WO2020147091A1 - Procédé de communication sans fil et dispositif - Google Patents
Procédé de communication sans fil et dispositif Download PDFInfo
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- WO2020147091A1 WO2020147091A1 PCT/CN2019/072247 CN2019072247W WO2020147091A1 WO 2020147091 A1 WO2020147091 A1 WO 2020147091A1 CN 2019072247 W CN2019072247 W CN 2019072247W WO 2020147091 A1 WO2020147091 A1 WO 2020147091A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Definitions
- the embodiments of the present application relate to the field of communication, and more specifically, to methods and devices for wireless communication.
- NCIS business is mainly for Augmented Reality (AR)/Virtual Reality (VR) applications, etc.
- AR Augmented Reality
- VR Virtual Reality
- NCIS business has high service quality for speed, delay, packet loss rate, high-speed encoding and decoding, etc.
- the rate of 10Gbps must be reached, and the packet loss rate cannot exceed 10E-4.
- the session established for the NCIS service is an NCIS session, and UEs in the same NCIS session can be considered to form an NCIS group.
- the UE can establish a sidelink (also known as using the PC5 interface) locally, for example, using the device to device (D2D) technology.
- the UEs joining the NCIS session can also be far away from each other, for example, using the UE-network -Server-Peer Network-Peer UE (also known as using Uu interface); UEs can come from the same Public Land Mobile Network (PLMN) or different PLMNs.
- PLMN Public Land Mobile Network
- an NCIS There are 5 UEs in the group, of which 3 are UEs of PLMN 1, 2 are UEs of PLMN 2, and 3 UEs of PLMN 1 use sidelink to directly communicate with each other, and at the same time communicate with 2 UEs of PLMN 2 using the network.
- a wireless communication method and device can enable the data on the side link to achieve a specific purpose, so that the network can manage the data on the side link. For example, to realize data monitoring, billing, data volume statistics, and no need to send data to the external network or route within 5GS. In addition, by avoiding sending data to external networks, data security can be improved. And it can provide a foundation for specific purposes for the market application of NCIS business.
- a wireless communication method including:
- the first terminal determines the target data through special rules
- the first terminal sends the target data through a first interface corresponding to the uplink, and the target data includes data to be sent and/or has been sent through a second interface corresponding to the side link of the first terminal and / Or received data.
- a wireless communication method including:
- the second terminal receives the target data sent by the first terminal through the first interface corresponding to the uplink, where the target data includes the data to be sent by the first terminal and/or corresponds to the side link of the first terminal
- the second interface has sent and/or received data.
- a wireless communication method includes:
- the management device determines special rules, the special rules are used by the first terminal to determine target data, and the target data includes the data to be sent by the first terminal and/or the first terminal corresponding to the side link of the first terminal. 2. Data sent and/or received by the interface;
- the management device sends the special rule to the first terminal.
- a wireless communication method including:
- the communication device receives the target data sent by the first terminal through the first interface corresponding to the uplink, where the target data includes the data to be sent by the first terminal and/or the data corresponding to the side link of the first terminal Data sent and/or received by the second interface;
- the communication device determines that the target data is data for a specific purpose.
- a communication device which is used to execute any one of the foregoing first to fourth aspects or the method in each of its implementation manners.
- the communication device includes a functional module for executing the above-mentioned method for executing any one of the above-mentioned first aspect to the fourth aspect.
- a communication device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute any one of the first aspect to the fourth aspect or the method in each implementation manner thereof.
- a chip which is used to implement any one of the foregoing first to fourth aspects or the method in each of its implementation manners.
- the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the first to fourth aspects or its implementation Methods.
- a computer-readable storage medium for storing a computer program that enables a computer to execute the method in any one of the above-mentioned first to fourth aspects or in each implementation manner thereof.
- a computer program product including computer program instructions that cause a computer to execute any one of the first to fourth aspects above or the method in each implementation manner thereof.
- a computer program which when running on a computer, causes the computer to execute any one of the above-mentioned first to fourth aspects or the method in each implementation manner thereof.
- the target data can be sent through the first interface corresponding to the uplink, so that the network can manage the data on the side link. For example, to realize data monitoring, billing, data volume statistics, and no need to send data to the external network or route within 5GS.
- data security can be improved.
- it can provide a foundation for specific purposes for market applications of NCIS services.
- Figure 1 is an example of the application scenario of this application.
- Fig. 2 is an example of a 5G network architecture according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
- Fig. 4 is a schematic block diagram of a session format of an embodiment of the present application.
- Fig. 5 is a schematic block diagram of a terminal device according to an embodiment of the present application.
- Fig. 6 is another schematic block diagram of a terminal device according to an embodiment of the present application.
- FIG. 7 is another schematic block diagram of the terminal device of the embodiment of the present application.
- FIG. 8 is another schematic block diagram of the terminal device according to an embodiment of the present application.
- FIG. 9 is another schematic block diagram of the terminal device of the embodiment of the present application.
- Fig. 10 is a schematic block diagram of a management device according to an embodiment of the present application.
- FIG. 11 is a schematic block diagram of a communication device according to an embodiment of the present application.
- FIG. 12 is another schematic block diagram of a communication device according to an embodiment of the present application.
- FIG. 13 is a schematic block diagram of a chip of an embodiment of the present application.
- Fig. 1 is a schematic block diagram of a method for transmitting multicast services and a wireless communication system architecture 100 according to the present application.
- the system architecture 100 includes a terminal device 110, an access network device 120, a core network device 130, and a data network 160 (data network, DN), where the core network device 130 includes a management device 140 and a gateway Device 150.
- the terminal device 110 can be used to connect to the access network device 120 deployed by the operator through a wireless air interface, and then to the data network through the core network device 130;
- the access network device 120 is mainly used to implement wireless physical layer functions, resource scheduling, and wireless Functions such as resource management, wireless access control, and mobility management;
- the core network device 130 may include a management device 140 and a gateway device 150.
- the management device 140 is mainly used for device registration, security authentication, mobility management and location management of terminal devices, etc.
- the gateway device 150 is mainly used to establish a channel with the terminal device, and forward data packets between the terminal device and the external data network on the channel;
- the data network 160 can correspond to a variety of different service domains, such as the IP multimedia subsystem ( IP multimedia subsystem, IMS), Internet, Internet protocol television (IPTV), other operator business domains, etc., are mainly used to provide a variety of data service services for terminal devices, which can include, for example, servers (including provisioning groups).
- Network equipment such as servers for broadcasting services, routers, and gateways.
- the IP multicast group The management protocol has the IGMP protocol in IPv4, and the corresponding MLD protocol in IPv6.
- FIG. 1 is only an exemplary architecture diagram.
- the network architecture may also include other functional units or functional entities, which are not limited in the embodiment of the present application.
- the communication network shown in Figure 1 is a 5G network communication system.
- the aforementioned terminal equipment may be user equipment (UE).
- UE user equipment
- mobile phones and computers can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, smart phones, wireless local loop (WLL) stations, personal digital assistants (personal digital assistants) , PDA), computers, laptop computers, handheld communication equipment, handheld computing equipment, satellite wireless equipment, wireless modem cards, TV set top boxes (STB), customer premise equipment (customer premise equipment, CPE) and / Or other equipment used to communicate on the wireless system.
- SIP session initiation protocol
- WLL wireless local loop
- PDA personal digital assistants
- computers laptop computers, handheld communication equipment, handheld computing equipment, satellite wireless equipment, wireless modem cards, TV set top boxes (STB), customer premise equipment (customer premise equipment, CPE) and / Or other equipment used to communicate on the wireless system.
- STB TV set top boxes
- CPE customer premise equipment
- CPE customer premise equipment
- the aforementioned access network equipment may be an access network (AN)/radio access network (RAN) equipment, and a network composed of multiple 5G-AN/5G-RAN nodes.
- the 5G-AN/ 5G-RAN nodes can be: access point (AP), next-generation base station (NR NodeB, gNB), central unit (CU) and distributed unit (DU) separated form gNB, Transmission receive point (TRP), transmission point (TP) or some other access node.
- the aforementioned core network equipment may include: access and mobility management function (AMF), session management function (session management function, SMF), policy control function (PCF), user plane function (user plane function) , UPF) and other functional units, these functional units can work independently, can also be combined to achieve certain control functions, such as: AMF, SMF and PCF can be combined together as a management device to complete the access authentication of terminal equipment , Security encryption, location registration and other access control and mobility management functions, as well as session management functions such as the establishment, release and modification of user plane transmission paths, as well as analysis of some slice-related data (such as congestion) and terminal equipment related functions
- AMF access and mobility management function
- SMF session management function
- PCF policy control function
- UPF user plane function
- UPF mainly completes the routing and forwarding of user plane data, such as: responsible for data message filtering, data transmission/forwarding, rate control, and charging information generation for terminal devices.
- FIG. 2 is a schematic diagram of a 5G network architecture provided by an embodiment of the application.
- each functional unit can establish a connection through a next generation network (NG) interface to achieve communication, such as:
- the terminal equipment establishes an air interface connection with the RAN equipment through the new radio (NR) interface to transmit user plane data and control plane signaling; the terminal equipment can establish a control plane signaling connection with AMF through NG interface 1 (abbreviated as N1) ;
- AN/RAN equipment such as the next generation radio access base station (NR NodeB, gNB), can establish a user plane data connection with UPF through NG interface 3 (abbreviated as N3);
- AN/RAN equipment can communicate with UPF through NG interface 2 (abbreviated as N2)
- AMF establishes a control plane signaling connection;
- UPF can establish a control plane signaling connection with SMF through NG interface 4 (abbreviated as N4);
- UPF can exchange user plane data with a data network through NG
- Figure 2 is only an exemplary architecture diagram.
- the network architecture may also include other functional units or functional entities.
- the core network equipment may also include a unified data management function ( Unified data management, UDM) and other functional units, which are not limited in the embodiment of the present application.
- UDM Unified data management
- FIG. 3 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
- the network elements involved in the method 200 include terminal equipment, access network equipment, management equipment, and communication equipment.
- the management device may include at least one of AMF, SMF, UPF, NCIS, and service server.
- the communication device may include at least one of AMF, SMF, UPF, NCIS, a service server, and a third-party entity.
- the method 200 may include:
- the first terminal determines the target data according to special rules.
- the first terminal sends the target data through the first interface corresponding to the uplink.
- the target data includes data to be sent by the first terminal and/or data that has been sent and/or received through a second interface corresponding to the side link of the first terminal.
- the data to be sent includes data to be sent on the first interface and/or data to be sent on the second interface.
- the sent data includes data that has been sent and correctly sent and/or data that has been sent and has not been sent correctly.
- the first data includes or does not include retransmission data.
- the second interface is a PC5 interface
- the first interface is a Uu interface.
- the target data may be sent through the first interface corresponding to the uplink, so that the network can manage the data on the side link. For example, to realize data monitoring, billing, data volume statistics, and no need to send data to the external network or route within 5GS. In addition, by avoiding sending the target data to an external network, data security can be improved. And it can provide a foundation for specific purposes for the market application of NCIS business.
- the first terminal determines data corresponding to a specific identifier as the target data.
- the specific identification includes at least one of the following identifications: source network protocol IP identification, target IP identification, source port identification, target port identification, quality of service QoS flow identification, session identification, bearer identification, application identification and service identification.
- the service identification may be a PSID identification.
- the first device sends a specific service to the network side.
- the specific service may be a service including a quintuple identifier of a specific IP header. For example, a specific source and/or destination IP address is identified, or by a specific port number.
- the specific service can also be determined through a specific QoS flow, a specific session, and a specific bearer.
- the specific service can also be determined through a specific service identifier. For example, application identification, etc.
- the first terminal determines the target data in a specific time period or a specific data amount period.
- the target data includes data in a specific time segment in each period, and/or, the target data includes a specific amount of data in each period, and/or, the target data includes each Data of a specific number of bits in a period, and/or, the target data includes data of a specific ratio in each period.
- the first terminal sends data to the network side according to a specific time or amount.
- the first terminal may report network data at a specific time in the period T, and/or the first terminal may report data of a specific amount of data in the period T, For example, a specific number of data packets or a specific number of bits (M) or a specific ratio (R), where the specific ratio (R) may be the proportion of data reported to the network in the total transmission data or the proportion of the PC transmission data.
- the first terminal reports a specific amount of data (M) in the period T
- its sending time in the period T can be determined by the terminal or can be configured by the network device.
- the data amount of M is reported in each data amount period, where M is not less than 1, and M is not greater than N.
- the data of the data volume M belongs to the data of the data volume N.
- the first terminal may report data of a specific data amount in the data amount period N. For example, a specific number of data packets or a specific number of bits (M) or a specific ratio (R), where the specific ratio (R) may be the proportion of data reported to the network in the total transmission data or the proportion of the PC transmission data.
- the first terminal reports a specific amount of data (M) in the period T its sending time in the period T may be determined by the terminal or may be configured by a network device.
- the N pieces of data after the M pieces of data are determined as the target data, and the M is greater than or Equal to 1, the ratio of the M to the N is a specific value.
- the special rule is used to specify that for every M data transmitted on the PC5 interface, the first terminal needs to report N data to the network, where M and N are not less than 1. Further, the special rules may stipulate the ratio of M and N
- the first terminal determines data that has been sent and/or received through the second interface as the target data.
- the method 200 may further include:
- the first terminal receives the special rule sent by the management device.
- the management device includes at least one of a session management function SMF, an access and mobility management function AMF, a policy control function PCF, a network control interactive service NCIS, and a business server. That is, the first terminal receives the special rule sent by at least one of the session management function SMF, the access and mobility management function AMF, and the policy control function PCF.
- the management device determines special rules for the first terminal to determine target data, and the target data includes data to be sent by the first terminal and/or through the side link of the first terminal The corresponding second interface has sent and/or received data; the management device sends the special rule to the first terminal.
- the special rule is specifically used by the first terminal to determine the data corresponding to a specific identifier as the target data; the specific identifier includes at least one of the following identifiers: source network protocol IP identifier, target IP Identification, source port identification, target port identification, quality of service QoS flow identification, session identification, bearer identification, application identification and service identification.
- the special rule is specifically used by the first terminal to determine the target data in a specific time period or a specific data volume period; wherein, the target data includes data in a specific time segment in each period Data, and/or, the target data includes a specific number of data in each period, and/or, the target data includes a specific number of bits in each period, and/or, the target data includes The specific proportion of data in each period.
- the special rule is specifically used for when the first terminal has received and/or sent M pieces of data through the second interface, determining N pieces of data after the M pieces of data as the target Data; wherein, the M is greater than or equal to 1, and the ratio of the M to the N is a specific value.
- the special rule is specifically used by the first terminal to determine the data that has been sent and/or received through the second interface as the target data.
- the special rule may be configured by the network entity SMF responsible for session management to the first terminal when the first terminal applies for session establishment, and the network entity responsible for session management SMF slave network
- the entity PCF obtains a policy (policy) for a specific purpose, such as a policy for lawful interception, and the SMF generates the special rule according to the policy and a local policy for the specific purpose and sends it to the first terminal.
- policy policy
- the special rule may be configured by the NCIS to the first terminal when the first terminal is registered.
- the first terminal applies for registration of the NCIS service during the registration process.
- the network registration management entity NCIS obtains a policy for a specific purpose from the network entity PCF, such as a policy for lawful interception.
- NCIS uses the policy and local The strategy generates the special rule and sends it to the first terminal.
- the PCF may directly generate the special rule and send the special rule to the first terminal, specifically, it may be through a protocol message between the AMF and the first terminal , Such as a NAS message, sent to the first terminal. That is, the PCF sends the special rule to the first terminal through AMF.
- the method 200 may further include:
- the first terminal sends first indication information to the management device, where the first indication information is used to indicate that the target data includes data that has been received through the second interface and/or that has been received through the second interface.
- the management device generates and sends the first indication information to the first terminal.
- the management device includes at least one of a session management function SMF, an access and mobility management function AMF, a policy control function PCF, a network control interactive service NCIS, and a business server.
- the network entity may decide whether to implement the special rule as the sending entity or the receiving entity of the first terminal, and when configuring the special rule for the first terminal, it may indicate Whether the sending entity executes this rule or the receiving entity or both execute this rule.
- the network entity may determine the implementation entity according to the policy provided by the PCF and/or the subscription information of the terminal and/or the local policy and/or the policy provided by the third party. Further, the network entity may determine which terminal receiving entities implement this rule.
- the core network entity sends the generated rules to the NCIS function management entity or service server, and the NCIS function management entity or service server passes through the interface with the first terminal The protocol is sent to the first terminal.
- the special rule is information obtained by the first terminal according to subscription information
- the special rule is pre-configuration information.
- the method 200 may further include:
- the management device sends the target data to the communication device.
- the communication device receives the target data sent by the first terminal through the first interface corresponding to the uplink, and the target data includes the data to be sent by the first terminal and/or through the side link of the first terminal Corresponding data that has been sent and/or received by the second interface; the communication device determines that the target data is data for a specific purpose.
- the communication device is a third-party entity connected to a user plane function UPF or the communication device is a UPF.
- the communication device as a UPF as an example, it is assumed that the second interface is PC5 and the first interface is Uu.
- the first terminal sends the sent target data on the PC5 and at the same time sends it to the network-side entity UPF through the Uu interface.
- the UPF After receiving the target data of the first terminal, the UPF transmits the target data to a third-party entity. For example, a third-party monitoring entity. At this time, if the third-party entity and UPF are co-located, UPF does not forward this data.
- the target data is sent to the UPF for a specific purpose. For example, to realize data monitoring, billing, data volume statistics, and no need to send data to the external network or route within 5GS. In addition, by avoiding sending the target data to an external network, data security can be improved. And it can provide a foundation for specific purposes for the market application of NCIS business. Therefore, the first terminal needs to indicate the specific purpose of the target data to the UPF, or the first terminal indicates that the target data is data for a specific purpose. For example, the communication device needs to receive a piece of indication information, such as second indication information, where the second indication information is used to indicate that the target data is data for a specific purpose.
- a piece of indication information such as second indication information
- the first indication information may be sent through an air interface PDU.
- the first terminal may carry the second indication information in the layer 2 protocol layer in the data packet of the target data with a specific purpose.
- the packet data convergence protocol PDCP PDU and/or the media access control MAC control unit CE of the target data includes the second indication information, and/or the second indication information passes through the specific information corresponding to the target data.
- the logical channel identifier LCID indicates that the target data is data for a specific purpose.
- the N3 interface protocol data unit PDU of the target data includes the second indication information, and/or the reserved index in the PDU session format of the N3 interface PDU of the target data is used to indicate the target Data is data used for a specific purpose.
- the second indication information may be sent through N3PDU.
- adding an indication bit in the N3PDU or carrying the second indication information in other bits For example, adding an indication bit in the N3PDU or carrying the second indication information in other bits.
- N3PDU may include Reflective QoS Indication (RQI), QoS flow identifier, session type, remaining bits, and padding bits.
- RQI Reflective QoS Indication
- the reserved bit byte 1 of N3PDU can be used.
- the specific bit indication in the PDU such as bit 3; the specific bit indication in the padding bit may also be used; the reserved bit (ie the remaining bits) may also be used to carry the second indication information; it may also indicate a new PDU session ( Session format, for example, the new PDU session format may mean that the third or subsequent bytes contain the second indication information; the reserved bits of the PDU type (Type) may also be used to carry the second indication information.
- the indication information or indication indicates a new PDU Session format; further, if the indication indicates a new PDU Session format, the N3 interface protocol data unit PDU of the target data may also include the third indication information, the third indication information It is used to indicate whether the PDU session format of the target data includes the second indication information.
- the second indication information indicates that the target data is data for a specific purpose through at least one of the following of the target data: a specific session identifier, a specific quality of service (QoS) flow Identification and a specific network protocol IP address; the specific IP address includes a specific source IP address and/or a specific target IP address.
- QoS quality of service
- the network configures a specific session identifier (Session ID) or a specific QoS flow identifier for data for a specific purpose, when the UPF detects the specific data sent by the first terminal
- Session ID Session ID
- QoS flow identifier for data for a specific purpose
- the network configures a specific IP address for a session used for a specific purpose, and the first terminal uses the specific IP address to indicate data used for a specific purpose.
- the UPF detects the data of the specific IP address sent by the first terminal, it is considered to be data for a specific purpose.
- the specific IP address is unique within a session and can be the same for different sessions or different terminals.
- the protocol data unit PDU between the protocol layer between the first terminal and the UPF includes a specific field, and the specific field includes the second indication information. That is, a specific indication field is added to the protocol layer PDU between the first terminal and the UPF. For example, insert a specific indication field in the IP header.
- the communication device is any one of a network control interactive service NCIS, a service server, and a third-party entity.
- the network sends the target data to the service server or the NCIS functional entity
- the service server or the NCIS functional entity sends the data To third-party entities.
- a third-party monitoring entity For example, a third-party monitoring entity.
- NCIS does not forward this data.
- the target data is sent to the NCIS for a specific purpose. For example, to realize data monitoring, billing, data volume statistics, and no need to send data to the external network or route within 5GS. In addition, by avoiding sending the target data to an external network, data security can be improved. And it can provide a foundation for specific purposes for the market application of NCIS business. Therefore, the first terminal needs to indicate to the NCIS the specific purpose of the target data, or the first terminal indicates that the target data is data for a specific purpose. For example, the communication device needs to receive one piece of indication information, such as fourth indication information, where the fourth indication information is used to indicate that the target data is data for a specific purpose.
- the fourth indication information is used to indicate that the target data is data for a specific purpose.
- the first terminal carries the fourth indication information in the data sent to the service server or the NCIS functional entity to notify the service server or the NCIS functional entity that the target data is data for a specific purpose, for example, for network monitoring.
- the service server or the NCIS functional entity determines, according to the fourth indication information, that the target data is data for a specific purpose.
- the target data includes the fourth indication information, and/or the fourth indication information indicates that the target data is data for a specific purpose through a specific channel
- the specific channel includes an application server and The channel of any one of the following: NCIS, service server, and third-party entity; the specific channel includes a specific network protocol IP channel and/or a specific communication packet wireless service user plane tunneling protocol GTP-U.
- the wireless communication method of the first terminal will be described in detail below in conjunction with the second terminal.
- the first terminal is provided with a reordering function between the application layer and the network protocol IP layer; therefore, the first terminal only sends the target to the second terminal through the first interface.
- the second terminal is provided with a reordering function between the application layer and the network protocol IP layer; the second terminal only reorders and receives the target data sent by the first terminal through the first interface.
- the implementation mode of this embodiment is adapted to the routing mode of the core network sending data to the application server during Uu interface data transmission. As shown in Figure 5. Specific implementation manners may add a new layer between the sending terminal and the receiving terminal to process the sorting function.
- the sending terminal needs to send data to the network side for a specific purpose, the sending terminal stops sending data on the PC5 interface. Specifically, the sending terminal encapsulates the data into a Uu interface. When there is no need to send data for a specific purpose, the sending terminal sends the data on PC5. When the receiving terminal receives data, the data from the Uu interface and the PC5 interface may arrive out of order.
- the MPTCP layer of the receiving terminal performs the reordering function to ensure that the data is delivered to the application layer in order.
- the sending terminal may be any one of the first terminal and the second terminal shown in FIG. 5.
- the above-mentioned any terminal may include an application layer, an MPTCP layer, an IP layer, and a 5G access network (Access Network, AN) protocol layer.
- the first terminal is provided with a duplication detection function between the application layer and the IP layer of the network protocol; thus, the first terminal repeats to the second terminal through the first interface and the second interface Detecting and sending the target data.
- the second terminal is provided with a duplicate detection function between the application layer and the network protocol IP layer; the second terminal repeatedly detects and receives all data sent by the first terminal through the first interface and the second interface. The target data.
- the second interface is PC5 and the first interface is Uu.
- the duplicate detection function is added between the sending terminal and the receiving terminal, and the data of the Uu interface is sent to the application server.
- the sending end terminal needs to send data to the network side, the sending end terminal sends data on both the Uu interface and the PC5 interface, and the sending terminal and the receiving terminal join the data duplication detection mechanism.
- This embodiment is suitable for data sent to the Uu interface to be forwarded to the application server through the core network.
- the duplicate detection mechanism is located above the IP layer. When the sending end terminal sends data, it adds information for repeated data detection at the repeated detection layer, such as a data sequence number.
- Data with the same data sequence number is encapsulated at the IP layer to be sent on the Uu interface and the PC5 interface. Repetitive detection of the receiving terminal After receiving the data from the bottom layer, it extracts the data sequence number in it, discards the data with repeated sequence numbers, and delivers the data to the top layer. It should be understood that the sending terminal may be any one of the first terminal and the second terminal shown in FIG. 6.
- the first terminal is provided with a reordering function and a duplicate detection function between the PDCP layer of the packet data convergence protocol and the IP layer of the network protocol; thus, the first terminal communicates with the first terminal through the first interface.
- the second interface sends the target data to the second terminal for reordering and repeated detection.
- the second terminal is provided with a reordering function and a duplicate detection function between the PDCP layer of the packet data convergence protocol and the IP layer of the network protocol; the second terminal reorders and reorders through the first interface and the second interface. Repeatedly detecting and receiving the target data sent by the first terminal.
- the second interface is PC5 and the first interface is Uu.
- the duplicate detection function is added between the sending terminal and the receiving terminal, and the data of the Uu interface is not sent to the application server.
- This implementation manner is suitable for the data sent to the Uu interface is not sent to the application server, and the data is sent to the receiving terminal on the internal path of the 3GPP network.
- one implementation is to add a new layer between the PDCP and IP layers to implement the functions of reordering and duplicate detection.
- the specific implementation is to add a sequence number to the same IP packet in this new layer, and reorder and re-check the SN number of the data received from the PC5 interface and the Uu interface at the receiving terminal peer layer, and submit the data to the higher layer .
- the size of the sequence number of the foregoing processes does not mean the order of execution.
- the execution order of each process should be determined by its function and internal logic, and should not be implemented in this application.
- the implementation process of the example constitutes any limitation.
- FIG. 8 is a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
- the terminal device 300 may include:
- the determining unit 310 is configured to determine target data through special rules
- the communication unit 320 is configured to send the target data through the first interface corresponding to the uplink, where the target data includes data to be sent and/or has been sent through the second interface corresponding to the side link of the first terminal And/or received data.
- the determining unit 310 is specifically configured to:
- the specific identification includes at least one of the following identifications:
- Source network protocol IP identification target IP identification, source port identification, target port identification, quality of service QoS flow identification, session identification, bearer identification, application identification and service identification.
- the determining unit 310 is specifically configured to:
- the target data includes data in a specific time segment in each period, and/or, the target data includes a specific amount of data in each period, and/or, the target data includes each Data of a specific number of bits in a period, and/or, the target data includes data of a specific ratio in each period.
- the determining unit 310 is specifically configured to:
- N data after the M data are determined as the target data, the M is greater than or equal to 1, the M and the The ratio of N is a specific value.
- the determining unit 310 is specifically configured to:
- the data that has been sent and/or received through the second interface is determined as the target data.
- the communication unit 320 is further configured to:
- the special rule sent by at least one of the session management function SMF, the access and mobility management function AMF, and the policy control function PCF is received.
- the communication unit 320 is further configured to:
- the target data includes data that has been received through the second interface and/or data that has been sent through the second interface.
- the special rule is information obtained by the first terminal according to subscription information, or the special rule is pre-configured information.
- the communication unit 320 is specifically configured to:
- the packet data convergence protocol PDCP PDU of the target data and/or the media access control MAC control unit CE includes the second indication information, and/or the second indication information corresponds to the target data
- the specific logical channel identifier LCID indicates that the target data is data for a specific purpose.
- the N3 interface protocol data unit PDU of the target data includes the second indication information, and/or the reserved index in the PDU session format of the N3 interface PDU of the target data is used to indicate the target Data is data used for a specific purpose.
- the N3 interface protocol data unit PDU of the target data includes the third indication information
- the third indication information is used to indicate whether the PDU session format of the target data includes the second indication information.
- the second indication information indicates that the target data is data for a specific purpose through at least one of the following of the target data:
- Specific session identifier specific quality of service QoS flow identifier, and specific network protocol IP address
- the specific IP address includes a specific source IP address and/or a specific target IP address.
- the protocol data unit PDU between the protocol layer between the first terminal and the UPF includes a specific field, and the specific field includes the second indication information.
- the communication unit 320 is specifically configured to:
- the target data includes the fourth indication information, and/or the fourth indication information indicates that the target data is data for a specific purpose through a specific channel, and the specific channel includes an application server and Channels for any of the following:
- NCIS business servers and third-party entities
- the specific channel includes a specific network protocol IP channel and/or a specific communication packet wireless service user plane tunneling protocol GTP-U.
- the first terminal is provided with a reordering function between the application layer and the network protocol IP layer;
- the communication unit 320 is specifically configured to:
- the first terminal is provided with a duplicate detection function between the application layer and the network protocol IP layer;
- the communication unit 320 is specifically configured to:
- the first terminal is provided with a reordering function and a duplication detection function between the PDCP layer of the packet data convergence protocol and the IP layer of the network protocol;
- the communication unit 320 is specifically configured to:
- the target data is reordered and repeatedly detected and sent to the second terminal through the first interface and the second interface.
- the second interface is a PC5 interface
- the first interface is a Uu interface
- FIG. 9 is another schematic block diagram of a terminal device 400 according to an embodiment of the present application.
- the terminal device 400 may include:
- the communication unit 320 is configured to receive target data sent by the first terminal through the first interface corresponding to the uplink, where the target data includes data to be sent by the first terminal and/or through the side line of the first terminal Data that has been sent and/or received by the second interface corresponding to the link.
- the second terminal is provided with a reordering function between the application layer and the network protocol IP layer;
- the communication unit 320 is specifically configured to:
- the second terminal is provided with a duplicate detection function between the application layer and the network protocol IP layer;
- the communication unit 320 is specifically configured to:
- the second terminal is provided with a reordering function and a duplicate detection function between the PDCP layer of the packet data convergence protocol and the IP layer of the network protocol;
- the communication unit 320 is specifically configured to:
- FIG. 10 is a schematic block diagram of a management device 500 according to an embodiment of the present application.
- the management device 500 may include:
- the determining unit 510 is configured to determine a special rule for the first terminal to determine target data, the target data including data to be sent by the first terminal and/or through the side chain of the first terminal Data sent and/or received by the second interface corresponding to the channel;
- the communication unit 520 is configured to send the special rule to the first terminal.
- the special rule is specifically used for the first terminal to determine the data corresponding to the specific identifier as the target data
- the specific identification includes at least one of the following identifications:
- Source network protocol IP identification target IP identification, source port identification, target port identification, quality of service QoS flow identification, session identification, bearer identification, application identification and service identification.
- the special rule is specifically used for the first terminal to determine the target data in a specific time period or a specific data volume period;
- the target data includes data in a specific time segment in each period, and/or, the target data includes a specific amount of data in each period, and/or, the target data includes each Data of a specific number of bits in a period, and/or, the target data includes data of a specific ratio in each period.
- the special rule is specifically used for when the first terminal has received and/or sent M pieces of data through the second interface, determining N pieces of data after the M pieces of data as the target data;
- the M is greater than or equal to 1, and the ratio of the M to the N is a specific value.
- the special rule is specifically used by the first terminal to determine the data that has been sent and/or received through the second interface as the target data.
- the determining unit 510 is further configured to:
- the communication unit 520 also Used for:
- the management device includes at least one of a session management function SMF, an access and mobility management function AMF, a policy control function PCF, a network control interactive service NCIS, and a business server.
- FIG. 11 is a schematic block diagram of a communication device 600 according to an embodiment of the present application.
- the communication device 600 may include:
- the communication unit 610 is configured to receive target data sent by a first terminal through a first interface corresponding to the uplink, where the target data includes data to be sent by the first terminal and/or through the side line of the first terminal Data sent and/or received by the second interface corresponding to the link;
- the determining unit 620 is configured to determine that the target data is data for a specific purpose.
- the communication device is a third-party entity connected to a user plane function UPF or the communication device is a UPF;
- the communication unit 610 is also used for:
- the packet data convergence protocol PDCP PDU of the target data and/or the media access control MAC control unit CE includes the second indication information, and/or the second indication information corresponds to the target data
- the specific logical channel identifier LCID indicates that the target data is data for a specific purpose.
- the N3 interface protocol data unit PDU of the target data includes the second indication information, and/or the reserved index in the PDU session format of the N3 interface PDU of the target data is used to indicate the target Data is data used for a specific purpose.
- the N3 interface protocol data unit PDU of the target data includes the third indication information
- the third indication information is used to indicate whether the PDU session format of the target data includes the second indication information.
- the second indication information indicates that the target data is data for a specific purpose through at least one of the following of the target data:
- Specific session identifier specific quality of service QoS flow identifier, and specific network protocol IP address
- the specific IP address includes a specific source IP address and/or a specific target IP address.
- the protocol data unit PDU between the protocol layer between the first terminal and the UPF includes a specific field, and the specific field includes the second indication information.
- the communication device is any one of a network control interactive service NCIS, a business server, and a third-party entity;
- the communication unit 610 is also used for:
- Receiving fourth indication information where the fourth indication information is used to indicate that the target data is data for a specific purpose.
- the target data includes the fourth indication information, and/or the fourth indication information indicates that the target data is data for a specific purpose through a specific channel, and the specific channel includes an application server and Channels for any of the following:
- NCIS business servers and third-party entities
- the specific channel includes a specific network protocol IP channel and/or a specific communication packet wireless service user plane tunneling protocol GTP-U.
- the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment.
- the device shown in FIGS. 8-11 may correspond to the corresponding subject in the method of the embodiment of the present application, and the foregoing and other operations and/or functions of each unit in the communication device are used to implement the methods in the respective methods. For the sake of brevity, the corresponding process will not be repeated here.
- the communication device in the embodiment of the present application is described above from the perspective of functional modules in conjunction with FIGS. 8-11. It should be understood that the functional module can be implemented in the form of hardware, can also be implemented in the form of software instructions, and can also be implemented in a combination of hardware and software modules.
- the steps of the method embodiments in the embodiments of the present application can be completed by hardware integrated logic circuits in the processor and/or instructions in the form of software, and the steps of the methods disclosed in the embodiments of the present application can be directly embodied as hardware.
- the execution of the decoding processor is completed, or the execution is 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 field, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, and registers.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps in the foregoing method embodiment in combination with its hardware.
- the communication unit mentioned above may be implemented by a transceiver, and the determining unit may be implemented by a processor.
- FIG. 12 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. 12 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.
- the communication device 600 may further include a memory 620.
- the memory 620 may be used to store indication information, and may also be used to store codes and instructions executed by the processor 610.
- 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 be any one of the terminal device of the embodiment of the application, the access network device corresponding to the access type, AMF, SMF, and UPF, and the communication device 600 may implement the embodiment of the application
- the corresponding processes implemented by the corresponding execution limbs in each method can correspond to any one of the terminal device, the access network device corresponding to the access type, AMF, SMF, and UPF in the embodiment of the present application, and can correspond to the execution
- Corresponding subjects in the methods 200-500 according to the embodiments of the present application are not repeated here for brevity.
- the various components in the communication device 600 are connected by a bus system, where in addition to the data bus, the bus system also includes a power bus, a control bus, and a status signal bus.
- an embodiment of the present application also provides a chip, which may be an integrated circuit chip with signal processing capability, and can implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
- the chip can be applied to various communication devices, so that the communication device installed with the chip can execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
- Fig. 13 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in FIG. 13 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 used to store instruction information, and may also be used to store codes and instructions executed by the processor 710.
- 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.
- the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
- the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
- the 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. It should also be understood that the various components in the chip 700 are connected by a bus system, where in addition to the data bus, the bus system also includes a power bus, a control bus, and a status signal bus.
- the processor may include but is not limited to:
- DSP Digital Signal Processor
- ASIC application specific integrated circuit
- FPGA Field Programmable Gate Array
- the processor may be used to implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
- the steps of the method disclosed in combination with the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or erasable programmable memory, registers.
- 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 storage includes but is not limited to:
- Non-volatile memory can be Read-Only Memory (ROM), Programmable Read-Only Memory (Programmable ROM, PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), and Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM Programmable Read-Only Memory
- Erasable PROM Erasable Programmable Read-Only Memory
- EPROM Erasable Programmable Read-Only Memory
- Erase programmable read-only memory Electrically EPROM, EEPROM
- flash memory a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM Random Access Memory
- RAM random access memory
- SRAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- DDR SDRAM double data rate synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
- SLDRAM synchronous link dynamic random access memory
- DR RAM Direct Rambus RAM
- memories of the systems and methods described herein are intended to include, but are not limited to these and any other suitable types of memories.
- the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium stores one or more programs, and the one or more programs include instructions that, when executed by a portable electronic device that includes multiple application programs, can cause the portable electronic device to execute the embodiment shown in the method Methods.
- 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.
- 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.
- the computer-readable storage medium may be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
- the embodiment of the present application also provides a computer program product, including a computer program.
- the computer program product can be applied to the network device in the embodiment 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 embodiment of the present application.
- the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program product can be applied to the mobile terminal/terminal device in the embodiment of this application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of this application, for It's concise, so I won't repeat it here.
- the embodiment of the application also provides a computer program.
- the computer program When the computer program is executed by the computer, the computer can execute the method of the illustrated embodiment of the method.
- the computer program can be applied to the network device in the embodiment 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 embodiment of the present application also provides a communication system.
- the communication system may include a terminal device 810 as shown in FIG. 8 and a network device 820 as shown in FIG. 8.
- the terminal device 810 may be used to implement the corresponding functions implemented by the terminal device in the above methods xx to xx
- the network device 820 may be used to implement the corresponding functions implemented by the network device in the above methods xx to xx, For the sake of brevity, I will not repeat them here.
- system in this article can also be referred to as “network management architecture” or “network system”.
- the technical solutions of the embodiments of the present application can be embodied in the form of software products in essence or parts that contribute to the prior art or parts of the technical solutions, and the computer software products are stored in a storage medium , Including several instructions to make a computer device (which can be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in the embodiments of the present application.
- the foregoing storage media include various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
- the aforementioned units/modules/components described as separate/display components may or may not be physically separated, that is, they may be located in one place, or may also be distributed to multiple network units. Some or all of the units/modules/components may be selected according to actual needs to achieve the objectives of the embodiments of the present application.
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Abstract
L'invention concerne un procédé de communication sans fil et un dispositif. Le procédé comprend les étapes suivantes : un premier terminal détermine des données cibles au moyen d'une règle spéciale ; et le premier terminal envoie les données cibles au moyen d'une première interface correspondant à une liaison montante, les données cibles comprenant des données à envoyer et/ou des données envoyées et/ou reçues au moyen d'une seconde interface correspondant à une liaison latérale du premier terminal. Dans des modes de réalisation de la présente invention, après la détermination de données cibles au moyen d'une règle spéciale, un premier terminal peut envoyer les données cibles au moyen d'une première interface correspondant à une liaison montante, afin qu'un réseau réalise une gestion de données sur une liaison latérale. Par exemple, une surveillance de données, une charge et un comptage de volume de données sont obtenus et il n'est pas nécessaire d'envoyer des données à un réseau externe ou des données d'itinéraire à l'intérieur de 5 GS. De plus, l'envoi des données cibles au réseau externe peut être évité, ce qui permet d'améliorer la sécurité des données. De plus, une fondation pour une utilisation spéciale peut être fournie pour l'application de marché du NCIS.
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