WO2022156627A1 - 一种无人机通信管理方法及装置 - Google Patents

一种无人机通信管理方法及装置 Download PDF

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Publication number
WO2022156627A1
WO2022156627A1 PCT/CN2022/072317 CN2022072317W WO2022156627A1 WO 2022156627 A1 WO2022156627 A1 WO 2022156627A1 CN 2022072317 W CN2022072317 W CN 2022072317W WO 2022156627 A1 WO2022156627 A1 WO 2022156627A1
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WIPO (PCT)
Prior art keywords
terminal
network
management function
multiple systems
network element
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PCT/CN2022/072317
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English (en)
French (fr)
Inventor
张成晨
朱强华
Original Assignee
华为技术有限公司
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Priority to EP22742106.2A priority Critical patent/EP4280662A4/en
Publication of WO2022156627A1 publication Critical patent/WO2022156627A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18502—Airborne stations
    • H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection

Definitions

  • the embodiments of the present application relate to the field of communications. And more specifically, it particularly relates to the field of unmanned aerial vehicle communication management.
  • drone applications have gradually become popular, ranging from small drones for personal entertainment to various drones that bring economic value. While drones bring various economic benefits and entertainment, they also bring management troubles.
  • the 3rd generation partnership project (3GPP) is working on connected drones (unmanned aerial vehicles, UAV). Connecting the drone to the 3GPP network helps the drone to achieve remote control and is also easy to manage.
  • the UAV and the UAV controller are respectively connected to the 3GPP network, and the two communicate through the 3GPP network. Since UAV networking requires the support of the base station core network for operations such as UAV control, UAVs cannot be networked to perform flight tasks in all areas. Therefore, before the UAV performs command and control (command and control, C2) communication, it generally communicates with the UAS traffic management (UTM) or UAS service provider (UAS service supplier, USS). ) to request authorization. If the current network capability on the flight path does not support the drone to fly online, the establishment of the drone's C2 communication connection will be rejected.
  • UAS traffic management UAS traffic management
  • UAS service provider UAS service supplier
  • the flight path authorization request may not be attempted again after the flight path authorization is denied. This may result in insufficient utilization of network resources and thus the flight service cannot be completed.
  • the network capability in the evolved packet system (EPS) may meet the flight requirements.
  • performing de-registration after flight path authorization is denied, and attaching in the EPS, and retrying the flight path authorization request which may result in a ping-pang phenomenon, e.g. network capabilities in the EPS in this case May also not be able to meet the flight needs.
  • the present application provides a communication management method and device, so that the service management function network element sends first indication information to the session management function network element, where the first indication information indicates whether the terminal can obtain network services through the first system, so as to be efficient and reasonable Manage the drone (terminal) networked flight.
  • a communication management method is performed by a service management function network element, and includes: receiving a first message, where the first message includes network capability information of multiple systems, the multiple systems including available The system selected by the terminal, the network capability information is capability information of at least one of a plurality of systems providing network services for the terminal within a first area and a first time range, the first area includes a planned flight area of the terminal, the first The time frame includes the terminal's planned flight time frame.
  • Whether the terminal can obtain network services through the first system is determined according to the network capability information of the multiple systems, where the first system is one or more of the multiple systems.
  • Send first indication information where the first indication information indicates whether the terminal can obtain network services through the first system.
  • the service management function network element receives the first message, where the first message includes network capability information of multiple systems, and determines whether the terminal can obtain the information through the first system according to the network capability information of the multiple systems.
  • the first system is one or more of a plurality of systems.
  • the service management function network element sends first indication information, where the first indication information indicates whether the terminal can obtain network services through the first system, so as to efficiently and reasonably manage the online flight of the UAV.
  • the first indication information indicates whether the terminal can obtain the network service through the first system, including: the first indication information indicates that the terminal cannot obtain the network service through the first system .
  • the method further includes: the first indication information indicates that the terminal can obtain network services through the second system, wherein the second A system is one or more of a plurality of systems, and the first system and the second system have no intersection.
  • the method further includes: the first indication information indicates that the terminal cannot obtain network services through any one of the multiple systems .
  • the first indication information indicates that the terminal cannot obtain network services through any one of the multiple systems .
  • the method includes: sending a second message, where the second message requests network capability information of multiple systems, wherein the The second message includes the first region and/or the first time frame.
  • the network capability information is at least one allowable value of the multiple systems within the first area and within the first time range.
  • the terminal obtains the area information of the network service or does not allow the terminal to obtain the area information of the network service.
  • the network capability information is at least one of the multiple systems within the first area and within the first time range. There is network coverage area information for obtaining network services for the terminal or there is network coverage area information for obtaining network services for the terminal.
  • a communication management method is provided, the method is executed by a policy management function network element, and includes: determining network capability information of multiple systems, the multiple systems including a system that can be selected by a terminal, the network capability information It is the capability information of multiple systems providing network services for the terminal within a first area and/or a first time range, where the first area includes the terminal's planned flight area, and the first time range includes the terminal's planned flight time range.
  • a first message is sent, where the first message includes network capability information of a plurality of systems.
  • a communication management method is provided, the method is executed by a policy management function network element, and includes: determining network capability information of multiple systems, the multiple systems including a system that can be selected by a terminal, the network capability information is the capability information of the multiple systems to provide network services for the terminal in at least one of a first area and a first time range, where the first area includes the terminal's planned flight area, and the first time range includes the terminal's planned flight time range .
  • first indication information is sent, where the first indication information indicates whether the terminal can obtain network services through the first system, where the first system is one or more of the multiple systems, and The first system includes the terminal's current access system.
  • the above technical solution can indicate whether the terminal can obtain network services through the first system through the first indication information, so as to efficiently and reasonably manage the online flight of the UAV.
  • the first indication information indicates whether the terminal can obtain the network service through the first system, including: the first indication information indicates that the terminal cannot obtain the network service through the first system Serve.
  • the first indication information instructs the terminal to redirect to the second system to obtain the network service, wherein the second A system is one or more of a plurality of systems, and the first system and the second system have no intersection.
  • the first indication information indicates that the terminal cannot obtain network services through any one of the multiple systems.
  • the above technical solution makes the terminal no longer try to request network service in any system, and avoids the phenomenon of ping-pang.
  • the method before determining the network capability information of the multiple systems, the method further includes: receiving a second message, the first The second message requests network capability information of the plurality of systems, the second message includes the first area and/or the first time range. According to the second message, network capability information of the plurality of systems is determined.
  • the network capability information is at least one allowable value of the multiple systems within the first area and within the first time range.
  • the terminal obtains the area information of the network service or does not allow the terminal to obtain the area information of the network service.
  • the network capability information is at least one of the multiple systems within the first area and within the first time range. There is network coverage area information for obtaining network services for the terminal or there is network coverage area information for obtaining network services for the terminal.
  • a communication management method is provided, the method is performed by a session management function network element, and includes: receiving first indication information, the first indication information indicating whether the terminal can use the first system in the first area and At least one of the first time frames obtains network service.
  • the above technical solution can indicate whether the terminal can obtain network services through the first system through the first indication information, so as to efficiently and reasonably manage the online flight of the UAV.
  • the third message indicating whether to allow the terminal to obtain network services through the first system includes: the third message indicating that the terminal is not allowed to obtain network services through the first system.
  • the method further includes: the first indication information instructs the terminal to redirect to the second system to obtain the network service, the The second system is one or more of multiple systems, and the first system and the second system have no intersection, and the third message instructs the terminal to redirect to the second system to obtain network services.
  • the method further includes: the third message indicates that the terminal is not allowed to obtain network services through any one of the multiple systems .
  • the third message indicates that the terminal is not allowed to obtain network services through any one of the multiple systems .
  • a communication management method comprising: a policy management function network element determining network capability information of multiple systems, the multiple systems including systems that can be selected by a terminal, the network capability information being the multiple systems Capability information of the system providing network services for the terminal in at least one of the first area and the first time range.
  • the first area includes the planned flight area of the terminal
  • the first time range includes the planned flight time range of the terminal.
  • the policy management function network element sends a first message to the service management function network element, where the first message includes network capability information of the multiple systems, and the service management function network element determines the terminal capability according to the network capability information of the multiple systems.
  • No network service is obtained through a first system, wherein the first system is one or more of the plurality of systems.
  • the service management function network element sends first indication information to the session management function network element, where the first indication information indicates whether the terminal can obtain network services through the first system, and the session management function network element sends to the terminal according to the first indication information A third message, where the third message indicates whether the terminal is allowed to obtain network services through the first system.
  • the above technical solution can indicate whether the terminal can obtain network services through the first system through the first indication information, so as to efficiently and reasonably manage the online flight of the UAV.
  • a service management function network element including: a receiving module configured to receive a first message, where the first message includes network capability information of multiple systems, and the multiple systems include systems that can be selected by a terminal , the network capability information is at least one capability information of multiple systems providing network services for the terminal within a first area and a first time range, where the first area includes a planned flight area of the terminal, and the first time range includes The terminal's planned flight time range.
  • the determining module determines, according to the network capability information of the multiple systems, whether the terminal can obtain network services through the first system, where the first system is one or more of the multiple systems.
  • a sending module configured to send first indication information, where the first indication information indicates whether the terminal can obtain network services through the first system.
  • the sending module is specifically configured to: the first indication information indicates that the terminal cannot obtain the network service through the first system.
  • the sending module is further configured to: the first indication information indicates that the terminal can obtain the network service through the second system, wherein, The second system is one or more of a plurality of systems, and the first system and the second system have no intersection.
  • the sending module is further configured to: the first indication information indicates that the terminal cannot obtain through any one of the multiple systems Internet service.
  • the first indication information indicates that the terminal cannot obtain through any one of the multiple systems Internet service.
  • the sending module is further configured to: send a second message, where the second message requests network capability information of multiple systems , wherein the second message includes a first region and/or a first time range.
  • the network capability information is at least one allowable value of the multiple systems within the first area and within the first time range.
  • the terminal obtains the area information of the network service or does not allow the terminal to obtain the area information of the network service.
  • the network capability information is at least one of the multiple systems within the first area and within the first time range. There is network coverage area information for obtaining network services for the terminal or there is network coverage area information for obtaining network services for the terminal.
  • a seventh aspect provides a network element with a policy management function, including: a determination module for determining network capability information of multiple systems, where the multiple systems include systems that can be selected by a terminal, and the network capability information is the number of systems in the first At least one of capability information for providing network services for the terminal within an area and a first time range, where the first area includes a planned flight area of the terminal, and the first time range includes a planned flight time range of the terminal.
  • a sending module configured to send a first message, where the first message includes network capability information of multiple systems.
  • a policy management function network element including: a determination module configured to determine network capability information of multiple systems, where the multiple systems include systems that can be selected by a terminal, and the network capability information is multiple systems Capability information of providing network services for the terminal in at least one of a first area and a first time range, where the first area includes a planned flight area of the terminal, and the first time range includes a planned flight time range of the terminal.
  • the sending module sends first indication information according to the network capability information of the multiple systems, where the first indication information indicates whether the terminal can obtain the network service through the first system, where the first system is one of the multiple systems or more, and the first system includes the current access system of the terminal.
  • the above technical solution can indicate whether the terminal can obtain network services through the first system through the first indication information, so as to efficiently and reasonably manage the online flight of the UAV.
  • the sending module is specifically configured to: the first indication information indicates that the terminal cannot obtain the network service through the first system.
  • the sending module is specifically configured to: the first indication information instructs the terminal to redirect to the second system to obtain the network service , wherein the second system is one or more of multiple systems, and the first system and the second system have no intersection.
  • the sending module is further configured to: the first indication information indicates that the terminal cannot obtain through any one of the multiple systems Internet service.
  • the first indication information indicates that the terminal cannot obtain through any one of the multiple systems Internet service.
  • the method before determining the network capability information of the multiple systems, the method further includes: a receiving module, configured to receive a second message , the second message requests network capability information of multiple systems, the second message includes a first area and/or a first time range, and the determining module is further configured to determine network capability information of multiple systems according to the second message.
  • the network capability information is at least one allowable value of the multiple systems within the first area and within the first time range.
  • the terminal obtains the area information of the network service or does not allow the terminal to obtain the area information of the network service.
  • the network capability information is the information of the plurality of systems within the first area and within the first time range. At least one does not have network coverage area information for obtaining network services for the terminal or there is network coverage area information for obtaining network services for the terminal.
  • a network element with a session management function including: a receiving module configured to receive first indication information, where the first indication information indicates whether the terminal can pass the first system in the first area and in the first time range At least one of them gets network service.
  • a sending module configured to send a third message to the terminal according to the first indication information, where the third message indicates whether to allow the terminal to obtain network services through the first system, wherein the first area includes a planned flight area of the terminal, and the first The time range includes a planned flight time range of the terminal, the first system is one or more of a plurality of systems including systems available for selection by the terminal, and the first system includes a current access system of the terminal.
  • the above technical solution can indicate whether the terminal can obtain network services through the first system through the first indication information, so as to efficiently and reasonably manage the online flight of the UAV.
  • the sending module is specifically configured to: the third message indicates that the terminal is not allowed to obtain the network service through the first system.
  • the sending module is specifically configured to: the third message instructs the terminal to redirect to the second system to obtain network services, wherein , the second system is one or more of a plurality of systems, and the first system and the second system have no intersection.
  • the sending module is specifically configured to: the third message indicates that the terminal is not allowed to obtain through any one of the multiple systems. Internet service.
  • the third message indicates that the terminal is not allowed to obtain through any one of the multiple systems. Internet service.
  • a service management function network element comprising: at least one processor, a memory and a transceiver, where the memory is used for storing instructions, the transceiver is used for the service management function network element to communicate with other devices, the storage
  • the instructions are directly or indirectly executed by the at least one processor, so that the service management function network element can execute the method in the first aspect or any optional implementation manner of the first aspect.
  • a policy management function network element comprising: at least one processor, a memory and a transceiver, where the memory is used for storing instructions, the transceiver is used for the policy management function network element to communicate with other devices, the The stored instructions are directly or indirectly executed by the at least one processor, so that the policy management function network element can execute the method in the second aspect, the third aspect, or any optional implementation manner of the third aspect.
  • a twelfth aspect provides a session management function network element, comprising: at least one processor, a memory and a transceiver, where the memory is used for storing instructions, the transceiver is used for the session management function network element to communicate with other devices, the The stored instructions are directly or indirectly executed by the at least one processor, so that the session management function network element can execute the method in the fourth aspect or any optional implementation manner of the fourth aspect.
  • a thirteenth aspect provides a chip system, including: at least one processor, where the at least one processor is configured to execute stored instructions, so that the service management function network element can execute the first aspect or any optional one of the first aspect method in the implementation.
  • a fourteenth aspect provides a chip system, comprising: at least one processor, where the at least one processor is configured to execute stored instructions, so that the policy management function network element can execute the second aspect, the third aspect or the third aspect A method in any optional implementation.
  • a fifteenth aspect provides a chip system, comprising: at least one processor configured to execute stored instructions, so that the session management function network element can execute the fourth aspect or any optional one of the fourth aspect method in the implementation.
  • a sixteenth aspect provides a computer storage medium, the computer storage medium stores a program instruction, when the instruction is executed, the service management function network element can execute the first aspect or any optional of the first aspect. method in the implementation.
  • a seventeenth aspect provides a computer storage medium, the computer storage medium stores program instructions, when the instructions are executed, the policy management function network element can perform any of the second aspect, the third aspect or the third aspect.
  • a computer storage medium stores a program instruction, when the instruction is executed, the session management function network element can execute the fourth aspect or any optional of the fourth aspect. method in the implementation.
  • a nineteenth aspect provides a computer program product, the computer program product includes instructions, when the instructions are executed, the service management function network element can execute the first aspect or any optional implementation manner of the first aspect method in .
  • a computer program product comprising instructions that, when executed, enable a policy management function network element to perform any one of the second aspect, the third aspect or the third aspect. method in the chosen implementation.
  • a twenty-first aspect provides a computer program product, the computer program product comprising instructions that, when executed, enable a network element with a session management function to perform the fourth aspect or any optional one of the fourth aspect method in the implementation.
  • a twenty-second aspect provides a system, where the system includes the service management function network element described in the first aspect or any optional implementation manner of the first aspect; and/or as described in the second aspect, the first aspect
  • FIG. 1 is a schematic diagram of a network system architecture applicable to the embodiment of the present application.
  • FIG. 2 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a communication method provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another communication method provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of another communication method provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a communication method provided by an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a service management function network element according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a network element with a policy management function according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a network element with a session management function according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • the terminal device in the embodiment of the present application may communicate with another terminal via an access network (access network, AN) device and a core network (core network, CN).
  • the terminal device in this embodiment of the present application may refer to an unmanned aerial vehicle (UAV), or may be a user equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user equipment.
  • UAV unmanned aerial vehicle
  • UE user equipment
  • the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks or terminals in the future evolution of the public land mobile network (PLMN) equipment, etc., which are not limited in this embodiment of the present application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • PLMN public land mobile network
  • FIG. 1 is a schematic block diagram of an example wireless communication system architecture applicable to the present application.
  • the system architecture includes a terminal device, a radio access network (RAN), a core network device, and a data network (DN). It adopts a service-based representation.
  • the terminal device in FIG. 1 can be used to connect to a radio access network device deployed by an operator through a wireless air interface, and then connect to a data network through a core network device.
  • Radio access network equipment is mainly used to implement functions such as wireless physical layer functions, resource scheduling, radio resource management, radio access control, and mobility management; core network equipment (also known as management equipment) is mainly used for terminal equipment. Registration, security authentication, mobility management and location management, etc. It should be noted that FIG.
  • FIG. 1 is only an exemplary architecture diagram.
  • the network architecture may further include other functional units or functional network elements, which are not limited in this embodiment of the present application.
  • FIG. 1 is based on a 5G system architecture, and may also be based on other system architectures, such as an LTE system, which is not limited in this embodiment of the present application.
  • the terminal device shown in FIG. 1 can be any of the above-mentioned possible terminal devices, for example, it can be a mobile phone, a computer, a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, Smartphones, wireless local loop (WLL) stations, personal digital assistants (PDAs), computers, laptops, handheld communication devices, handheld computing devices, satellite wireless devices, wireless modems Cards, set top boxes (STBs), customer premise equipment (CPEs), and/or other devices used to communicate over wireless systems.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • computers laptops, handheld communication devices, handheld computing devices, satellite wireless devices, wireless modems Cards, set top boxes (STBs), customer premise equipment (CPEs), and/or other devices used to communicate over wireless systems.
  • STBs set top boxes
  • CPEs customer premise equipment
  • the above-mentioned wireless access network equipment can be an access network (access network, AN)/radio access network (radio access network, RAN) equipment, a network composed of multiple 5G-AN/5G-RAN nodes, the 5G-AN /5G-RAN nodes can be: access point (AP), next-generation base station (NR nodeB, gNB), central unit (central unit, CU) and distributed unit (distributed unit, DU) separate form gNB , a transmission receive point (TRP), a transmission point (TP), or some other access node.
  • access network access network
  • AN access network
  • RAN radio access network
  • the 5G-AN /5G-RAN nodes can be: access point (AP), next-generation base station (NR nodeB, gNB), central unit (central unit, CU) and distributed unit (distributed unit, DU) separate form gNB , a transmission receive point (TRP),
  • the above-mentioned core network equipment may include: unified data management network element (unified data management, UDM), access and mobility management function network element (access and mobility management function, AMF), session management function network element element (session management function, SMF), policy control function (policy control function, PCF), application function (application function, AF), user plane function (user plane function, UPF), network open function network Network exposure function (NEF), network repository function (NRF), network slice selection function (NSSF), authentication server function (AUSF) Wait.
  • These functional units can work independently, or can be combined together to achieve some control functions, such as: AMF, SMF and PCF can be combined as a management device to complete access authentication, security encryption, location registration, etc.
  • Access control and mobility management functions, as well as session management functions such as establishment, release and modification of user plane transmission paths, and functions for analyzing some slice-related data (such as congestion) and terminal equipment-related data.
  • each functional unit can establish a connection through a next generation network (NG) interface to realize communication, for example, a terminal device communicates with a RAN device through a new radio (NR) interface.
  • NG next generation network
  • NR new radio
  • UPF establishes user plane data connection;
  • RAN device can establish control plane signaling connection with AMF through NG interface 2 (N2 for short);
  • UPF can exchange user plane data with data network through NG interface 6 (N6 for short).
  • Each core network element can communicate with other core network elements through a corresponding interface. For example, other core network network elements may communicate with the NSSF through the Nnssf interface, and other core network network elements may communicate with the NEF through the Nnef interface, and so on.
  • the part shown in FIG. 1 is only an exemplary architecture diagram.
  • the network architecture may also include other functional units or functional network elements, which are implemented in this application. This example is not limited.
  • the radio access network device in this embodiment of the present application may be a device for communicating with a terminal device and a core network device
  • the radio access network device may be a global system of mobile communication (GSM) System or base station (base transceiver station, BTS) in code division multiple access (code division multiple access, CDMA), or base station (NodeB, NB) in wideband code division multiple access (WCDMA) system ), it can also be an evolved base station (evolutional nodeb, eNB or eNodeB) in the LTE system, it can also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or the access network equipment It may be a relay station, an access point, a vehicle-mounted device, a wearable device, a network device in a 5G network, or an access network device in a future evolved PLMN network, which is not limited in this embodiment of the present application.
  • GSM global system of mobile communication
  • BTS base transceiver station
  • CDMA
  • the unmanned aerial system consists of a UAV controller and an UAV. Due to the particularity of the airspace that drones need to occupy, the regulatory authorities need to identify and control them in a timely manner.
  • the 3rd generation partnership project (3GPP) network introduces a new entity, the unmanned system traffic management entity.
  • aerial system traffic management, UTM can store UAV controller and UAV related data, such as identification information, owner information, path information, current location, operating status, etc.
  • UTM can be used for UAV controller and UAV pairing, identification without Human-machine system, authorizes the operation of the UAV system, and can also manage and intervene in the communication between the UAV controller and the UAV, etc.
  • the UAV system traffic management entity can also have other names. The application does not limit the name and deployment method of the entity.
  • FIG. 2 shows a schematic diagram of an application scenario of an embodiment of the present application.
  • the UAS 200 can perform information exchange and wireless communication with the network system with the UTM traffic management entity UTM203.
  • the UAV controller 201 or the UAV 202 can exchange information with an access network (radio access network, RAN) 204 and a core network (core network, CN) 205, and can also exchange information through the access network 204 or the core network 205 and UTM 203 for information exchange;
  • UAV controller 201 can also exchange information with UAV 202 through access network 204 or core network 205, and can also exchange information with UAV 202 through UTM 203.
  • the UAV controller 201 and the UAV 202 may be in the same access network or core network, or may be in different access networks or core networks, which is not limited in this embodiment of the present application.
  • Unmanned aerial vehicle UAV202 also known as unmanned aircraft and aerial robot, is an unmanned aircraft using radio remote control equipment and self-provided program control device, which can complete aerial flight tasks and various tasks under unmanned conditions. load task.
  • the UAVs in the embodiments of the present application may be unmanned helicopters, fixed-wing aircraft, multi-rotor aircraft, unmanned airships, and unmanned paragliders; and may also include near-space vehicles, such as stratospheric airships, high-altitude balloons, solar-powered drones Human-machine, etc.; it can also be four-axis, six-axis, single-axis, vector control and other forms of drones.
  • the drones in the embodiments of the present application can be used in the fields of military, industry, civil use, agriculture, construction, film and television, environmental protection, etc., as well as special industries that use drones for operations, such as using drones for military reconnaissance, patrol, Aerial photography, environmental monitoring, border monitoring, express delivery, power inspection, confirmation of rights, flood control and drought relief, post-disaster rescue, etc.
  • This embodiment of the present application does not limit this.
  • unmanned aerial vehicles the specific type of the drone is not limited herein.
  • the names of devices with unmanned aircraft functions may be different in order to be applied to different scenarios or to complete different aerial missions.
  • unmanned aerial vehicles the above-mentioned devices capable of unmanned aircraft functions are collectively referred to as unmanned aerial vehicles.
  • the UAV 202 may be equipped with various sensors or functional modules, such as gyroscopes (flight attitude perception), accelerometers, geomagnetic induction, barometric pressure sensors (rough hover height control), ultrasonic sensors (low altitude precision control or obstacle avoidance) , optical flow sensor (hovering horizontal position is accurately determined), global positioning system (global positioning system, GPS) module (horizontal position height rough positioning), control circuit, compass, etc., by collecting the angular rate, attitude, position of the UAV , acceleration, altitude and airspeed, etc., can automatically maintain the normal flight attitude of the drone.
  • sensors or functional modules such as gyroscopes (flight attitude perception), accelerometers, geomagnetic induction, barometric pressure sensors (rough hover height control), ultrasonic sensors (low altitude precision control or obstacle avoidance) , optical flow sensor (hovering horizontal position is accurately determined), global positioning system (global positioning system, GPS) module (horizontal position height rough positioning), control circuit, compass, etc.,
  • each functional module may also have other names, which are not limited in the embodiments of the present application.
  • the unmanned aerial vehicle in the embodiment of the present application may also have more or less functional modules, and may also implement more or less functions, etc., and the embodiment of the present application does not limit this in any way.
  • the unmanned aerial vehicle controller (UAV controller, UAVC) 201 is used to control the unmanned aerial vehicle 202, for example, to control the flying state or the flying action of the unmanned aerial vehicle.
  • the drone controller can be a smartphone, tablet, laptop, smart watch or smart remote control, traditional remote control, dedicated remote control, etc. It can also be a bracelet, ring, gloves, armband, watch, etc. Can be used for gestures
  • the device for controlling the drone can also be a headgear such as a headgear that can be used to control the drone with a mind, or a device such as a smart jacket or jacket that can be used to control the drone by the user's body movements.
  • the specific type of the UAV controller is not limited herein.
  • the name and form of the device with the function of the drone controller may be different.
  • the above-mentioned devices capable of having the function of a drone controller or capable of controlling the drone are collectively referred to as a drone controller.
  • the drone controller 201 can control the flight state of the drone 202.
  • the drone controller can control the direction, aileron, lift, tilt, speed, throttle, flaps, etc. of the drone, and can also control Actions such as turning, climbing, diving, rolling, hovering, taking off, and landing of the UAV are not limited in this embodiment of the present application.
  • the UAV system 200 may include one or more UAV controllers 201 and one or more UAVs 202 .
  • a drone controller can control one or more drones
  • a drone can also be controlled by one or more drone controllers
  • multiple drone controllers can cooperate to control multiple drones.
  • Human-machine which is not limited in this embodiment of the present application.
  • the UAV 202 in the UAV system 200 can be any one or more types mentioned above, and the UAV controller 201 can also be any one or more types mentioned above.
  • the embodiment does not make any limitation on this.
  • the user plane link is used to transmit messages from the UAV controller or UTM to the UAV with command and control information for UAV operation, or to report telemetry data from the UAV to its UAV controller or UTM. Simply put, it is the communication between UAV and UAVC.
  • the implicit meaning of UAV network flight is to establish a C2 communication session, and UAVC can control UAV to perform UAV operation through this session.
  • Network capability information information on the capability of multiple systems to provide network services to terminals within the first area and/or within the first time range, which may be whether the network can meet the terminal networking requirements at a specified time and place, for example, at a specified time and place. Whether there is network coverage at the time and place, and whether the terminal is allowed to connect to the Internet to perform corresponding operations, etc.
  • the network capability information may also be referred to as mobility restriction information, network mobility restriction information, etc., which is not limited in this application.
  • FIG. 3 is a schematic flowchart of a method for network management of UAVs according to an embodiment of the present application, and the method can be applied to FIG. 2
  • the shown scenario can also be applied to other communication scenarios, which is not limited in this embodiment of the present application.
  • the service management function network element sends a second message to the policy management function network element.
  • the business management function network element is a network element used to provide business services for the UAV.
  • the business management function network element may be a UTM network element or an unmanned aerial vehicle system service provider (UAS service supplier, USS). network element.
  • the policy management function network element is a network element used to provide functions such as policy rules.
  • the policy management function network element may be a policy and charging rule function ( policy and charging rules function, PCRF) network element, in 5G, the policy management function network element can be a PCF network element.
  • the service management function network element sends a second message to the policy management function network element, and accordingly, the policy management function network element receives the second message from the service management function network element, where the second message is used to request network capability information of multiple systems.
  • the second message includes a first area and/or a first time range, and it should be understood that the first area includes a planned flight area of the terminal, such as a departure location, a destination, a waypoint, etc.; the first time range Including the planned flight time range of the terminal, such as take-off time, landing time, etc. This embodiment of the present application does not limit this.
  • the second message may add new content to an existing message, or may exist in the form of a new message type.
  • the second message may also be a network capability subscription or network capability request message. This embodiment of the present application The existence form of the message is not limited.
  • the second message may be directly sent by the service management function network element to the policy management function network element, or may be sent through other network elements.
  • the second message may be first sent by the service management function network element to other networks.
  • the second message is sent by other network elements to the policy management function network element. This embodiment of the present application does not limit how the second message is sent.
  • network elements here may be network open network elements or other core network network elements, which are not limited in this embodiment of the present application.
  • the network opening network element is a network element used to transmit internal and external information.
  • the network opening network element may be a service capability exposure function (SCEF) network.
  • SCEF service capability exposure function
  • the network opening network element may be a network opening function network element, and the network opening network element may also be a UAV flight enablement subsystem (UAV flight enablement subsystem, UFES) network element. This is not limited.
  • the second message may be a converted message.
  • the network opening network element converts the location information represented in the geographic form in the second message into location information represented in the form of a cell identifier or a tracking area identifier list, and then converts the location information in the form of a cell identifier or a tracking area identifier list.
  • the second message sends the policy management function network element. It should be understood that the network opening network element may also not convert the location information, and directly forward the second message represented by the location information in the geographic form to the policy management function network element, which is not limited in this embodiment of the present application.
  • step S310 is an optional step, and it can be understood that the service management function network element may not request network capability information of multiple systems from the policy management function network element.
  • the policy management function network element determines network capability information of multiple systems.
  • the policy management function network element may have a list of mobility restriction information in multiple systems used to protect other terminals in the network from interference from terminal operations (such as drone-related operations), such as in-flight use in certain areas
  • the UAV connection of the C2 communication is not preferred or should be prohibited.
  • the movement restriction information list here may include the area information that allows the terminal to obtain network services through the network or the area information that does not allow the terminal to obtain network services through the network.
  • the mobile restriction information list may also include time information, that is, the time range in which the terminal is allowed or not allowed to obtain network services through the network.
  • the mobile restriction information list may also include network coverage in multiple systems, such as the presence or absence of network coverage providing network services for C2 communication in certain areas.
  • time information may also be included in the mobile restriction information list, that is, the network coverage that provides network services for C2 communication exists or does not exist within a certain time range. Therefore, the policy management function network element can determine the network capability information of multiple systems according to the flight path information of the terminal.
  • multiple systems may be 5GS systems or EPS systems, and may also be other systems, which are not limited in this embodiment of the present application.
  • the network capability information can be a list of allowed or disallowed tracking area identities/cell identities (which may contain time information, i.e. allowed or disallowed time ranges), or a tracking area that exists to provide network coverage for C2 communications List of identities/cell identities (may contain time information, i.e. time range of presence or absence).
  • the network capability information may also include altitude information.
  • the network capability information includes but is not limited to the above-mentioned network coverage and mobility restriction information, etc., which are not limited in this embodiment of the present application.
  • the service management function network element receives the first message from the policy management function network element.
  • the policy management function network element determines the network capability information of the multiple systems according to the flight path of the terminal, and sends a first message to the service management function network element, where the first message includes the network capability information of the multiple systems, and accordingly, The service management function network element receives the first message from the policy management function network element.
  • the first message may be directly sent by the policy management function network element to the service management function network element, or may be sent by the policy management function network element to other network elements, and then forwarded to the service management function network element by the other network elements.
  • the present application does not limit the sending manner of the first message here.
  • the other network elements here are similar to the other network elements in S310, and are not repeated here.
  • the first message may be a converted message.
  • the network opening network element converts the location information represented in the form of cell identifiers or tracking area identifiers in the first message into location information represented in geographic form, and then manages the sending service of the first message represented by location information in geographic form.
  • functional network element may also not convert the location information, and directly forward the first message in which the location information is represented in the form of a cell identifier or a tracking area identifier list to the service management function network element, which is not limited in this embodiment of the present application. .
  • the policy management function network element may convert the location information represented in the form of a cell identifier or a tracking area identifier list into a geographic representation. location information, and then send the first message represented by the location information in geographic form to the service management function network element. It should also be understood that the policy management function network element may also not convert the location information, and directly forward the first message in which the location information is represented in the form of a cell identifier or a tracking area identifier list to the service management function network element. Not limited.
  • the service management function network element sends the first indication information to the session management function network element.
  • the session management function network element is a network element used for managing terminal communication.
  • the session management function network element may be a mobility management entity (mobility management entity, MME) network element or control plane packet data A network gateway (packet data network gateway for control plane, PGW-C).
  • MME mobility management entity
  • PGW-C packet data network gateway for control plane
  • the session management function network element may be an SMF network element or an AMF network element, which is not limited in this embodiment of the present application.
  • the service management function network element sends the first indication information to the session management function network element, and accordingly, the session management function network element receives the first indication information from the service management function network element.
  • the first indication information is used to indicate whether the terminal can obtain network services through multiple systems.
  • the network element of the service management function after receiving the network capability information of multiple systems on the flight path of the terminal, the network element of the service management function, according to the network capability information of at least one first system in the multiple systems, on the flight path If C2 communication is not supported, it is determined that the terminal cannot obtain network services through the first system. In this case, first indication information is sent to the session management function network element, where the first indication information indicates that the terminal cannot obtain network services through the first system.
  • C2 communication is not supported on the flight path
  • the first system cannot provide the terminal with the network required for C2 communication during flight within the area and/or the planned flight time of the terminal.
  • the first system does not allow the terminal to provide network services required for C2 communication during the flight in the area where the terminal plans to fly and/or within the time range of the planned flight, or the first system is within the area where the terminal plans to fly And/or within the time range of the planned flight, there is no network coverage for the terminal to provide network services required for C2 communication and the like during flight.
  • non-support of C2 communication here may also refer to partial non-support, for example, the first system cannot provide C2 communication for the terminal during flight in part of the area and/or part of the planned flight time of the terminal.
  • the required network service is not limited in this embodiment of the present application. The following unsupported or supported scenarios are based on the above understanding and will not be repeated.
  • the network element of the service management function after receiving the network capability information of multiple systems on the flight path of the terminal, the network element of the service management function, according to the network capability information of at least one first system in the multiple systems, performs It is determined that the terminal cannot obtain network services through the first system, but the network capability information of the second system in the multiple systems supports C2 communication on the flight path, and the first system and the second system have no intersection.
  • first indication information is sent to the session management function network element, where the first indication information indicates that the terminal can obtain network services through the second system.
  • the network element of the service management function after receiving the network capability information of the multiple systems on the path of the terminal, the network element of the service management function, according to the network capability information of any one of the multiple systems, does not change the network capability on the flight path.
  • Support C2 communication make sure that the terminal cannot obtain network services through any system.
  • first indication information is sent to the session management function network element, where the first indication information indicates that the terminal cannot obtain network services through any one of the multiple systems.
  • the network element of the service management function determines, according to the received network capability information of the multi-system, that the network capabilities of some cells on the terminal flight path or the tracking area do not support C2 communication, but the terminal flight path supports C2 communication. Some cells or tracking areas for C2 communication can support terminal flight, for example, cells or tracking areas whose network capability supports C2 communication are connected. Then, the network element of the service management function believes that the UAV can bypass some geographical areas that do not support C2 communication to complete the flight mission. It should be noted that the network element of the service management function can determine whether the UAV can be connected to the Internet to complete the flight task when the network capability of some cells or tracking areas does not support C2 communication according to the local configuration.
  • the service management function network element may also indicate a preferred system to the network open function network element.
  • the network capability in 5GS supports C2 communication, but the network capability in EPS does not support C2 communication, then the service The management function network element indicates a preference for 5GS.
  • the network open network element can perceive the current UAV access system.
  • the current UAV access is 5GS, and the network capability support indication information is sent to the session management function network element to indicate that the network capability can support the terminal to obtain network services through the current system. , otherwise send redirection indication information to the session management function network element.
  • the network opening network element does not perceive the system currently accessed by the UAV, the preferred system is sent to other network elements. This embodiment of the present application does not limit this.
  • the first indication information may also be network capability information.
  • the service management function network element can directly The network capability information is sent to the session management function network element, and the session management function network element determines to send the first indication information according to the network capability information of multiple systems, which will not be repeated in this application.
  • the first indication information may also be sent by the policy management function network element to the session management function network element.
  • the policy management function network element determines network capability information of multiple systems, and determines to send the first indication information to the session management function network element according to whether the network capability information of the multiple systems supports C2 communication on the flight path. This embodiment of the present application does not limit this.
  • the policy management function network element determines that the terminal cannot obtain network services through the first system according to the network capability information of at least one of the multiple systems, the first system does not support C2 communication on the flight path, and the The first system includes the terminal's current access system.
  • first indication information is sent to the session management function network element, where the first indication information indicates that the terminal cannot obtain network services through the first system.
  • the policy management function network element determines that the terminal cannot obtain network services through the first system according to the network capability information of at least one of the multiple systems, the first system does not support C2 communication on the flight path, The first system includes the terminal's current access system. However, the network capability information of the second system among the multiple systems supports C2 communication on the flight path, and the first system and the second system have no intersection. In this case, first indication information is sent to the session management function network element, where the first indication information instructs the terminal to be redirected to the second system to obtain network services.
  • the network element of the policy management function does not support C2 communication on the flight path according to the network capability information of any one of the multiple systems, and determines that the terminal cannot obtain network services through any one system.
  • first indication information is sent to the session management function network element, where the first indication information indicates that the terminal cannot obtain network services through any system.
  • the policy management function network element can also directly send the network capability information of multiple systems to the session management function network element, and the session management function network element determines to send the first indication information according to the network capability information of the multiple systems. The application will not be repeated here.
  • the policy management function network element may also determine, according to the received network capability information of the multi-system, that even if the network capability of the terminal in some cells or tracking areas on the flight path does not support C2 communication To complete the flight, for example, a path can be planned between any flight start point and destination, and the network capability supports the cells or tracking areas passed on this path. It should be understood that the policy management function network element can determine whether the UAV can be connected to the network to complete the flight mission when the network capability of some cells or tracking areas does not support C2 communication according to local configuration or an instruction from the service management function network element.
  • the session management function network element sends a third message to the terminal according to the first indication information.
  • the session management function network element sends a third message to the terminal according to the received first indication information, and accordingly, the terminal receives the third message.
  • the third message may be a session establishment/modification accept message, a session establishment/modification reject message, a connection establishment/modification accept message, a connection establishment/modification reject message, a session release message or a connection release message, or other types of messages.
  • the first indication information may be sent by a service management function network element or a policy management function network element, and this embodiment of the present application does not limit the source of the first indication information.
  • the session or connection here refers to a protocol data unit (PDU) session in 5GS and a packet data network (PDN) connection of EPS respectively.
  • PDU protocol data unit
  • PDN packet data network
  • the session or connection here may be used for C2 communication, i.e. communication between UAV and UAVC.
  • the third message may carry a cause value, and the cause value may correspond to a network capability unsupported or a redirection indication.
  • the specific situations corresponding to the two different cause values will be introduced separately below.
  • the first indication information received by the session management function network element indicates that the terminal cannot obtain network services through the first system.
  • the session management function network element sends a third message to the terminal, the first The corresponding cause value in the third message is that the network capability is not supported, and the cause value may simultaneously indicate an unsupported system, that is, the first system does not support.
  • the first system includes the current access system of the terminal. Then, the terminal does not attempt to establish a session for C2 communication with the UAVC in the first system.
  • the first indication information received by the session management function network element indicates that the terminal cannot obtain network services through any one of the multiple systems.
  • the session management function network element sends a third message to the terminal, where the corresponding cause value in the third message is unsupported by the network capability, and the cause value may also indicate that no attempt is made to obtain network services from the current system and other systems. Then the terminal does not try to establish a session for C2 communication with the UAVC in any system.
  • the first indication information received by the session management function network element indicates that the terminal cannot obtain network services through the first system, and the first system includes the current access system of the terminal, but can be obtained through the second system Internet service.
  • the session management function network element sends a third message to the terminal, and the corresponding cause value in the third message is a redirection indication.
  • the terminal may take various measures to leave the current system and redirect to the system indicated by the redirection, that is, to redirect to the second system.
  • the cause value may directly indicate a second system that may be redirected, including one or more systems.
  • the reason value may not directly indicate a second system that can be redirected. It should be understood that this embodiment of the present application does not limit this.
  • the cause value indicates redirection to EPS
  • the terminal leaves the current system and redirects to EPS.
  • the manner in which the terminal leaves the current system may include disabling the N1 mode capability, deregistering, deactivating the E-UTRA capability, deattaching, etc. It should be understood that this is not limited in this embodiment of the present application.
  • the session management function network element may provide a timer, and the timer may include the system currently trying to access. After the timer expires, the terminal An attempt may be made to establish a session with the UAVC for C2 communication again in the system.
  • FIG. 4 is a schematic flowchart of a method for communication management according to an embodiment of the present application. As shown in FIG. 4 , the method includes:
  • S410 is an optional step.
  • the session management function network element receives the session/connection establishment request from the terminal.
  • the UAV initiates a session/connection establishment process, where the session/connection may be a session/connection for C2 communication.
  • the session establishment procedure or the connection establishment procedure may also be a session modification procedure or a connection modification procedure, and the corresponding establishment request/establishment acceptance/establishment rejection may be modification request/modification command/modification rejection. This embodiment of the present application does not limit this.
  • the session management function network element sends a first authentication request to the service management function network element.
  • the service management function network element receives the first authentication request from the session management function network element, where the first authentication request may be an authentication/authorization request.
  • the first authentication request may be directly sent by the session management function network element to the service management function network element, or may be sent by the session management function network element to other network elements, and then forwarded by the other network elements to the service management function network element.
  • the present application does not limit the sending manner of the first message here.
  • step S410 if step S410 is performed, the flight path information is not included in S420 and S430, and the first authentication request is only used for an authorization request for C2 communication.
  • step S410 if step S410 is not executed, the flight path information is included in S420 and S430, and the first authentication request is not only used for the authorization request of C2 communication, but also used for the flight path Authorization request, the specific authorization method is not repeated here.
  • steps S420 and S430 may be performed.
  • steps S420 and S430 may also be executed after step S480 and before step S490. It should be understood that the embodiment of the present application does not limit the execution order of the steps herein.
  • the service management function network element sends a second message to the network opening network element.
  • the second message is used to request network capability information of multiple systems.
  • the second message includes a first area and/or a first time range, and it should be understood that the first area includes a planned flight area of the terminal, such as a departure location, a destination, a waypoint, etc.; the first time range Including the planned flight time range of the terminal, such as take-off time, landing time, etc. This embodiment of the present application does not limit this.
  • the second message may add new content to an existing message, or may exist in the form of a new message type.
  • the second message may also be a network capability subscription or network capability request message. This embodiment of the present application The existence form of the message is not limited.
  • the network opening network element converts the location information represented in the geographic form into the location information represented in the form of a cell identifier or a tracking area identifier list.
  • the network element of the network opening function converts the location information represented in the geographic form in the second message into the location information represented in the form of a cell identifier or a tracking area identifier list, and then sends the converted second message to the policy management function network element.
  • S450 is an optional step, and it can be understood that the network opening function network element may not convert the location information, but directly forwards the second message of the location information represented in the geographic form to the policy management function network element, which is implemented in this application.
  • the example does not limit this.
  • the network opening network element sends the second message to the policy management network element.
  • step S450 the location information in the second message exists in the form of a list of cell identifiers or tracking area identifiers, and the network opening network element sends the converted second message to the policy management function network element. If S450 is not executed, the location information in the second message exists in a geographic form, and the network opening network element forwards the unconverted second message to the policy management function network element.
  • the second messages in step S440 and step S451 may be of the same message type, or may be of different message types.
  • the network opening network element includes the content of the received second message in another type of message (also referred to as a second message here), and sends it to the policy management function network element.
  • the policy management function network element determines network capability information of multiple systems.
  • the policy management function network element may determine the network capability information of the multiple systems after receiving the second message, or may determine the network capability information of the multiple systems without receiving the second message. This embodiment of the present application does not limit this.
  • the session management function network element after receiving the session/connection establishment request from the terminal, the session management function network element requests policy information from the policy management function network element, thereby triggering the policy management function network element to determine the network of multiple systems capability information.
  • the network opening network element receives the first message from the policy management function network element.
  • the network opening network element converts the location information represented in the form of the cell identifier or the tracking area identifier list into the location information represented in the geographic form.
  • S471 is an optional step, and it can be understood that the network opening network element may not convert the location information, but directly forwards the first message of the location information represented in the geographic form to the service management function network element. This embodiment of the present application This is not limited.
  • the service management function network element receives the first message forwarded by the network opening network element, where the first message includes network capability information of multiple systems.
  • the first messages in S470 and S480 may be messages of the same type, or may be messages of different types, which have been described in step S451 and will not be repeated here.
  • the service management function network element sends the first indication information to the session management function network element.
  • the session management function network element sends a third message to the terminal according to the first indication information.
  • the third message may be a session/connection establishment rejection message, a session/connection establishment accept message, a session/connection modification command message, a session/connection modification rejection message, a session/connection release message, etc. It should be understood that this application implements The example does not limit this.
  • the session management function network element sends a session/connection establishment rejection message (that is, a third message) to the terminal. ), the message carries a cause value, which corresponds to unsupported network capability, and the cause value may simultaneously indicate an unsupported system, that is, the first system does not support it.
  • the session management function network element sends a session/connection establishment release message (that is, the first session/connection establishment release message) to the terminal.
  • the message carries a reason value, which corresponds to the network capability not supported, and the reason value may also indicate an unsupported system, that is, the first system does not support it.
  • the session management function network element sends a session/connection establishment rejection to the terminal
  • the message ie, the third message
  • the reason value may also be used to instruct not to try to obtain network services from the current system and other systems at the same time.
  • the session management function network element sends a session/connection establishment message to the terminal
  • the release message (ie, the third message) carries a reason value, which corresponds to unsupported network capabilities.
  • the reason value may also be used to indicate not to try to obtain network services from the current system and other systems at the same time.
  • the session management function network element sends a session/connection establishment rejection message (ie, a third message) to the terminal, and the message carries a reason value, which corresponds to a redirection indication.
  • the session management function network element sends a session/connection establishment release message (ie, a third message) to the terminal, and the message carries a reason value, which corresponds to a redirection indication.
  • the third message includes specific situations corresponding to two different cause values (unsupported network capability and redirection indication) and the behavior of the terminal after receiving the corresponding indication is as described in S350, which will not be repeated here.
  • FIG. 5 is a schematic flowchart of a method for communication management according to an embodiment of the present application. As shown in FIG. 5 , the method includes:
  • a flight path authorization process is performed between the terminal and the service management function network element.
  • step S510 is the same as that described in step S410, and details are not repeated here.
  • the terminal sends a registration request to the mobility management network element.
  • the mobility management network element sends a registration response to the terminal.
  • the mobility management network element is a network element used to manage the mobility of the terminal.
  • the mobility management network element may be an MME network element
  • the mobility management network element may be an AMF network element. Yuan. This embodiment of the present application does not limit this.
  • the mobility management network element confirms that the UAV is allowed to register with the 3GPP network as a common UE, and if it is determined whether the UAV needs to be further authenticated and authorized to perform the UAV operation, it is optional to send the registration acceptance message and include the information to be authenticated and authorized by the UAV. Indication (pending UUAA).
  • the UAV authentication and authorization instruction is used to indicate that the UAV has passed the authorization and authentication of the 3GPP system, but the 3GPP system still needs to request further UAV authentication and authorization from the USS/UTM. Cannot initiate C2 communication with UAVC.
  • the registration acceptance message may also not include the pending UAV authentication authorization indication, which is not limited in this embodiment of the present application.
  • the mobility management network element sends a first authentication request to the service management function network element.
  • the service management function network element sends a second message to the network opening function network element.
  • the network opening function network element converts the location information represented in the geographic form into the location information represented in the form of a cell identifier or a tracking area identifier list.
  • the policy management function network element sends a first message to the network opening function network element.
  • the policy management function network element determines the network capability information of the multiple systems.
  • the service management function network element receives the first message from the policy management function network element.
  • the network element of the network opening function converts the location information represented in the form of the cell identifier or the tracking area identifier list into the location information represented in the geographic form.
  • the service management function network element receives the first message forwarded by the network opening function network element, where the first message includes network capability information of multiple systems.
  • the service management function network element sends the first indication information to the mobility management network element.
  • the service management function network element sends the first indication information to the mobility management network element, and correspondingly, the mobility management network element receives the first indication information from the service management function network element.
  • the first indication information indicates whether the terminal can obtain network services through multiple systems. It should be understood that the specific situation of sending the first indication information in step S590 is similar to that in step S340, and details are not repeated here.
  • the mobility management function network element sends a third message to the terminal according to the first indication information.
  • the third message may be a configuration update command message or a deregistration request message, and it should be understood that this is not limited in this embodiment of the present application.
  • the mobility management function network element sends a third message to the terminal, and the message carries a reason value, which corresponds to the network capability not supporting , the reason value may also be used to indicate an unsupported system, that is, the first system does not support it.
  • the mobility management function network element sends a third message to the terminal, and the message carries a reason value, Corresponding to the network capability is not supported, the reason value may also be used to indicate that you should not try to obtain network services from the current system and other systems.
  • the first system includes the current access system of the terminal, but can obtain network services through the second system. Then, the mobility management function network element sends a third message to the terminal, and the message carries a cause value, which corresponds to a redirection indication.
  • the third message includes specific situations corresponding to two different cause values (unsupported network capability and redirection indication) and the behavior of the terminal after receiving the corresponding indication is as described in S350, which will not be repeated here.
  • the mobility management function network element sends the received first indication information to the session management function network element.
  • the processing performed by the network element of the session management function after receiving the first indication information is as described in S491, which will not be repeated here.
  • FIG. 6 is a schematic flowchart of a method for communication management according to an embodiment of the present application. As shown in FIG. 6 , the method includes:
  • the terminal sends a registration request to the mobility management network element.
  • the mobility management network element sends a first request message to the policy management function network element.
  • the first request message may be a network capability subscription or a network capability request.
  • the first request message includes a potential registration area, and the mobility management network element determines the potential registration area for the UAV according to the mobility model and the allowed/disallowed area.
  • the mobility management network element infers the possible flight path information according to the previous flight path of the UAV, that is, the potential registration area should include the possible flight path of the UAV as much as possible.
  • the potential registration area may be a list of tracking area identities or a list of cell identities. This embodiment of the present application does not limit this.
  • the mobility management network element determines and updates the mobility model through terminal subscription, terminal movement statistics, network local configuration, and auxiliary information provided by the terminal. This embodiment of the present application does not limit this.
  • the policy management function network element sends the first indication information to the mobility management network element.
  • the policy management function network element After determining the network capability information, the policy management function network element sends first indication information to the mobility management network element, where the first indication information is used to indicate whether the terminal can obtain network services through multiple systems. It should be understood that this embodiment of the present application does not limit this.
  • the network element of the policy management function after receiving the network capability information of multiple systems on the flight path of the terminal, the network element of the policy management function, according to the network capability information of at least one first system in the multiple systems, does not change the network capability information on the flight path. C2 communication is supported, and it is determined that the terminal cannot obtain network services through the first system.
  • the first indication information is sent to the mobility management network element, where the first indication information indicates that the terminal cannot obtain the network service through the first system.
  • the network element of the policy management function after receiving the network capability information of multiple systems on the flight path of the terminal, the network element of the policy management function, according to the network capability information of at least one first system in the multiple systems, on the flight path C2 communication is not supported, and it is determined that the terminal cannot obtain network services through the first system, but the network capability information of the second system in the multiple systems supports C2 communication on the flight path, and the first system and the second system have no intersection.
  • first indication information is sent to the mobility management network element, where the first indication information indicates that the terminal cannot obtain the network service through the first system, but can be redirected to the second system to obtain the network service.
  • the policy management function network element after receiving the network capability information of multiple systems on the path of the terminal, the policy management function network element does not support the flight path according to the network capability information of any one of the multiple systems. C2 communication, it is determined that the terminal cannot obtain network services through any system. In this case, first indication information is sent to the mobility management network element, where the first indication information indicates that the terminal does not obtain network services through any one of the multiple systems.
  • the policy management function network element may directly send the network capability information of the multiple systems to the mobility management network element, and the mobile The management network element determines whether the network capabilities of the multiple systems are supported according to the network capability information of the multiple systems. There may be the following three situations: that is, the terminal cannot obtain network services through the first system, and the terminal can be redirected to the second system to obtain network services. services, and the terminal cannot obtain network services through any one of the multiple systems.
  • the policy management function network element may also be a subscription data management network element, that is, the mobility management network element may also send the first request message to the subscription data management network element. This application will not repeat them here.
  • the subscription data management network element is a network element used to manage subscription data.
  • the subscription data management network element may be a home subscription server (home subscriber server, HSS) network element.
  • the subscription data management network element may be a unified data management (unified data management, UDM) network element. This embodiment of the present application does not limit this.
  • the mobility management function network element sends a registration response to the terminal.
  • the AMF sends a registration response to the terminal according to the received first indication information or network capability information. It should be noted that, if the AMF receives the network capability information, the AMF further determines whether the network capability supports or needs to be redirected, and sends a registration response to the terminal according to the specific situation.
  • the registration response can be a registration acceptance message or a registration rejection message, as described below.
  • the AMF indicates according to the received first indication information or the AMF determines according to the network capability information that the terminal cannot obtain the network service through the first system, it sends a registration rejection message to the terminal, and indicates in the message If the network capability is not supported, the message may also indicate an unsupported system, that is, the first system. In this case, the terminal no longer attempts to establish a session for C2 communication with the UAVC in the first system.
  • the AMF indicates according to the received first indication information or the AMF determines according to the network capability information that the terminal cannot obtain network services through the first system, but can obtain network services by redirecting to the second system . Then, a registration rejection message is sent to the terminal.
  • the message indicates that redirection is required, and the message may also indicate a system that can be redirected, that is, the second system. In this case, the terminal no longer attempts to establish C2 communication in the first system, but attempts to establish C2 communication in the second system.
  • the AMF indicates according to the received first indication information or the AMF determines according to the network capability information that the terminal cannot obtain the network service through any one of the multiple systems. Then, a registration rejection message is sent to the terminal, and the message indicates that the network capability is not supported, and the message may also indicate that no attempt is made to obtain network services from the current system and other systems at the same time. In this case, the terminal no longer attempts to establish a session for C2 communication with the UAVC in any system.
  • the terminal can try to establish C2 communication in the first system.
  • FIG. 7 is a schematic block diagram of a service management function network element 700 according to the present application. As shown in FIG. 7 , the service management function network element 700 includes the following modules.
  • the receiving module 710 is configured to receive a first message, where the first message includes network capability information of multiple systems, the multiple systems include systems that can be selected by the terminal, and the network capability information is that the multiple systems are in the first area and the first At least one capability information of providing network services for the terminal within the time range, the first area includes the planned flight area of the terminal, and the first time range includes the planned flight time range of the terminal;
  • the determining module 720 determines whether the terminal can obtain network services through the first system, where the first system is one or more of the multiple systems;
  • the sending module 730 is configured to send first indication information, where the first indication information indicates whether the terminal can obtain network services through the first system.
  • the sending module 730 is specifically configured to: the first indication information indicates that the terminal cannot obtain the network service through the first system.
  • the sending module 730 is further configured to: the first indication information indicates that the terminal can obtain network services through the second system; wherein, the second system is one or more of multiple systems, and the first system is connected to the second system. The two systems do not intersect.
  • the sending module 730 is further configured to: the first indication information indicates that the terminal cannot obtain the network service through any one of the multiple systems.
  • the network capability information is at least one area information that allows the terminal to obtain network services or area information that does not allow the terminal to obtain the network service within the first area and the first time range of the plurality of systems.
  • the network capability information is information about at least one of the multiple systems in the first area and the first time range that does not have network coverage area information for obtaining network services for the terminal or there is network coverage that provides network services for the terminal to obtain Regional information.
  • the sending module 730 is further configured to: send a second message, where the second message requests network capability information of multiple systems; wherein the second message includes the first area and/or the first time range.
  • FIG. 8 is a schematic block diagram of a policy management function network element 800 according to the present application. As shown in FIG. 8 , the policy management function network element 800 includes the following modules.
  • the determining module 810 is configured to determine network capability information of multiple systems, where the multiple systems include systems that can be selected by the terminal, and the network capability information is that the multiple systems provide a network for the terminal within the first area and/or within the first time range Service capability information, the first area includes the planned flight area of the terminal, and the first time range includes the planned flight time range of the terminal;
  • the sending module 820 is configured to send a first message, where the first message includes network capability information of multiple systems.
  • the sending module 820 is further configured to: send first indication information according to the network capability information of the multiple systems, where the first indication information indicates whether the terminal can obtain network services through the first system;
  • the first system is one or more of multiple systems, and the first system includes the current access system of the terminal.
  • the sending module 820 is specifically configured to: the first indication information indicates that the terminal cannot obtain the network service through the first system.
  • the sending module 820 is specifically configured to: the first indication information instructs the terminal to redirect to the second system to obtain network services; wherein the second system is one or more of multiple systems, and the first system is connected to The second system has no intersection.
  • the sending module 820 is further configured to: the first indication information indicates that the terminal cannot obtain the network service through any one of the multiple systems.
  • the method before determining the network capability information of the multiple systems, the method further includes:
  • a receiving module 830 configured to receive a second message, where the second message requests network capability information of multiple systems, and the second message includes the first area and/or the first time range;
  • the determining module 810 is further configured to determine the network capability information of the multiple systems according to the second message.
  • the network capability information is at least one area information that allows the terminal to obtain network service or area information that does not allow the terminal to obtain network service within the first area and the first time range of the plurality of systems.
  • the network capability information is information about at least one of the multiple systems in the first area and the first time range that does not have network coverage area information for obtaining network services for the terminal or there is network coverage that provides network services for the terminal to obtain Regional information.
  • FIG. 9 is a schematic block diagram of a session management function network element 900 according to the present application. As shown in FIG. 9 , the session management function network element 900 includes the following modules.
  • a receiving module 910 configured to receive first indication information, where the first indication information indicates whether the terminal can obtain network services through at least one of the first area and the first time range through the first system;
  • a sending module 920 configured to send a third message to the terminal according to the first indication information, where the third message indicates whether to allow the terminal to obtain network services through the first system;
  • the first area includes the planned flight area of the terminal
  • the first time range includes the planned flight time range of the terminal
  • the first system is one or more of multiple systems, and the multiple systems include The system that can be selected by the terminal, the first system includes the current access system of the terminal.
  • the first indication information indicates that the terminal cannot obtain network services through the first system
  • the sending module 920 is specifically configured to: the third message indicates that the terminal is not allowed to obtain the network service through the first system.
  • the sending module 920 is specifically configured to: the third message instructs the terminal to redirect to the second system to obtain network services, wherein the second system is one or more of multiple systems, and the first system is connected to the second system. There is no intersection between the two systems;
  • the sending module is specifically configured to: the third message indicates that the terminal is not allowed to obtain the network service through any one of the multiple systems.
  • FIG. 10 shows a schematic block diagram of a communication device 1000 provided by the present application.
  • the communication device 1000 includes:
  • a memory 1010 for storing a program, the program including code
  • the processor 1030 is used for executing the program codes in the memory 1010 .
  • the processor 1030 may implement various operations of the method, which are not repeated here for brevity.
  • the transceiver 1020 is used to perform specific signal transmission and reception under the driving of the processor 1030 .
  • the communication device 1000 can be any one of the above-mentioned service management function network elements, policy management function network elements, and session management function network elements, and executes the operation of the determining module, and the transceiver may include a transmitter and/or a receiver, respectively executing the sending module and the Receive the corresponding steps of the module.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • 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 functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the part of the technical solution of the present application that essentially contributes or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium and includes several instructions to make
  • a computer device (which may be a personal computer, a server, or a network device, etc.) executes 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 (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program codes .
  • At least one of or “at least one of” herein mean all or any combination of the listed items, eg, "at least one of A, B, and C", It can be expressed as: A alone exists, B alone exists, C alone exists, A and B exist simultaneously, B and C exist simultaneously, and A, B and C exist simultaneously, where A can be singular or plural, and B can be Singular or plural, C can be singular or plural.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean that B is only determined according to A, and B may also be determined according to A and/or other information.

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Abstract

本申请实施例一种通信管理的方法，使得能够高效合理地管理无人机联网飞行，该方法包括：接收第一消息，该第一消息包括多个***的网络能力信息，该多个***包括可供终端选择的***，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围；根据多个***的网络能力信息，确定终端能否通过第一***获得网络服务，第一***是多个***中的一个或多个；发送第一指示信息，该第一指示信息指示终端能否通过第一***获得网络服务。

Description

一种无人机通信管理方法及装置
本申请要求于2021年01月25日提交中国专利局、申请号为202110099891.0、申请名称为“一种无人机通信管理方法及装置”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
本申请实施例涉及通信领域。并且更具体地，尤其涉及无人机通信管理领域。
背景技术
近年来，无人机应用逐渐普及，从个人娱乐的小型无人机，到各种各样的带来经济价值的无人机，种类繁多。无人机在带来各种经济利益和娱乐消遣的同时，也带来了管理的麻烦。
目前，第三代合作伙伴计划(3rd generation partnership project，3GPP)正在研究联网无人机(unmanned aerial vehicle，UAV)。无人机接入3GPP网络有助于无人机实现远程控制，同时也便于管理。在3GPP的无人机***架构中，无人机和无人机控制器分别接入3GPP网络，两者通过3GPP网络进行通信。由于无人机联网进行无人机控制等操作需要基站核心网的支持，无人机不是在所有区域都可以联网执行飞行任务。因此，无人机在进行命令和控制(command and control，C2)通信前，一般会向无人机***流量管理(UAS traffic management，UTM)或无人机***服务提供商(UAS service supplier，USS)请求授权。若飞行路径上的当前网络能力不支持无人机联网飞行，则会拒绝无人机的C2通信连接建立。
例如，若无人机初始在5G***(5G system，5GS)中注册，则可能在飞行路径授权被拒后，不再尝试飞行路径授权请求。这可能会导致不能充分利用网络资源从而飞行业务无法完成，例如，此情况下演进分组***(evolved packet system，EPS)中的网络能力有可能满足飞行需求。在另外一些情况下，在飞行路径授权被拒后执行去注册，并且在EPS中附着，并再次尝试飞行路径授权请求，这可能会导致ping-pang现象，例如，此情况下EPS中的网络能力可能也无法满足飞行需求。
因此，如何高效合理地管理无人机联网飞行，是一项亟待解决的问题。
发明内容
本申请提供一种通信管理的方法和设备，使得业务管理功能网元向会话管理功能网元发送第一指示信息，该第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机(终端)联网飞行。
第一方面，提供了一种通信管理的方法，该方法由业务管理功能网元执行，包括：接收第一消息，该第一消息包括多个***的网络能力信息，该多个***包括可供终端选择的 ***，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围。根据多个***的网络能力信息，确定终端能否通过第一***获得网络服务，第一***是多个***中的一个或多个。发送第一指示信息，该第一指示信息指示终端能否通过第一***获得网络服务。
根据本申请的技术方案，业务管理功能网元接收第一消息，该第一消息中包括多个***的网络能力信息，根据该多个***的网络能力信息，确定终端能否通过第一***获得网络服务，第一***是多个***中的一个或多个。业务管理功能网元发送第一指示信息，该第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
结合第一方面，在第一方面的某些实现方式中，第一指示信息指示终端能否通过第一***获得所述网络服务，包括：第一指示信息指示终端不能通过第一***获得网络服务。
结合第一方面或第一方面的某些实现方式，在第一方面的另一些可能的实现方式中，还包括：第一指示信息指示终端能够通过第二***获得网络服务，其中，该第二***是多个***中的一个或多个，且第一***与第二***没有交集。上述技术方案使得终端可以充分利用多个***的网络资源完成飞行任务，减少了网络资源的浪费。
结合第一方面或第一方面的某些实现方式，在第一方面的另一些可能的实现方式中，还包括：该第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。上述技术方案使得终端不再尝试在任意一个***中请求获得网络服务，避免产生ping-pang现象。
结合第一方面或第一方面的某些实现方式，在第一方面的另一些可能的实现方式中，包括：发送第二消息，该第二消息请求多个***的网络能力信息，其中，该第二消息包括第一区域和/或第一时间范围。
结合第一方面或第一方面的某些实现方式，在第一方面的另一些可能的实现方式中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个允许终端获得网络服务的区域信息或不允许终端获得网络服务的区域信息。
结合第一方面或第一方面的某些实现方式，在第一方面的另一些可能的实现方式中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个不存在为终端获得网络服务的网络覆盖区域信息或存在为终端获得网络服务的网络覆盖区域信息。
第二方面，提供了一种通信管理的方法，该方法由策略管理功能网元执行，包括：确定多个***的网络能力信息，该多个***包括可供终端选择的***，该网络能力信息是多个***在第一区域内和/或第一时间范围内为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围。发送第一消息，该第一消息包括多个***的网络能力信息。
第三方面，提供了一种通信管理的方法，该方法由策略管理功能网元执行，包括：确定多个***的网络能力信息，该多个***包括可供终端选择的***，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围。根据多个***的网络能力信息，发送第一指示信息，该第一指示信息指示终端能否通过第一*** 获得网络服务，其中，该第一***是多个***中的一个或多个，且第一***包括终端的当前接入***。上述技术方案可以通过第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
结合第三方面，在第三方面的某些实现方式中，第一指示信息指示终端能否通过第一***获得所述网络服务，包括：该第一指示信息指示终端不能通过第一***获得网络服务。
结合第三方面或第三方面的某些实现方式，在第三方面的另一些可能的实现方式中，第一指示信息指示终端重定向到第二***获得所述网络服务，其中，该第二***是多个***中的一个或多个，且第一***与第二***没有交集。上述技术方案使得终端可以充分利用多个***的网络资源完成飞行任务，减少了网络资源的浪费。
结合第三方面或第三方面的某些实现方式，在第三方面的另一些可能的实现方式中，包括：该第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。上述技术方案使得终端不再尝试在任意一个***中请求获得网络服务，避免产生ping-pang现象。
结合第三方面或第三方面的某些实现方式，在第三方面的另一些可能的实现方式中，在确定多个***的网络能力信息之前，该方法还包括：接收第二消息，该第二消息请求多个***的网络能力信息，该第二消息包括第一区域和/或第一时间范围。根据第二消息，确定多个***的网络能力信息。
结合第三方面或第三方面的某些实现方式，在第三方面的另一些可能的实现方式中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个允许终端获得网络服务的区域信息或不允许终端获得网络服务的区域信息。
结合第三方面或第三方面的某些实现方式，在第三方面的另一些可能的实现方式中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个不存在为终端获得网络服务的网络覆盖区域信息或存在为终端获得网络服务的网络覆盖区域信息。
第四方面，提供了一种通信管理的方法，该方法由会话管理功能网元执行，包括：接收第一指示信息，该第一指示信息指示终端能否通过第一***在第一区域内和第一时间范围内的至少一个获得网络服务。根据该第一指示信息向终端发送第三消息，该第三消息指示是否允许终端通过第一***获得网络服务，其中，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围，该第一***是多个***中的一个或多个，该多个***包括可供终端选择的***，该第一***包括终端的当前接入***。上述技术方案可以通过第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
结合第四方面，在第四方面的某些实现方式中，第三消息指示是否允许终端通过第一***获得网络服务，包括：该第三消息指示不允许终端通过第一***获得网络服务。
结合第四方面或第四方面的某些实现方式，在第四方面的另一些可能的实现方式中，还包括：第一指示信息指示终端重定向到第二***获得所述网络服务，该第二***是多个***中的一个或多个，且第一***与第二***没有交集，第三消息指示终端重定向到第二***获得网络服务。上述技术方案使得终端可以充分利用多个***的网络资源完成飞行任务，减少了网络资源的浪费。
结合第四方面或第四方面的某些实现方式，在第四方面的另一些可能的实现方式中， 还包括：该第三消息指示不允许终端通过多个***中的任意一个***获得网络服务。上述技术方案使得终端不再尝试在任意一个***中请求获得网络服务，避免产生ping-pang现象。
第五方面，提供了一种通信管理的方法，该方法包括：策略管理功能网元确定多个***的网络能力信息，该多个***包括可供终端选择的***，网络能力信息是该多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息。其中，第一区域包括终端的计划飞行区域，第一时间范围包括终端的计划飞行时间范围。该策略管理功能网元向业务管理功能网元发送第一消息，该第一消息包括该多个***的网络能力信息，该业务管理功能网元根据该多个***的网络能力信息，确定终端能否通过第一***获得网络服务，其中，该第一***是该多个***中的一个或多个。该业务管理功能网元向会话管理功能网元发送第一指示信息，该第一指示信息指示终端能否通过该第一***获得网络服务，会话管理功能网元根据该第一指示信息向终端发送第三消息，该第三消息指示是否允许终端通过该第一***获得网络服务。上述技术方案可以通过第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
第六方面，提供了一种业务管理功能网元，包括：接收模块，用于接收第一消息，该第一消息包括多个***的网络能力信息，该多个***包括可供终端选择的***，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一种为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围。确定模块，根据多个***的网络能力信息，确定终端能否通过第一***获得网络服务，第一***是多个***中的一个或多个。发送模块，用于发送第一指示信息，该第一指示信息指示终端能否通过第一***获得网络服务。上述技术方案可以通过第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
结合六方面，在第六方面的某些实现方式中，该发送模块具体用于：第一指示信息指示终端不能通过第一***获得网络服务。
结合第六方面或第六方面的某些实现方式，在第六方面的另一些可能的实现方式中，发送模块还用于：第一指示信息指示终端能够通过第二***获得网络服务，其中，该第二***是多个***中的一个或多个，且第一***与第二***没有交集。上述技术方案使得终端可以充分利用多个***的网络资源完成飞行任务，减少了网络资源的浪费。
结合第六方面或第六方面的某些实现方式，在第六方面的另一些可能的实现方式中，发送模块还用于：第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。上述技术方案使得终端不再尝试在任意一个***中请求获得网络服务，避免产生ping-pang现象。
结合第六方面或第六方面的某些实现方式，在第六方面的另一些可能的实现方式中，发送模块还用于：发送第二消息，该第二消息请求多个***的网络能力信息，其中，该第二消息包括第一区域和/或第一时间范围。
结合第六方面或第六方面的某些实现方式，在第六方面的另一些可能的实现方式中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个允许终端获得所述网络服务的区域信息或不允许终端获得网络服务的区域信息。
结合第六方面或第六方面的某些实现方式，在第六方面的另一些可能的实现方式中， 该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个不存在为终端获得网络服务的网络覆盖区域信息或存在为终端获得网络服务的网络覆盖区域信息。
第七方面，提供了一种策略管理功能网元，包括：确定模块，用于确定多个***的网络能力信息，多个***包括可供终端选择的***，网络能力信息是多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围。发送模块，用于发送第一消息，该第一消息包括多个***的网络能力信息。
第八方面，提供了一种策略管理功能网元，包括：确定模块，用于确定多个***的网络能力信息，该多个***包括可供终端选择的***，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息，该第一区域包括终端的计划飞行区域，该第一时间范围包括终端的计划飞行时间范围。发送模块，根据多个***的网络能力信息，发送第一指示信息，该第一指示信息指示终端能否通过第一***获得所述网络服务，其中，该第一***是多个***中的一个或多个，且第一***包括终端的当前接入***。上述技术方案可以通过第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
结合第八方面，在第八方面的某些实现方式中，发送模块具体用于：该第一指示信息指示终端不能通过第一***获得网络服务。
结合第八方面或第八方面的某些实现方式，在第八方面的另一些可能的实现方式中，发送模块具体用于：第一指示信息指示终端重定向到第二***获得所述网络服务，其中，该第二***是多个***中的一个或多个，且第一***与第二***没有交集。上述技术方案使得终端可以充分利用多个***的网络资源完成飞行任务，减少了网络资源的浪费。
结合第八方面或第八方面的某些实现方式，在第八方面的另一些可能的实现方式中，发送模块还用于：第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。上述技术方案使得终端不再尝试在任意一个***中请求获得网络服务，避免产生ping-pang现象。
结合第八方面或第八方面的某些实现方式，在第八方面的另一些可能的实现方式中，在确定多个***的网络能力信息之前，还包括：接收模块，用于接收第二消息，该第二消息请求多个***的网络能力信息，该第二消息包括第一区域和/或第一时间范围，该确定模块还用于，根据第二消息确定多个***的网络能力信息。
结合第八方面或第八方面的某些实现方式，在第八方面的另一些可能的实现方式中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个允许终端获得网络服务的区域信息或不允许终端获得网络服务的区域信息。
结合第八方面或第八方面的某些实现方式，在第八方面的另一些可能的实现方式中，该网络能力信息是该多个***在该第一区域内和该第一时间范围内的至少一个不存在为终端获得网络服务的网络覆盖区域信息或存在为终端获得网络服务的网络覆盖区域信息。
第九方面，提供了一种会话管理功能网元，包括：接收模块，用于接收第一指示信息，该第一指示信息指示终端能否通过第一***在第一区域内和第一时间范围内的至少一个获得网络服务。发送模块，用于根据该第一指示信息向终端发送第三消息，该第三消息指示是否允许终端通过第一***获得网络服务，其中，该第一区域包括终端的计划飞行区域， 该第一时间范围包括终端的计划飞行时间范围，该第一***是多个***中的一个或多个，该多个***包括可供终端选择的***，第一***包括终端的当前接入***。上述技术方案可以通过第一指示信息指示终端能否通过第一***获得网络服务，从而高效合理地管理无人机联网飞行。
结合第九方面，在第九方面的某些实现方式中，该发送模块具体用于：第三消息指示不允许终端通过第一***获得网络服务。
结合第九方面或第九方面的某些实现方式，在第九方面的另一些可能的实现方式中，发送模块具体用于：该第三消息指示终端重定向到第二***获得网络服务，其中，该第二***是多个***中的一个或多个，且第一***与第二***没有交集。上述技术方案使得终端可以充分利用多个***的网络资源完成飞行任务，减少了网络资源的浪费。
结合第九方面或第九方面的某些实现方式，在第九方面的另一些可能的实现方式中，发送模块具体用于：第三消息指示不允许终端通过多个***中的任意一个***获得网络服务。上述技术方案使得终端不再尝试在任意一个***中请求获得网络服务，避免产生ping-pang现象。
第十方面，提供了一种业务管理功能网元，包括：至少一个处理器、存储器和收发器，该存储器用于存储指令，该收发器用于该业务管理功能网元和其他设备通信，该存储的指令被该至少一个处理器直接或间接的执行，使得该业务管理功能网元可以执行第一方面或第一方面的任一可选的实现方式中的方法。
第十一方面，提供了一种策略管理功能网元，包括：至少一个处理器、存储器和收发器，该存储器用于存储指令，该收发器用于该策略管理功能网元和其他设备通信，该存储的指令被该至少一个处理器直接或间接的执行，使得该策略管理功能网元可以执行第二方面、第三方面或第三方面的任一可选的实现方式中的方法。
第十二方面，提供了一种会话管理功能网元，包括：至少一个处理器、存储器和收发器，该存储器用于存储指令，该收发器用于该会话管理功能网元和其他设备通信，该存储的指令被该至少一个处理器直接或间接的执行，使得该会话管理功能网元可以执行第四方面或第四方面的任一可选的实现方式中的方法。
第十三方面，提供了一种芯片***，包括：至少一个处理器，该至少一个处理器用于执行存储的指令，使得业务管理功能网元可以执行第一方面或第一方面的任一可选的实现方式中的方法。
第十四方面，提供了一种芯片***，包括：至少一个处理器，该至少一个处理器用于执行存储的指令，使得策略管理功能网元可以执行第二方面、第三方面或第三方面的任一可选的实现方式中的方法。
第十五方面，提供了一种芯片***，包括：至少一个处理器，该至少一个处理器用于执行存储的指令，使得会话管理功能网元可以执行第四方面或第四方面的任一可选的实现方式中的方法。
第十六方面，提供了一种计算机存储介质，该计算机存储介质存储有程序指令，当该指令被执行时，使得业务管理功能网元可以执行第一方面或第一方面的任一可选的实现方式中的方法。
第十七方面，提供了一种计算机存储介质，该计算机存储介质存储有程序指令，当该 指令被执行时，使得策略管理功能网元可以执行第二方面、第三方面或第三方面的任一可选的实现方式中的方法。
第十八方面，提供了一种计算机存储介质，该计算机存储介质存储有程序指令，当该指令被执行时，使得会话管理功能网元可以执行第四方面或第四方面的任一可选的实现方式中的方法。
第十九方面，提供了一种计算机程序产品，该计算机程序产品包括指令，当该指令被执行时，使得业务管理功能网元可以执行第一方面或第一方面的任一可选的实现方式中的方法。
第二十方面，提供了一种计算机程序产品，该计算机程序产品包括指令，当该指令被执行时，使得策略管理功能网元可以执行第二方面、第三方面或第三方面的任一可选的实现方式中的方法。
第二十一方面，提供了一种计算机程序产品，该计算机程序产品包括指令，当该指令被执行时，使得用会话管理功能网元可以执行第四方面或第四方面的任一可选的实现方式中的方法。
第二十二方面，提供了一种***，该***包括如第一方面或第一方面的任一可选的实现方式中所述的业务管理功能网元；和/或如第二方面、第三方面或第三方面的任一可选的实现方式中所述的策略管理功能网元；和/或如第四方面或第四方面的任一可选的实现方式中所述的会话管理功能网元。
附图说明
图1是适用于本申请实施例的网络***架构示意图。
图2是本申请实施例的应用场景的示意图。
图3是本申请实施例提供的一种通信方法的示意图。
图4是本申请实施例提供的另一种通信方法的示意图。
图5是本申请实施例提供的另一种通信方法的示意图。
图6是本申请实施例提供的一种通信方法的示意图。
图7是本申请实施例的业务管理功能网元的示意性框图。
图8是本申请实施例的策略管理功能网元的示意性框图。
图9是本申请实施例的会话管理功能网元的示意性框图。
图10是本申请实施例的一种通信设备的示意性框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
本申请实施例的技术方案可以应用于各种通信***，例如：全球移动通讯(global system of mobile communication，GSM)***、码分多址(code division multiple access，CDMA)***、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)、长期演进(long term evolution，LTE)***、LTE频分双工(frequency division duplex，FDD)***、LTE时分双工(time division duplex，TDD)、通用移动通信***(universal mobile telecommunication system， UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信***、第五代(5th generation，5G)***或新无线(new radio，NR)等。
本申请实施例中的终端设备可以经接入网(access network，AN)设备和核心网(core network，CN)与另一终端进行通信。本申请实施例中的终端设备可以指无人机(unmanned aerial vehicle，UAV)，也可以是用户设备(user equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的终端设备等，本申请实施例对此并不限定。
图1是适用于本申请的一例无线通信***架构的示意性框图。如图1所示，该***架构包括，终端设备，无线接入网设备(radio access network，RAN)、核心网设备以及数据网络(data network，DN)。采用的是基于业务接口(service-based)的表现形式。图1中的终端设备可以用于通过无线空口连接到运营商部署的无线接入网设备，继而通过核心网设备连接到数据网络。无线接入网设备主要用于实现无线物理层功能、资源调度和无线资源管理、无线接入控制以及移动性管理等功能；核心网设备(也可以称为管理设备)主要用于终端设备的设备注册、安全认证、移动性管理和位置管理等。需要说明的是，图1仅为示例性架构图，除图1中所示功能单元之外，该网络架构还可以包括其它功能单元或功能网元，本申请实施例对此不进行限定。图1以5G***架构为基础，还可以以其他***架构为基础，例如LTE***，本申请实施例对此不进行限定。
图1中所示的终端设备可以为上述的任意一种可能的终端设备，例如，可以为：手机、电脑，还可以为蜂窝电话、无绳电话、会话发起协议(session initiation protocol，SIP)电话、智能电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、电脑、膝上型计算机、手持式通信设备、手持式计算设备、卫星无线设备、无线调制解调器卡、电视机顶盒(set top box，STB)、用户驻地设备(customer premise equipment，CPE)和/或用于在无线***上进行通信的其它设备。上述无线接入网设备可以为接入网(access network，AN)/无线接入网(radio access network，RAN)设备，由多个5G-AN/5G-RAN节点组成的网络，该5G-AN/5G-RAN节点可以为：接入节点(access point，AP)、下一代基站(NR nodeB，gNB)、中心单元(central unit，CU)和分布式单元(distributed unit，DU)分离形态的gNB、收发点(transmission receive point，TRP)、传输点(transmission point，TP)或某种其它接入节点。
如图1所示的，上述核心网设备可以包括：统一数据管理网元(unified data management，UDM)、接入和移动性管理功能网元(access and mobility management function，AMF)、会话管理功能网元(session management function，SMF)、策略控制功能网元(policy control function，PCF)、应用功能网元(application function，AF)、用户面功能网元(user plane function，UPF)、网络开放功能网元(network exposure function，NEF)、网络仓库功能网元(network repository function，NRF)、网络切片选择功能网元(network slice selection  function，NSSF)、鉴权服务器功能网元(authentication server function，AUSF)等。这些功能单元可以独立工作，也可以组合在一起实现某些控制功能，如：AMF、SMF和PCF可以组合在一起作为管理设备，用于完成终端设备的接入鉴权、安全加密、位置注册等接入控制和移动性管理功能，以及用户面传输路径的建立、释放和更改等会话管理功能，以及分析一些切片(slice)相关的数据(如拥塞)、终端设备相关的数据的功能。
在图1的所示的5G网络中，各功能单元之间可以通过下一代网络(next generation，NG)接口建立连接实现通信，如：终端设备通过新无线(new radio，NR)接口与RAN设备建立空口连接，用于传输用户面数据和控制面信令；终端设备可以通过NG接口1(简称N1)与AMF建立控制面信令连接；RAN设备可以通过NG接口3(简称N3)与分流点UPF建立用户面数据连接；RAN设备可以通过NG接口2(简称N2)与AMF建立控制面信令连接；UPF可以通过NG接口6(简称N6)与数据网络交互用户面数据。每个核心网网元可以通过相应的接口与其它核心网网元进行通信。例如，其它核心网网元可以通过Nnssf接口与NSSF进行通信，其它核心网网元可以通过Nnef接口与NEF进行通信等。
需要说明的是，图1所示的部分仅为示例性架构图，除图1所示的部分中所示功能单元之外，该网络架构还可以包括其它功能单元或功能网元，本申请实施例对此不进行限定。
应理解，本申请中的网元之间的接口名称仅是示例性的，网元之间的接口还可以是其它名称，本申请实施例对接口的名称不予限定。
还应理解，本申请实施例中的无线接入网设备可以是用于与终端装置和核心网设备通信的设备，该无线接入网设备可以是全球移动通讯(global system of mobile communication，GSM)***或码分多址(code division multiple access，CDMA)中的基站(base transceiver station，BTS)，也可以是宽带码分多址(wideband code division multiple access，WCDMA)***中的基站(NodeB，NB)，还可以是LTE***中的演进型基站(evolutional nodeb，eNB或eNodeB)，还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器，或者该接入网设备可以为中继站、接入点、车载设备、可穿戴设备以及5G网络中的网络设备或者未来演进的PLMN网络中的接入网设备等，本申请实施例对此并不限定。
无人机***(unmanned aerial system，UAS)由无人机控制器与无人机组成。由于无人机需要占用空域的特殊性，监管部门需要及时识别和管控，第三代合作伙伴计划(3rd generation partnership project，3GPP)网络引入一个新的实体，即无人机***流量管理实体(unmanned aerial system traffic management，UTM)。UTM可以存储无人机控制器和无人机相关数据，例如标识信息、拥有者信息、路径信息、当前位置、操作状态等等，UTM可用于无人机控制器与无人机配对，标识无人机***，授权对于无人机***的操作，还可以管理、干预无人机控制器与无人机之间的通信等，应理解，无人机***流量管理实体还可以是其他名称，本申请对该实体的名称以及部署方式等不作限定。
图2示出了本申请实施例的应用场景示意图。如图2所示，无人机***200可以与带有无人机***流量管理实体UTM203的网络***进行信息交互和无线通信。例如，无人机控制器201或无人机202可以与接入网(radio access network，RAN)204、核心网(core network，CN)205进行信息交互，还可以通过接入网204或核心网205与UTM203进行 信息交互；无人机控制器201还可以通过接入网204或核心网205与无人机202进行信息交互，还可以通过UTM203与无人机202进行信息交互。
应理解，无人机控制器201与无人机202可以处于同一接入网或核心网中，也可以处于不同的接入网或核心网中，本申请实施例对此并不限定。
无人机UAV202，还可以称为无人驾驶飞机、空中机器人，是利用无线电遥控设备和自备的程序控制装置的不载人飞机，可以在无人驾驶的条件下完成空中飞行任务和各种负载任务。本申请实施例中的无人机可以是无人直升机、固定翼机、多旋翼飞行器、无人飞艇、无人伞翼机；还可以包括临近空间飞行器，例如平流层飞艇、高空气球、太阳能无人机等；还可以是四轴、六轴、单轴、矢量控制等多种形式的无人机。本申请实施例中的无人机可以用于军事、工业、民用、农业、建筑、影视、环保等领域以及用到无人机作业的特种行业，例如用无人机来进行军事侦察、巡视、航拍、环境监测、边防监控、送快递、电力巡检、确权、防汛抗旱、灾后救援等等。本申请实施例对此并不限定。
应理解，本文对无人机的具体类型不作限定。随着智能化的发展，为应用于不同的场景或完成不同的空中飞行任务，具备无人驾驶飞机功能的设备的名称可能会有所不同。为方便描述，本申请所有实施例中，上述能够具备无人驾驶飞机功能的装置统称为无人机。
无人机202可以配备有多种传感器或功能模块，例如陀螺仪(飞行姿态感知)、加速计、地磁感应、气压传感器(悬停高度粗略控制)、超声波传感器(低空高度精确控制或避障)、光流传感器(悬停水平位置精确确定)、全球定位***(global positioning system，GPS)模块(水平位置高度粗略定位)、控制电路、指南针等，通过采集无人机的角速率、姿态、位置、加速度、高度和空速等，能够实现自动保持无人机的正常飞行姿态。
应理解，上述无人机配置的模块或硬件名称仅仅是一个示例，在具体实现中，各个功能模块还可以有其他的名称，本申请实施例对此并不限定。本申请实施例中的无人机还可以具有更多或更少的功能模块，也可以实现更多或更少的功能等，本申请实施例对此也不做任何限定。
无人机控制器(UAV controller，UAVC)201用于对无人机202进行控制，例如控制无人机的飞行状态或飞行动作等。无人机控制器可以是智能手机、平板、手提电脑、智能手表或智能遥控器、传统遥控器、专用远程控制器等，还可以是手环、指环、手套、臂带、手表等可用于手势控制无人机的装置，还可以是头套等可用于意念控制无人机的头戴设备，还可以是智能夹克、外套等可用于用户身体动作控制无人机的装置等。
应理解，本文对无人机控制器的具体类型不作限定。随着智能化的发展，具备无人机控制器功能的设备的名称和形式可能会有所不同。为方便描述，本申请所有实施例中，上述能够具备无人机控制器功能或能够控制无人机的装置统称为无人机控制器。
无人机控制器201可以对无人机202的飞行状态进行控制，例如无人机控制器可以控制无人机的方向、副翼、升降、倾斜、速度、油门、襟翼等，还可以控制无人机的转弯、爬升、俯冲、横滚、悬停、起飞、落地等动作，本申请实施例对此不做任何限定。
还应理解，无人机***200可以包括一个或多个无人机控制器201和一个或多个无人机202。例如，一个无人机控制器可以控制一个或多个无人机，一个无人机也可以被一个或多个无人机控制器控制，多个无人机控制器也可以协同控制多个无人机，本申请实施例对此不做限定。
无人机***200中的无人机202可以是上文提到的任意一种或多种类型，无人机控制器201也可以是上文提到的任意一种或多种类型，本申请实施例对此不做任何限定。
为便于理解本申请实施例，下面先对本申请涉及到的概念进行简单介绍。
C2通信：用户面链路用于从UAV控制器或UTM向UAV传送带有用于UAV操作的命令和控制信息的消息，或从UAV向其UAV控制器或UTM报告遥测数据。简单的说，就是UAV和UAVC之间的通信，UAV联网飞行隐含的意思是建立了C2通信会话，UAVC可以通过该会话控制UAV进行UAV操作。
网络能力信息：多个***在第一区域内和/或第一时间范围内为终端提供网络服务的能力信息，可以是网络在指定的时间和地点能否满足终端联网的需求，比如在指定的时间和地点是否有网络覆盖，是否允许终端联网进行相应操作等信息。网络能力信息也可以称为移动限制信息，网络移动限制信息等，本申请对此不做限定。
下面结合图3详细说明本申请提供的一种无人机联网管理的方法，图3是本申请一个实施例的一种无人机联网管理方法的示意性流程图，该方法可以应用在图2所示的场景中，当然也可以应用在其他通讯场景中，本申请实施例在此不作限制。
在S310中，业务管理功能网元向策略管理功能网元发送第二消息。
业务管理功能网元是一种用于为无人机提供业务服务的网元，示例性的，业务管理功能网元可以是UTM网元或无人机***服务提供商(UAS service supplier，USS)网元。策略管理功能网元是一种用于提供策略规则等功能的网元，示例性的，在***(4th generation，4G)中，该策略管理功能网元可以是策略和计费规则功能(policy and charging rules function，PCRF)网元，在5G中，该策略管理功能网元可以是PCF网元。
业务管理功能网元向策略管理功能网元发送第二消息，相应地，策略管理功能网元接收来自业务管理功能网元第二消息，该第二消息用于请求多个***的网络能力信息。具体地，该第二消息中包括第一区域和/或第一时间范围，应理解，该第一区域包括终端的计划飞行区域，比如出发地点、目的地、途径点等；该第一时间范围包括终端的计划飞行时间范围，比如，起飞时间、降落时间等。本申请实施例对此不作限定。
应理解，第二消息可能是在现有的消息中增加新的内容，也可能是以新的消息类型形式存在，比如第二消息也可以是网络能力订阅或网络能力请求消息，本申请实施例对于消息的存在形式不作限定。
还应理解，第二消息可能是业务管理功能网元直接发送给策略管理功能网元的，也可能是通过其他的网元，比如第二消息可以是先由业务管理功能网元发送给其他网元，再由其他网元发送给策略管理功能网元，本申请实施例对于第二消息如何发送不做限定。
还应理解，这里的其他网元可以是网络开放网元或其他核心网网元，本申请实施例在此不作限定。
需要说明的是，网络开放网元是一种用于传输内外部信息的网元，示例性的，在4G中，该网络开放网元可以是服务能力开放功能(service capability exposure function，SCEF)网元，在5G中，该网络开放网元可以是网络开放功能网元，网络开放网元还可以是无人机飞行使能子***(UAV flight enablement subsystem，UFES)网元，本申请实施例对此不作限定。
在一种可能的实现方式中，该第二消息可能是进行转换后的消息。具体地，网络开放 网元将第二消息中以地理形式表示的位置信息转换为小区标识或追踪区域标识列表的形式表示的位置信息，再将位置信息小区标识或追踪区域标识列表的形式表示的第二消息发送策略管理功能网元。应理解，网络开放网元也可以不对位置信息进行转换，将位置信息以地理形式表示的第二消息直接转发给策略管理功能网元，本申请实施例对此不作限定。
还应理解，S310步骤是一个可选的步骤，可以理解为业务管理功能网元可以不向策略管理功能网元请求多个***的网络能力信息。
在S320中，策略管理功能网元确定多个***的网络能力信息。
多个***是可供终端选择的***，比如5GS、EPS等，该多个***还包括终端的当前接入***。具体地，策略管理功能网元可能具有多个***中用于保护网络中的其他终端免受终端操作(如无人机相关操作)干扰的移动限制信息列表，比如在某些区域用于飞行中的C2通信的UAV连接是不优选的或应该被禁止的，这里的移动限制信息列表中可能包括允许终端通过网络获取网络服务的区域信息或不允许终端通过网络获取网络服务的区域信息。同时移动限制信息列表中还可能包含时间信息，即允许或不允许终端通过网络获取网络服务的时间范围。除此之外，移动限制信息列表中可能还具有多个***中网络覆盖的情况，比如在某些区域存在或不存在为C2通信提供网络服务的网络覆盖。同时移动限制信息列表中还可能包含时间信息，即在某个时间范围内存在或不存在为C2通信提供网络服务的网络覆盖。因此，策略管理功能网元根据终端的飞行路径信息能够确定多个***的网络能力信息。
应理解，多个***可以是5GS***或EPS***，也可以是其他***，本申请实施例对此不作限定。
还应理解，网络能力信息可以是允许或不允许的追踪区域标识/小区标识列表(可能包含时间信息，即允许或不允许的时间范围)，也可以是存在为C2通信提供网络覆盖的追踪区域标识/小区标识列表(可能包含时间信息，即存在或不存在的时间范围)。网络能力信息除了上述区域信息，还可能包括高度信息。网络能力信息包括但不限定于上述的网络覆盖和移动限制信息等，本申请实施例对此不作限定。
在S330中，业务管理功能网元接收来自策略管理功能网元的第一消息。
具体地，策略管理功能网元根据终端的飞行路径确定多个***的网络能力信息，并向业务管理功能网元发送第一消息，该第一消息包括多个***的网络能力信息，相应地，业务管理功能网元接收来自策略管理功能网元的第一消息。
应理解，该第一消息可以由策略管理功能网元直接发送给业务管理功能网元，也可以由策略管理功能网元发送给其他网元，再由其他网元转发给业务管理功能网元。本申请对于第一消息的发送方式在此不作限定。这里的其他网元与S310中的其他网元类似，在此不再赘述。
在一种可能的实现方式中，该第一消息可能是进行转换后的消息。具体地，网络开放网元将第一消息中以小区标识或追踪区域标识列表的形式表示的位置信息转换为地理形式表示的位置信息，再将位置信息以地理形式表示的第一消息发送业务管理功能网元。应理解，网络开放网元也可以不对位置信息进行转换，将位置信息以小区标识或追踪区域标识列表的形式表示的第一消息直接转发给业务管理功能网元，本申请实施例对此不作限定。
应理解，对于策略管理功能网元直接向业务管理功能网元发送第一消息的场景，策略 管理功能网元可能将以小区标识或追踪区域标识列表的形式表示的位置信息转换为地理形式表示的位置信息，再将位置信息以地理形式表示的第一消息发送业务管理功能网元。还应理解，策略管理功能网元也可以不对位置信息进行转换，将位置信息以小区标识或追踪区域标识列表的形式表示的第一消息直接转发给业务管理功能网元，本申请实施例对此不作限定。
在S340中，业务管理功能网元向会话管理功能网元发送第一指示信息。
会话管理功能网元是一种用于管理终端通信的网元，示例性的，在4G中，该会话管理功能网元可以是移动管理实体(mobility management entity，MME)网元或控制面分组数据网络网关(packet data network gateway for control plane，PGW-C)，在5G中，该会话管理功能网元可以是SMF网元或AMF网元，本申请实施例对此不作限定。
具体地，业务管理功能网元向会话管理功能网元发送第一指示信息，相应地，会话管理功能网元接收来自业务管理功能网元的第一指示信息。该第一指示信息用于指示终端能否通过多个***获得网络服务。
在一种可能的实现方式中，业务管理功能网元在接收到终端飞行路径上的多个***的网络能力信息后，根据多个***中的至少一个第一***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过该第一***获得网络服务。在此情况下，向会话管理功能网元发送第一指示信息，该第一指示信息指示终端不能通过第一***获得网络服务。
需要说明的是，在飞行路径上不支持C2通信指的是在终端计划飞行的区域内和/或计划飞行的时间范围内，第一***不能为终端在飞行时提供C2通信等所需要的网络服务。例如，第一***不允许在终端计划飞行的区域内和/或计划飞行的时间范围内为终端在飞行时提供C2通信等所需要的网络服务，或者，第一***在终端计划飞行的区域内和/或计划飞行的时间范围内不存在为终端在飞行时提供C2通信等所需要的网络服务的网络覆盖。还应理解，这里的不支持C2通信也可以指部分不支持，例如，在终端计划飞行的部分区域内和/或计划飞行的部分时间内第一***不能为终端在飞行时提供C2通信等所需要的网络服务，本申请实施例对此不作限定。下述不支持或支持的场景均基于上述理解，不再赘述。
在另一种可能的实现方式中，业务管理功能网元在接收到终端飞行路径上的多个***的网络能力信息后，根据多个***中的至少一个第一***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过该第一***获得网络服务，但是多个***中的第二***的网络能力信息在飞行路径上支持C2通信，第一***与第二***没有交集。在此情况下，向会话管理功能网元发送第一指示信息，该第一指示信息指示终端能够通过该第二***获得网络服务。
在另一种可能的实现方式中，业务管理功能网元在接收到终端的路径上的多个***的网络能力信息后，根据多个***中的任意一个***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过任意一个***获得网络服务。在此情况下，向会话管理功能网元发送第一指示信息，该第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。
在一种可能的实现方式中，业务管理功能网元根据接收到的多***的网络能力信息确定终端飞行路径上的部分小区或追踪区域上的网络能力不支持C2通信，但终端飞行路径 上支持C2通信的部分小区或追踪区域可以支持终端飞行，例如网络能力支持C2通信的小区或追踪区域相连。则业务管理功能网元认为UAV可以绕过其中的某些不支持C2通信的地理位置区域完成飞行任务。需要说明的是，业务管理功能网元可根据本地配置确定是否可以在部分小区或追踪区域的网络能力不支持C2通信时，确定无人机能够联网完成飞行任务。
在另一种可能的实现方式中，业务管理功能网元还可以向网络开放功能网元指示偏好的***，例如，5GS中网络能力支持C2通信，而EPS中网络能力不支持C2通信，则业务管理功能网元指示偏好5GS。而网络开放网元能够感知当前UAV接入的***，比如当前UAV接入的是5GS，则向会话管理功能网元发送网络能力支持指示信息用于指示网络能力可以支持终端通过当前***获得网络服务，否则向会话管理功能网元发送重定向指示信息。
在另一种可能的实现方式中，若网络开放网元不感知当前UAV接入的***，则将偏好的***发送给其他网元。本申请实施例对此不作限定。
在另一种可能的实现方式中，该第一指示信息也可以是网络能力信息，示例性的，业务管理功能网元在接收到终端飞行路径上的网络能力信息后，可以直接将多个***的网络能力信息发送给会话管理功能网元，由会话管理功能网元根据多个***的网络能力信息，确定发送第一指示信息，本申请在此不再赘述。
需要说明的是，该第一指示信息也可由策略管理功能网元发送给会话管理功能网元。具体地，策略管理功能网元确定多个***的网络能力信息，根据多个***的网络能力信息在飞行路径上是否支持C2通信，确定向会话管理功能网元发送第一指示信息。本申请实施例对此不作限定。
在一种可能的实现方式中，策略管理功能网元根据多个***中的至少一个第一***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过第一***获得网络服务，该第一***包括终端的当前接入***。在此情况下，向会话管理功能网元发送第一指示信息，该第一指示信息指示终端不能通过第一***获得网络服务。
在另一种可能的实现方式中，策略管理功能网元根据多个***中的至少一个第一***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过第一***获得网络服务，该第一***包括终端的当前接入***。但是多个***中的第二***的网络能力信息在飞行路径上支持C2通信，第一***与第二***没有交集。在此情况下，向会话管理功能网元发送第一指示信息，该第一指示信息指示终端重定向到该第二***获得网络服务。
在另一种可能的实现方式中，策略管理功能网元根据多个***中的任意一个***的网络能力信息在飞行路径上均不支持C2通信，确定终端不能通过任意一个***获得网络服务，在此情况下，向会话管理功能网元发送第一指示信息，该第一指示信息指示终端不能通过任意一个***获得网络服务。
应理解，策略管理功能网元也可以直接将多个***的网络能力信息发送给会话管理功能网元，由会话管理功能网元根据多个***的网络能力信息，确定发送第一指示信息，本申请在此不再赘述。
在另一种可能的实现方式中，策略管理功能网元也可以根据接收到的多***的网络能力信息确定即使终端在飞行路径上的部分小区或追踪区域上的网络能力不支持C2通信也 可以完成飞行，比如在任意飞行起始点和目的地之间都可以规划一条路径，网络能力均支持这条路径上经过的小区或追踪区域。应理解，策略管理功能网元可以根据本地配置或者来自业务管理功能网元的指示来确定是否可以在部分小区或追踪区域的网络能力不支持C2通信时，确定无人机能够联网完成飞行任务。
在S350中，会话管理功能网元根据第一指示信息向终端发送第三消息。
具体地，会话管理功能网元根据接收到的第一指示信息向终端发送第三消息，相应地，终端接收第三消息。第三消息可以是会话建立/修改接受消息、会话建立/修改拒绝消息、连接建立/修改接受消息、连接建立/修改拒绝消息、会话释放消息或连接释放消息，也可以是其他类型的消息，本申请实施例对此不作限定。应理解，第一指示信息可以是业务管理功能网元或策略管理功能网元发送的，本申请实施例对第一指示信息的来源在此不作限定。
需要说明的是，这里的会话或连接，分别指的是5GS中的协议数据单元(protocol data unit，PDU)会话，EPS的分组数据网络(packet data network，PDN)连接。这里的会话或连接可能用于C2通信，即UAV和UAVC之间的通信。
应理解，第三消息中可以携带原因值，原因值对应的可以是网络能力不支持或重定向指示，下面对这两种不同的原因值对应的具体情况分别进行介绍。
对于原因值为网络能力不支持的情况：
在一种可能的实现方式中，会话管理功能网元接收到的第一指示信息指示终端不能通过第一***获得网络服务，在此情况下，会话管理功能网元向终端发送第三消息，第三消息中对应的原因值为网络能力不支持，原因值可能同时指示不支持的***，即第一***不支持。应理解，该第一***包括终端的当前接入***。则终端不再尝试在第一***建立与UAVC之间用于C2通信的会话。
在另一种可能的实现方式中，会话管理功能网元接收到的第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。会话管理功能网元向终端发送第三消息，第三消息中对应的原因值为网络能力不支持，原因值可能同时指示不再尝试向当前***以及其他***获取网络服务。则终端不再尝试在任意一个***中建立与UAVC之间用于C2通信的会话。
对于原因值为重定向指示的情况：
在一种可能的实现方式中，会话管理功能网元接收到的第一指示信息指示终端不能通过第一***获得网络服务，第一***包括终端的当前接入***，但是能够通过第二***获得网络服务。在这种情况下，会话管理功能网元向终端发送第三消息，第三消息中对应的原因值为重定向指示。则终端可能采取多种措施离开当前***重定向接入到重定向指示的***，即重定向接入到第二***。在这种场景下，原因值可以直接指示可以重定向的第二***，第二***包括一个或多个***。或者原因值可以不直接指示可以重定向的第二***。应理解，本申请实施例对此不作限定。示例性的，若原因值指示重定向到EPS，则终端离开当前***，重定向到EPS。
需要说明的是，终端离开当前***的方式可以包括去使能N1模式能力，去注册，去使能E-UTRA能力，去附着等方式，应理解，本申请实施例对此不作限定。
在另一种可能的实现方式中，在网络能力不支持的场景下，会话管理功能网元可能提 供一个定时器，该定时器可以包含当前尝试接入的***，在这个定时器超时后，终端可再次在该***中尝试建立与UAVC之间用于C2通信的会话。
下面结合图4至图6，对本申请实施例的一种通信管理的方法进行详细描述。图4是本申请实施例的一种通信管理的方法的示意性流程图，如图4所示，该方法包括：
在S410中，终端与业务管理功能网元之间进行飞行路径授权流程。
具体地，终端在授权流程中将UAV计划的飞行路径发送给业务管理功能网元，飞行路径授权过程中业务管理功能网元获得了UAV的计划飞行路径和时间等信息。应理解，飞行路径授权可以通过多种方式进行，例如通过控制面，用户面，线下等方式进行飞行路径授权，本申请实施例对于飞行路径授权的具体方式在此不作限定。
应理解，S410为可选的步骤。
在S420中，会话管理功能网元接收来自终端的会话/连接建立请求。
具体地，UAV发起会话/连接建立流程，这里的会话/连接可以是用于C2通信的会话/连接。应理解，会话建立流程或连接建立流程也可以是会话修改流程或连接修改流程，对应的建立请求/建立接受/建立拒绝可以是修改请求/修改命令/修改拒绝。本申请实施例对此不作限定。
在S430中，会话管理功能网元向业务管理功能网元发送第一认证请求。
相应地，业务管理功能网元接收来自会话管理功能网元的第一认证请求，该第一认证请求可以是认证/授权请求。
应理解，该第一认证请求可以由会话管理功能网元直接发送给业务管理功能网元，也可以由会话管理功能网元发送给其他网元，再由其他网元转发给业务管理功能网元。本申请对于第一消息的发送方式在此不作限定。
在一种可能的实现方式中，需要说明的是，如果S410步骤执行，则在S420和S430中不包括飞行路径信息，第一认证请求仅用于C2通信的授权请求。
在另一种可能的实现方式中，需要说明的是，如果S410步骤不执行，则在S420和S430中包括飞行路径信息，第一认证请求不仅用于C2通信的授权请求，也用于飞行路径授权请求，具体授权方式在此不再赘述。
在另一种可能的实现方式中，步骤S420和S430可能都不执行。
在另一种可能的实现方式中，步骤S420和S430也可以在步骤S480后、步骤S490前执行，应理解，本申请实施例对步骤的执行顺序在此不作限定。
在S440中，业务管理功能网元向网络开放网元发送第二消息。
具体地，该第二消息用于请求多个***的网络能力信息。具体地，该第二消息中包括第一区域和/或第一时间范围，应理解，该第一区域包括终端的计划飞行区域，比如出发地点、目的地、途径点等；该第一时间范围包括终端的计划飞行时间范围，比如，起飞时间、降落时间等。本申请实施例对此不作限定。
应理解，第二消息可能是在现有的消息中增加新的内容，也可能是以新的消息类型形式存在，比如第二消息也可以是网络能力订阅或网络能力请求消息，本申请实施例对于消息的存在形式不作限定。
在S450中，网络开放网元将地理形式表示的位置信息转换为小区标识或追踪区域标识列表的形式表示的位置信息。
具体地，网络开放功能网元将第二消息中以地理形式表示的位置信息转换为以小区标识或追踪区域标识列表的形式表示的位置信息，再将转换后的第二消息发送给策略管理功能网元。
应理解，S450是可选的步骤，可以理解为，网络开放功能网元也可以不对位置信息进行转换，直接将地理形式表示的位置信息的第二消息转发给策略管理功能网元，本申请实施例对此不作限定。
在S451中，网络开放网元将第二消息发送给策略管理网元。
需要说明的是，若S450步骤执行，则第二消息中的位置信息以小区标识或追踪区域标识列表的形式存在，网络开放网元将转换后的第二消息发送给策略管理功能网元。若S450不执行，则第二消息中的位置信息以地理形式存在，网络开放网元将未转换的第二消息转发给策略管理功能网元。
应理解，步骤S440和步骤S451中的第二消息可以是相同的消息类型，也可以是不同的消息类型。在不同的消息类型的场景下，网络开放网元将收到的第二消息中的内容包含在另一种类型的消息(这里也称为第二消息)中，发送给策略管理功能网元。
在S460中，策略管理功能网元确定多个***的网络能力信息。
策略管理功能网元可以是在接收到第二消息后确定多个***的网络能力信息，也可以是在没有接收到第二消息的情况下确定多个***的网络能力信息。本申请实施例对此不作限定。
在一种可能的实现方式中，会话管理功能网元在收到来自终端的会话/连接建立请求后，向策略管理功能网元请求策略信息，从而触发策略管理功能网元确定多个***的网络能力信息。
在S470中，网络开放网元接收来自策略管理功能网元的第一消息。
在S471中，网络开放网元将小区标识或追踪区域标识列表的形式表示的位置信息转换为地理形式表示的位置信息。
应理解，S471是可选的步骤，可以理解为，网络开放网元也可以不对位置信息进行转换，直接将地理形式表示的位置信息的第一消息转发给业务管理功能网元，本申请实施例对此不作限定。
在S480中，业务管理功能网元接收网络开放网元转发的第一消息，该第一消息包括多个***的网络能力信息。相应的，S470和S480中的第一消息可以是相同类型的消息，也可以是不同类型的消息，在步骤S451中已描述，在此不再赘述。
需要说明的是，S460至S480中相应的步骤如S320至S330中所述，在此不再赘述。
在S490中，业务管理功能网元向会话管理功能网元发送第一指示信息。
需要说明的是，S490中相应的步骤如S340中所述，在此不再赘述。
在S491中，会话管理功能网元根据第一指示信息向终端发送第三消息。
具体地，该第三消息可以是会话/连接建立拒绝消息、会话/连接建立接受消息、会话/连接修改命令消息，会话/连接修改拒绝消息，会话/连接释放消息等，应理解，本申请实施例对此不作限定。
在一种可能的实现方式中，若第一指示信息指示终端不能通过第一***获得网络服务，且步骤S420执行，则会话管理功能网元向终端发送会话/连接建立拒绝消息(即第三消息)， 消息中携带原因值，对应为网络能力不支持，原因值可能同时指示不支持的***，即第一***不支持。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过第一***获得网络服务，且步骤S420未执行，则会话管理功能网元向终端发送会话/连接建立释放消息(即第三消息)，消息中携带原因值，对应为网络能力不支持，原因值可能同时指示不支持的***，即第一***不支持。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务，且步骤S420执行，则会话管理功能网元向终端发送会话/连接建立拒绝消息(即第三消息)，消息中携带原因值，对应为网络能力不支持，原因值可能同时用于指示不要再尝试向当前***以及其他***获取网络服务。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务，且步骤S420未执行，则会话管理功能网元向终端发送会话/连接建立释放消息(即第三消息)，消息中携带原因值，对应为网络能力不支持，原因值可能同时用于指示不要再尝试向当前***以及其他***获取网络服务。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过第一***获得网络服务，第一***包括终端的当前接入***，但是能够通过第二***获得网络服务。且步骤S420执行，则会话管理功能网元向终端发送会话/连接建立拒绝消息(即第三消息)，消息中携带原因值，对应为重定向指示。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过第一***获得网络服务，第一***包括终端的当前接入***，但是能够通过第二***获得网络服务。且步骤S420未执行，则会话管理功能网元向终端发送会话/连接建立释放消息(即第三消息)，消息中携带原因值，对应为重定向指示。
需要说明的是，第三消息中包含两种不同的原因值(网络能力不支持和重定向指示)对应的具体情况以及终端接收到相应指示后的行为如S350所述，此处不再赘述。
图5是本申请实施例的一种通信管理的方法的示意性流程图，如图5所示，该方法包括：
在S510中，终端与业务管理功能网元之间进行飞行路径授权流程。
需要说明的是，步骤S510如步骤S410中所述，在此不再赘述。
在S520中，终端向移动管理网元发送注册请求。
在S521中，移动管理网元向终端发送注册响应。
移动管理网元是一种用于对终端的移动性进行管理的网元，示例性的，在4G中，移动管理网元可以是MME网元，在5G中，移动管理网元可以是AMF网元。本申请实施例对此不作限定。
具体地，移动管理网元确认允许UAV以普通UE的身份注册到3GPP网络，若确定需要进一步认证授权UAV是否可以执行UAV操作，则可选的在发送注册接受消息的同时包含待UAV认证授权的指示(pending UUAA)。具体来说，待UAV认证授权指示用于指示UAV通过了3GPP***的授权认证，但还需要3GPP***向USS/UTM请求进一步的UAV认证授权，在得到USS/UTM的授权认证成功响应前，UAV不能发起与UAVC之间的C2通信。应理解，在发送注册接受消息的同时也可以不包含待UAV认证授权指示， 本申请实施例对此不作限定。
在S530中，移动管理网元向业务管理功能网元发送第一认证请求。
在S540中，业务管理功能网元向网络开放功能网元发送第二消息。
在S550中，网络开放功能网元将地理形式表示的位置信息转换为小区标识或追踪区域标识列表的形式表示的位置信息。
在S551中，策略管理功能网元向网络开放功能网元发送第一消息。
在S560中，策略管理功能网元确定多个***的网络能力信息。
在S570中，业务管理功能网元接收来自策略管理功能网元的第一消息。
在S571中，网络开放功能网元将小区标识或追踪区域标识列表的形式表示的位置信息转换为地理形式表示的位置信息。
在S580中，业务管理功能网元接收网络开放功能网元转发的第一消息，该第一消息包括多个***的网络能力信息。
需要说明的是，S540至S580中相应的步骤如S440至S480中所述，在此不再赘述。
在S590中，业务管理功能网元向移动管理网元发送第一指示信息。
具体地，业务管理功能网元向移动管理网元发送第一指示信息，相应地，移动管理网元接收来自业务管理功能网元的第一指示信息。该第一指示信息于指示终端能否通过多个***获得网络服务。应理解，步骤S590发送第一指示信息的具体情况与步骤S340类似，在此不再赘述。
在S591中，移动管理功能网元根据第一指示信息向终端发送第三消息。
具体地，该第三消息可以是配置更新命令消息，或去注册请求消息，应理解，本申请实施例对此不作限定。
在一种可能的实现方式中，若第一指示信息指示终端不能通过第一***获得网络服务，则移动管理功能网元向终端发送第三消息，消息中携带原因值，对应为网络能力不支持，原因值可能同时用于指示不支持的***，即第一***不支持。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务，则移动管理功能网元向终端发送第三消息，消息中携带原因值，对应为网络能力不支持，原因值可能同时用于指示不要再尝试向当前***以及其他***获取网络服务。
在另一种可能的实现方式中，若第一指示信息指示终端不能通过第一***获得网络服务，第一***包括终端的当前接入***，但是能够通过第二***获得网络服务。则移动管理功能网元向终端发送第三消息，消息中携带原因值，对应为重定向指示。
需要说明的是，第三消息中包含两种不同的原因值(网络能力不支持和重定向指示)对应的具体情况以及终端接收到相应指示后的行为如S350所述，此处不再赘述。
在另一种可能的实现方式中，若UAV在注册后建立了与UAVC之间的C2通信，则移动管理功能网元将收到的第一指示信息发送给会话管理功能网元。会话管理功能网元收到第一指示信息后的处理如S491所述，在此不再赘述。
图6是本申请实施例的一种通信管理的方法的示意性流程图，如图6所示，该方法包括：
在S610中，终端向移动管理网元发送注册请求。
在S620中，移动管理网元向策略管理功能网元发送第一请求消息。
具体地，该第一请求消息可以是网络能力订阅或网络能力请求，第一请求消息中包括潜在的注册区域，移动管理网元根据移动模型和允许/不允许区域等为UAV确定潜在的注册区域，可以理解为：移动管理网元根据UAV之前的飞行路径推测可能飞行的路径信息，也就是说，潜在的注册区域应该尽可能地包括UAV可能的飞行路径。应理解，潜在的注册区域可以是追踪区域标识列表或小区标识列表。本申请实施例对此不作限定。
需要说明的是，移动模型是5G中的一个概念，移动管理网元通过终端的签约、终端移动的统计信息、网络本地配置和终端提供的辅助信息等确定和更新移动模型。本申请实施例对此不作限制。
在S630中，策略管理功能网元向移动管理网元发送第一指示信息。
策略管理功能网元在确定网络能力信息后，向移动管理网元发送第一指示信息，该第一指示信息用于指示终端能否通过多个***获得网络服务。应理解，本申请实施例对此不作限制。
在一种可能的实现方式中，策略管理功能网元接收到终端飞行路径上的多个***的网络能力信息后，根据多个***中的至少一个第一***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过该第一***获得网络服务。在此情况下，向移动管理网元发送第一指示信息，该第一指示信息指示终端不能通过第一***获得网络服务。
在另一种可能的实现方式中，策略管理功能网元接收到终端飞行路径上的多个***的网络能力信息后，根据多个***中的至少一个第一***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过该第一***获得网络服务，但是多个***中的第二***的网络能力信息在飞行路径上支持C2通信，第一***与第二***没有交集。在此情况下，向移动管理网元发送第一指示信息，该第一指示信息指示终端不能通过第一***获得网络服务，但是能够重定向至该第二***获得网络服务。
在另一种可能的实现方式中，策略管理功能网元接收到终端的路径上的多个***的网络能力信息后，根据多个***中的任意一个***的网络能力信息在飞行路径上不支持C2通信，确定终端不能通过任意一个***获得网络服务。在此情况下，向移动管理网元发送第一指示信息，该第一指示信息指示终端不通过多个***中的任意一个***获得网络服务。
在另一种可能的实现方式中，策略管理功能网元在接收到终端路径上的多个***的网络能力信息后，可以直接将多个***的网络能力信息发送给移动管理网元，由移动管理网元根据多个***的网络能力信息，确定多个***的网络能力是否支持，可能是以下三种情况：即终端不能通过第一***获得网络服务，终端可以重定向至第二***获得网络服务，以及终端不能通过多个***中的任意一个***获得网络服务。
应理解，策略管理功能网元还可以是签约数据管理网元，即移动管理网元也可以向签约数据管理网元发送第一请求消息。本申请在此不再赘述。
签约数据管理网元是一种用于对签约数据进行管理的网元，示例性的，在4G中，签约数据管理网元可以是归属签约服务器(home subscriber server，HSS)网元，在5G中，签约数据管理网元可以是统一数据管理(unified data management，UDM)网元。本申请实施例对此不作限定。
在S640中，移动管理功能网元向终端发送注册响应。
具体地，AMF根据接收到的第一指示信息或网络能力信息向终端发送注册响应。需要说明的是，若AMF接收到网络能力信息，则AMF进一步判断网络能力是否支持或需要重定向，根据具体情况向终端发送注册响应。注册响应可以是注册接收消息或注册拒绝消息，具体情况如下所述。
在一种可能的实现方式中，若AMF根据接收到的第一指示信息指示或者AMF根据网络能力信息确定终端不能通过第一***获得网络服务，则向终端发送注册拒绝消息，并在消息中指示网络能力不支持，消息中也可能同时指示不支持的***，即第一***。在此情况下，终端不再尝试在第一***中建立与UAVC之间用于C2通信的会话。
在另一种可能的实现方式中，若AMF根据接收到的第一指示信息指示或者AMF根据网络能力信息确定终端不能通过第一***获得网络服务，但是能够通过重定向至第二***获得网络服务。则向终端发送注册拒绝消息，消息中指示需要重定向，消息中也可能同时指示可重定向的***，即第二***。在此情况下，终端不再尝试在第一***中建立C2通信，而尝试在第二***中建立C2通信。
在另一种可能的实现方式中，若AMF根据接收到的第一指示信息指示或者AMF根据网络能力信息确定终端不能通过多个***中的任意一个***获得网络服务。则向终端发送注册拒绝消息，并在消息中指示网络能力不支持，消息中也可能同时指示不再尝试向当前***以及其他***获取网络服务。在此情况下，终端不再尝试在任意一个***中建立与UAVC之间用于C2通信的会话。
在另一种可能的实现方式中，若AMF根据第一指示信息指示或者AMF根据网络能力信息终端能够通过第一***获得网络服务，则向终端发送注册接收消息，并可能在消息中指示网络能力支持，在此情况下，终端可以尝试在第一***中建立C2通信。
图7是根据本申请的业务管理功能网元700的示意性框图。如图7所示，该业务管理功能网元700包括以下模块。
接收模块710，用于接收第一消息，该第一消息包括多个***的网络能力信息，多个***包括可供终端选择的***，网络能力信息是多个***在第一区域内和第一时间范围内的至少一个为终端提供网络服务的能力信息，第一区域包括所述终端的计划飞行区域，第一时间范围包括终端的计划飞行时间范围；
确定模块720，根据多个***的网络能力信息，确定终端能否通过第一***获得网络服务，该第一***是多个***中的一个或多个；
发送模块730，用于发送第一指示信息，第一指示信息指示终端能否通过第一***获得网络服务。
在一些实施例中，发送模块730具体用于：第一指示信息指示终端不能通过第一***获得网络服务。
在一些实施例中，发送模块730还用于：第一指示信息指示终端能够通过第二***获得网络服务；其中，第二***是多个***中的一个或多个，且第一***与第二***没有交集。
在一些实施例中，发送模块730还用于：第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。
在一些实施例中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少 一个允许终端获得网络服务的区域信息或不允许终端获得所述网络服务的区域信息。
在一些实施例中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个不存在为终端获得网络服务的网络覆盖区域信息或存在为终端获得网络服务的网络覆盖区域信息。
在一些实施例中，发送模块730还用于：发送第二消息，第二消息请求多个***的网络能力信息；其中，第二消息包括第一区域和/或第一时间范围。
图8是根据本申请的策略管理功能网元800的示意性框图。如图8所示，该策略管理功能网元800包括以下模块。
确定模块810，用于确定多个***的网络能力信息，多个***包括可供终端选择的***，网络能力信息是多个***在第一区域内和/或第一时间范围内为终端提供网络服务的能力信息，第一区域包括终端的计划飞行区域，第一时间范围包括终端的计划飞行时间范围；
发送模块820，用于发送第一消息，第一消息包括多个***的网络能力信息。
或者，发送模块820还用于：根据多个***的网络能力信息，发送第一指示信息，第一指示信息指示终端能否通过第一***获得网络服务；
其中，第一***是多个***中的一个或多个，且第一***包括终端的当前接入***。
在一些实施例中，发送模块820具体用于：第一指示信息指示终端不能通过第一***获得网络服务。
在一些实施例中，发送模块820具体用于：第一指示信息指示终端重定向到第二***获得网络服务；其中，第二***是多个***中的一个或多个，且第一***与第二***没有交集。
在一些实施例中，发送模块820还用于：第一指示信息指示终端不能通过多个***中的任意一个***获得网络服务。
在一些实施例中，在确定多个***的网络能力信息之前，还包括：
接收模块830，用于接收第二消息，第二消息请求多个***的网络能力信息，第二消息包括第一区域和/或第一时间范围；
确定模块810还用于，根据第二消息确定多个***的网络能力信息。
在一些实施例中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个允许终端获得网络服务的区域信息或不允许终端获得网络服务的区域信息。
在一些实施例中，该网络能力信息是多个***在第一区域内和第一时间范围内的至少一个不存在为终端获得网络服务的网络覆盖区域信息或存在为终端获得网络服务的网络覆盖区域信息。
图9是根据本申请的会话管理功能网元900的示意性框图。如图9所示，该会话管理功能网元900包括以下模块。
接收模块910，用于接收第一指示信息，第一指示信息指示终端能否通过第一***在第一区域内和第一时间范围内的至少一个获得网络服务；
发送模块920，用于根据第一指示信息向终端发送第三消息，第三消息指示是否允许终端通过第一***获得网络服务；
其中，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端 的计划飞行时间范围，第一***是多个***中的一个或多个，多个***包括可供终端选择的***，第一***包括终端的当前接入***。
在一些实施例中，第一指示信息指示终端不能通过第一***获得网络服务；
发送模块920具体用于：第三消息指示不允许终端通过第一***获得网络服务。
在一些实施例中，发送模块920具体用于：第三消息指示终端重定向到第二***获得网络服务，其中，第二***是多个***中的一个或多个，且第一***与第二***没有交集；
在一些实施例中，发送模块具体用于：第三消息指示不允许终端通过多个***中的任意一个***获得网络服务。
图10示出了本申请提供的通信设备1000的示意性框图，所述通信设备1000包括：
存储器1010，用于存储程序，所述程序包括代码；
收发器1020，用于和其他设备进行通信；
处理器1030，用于执行存储器1010中的程序代码。
可选地，当所述代码被执行时，所述处理器1030可以实现方法的各个操作，为了简洁，在此不再赘述。收发器1020用于在处理器1030的驱动下执行具体的信号收发。
通信设备1000可以为上述业务管理功能网元、策略管理功能网元、会话管理功能网元的任意一个，执行确定模块的操作，收发器可以包括发射机和/或接收机，分别执行发送模块及接收模块相应的步骤。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的***、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的***、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上对做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器， 或者网络设备等)执行本申请各个实施例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。
本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况，其中A可以是单数或者复数，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。
本文中术语“……中的至少一个”或“……中的至少一种”，表示所列出的各项的全部或任意组合，例如，“A、B和C中的至少一种”，可以表示：单独存在A，单独存在B，单独存在C，同时存在A和B，同时存在B和C，同时存在A、B和C这六种情况，其中A可以是单数或者复数，B可以是单数或者复数，C可以是单数或者复数。
可以理解，在本申请各实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (37)

  1. 一种通信管理的方法，其特征在于，所述方法由业务管理功能网元执行，包括：
    接收第一消息，所述第一消息包括多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    根据所述多个***的网络能力信息，确定所述终端能否通过第一***获得所述网络服务，所述第一***是所述多个***中的一个或多个；
    发送第一指示信息，所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务。
  2. 根据权利要求1所述的方法，其特征在于，所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务，包括：
    所述第一指示信息指示所述终端不能通过所述第一***获得所述网络服务。
  3. 根据权利要求2所述的方法，其特征在于，还包括：
    所述第一指示信息指示所述终端能够通过第二***获得所述网络服务；
    其中，所述第二***是所述多个***中的一个或多个，且所述第一***与所述第二***没有交集。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，包括：
    发送第二消息，所述第二消息请求所述多个***的网络能力信息；
    其中，所述第二消息包括所述第一区域和/或所述第一时间范围。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个允许所述终端获得所述网络服务的区域信息或不允许所述终端获得所述网络服务的区域信息。
  6. 根据权利要求1至4中任一项所述的方法，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个不存在为所述终端获得所述网络服务的网络覆盖区域信息或存在为所述终端获得所述网络服务的网络覆盖区域信息。
  7. 一种通信管理的方法，其特征在于，所述方法由策略管理功能网元执行，包括：
    确定多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    发送第一消息，所述第一消息包括所述多个***的网络能力信息。
  8. 一种通信管理的方法，其特征在于，所述方法由策略管理功能网元执行，包括：
    确定多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络 服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    根据所述多个***的网络能力信息，发送第一指示信息，所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务；
    其中，所述第一***是所述多个***中的一个或多个，且所述第一***包括所述终端的当前接入***。
  9. 根据权利要求8所述的方法，其特征在于，
    所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务，包括：
    所述第一指示信息指示所述终端不能通过所述第一***获得所述网络服务。
  10. 根据权利要求9所述的方法，其特征在于，还包括：
    所述第一指示信息指示所述终端重定向到所述第二***获得所述网络服务；
    其中，所述第二***是所述多个***中的一个或多个，且所述第一***与所述第二***没有交集。
  11. 根据权利要求7或8所述的方法，其特征在于，在所述确定多个***的网络能力信息之前，所述方法还包括：
    接收第二消息，所述第二消息请求所述多个***的网络能力信息，所述第二消息包括所述第一区域和/或所述第一时间范围；
    根据所述第二消息，确定所述多个***的网络能力信息。
  12. 根据权利要求7或8中所述的方法，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个允许所述终端获得所述网络服务的区域信息或不允许所述终端获得所述网络服务的区域信息。
  13. 根据权利要求7或8中所述的方法，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个不存在为所述终端获得所述网络服务的网络覆盖区域信息或存在为所述终端获得所述网络服务的网络覆盖区域信息。
  14. 一种通信管理的方法，其特征在于，所述方法由会话管理功能网元执行，包括：
    接收第一指示信息，所述第一指示信息指示终端能否通过第一***在第一区域内和第一时间范围内的至少一个获得网络服务；
    根据所述第一指示信息向终端发送第三消息，所述第三消息指示是否允许所述终端通过所述第一***获得所述网络服务；
    其中，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围，所述第一***是所述多个***中的一个或多个，所述多个***包括可供终端选择的***，所述第一***包括所述终端的当前接入***。
  15. 根据权利要求14所述的方法，其特征在于，
    所述第三消息指示是否允许所述终端通过所述第一***获得所述网络服务，包括：
    所述第三消息指示不允许所述终端通过所述第一***获得所述网络服务。
  16. 根据权利要求15所述的方法，其特征在于，还包括：
    所述第三消息指示所述终端重定向到所述第二***获得所述网络服务；
    其中，所述第二***是所述多个***中的一个或多个，且所述第一***与所述第二***没有交集。
  17. 一种通信管理的方法，其特征在于，包括：
    策略管理功能网元确定多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    所述策略管理功能网元向业务管理功能网元发送第一消息，所述第一消息包括所述多个***的网络能力信息；
    所述业务管理功能网元根据所述多个***的网络能力信息，确定所述终端能否通过第一***获得所述网络服务，所述第一***是所述多个***中的一个或多个；
    所述业务管理功能网元向会话管理功能网元发送第一指示信息，所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务；
    所述会话管理功能网元根据所述第一指示信息向终端发送第三消息，所述第三消息指示是否允许所述终端通过所述第一***获得所述网络服务。
  18. 一种业务管理功能网元，其特征在于，包括：
    接收模块，用于接收第一消息，所述第一消息包括多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    确定模块，根据所述多个***的网络能力信息，确定所述终端能否通过第一***获得所述网络服务，所述第一***是所述多个***中的一个或多个；
    发送模块，用于发送第一指示信息，所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务。
  19. 根据权利要求18所述的业务管理功能网元，其特征在于，所述发送模块具体用于：
    所述第一指示信息指示所述终端不能通过所述第一***获得所述网络服务。
  20. 根据权利要求19所述的业务管理功能网元，其特征在于，所述发送模块还用于：
    所述第一指示信息指示所述终端能够通过第二***获得所述网络服务；
    其中，所述第二***是所述多个***中的一个或多个，且所述第一***与所述第二***没有交集。
  21. 根据权利要求18至20中任一项所述的业务管理功能网元，其特征在于，所述发送模块具体用于：
    发送第二消息，所述第二消息请求所述多个***的网络能力信息；
    其中，所述第二消息包括所述第一区域和/或所述第一时间范围。
  22. 根据权利要求18至21中任一项所述的业务管理功能网元，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个允许所述终端获得所述网络服务的区域信息或不允许所述终端获得所述网络服务的区域信息。
  23. 根据权利要求18至21中任一项所述的业务管理功能网元，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个不存在为所述终端获得所述网络服务的网络覆盖区域信息或存在为所述终端获得所述网络服务的网络覆盖区域信息。
  24. 一种策略管理功能网元，其特征在于，包括：
    确定模块，用于确定多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    发送模块，用于发送第一消息，所述第一消息包括所述多个***的网络能力信息。
  25. 一种策略管理功能网元，其特征在于，包括：
    确定模块，用于确定多个***的网络能力信息，所述多个***包括可供终端选择的***，所述网络能力信息是所述多个***在第一区域内和第一时间范围内的至少一个为所述终端提供网络服务的能力信息，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围；
    发送模块，根据所述多个***的网络能力信息，发送第一指示信息，所述第一指示信息指示所述终端能否通过所述第一***获得所述网络服务；
    其中，所述第一***是所述多个***中的一个或多个，且所述第一***包括所述终端的当前接入***。
  26. 根据权利要求25所述的策略管理功能网元，其特征在于，所述发送模块具体用于：
    所述第一指示信息指示所述终端不能通过所述第一***获得所述网络服务。
  27. 根据权利要求26所述的策略管理功能网元，其特征在于，所述发送模块具体用于：
    所述第一指示信息指示所述终端重定向到所述第二***获得所述网络服务；
    其中，所述第二***是所述多个***中的一个或多个，且所述第一***与所述第二***没有交集。
  28. 根据权利要求24或25所述的策略管理功能网元，其特征在于，在所述确定多个***的网络能力信息之前，还包括：
    接收模块，用于接收第二消息，所述第二消息请求所述多个***的网络能力信息，所述第二消息包括所述第一区域和/或所述第一时间范围；
    所述确定模块还用于，根据所述第二消息确定所述多个***的网络能力信息。
  29. 根据权利要求24或25所述的策略管理功能网元，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个允许所述终端获得所述网络服务的区域信息或不允许所述终端获得所述网络服务的区域信息。
  30. 根据权利要求24或25所述的策略管理功能网元，其特征在于，
    所述网络能力信息是所述多个***在所述第一区域内和所述第一时间范围内的至少一个不存在为所述终端获得所述网络服务的网络覆盖区域信息或存在为所述终端获得所 述网络服务的网络覆盖区域信息。
  31. 一种会话管理功能网元，其特征在于，包括：
    接收模块，用于接收第一指示信息，所述第一指示信息指示终端能否通过第一***在第一区域内和第一时间范围内的至少一个获得网络服务；
    发送模块，用于根据所述第一指示信息向终端发送第三消息，所述第三消息指示是否允许所述终端通过所述第一***获得所述网络服务；
    其中，所述第一区域包括所述终端的计划飞行区域，所述第一时间范围包括所述终端的计划飞行时间范围，所述第一***是所述多个***中的一个或多个，所述多个***包括可供终端选择的***，所述第一***包括所述终端的当前接入***。
  32. 根据权利要求31所述的会话管理功能网元，其特征在于，
    所述发送模块具体用于：所述第三消息指示不允许所述终端通过所述第一***获得所述网络服务。
  33. 根据权利要求32所述的会话管理功能网元，其特征在于，
    所述发送模块具体用于：所述第三消息指示所述终端重定向到所述第二***获得所述网络服务；
    其中，所述第二***是所述多个***中的一个或多个，且所述第一***与所述第二***没有交集。
  34. 一种通信装置，其特征在于，包括业务管理功能网元、策略管理功能网元以及会话管理功能网元，
    所述业务管理功能网元用于执行如权利要求1至6中任一项所述的方法；或者，
    所述策略管理功能网元用于执行如权利要求7至13中任一项所述的方法；或者，
    所述会话管理功能网元用于执行如权利要求14至16中任一项所述的方法。
  35. 一种计算机可读存储介质，其特征在于，所述计算机存储介质存储有程序指令，当所述指令被执行时，使得业务管理功能网元可以执行如权利要求1至6中任一项权利要求所述的方法；或者，
    当所述指令被执行时，使得策略管理功能网元可以执行如权利要求7至13中任一项权利要求所述的方法；或者，
    当所述指令被执行时，使得会话管理功能网元可以执行如权利要求14至16中任一项权利要求所述的方法。
  36. 一种芯片***，其特征在于，包括：至少一个处理器，所述至少一个处理器用于执行存储的指令，使得业务管理功能网元可以执行如权利要求1至6中任一项权利要求所述的方法；或者，
    所述至少一个处理器用于执行存储的指令，使得策略管理功能网元可以执行如权利要求7至13中任一项权利要求所述的方法；或者，
    所述至少一个处理器用于执行存储的指令，使得会话管理功能网元可以执行如权利要求14至16中任一项权利要求所述的方法。
  37. 一种***，其特征在于，所述***包括：
    如权利要求18至23中任一项所述的业务管理功能网元；和/或，
    如权利要求24至30中任一项所述的策略管理功能网元；和/或，
    如权利要求31至33中任一项所述的会话管理功能网元。
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