WO2022028041A1 - 用户终端与网络进行通信的方法、终端、网络设备及装置 - Google Patents

用户终端与网络进行通信的方法、终端、网络设备及装置 Download PDF

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Publication number
WO2022028041A1
WO2022028041A1 PCT/CN2021/094696 CN2021094696W WO2022028041A1 WO 2022028041 A1 WO2022028041 A1 WO 2022028041A1 CN 2021094696 W CN2021094696 W CN 2021094696W WO 2022028041 A1 WO2022028041 A1 WO 2022028041A1
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Prior art keywords
pdb
relay
sent
interface
remote
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PCT/CN2021/094696
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English (en)
French (fr)
Inventor
邓强
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大唐移动通信设备有限公司
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Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Priority to US18/013,247 priority Critical patent/US20230262793A1/en
Priority to EP21854301.5A priority patent/EP4195718A4/en
Publication of WO2022028041A1 publication Critical patent/WO2022028041A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, a terminal, a network device and an apparatus for communicating between a user terminal and a network.
  • ProSe Proximity Services
  • 5G core network only determines the QoS (Quality of Service) of the Relay UE according to the service characteristics. ), and how to manage the QoS of the Relay UE to provide end-to-end (Remote UE and Remote UE UPF) QoS for the Remote UE, so that the Remote UE can achieve the purpose of communicating with the network, which is still in the 5G system standard. Unresolved issues.
  • the present invention provides a method, terminal, network equipment and device for communicating between a user terminal and a network, which are used to determine the communication delay between the remote UE and the relay UE through the relay UE, and to determine the relay UE and the network equipment. Therefore, the relay UE can provide the remote UE with end-to-end quality of service more accurately, so that the remote UE can achieve the purpose of communicating with the network.
  • a method for communicating between a user terminal and a network includes:
  • the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • the relay UE sends the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • the relay UE communicates with the core network according to the Uu PDB sent by the session management function SMF.
  • the communication delay of the PC5 interface and the communication delay of the Uu interface are determined by the relay UE, rather than determined by the network device according to the service requirements, so that the network can provide the relay UE with More accurate service quality also enables the relay UE to provide more accurate service quality for remote users.
  • the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface, including:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface; or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF; or,
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the relay UE can determine the communication delay of the PC5 interface and the communication delay of the Uu interface through different technical means.
  • Communication delay if the communication delay is determined according to the resource configuration information, the communication delay of the PC5 interface and the Uu interface can be accurately allocated according to the size of the resources configured by the PC5 interface and the Uu interface; if the communication delay is determined according to the policy information Compared with service requirements, the policy information in this embodiment considers factors including but not limited to service requirements, interface configuration resources, subscription information, and operator policies, so the communication delay of the interface can still be accurately determined;
  • the communication delay of the PC5 interface is determined according to the Uu PDB sent by the SMF. Since the Uu PDB sent by the SMF is accurate, the PC5 PDB determined based on the Uu PDB is also accurate.
  • the method also includes:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the relay UE in this embodiment determines the Uu PDB, it may not directly use the Uu PDB to communicate with the core network, but sends the Uu PDB to the SMF, and the SMF determines whether to change the Uu PDB, so that the Uu PDB in this embodiment is changed.
  • the Uu PDB determined by the relay UE can be changed according to the subscription information and/or the operator's policy, so that the Uu PDB received by the relay UE is more in line with the current actual needs, so that the relay UE can use the received Uu PDB and the network to communicate.
  • the method also includes:
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines the PQI sent to the remote UE based on the PQI and according to the QoS support capability of the relay UE. causing the remote UE to communicate with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the relay UE in this embodiment of the present invention may also send the PQI to the remote UE and determine the 5QI, so that the remote UE uses the PQI and the PC5 PDB to communicate with the relay UE, so that the relay UE uses the 5QI and the Uu PDB to communicate with the network to communicate.
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, including:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the communication delay of the interface can be determined according to the size of the resource configuration information of the interface, wherein the communication delay of the interface with the smaller resource configuration is greater than that of the interface with the larger resource configuration;
  • the communication delay determined by the method is more accurate, and can better meet the end-to-end service quality requirements of the remote UE.
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF, including:
  • the relay UE determines the PC5 PDB according to the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and the mapping relationship between the PQI sent by the PCF and the PC5 PDB;
  • the relay UE determines the Uu PDB by subtracting the communication delay in the 5QI from the PC5 PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the relay UE determines the PC5 PDB and the 5QI according to the policy information of the PCF (including the mapping relationship between the PQI and the PC5 PDB), and further determines the Uu PDB. Since the mapping relationship between the PQI and the PC5 PDB is predetermined, according to the quality of service parameters and The relationship between the communication delays determines the communication delay, which better meets the service quality requirements of the remote UE to a certain extent, and further better meets the service quality requirements of the relay UE.
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB, including:
  • the relay UE determines the PC5 PDB by subtracting the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5 PDB and service requirement information sent by the remote UE, and the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface.
  • the remote UE since the Uu PDB sent by the SMF is determined based on the PC5 PDB provided by the remote UE, and the PC5 PDB provided by the remote UE is determined based on the resource configuration information of the PC5 interface, the remote UE can be accurately determined.
  • the communication delay to the relay UE and it is further explained that the communication delay from the relay UE to the core network can be accurately determined, so that the end-to-end requirements of the remote UE can be better met in the end.
  • an embodiment of the present invention provides a method for communicating between a user terminal and a network, and the method includes:
  • the remote user terminal UE receives the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • the remote UE communicates with the relay UE using the PC5 PDB.
  • the PC5 PDB is determined by the relay UE, including:
  • the PC5 PDB is determined by the relay UE according to the resource configuration information of the PC5 interface; or,
  • the PC5 PDB is determined by the relay UE according to the policy information sent by the policy control function PCF; or,
  • the PC5 PDB is determined by the relay UE according to the Uu PDB sent by the SMF.
  • the remote UE uses the PC5 PDB to communicate with the relay UE, further comprising:
  • the remote UE receives the PQI sent by the relay UE;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the method also includes:
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the PCF according to the PC5 PDB and service Demand information, determine 5QI and Uu PDB and send to the relay UE through SMF.
  • a method for communicating between a user terminal and a network includes:
  • the session management function SMF determines the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface;
  • the SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the session management function SMF determines the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface, including:
  • the SMF determines, based on the received Uu PDB sent by the relay UE, the Uu PDB sent to the relay UE according to the subscription information and/or the operator policy; or,
  • the SMF is determined to be the Uu PDB sent to the relay UE; the Uu PDB sent by the PCF is the PC5 PDB and service requirement information sent by the PCF according to the remote UE. definite.
  • the SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE, further comprising:
  • the SMF determines the 5QI sent to the relay UE based on the received Uu interface quality of service QoS parameter 5QI sent by the relay UE according to the subscription information and/or the operator policy; 5QI, sent to the relay UE; or,
  • the SMF sends the received 5QI sent by the policy control function PCF to the relay UE; the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • an embodiment of the present invention further provides a relay terminal, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program
  • a transceiver for sending and receiving data under the control of the processor
  • a processor for reading the computer program in the memory and performing the following operations:
  • the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • the relay UE sends the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • the relay UE communicates with the core network according to the Uu PDB sent by the session management function SMF.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface; or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF; or,
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the processor is further configured to execute:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the processor is further configured to execute:
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines the PQI sent to the remote UE based on the PQI and according to the QoS support capability of the relay UE. causing the remote UE to communicate with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB according to the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and the mapping relationship between the PQI sent by the PCF and the PC5 PDB;
  • the relay UE determines the Uu PDB by subtracting the communication delay in the 5QI from the PC5 PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB by subtracting the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5 PDB and service requirement information sent by the remote UE, and the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface.
  • an embodiment of the present invention further provides a remote terminal, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program
  • a transceiver for sending and receiving data under the control of the processor
  • a processor for reading the computer program in the memory and performing the following operations:
  • the remote user terminal UE receives the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • the remote UE communicates with the relay UE using the PC5 PDB.
  • the PC5 PDB is determined by the relay UE, including:
  • the PC5 PDB is determined by the relay UE according to the resource configuration information of the PC5 interface; or,
  • the PC5 PDB is determined by the relay UE according to the policy information sent by the policy control function PCF; or,
  • the PC5 PDB is determined by the relay UE according to the Uu PDB sent by the SMF.
  • the processor is further configured to execute:
  • the remote UE receives the PQI sent by the relay UE;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the processor is further configured to execute:
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the PCF according to the PC5 PDB and service Demand information, determine 5QI and Uu PDB and send to the relay UE through SMF.
  • an embodiment of the present invention further provides a network device, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program
  • a transceiver for sending and receiving data under the control of the processor
  • a processor for reading the computer program in the memory and performing the following operations:
  • the session management function SMF determines the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface;
  • the SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the processor is specifically configured to execute:
  • the SMF determines, based on the received Uu PDB sent by the relay UE, the Uu PDB sent to the relay UE according to the subscription information and/or the operator policy; or,
  • the SMF is determined to be the Uu PDB sent to the relay UE; the Uu PDB sent by the PCF is the PC5 PDB and service requirement information sent by the PCF according to the remote UE. definite.
  • the processor is further configured to execute:
  • the SMF determines the 5QI sent to the relay UE based on the received Uu interface quality of service QoS parameter 5QI sent by the relay UE according to the subscription information and/or the operator policy; 5QI, sent to the relay UE; or,
  • the SMF sends the received 5QI sent by the policy control function PCF to the relay UE; the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • an embodiment of the present invention further provides a first apparatus for communicating between a user terminal and a network, the apparatus comprising: a determining unit, a sending unit, and a communication unit, wherein:
  • the determining unit is used to determine the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • the sending unit is configured to send the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • the communication unit is configured to communicate with the core network according to the Uu PDB sent by the session management function SMF.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface; or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF; or,
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the apparatus further includes a first sending unit for:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the device further includes a second sending unit for:
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines the PQI sent to the remote UE based on the PQI and according to the QoS support capability of the relay UE. causing the remote UE to communicate with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB according to the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and the mapping relationship between the PQI sent by the PCF and the PC5 PDB;
  • the relay UE determines the Uu PDB by subtracting the communication delay in the 5QI from the PC5 PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB by subtracting the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5 PDB and service requirement information sent by the remote UE, and the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface.
  • an embodiment of the present invention further provides a second apparatus for communicating between a user terminal and a network, the apparatus comprising: a receiving unit and a communication unit, wherein:
  • the receiving unit is used for receiving the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • the communication unit is configured to use the PC5 PDB to communicate with the relay UE.
  • the PC5 PDB is determined by the relay UE, including:
  • the PC5 PDB is determined by the relay UE according to the resource configuration information of the PC5 interface; or,
  • the PC5 PDB is determined by the relay UE according to the policy information sent by the policy control function PCF; or,
  • the PC5 PDB is determined by the relay UE according to the Uu PDB sent by the SMF.
  • the device further includes a first receiving unit for:
  • the remote UE receives the PQI sent by the relay UE;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the device further includes a sending unit for:
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the PCF according to the PC5 PDB and service Demand information, determine 5QI and Uu PDB and send to the relay UE through SMF.
  • a third device for communicating between a user terminal and a network includes: a determining unit and a sending unit, wherein:
  • the determining unit is used to determine the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface;
  • the sending unit is configured to send the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the determining unit is specifically used for:
  • the Uu PDB sent to the relay UE is determined according to the subscription information and/or the operator policy; or,
  • the Uu PDB sent by the received policy control function PCF Based on the Uu PDB sent by the received policy control function PCF, it is determined as the Uu PDB sent to the relay UE; the Uu PDB sent by the PCF is determined by the PCF according to the PC5 PDB sent by the remote UE and the service requirement information.
  • the apparatus further includes a first sending unit for:
  • the 5QI sent to the relay UE is determined according to the subscription information and/or the operator policy; the SMF sends the 5QI sent to the relay UE to to the relay UE; or,
  • the received 5QI sent by the policy control function PCF is sent to the relay UE; the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • an embodiment of the present invention further provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is configured to cause the processor to execute the first aspect or the first aspect The method described in the second aspect or the third aspect.
  • FIG. 1 is a schematic diagram of a 5G proximity service system provided by an embodiment of the present invention
  • FIG. 2 is a flowchart for establishing a PDU session and a QoS flow in a 5G proximity service system provided by an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a QoS guarantee mechanism provided by an embodiment of the present invention.
  • FIG. 4A is a schematic diagram of a system in which a user terminal communicates with a network according to an embodiment of the present invention
  • 4B is an implementation flowchart of a method for communicating between a user terminal and a network according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a method for a relay UE to initiate creation or modification of a quality of service flow according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a method for a remote UE to initiate creation or modification of a quality of service flow according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a relay terminal according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a remote terminal according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a network device according to an embodiment of the present invention.
  • FIG. 10 is a first apparatus for communicating between a user terminal and a network according to an embodiment of the present invention.
  • 11 is a second apparatus for communicating between a user terminal and a network according to an embodiment of the present invention.
  • FIG. 12 is a third apparatus for communicating between a user terminal and a network according to an embodiment of the present invention.
  • FIG. 13 is a flowchart of a first method for a user terminal to communicate with a network according to an embodiment of the present invention
  • FIG. 14 is a flowchart of a first method for a user terminal to communicate with a network according to an embodiment of the present invention
  • FIG. 15 is a flowchart of a first method for a user terminal to communicate with a network according to an embodiment of the present invention.
  • applicable systems may be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA Wideband Code Division Multiple Access
  • general packet Wireless service general packet Radio service
  • GPRS general packet Wireless service
  • LTE long term evolution
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • LTE-A Long term evolution advanced
  • UMTS universal mobile
  • the terminal device involved in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the name of the terminal device may be different.
  • the terminal device may be called user equipment (User Equipment, UE).
  • Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
  • RAN Radio Access Network
  • "telephone) and computers with mobile terminal equipment eg portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present application.
  • the network device involved in the embodiments of the present application may be a base station, and the base station may include a plurality of cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names.
  • the network device can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal device and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
  • IP Internet Protocol
  • the network devices may also coordinate attribute management for the air interface.
  • the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile Communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA). ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present application.
  • a network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be geographically separated.
  • MIMO transmission can be single-user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO. (Multiple User MIMO, MU-MIMO). According to the form and number of root antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO, or diversity transmission, precoding transmission, or beamforming transmission.
  • the term "and/or” describes the association relationship between associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists alone, A and B exist simultaneously, and B exists alone these three situations.
  • the character "/" generally indicates that the associated objects are an "or" relationship.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar.
  • a method for communicating between a user terminal and a network may be applied to a remote terminal, a relay terminal, and a network device, and the network device may be a session management function SMF entity, or A network device having the same function as the SMF entity, the network device in the embodiment of the present invention is only an example, and with the emergence of new network devices, the technical solutions provided in the embodiment of the present invention are also applicable.
  • Embodiment 1 provides a method for a user terminal to communicate with a network, which can be applied to the ProSe scenario of the proximity service in the 5G system, wherein the Remote UE (remote UE) passes through the Relay UE (relay UE). ) communicates with the network to obtain the relevant services as follows:
  • the 5G ProSe system includes remote UE, relay UE, radio access network NG-RAN, core network 5GC, and access stratum AS.
  • the remote UE communicates with the relay UE through the PC5 interface (the communication interface between the UE and the UE), the relay UE communicates with the wireless access network through the Uu interface, and the 5GC communicates with the access layer AS through the N6 interface.
  • the UE when the UE is outside the coverage of the network or the signal quality of the Uu interface is poor, it cannot directly connect to the network, but can connect to the network through the UE with relay function.
  • the former is called Remote UE, and the latter is called Remote UE.
  • the Relay UE registers with the network and establishes a PDU (Protocol Data Unit, Protocol Data Unit) session and QoS flow to communicate with the network; the Remote UE communicates with the Relay UE through the PC5 interface, and through the Relay UE's PDU session and QoS flow Forward data to achieve the purpose of communicating with the network.
  • PDU Protocol Data Unit
  • QoS Quality of Service
  • 5GC includes at least the following physical devices: AMF (Access and Mobility Management Function, access and mobility management function) entity, UPF (User Plane Function, user plane function entity) entity, SMF (Session Management Function, session management function) entity function) entity, PCF (Policy Control function, control policy function) entity.
  • AMF Access and Mobility Management Function, access and mobility management function
  • UPF User Plane Function, user plane function entity
  • SMF Session Management Function, session management function
  • PCF Policy Control function, control policy function
  • the establishment process of PDU session and QoS flow in the 5G ProSe system is as follows:
  • Step 200 the network performs service authorization and parameter configuration on the remote UE and the relay UE;
  • the authorized UE can use the relay UE for communication, and what parameters are required for the relay UE communication, such as the network configuration parameter Relay Service Code, which is used to indicate the connection service provided by the relay UE.
  • Step 201 the 5G ProSe system establishes the relay PDU session and QoS flow of the Uu interface
  • Step 202 the remote UE performs a discovery process for discovering the relay UE
  • Step 203 the remote UE selects the relay UE and establishes a direct one-to-one communication
  • the communication interface between the remote UE and the relay UE is a PC5 interface; if a new PDU session needs to be created, the relay initiates a new PDU session establishment process.
  • Step 204 the relay UE allocates an IP address to the remote UE
  • Step 205 the remote UE communicates with the network through the PDU session and QoS flow established by the relay UE.
  • FIG. 3 a schematic diagram of the end-to-end (Remote UE to UPF entity) QoS guarantee mechanism based on PCF and/or SMF is given, wherein the communication between the Remote UE and the network includes two parts: PC5 interface communication and Uu interface communication, that is, the end-to-end QoS between the Remote UE and the network (UPF) includes: the QoS of the PC5 interface and the QoS of the Uu interface.
  • the QoS guarantee mechanism from Remote UE to UPF is implemented in the following two ways:
  • the PCF determines the Uu interface QoS parameter 5QI ( 5G QoS identifier), the Relay UE determines the PC5 interface QoS parameter PQI (PC5 QoS identifier) according to the pre-configured mapping relationship.
  • the PCF determines the QoS parameters of the Uu interface and the QoS parameters of the PC5 interface of the Relay UE according to service requirements.
  • the end-to-end (Remote UE to UPF) delay is guaranteed by the PC5 interface delay and the Uu interface delay.
  • the end-to-end (Remote UE to UPF) delay is 100ms
  • the PC5 interface delay may be 50ms
  • the Uu interface delay may be 50ms.
  • the delay allocation here is only an example.
  • the present invention describes how to allocate interfaces. The delay is not limited too much.
  • 5QI is a vector, including priority, PDB (Packet Delay Budget, packet delay), PER (Packet Error Rate, packet error rate) and other parameters;
  • PQI is a vector, including priority levels , PDB, PER and other parameters;
  • PC5 interface delay is represented by PDB in PQI, and Uu interface delay is represented by PDB in 5QI.
  • the PCF or SMF determines the Uu interface QoS parameters and the PC5 interface QoS parameters of the Relay UE according to the service requirements, and cannot accurately determine the PC5 interface QoS parameters and the Uu interface QoS parameters, especially in the case of interface resources.
  • the PCF or SMF determines the Uu interface QoS parameters and the PC5 interface QoS parameters of the Relay UE according to the service requirements, and cannot accurately determine the PC5 interface QoS parameters and the Uu interface QoS parameters, especially in the case of interface resources.
  • how to reasonably guarantee the QoS flow of the Uu interface and the PC5 interface, so that the relay UE and the remote UE can communicate with the network is a technical problem that needs to be solved urgently.
  • the embodiment of the present invention proposes a method for the Relay UE to determine the QoS parameters of the PC5 interface and the QoS parameters of the Uu interface, which can better Meet the end-to-end QoS requirements of the Remote UE, so as to achieve the purpose of communicating with the network.
  • a system for communicating between a user terminal and a network includes a remote UE400, a relay UE401, and an SMF entity device 402, wherein the PC5 interface is the remote UE400 and the SMF entity device 402.
  • the interface between the relay UEs, the Uu interface is the interface between the relay UE and the core network; as shown in FIG. 4B , the specific implementation steps of the system are described below:
  • Step 400 The relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface.
  • the PC5 PDB in the embodiment of the present invention is the communication delay between the remote UE and the relay UE
  • the Uu PDB is the communication delay between the relay UE and the UPF entity device
  • the relay UE determines the PC5 PDB and the Uu PDB in the following three ways:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines to send the parameter to the remote UE based on the PQI and the QoS support capability of the relay UE. PQI, so that the remote UE communicates with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the PQI and the PC5 PDB are the QoS parameters and communication delays corresponding to the QoS flow between the relay UE and the remote UE;
  • the 5QI and the Uu PDB are the QoS parameters and communication delays corresponding to QoS flows between the relay UE and the user plane functional entity UPF.
  • the mapping relationship between the PQI and the 5QI sent by the PCF may be preset, and the mapping relationship is stored in the PCF and sent to the relay UE through the PCF.
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the relay UE receives the PQI sent by the remote UE, and determines the 5QI according to the mapping relationship between the PQI sent by the PCF and the 5QI; the relay UE determines the PC5 PDB and the Uu PDB according to method 1, and, Let the sum of the finally determined PC5 PDB and Uu PDB be the communication delay in the 5QI determined by the relay UE.
  • the relay UE sends the 5QI and the Uu PDB determined by the relay UE to the SMF through AMF, so that the SMF is based on the 5QI and the Uu PDB,
  • the 5QI and Uu PDB sent to the relay UE are determined according to subscription information and/or operator policy. It can also be understood that the SMF determines whether to modify the received 5QI and Uu PDB according to subscription information and/or an operator policy, and sends the modified or unmodified 5QI and Uu PDB to the relay UE.
  • the relay UE sends the 5QI and Uu PDB determined by the relay UE to the SMF through the AMF, and sends them to the PCF through the SMF, so that the PCF is based on the For the 5QI and the Uu PDB, the 5QI and the Uu PDB to be sent to the relay UE are determined according to the subscription information and/or the operator policy.
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the policy information in this embodiment may be operator policy information or self-defined policy information, which is not limited in this embodiment of the present invention.
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines to send the parameter to the remote UE based on the PQI and the QoS support capability of the relay UE. PQI, so that the remote UE communicates with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the relay UE determines the PC5 PDB according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the PC5 PDB; The delay is subtracted from the PC5 PDB to determine the Uu PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the relay UE sends the 5QI and the Uu PDB determined by the relay UE to the SMF through AMF, so that the SMF is based on the 5QI and the Uu PDB,
  • the 5QI and Uu PDB sent to the relay UE are determined according to subscription information and/or operator policy. It can also be understood that the SMF determines whether to modify the received 5QI and Uu PDB according to subscription information and/or an operator policy, and sends the modified or unmodified 5QI and Uu PDB to the relay UE.
  • the relay UE sends the 5QI and Uu PDB determined by the relay UE to the SMF through the AMF, and sends them to the PCF through the SMF, so that the PCF is based on the For the 5QI and the Uu PDB, the 5QI and the Uu PDB to be sent to the relay UE are determined according to the subscription information and/or the operator policy.
  • Mode 3 The relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the Uu PDB sent by the SMF is determined by the SMF according to the Uu PDB sent by the PCF.
  • the relay UE receives the 5QI sent by the SMF, and subtracts the communication delay in the 5QI sent by the SMF from the Uu PDB sent by the SMF to determine the PC5 PDB;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5PDB and service requirement information sent by the remote UE. Specifically, the PCF determines the 5QI according to the service requirement and the mapping relationship between the service requirement and the 5QI, Subtract the received PC5 PDB from the communication delay in 5QI to get the Uu PDB;
  • the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface. It is also understood that after the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface, it sends it to the PCF through the application service function AF, so that the PCF determines the 5QI and the Uu PDB according to the service requirements and the PC5 PDB.
  • the relay UE will send the determined PC5 PDB to the remote UE, so that the remote UE uses the PC5 PDB to communicate with the relay UE.
  • the relay UE uses the above methods to communicate with the relay UE. After the Uu PDB is determined in 1 or mode 2, the Uu PDB will not be directly used to communicate with the core network, but the determined Uu PDB will be sent to the SMF, so that the SMF can determine the Whether to change the Uu PDB determined by the relay UE.
  • the relay UE will send the determined PQI to the remote UE, so that the remote UE uses the PC5 PDB to communicate with the relay UE, but the relay UE uses the above way 1 or After the method in method 2 determines the 5QI, it does not directly use the 5QI to communicate with the core network, but sends the determined 5QI to the SMF, so that the SMF can determine whether to The 5QI determined by the relay UE is changed.
  • Step 401 The relay UE sends the PC5 PDB to the remote UE, so that the remote UE communicates with the relay UE according to the PC5 PDB.
  • the PC5 PDB in the embodiment of the present invention is the communication delay for communication between the relay UE and the remote UE through the PC5 interface, and is also understood as the packet transmission for communication between the remote UE and the relay UE
  • the upper limit of the delay that is, the remote UE sends the received high-level data packets (PDUs) to the relay UE in packets within the packet transmission delay determined by the PC5 PDB, and the relay UE transmits the packets determined by the PC5 PDB.
  • the received high-level data packets are sent to the remote UE in groups within the delay, so as to achieve the purpose of communicating between the remote UE and the relay UE; that is, the PC5 PDB in the embodiment of the present invention is directed to the high-level The communication delay of the data packet.
  • the remote UE does not send the received higher layer data packet (PDU) to the relay UE within the packet transmission delay determined by the PC5 PDB, the data packet is discarded (deleted), and/or if the relay UE If the received high-level data packet (PDU) is not sent to the remote UE within the packet transmission delay determined by the PC5 PDB, the packet is discarded (deleted) to avoid affecting the transmission of subsequent packets.
  • the remote UE can use the PC5 PDB to replace the QoS parameter PQI between the relay UE and the remote UE, and establish a QoS flow and PDU according to the PQI. session, to achieve the purpose of communicating between the remote UE and the relay UE.
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the relay UE determines the PQI sent to the remote UE based on the PQI sent by the remote UE and according to the QoS support capability of the relay UE; the relay UE determines the PQI sent to the remote UE according to the PQI and the PQI.
  • the 5QI is determined by the mapping relationship between the 5QI and the 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • Step 402 The remote UE receives the PC5 PDB sent by the relay UE, where the PC5 PDB is determined by the relay UE; the remote UE uses the PC5 PDB to communicate with the relay UE.
  • the remote UE receives the PQI sent by the relay UE; the remote UE uses the PQI to communicate with the relay UE:
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the The PCF determines the 5QI and the Uu PDB according to the PC5 PDB and the service requirement information and sends them to the relay UE through the SMF, and the relay UE uses the 5QI and the Uu PDB to communicate with the network.
  • Step 403 the SMF determines the Uu PDB sent to the relay UE according to the received Uu PDB.
  • the ways in which the SMF receives the Uu PDB include but are not limited to the following two:
  • Manner 1 The SMF receives the Uu PDB sent by the relay UE; the SMF determines the Uu PDB sent to the relay UE based on the Uu PDB sent by the relay UE and according to subscription information and/or operator policy.
  • the SMF receives the Uu interface quality of service QoS parameter 5QI sent by the relay UE, and based on the 5QI sent by the relay UE, the SMF determines the 5QI sent to the relay UE according to subscription information and/or an operator policy.
  • Mode 2 The SMF receives the Uu PDB sent by the PCF; the SMF determines the Uu PDB sent by the PCF as the Uu PDB sent to the relay UE;
  • the Uu PDB sent by the PCF is determined by the PCF according to the PC5 PDB sent by the remote UE and the service requirement information.
  • the SMF receives the 5QI sent by the policy control function PCF; the SMF sends the 5QI sent by the PCF to the relay UE;
  • the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • Step 404 The SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE.
  • Step 405 the relay UE communicates with the core network according to the Uu PDB sent by the session management function SMF.
  • the relay UE receives the Uu PDB sent by the SMF, and communicates with the core network through the Uu PDB.
  • the Uu PDB in the embodiment of the present invention is the communication delay of the communication between the relay UE and the UPF through the Uu interface, and is also understood as the upper limit of the packet transmission delay of the communication between the relay UE and the UPF.
  • the relay UE sends the received high-level data packets (PDUs) to the UPF in packets within the packet transmission delay determined by the Uu PDB, and the UPF will receive the high-level data packets within the packet transmission delay determined by the Uu PDB.
  • the packet (PDU) is sent to the relay UE in a grouping manner, so as to achieve the purpose of communicating between the relay UE and the core network; that is, the Uu PDB in the embodiment of the present invention is for the communication delay of high-level data packets.
  • the relay UE does not send the received higher layer data packet (PDU) to the UPF within the packet transmission delay determined by the Uu PDB, it discards (deletes) the data packet, and/or, if the UPF determines in the Uu PDB If the received high-level data packet (PDU) is not sent to the relay UE within the packet transmission delay, the data packet is discarded (deleted) to avoid affecting the transmission of subsequent data packets.
  • the relay UE can use the Uu PDB to replace the communication delay in the QoS parameter 5QI between the relay UE and the UPF, and establish QoS according to the 5QI. Stream and establish a PDU session to achieve the purpose of communicating with the core network.
  • the embodiment of the present invention is based on the communication delay PC5 PDB of the PC5 interface determined by the relay UE and the communication delay Uu PDB of the Uu interface, compared with the communication delay and Uu PDB of the PC5 interface determined according to the PCF or SMF in the prior art.
  • the communication delay determined by the relay UE is more accurate.
  • this embodiment provides a method for a relay UE to initiate creation or modification of a quality of service flow, so that the remote terminal and the relay terminal communicate with the network.
  • the specific implementation steps are as follows:
  • Step 500 the remote UE sends a direct communication request message carrying a PQI to the relay UE, and the PQI is determined by the remote UE according to service requirements;
  • Step 501 the relay UE determines the 5QI based on the mapping relationship between the PQI and the 5QI sent by the PCF, and determines the 5QI according to the PQI; the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface.
  • the PC5 PDB is the communication delay of the PC5 interface
  • the Uu PDB is the communication delay of the Uu interface
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the PC5 interface resources are limited (such as less resources configured for PC5 communication), and the short-latency transmission requirements cannot be met, the PC5 PDB is set to a larger value, and the Uu PDB is set to a smaller value, and The sum of the PC5 PDB and the Uu PDB is the communication delay PDB in the 5QI determined by the relay UE.
  • step 501 and step 502 is not in any particular order, and may also be performed simultaneously, which is not limited in this embodiment of the present invention.
  • Step 502 The relay UE sends a direct communication response message carrying the PQI and the PC5 PDB to the remote UE.
  • the remote UE has the following two ways to use the PC5 PDB to communicate with the relay UE:
  • the PC5 PDB is 100ms;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI.
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • Step 503 The relay UE sends a NAS (Non-Access Stratum, non-access stratum) message to the AMF, the message includes a protocol data unit PDU session modification request message carrying the 5QI and the Uu PDB, and is used to send the SMF to the SMF.
  • NAS Non-Access Stratum, non-access stratum
  • Step 504 AMF sends a session establishment management context update message carrying a PDU session modification request message to the SMF, carrying the 5QI and the Uu PDB.
  • Step 505 the SMF returns a response message for establishing a session management context to the AMF.
  • Step 506 Based on the 5QI and the Uu PDB, the SMF determines the 5QI and the Uu PDB to be sent to the relay UE according to the subscription information and/or the operator policy.
  • the SMF sends a session management policy control update message carrying the 5QI and the Uu PDB to the PCF;
  • the PCF sends to the SMF a session management policy control response message that carries the 5QI and the Uu PDB determined by the PCF;
  • the SMF may adopt the method of step 506 or the method of step 507 to determine the 5QI and Uu PDB sent to the relay UE.
  • Step 508 The SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the SMF can send the Uu PDB to the relay UE through the following steps:
  • Step 1) SMF sends an N1N2 transfer message to AMF, the N1N2 transfer message includes an N1 SM message sent to the relay UE and an N2 SM message sent to the NG-RAN, wherein the N1 SM message includes 5QI and Uu PDB, The N2 SM message contains 5QI and Uu PDB.
  • Step 2) The AMF sends an N2 message to the NG-RAN, which includes an N1 SM message carrying 5QI and Uu PDB and an N2 SM message carrying 5QI and Uu PDB.
  • Step 3 The NG-RAN sends an RRC message to the relay UE, which includes an N1 SM message carrying 5QI and Uu PDB.
  • this embodiment provides a method for a remote UE to initiate creation or modification of a quality of service flow, so that the remote terminal and the relay terminal communicate with the network.
  • the specific implementation steps are as follows:
  • Step 600 the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF.
  • the remote UE interacts with the application service function AF through application layer signaling.
  • the remote UE provides the PC5 PDB to the AF.
  • Step 601 The AF sends a request message to the PCF to request the PCF to process the new service requirement.
  • the request message includes service requirement information and the PC5 PDB determined by the remote UE.
  • Step 602 PCF determines 5QI and Uu PDB according to the service requirement information and the PC5 PDB.
  • the PCF determines the 5QI based on the mapping relationship between service requirements and 5QI, and determines the 5QI according to the received service requirements; the PCF subtracts the received PC5 PDB from the communication delay PDB in the 5QI to obtain the Uu PDB.
  • the PDB in 5QI reflects the delay requirement between the remote UE and the UPF.
  • the delay requirement includes two parts, one part is the Uu PDB, which is the communication delay between the relay UE and the UPF, and the other part is the PC5 PDB, that is, the communication delay between the remote UE and the relay UE.
  • Step 603 the PCF sends a request message carrying the 5QI and the Uu PDB to the SMF.
  • Step 604 the SMF determines the 5QI and Uu PDB sent to the relay UE according to the received 5QI and the Uu PDB;
  • Step 605 the SMF sends the determined 5QI and Uu PDB of the relay UE to the relay UE.
  • Step 1) SMF sends an N1N2 transfer message to AMF, the N1N2 transfer message includes an N1 SM message sent to the relay UE and an N2 SM message sent to the NG-RAN, wherein the N1 SM message includes 5QI and Uu PDB, The N2 SM message contains 5QI and Uu PDB.
  • Step 2) The AMF sends an N2 message to the NG-RAN, which includes an N1 SM message carrying 5QI and Uu PDB and an N2 SM message carrying 5QI and Uu PDB.
  • Step 3 The NG-RAN sends an RRC message to the relay UE, which includes an N1 SM message carrying 5QI and Uu PDB.
  • Step 606 the relay UE subtracts the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF to determine the PC5 PDB; the relay UE determines the PC5 PDB based on the mapping relationship between the 5QI and the PQI; Determine the PQI;
  • Step 607 The relay UE sends an L2 link modification request message carrying the PQI and the PC5 PDB to the remote UE, so that the remote UE communicates with the relay UE according to the PQI and the PC5 PDB.
  • Step 608 The remote UE receives the PQI and the PC5 PDB, and returns a response message to the relay UE.
  • Embodiment 2 Based on the same inventive concept, the embodiment of the present invention also provides a relay terminal, because the terminal is a terminal corresponding to the method for relaying the UE side in the embodiment of the present invention, and the principle of solving the problem of the terminal is the same as that of this embodiment.
  • the methods are similar, so the implementation of the terminal may refer to the implementation of the method, and the repeated parts will not be repeated.
  • an embodiment of the present invention further provides a relay terminal.
  • the terminal includes a transceiver 700, a processor 701, and a memory 702.
  • the memory 702 is used to store a computer program; the transceiver is used to process the Send and receive data under the control of the processor; the processor is used to read the computer program in the memory and perform the following operations:
  • the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • the relay UE sends the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • the relay UE communicates with the core network according to the Uu PDB sent by the session management function SMF.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 710 and various circuits of memory represented by memory 702 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 700 may be a number of elements, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
  • the user interface 703 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 may store data used by the processor 701 in performing operations.
  • the processor 701 may be a CPU (central processor), an ASIC (Application Specific Integrated Circuit, an application-specific integrated circuit), an FPGA (Field-Programmable Gate Array, a field programmable gate array) or a CPLD (Complex Programmable Logic Device) , complex programmable logic devices), the processor can also use a multi-core architecture.
  • CPU central processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • complex programmable logic devices complex programmable logic devices
  • the processor is configured to execute any one of the methods provided in the embodiments of the present application according to the obtained executable instructions by invoking the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface; or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF; or,
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the processor is further configured to execute:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the processor is further configured to execute:
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines the PQI sent to the remote UE based on the PQI and according to the QoS support capability of the relay UE. causing the remote UE to communicate with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB according to the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and the mapping relationship between the PQI sent by the PCF and the PC5 PDB;
  • the relay UE determines the Uu PDB by subtracting the communication delay in the 5QI from the PC5 PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the processor is specifically configured to execute:
  • the relay UE determines the PC5 PDB by subtracting the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5 PDB and service requirement information sent by the remote UE, and the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface.
  • the above-mentioned terminal provided in this embodiment of the present invention can implement all the method steps implemented by the above-mentioned method embodiment, and can achieve the same technical effect, which is not the same as the method embodiment in this embodiment.
  • the parts and beneficial effects will be described in detail.
  • Embodiment 3 Based on the same inventive concept, the embodiment of the present invention also provides a remote terminal, because the terminal is a terminal corresponding to the method on the remote UE side of the embodiment of the present invention, and the principle of solving the problem of the terminal is the same as that of the terminal.
  • the methods are similar, so the implementation of the terminal may refer to the implementation of the method, and the repeated parts will not be repeated.
  • an embodiment of the present invention further provides a remote terminal.
  • the terminal includes a transceiver 800, a processor 801, and a memory 802.
  • the memory 802 is used to store a computer program; the transceiver is used to process the Send and receive data under the control of the processor; the processor is used to read the computer program in the memory and perform the following operations:
  • the remote user terminal UE receives the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • the remote UE communicates with the relay UE using the PC5 PDB.
  • the bus architecture may include any number of interconnected buses and bridges, specifically, one or more processors represented by processor 801 and various circuits of memory represented by memory 802 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 800 may be a number of elements, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
  • the user interface 803 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 802 may store data used by the processor 801 in performing operations.
  • the processor 801 can be a CPU (central processor), an ASIC (Application Specific Integrated Circuit, an application-specific integrated circuit), an FPGA (Field-Programmable Gate Array, a field programmable gate array) or a CPLD (Complex Programmable Logic Device) , complex programmable logic devices), the processor can also use a multi-core architecture.
  • CPU central processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • complex programmable logic devices complex programmable logic devices
  • the processor is configured to execute any one of the methods provided in the embodiments of the present application according to the obtained executable instructions by invoking the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • the PC5 PDB is determined by the relay UE, including:
  • the PC5 PDB is determined by the relay UE according to the resource configuration information of the PC5 interface; or,
  • the PC5 PDB is determined by the relay UE according to the policy information sent by the policy control function PCF; or,
  • the PC5 PDB is determined by the relay UE according to the Uu PDB sent by the SMF.
  • the processor is further configured to execute:
  • the remote UE receives the PQI sent by the relay UE;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the processor is further configured to execute:
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the PCF according to the PC5 PDB and service Demand information, determine 5QI and Uu PDB and send to the relay UE through SMF.
  • the above-mentioned terminal provided in this embodiment of the present invention can implement all the method steps implemented by the above-mentioned method embodiment, and can achieve the same technical effect, which is not the same as the method embodiment in this embodiment.
  • the parts and beneficial effects will be described in detail.
  • Embodiment 4 Based on the same inventive concept, the embodiment of the present invention also provides a network device, because the device is a device corresponding to the method on the SMF side of the embodiment of the present invention, and the principle of the device to solve the problem is similar to the method, Therefore, the implementation of the device may refer to the implementation of the method, and the repeated parts will not be repeated.
  • an embodiment of the present invention further provides a network device, the device includes a transceiver 900, a processor 901, and a memory 902, where the memory 902 is used to store a computer program; Send and receive data under the control of the processor; the processor is used to read the computer program in the memory and perform the following operations:
  • the session management function SMF determines the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface;
  • the SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the bus architecture may include any number of interconnected buses and bridges, specifically, one or more processors represented by processor 901 and various circuits of memory represented by memory 902 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 900 may be multiple elements, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
  • the processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 may store data used by the processor 901 in performing operations.
  • the processor 901 may be a central processor (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device). , CPLD), the processor can also use a multi-core architecture.
  • CPU central processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • FPGA field programmable gate array
  • CPLD Complex Programmable Logic Device
  • the processor is specifically configured to execute:
  • the SMF determines, based on the received Uu PDB sent by the relay UE, the Uu PDB sent to the relay UE according to the subscription information and/or the operator policy; or,
  • the SMF is determined to be the Uu PDB sent to the relay UE; the Uu PDB sent by the PCF is the PC5 PDB and service requirement information sent by the PCF according to the remote UE. definite.
  • the processor is further configured to execute:
  • the SMF determines the 5QI sent to the relay UE based on the received Uu interface quality of service QoS parameter 5QI sent by the relay UE according to the subscription information and/or the operator policy; 5QI, sent to the relay UE; or,
  • the SMF sends the received 5QI sent by the policy control function PCF to the relay UE; the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • Embodiment 5 Based on the same inventive concept, the embodiment of the present invention also provides a first device for communicating between a user terminal and a network, because the device is a device corresponding to the method for relaying the UE side in the embodiment of the present invention, and the device solves the problem.
  • the principle of the problem is similar to that of the method, so the implementation of the device can refer to the implementation of the method, and the repetition will not be repeated.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
  • the apparatus includes: a determining unit 1000, a sending unit 1001, and a communication unit 1002, wherein:
  • the determining unit is used to determine the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • the sending unit is configured to send the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • the communication unit is configured to communicate with the core network according to the Uu PDB sent by the session management function SMF.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface; or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF; or,
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the apparatus further includes a first sending unit for:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the device further includes a second sending unit for:
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines the PQI sent to the remote UE based on the PQI and according to the QoS support capability of the relay UE. causing the remote UE to communicate with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB according to the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and the mapping relationship between the PQI sent by the PCF and the PC5 PDB;
  • the relay UE determines the Uu PDB by subtracting the communication delay in the 5QI from the PC5 PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the determining unit is specifically used for:
  • the relay UE determines the PC5 PDB by subtracting the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5 PDB and service requirement information sent by the remote UE, and the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface.
  • Embodiment 6 Based on the same inventive concept, the embodiment of the present invention also provides a second device for communicating between a user terminal and a network, because the device is a device corresponding to the method on the remote UE side in the embodiment of the present invention, and the device solves the problem.
  • the principle of the problem is similar to that of the method, so the implementation of the device can refer to the implementation of the method, and the repetition will not be repeated.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
  • the apparatus includes: a receiving unit 1100 and a communication unit 1101, wherein:
  • the receiving unit is used for receiving the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • the communication unit is configured to use the PC5 PDB to communicate with the relay UE.
  • the PC5 PDB is determined by the relay UE, including:
  • the PC5 PDB is determined by the relay UE according to the resource configuration information of the PC5 interface; or,
  • the PC5 PDB is determined by the relay UE according to the policy information sent by the policy control function PCF; or,
  • the PC5 PDB is determined by the relay UE according to the Uu PDB sent by the SMF.
  • the device further includes a first receiving unit for:
  • the remote UE receives the PQI sent by the relay UE;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the device further includes a sending unit for:
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the PCF according to the PC5 PDB and service Demand information, determine 5QI and Uu PDB and send to the relay UE through SMF.
  • Embodiment 7 Based on the same inventive concept, the embodiment of the present invention also provides a third device for communicating between a user terminal and a network, because the device is a device corresponding to the method on the network device side in the embodiment of the present invention, and the device solves the problem
  • the principle of the method is similar to that of the method, so the implementation of the device can refer to the implementation of the method, and the repetition will not be repeated.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a processor-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
  • the apparatus includes: a determining unit 1200, and a sending unit 1201, wherein:
  • the determining unit is used to determine the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface;
  • the sending unit is configured to send the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the determining unit is specifically used for:
  • the Uu PDB sent to the relay UE is determined according to the subscription information and/or the operator policy; or,
  • the Uu PDB sent by the received policy control function PCF Based on the Uu PDB sent by the received policy control function PCF, it is determined as the Uu PDB sent to the relay UE; the Uu PDB sent by the PCF is determined by the PCF according to the PC5 PDB sent by the remote UE and the service requirement information.
  • the apparatus further includes a first sending unit for:
  • the 5QI sent to the relay UE is determined according to the subscription information and/or the operator policy; the SMF sends the 5QI sent to the relay UE to to the relay UE; or,
  • the received 5QI sent by the policy control function PCF is sent to the relay UE; the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • Embodiment 8 Based on the same inventive concept, the embodiment of the present invention also provides a first method for communicating between a user terminal and a network. As shown in FIG. 13 , the specific implementation process of the method is as follows:
  • Step 1300 the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • Step 1301 the relay UE sends the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • Step 1302 the relay UE communicates with the core network according to the Uu PDB sent by the session management function SMF.
  • the communication delay of the PC5 interface and the communication delay of the Uu interface are determined by the relay UE, rather than determined by the network device according to the service requirements, so that the network can provide the relay UE with More accurate service quality also enables the relay UE to provide more accurate service quality for remote users.
  • the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface, including:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface; or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF; or,
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB.
  • the relay UE can determine the communication delay of the PC5 interface and the communication delay of the Uu interface through different technical means.
  • Communication delay if the communication delay is determined according to the resource configuration information, the communication delay of the PC5 interface and the Uu interface can be accurately allocated according to the size of the resources configured by the PC5 interface and the Uu interface; if the communication delay is determined according to the policy information Compared with service requirements, the policy information in this embodiment considers factors including but not limited to service requirements, interface configuration resources, subscription information, and operator policies, so the communication delay of the interface can still be accurately determined;
  • the communication delay of the PC5 interface is determined according to the Uu PDB sent by the SMF. Since the Uu PDB sent by the SMF is accurate, the PC5 PDB determined based on the Uu PDB is also accurate.
  • the method also includes:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, or,
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF;
  • the relay UE sends the Uu PDB to the SMF, so that the SMF determines, based on the Uu PDB, the Uu PDB to send to the relay UE according to subscription information and/or an operator policy.
  • the relay UE in this embodiment determines the Uu PDB, it may not directly use the Uu PDB to communicate with the core network, but sends the Uu PDB to the SMF, and the SMF determines whether to change the Uu PDB, so that the Uu PDB in this embodiment is changed.
  • the Uu PDB determined by the relay UE can be changed according to the subscription information and/or the operator's policy, so that the Uu PDB received by the relay UE is more in line with the current actual needs, so that the relay UE can use the received Uu PDB and the network to communicate.
  • the method also includes:
  • the relay UE receives the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and determines the PQI sent to the remote UE based on the PQI and according to the QoS support capability of the relay UE. causing the remote UE to communicate with the relay UE using the PQI;
  • the relay UE determines the 5QI according to the PQI and the mapping relationship between the PQI sent by the PCF and the Uu interface quality of service QoS parameter 5QI, so that the relay UE uses the 5QI to communicate with the core network.
  • the relay UE in this embodiment of the present invention may also send the PQI to the remote UE and determine the 5QI, so that the remote UE uses the PQI and the PC5 PDB to communicate with the relay UE, so that the relay UE uses the 5QI and the Uu PDB to communicate with the network to communicate.
  • the relay UE determines the PC5 PDB and the Uu PDB according to the resource configuration information of the PC5 interface and the Uu interface, including:
  • the relay UE determines the PC5 PDB and the Uu PDB according to the size of the resource configuration information of the PC5 interface and the Uu interface;
  • the communication delay of the interface with smaller resource configuration is greater than that of the interface with larger resource configuration; the sum of the PC5 PDB and the Uu PDB is the communication in the 5QI determined by the relay UE time delay.
  • the communication delay of the interface can be determined according to the size of the resource configuration information of the interface, wherein the communication delay of the interface with the smaller resource configuration is greater than that of the interface with the larger resource configuration;
  • the communication delay determined by the method is more accurate, and can better meet the end-to-end service quality requirements of the remote UE.
  • the relay UE determines the PC5 PDB and the Uu PDB according to the policy information sent by the policy control function PCF, including:
  • the relay UE determines the PC5 PDB according to the PC5 interface quality of service QoS parameter PQI sent by the remote UE, and the mapping relationship between the PQI sent by the PCF and the PC5 PDB;
  • the relay UE determines the Uu PDB by subtracting the communication delay in the 5QI from the PC5 PDB;
  • the 5QI is determined by the relay UE according to the PQI sent by the remote UE and the mapping relationship between the PQI sent by the PCF and the 5QI.
  • the relay UE determines the PC5 PDB and the 5QI according to the policy information of the PCF (including the mapping relationship between the PQI and the PC5 PDB), and further determines the Uu PDB. Since the mapping relationship between the PQI and the PC5 PDB is predetermined, according to the quality of service parameters and The relationship between the communication delays determines the communication delay, which better meets the service quality requirements of the remote UE to a certain extent, and further better meets the service quality requirements of the relay UE.
  • the relay UE receives the Uu PDB sent by the SMF, and determines the PC5 PDB according to the Uu PDB, including:
  • the relay UE determines the PC5 PDB by subtracting the communication delay in the 5QI sent by the SMF and the Uu PDB sent by the SMF;
  • the 5QI and the Uu PDB are determined by the PCF according to the PC5 PDB and service requirement information sent by the remote UE, and the PC5 PDB is determined by the remote UE according to the resource configuration information of the PC5 interface.
  • the Uu PDB sent by the SMF is determined based on the PC5 PDB provided by the remote UE, and the PC5 PDB provided by the remote UE is determined based on the resource configuration information of the PC5 interface, it is possible to accurately determine the distance between the remote UE and the relay.
  • the communication delay of the UE and it is further explained that the communication delay from the relay UE to the core network can be accurately determined, so that the end-to-end requirements of the remote UE can be better met in the end.
  • Embodiment 9 Based on the same inventive concept, the embodiment of the present invention also provides a second method for communicating between a user terminal and a network. As shown in FIG. 14 , the specific implementation process of the method is as follows:
  • Step 1400 the remote user terminal UE receives the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • Step 1401 The remote UE uses the PC5 PDB to communicate with the relay UE.
  • the PC5 PDB is determined by the relay UE, including:
  • the PC5 PDB is determined by the relay UE according to the resource configuration information of the PC5 interface; or,
  • the PC5 PDB is determined by the relay UE according to the policy information sent by the policy control function PCF; or,
  • the PC5 PDB is determined by the relay UE according to the Uu PDB sent by the SMF.
  • the remote UE uses the PC5 PDB to communicate with the relay UE, further comprising:
  • the remote UE receives the PQI sent by the relay UE;
  • the remote UE communicates with the relay UE according to the PC5 PDB and the PQI;
  • the remote UE communicates with the relay UE according to the PQI carrying the PC5 PDB.
  • the method also includes:
  • the remote UE determines the PC5 PDB according to the resource configuration information of the PC5 interface and sends it to the application service function AF, so that the AF sends the PC5 PDB to the PCF, and the PCF according to the PC5 PDB and service Demand information, determine 5QI and Uu PDB and send to the relay UE through SMF.
  • Embodiment 10 Based on the same inventive concept, a third method for communicating between a user terminal and a network is also provided in this embodiment of the present invention. As shown in FIG. 15 , the specific implementation process of the method is as follows:
  • Step 1500 the session management function SMF determines the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface;
  • Step 1501 The SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE.
  • the session management function SMF determines the Uu PDB sent to the relay UE according to the received communication delay Uu PDB of the Uu interface, including:
  • the SMF determines, based on the received Uu PDB sent by the relay UE, the Uu PDB sent to the relay UE according to the subscription information and/or the operator policy; or,
  • the SMF is determined to be the Uu PDB sent to the relay UE; the Uu PDB sent by the PCF is the PC5 PDB and service requirement information sent by the PCF according to the remote UE. definite.
  • the SMF sends the Uu PDB determined to be sent to the relay UE to the relay UE, further comprising:
  • the SMF determines the 5QI sent to the relay UE based on the received Uu interface quality of service QoS parameter 5QI sent by the relay UE according to the subscription information and/or the operator policy; 5QI, sent to the relay UE; or,
  • the SMF sends the received 5QI sent by the policy control function PCF to the relay UE; the 5QI sent by the PCF is determined by the PCF according to service requirements.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic memory (eg, floppy disk, hard disk, magnetic tape, magnetic Optical disk (MO), etc.), optical memory (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state disk (SSD)) and the like.
  • magnetic memory eg, floppy disk, hard disk, magnetic tape, magnetic Optical disk (MO), etc.
  • optical memory such as CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state disk (SSD)
  • This embodiment also provides a computer storage medium, and when the program is executed by the processor, the steps of the following method are implemented:
  • the relay user terminal UE determines the communication delay PC5 PDB of the PC5 interface and the communication delay Uu PDB of the Uu interface;
  • the relay UE sends the PC5 PDB to the remote user terminal UE, so that the remote UE communicates with the relay UE according to the PC5 PDB;
  • the relay UE communicates with the core network according to the Uu PDB sent by the session management function SMF.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic memory (eg, floppy disk, hard disk, magnetic tape, magnetic Optical disk (MO), etc.), optical memory (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state disk (SSD)) and the like.
  • magnetic memory eg, floppy disk, hard disk, magnetic tape, magnetic Optical disk (MO), etc.
  • optical memory such as CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state disk (SSD)
  • This embodiment also provides a computer storage medium, and when the program is executed by the processor, the steps of the following method are implemented:
  • the remote user terminal UE receives the communication delay PC5 PDB of the PC5 interface sent by the relay UE, and the PC5 PDB is determined by the relay UE;
  • the remote UE communicates with the relay UE using the PC5 PDB.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic memory (eg, floppy disk, hard disk, magnetic tape, magnetic Optical disk (MO), etc.), optical memory (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state disk (SSD)) and the like.
  • magnetic memory eg, floppy disk, hard disk, magnetic tape, magnetic Optical disk (MO), etc.
  • optical memory such as CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state disk (SSD)
  • This embodiment also provides a computer storage medium, and when the program is executed by the processor, the steps of the following method are implemented:
  • the session management function SMF receives the communication delay Uu PDB of the Uu interface
  • the SMF determines the Uu PDB sent to the relay UE according to the received Uu PDB.
  • the present application may also be implemented in hardware and/or software (including firmware, resident software, microcode, etc.). Still further, the present application may take the form of a computer program product on a computer-usable or computer-readable storage medium having computer-usable or computer-readable program code embodied in the medium for use by an instruction execution system or Used in conjunction with an instruction execution system.
  • a computer-usable or computer-readable medium can be any medium that can contain, store, communicate, transmit, or transmit a program for use by, or in connection with, an instruction execution system, apparatus, or device. device or equipment use.

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Abstract

本发明公开了用户终端与网络进行通信的方法、终端、网络设备及装置，用于更精准地为远端UE提供端到端的服务质量，从而使得远端UE达到与网络通信的目的。该方法包括：中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。

Description

用户终端与网络进行通信的方法、终端、网络设备及装置
相关申请的交叉引用
本申请要求在2020年08月05日提交中国专利局、申请号为202010777659.3、申请名称为“用户终端与网络进行通信的方法、终端、网络设备及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及无线通信技术领域，特别涉及用户终端与网络进行通信的方法、终端、网络设备及装置。
背景技术
3GPP(Third Generation Partnership Project，第三代合作伙伴计划)R17(Release 17，版本17)对5G系统中的ProSe(Proximity Services，临近业务)进行了研究和标准化，ProSe中一个重要的场景是Remote UE(远端用户终端)通过Relay UE(中继用户终端)与网络进行通信以获取相关服务，现有技术方案中，5G核心网只根据业务特性来确定Relay UE的QoS(Quality of Service，服务质量)，而如何对Relay UE的QoS进行管理，以便为Remote UE提供端到端(Remote UE端和Remote UE UPF端)的QoS，从而使得Remote UE达到与网络通信的目的，仍是5G系统标准中尚未解决的问题。
发明内容
本发明提供一种用户终端与网络进行通信的方法、终端、网络设备及装置，用于通过中继UE确定远端UE和中继UE之间的通信时延，以及确定中继UE和网络设备之间的通信时延，以便中继UE更精准地为远端UE提供端到端的服务质量，从而使得远端UE达到与网络通信的目的。
第一方面，本发明实施例提供的一种用户终端与网络进行通信的方法， 该方法包括：
中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
本发明实施例提供的方法，通过中继UE确定PC5接口的通信时延和Uu接口的通信时延，而并非通过网络设备根据业务需求确定的，因此一定程度上使得网络能够为中继UE提供更精确地服务质量，也能使得中继UE为远端用户提供更精确地服务质量。
作为一种可选的实施方式，中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB，包括：
所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
本实施例提供的方法，中继UE可以通过不同的技术手段确定PC5接口的通信时延和Uu接口的通信时延，每种技术手段相比现有技术都能够更加精确地确定两个接口的通信时延，若根据资源配置信息确定通信时延，则可以精确地根据PC5接口和Uu接口配置的资源的大小，来精确地分配PC5接口和Uu接口的通信时延；若根据策略信息确定通信时延，相比于业务需求，本实施例中的策略信息考虑的因素包括但不限于业务需求、接口配置资源、签约信息、运营商策略，因此仍可以精确地确定接口的通信时延；若根据SMF发送的Uu PDB确定PC5接口的通信时延，则由于SMF发送的Uu PDB是精确地，因此基于该Uu PDB确定出的PC5 PDB也是精确地。
作为一种可选的实施方式，该方法还包括：
若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
本实施例的中继UE虽然确定了Uu PDB但可以不直接使用该Uu PDB与核心网进行通信，而是将该Uu PDB发送给SMF，由SMF确定是否更改该Uu PDB，使得本实施例的中继UE确定的Uu PDB能根据签约信息和/或运营商策略进行更改，使得最终中继UE收到的Uu PDB更加符合当前的实际需求，以使中继UE使用收到的Uu PDB和网络进行通信。
作为一种可选的实施方式，该方法还包括：
所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
本发明实施例的中继UE还可以向远端UE发送PQI，并确定5QI，以使远端UE使用PQI和PC5 PDB与中继UE进行通信，以使中继UE使用5QI和Uu PDB与网络进行通信。
作为一种可选的实施方式，所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，包括：
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口 的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
本实施例可以根据接口的资源配置信息的大小确定接口的通信时延，其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；该配置方式该方式确定的通信时延更加精准，并且能够更好地满足远端UE的端到端的服务质量需。
作为一种可选的实施方式，所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB，包括：
所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
本实施例中继UE根据PCF的策略信息(包括PQI和PC5 PDB的映射关系)确定PC5 PDB以及5QI，进一步确定出Uu PDB，由于预先确定了PQI和PC5 PDB的映射关系，根据服务质量参数和通信时延之间的关系确定通信时延，一定程度上更好的满足远端UE的服务质量需求，进一步更好的满足了中继UE的服务质量需求。
作为一种可选的实施方式，所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB，包括：
所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
本发明实施例由于SMF发送的Uu PDB是基于远端UE提供的PC5 PDB 确定的，而远端UE提供的PC5 PDB是基于PC5接口的资源配置信息确定的，因此，能够精确地确定远端UE到中继UE的通信时延，并且也进一步说明能够精确地确定中继UE到核心网的通信时延，使得最终更好的满足远端UE的端到端的需求。
第二方面，本发明实施例提供的一种用户终端与网络进行通信的方法，该方法包括：
远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
作为一种可选的实施方式，所述PC5 PDB是所述中继UE确定的，包括：
所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
作为一种可选的实施方式，所述远端UE使用所述PC5 PDB与所述中继UE进行通信，还包括：
所述远端UE收到中继UE发送的PQI；
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
作为一种可选的实施方式，该方法还包括：
所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
第三方面，本发明实施例提供的一种用户终端与网络进行通信的方法， 该方法包括：
会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
作为一种可选的实施方式，所述会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB，包括：
所述SMF基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
所述SMF基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
作为一种可选的实施方式，所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE，还包括：
所述SMF基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
所述SMF将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
第四方面，本发明实施例还提供一种中继终端，包括存储器，收发机，处理器：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
第五方面，本发明实施例中还提供了一种远端终端，包括存储器，收发机，处理器：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
作为一种可选的实施方式，所述PC5 PDB是所述中继UE确定的，包括：
所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述远端UE收到中继UE发送的PQI；
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
第六方面，本发明实施例中还提供了一种网络设备，包括存储器，收发机，处理器：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述SMF基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
所述SMF基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述SMF基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
所述SMF将收到的策略控制功能PCF发送的5QI，发送给中继UE；所 述PCF发送的5QI是所述PCF根据业务需求确定的。
第七方面，本发明实施例还提供第一种用户终端与网络进行通信的装置，该装置包括：确定单元、发送单元、通信单元，其中：
所述确定单元，用于确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
所述发送单元，用于向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
所述通信单元，用于根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
作为一种可选的实施方式，该装置还包括第一发送单元用于：
若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
作为一种可选的实施方式，该装置还包括第二发送单元用于：
所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
第八方面，本发明实施例还提供第二种用户终端与网络进行通信的装置，该装置包括：接收单元、通信单元，其中：
所述接收单元，用于收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
所述通信单元，用于使用所述PC5 PDB与所述中继UE进行通信。
作为一种可选的实施方式，所述PC5 PDB是所述中继UE确定的，包括：
所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
作为一种可选的实施方式，该装置还包括第一接收单元用于：
所述远端UE收到中继UE发送的PQI；
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
作为一种可选的实施方式，该装置还包括发送单元用于：
所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
第九方面，本发明实施例提供的第三种用户终端与网络进行通信的装置，该装置包括：确定单元，发送单元，其中：
所述确定单元，用于根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
所述发送单元，用于将所述确定向中继UE发送的Uu PDB，发送给中继UE。
作为一种可选的实施方式，所述确定单元具体用于：
基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB 以及业务需求信息确定的。
作为一种可选的实施方式，所述装置还包括第一发送单元用于：
基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
第十方面，本发明实施例还提供一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行上述第一方面或第二方面或第三方面所述的方法。
本申请的这些方面或其他方面在以下的实施例的描述中会更加简明易懂。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的5G临近业务系统示意图；
图2为本发明实施例提供的5G临近业务系统中PDU会话和QoS流的建立流程图；
图3为本发明实施例提供的QoS保障机制示意图；
图4A为本发明实施例提供的一种用户终端与网络进行通信的系统示意图；
图4B为本发明实施例提供的一种用户终端与网络进行通信的方法实施流程图；
图5为本发明实施例提供的一种中继UE发起新建或修改服务质量流的方法流程图；
图6为本发明实施例提供的一种远端UE发起新建或修改服务质量流的方法流程图；
图7为本发明实施例提供的一种中继终端示意图；
图8为本发明实施例提供的一种远端终端示意图；
图9为本发明实施例提供的一种网络设备示意图；
图10为本发明实施例提供的第一种用户终端与网络进行通信的装置；
图11为本发明实施例提供的第二种用户终端与网络进行通信的装置；
图12为本发明实施例提供的第三种用户终端与网络进行通信的装置；
图13为本发明实施例提供的第一种用户终端与网络进行通信的方法流程图；
图14为本发明实施例提供的第一种用户终端与网络进行通信的方法流程图；
图15为本发明实施例提供的第一种用户终端与网络进行通信的方法流程图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述，显然，所描述的实施例仅仅是本发明一部份实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
本申请实施例提供的技术方案可以适用于多种系统，尤其是5G系统。例如适用的系统可以是全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)通用分组无线业务(general packet radio service，GPRS)系统、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时 分双工(time division duplex，TDD)系统、高级长期演进(long term evolution advanced，LTE-A)系统、通用移动系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)系统、5G新空口(New Radio,NR)系统等。这多种系统中均包括终端设备和网络设备。系统中还可以包括核心网部分，例如演进的分组系统(Evloved Packet System,EPS)、5G系统(5GS)等。
本申请实施例涉及的终端设备，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备等。在不同的系统中，终端设备的名称可能也不相同，例如在5G系统中，终端设备可以称为用户设备(User Equipment，UE)。无线终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网(Core Network,CN)进行通信，无线终端设备可以是移动终端设备，如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol，SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)等设备。无线终端设备也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point)、远程终端设备(remote terminal)、接入终端设备(access terminal)、用户终端设备(user terminal)、用户代理(user agent)、用户装置(user device)，本申请实施例中并不限定。
本申请实施例涉及的网络设备，可以是基站，该基站可以包括多个为终端提供服务的小区。根据具体应用场合不同，基站又可以称为接入点，或者可以是接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备，或者其它名称。网络设备可用于将收到的空中帧与网际协议(Internet Protocol，IP)分组进行相互更换，作为无线终端设备与接入网的其余部分之 间的路由器，其中接入网的其余部分可包括网际协议(IP)通信网络。网络设备还可协调对空中接口的属性管理。例如，本申请实施例涉及的网络设备可以是全球移动通信系统(Global System for Mobile communications，GSM)或码分多址接入(Code Division Multiple Access，CDMA)中的网络设备(Base Transceiver Station，BTS)，也可以是带宽码分多址接入(Wide-band Code Division Multiple Access，WCDMA)中的网络设备(NodeB)，还可以是长期演进(long term evolution，LTE)系统中的演进型网络设备(evolutional Node B，eNB或e-NodeB)、5G网络架构(next generation system)中的5G基站(gNB)，也可以是家庭演进基站(Home evolved Node B，HeNB)、中继节点(relay node)、家庭基站(femto)、微微基站(pico)等，本申请实施例中并不限定。在一些网络结构中，网络设备可以包括集中单元(centralized unit，CU)节点和分布单元(distributed unit，DU)节点，集中单元和分布单元也可以地理上分开布置。
网络设备与终端设备之间可以各自使用一或多根天线进行多输入多输出(Multi Input Multi Output,MIMO)传输，MIMO传输可以是单用户MIMO(Single User MIMO,SU-MIMO)或多用户MIMO(Multiple User MIMO,MU-MIMO)。根据根天线组合的形态和数量，MIMO传输可以是2D-MIMO、3D-MIMO、FD-MIMO或massive-MIMO，也可以是分集传输或预编码传输或波束赋形传输等。
本发明实施例中术语“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请实施例中术语“多个”是指两个或两个以上，其它量词与之类似。
本发明实施例描述的应用场景是为了更加清楚的说明本发明实施例的技术方案，并不构成对于本发明实施例提供的技术方案的限定，本领域普通技术人员可知，随着新应用场景的出现，本发明实施例提供的技术方案对于类似的技术问题，同样适用。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，并不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
需要说明的是，本实施例中提供的一种用户终端与网络进行通信的方法，可以应用于远端终端、中继终端、以及网络设备，所述网络设备可以是会话管理功能SMF实体，或具备与SMF实体功能一样的网络设备，本发明实施例中的网络设备仅为一种示例，随着新网络设备的出现，本发明实施例提供的技术方案同样适用。
实施例1、本发明实施例提供了一种用户终端与网络进行通信的方法，可以应用于5G系统中的临近业务ProSe场景下，其中，Remote UE(远端UE)通过Relay UE(中继UE)与网络进行通信以获取相关服务的具体实施方式如下所述：
如图1所示，5G ProSe系统中，包括远端UE、中继UE、无线接入网NG-RAN、核心网5GC以及接入层AS。其中，远端UE与中继UE通过PC5接口(UE与UE之间的通信接口)进行通信，中继UE与无线接入网通过Uu接口进行通信，5GC与接入层AS通过N6接口进行通信。
具体的，当UE处于网络覆盖范围之外或Uu接口信号质量较差时，无法直接连接网络，可通过具有中继功能的UE连接网络，前者称为远端用户终端Remote UE，后者称为中继用户终端Relay UE。Relay UE注册到网络中，建立PDU(Protocol Data Unit，协议数据单元)会话和QoS流以实现和网络的通信；Remote UE通过PC5接口与Relay UE进行通信，并通过Relay UE的PDU会话和QoS流进行数据的转发，以达到和网络进行通信的目的。
需要说明的是，5GC至少包括如下实体设备：AMF(Access and Mobility Management Function，接入和移动管理功能)实体、UPF(User Plane Function，用户面功能实体)实体、SMF(Session Management Function，会话管理功能)实体、PCF(Policy Control function，控制策略功能)实体。
如图2所示，目前，5G ProSe系统中PDU会话和QoS流的建立流程如下：
步骤200、网络对远端UE和中继UE进行业务授权和参数配置；
具体的，授权UE是否可以使用中继UE进行通信，以及进行中继UE通信需要哪些参数，例如网络配置参数Relay Service Code，用于表示Relay UE提供的连接服务。
步骤201、5G ProSe系统建立Uu接口的中继PDU会话和QoS流；
步骤202、远端UE执行发现过程，用于发现中继UE；
步骤203、远端UE选择中继UE并建立直连一对一通信；
其中，远端UE和中继UE之间的通信接口为PC5接口；如果需要新建PDU会话，中继发起新的PDU会话建立过程。
步骤204、中继UE为远端UE分配IP地址；
步骤205、远端UE通过中继UE建立的PDU会话和QoS流与网络进行通信。
如图3所示、给出了基于PCF和/或SMF的端到端(Remote UE到UPF实体)的QoS保障机制示意图，其中，Remote UE与网络之间的通信包括两部分：PC5接口通信和Uu接口通信，也即Remote UE与网络(UPF)之间的端到端的QoS包括：PC5接口的QoS和Uu接口的QoS。
目前通过如下两种方式实现Remote UE到UPF的QoS保障机制：
方式1、PCF根据业务需求或者SMF根据DNN(Data Network Name，数据网络名称)或S-NSSAI(Single Network Slice Selection Assistance Information，单个网络切片选择辅助信息)，确定Relay UE的Uu接口QoS参数5QI(5G QoS标识)，Relay UE根据预配置的映射关系，确定PC5接口QoS参数PQI(PC5 QoS标识)。
方式2、PCF根据业务需求确定Relay UE的Uu接口QoS参数和PC5接口QoS参数。特别的，对于端到端(Remote UE到UPF)时延，是由PC5接口时延和Uu接口时延来保障的。例如，端到端(Remote UE到UPF)时延是100ms，则PC5接口时延可以是50ms，Uu接口时延可以是50ms，这里的时 延分配仅为一个示例，本发明对如何分配接口的时延不作过多限定。
需要说明的是，5QI为一个矢量，包括优先等级、PDB(Packet Delay Budget，分组时延)、PER(Packet Error Rate，分组误码率)等参数；同样的，PQI为一个矢量，包括优先等级、PDB、PER等参数；PC5接口时延由PQI中的PDB来表示，Uu接口时延由5QI中的PDB来表示。
综上所述，现有技术方案中，PCF或者SMF根据业务需求来确定Relay UE的Uu接口QoS参数以及PC5接口QoS参数，无法精准确定PC5接口QoS参数和Uu接口QoS参数，尤其是在接口资源受限的情况下，如何合理地保障Uu接口和PC5接口的QoS流，以使中继UE和远端UE与网络进行通信，是亟需解决的技术问题。
为了解决上述技术问题，本发明实施例提出了一种Relay UE确定PC5接口QoS参数和Uu接口QoS参数的方法，相比于现有技术中网络根据业务信息确定QoS参数的方法，能够更好的满足Remote UE的端到端的QoS需求，从而达到和网络通信的目的。
如图4A所示，本实施例中提供的一种用户终端与网络进行通信的系统，该系统包括远端UE400、中继UE401以及SMF实体设备402，其中，所述PC5接口为远端UE和中继UE之间的接口，所述Uu接口为中继UE和核心网之间的接口；如图4B所示，下面对该系统的具体实施步骤进行说明：
步骤400、中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB。
需要说明的是，本发明实施例中的所述PC5 PDB是远端UE和中继UE之间的通信时延，所述Uu PDB是中继UE和UPF实体设备之间的通信时延；
实施中，中继UE通过如下三种方式确定PC5 PDB和Uu PDB：
方式1、所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；
该方式下，所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu  PDB。
该方式下，所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
需要说明的是，所述PQI和所述PC5 PDB为所述中继UE和所述远端UE之间的QoS流对应的QoS参数和通信时延；所述5QI和所述Uu PDB为所述中继UE和用户面功能实体UPF之间的QoS流对应的QoS参数和通信时延。
所述PCF发送的PQI和5QI的映射关系可以是预先设定的，该映射关系存储在PCF中，并通过PCF发送给中继UE。
在该方式下，所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。容易理解的是，中继UE收到远端UE发送的PQI，根据收到PCF发送的PQI和5QI的映射关系，确定5QI；中继UE按方式1确定PC5 PDB以及所述Uu PDB，并且，使得最终确定出的PC5 PDB和Uu PDB的总和为所述中继UE确定的5QI中的通信时延。
该方式下一种可选的实施方式是：所述中继UE将所述中继UE确定的5QI以及Uu PDB通过AMF发送给SMF，以使所述SMF基于所述5QI以及所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的5QI以及Uu PDB。也可理解为，所述SMF根据签约信息和/或运营商策略，确定是否对收到的5QI以及Uu PDB进行更改，并将更改或未更改的5QI以及Uu PDB发送给所述中继UE。
该方式下另一种可选的实施方式是：所述中继UE将所述中继UE确定的 5QI以及Uu PDB通过AMF发送给SMF，并通过SMF发送给PCF，以使所述PCF基于所述5QI以及所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的5QI以及Uu PDB。
方式2、所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
本实施例中的策略信息可以是运营商策略信息，或自定义的策略信息，本发明实施例对此不作过多限定。
该方式下，所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
该方式下，所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
该方式下，所述中继UE，根据所述远端UE发送的PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
其中，所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
该方式下一种可选的实施方式是：所述中继UE将所述中继UE确定的5QI以及Uu PDB通过AMF发送给SMF，以使所述SMF基于所述5QI以及所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的5QI以及Uu PDB。也可理解为，所述SMF根据签约信息和/或运营商策略，确定是否对收到的5QI以及Uu PDB进行更改，并将更改或未更改的5QI以及Uu PDB发送给所述中继UE。
该方式下另一种可选的实施方式是：所述中继UE将所述中继UE确定的5QI以及Uu PDB通过AMF发送给SMF，并通过SMF发送给PCF，以使所述PCF基于所述5QI以及所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的5QI以及Uu PDB。
方式3、所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
该方式下，所述SMF发送的Uu PDB是所述SMF根据PCF发送的Uu PDB确定的。
该方式下，所述中继UE收到SMF发送的5QI，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
其中，所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5PDB以及业务需求信息确定的，具体的，所述PCF根据业务需求以及业务需求和5QI的映射关系确定5QI，将5QI中的通信时延减去收到的PC5 PDB，得到Uu PDB；
所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。也理解为，远端UE根据PC5接口的资源配置信息确定PC5 PDB之后，通过应用服务功能AF发送给PCF，以使PCF根据业务需求和PC5 PDB，确定5QI和Uu PDB。
需要说明的是，中继UE在上述三种方式下，会将确定的PC5 PDB发送给远端UE，以使远端UE使用PC5 PDB与中继UE进行通信，但是，中继UE通过上述方式1或方式2确定出Uu PDB之后，并不会直接使用该Uu PDB与核心网进行通信，而是将确定出的Uu PDB发送给SMF，以使SMF根据签约信息和/或运营商策略，确定是否对中继UE确定的Uu PDB进行更改。
可选的，中继UE在上述三种方式下，会将确定的PQI发送给远端UE，以使远端UE使用PC5 PDB与中继UE进行通信，但是，中继UE通过上述方式1或方式2中的方法确定出5QI之后，并不会直接使用该5QI与核心网进行通信，而是将确定出的5QI发送给SMF，以使SMF根据签约信息和/或 运营商策略，确定是否对中继UE确定的5QI进行更改。
步骤401、所述中继UE向远端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信。
需要说明的是，本发明实施例中的PC5 PDB为中继UE和远端UE之间通过PC5接口进行通信的通信时延，也理解为远端UE和中继UE之间进行通信的分组传输时延的上限，即远端UE在PC5 PDB确定的分组传输时延内将收到的高层数据包(PDU)以分组的方式发送给中继UE，中继UE在PC5 PDB确定的分组传输时延内将收到的高层数据包(PDU)以分组的方式发送远端UE，从而达到远端UE和中继UE进行通信的目的；也就是说，本发明实施例中的PC5 PDB是针对高层数据包的通信时延。
另外，若远端UE在PC5 PDB确定的分组传输时延内没有将收到的高层数据包(PDU)发送给中继UE，则丢弃(删除)该数据包，和/或，若中继UE在PC5 PDB确定的分组传输时延内没有将收到的高层数据包(PDU)发送远端UE，则丢弃(删除)该数据包，以避免影响后续数据包的传输。
更进一步地，将所述PC5 PDB发送给远端UE后，远端UE可以使用所述PC5 PDB替代中继UE和远端UE之间的QoS参数PQI，根据所述PQI建立QoS流并建立PDU会话，以实现远端UE和中继UE进行通信的目的。
可选的，所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
可选的，所述中继UE基于远端UE发送的PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI；所述中继UE根据所述PQI以及PQI和5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
步骤402、远端UE收到中继UE发送的PC5 PDB，所述PC5 PDB是所述中继UE确定的；所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
可选的，所述远端UE收到中继UE发送的PQI；所述远端UE使用所述PQI与所述中继UE进行通信：
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
一种可能的实施方式是，所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE，所述中继UE使用所述5QI和Uu PDB与网络进行通信。
步骤403、SMF根据所述收到的Uu PDB，确定向中继UE发送的Uu PDB。
可选的，SMF收到Uu PDB的方式包括但不限于如下两种：
方式一、SMF收到中继UE发送的Uu PDB；所述SMF基于所述中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
该方式下，还包括：
所述SMF收到中继UE发送的Uu接口服务质量QoS参数5QI，所述SMF基于所述中继UE发送的5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI。
方式二、所述SMF收到PCF发送的Uu PDB；所述SMF将所述PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；
其中，所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
该方式下，还包括：
所述SMF收到策略控制功能PCF发送的5QI；所述SMF将所述PCF发送的5QI，发送给中继UE；
其中，所述PCF发送的5QI是所述PCF根据业务需求确定的。
步骤404、所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
步骤405、所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
可以理解为，所述中继UE收到SMF发送的Uu PDB，通过所述Uu PDB与核心网进行通信。
需要说明的是，本发明实施例中的Uu PDB为中继UE和UPF之间通过Uu接口进行通信的通信时延，也理解为中继UE和UPF之间进行通信的分组传输时延的上限，即中继UE在Uu PDB确定的分组传输时延内将收到的高层数据包(PDU)以分组的方式发送给UPF，UPF在Uu PDB确定的分组传输时延内将收到的高层数据包(PDU)以分组的方式发送给中继UE，从而达到中继UE和核心网进行通信的目的；也就是说，本发明实施例中的Uu PDB是针对高层数据包的通信时延。
另外，若中继UE在Uu PDB确定的分组传输时延内没有将收到的高层数据包(PDU)发送给UPF，则丢弃(删除)该数据包，和/或，若UPF在Uu PDB确定的分组传输时延内没有将收到的高层数据包(PDU)发送给中继UE，则丢弃(删除)该数据包，以避免影响后续数据包的传输。
更进一步地，SMF将所述Uu PDB发送给中继UE后，中继UE可以使用所述Uu PDB替代中继UE和UPF之间的QoS参数5QI中的通信时延，根据所述5QI建立QoS流并建立PDU会话，以实现和核心网进行通信的目的。
综上，本发明实施例是根据中继UE确定的PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB，相比现有技术根据PCF或SMF确定的PC5接口的通信时延和Uu接口的通信时延，中继UE确定的通信时延更加精确。
如图5所示，本实施例提供一种中继UE发起新建或修改服务质量流的方法，以使远端终端以及中继终端与网络进行通信，具体实施步骤如下：
步骤500、远端UE向中继UE发送携带PQI的直接通信请求消息，所述PQI是由远端UE根据业务需求确定的；
步骤501、中继UE基于PCF发送的PQI和5QI的映射关系，根据所述PQI确定5QI；所述中继UE根据PC5接口和Uu接口的资源配置信息，确定PC5 PDB和Uu PDB。
其中，所述PC5 PDB为PC5接口的通信时延，所述Uu PDB为Uu接口的通信时延。
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。具体的，当PC5接口资源受限时(如配置给PC5通信的资源较少)，无法满足短时延传输要求，则将PC5 PDB设置为较大值，而Uu PDB设置为较小值，并且所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延PDB。
另外，步骤501和步骤502的顺序不分先后，也可以同时执行，对此本发明实施例不作过多限定。
步骤502、中继UE向远端UE发送携带所述PQI和所述PC5 PDB的直接通信响应消息。
实施中，远端UE有如下两种方式使用PC5 PDB与中继UE进行通信：
方式1、若所述PQI中未携带所述PC5 PDB，即所述PQI为特定值，则所述PQI中的参数也为特定值，例如PQI＝1，则PQI中的通信时延PC5 PDB就是100ms；
该方式下，所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信。
方式2、若所述PQI中携带所述PC5 PDB，即非标准化的PQI，PQI本身并不能表示特定值，通过PQI中的每一个参数的显式值确定PQI中的通信时 延PC5 PDB；
该方式下，所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
步骤503、中继UE向AMF发送NAS(Non-Access Stratum，非接入层)消息，该消息中包含携带所述5QI和所述Uu PDB的协议数据单元PDU会话修改请求消息，用于向SMF指示远端UE要建立或修改QoS流。
步骤504、AMF向SMF发送携带PDU会话修改请求消息的建立会话管理上下文更新消息，携带所述5QI和所述Uu PDB。
步骤505、SMF向AMF返回建立会话管理上下文响应消息。
步骤506、SMF基于所述5QI和所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的5QI和Uu PDB。
可选的，步骤507、SMF向PCF发送携带所述5QI和所述Uu PDB的会话管理策略控制更新消息；
并且，PCF基于运营商策略和/或签约信息根据所述5QI和所述Uu PDB，向SMF发送携带PCF确定的5QI和Uu PDB的会话管理策略控制响应消息；
上述步骤506和步骤507是并列的关系，具体实施中，SMF可以采用步骤506的方式或步骤507的方式，确定发送给中继UE的5QI和Uu PDB。
步骤508、SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
具体的，SMF可通过如下步骤将所述Uu PDB发送给中继UE：
步骤1)SMF向AMF发送N1N2传送消息，所述N1N2传送消息包含发送给中继UE的N1 SM消息和发送给NG-RAN的N2 SM消息，其中，所述N1 SM消息包含5QI和Uu PDB，所述N2 SM消息包含5QI和Uu PDB。
步骤2)AMF向NG-RAN发送N2消息，该消息中包含携带5QI和Uu PDB的N1 SM消息和携带5QI和Uu PDB的N2 SM消息。
步骤3)NG-RAN向中继UE发送RRC消息，该消息中包含携带5QI和Uu PDB的N1 SM消息。
如图6所示，本实施例提供一种远端UE发起新建或修改服务质量流的方法，以使远端终端以及中继终端与网络进行通信，具体实施步骤如下：
步骤600、所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF。
远端UE与应用服务功能AF之间通过应用层信令进行交互，远端UE有新的业务请求时，远端UE向AF提供PC5 PDB。
步骤601、所述AF向PCF发起请求消息，请求PCF处理新的业务需求。所述请求消息中包含业务需求信息以及远端UE确定的PC5 PDB。
步骤602、PCF根据业务需求信息和所述PC5 PDB，确定5QI和Uu PDB。
实施中，PCF基于业务需求和5QI的映射关系，根据收到的业务需求确定5QI；PCF将5QI中的通信时延PDB减去收到的PC5 PDB，获得Uu PDB。
其中，5QI中的PDB反映的远端UE和UPF之间的时延需求，该时延需求包括两部分，一部分为Uu PDB，即中继UE和UPF之间的通信时延，另一部分为PC5 PDB，即远端UE和中继UE之间的通信时延。
步骤603、PCF向SMF发送携带所述5QI和所述Uu PDB请求消息。
步骤604、SMF根据收到的所述5QI和所述Uu PDB，确定发送给中继UE的5QI和Uu PDB；
步骤605、SMF将所述确定发送给中继UE的5QI和Uu PDB，发送给中继UE。
实施中，可通过如下步骤发送：
步骤1)SMF向AMF发送N1N2传送消息，所述N1N2传送消息包含发送给中继UE的N1 SM消息和发送给NG-RAN的N2 SM消息，其中，所述N1 SM消息包含5QI和Uu PDB，所述N2 SM消息包含5QI和Uu PDB。
步骤2)AMF向NG-RAN发送N2消息，该消息中包含携带5QI和Uu PDB的N1 SM消息和携带5QI和Uu PDB的N2 SM消息。
步骤3)NG-RAN向中继UE发送RRC消息，该消息中包含携带5QI和Uu PDB的N1 SM消息。
步骤606、中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；中继UE基于5QI和PQI的映射关系，根据所述5QI确定PQI；
步骤607、中继UE向远端UE发送携带所述PQI和所述PC5 PDB的L2链接修改请求消息，以使远端UE根据所述PQI和所述PC5 PDB与中继UE进行通信。
步骤608、远端UE收到所述PQI和所述PC5 PDB，并向中继UE返回响应消息。
实施例2、基于同一发明构思，本发明实施例中还提供了一种中继终端，由于该终端是本发明实施例中继UE侧的方法对应的终端，并且该终端解决问题的原理与该方法相似，因此该终端的实施可以参见方法的实施，重复之处不再赘述。
如图7所示，本发明实施例还提供一种中继终端，该终端包括收发机700、处理器701以及存储器702，存储器702，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
其中，在图7中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器710代表的一个或多个处理器和存储器702代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机700可以是多个元件， 即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括，这些传输介质包括无线信道、有线信道、光缆等传输介质。针对不同的用户设备，用户接口703还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器701负责管理总线架构和通常的处理，存储器702可以存储处理器701在执行操作时所使用的数据。
可选的，处理器701可以是CPU(中央处埋器)、ASIC(Application Specific Integrated Circuit，专用集成电路)、FPGA(Field－Programmable Gate Array，现场可编程门阵列)或CPLD(Complex Programmable Logic Device，复杂可编程逻辑器件)，处理器也可以采用多核架构。
处理器通过调用存储器存储的计算机程序，用于按照获得的可执行指令执行本申请实施例提供的任一所述方法。处理器与存储器也可以物理上分开布置。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所 述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
在此需要说明的是，本发明实施例提供的上述终端，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
实施例3、基于同一发明构思，本发明实施例中还提供了一种远端终端，由于该终端是本发明实施例远端UE侧的方法对应的终端，并且该终端解决问题的原理与该方法相似，因此该终端的实施可以参见方法的实施，重复之处不再赘述。
如图8所示，本发明实施例还提供一种远端终端，该终端包括收发机800、处理器801以及存储器802，存储器802，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
其中，在图8中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器801代表的一个或多个处理器和存储器802代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机800可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括，这些传输介质包括无线信道、有线信道、光缆等传输介质。针对不同的用户设备，用户接口803还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器801负责管理总线架构和通常的处理，存储器802可以存储处理器801在执行操作时所使用的数据。
可选的，处理器801可以是CPU(中央处埋器)、ASIC(Application Specific Integrated Circuit，专用集成电路)、FPGA(Field－Programmable Gate Array，现场可编程门阵列)或CPLD(Complex Programmable Logic Device，复杂可编程逻辑器件)，处理器也可以采用多核架构。
处理器通过调用存储器存储的计算机程序，用于按照获得的可执行指令执行本申请实施例提供的任一所述方法。处理器与存储器也可以物理上分开布置。
作为一种可选的实施方式，所述PC5 PDB是所述中继UE确定的，包括：
所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述远端UE收到中继UE发送的PQI；
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
在此需要说明的是，本发明实施例提供的上述终端，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
实施例4、基于同一发明构思，本发明实施例中还提供了一种网络设备，由于该设备是本发明实施例SMF侧的方法对应的设备，并且该设备解决问题的原理与该方法相似，因此该设备的实施可以参见方法的实施，重复之处不再赘述。
如图9所示，本发明实施例还提供一种网络设备，该设备包括收发机900、处理器901以及存储器902，存储器902，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
其中，在图9中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器901代表的一个或多个处理器和存储器902代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机900可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器901负责管理总线架构和通常的处理，存储器902可以存储处理器901在执行操作时所使用的数据。
处理器901可以是中央处埋器(CPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device，CPLD)，处理器也可以采用多核架构。
作为一种可选的实施方式，所述处理器具体被配置为执行：
所述SMF基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
所述SMF基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
作为一种可选的实施方式，所述处理器具体还被配置为执行：
所述SMF基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
所述SMF将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
在此需要说明的是，本发明实施例提供的上述设备，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
实施例5、基于同一发明构思，本发明实施例中还提供了第一种用户终端与网络进行通信的装置，由于该装置是本发明实施例中继UE侧方法对应的装置，并且该装置解决问题的原理与该方法相似，因此该装置的实施可以参见方法的实施，重复之处不再赘述。
需要说明的是，本申请实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以通过软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机， 服务器，或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
如图10所示，该装置包括：确定单元1000、发送单元1001、通信单元1002，其中：
所述确定单元，用于确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
所述发送单元，用于向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
所述通信单元，用于根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
作为一种可选的实施方式，该装置还包括第一发送单元用于：
若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
作为一种可选的实施方式，该装置还包括第二发送单元用于：
所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
作为一种可选的实施方式，所述确定单元具体用于：
所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
在此需要说明的是，本发明实施例提供的上述装置，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本 实施例中与方法实施例相同的部分及有益效果进行具体赘述。
实施例6、基于同一发明构思，本发明实施例中还提供了第二种用户终端与网络进行通信的装置，由于该装置是本发明实施例远端UE侧方法对应的装置，并且该装置解决问题的原理与该方法相似，因此该装置的实施可以参见方法的实施，重复之处不再赘述。
需要说明的是，本申请实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以通过软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
如图11所示，该装置包括：接收单元1100、通信单元1101，其中：
所述接收单元，用于收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
所述通信单元，用于使用所述PC5 PDB与所述中继UE进行通信。
作为一种可选的实施方式，所述PC5 PDB是所述中继UE确定的，包括：
所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确 定的；或，
所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
作为一种可选的实施方式，该装置还包括第一接收单元用于：
所述远端UE收到中继UE发送的PQI；
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
作为一种可选的实施方式，该装置还包括发送单元用于：
所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
在此需要说明的是，本发明实施例提供的上述装置，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
实施例7、基于同一发明构思，本发明实施例中还提供了第三种用户终端与网络进行通信的装置，由于该装置是本发明实施例网络设备侧方法对应的装置，并且该装置解决问题的原理与该方法相似，因此该装置的实施可以参见方法的实施，重复之处不再赘述。
需要说明的是，本申请实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售 或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以通过软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
如图12所示，该装置包括：确定单元1200，发送单元1201，其中：
所述确定单元，用于根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
所述发送单元，用于将所述确定向中继UE发送的Uu PDB，发送给中继UE。
作为一种可选的实施方式，所述确定单元具体用于：
基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
作为一种可选的实施方式，所述装置还包括第一发送单元用于：
基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
在此需要说明的是，本发明实施例提供的上述装置，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本 实施例中与方法实施例相同的部分及有益效果进行具体赘述。
实施例8、基于同一发明构思，本发明实施例中还提供了第一种用户终端与网络进行通信的方法，如图13所示，该方法的具体实施流程如下：
步骤1300、中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
步骤1301、所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
步骤1302、所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
本发明实施例提供的方法，通过中继UE确定PC5接口的通信时延和Uu接口的通信时延，而并非通过网络设备根据业务需求确定的，因此一定程度上使得网络能够为中继UE提供更精确地服务质量，也能使得中继UE为远端用户提供更精确地服务质量。
作为一种可选的实施方式，中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB，包括：
所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
本实施例提供的方法，中继UE可以通过不同的技术手段确定PC5接口的通信时延和Uu接口的通信时延，每种技术手段相比现有技术都能够更加精确地确定两个接口的通信时延，若根据资源配置信息确定通信时延，则可以精确地根据PC5接口和Uu接口配置的资源的大小，来精确地分配PC5接口和Uu接口的通信时延；若根据策略信息确定通信时延，相比于业务需求，本实施例中的策略信息考虑的因素包括但不限于业务需求、接口配置资源、签 约信息、运营商策略，因此仍可以精确地确定接口的通信时延；若根据SMF发送的Uu PDB确定PC5接口的通信时延，则由于SMF发送的Uu PDB是精确地，因此基于该Uu PDB确定出的PC5 PDB也是精确地。
作为一种可选的实施方式，该方法还包括：
若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
本实施例的中继UE虽然确定了Uu PDB但可以不直接使用该Uu PDB与核心网进行通信，而是将该Uu PDB发送给SMF，由SMF确定是否更改该Uu PDB，使得本实施例的中继UE确定的Uu PDB能根据签约信息和/或运营商策略进行更改，使得最终中继UE收到的Uu PDB更加符合当前的实际需求，以使中继UE使用收到的Uu PDB和网络进行通信。
作为一种可选的实施方式，该方法还包括：
所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
本发明实施例的中继UE还可以向远端UE发送PQI，并确定5QI，以使远端UE使用PQI和PC5 PDB与中继UE进行通信，以使中继UE使用5QI和Uu PDB与网络进行通信。
作为一种可选的实施方式，所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，包括：
所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
本实施例可以根据接口的资源配置信息的大小确定接口的通信时延，其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；该配置方式该方式确定的通信时延更加精准，并且能够更好地满足远端UE的端到端的服务质量需。
作为一种可选的实施方式，所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB，包括：
所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
本实施例中继UE根据PCF的策略信息(包括PQI和PC5 PDB的映射关系)确定PC5 PDB以及5QI，进一步确定出Uu PDB，由于预先确定了PQI和PC5 PDB的映射关系，根据服务质量参数和通信时延之间的关系确定通信时延，一定程度上更好的满足远端UE的服务质量需求，进一步更好的满足了中继UE的服务质量需求。
作为一种可选的实施方式，所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB，包括：
所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB 以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
则由于SMF发送的Uu PDB是基于远端UE提供的PC5 PDB确定的，而远端UE提供的PC5 PDB是基于PC5接口的资源配置信息确定的，因此，能够精确地确定远端UE到中继UE的通信时延，并且也进一步说明能够精确地确定中继UE到核心网的通信时延，使得最终更好的满足远端UE的端到端的需求。
实施例9、基于同一发明构思，本发明实施例中还提供了第二种用户终端与网络进行通信的方法，如图14所示，该方法的具体实施流程如下：
步骤1400、远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
步骤1401、所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
作为一种可选的实施方式，所述PC5 PDB是所述中继UE确定的，包括：
所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
作为一种可选的实施方式，所述远端UE使用所述PC5 PDB与所述中继UE进行通信，还包括：
所述远端UE收到中继UE发送的PQI；
若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
作为一种可选的实施方式，该方法还包括：
所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应 用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
实施例10、基于同一发明构思，本发明实施例中还提供了第三种用户终端与网络进行通信的方法，如图15所示，该方法的具体实施流程如下：
步骤1500、会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
步骤1501、所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
作为一种可选的实施方式，所述会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB，包括：
所述SMF基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
所述SMF基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
作为一种可选的实施方式，所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE，还包括：
所述SMF基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
所述SMF将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
本实施例还提供一种计算机存储介质，所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备，包括但不限于磁性存储器 (例如软盘、硬盘、磁带、磁光盘(MO)等)、光学存储器(例如CD、DVD、BD、HVD等)、以及半导体存储器(例如ROM、EPROM、EEPROM、非易失性存储器(NAND FLASH)、固态硬盘(SSD))等。
本实施例还提供一种计算机存储介质，该程序被处理器执行时实现如下方法的步骤：
中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
本实施例还提供一种计算机存储介质，所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备，包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(MO)等)、光学存储器(例如CD、DVD、BD、HVD等)、以及半导体存储器(例如ROM、EPROM、EEPROM、非易失性存储器(NAND FLASH)、固态硬盘(SSD))等。
本实施例还提供一种计算机存储介质，该程序被处理器执行时实现如下方法的步骤：
远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
本实施例还提供一种计算机存储介质，所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备，包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(MO)等)、光学存储器(例如CD、DVD、BD、HVD等)、以及半导体存储器(例如ROM、EPROM、EEPROM、非易失性存储器(NAND FLASH)、固态硬盘(SSD))等。
本实施例还提供一种计算机存储介质，该程序被处理器执行时实现如下方法的步骤：
会话管理功能SMF收到Uu接口的通信时延Uu PDB；
所述SMF根据所述收到的Uu PDB，确定向中继UE发送的Uu PDB。
以上参照示出根据本申请实施例的方法、装置(系统)和/或计算机程序产品的框图和/或流程图描述本申请。应理解，可以通过计算机程序指令来实现框图和/或流程图示图的一个块以及框图和/或流程图示图的块的组合。可以将这些计算机程序指令提供给通用计算机、专用计算机的处理器和/或其它可编程数据处理装置，以产生机器，使得经由计算机处理器和/或其它可编程数据处理装置执行的指令创建用于实现框图和/或流程图块中所指定的功能/动作的方法。
相应地，还可以用硬件和/或软件(包括固件、驻留软件、微码等)来实施本申请。更进一步地，本申请可以采取计算机可使用或计算机可读存储介质上的计算机程序产品的形式，其具有在介质中实现的计算机可使用或计算机可读程序代码，以由指令执行系统来使用或结合指令执行系统而使用。在本申请上下文中，计算机可使用或计算机可读介质可以是任意介质，其可以包含、存储、通信、传输、或传送程序，以由指令执行系统、装置或设备使用，或结合指令执行系统、装置或设备使用。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (43)

  1. 一种用户终端与网络进行通信的方法，其特征在于，该方法包括：
    中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
    所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
    所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
  2. 根据权利要求1所述的方法，其特征在于，中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB，包括：
    所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
    所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
    所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
  3. 根据权利要求2所述的方法，其特征在于，该方法还包括：
    若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
    若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
    则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
  4. 根据权利要求1所述的方法，其特征在于，该方法还包括：
    所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
    所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
  5. 根据权利要求2～4任一所述的方法，其特征在于，所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，包括：
    所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
    其中，所述资源配置较小的接口的通信时延大于资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
  6. 根据权利要求2～4任一所述的方法，其特征在于，所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB，包括：
    所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
    所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
    所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
  7. 根据权利要求2所述的方法，其特征在于，所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB，包括：
    所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
    所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
  8. 一种用户终端与网络进行通信的方法，其特征在于，该方法包括：
    远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
    所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
  9. 根据权利要求8所述的方法，其特征在于，所述PC5 PDB是所述中继UE确定的，包括：
    所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
    所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
    所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
  10. 根据权利要求8所述的方法，其特征在于，所述远端UE使用所述PC5 PDB与所述中继UE进行通信，还包括：
    所述远端UE收到中继UE发送的PQI；
    若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
    若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
  11. 根据权利要求8所述的方法，其特征在于，该方法还包括：
    所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
  12. 一种用户终端与网络进行通信的方法，其特征在于，该方法包括：
    会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
    所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
  13. 根据权利要求12所述的方法，其特征在于，所述会话管理功能SMF 根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB，包括：
    所述SMF基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
    所述SMF基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
  14. 根据权利要求12所述的方法，其特征在于，所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE，还包括：
    所述SMF基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
    所述SMF将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
  15. 一种中继终端，其特征在于，其特征在于，包括存储器，收发机，处理器：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    中继用户终端UE确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
    所述中继UE向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
    所述中继UE根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
  16. 根据权利要求15所述的终端，其特征在于，所述处理器具体被配置为执行：
    所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
    所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
    所述中继UE收到所述SMF发送的Uu PDB，并根据所述Uu PDB确定所述PC5 PDB。
  17. 根据权利要求16所述的终端，其特征在于，所述处理器具体还被配置为执行：
    若所述中继UE根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB，或者，
    若所述中继UE根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；
    则所述中继UE将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB。
  18. 根据权利要求15所述的终端，其特征在于，所述处理器具体还被配置为执行：
    所述中继UE收到所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
    所述中继UE，根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
  19. 根据权利要求16～18任一所述的终端，其特征在于，所述处理器具体被配置为执行：
    所述中继UE，根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
    其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
  20. 根据权利要求16～18任一所述的终端，其特征在于，所述处理器具体被配置为执行：
    所述中继UE，根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
    所述中继UE，将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
    所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
  21. 根据权利要求16所述的终端，其特征在于，所述处理器具体被配置为执行：
    所述中继UE，将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
    所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
  22. 一种远端终端，其特征在于，包括存储器，收发机，处理器：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    远端用户终端UE，收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
    所述远端UE使用所述PC5 PDB与所述中继UE进行通信。
  23. 根据权利要求22所述的终端，其特征在于，所述PC5 PDB是所述中继UE确定的，包括：
    所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
    所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
    所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
  24. 根据权利要求22所述的终端，其特征在于，所述处理器具体还被配置为执行：
    所述远端UE收到中继UE发送的PQI；
    若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
    若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
  25. 根据权利要求22所述的终端，其特征在于，所述处理器具体还被配置为执行：
    所述远端UE根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继UE。
  26. 一种网络设备，其特征在于，包括存储器，收发机，处理器：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    会话管理功能SMF根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
    所述SMF将所述确定向中继UE发送的Uu PDB，发送给中继UE。
  27. 根据权利要求26所述的设备，其特征在于，所述处理器具体被配置为执行：
    所述SMF基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
    所述SMF基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
  28. 根据权利要求26所述的设备，其特征在于，所述处理器具体还被配 置为执行：
    所述SMF基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；所述SMF将所述向中继UE发送的5QI，发送给中继UE；或者，
    所述SMF将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
  29. 一种用户终端与网络进行通信的装置，其特征在于，应用于中继用户终端UE，所述装置包括：
    确定单元，用于确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB；
    发送单元，用于向远端用户终端UE发送所述PC5 PDB，以使所述远端UE根据所述PC5 PDB与所述中继UE进行通信；
    通信单元，用于根据会话管理功能SMF发送的Uu PDB与核心网进行通信。
  30. 根据权利要求29所述的装置，其特征在于，所述确定单元，在确定PC5接口的通信时延PC5 PDB和Uu接口的通信时延Uu PDB时，具体用于：
    根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB；或者，
    根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB；或者，
    根据收到的来自所述的SMF的Uu PDB确定所述PC5 PDB。
  31. 根据权利要求30所述的装置，其特征在于，所述装置还包括第一发送单元，用于：
    在确定单元根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB时，或者，
    在确定单元根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB时；
    则将所述Uu PDB发送给所述SMF，以使所述SMF基于所述Uu PDB，根据签约信息和/或运营商策略确定向所述中继UE发送的Uu PDB。
  32. 根据权利要求29所述的装置，其特征在于，所述装置还包括第二发送单元，所述第二发送单元用于：
    接收所述远端UE发送的PC5接口服务质量QoS参数PQI，基于所述PQI，根据所述中继UE的QoS支持能力，确定发送给所述远端UE的PQI，以使所述远端UE使用所述PQI与所述中继UE进行通信；
    根据所述PQI以及PCF发送的PQI和Uu接口服务质量QoS参数5QI的映射关系确定5QI，以使所述中继UE使用所述5QI与核心网进行通信。
  33. 根据权利要求30-32任一项所述的装置，其特征在于，所述确定单元，在根据PC5接口和Uu接口的资源配置信息，确定所述PC5 PDB和所述Uu PDB时，具体用于：
    根据所述PC5接口和所述Uu接口的资源配置信息的大小来确定所述PC5 PDB以及所述Uu PDB；
    其中，所述资源配置较小的接口的通信时延大于，资源配置较大的接口的通信时延；所述PC5 PDB和所述Uu PDB之和为所述中继UE确定的5QI中的通信时延。
  34. 根据权利要求30-32任一项所述的装置，其特征在于，所述确定单元，在根据策略控制功能PCF发送的策略信息，确定所述PC5 PDB和所述Uu PDB时，具体用于：
    根据所述远端UE发送的PC5接口服务质量QoS参数PQI，以及所述PCF发送的PQI和PC5 PDB的映射关系确定所述PC5 PDB；
    将5QI中的通信时延与所述PC5 PDB相减确定所述Uu PDB；
    所述5QI是所述中继UE，根据所述远端UE发送的PQI以及所述PCF发送的PQI和5QI的映射关系确定的。
  35. 根据权利要求30所述的装置，其特征在于，所述确定单元，在根据收到的来自所述的SMF的Uu PDB确定所述PC5 PDB时，具体用于：
    将所述SMF发送的5QI中的通信时延与所述SMF发送的Uu PDB相减确定所述PC5 PDB；
    所述5QI和所述Uu PDB是所述PCF根据所述远端UE发送的PC5 PDB以及业务需求信息确定的，所述PC5 PDB是所述远端UE根据PC5接口的资源配置信息确定的。
  36. 一种用户终端与网络进行通信的装置，其特征在于，应用于远端用户终端UE，所述装置包括：
    接收单元，用于收到中继UE发送的PC5接口的通信时延PC5 PDB，所述PC5 PDB是所述中继UE确定的；
    通信单元，用于使用所述PC5 PDB与所述中继UE进行通信。
  37. 根据权利要求36所述的装置，其特征在于，所述PC5 PDB是所述中继UE确定的，包括：
    所述PC5 PDB是所述中继UE根据PC5接口的资源配置信息确定的；或，
    所述PC5 PDB是所述中继UE根据策略控制功能PCF发送的策略信息确定的；或，
    所述PC5 PDB是所述中继UE根据所述SMF发送的Uu PDB确定的。
  38. 根据权利要求36所述的装置，其特征在于，所述接收单元，还用于：
    接收中继UE发送的PQI；
    若所述PQI中未携带所述PC5 PDB，则所述远端UE根据所述PC5 PDB以及所述PQI，与所述中继UE进行通信；
    若所述PQI中携带所述PC5 PDB，则所述远端UE根据携带所述PC5 PDB的所述PQI，与所述中继UE进行通信。
  39. 根据权利要求36所述的装置，其特征在于，所述装置还包括发送单元，用于：
    根据PC5接口的资源配置信息，确定PC5 PDB并发送给应用服务功能AF，以使所述AF将所述PC5 PDB发送给所述PCF，所述PCF根据所述PC5 PDB以及业务需求信息，确定5QI和Uu PDB并通过SMF发送给所述中继 UE。
  40. 一种用户终端与网络进行通信的装置，其特征在于，包括：
    确定单元，用于根据收到的Uu接口的通信时延Uu PDB，确定向中继UE发送的Uu PDB；
    发送单元，用于将所述确定向中继UE发送的Uu PDB，发送给中继UE。
  41. 根据权利要求40所述的装置，其特征在于，所述确定单元具体用于：
    基于收到的中继UE发送的Uu PDB，根据签约信息和/或运营商策略确定向中继UE发送的Uu PDB；或者，
    基于收到的策略控制功能PCF发送的Uu PDB，确定为向中继UE发送的Uu PDB；所述PCF发送的Uu PDB是所述PCF根据远端UE发送的PC5 PDB以及业务需求信息确定的。
  42. 根据权利要求40所述的装置，其特征在于，所述装置还包括第一发送单元，用于：
    基于收到的中继UE发送的Uu接口服务质量QoS参数5QI，根据签约信息和/或运营商策略确定向中继UE发送的5QI；将所述向中继UE发送的5QI，发送给中继UE；或者，
    将收到的策略控制功能PCF发送的5QI，发送给中继UE；所述PCF发送的5QI是所述PCF根据业务需求确定的。
  43. 一种计算机存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现如权利要求1～7任一所述方法的步骤；或权利要求8～11任一所述方法的步骤；或权利要求12～14任一所述方法的步骤。
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