CN112292837A

CN112292837A - Wireless communication method and network equipment

Info

Publication number: CN112292837A
Application number: CN201880094685.7A
Authority: CN
Inventors: 刘建华
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2021-01-29
Anticipated expiration: 2038-10-22
Also published as: CN112292837B; WO2020082218A1

Abstract

A method and network device of wireless communication, the method comprising: a first network node receives first data sent by a second network node; and the first network node determines the target time for sending the first data to the target network node according to the reference time information.

Description

Wireless communication method and network equipment

Technical Field

The embodiment of the application relates to the field of communication, in particular to a wireless communication method and network equipment.

Background

A New Radio (NR) system needs to support various application scenarios such as Factory Automation (Factory Automation), transportation Industry (Transport Industry), Power Distribution (Electrical Power Distribution), and the like, and introduces a concept of Time Sensitive Network (TSN). In the TSN network, the NR network may serve as a TSN network Bridge (TSN Bridge) or a TSN network connection (TSN link) for traffic of the TSN network.

In the TSN network, a core network may send data to a plurality of access network nodes at the same time, and at this time, the plurality of access network nodes all transmit data to a terminal device.

Disclosure of Invention

The embodiment of the application provides a wireless communication method and network equipment, which are beneficial to ensuring that data reach terminal equipment according to a preset sequence.

In a first aspect, a method of wireless communication is provided, in which a first network node receives first data sent by a second network node; and the first network node determines the target time for sending the first data to the target network node according to the reference time information.

In a second aspect, a method of wireless communication is provided, including: the second network node sends first data to the first network node, wherein the first time comprises reference time information, and the reference time information is used for the first network node to determine target time for sending the first data to a target network node.

In a third aspect, a method of wireless communication is provided, including: the third network node sends first configuration information to the first network node, wherein the first configuration information is used for determining target time for sending first data to a target network node when the first network node receives the first data sent by the second network node.

In a fourth aspect, a network device is provided for performing the method of the first aspect or any possible implementation manner of the first aspect. In particular, the network device comprises means for performing the method of the first aspect described above or any possible implementation manner of the first aspect.

In a fifth aspect, a network device is provided for performing the method of the second aspect or any possible implementation manner of the second aspect. In particular, the network device comprises means for performing the method of the second aspect described above or any possible implementation of the second aspect.

A sixth aspect provides a network device configured to perform the method of the third aspect or any possible implementation manner of the third aspect. In particular, the network device comprises means for performing the method of the third aspect or any possible implementation manner of the third aspect.

In a seventh aspect, a network device is provided, where the network device includes: including a processor and memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the first aspect or each implementation manner thereof.

In an eighth aspect, a network device is provided, which includes: including a processor and memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method of the second aspect or each implementation mode thereof.

In a ninth aspect, there is provided a network device, comprising: including a processor and memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the third aspect or each implementation manner thereof.

A tenth aspect provides a chip for implementing the method of any one of the first to second aspects or implementations thereof.

Specifically, the chip includes: a processor configured to call and run the computer program from the memory, so that the device on which the chip is installed performs the method according to any one of the first to third aspects or the implementation manners thereof.

In an eleventh aspect, a computer-readable storage medium is provided for storing a computer program, which causes a computer to perform the method of any one of the first to third aspects or implementations thereof.

In a twelfth aspect, there is provided a computer program product comprising computer program instructions to cause a computer to perform the method of any of the first to third aspects or implementations thereof.

In a thirteenth aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of any one of the above first to third aspects or implementations thereof.

Based on the above technical solution, when receiving the first data sent from the second network node, the first network node may determine, according to the reference time information, a time for sending the first data to the next hop network node, which is beneficial to ensuring that the data reaches the destination terminal in a predetermined order.

Drawings

Fig. 1 is a schematic diagram of an application scenario provided in an embodiment of the present application.

Fig. 2 is a schematic diagram of a method of wireless communication provided by an embodiment of the present application.

Fig. 3 is a schematic diagram of an application scenario of 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 method of wireless communication provided by another embodiment of the present application.

Fig. 6 is a schematic diagram of a method of wireless communication according to yet another embodiment of the present application.

Fig. 7 is a schematic block diagram of a network device according to an embodiment of the present application.

Fig. 8 is a schematic block diagram of another network device provided in an embodiment of the present application.

Fig. 9 is a schematic block diagram of another network device provided in 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 in an embodiment of the present application.

Fig. 12 is a schematic block diagram of a communication system according to an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, an LTE Frequency Division Duplex (FDD) System, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication System, or a 5G System.

Illustratively, a communication system 100 applied in the embodiment of the present application is shown in fig. 1. Fig. 1 shows a schematic diagram of a communication system 100 using one method of wireless communication of the present application. As shown in fig. 1, the communication system 100 mainly includes: an Access Management Function (AMF) 101, a Session Management Function (SMF) 102, a Master-Radio Access Network (M-RAN) 103, a slave-Radio Access Network (S-RAN) 104, a Policy Control Function (Policy Control Function, PCF)106, a Data Network (Data Network, DN)107, a User Plane Function (UPF) 108, and a User Equipment (UE) 109. Wherein, the UE 109 is connected to the M-RAN103 and the S-RAN 104 through a Radio Resource Control (RRC) protocol; the M-RAN103 is connected with the AMF 101 through an N2 interface, and the M-RAN103 and the S-RAN 104 are connected with the UPF 108 through an N3 interface; UPF 108 is connected to DN 107 via an N6 interface, while UPF 108 is connected to SMF 102 via an N4 interface; SMF 102 is connected to PCF 106 via an N7 interface, SMF 102 is connected to AMF 101 via an N11 interface, and SMF 102 controls UPF 108 via an N4 interface.

User Equipment (UE) 109 may be referred to as a Terminal (Terminal), a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), etc., and may communicate with one or more core networks via a Radio Access Network (RAN), and may be referred to as an Access Terminal, a Terminal device, a subscriber unit, a subscriber Station, a Mobile Station, a remote Terminal, a Mobile device, a User Terminal, a wireless communication device, a User agent, or a User Equipment. The UE 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), a handheld device with Wireless communication capability, a computer device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network, and so on.

Optionally, in this embodiment, the UE 109 may establish a connection with the M-RAN103 and the S-RAN 104 simultaneously. The connection established between the UE 109 and the M-RAN103 is a primary connection, and the connection established between the UE 109 and the S-RAN 104 is a secondary connection. The control signaling of the UE 109 may be transmitted through the primary connection, while the data of the terminal device may be transmitted through the primary connection and the secondary connection simultaneously, or may be transmitted through only the secondary connection.

More specifically, the M-RAN103 may be an LTE network device and the S-RAN 104 may be an NR network device. Or the M-RAN103 may be an NR network device and the S-RAN 104 may be an LTE network device. Or the M-RAN103 and the S-RAN 104 are both NR network devices. However, the embodiment of the present invention does not limit the application scenario of the technical solution.

For example, the M-RAN103 may also be a GSM network device, a CDMA network device, etc., and the S-RAN 104 may also be a GSM network device, a CDMA network device, etc.

Also for example, the M-RAN103 may be a macro base station (macro cell), and the S-RAN 104 may be a micro cellular base station (micro cell), a pico cellular base station (pico cell), or a femto cellular base station (Femtocell), for example.

Alternatively, the 5G system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Fig. 2 is a schematic flow chart of a method for wireless communication according to an embodiment of the present disclosure, and as shown in fig. 2, the method 200 may include the following.

S210, a first network node receives first data sent by a second network node;

s220, the first network node determines a target time for sending the first data to a target network node according to the reference time information.

Fig. 3 and 4 show two application scenarios of the embodiment of the present application, where fig. 3 is a distributed UPF scenario, that is, each access network node corresponds to one UPF, for example, in fig. 3, a UE1 may be connected to UPF entity 1 through an access network node (gNB1) in a 5G network, further connected to DNN through UPF1 entity, and further connected to an external AS through DNN, while a UE2 may be connected to UPF entity 2 through another access network node (gNB2) in the 5G network, further connected to DNN through UPF2 entity, and further connected to the external AS through DNN.

Fig. 4 is a centralized UPF scenario, i.e. multiple access network nodes may share one UPF, for example, in fig. 4, UE1 may be connected to UPF entity 1 through one access network node (gNB1) in the 5G network, while UE2 may also be connected to UPF entity 1 through another access network node (gNB2) in the 5G network, further connected to DNN through UPF1 entity, and further connected to an external AS through DNN.

Optionally, in this embodiment of the present application, the first network node is a User Plane Function (UPF) entity or an anchor UPF entity, where the anchor UPF entity may be understood as a management node or a control node of another UPF entity, and the second network node may be an external network server node (or DNN).

In this embodiment, the first network node may be a core network node, the second network node is also a core network node, the first network node may receive first data from the second network node, and further, the first network node may determine a time for sending the first data to a target network node, where the target network node is an access network node that provides a service for a destination terminal of the first data. Optionally, the second network node may further send the second data to a fourth network node, and the fourth network node may also determine a time for sending the second data to a target network node, where the target network node is an access network node serving a destination terminal of the second data.

In this embodiment of the present application, the first network node may determine a target time for sending the first data to the target network node according to reference time information, optionally, the reference time information may be a time for sending the first data to the first network node by the second network node, or may also be link delay information between the first network node and the second network node, or may also be time interval information for sending data by the first network node and the second network node, and the like, but the embodiment of the present application is not limited thereto.

Optionally, in this embodiment of the present application, the fourth network node may also determine a target time for sending the second data to the target network node according to reference time information, where the reference time information may be a time for the second network node to send the second data to the fourth network node, or may also be link delay information between the fourth network node and the second network node, or may also be time interval information for the fourth network node and the second network node to send data, and the like, but this embodiment of the present application is not limited thereto.

According to the embodiment of the application, the reference time information corresponding to the first network node and the fourth network node is controlled to meet a certain relationship, so that after the first network node and the fourth network node receive data sent by the second network node, the target time for sending the data to the next-hop network node can be determined according to the corresponding reference time information, and the first network node and the fourth network node are controlled to reach the corresponding destination terminals according to the preset sequence.

It should be understood that, in the embodiment of the present application, the data arriving at the corresponding destination terminal in the predetermined order may be understood AS the order in which the source end (e.g. AS) of the data transmits the data, and if the time when the AS transmits the first data to the DNN is earlier than the time when the AS transmits the second data to the DNN, the data may be considered to arrive at the corresponding destination terminal in the predetermined order if the first data arrives at the destination terminal earlier than the second data.

Hereinafter, without loss of generality, the method for wireless communication according to the embodiment of the present application is described by taking the first network node as the UPF entity 1, the second network node as the DNN, and the destination network node as the gNB1 as an example.

Specifically, when the AS sends data to the terminal device, the data first arrives at DNN, and assuming that the AS needs to send first data P1 to UE1 and second data P2 to UE2, the sending time of the first data P1 is earlier than that of the second data P2, and the first data is expected to arrive at the corresponding destination terminal earlier than the second data. After receiving the first data and the second data, the DNN may send the first data and the second data to corresponding UPF entities according to information of a destination terminal included in the first data and the second data, for example, the first data may include information for identifying the UE1, such as address information or device identification information of the UE1, so that after receiving the first data, the DNN may send the first data to the UPF entity 1 according to destination node information in the first data, further, the UPF entity 1 may determine a time when the first data is sent to a next network node, i.e., a gNB1, and similarly, the UPF entity 2 may also determine a time when the second data is sent to a next network node, i.e., a gNB 2.

In this embodiment of the present application, the UPF entity 1 may determine the sending time of the first data according to reference time information, and optionally, the reference time information may include at least one of the following:

a first time point when the first data is sent by the DNN, a first time interval when the data is sent by the DNN and the UPF entity 1, link delay information between the DNN and the UPF entity 1, and a window length of a sending time window of the UPF entity 1.

Optionally, in embodiment 1, the UPF entity 1 may determine, according to the first time point of sending the first data to the DNN, a time point or a time window of sending the first data to the gNB1, and further, may send the first data to the gNB1 within the time point or the time window. For example, the UPF entity 1 may determine a second time point or a second time period after the first time point as a target time for transmitting the first data. For example, the target time t for the UPF entity 1 to transmit the first data may be determined according to the following formula_upf1＝t _DNN+T _gap1+t _window1. Wherein, t is_DNNA first point in time, T, at which the first data are transmitted for the DNN_gap1A first time interval, t, for sending data for the DNN and the UPF entity 1_window1The window length of the transmission time window of the UPF entity 1. If t is_window1If it is 0, the UPF entity 1 sends the first data at a time point, if t is_window1If the value is greater than 0, the UPF entity 1 sends the first data within a time window.

Optionally, in embodiment 2, the UPF entity 1 may determine a time point or a time window for sending the first data to the gNB1 according to the DNN and the first time interval for sending data by the UPF entity 1. For example, in an implementation manner of this embodiment 2, the UPF entity 1 may determine a target time for the UFP entity to send the first data according to the first time interval and the receiving time of the first data, for example, the UPF entity 1 may determine a third time or a third time period after the receiving time of the first data as the sending time of the first data, where the UPF entity 1 may determine the third time or the third time period after the receiving time of the first data as the sending time of the first dataThe time interval between the starting time of the third time or the third time period and the receiving time is the first time interval, i.e. t_upf1＝t _arrival+T _gap1+t _window1Wherein, t is_arrivalPoint in time, T, for the UPF entity 1 to receive said first data_gap1A first time interval, t, for sending data for the DNN and the UPF entity 1_window1The window length of the transmission time window of the UPF entity 1. If t is_window1If it is 0, the UPF entity 1 sends the first data at a time point, if t is_window1If the value is greater than 0, the UPF entity 1 sends the first data within a time window.

Optionally, in another implementation manner of this embodiment 2, the UPF entity 1 may determine, according to the receiving time of the first data, the time for sending the first data by the DNN in combination with the link delay information between the UPF entity 1 and the DNN, for example, the UPF entity 1 may determine a specific time point before the receiving time of the first data as the time for sending the first data by the DNN, where an interval between the specific time point and the receiving time is the link delay between the UPF entity 1 and the DNN, that is, t_DNN＝t _arrival-D _elayD of the above_elayFor the link delay between the UPF entity 1 and the DNN, the target time for the UPF entity 1 to send the first data may be further determined in the manner in embodiment 1.

Optionally, in some embodiments, the DNN and the first time interval T for which the UPF entity 1 transmits data_gap1May be carried in the first data or may be pre-configured.

Optionally, in some embodiments, the window length t of the transmission time window of the UPF entity 1_window1Also carried in the first data or may be pre-configured.

Optionally, a third network node, such as a Session Management Function (SMF) entity or other network node with Management control FunctionThe UPF entity 1 may be configured with the first time interval T_gap1And the window length t of the transmission time window of the UPF entity 1_window1Specifically, the SMF entity may configure the above parameters to the UPF entity 1 in a process of establishing or modifying a connection between the terminal device and the network device, for example, in a process of establishing or modifying a Protocol Data Unit (PDU) Session (Session), optionally, in some embodiments, the T is configured to the UPF entity 1_gap1And t_window1May be zero.

Optionally, in some embodiments, the SMF entity configures T for UPF1 entity 1 and UPF entity 2_gapAnd t_windowA certain relationship may be satisfied, so that the sending time windows of the UFP entity 1 and the UPF entity 2 do not overlap, and further, the next-level access network node of the UFP entity 1 and the UPF entity 2 may send data to the terminal device according to a predetermined order.

In one case, the DNN simultaneously sends the first data and the second data to the UPF entity 1 and the UPF entity 2, respectively, and the target time for the UPF entity 1 to send the first data is t_upf1The target time for the UPF entity 2 to send the first data is t_upf2If it is desired to make t_upf1Earlier than t_upf2Wherein, t_upf1＝t _DNN+T _gap1+t _window1，t _upf2＝t _DNN+T _gap2+t _window2Then T can be configured_gap2≥T _gap1+t _window1Wherein, the T_gap2A first time interval, t, for sending data for the DNN and the UPF entity 2_window2The window length of the transmission time window of the UPF entity 2.

In another case, the DNN is at t₁Sending first data to the UPF entity 1, the DNN being at t₂Sending the second data to UPF entity 2, wherein t₁Earlier than t₂The target time for the UPF entity 1 to send the first data is t_upf1The target time for the UPF entity 2 to send the first data is t_upf2If it is desired to make t_upf1Earlier than t_upf2I.e. t_upf1<t _upf2Wherein, t_upf1＝t ₁+T _gap1+t _window1，t _upf2＝t ₂+T _gap2+t _window2Then T can be configured_gap2≥T _gap1+t _window1-(t ₂-t ₁) Wherein, the T_gap2A first time interval, t, for sending data for the DNN and the UPF entity 2_window2The window length of the transmission time window of the UPF entity 2.

It should be understood that the above two cases are only examples, and when the DNN sends the first data and the second data to the UPF entity 1 and the UPF entity 2 at times satisfying other relationships, it is also possible to control the T_gap1，T _gap2，t _window1，t _window2And the DNN sends the time and other parameters of the first data and the second data, so that the time windows of sending the first data and the second data by the UPF entity 1 and the UPF entity 2 are not overlapped, and further, the next-level access network nodes of the UFP entity 1 and the UPF entity 2 can send the data to the corresponding destination terminals according to a predetermined sequence.

Optionally, in this embodiment of the present application, the UPF entity 1 may perform the above operations on data in a target connection of the UE1, and optionally, the target connection may be a specific PDU session connection or a specific Quality of Service (QoS) or a specific traffic flow. The target connection may be configured by the SMF entity, and specifically, the SMF entity may configure the target connection to the UFP entity 1 during connection establishment or modification of the terminal device and the network device. Alternatively, the SMF entity may configure the target connection as follows.

Mode 1: the third network node, e.g. the SMF entity, configures UFP entity 1 directly with a specific PDU session connection or a specific Quality of Service (QoS) or a specific traffic flow.

Mode 2: a third network node, e.g. an SMF entity, may configure UFP entity 1 with specific attributes, and then the UPF entity 1 may determine a PDU session connection or a specific Quality of Service (QoS) or a specific traffic flow with the specific attributes as the target connection.

Further, the above operation may be performed only for the data in the target connection, i.e. only the sending time of the data in the target connection is determined, so that the data arrive at the destination terminal in a predetermined order.

Optionally, in this embodiment of the present application, the SMF entity may determine the target connection according to the configuration of the AS, and optionally, the AS may also configure the target connection to the DNN, so that the DNN may also know which connections of the terminal device to perform the above operations.

Optionally, in this embodiment of the present application, 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, and in some cases, the AS may also configure the reference time information to the DNN, so that the DNN may control the sending time of the first data and the second data when sending the first data and the second data to the UPF entity 1 and the UPF entity 2, so that the first data and the second data reach the destination terminal in a predetermined order.

Optionally, in this embodiment of the present application, for the centralized UPF scenario shown in fig. 4, sequence numbers may be used for identifying sending sequences of data in data transmission between DNN and UPF entities, so that the UPF entity determines the sending sequences of the data according to the sequence numbers, and it is assumed that the UFP1 entity receives data P1 and data P2 from the DNN, where a destination terminal of the data P1 is UE1, a destination terminal of the data P2 is UE2, and if the sequence number of the data P1 is 1 and the sequence number of the data P2 is 2, the UPF entity may determine, in a reordering manner, that data sent first is data P1 and then is P2, and further, may first send the data P1 to the gNB1, and then send the data P2 to the gNB 2.

The method of wireless communication according to an embodiment of the present application is described in detail above with reference to fig. 2 from the perspective of the first network node, and the method of wireless communication according to another embodiment of the present application is described in detail below with reference to fig. 3 and 4 from the perspective of the second network node and the third network node, respectively. It should be understood that the descriptions of the second network node side and the third network node side correspond to the description of the first network node side, and similar descriptions may be referred to above, and are not repeated herein to avoid repetition.

Fig. 5 is a schematic flow chart of a method 300 of wireless communication according to another embodiment of the present application, as shown in fig. 5, the method 300 including the following:

s310, a second network node sends first data to a first network node, where the first time includes reference time information, and the reference time information is used for the first network node to determine a target time for sending the first data to a target network node.

Optionally, in some embodiments, the reference time information comprises at least one of:

a first time point when the second network node sends the first data, a first time interval when the first network node and the second network node send data, link delay information between the first network node and the second network node, and a window length of a time window sent by the first network node.

Optionally, in some embodiments, the window length of the first time interval and the transmission time window of the first network node and the link delay information are preconfigured.

Optionally, in some embodiments, the window length of the first time interval and the transmission time window of the first network node and the link delay information are configured to the first network node by a third network node in a connection establishment or modification process between a terminal device and a network device.

Optionally, in some embodiments, the third network node further configures a second time interval to a fourth network node, where the first time interval and the second time interval are used to control that transmission time windows of the first network node and the fourth network node do not overlap, where the second time interval is a time interval in which the fourth network node and the second network node transmit data.

Optionally, in some embodiments, the method further comprises:

the second network node sending second data to a fourth network node;

the second network node controls a difference in transmission time of the first data and the second data, and the first time interval and the second time interval satisfy a certain condition such that transmission time windows of the first network node and a fourth network node do not overlap.

Optionally, in some embodiments, the specific condition is that a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, where the time for the second network node to transmit data to the fourth network node is the same as the time for transmitting data to the first network node.

Optionally, in some embodiments, the specific condition is that a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, where the first time difference is a time difference between the second network node transmitting data to the fourth network node and the first network node.

Optionally, in some embodiments, the third network node is a session management function, SMF, entity, and the fourth network node is a UPF entity.

Optionally, in some embodiments, 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, and the target network node is an access network node that provides a service for a destination terminal of the first data.

Fig. 6 is a schematic flow chart of a method 400 of wireless communication according to another embodiment of the present application, as shown in fig. 6, the method 400 including the following:

s410, a third network node sends first configuration information to a first network node, where the first configuration information is used to determine a target time for sending first data to a target network node when the first network node receives the first data sent by a second network node.

Optionally, in some embodiments, the first configuration information comprises at least one of:

a first time interval during which the first network node and the second network node transmit data, a window length of a transmission time window of the first network node.

Optionally, in some embodiments, the method further comprises:

and the third network node sends second configuration information to a fourth network node, and the second configuration information is used for determining target time for sending second data to a target network node when the fourth network node receives the second data sent by the second network node.

Optionally, in some embodiments, the second configuration information comprises at least one of:

a second time interval during which the fourth network node and the second network node transmit data, a window length of a transmission time window of the fourth network node.

Optionally, in some embodiments, the first and second time intervals are used to control the transmission time windows of the first and fourth network nodes to be non-overlapping.

Optionally, in some embodiments, a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, where a time for the second network node to transmit data to the fourth network node and to the first network node is the same.

Optionally, in some embodiments, a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, where the first time difference is a time difference between the second network node transmitting data to the fourth network node and the first network node.

Optionally, in some embodiments, the method further comprises:

and the third network node sends third configuration information to the first network node, wherein the third configuration information is used for configuring the target connection corresponding to the first data.

Optionally, in some embodiments, the target connection corresponding to the first data is at least one of the following:

a specific PDU connecting a session, a specific quality of service QoS flow, a specific traffic flow.

Optionally, in some embodiments, 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 traffic flow is a specific PDU connection session, a specific quality of service QoS flow, or a specific traffic flow having the specific attribute.

Optionally, in some embodiments, 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 an anchor UPF entity, and the target network node is an access network node that provides a service for a destination terminal of the first data.

While method embodiments of the present application are described in detail above with reference to fig. 2-6, apparatus embodiments of the present application are described in detail below with reference to fig. 7-12, it being understood that apparatus embodiments correspond to method embodiments and that similar descriptions may be had with reference to method embodiments.

Fig. 7 shows a schematic block diagram of a network device 500 according to an embodiment of the application. As shown in fig. 7, the network device 50 includes:

a communication module 51, configured to receive first data sent by a second network node;

a determining module 52, configured to determine a target time for sending the first data to a target network node according to the reference time information.

a first time point when the second network node sends the first data, a first time interval when the network device and the second network node send data, link delay information between the network device and the second network node, and a window length of a time window sent by the network device.

Optionally, in some embodiments, the determining module is specifically configured to: and determining a second time point or a second time period after the first time point as a target time for sending the first data.

Optionally, in some embodiments, 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.

Optionally, in some embodiments, the determining module is specifically configured to: and determining the target time for sending the first data according to the first time interval and the receiving time of the first data.

Optionally, in some embodiments, the determining module is further configured to: determining a third time point or a third time period after the reception time of the first data as a target time to transmit the first data.

Optionally, in some embodiments, the third time point and the time interval between the start time of the third time period and the receiving time of the first data are the first time interval.

Optionally, in some embodiments, the determining module is further configured to: determining a first time point of sending the first data by the second network node according to the receiving time of the first data and the link delay information between the network equipment and the second network node;

and determining the target time for the network equipment to send the first data according to the first time point for the second network node to send the first data.

Optionally, in some embodiments, the determining module is further configured to: and determining a second time point or a second time period after the first time point as a target time for sending the first data.

Optionally, in some embodiments, the reference time information is carried in the first data; or

The first point in time is carried in the first data, other ones of the reference time information being preconfigured.

Optionally, in some embodiments, the reference time information is configured to the network device by a third network node during connection establishment or modification of the terminal device and the network device.

Optionally, in some embodiments, the third network node further configures a second time interval to a fourth network node, where the first time interval and the second time interval are used to control that transmission time windows of the network device and the fourth network node do not overlap, where the second time interval is a time interval in which the fourth network node and the second network node transmit data.

Optionally, in some embodiments, a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the network device, where the time for the second network node to transmit data to the fourth network node and to the network device is the same.

Optionally, in some embodiments, a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the network device minus a first time difference, where the first time difference is a time difference between the second network node and the fourth network node and the network device.

Optionally, in some embodiments, the third network node further configures a target connection corresponding to the first data for the network device.

a specific protocol data unit PDU connects a session, a specific quality of service QoS flow, a specific traffic flow.

Optionally, in some embodiments, the configuration information is used to configure a specific attribute, and the PDU connection session, the quality of service QoS flow, or the traffic flow with the specific attribute is the specific PDU connection session, the QoS flow, or the specific traffic flow.

Optionally, in some embodiments, the third network node is a session management function, SMF, entity, the fourth network node is a UPF entity,

optionally, in some embodiments, the determining module is further configured to:

determining a sending sequence for sending the data to be sent to a plurality of target network nodes according to serial numbers of the data to be sent, wherein the network equipment is shared by the target network nodes.

Optionally, in some embodiments, 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, and the target network node is an access network node that provides a service for a destination terminal of the first data.

Fig. 8 is a schematic block diagram of a network device according to an embodiment of the present application. The network device 10 of fig. 8 includes:

a communication module 11, 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 for the first network node to determine a target time for sending the first data to a target network node.

a first time point when the network device sends the first data, a first time interval when the first network node and the network device send data, link delay information between the first network node and the network device, and a window length of a time window sent by the first network node.

Optionally, in some embodiments, the third network node further configures a second time interval to a fourth network node, where the first time interval and the second time interval are used to control that transmission time windows of the first network node and the fourth network node do not overlap, where the second time interval is a time interval in which the fourth network node and the network device transmit data.

Optionally, in some embodiments, the communication module is further configured to: sending the second data to a fourth network node;

the network device further includes:

a control module, configured to control a transmission time difference between the first data and the second data, and that the first time interval and the second time interval satisfy a specific condition, so that transmission time windows of the first network node and a fourth network node do not overlap.

Optionally, in some embodiments, the specific condition is that a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, where times for the network device to transmit data to the fourth network node and to the first network node are the same.

Optionally, in some embodiments, the specific condition is that a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, where the first time difference is a time difference between the network device transmitting data to the fourth network node and the first network node.

Optionally, in some embodiments, 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, and the target network node is an access network node that provides a service for a destination terminal of the first data.

Fig. 9 is a schematic block diagram of a network device according to an embodiment of the present application. The network device 80 of fig. 9 includes:

a communication module 81, configured to send first configuration information to a first network node, where the first configuration information is used to determine a target time for sending first data to a target network node when the first network node receives the first data sent by a second network node.

Optionally, in some embodiments, the communication module is further configured to: and sending second configuration information to a fourth network node, wherein the second configuration information is used for determining target time for sending second data to the target network node when the fourth network node receives the second data sent by the second network node.

Optionally, in some embodiments, the communication module is further configured to:

and sending third configuration information to the first network node, wherein the third configuration information is used for configuring the target connection corresponding to the first data.

Optionally, in some embodiments, 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, and the target network node is an access network node that provides a service for a destination terminal of the first data.

Fig. 10 is a schematic structural diagram of a communication device 600 according to 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 a memory to implement the method in the embodiment of the present application.

Optionally, as shown in fig. 10, the communication device 600 may further include a memory 620. From the memory 620, the processor 610 may call and run a computer program to implement the method in the embodiment of the present application.

The memory 620 may be a separate device from the processor 610, or may be integrated into the processor 610.

Optionally, as shown in fig. 10, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 630 may include a transmitter and a receiver, among others. The transceiver 630 may further include one or more antennas.

Optionally, the communication device 600 may specifically be a network device in the embodiment of the present application, and the communication device 600 may implement a corresponding process implemented by the network device in each method in the embodiment of the present application, which is not described herein again for brevity.

Fig. 11 is a schematic structural diagram of a chip of 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 a memory to implement the method in the embodiment of the present application.

Optionally, as shown in fig. 11, the chip 700 may further include a memory 720. From the memory 720, the processor 710 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 720 may be a separate device from the processor 710, or may be integrated into the processor 710.

Optionally, the chip 700 may further include an input interface 730. The processor 710 may control the input interface 730 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.

Optionally, the chip 700 may further include an output interface 740. The processor 710 may control the output interface 740 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.

Optionally, the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method in the embodiment of the present application, and for brevity, details are not described here again.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.

Fig. 12 is a schematic block diagram of a communication system 900 provided in an embodiment of the present application. As shown in fig. 12, 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 configured to implement a corresponding function implemented by a first network node in the foregoing method, the second network device 920 may be configured to implement a corresponding function implemented by a second network node in the foregoing method, and the third network device 930 may be configured to implement a corresponding function implemented by a third network node in the foregoing method, which is not described herein again for brevity.

It should be understood that the processor of the embodiments of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A 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 connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), Synchronous Link DRAM (SLDRAM), Direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

The embodiment of the application also provides a computer readable storage medium for storing the computer program.

Optionally, the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application, which is not described herein again for brevity.

Embodiments of the present application also provide a computer program product comprising computer program instructions.

Optionally, the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions enable the computer to execute corresponding processes implemented by the network device in the methods in the embodiment of the present application, which are not described herein again for brevity.

The embodiment of the application also provides a computer program.

Optionally, the computer program may be applied to the network device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute the corresponding process implemented by the network device in each method in the embodiment of the present application, and for brevity, details are not described here again.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments 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 functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A method of wireless communication, comprising:

a first network node receives first data sent by a second network node;

and the first network node determines the target time for sending the first data to the target network node according to the reference time information.
The method of claim 1, wherein the reference time information comprises at least one of:

a first time point when the second network node sends the first data, a first time interval when the first network node and the second network node send data, link delay information between the first network node and the second network node, and a window length of a time window sent by the first network node.
The method of claim 2, wherein the first network node determining a target time for sending the first data to a target network node according to the reference time information comprises:

the first network node determines a second point in time or a second period of time after the first point in time as a target time to send the first data.
The method of claim 3, wherein the first time interval is the first time interval from the second time point or the start time of the second time period.
The method of claim 2, wherein the first network node determining a target time for sending the first data to a target network node according to the reference time information comprises:

and the first network node determines the target time for sending the first data according to the first time interval and the receiving time of the first data.
The method of claim 5, wherein the first network node determining a target time for sending the first data according to the first time interval and a time of receipt of the first data comprises:

the first network node determines a third time point or a third time period after the reception time of the first data as a target time to transmit the first data.
The method of claim 6, wherein the third time point and a time interval between a start time of the third time period and a receiving time of the first data are the first time interval.
The method of claim 2, wherein the first network node determining a target time for sending the first data to a target network node according to the reference time information comprises:

the first network node determines a first time point of the second network node for sending the first data according to the receiving time of the first data and the link delay information between the first network node and the second network node;

and determining the target time for the first network node to send the first data according to the first time point for the second network node to send the first data.
The method of claim 8, wherein the determining a target time for the first network node to transmit the first data according to a first time point for the second network node to transmit the first data comprises:

the first network node determines a second point in time or a second period of time after the first point in time as a target time to send the first data.
The method of claim 9, wherein the first time interval is the first time interval from the second time point or the start time of the second time period.
The method according to any one of claims 2 to 10, wherein the reference time information is carried in the first data; or

The first point in time is carried in the first data, other ones of the reference time information being preconfigured.
The method according to claim 11, wherein the reference time information is configured by a third network node to the first network node during connection establishment or modification of a terminal device and a network device.
The method according to claim 12, wherein the third network node further configures a fourth network node with a second time interval, wherein 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 are not overlapped, and wherein the second time interval is a time interval when the fourth network node and the second network node transmit data.
The method of claim 13, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, wherein the second network node transmits data to the fourth network node at the same time as the first network node.
The method of claim 13, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, wherein the first time difference is a time difference between the second network node transmitting data to the fourth network node and the first network node.
The method according to any of claims 13 to 15, wherein the third network node further configures the first network node with a target connection to which the first data corresponds.
The method of claim 16, wherein the target connection corresponding to the first data is at least one of:

a specific protocol data unit PDU connects a session, a specific quality of service QoS flow, a specific traffic flow.
The method according to claim 16 or 17, wherein the configuration information is used to configure a specific attribute, and the PDU connection session, the quality of service QoS flow or the traffic flow with the specific attribute is the specific PDU connection session, the QoS flow or the specific traffic flow.
Method according to any of the claims 13 to 18, wherein the third network node is a session management function, SMF, entity and the fourth network node is a UPF entity.
The method according to any one of claims 1 to 19, further comprising:

the first network node determines a sending sequence for sending the multiple data to be sent to multiple target network nodes according to serial numbers of the multiple data to be sent, wherein the multiple target network nodes share the first network node.
The method according to any of claims 1 to 20, wherein 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, and the target network node is an access network node serving a destination terminal for the first data.
A method of wireless communication, comprising:

the second network node sends first data to the first network node, wherein the first time comprises reference time information, and the reference time information is used for the first network node to determine target time for sending the first data to a target network node.
The method of claim 22, wherein the reference time information comprises at least one of:

a first time point when the second network node sends the first data, a first time interval when the first network node and the second network node send data, link delay information between the first network node and the second network node, and a window length of a time window sent by the first network node.
The method of claim 23, wherein the window length of the first time interval and the first network node's transmit time window and the link delay information are pre-configured.
The method according to claim 24, wherein the first time interval and the window length of the transmission time window of the first network node and the link delay information are configured to the first network node by a third network node during a connection setup or modification of a terminal device and a network device.
The method of claim 24, wherein the third network node further configures a fourth network node with a second time interval, and wherein the first time interval and the second time interval are used to control the transmission time windows of the first network node and the fourth network node to be non-overlapping, and wherein the second time interval is a time interval during which the fourth network node and the second network node transmit data.
The method of claim 26, further comprising:

the second network node sending second data to a fourth network node;

the second network node controls a difference in transmission time of the first data and the second data, and the first time interval and the second time interval satisfy a certain condition such that transmission time windows of the first network node and a fourth network node do not overlap.
The method according to claim 27, wherein 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, and wherein the time for transmitting data to the fourth network node and to the first network node by the second network node is the same.
The method according to claim 27, wherein 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 a first time difference, wherein the first time difference is the time difference between the second network node transmitting data to the fourth network node and the first network node.
Method according to any of the claims 25 to 29, wherein said third network node is a session management function, SMF, entity and said fourth network node is a UPF entity.
The method according to any of the claims 22 to 30, wherein the first network node is a user plane function, UPF, entity, wherein the second network node is an external network serving node or an anchor UPF entity, and wherein the target network node is an access network node serving a destination terminal for the first data.
A method of wireless communication, comprising:

the third network node sends first configuration information to the first network node, wherein the first configuration information is used for determining target time for sending first data to a target network node when the first network node receives the first data sent by the second network node.
The method of claim 32, wherein the first configuration information comprises at least one of:

a first time interval during which the first network node and the second network node transmit data, a window length of a transmission time window of the first network node.
The method of claim 33, further comprising:

and the third network node sends second configuration information to a fourth network node, and the second configuration information is used for determining target time for sending second data to a target network node when the fourth network node receives the second data sent by the second network node.
The method of claim 34, wherein the second configuration information comprises at least one of:

a second time interval during which the fourth network node and the second network node transmit data, a window length of a transmission time window of the fourth network node.
The method according to claim 35, wherein the first and second time intervals are used to control that the transmission time windows of the first and fourth network nodes do not overlap.
The method of claim 36, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, and wherein the second network node transmits data to the fourth network node at the same time as the first network node.
The method of claim 36, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, wherein the first time difference is a time difference between the second network node transmitting data to the fourth network node and the first network node.
The method of any one of claims 32 to 38, further comprising:

and the third network node sends third configuration information to the first network node, wherein the third configuration information is used for configuring the target connection corresponding to the first data.
The method of claim 39, wherein the target connection corresponding to the first data is at least one of:

a specific PDU connecting a session, a specific quality of service QoS flow, a specific traffic flow.
The method according to claim 39 or 40, wherein said third configuration information is used to configure a specific attribute, and said specific PDU connection session, said specific QoS flow or said specific traffic flow is a specific PDU connection session, a specific QoS flow or a specific traffic flow having said specific attribute.
The method according to any of claims 32 to 41, wherein the third network node is a Session management function, SMF, entity, wherein the first network node is a user plane function, UPF, entity, wherein the second network node is an external network serving node or an anchor UPF entity, and wherein the target network node is an access network node serving a destination terminal for the first data.
A network device, comprising:

the communication module is used for receiving first data sent by a second network node;

a determining module, configured to determine, according to the reference time information, a target time for sending the first data to a target network node.
The network device of claim 43, wherein the reference time information comprises at least one of:

a first time point when the second network node sends the first data, a first time interval when the network device and the second network node send data, link delay information between the network device and the second network node, and a window length of a time window sent by the network device.
The network device of claim 44, wherein the determining module is specifically configured to: and determining a second time point or a second time period after the first time point as a target time for sending the first data.
The network device of claim 45, wherein a time interval between the first time point and the second time point or a start time of the second time period is the first time interval.
The network device of claim 44, wherein the determining module is specifically configured to: and determining the target time for sending the first data according to the first time interval and the receiving time of the first data.
The network device of claim 47, wherein the determining module is further configured to: determining a third time point or a third time period after the reception time of the first data as a target time to transmit the first data.
The network device of claim 48, wherein the third time point and a time interval between a start time of the third time period and a receiving time of the first data is the first time interval.
The network device of claim 44, wherein the determination module is further configured to: determining a first time point of sending the first data by the second network node according to the receiving time of the first data and the link delay information between the network equipment and the second network node;

and determining the target time for the network equipment to send the first data according to the first time point for the second network node to send the first data.
The network device of claim 50, wherein the determination module is further configured to: and determining a second time point or a second time period after the first time point as a target time for sending the first data.
The network device of claim 51, wherein a time interval between the first time point and the second time point or a start time of the second time period is the first time interval.
The network device of any one of claims 44 to 52, wherein the reference time information is carried in the first data; or

The first point in time is carried in the first data, other ones of the reference time information being preconfigured.
The network device of claim 53, wherein the reference time information is configured to the network device by a third network node during connection establishment or modification of the terminal device and the network device.
The network device of claim 54, wherein the third network node further configures a fourth network node with a second time interval, and wherein the first time interval and the second time interval are used to control the transmission time windows of the network device and the fourth network node to be non-overlapping, and wherein the second time interval is a time interval during which the fourth network node and the second network node transmit data.
The network device of claim 55, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the network device, wherein the second network node transmits data to the fourth network node at the same time as the network device.
The network device of claim 55, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the network device minus a first time difference, wherein the first time difference is a time difference between the second network node transmitting data to the fourth network node and the network device.
The network device according to any of claims 55 to 57, wherein the third network node further configures the network device with a target connection to which the first data corresponds.
The network device of claim 58, wherein the target connection for the first data is at least one of:

a specific protocol data unit PDU connects a session, a specific quality of service QoS flow, a specific traffic flow.
The network device of claim 58 or 59, wherein the configuration information is used to configure a specific attribute, and wherein the PDU connection session, quality of service (QoS) flow or traffic flow with the specific attribute is the specific PDU connection session, the QoS flow or the specific traffic flow.
Network device according to any of claims 55 to 60, wherein the third network node is a Session management function, SMF, entity and the fourth network node is a UPF entity.
The network device of any one of claims 43-61, wherein the determining module is further configured to:

determining a sending sequence for sending the data to be sent to a plurality of target network nodes according to serial numbers of the data to be sent, wherein the network equipment is shared by the target network nodes.
The network device according to any of claims 43 to 62, wherein the network device is a user plane function, UPF, entity, wherein the second network node is an external network serving node or an anchor UPF entity, and wherein the target network node is an access network node serving a destination terminal for the first data.
A network device, comprising:

a communication module, 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 for the first network node to determine a target time for sending the first data to a target network node.
The network device of claim 64, wherein the reference time information comprises at least one of:

a first time point when the network device sends the first data, a first time interval when the first network node and the network device send data, link delay information between the first network node and the network device, and a window length of a time window sent by the first network node.
The network device of claim 65, wherein the window length of the first time interval and the first network node's transmit time window and the link delay information are pre-configured.
The network device according to claim 66, wherein the first time interval and the window length of the transmission time window of the first network node and the link delay information are configured to the first network node by a third network node during a connection setup or modification procedure between a terminal device and a network device.
The network device according to claim 66 or 67, wherein the third network node further configures a fourth network node with a second time interval, wherein the first time interval and the second time interval are used for controlling the transmission time windows of the first network node and the fourth network node to be non-overlapping, and wherein the second time interval is a time interval during which the fourth network node and the network device transmit data.
The network device of claim 68, wherein the communication module is further configured to: sending the second data to a fourth network node;

the network device further includes:

a control module, configured to control a transmission time difference between the first data and the second data, and that the first time interval and the second time interval satisfy a specific condition, so that transmission time windows of the first network node and a fourth network node do not overlap.
The network device of claim 69, wherein the particular condition is that a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, and wherein the network device transmits data to the fourth network node at the same time as the first network node.
The network device of claim 69, wherein the particular condition is that a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, wherein the first time difference is a time difference between the network device transmitting data to the fourth network node and the first network node.
The network device according to any of claims 67 to 71, wherein the third network node is a Session management function, SMF, entity and the fourth network node is a UPF entity.
The network device according to any of claims 64 to 72, wherein 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, and the target network node is an access network node serving a destination terminal for the first data.
A network device, comprising:

the communication module is configured to send first configuration information to a first network node, where the first configuration information is used to determine a target time for sending first data to a target network node when the first network node receives the first data sent by a second network node.
The network device of claim 74, wherein the first configuration information comprises at least one of:

a first time interval during which the first network node and the second network node transmit data, a window length of a transmission time window of the first network node.
The network device of claim 75, wherein the communication module is further configured to: and sending second configuration information to a fourth network node, wherein the second configuration information is used for determining target time for sending second data to the target network node when the fourth network node receives the second data sent by the second network node.
The network device of claim 76, wherein the second configuration information comprises at least one of:

a second time interval during which the fourth network node and the second network node transmit data, a window length of a transmission time window of the fourth network node.
The network device of claim 77, wherein the first time interval and the second time interval are configured to control transmission time windows of the first network node and the fourth network node to be non-overlapping.
The network device of claim 78, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node, wherein the second network node transmits data to the fourth network node at the same time as the first network node.
The network device of claim 78, wherein a difference between the second time interval and the first time interval is greater than or equal to a window length of a transmission time window of the first network node minus a first time difference, wherein the first time difference is a time difference between the second network node transmitting data to the fourth network node and the first network node.
The network device of any one of claims 74-80, wherein the communication module is further configured to: and sending third configuration information to the first network node, wherein the third configuration information is used for configuring the target connection corresponding to the first data.
The network device of claim 81, wherein the target connection for the first data is at least one of:

a specific PDU connecting a session, a specific quality of service QoS flow, a specific traffic flow.
The network device of claim 81 or 82, wherein the third configuration information is used to configure a specific attribute, and wherein the specific PDU connection session, the specific quality of service (QoS) flow or the specific traffic flow is a specific PDU connection session, a specific quality of service (QoS) flow or a specific traffic flow having the specific attribute.
The network device according to any of claims 74 to 83, wherein the network device is a session management function, SMF, entity, wherein the first network node is a user plane function, UPF, entity, wherein the second network node is an external network serving node or an anchor UPF entity, and wherein the target network node is an access network node serving a destination terminal for the first data.
A network device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory, to perform the method of any of claims 1 to 21, or the method of any of claims 22 to 31, or the method of any of claims 32 to 42.
A chip, comprising: a processor for calling and running a computer program from a memory to cause a device on which the chip is installed to perform a method as claimed in any one of claims 1 to 21, or a method as claimed in any one of claims 22 to 31, or a method as claimed in any one of claims 32 to 42.
A computer-readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 21, or the method of any one of claims 22 to 31, or the method of any one of claims 32 to 42.
A computer program product comprising computer program instructions to cause a computer to perform the method of any one of claims 1 to 21, or the method of any one of claims 22 to 31, or the method of any one of claims 32 to 42.
A computer program, characterised in that the computer program causes a computer to perform the method of any one of claims 1 to 21, or the method of any one of claims 22 to 31, or the method of any one of claims 32 to 42.
A communication system comprising a network device according to any of claims 43 to 63, a network device according to any of claims 64 to 73, and a network device according to any of claims 74 to 84.