determine the time when the first data sends the first data to the next-level network node, gNB1, and similarly, the UPF entity 2 may also determine to send the second data Time for the next level of network node, gNB2.
  • the UPF entity 1 may determine the sending time of the first data according to reference time information.
  • the reference time information may include at least one of the following:
  • the first time point at which the DNN sends the first data The first time point at which the DNN sends the first data, the first time interval at which the DNN and the UPF entity 1 send data, the link delay information between the DNN and the UPF entity 1, the UPF entity
  • T gap1 is the first time interval at which the DNN and the UPF entity 1 send data
  • t window1 is the sending at the UPF entity 1 The window length of the time window. If the t window1 is 0, the UPF entity 1 sends the first data at a point in time. If the t window1 is greater than 0, the UPF entity 1 sends the first data in a time window.
  • the UPF entity 1 may determine the time point or time window at which the first data is sent to the gNB1 according to the first time interval at which the DNN and the UPF entity 1 send data.
  • the UPF entity 1 may determine the target time for the UFP entity to send the first data according to the first time interval and the reception time of the first data, for example, the UPF entity 1
  • the first time interval for sending data by the UPF entity 1 t window1 is the window length of the sending time window of the UPF entity 1. If the t window1 is 0, the
  • the first time interval T gap1 at which the DNN and the UPF entity 1 send data may be carried in the first data, or may be pre-configured.
  • the window length t window1 of the sending time window of the UPF entity 1 is also carried in the first data, or may be pre-configured.
  • a third network node such as a Session Management Function (SMF) entity or other network node with management control function, may configure the first time interval T gap1 and the UPF for the UPF entity 1
  • SMF Session Management Function
  • the window length t window1 of the sending time window of the entity 1 specifically, the SMF entity may be in the process of establishing or modifying the connection between the terminal device and the network device, for example, a Protocol Data Unit (PDU) session ( Session)
  • PDU Protocol Data Unit
  • Session Session
  • the T gap1 and t window1 may be zero.
  • the T gap and t window configured by the SMF entity for the UPF1 entity 1 and the UPF entity 2 may satisfy a certain relationship, so that the sending time windows of the UFP entity 1 and the UPF entity 2 do not overlap, Further, the lower-level access network nodes of the UFP entity 1 and the UPF entity 2 can send data to the terminal device in a predetermined order. In the embodiment of the present application, it is expected that the first data arrives at the corresponding purpose earlier than the second data. The terminal causes the UPF entity 1 to send data to the next level access network node earlier than the UPF entity 2.
  • the DNN sends the first data and the second data to the UPF entity 1 and the UPF entity 2 at the same time
  • the target time for the UPF entity 1 to send the first data is t upf1
  • the DNN sends the first data to the UPF entity 1 at t 1
  • the DNN sends the second data to the UPF entity 2 at t 2 , where t 1 is earlier than t 2 and the UPF entity 1 sends the first data
  • the target time of a piece of data is t upf1
  • the target time of UPF entity 2 sending the first data is t upf2 .
  • the first time interval for the entity 2 to send data, t window2 is the window length of the sending time window of the UPF entity 2.
  • the UPF entity 1 may perform the above operation on the data in the target connection of the UE1.
  • the target connection may be a specific PDU session connection or a specific quality of service , QoS) or specific service flow.
  • the target connection may be configured by the SMF entity.
  • the SMF entity may configure the target connection for the UFP entity 1 during the connection establishment or modification process of the terminal device and the network device.
  • the SMF entity can configure the target connection as follows.
  • Method 1 The third network node, for example, the SMF entity directly configures the UFP entity 1 with a specific PDU session connection or a specific quality of service (QoS) or a specific service flow.
  • QoS quality of service
  • the third network node for example, the SMF entity may configure specific attributes for the UFP entity 1, then the UPF entity 1 may connect the PDU session with the specific attributes or a specific quality of service (QoS) or a specific
  • QoS quality of service
  • the above operation may be performed only on the data in the target connection, that is, only the sending time of the data in the target connection may be determined, so that the data reaches the destination terminal in a predetermined order.
  • the SMF entity may determine the target connection according to the configuration of the AS.
  • the AS may also configure the target connection to the DNN, so that the DNN can also learn about the terminal device Which connections perform the above operations.
  • the reference time information may be configured by the AS to the SMF entity, and further the SMF configures the reference time information to the first network node according to the configuration of the AS.
  • the AS can also configure the reference time information to the DNN, so that when the DNN sends the first data and the second data to the UPF entity 1 and the UPF entity 2, it can control the sending time of the first data and the second data, so as to facilitate The first data and the second data arrive at the destination terminal in a predetermined order.
  • the data transmission sequence between the DNN and the UPF entity may use a sequence number to identify the data sending order, so that the UPF entity determines the data sending according to the sequence number
  • the UFP1 entity receives data P1 and data P2 from the DNN, where the destination terminal of data P1 is UE1 and the destination terminal of data P2 is UE2. If the sequence number of data P1 is 1, the sequence number of data P2 is 2, the UPF entity can determine that the data sent first is data P1 and the data sent later is P2 by reordering. Further, the data P1 can be sent to gNB1 first, and then the data P2 can be sent to gNB2.
  • the method of wireless communication according to an embodiment of the present application is described in detail from the perspective of the first network node above in conjunction with FIG. A wireless communication method according to another embodiment of the present application. It should be understood that the descriptions of the second network node side and the third network node side correspond to the descriptions of the first network node side. For similar descriptions, please refer to the above. To avoid repetition, they are not repeated here.
  • FIG. 5 is a schematic flowchart of a wireless communication method 300 according to another embodiment of the present application. As shown in FIG. 5, the method 300 includes the following content:
  • the second network node sends first data to the first network node.
  • the first time includes reference time information.
  • the reference time information is used by the first network node to determine to send the first data to a target.
  • the reference time information includes at least one of the following:
  • the window length of the first time interval and the transmission time window of the first network node and the link delay information are pre-configured.
  • the window length of the first time interval and the transmission time window of the first network node and the link delay information are established or modified when the connection between the terminal device and the network device is established
  • the third network node configures the first network node.
  • the third network node further configures a fourth network node with a second time interval, and the first time interval and the second time interval are used to control the first network node There is no overlap with the sending time window of the fourth network node, wherein the second time interval is a time interval between the fourth network node and the second network node sending data.
  • the method further includes:
  • the second network node sends second data to the fourth network node
  • the second network node controls the time difference between the transmission of the first data and the second data, and the first time interval and the second time interval satisfy certain conditions, so that the first network node and the second data interval
  • the sending time windows of the four network nodes do not overlap.
  • the specific condition is that the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node, where, The time when the second network node sends data to the fourth network node and to the first network node is the same.
  • the specific condition is that the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node minus the first There is a time difference, wherein the first time difference is a time difference when the second network node sends data to the fourth network node and the first network node.
  • the third network node is a session management function SMF entity
  • the fourth network node is a UPF entity.
  • the first network node is a user plane function UPF entity
  • the second network node is an external network service node or an anchor UPF entity
  • the target network node is the first The access network node where the data destination terminal provides services.
  • FIG. 6 is a schematic flowchart of a wireless communication method 400 according to another embodiment of the present application. As shown in FIG. 6, the method 400 includes the following content:
  • the third network node sends first configuration information to the first network node, where the first configuration information is used to determine that the first network node receives the first data sent by the second network node. A target time at which data is sent to the target network node.
  • the first configuration information includes at least one of the following:
  • the method further includes:
  • the third network node sends second configuration information to the fourth network node, for determining that the second data is sent to the target network when the fourth network node receives the second data sent by the second network node The target time of the node.
  • the second configuration information includes at least one of the following:
  • the first time interval and the second time interval are used to control that the transmission time windows of the first network node and the fourth network node do not overlap.
  • the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node, where the second network The time at which the node sends data to the fourth network node and to the first network node is the same.
  • the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node minus the first time difference, where,
  • the first time difference is a time difference when the second network node sends data to the fourth network node and the first network node.
  • the method further includes:
  • the third network node sends third configuration information to the first network node, where the third configuration information is used to configure a target connection corresponding to the first data.
  • the target connection corresponding to the first data is at least one of the following:
  • the third configuration information is used to configure a specific attribute, and the specific PDU connection session, the specific quality of service QoS flow, or the specific service flow are specific with the specific attribute PDU connection session, specific quality of service QoS flow or specific service flow.
  • the third network node is a session management function SMF entity
  • the first network node is a user plane function UPF entity
  • the second network node is an external network service node or anchor UPF Entity
  • the target network node is an access network node that provides a service for the destination terminal of the first data.
  • FIG. 7 shows a schematic block diagram of a network device 500 according to an embodiment of the present application.
  • the network device 50 includes:
  • the communication module 51 is configured to receive the first data sent by the second network node;
  • the determining module 52 is configured to determine the target time for sending the first data to the target network node according to the reference time information.
  • the reference time information includes at least one of the following:
  • the determination module is specifically configured to determine that the second time point or the second time period after the first time point is a target time for sending the first data.
  • the time interval between the first time point and the second time point or the start time of the second time period is the first time interval.
  • the determination module is specifically configured to determine the target time for sending the first data according to the first time interval and the reception time of the first data.
  • the determination module is further configured to: determine a third time point or a third time period after the reception time of the first data as the target time for sending the first data.
  • the time interval between the third time point and the start time of the third time period and the reception time of the first data is the first time interval.
  • the determination module is further configured to: determine the received data according to the reception time of the first data and the link delay information between the network device and the second network node A first point in time when the second network node sends the first data;
  • the target time for the network device to send the first data is determined according to the first time point when the second network node sends the first data.
  • the determination module is further configured to determine that the second time point or the second time period after the first time point is the target time for sending the first data.
  • the time interval between the first time point and the second time point or the start time of the second time period is the first time interval.
  • the reference time information is carried in the first data
  • the first time point is carried in the first data, and other information in the reference time information is pre-configured.
  • the reference time information is configured by the third network node to the network device during a connection establishment or modification process between the terminal device and the network device.
  • the third network node further configures a fourth network node with a second time interval, the first time interval and the second time interval are used to control the network device and all The transmission time windows of the fourth network node do not overlap, wherein the second time interval is a time interval between the fourth network node and the second network node sending data.
  • the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the network device, where the second network node The time for the fourth network node to send data to the network device is the same.
  • the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the network device minus the first time difference, where The first time difference is the time difference when the second network node sends data to the fourth network node and the network device.
  • the third network node further configures the network device with a target connection corresponding to the first data.
  • the target connection corresponding to the first data is at least one of the following:
  • Specific protocol data unit PDU connection session specific quality of service QoS flow, specific service flow.
  • the configuration information is used to configure specific attributes, and the PDU connection session, quality of service QoS flow or service flow with the specific attribute is the specific PDU connection session, the QoS flow or The specific service flow is.
  • the third network node is a session management function SMF entity
  • the fourth network node is a UPF entity
  • the determination module is further used to:
  • a transmission sequence for transmitting the plurality of data to be transmitted to a plurality of target network nodes is determined, wherein the plurality of target network nodes share the network device.
  • the network device is a user plane function UPF entity
  • the second network node is an external network service node or an anchor UPF entity
  • the target network node is for the first data An access network node provided by the destination terminal.
  • the network device 10 of FIG. 8 includes:
  • the communication module 11 is configured to send first data to a first network node, where the first time includes reference time information, and the reference time information is used by the first network node to determine to send the first data to a target The target time of the network node.
  • the reference time information includes at least one of the following:
  • a first time point at which the network device sends the first data a first time interval at which the first network node and the network device send data, and a link between the first network node and the network device Road delay information, the window length of the time window sent by the first network node.
  • the window length of the first time interval and the transmission time window of the first network node and the link delay information are pre-configured.
  • the window length of the first time interval and the transmission time window of the first network node and the link delay information are established or modified when the connection between the terminal device and the network device is established
  • the third network node configures the first network node.
  • the third network node further configures a fourth network node with a second time interval, and the first time interval and the second time interval are used to control the first network node There is no overlap with the sending time window of the fourth network node, wherein the second time interval is a time interval for sending data by the fourth network node and the network device.
  • the communication module is further configured to: send the second data to the fourth network node;
  • the network equipment also includes:
  • a control module configured to control the time difference between the transmission of the first data and the second data, and the first time interval and the second time interval satisfy certain conditions, so that the first network node and the fourth The sending time windows of network nodes do not overlap.
  • the specific condition is that the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node, where, The network device sends data to the fourth network node and to the first network node at the same time.
  • the specific condition is that the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node minus the first There is a time difference, wherein the first time difference is a time difference when the network device sends data to the fourth network node and the first network node.
  • the third network node is a session management function SMF entity
  • the fourth network node is a UPF entity.
  • the first network node is a user plane function UPF entity
  • the network device is an external network service node or an anchor UPF entity
  • the target network node is for the first data An access network node provided by the destination terminal.
  • the network device 80 of FIG. 9 includes:
  • the communication module 81 is configured to send first configuration information to the first network node, and the first configuration information is used to determine that the first network node receives the first data sent by the second network node. A target time at which data is sent to the target network node.
  • the first configuration information includes at least one of the following:
  • the communication module is further configured to: send second configuration information to a fourth network node, when the fourth network node receives second data sent by the second network node To determine the target time for sending the second data to the target network node.
  • the second configuration information includes at least one of the following:
  • the first time interval and the second time interval are used to control that the transmission time windows of the first network node and the fourth network node do not overlap.
  • the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node, where the second network The time at which the node sends data to the fourth network node and to the first network node is the same.
  • the difference between the second time interval and the first time interval is greater than or equal to the window length of the transmission time window of the first network node minus the first time difference, where,
  • the first time difference is a time difference when the second network node sends data to the fourth network node and the first network node.
  • the communication module is also used to:
  • the target connection corresponding to the first data is at least one of the following:
  • the third configuration information is used to configure a specific attribute, and the specific PDU connection session, the specific quality of service QoS flow, or the specific service flow are specific with the specific attribute PDU connection session, specific quality of service QoS flow or specific service flow.
  • the network device is a session management function SMF entity
  • the first network node is a user plane function UPF entity
  • the second network node is an external network service node or an anchor UPF entity
  • the target network node is an access network node that provides a service for the destination terminal of the first data.
  • FIG. 10 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 10 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiments of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
  • FIG. 11 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 11 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system chips, chip systems, or system-on-chip chips.
  • the communication system 900 includes a first network device 910, a second network device 920, and a third network device.
  • the first network device 910 may be used to implement the corresponding function implemented by the first network node in the above method
  • the second network device 920 may be used to implement the corresponding function implemented by the second network node in the above method
  • the third network device 930 may be used to implement the corresponding function implemented by the third network node in the above method, and for the sake of brevity, no further description is provided here.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronic Erasable programmable read only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on.
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application. No longer.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. And will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a division of logical functions.
  • there may be other divisions for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a computer-readable storage medium.
  • the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication sans fil et un dispositif de réseau. Le procédé comprend les étapes suivantes : un premier nœud de réseau reçoit des premières données envoyées par un deuxième nœud de réseau ; et le premier nœud de réseau détermine, selon des informations d'instant de référence, d'envoyer un instant cible des premières données à un nœud de réseau cible.
PCT/CN2018/111282 2018-10-22 2018-10-22 Procédé de communication sans fil et dispositif de réseau WO2020082218A1 (fr)

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PCT/CN2018/111282 WO2020082218A1 (fr) 2018-10-22 2018-10-22 Procédé de communication sans fil et dispositif de réseau

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