Abstract: A location obtaining method includes requesting, from a network, to obtain locations of a first terminal device and a second terminal device at a same time point, and receiving the locations that are fed back by the network and that are of the first terminal device and the second terminal device at the same time point. The locations of the first terminal device and the second terminal device at the same time point are obtained.

Abstract: A session management method performed by a session management network element includes receiving a first request message, where the first request message is used to request to establish a first session for a terminal, determining to establish the first session as an always-on session, where the always-on session is a session for which user-plane resources are activated when the terminal is transitioned from an idle mode to a connected mode, and sending a first response message to the terminal, where the first response message is used to indicate that the session management network element accepts to establish the first session, the first response message comprises first indication information, and the first indication information is used to indicate that the first session is an always-on session.

Abstract: This application disclose a processing method of an abnormally behaving unmanned aerial vehicle, a network element, a system, and a storage medium, to detect a data packet for transmitting non-C2 data. The method includes: An SMF network element provides a first rule for a UPF network element, where the first rule indicates the UPF network element to detect, from a target transmission data packet, the data packet for transmitting the non-command and control C2 data, and the target transmission data packet is a data packet between the UAV and the UAVC; the SMF network element receives a first session report sent by the UPF network element; and the SMF network element sends an abnormal traffic report to the first network element based on the first session report.

Abstract: A session management method performed by a session management network element includes receiving a first request message, where the first request message is used to request to establish a first session for a terminal, determining to establish the first session as an always-on session, where the always-on session is a session for which user-plane resources are activated when the terminal is transitioned from an idle mode to a connected mode, and sending a first response message to the terminal, where the first response message is used to indicate that the session management network element accepts to establish the first session, the first response message comprises first indication information, and the first indication information is used to indicate that the first session is an always-on session.

Abstract: Embodiments of this application provide a session processing method and apparatus. When a quantity of sessions of a terminal device that each have an activated user plane connection is not less than a quantity threshold, the terminal device determines to deactivate a user plane connection of at least one first session, where the sessions that each have the activated user plane connection include the at least one first session. The terminal device sends a first request message to a first network element, where the first request message includes indication information, and the indication information indicates to deactivate the user plane connection of the at least one first session.

Abstract: In a communication method when a preset quantity of terminal devices is allowed to simultaneously use a user identifier and a terminal device expects to use the user identifier, the terminal device sends a first message including the user identifier to a first network element. The first network element determines, based on information about the user identifier, whether the first terminal device is allowed to use the user identifier.

Abstract: Embodiments of this application provide a communication method and apparatus, and a device. The method includes: A network device determines first user slice information of a first user. The network device sends the first user slice information to a terminal device, where the terminal device is a terminal device used by the first user, and a user slice indicated by the first user slice information is a user slice used by the first user. This improves flexibility of performing communication by using a network slice.

Abstract: This application discloses an abnormal offline state determining method and a related apparatus. The method includes: An access and mobility management function network element (AMF) obtains location information when an uncrewed aerial vehicle enters or leaves an offline state. If a location indicated by the location information is outside a target offline area, the AMF marks a state of the uncrewed aerial vehicle as an abnormal offline state. The AMF sends a state identifier of the abnormal offline state to an unmanned aircraft system traffic management network element (UTM).

Abstract: The present invention discloses a flight area management method for an uncrewed aerial vehicle and a related apparatus. The method includes: An access and mobility management function AMF obtains flight area exception information of an uncrewed aerial vehicle, where the flight area exception information indicates that the uncrewed aerial vehicle is not located in a normal flight area. The AMF sends a flight area exception notification message to an uncrewed aerial system traffic management UTM, where the flight area exception notification message is used to indicate that the uncrewed aerial vehicle is not located in the normal flight area. When flight area exception occurs on the uncrewed aerial vehicle, using the UTM to control the uncrewed aerial vehicle can improve controlling safety for the uncrewed aerial vehicle.

Abstract: Embodiments of this application provide a method for detecting an unauthorized uncrewed aerial vehicle, an apparatus, and a system. An AMF sends a tracking indication message to a network device, where the tracking indication message is used to indicate to report attribute information of user equipment in a coverage area of the network device when the attribute information of the user equipment meets a preset condition; and obtains the attribute information of the user equipment. In this way, after the attribute information of the user equipment is obtained, an identity status of the user equipment may be identified based on the attribute information of the user equipment, that is, whether the user equipment is an unauthorized uncrewed aerial vehicle is identified. This implements detection on an unauthorized uncrewed aerial vehicle that has accessed the 3GPP network.

Abstract: A wireless network communication method, a network device, and a terminal, where the method includes: An uncrewed aerial vehicle traffic management entity receives an authorization request. The uncrewed aerial vehicle traffic management entity sends an authorization response. The authorization request is used to request authorization to control an uncrewed aerial vehicle by a terminal, and the authorization response is used to indicate whether the terminal is allowed to control the uncrewed aerial vehicle. Alternatively, the authorization request is used to request authorization to pair a terminal with an uncrewed aerial vehicle controller, and the authorization response is used to indicate whether the terminal is allowed to be paired with the uncrewed aerial vehicle controller.

Abstract: A method for control of an unmanned aerial vehicle includes: determining, by UTM, that a control device of an unmanned aerial vehicle UAV is to be handed over; and sending, by the UTM, a hosting command to a network device, to enable the network device to indicate, according to the hosting command, that the UAV is to hand over the control device of the UAV, where the hosting command is used to hand over the control device of the UAV, and the hosting command includes indication information used for handing over the control device of the UAV and information about the UAV. In this way, the UTM controls a connected UAV and a control device of the UAV by using a communications network.

Abstract: A communication method and apparatus. According to the communication method, a session management function (SMF) receives a first message sent by a first terminal apparatus. The first message is used to request the SMF to establish a first session for the first terminal apparatus. The first message is further used to indicate that the first session is used for communication between the first terminal apparatus and a second terminal apparatus. The first terminal apparatus and the second terminal apparatus belong to a same unmanned aerial vehicle communication system. Then, the SMF sends address information of the first terminal apparatus to a first management network element based on the first message. This provides a possibility of exchanging address information of terminal apparatuses in an unmanned aerial vehicle communication system.

Abstract: The ore intelligence sorting apparatus and method based on X-rays discernment includes a feeding unit with a toothed classifier, an X ray excitation unit with filter, a characteristic spectrum receiving unit with filter, a computer analysis and control unit with a central control unit, a spectral acquisition system, an industrial computer and an instruction output system, and a separator unit with a cylinder and a wear-resistant kick plate. The feeding unit is fed by a vibrating feeder and grading materials by a toothed classifier, and the measured ore is stimulated by the X ray excitation unit to produce a characteristic x ray spectra. The characteristic spectrum receiving unit receives the characteristic x ray spectrum which is then analyzed by the computer analysis and control unit, and a sorting instruction is output based on the analysis results. The invention is used for sorting magnetic or non-magnetic ores in a concentrator.

Abstract: Methods, systems, and apparatus for rate control are provided. In one aspect, a rate control method includes: receiving, by a control device, a connection establishment request from a terminal, the connection establishment request being for establishing a connection for the terminal to transmit data, and sending, by the control device, rate control time management information to a data sending device. The data sending device is configured to perform rate control over the data sent through the connection based on the time management information. The ratio control time management information includes start time indication information of a rate control time unit used for rate control, and the start time indication information indicates a start time of the rate control time unit.

Abstract: An intelligent magnetic microfluidic concentrator employs a technique of feeding ores circumferentially and allowing tailings to overflow centrally upward. The intelligent magnetic microfluidic concentrator comprises a sorting system consisting of an ore feeding chute, an overflow chute, an overflow tank, a sorting tank, and a magnetic system, the overflow tank is disposed at an upper portion of the sorting tank, the ore feeding chute is disposed at the top of the overflow tank, the ore feeding chute feeds an ore slurry to the upper portion of the sorting tank circumferentially along an inner wall of the sorting tank, and the tailings overflow out upward from the overflow tank disposed centrally and located at the upper half portion of the sorting tank. A magnetic microfluidic concentrator and a complete set of beneficiation equipment are also provided.

Abstract: A session management method performed by a session management network element includes receiving a first request message, where the first request message is used to request to establish a first session for a terminal, determining to establish the first session as an always-on session, where the always-on session is a session for which user-plane resources are activated when the terminal is transitioned from an idle mode to a connected mode, and sending a first response message to the terminal, where the first response message is used to indicate that the session management network element accepts to establish the first session, the first response message comprises first indication information, and the first indication information is used to indicate that the first session is an always-on session.

Abstract: The ore intelligence sorting apparatus and method based on X-rays discernment includes a feeding unit with a toothed classifier, an X ray excitation unit with filter, a characteristic spectrum receiving unit with filter, a computer analysis and control unit with a central control unit, a spectral acquisition system, an industrial computer and an instruction output system, and a separator unit with a cylinder and a wear-resistant kick plate. The feeding unit is fed by a vibrating feeder and grading materials by a toothed classifier, and the measured ore is stimulated by the X ray excitation unit to produce a characteristic x ray spectra. The characteristic spectrum receiving unit receives the characteristic x ray spectrum which is then analyzed by the computer analysis and control unit, and a sorting instruction is output based on the analysis results. The invention is used for sorting magnetic or non-magnetic ores in a concentrator.

Abstract: An intelligent magnetic microfluidic concentrator employs a technique of feeding ores circumferentially and allowing tailings to overflow centrally upward. The intelligent magnetic microfluidic concentrator comprises a sorting system consisting of an ore feeding chute, an overflow chute, an overflow tank, a sorting tank, and a magnetic system, the overflow tank is disposed at an upper portion of the sorting tank, the ore feeding chute is disposed at the top of the overflow tank, the ore feeding chute feeds an ore slurry to the upper portion of the sorting tank circumferentially along an inner wall of the sorting tank, and the tailings overflow out upward from the overflow tank disposed centrally and located at the upper half portion of the sorting tank. A magnetic microfluidic concentrator and a complete set of beneficiation equipment are also provided.

Abstract: An intelligent elutriation magnetic separator includes a material feeding trough, an overflow trough, a separation tank, excitation coils, a balance column, an outer cover, a water supply system, a lower cone, a concentrate discharging system and sensors. The excitation coils are sleeved outside the periphery of the separation tank, and the outer cover is sleeved outside the excitation coils. The balance column is mounted on the inner sides of the separation tank; the balance column and the separation tank are coaxially mounted; and the water supply system is located on the separation tank. The lower cone and the separation tank are mounted intercommunicated at the bottom. The concentrate discharging system is mounted on the bottom of the lower cone; and the sensor is mounted on the lower cone for measuring the slurry concentration in the separation tank. An automatic intelligent program is used to control the intelligent elutriation magnetic separator.