MODULARIZED MAGNET SEPARATION UNIT

A modular magnetic separation apparatus set has a processing capacity increased by increasing the number of the unit modules of the magnetic separation apparatus set, being suitable for all enrichment processes of magnetic minerals. One modular unit is defined with a separation wheel and its two neighboring magnet-concentration cores and two corresponding excitation coils and a charging hopper and a discharging hopper of magnetic materials, each unit being combined of multiple identical modular units. The modular magnetic separation apparatus solves the conflicts between the transportation of apparatus after the enlargement and the height and width restrictions on general roads, including more reasonable conditions for separate transportation. 1. A modular magnetic separation apparatus , comprising:excitation coils, magnet-concentration cores, separation wheels, a magnetic materials collecting hopper, a non-magnetic material discharging hopper, a material oscillator, a wheel water-washing device, a support, a wheel driving device, a material flow separation duct, a magnetic material gathering hopper and a charging hopper;wherein the excitation coils revolve around the outside of magnet-concentration cores, the separation wheels being located between the two pole heads of the magnet-concentration cores, the magnetic materials collecting hopper being located between the magnetic separation wheels and the excitation coils, the non-magnetic material discharging hopper being located under the magnetic separation wheels and the magnet-concentration cores, the material oscillator being located on one side of the non-magnetic material discharging hopper, the wheel water-washing device being located on top of the magnetic separation wheels, the magnetic separation wheels being connected with the wheel driving device and fixed on one side of the magnet-concentration cores, andwherein the material flow separation duct is installed at the mineral materials charging position, ...

HIGH GRADIENT, OIL-COOLED IRON REMOVAL DEVICE WITH INNER CIRCULATION

A high-gradient internal-circulating oil-cooled Magnetic Separator, includes magnetic system coils, an internal-circulating oil path system, an external-cooling system and an oil conservator. The magnetic system coils are used for generating excitation magnetic field to achieve the iron-absorption function, the magnetic paths of the magnetic system coils being an open magnetic path structure. The internal-circulating oil path system is used for allocation and collection circulation of transformer oil. The external-cooling system is used for heat dissipation of transformer oil to achieve internal heat dissipation balance. The oil conservator is used as a supplementary container for the transformer oil expansion during the apparatus's operation. An internal-circulating structure is employed, and external-circulating pipes are simplified, circulating resistance in oil paths being reduced, problems including complex interference in oil paths arrangement, low circulation efficiency, leakage at welding spots, etc. being avoided, ensuring normal operation, and enhancing efficiency of iron removing. 1. A high-gradient internal-circulating oil-cooled Magnetic Separator , comprises:magnetic system coils,an internal-circulating oil path system),an external-cooling system; andan oil conservator,wherein the magnetic system coils generate an excitation magnetic field to achieve an iron-absorption function, magnetic paths of the magnetic system coils being an open magnetic path structure,wherein said internal-circulating oil path system allocates and collects circulation of transformer oil,wherein said external-cooling system dissipates heat of the transformer oil to achieve internal heat dissipation balance,wherein said oil conservator is comprised of a supplementary container for the transformer oil expansion during operation,wherein said magnetic system coils comprise multiple groups of energized coils being comprised of several windings, a round insulating rod being a heat ...

Method For Detecting Unauthorized Uncrewed Aerial Vehicle, Apparatus, And System

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. 1. A method for detecting an unauthorized , uncrewed aerial vehicle , comprising:sending a tracking indication message to a network device, wherein the tracking indication message indicates to report attribute information of a user equipment in a coverage area of the network device when the attribute information of the user equipment meets a preset condition, and the attribute information of the user equipment comprises at least one of location information or speed information;obtaining the attribute information of the user equipment; andidentifying an identity status of the user equipment based on the attribute information of the user equipment, wherein the identity status comprises an authorized uncrewed aerial vehicle or an unauthorized uncrewed aerial vehicle.2. The method according to claim 1 , wherein the identifying the identity status of the user equipment based on the attribute information of the user equipment comprises:identifying an identity of the user equipment based on the attribute information of the user equipment and subscription data of the user equipment, to obtain the identity ...

Session Management Method, Apparatus, and System

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.

RATE CONTROL METHOD, APPARATUS, AND SYSTEM

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. 1. A rate control method , comprising:receiving, by a control device, a connection establishment request from a terminal, wherein a connection for the terminal to transmit data is established based on the connection establishment request; andsending, by the control device, rate control time management information to a data sending device,wherein the data sending device is configured to perform rate control over the data sent through the connection based on the rate control time management information, andwherein the rate control time management information comprises 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.2. The rate control method according to claim 1 , wherein the start time indication information comprises one of:a time point at which the connection is successfully established,a time point at which a first data unit is transmitted through the connection, ora start time of a next charging period.3. The rate control method according to claim 1 , wherein claim 1 , if the rate control is serving public land mobile network rate control claim 1 , the control ...

ABNORMAL OFFLINE STATE DETERMINING METHOD AND RELATED APPARATUS

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). Therefore, the location information when the uncrewed aerial vehicle enters or leaves the offline state is used to determine whether the uncrewed aerial vehicle is in the abnormal offline state, so that accuracy of determining the abnormal offline state of the uncrewed aerial vehicle can be improved to some extent 1. An abnormal offline state determining method , wherein the method comprises:obtaining, by an access and mobility management function network element (AMF), location information of an uncrewed aerial vehicle when the uncrewed aerial vehicle enters or leaves an offline state; and marking, by the AMF, a state of the uncrewed aerial vehicle as an abnormal offline state; and', 'sending, by the AMF, a state identifier of the abnormal offline state to an unmanned aircraft system traffic management network element (UTM)., 'when a location indicated by the location information is outside a target offline area2. The method according to claim 1 , wherein the method further comprises:receiving, by the AMF, a first message sent by the UTM, wherein the first message carries a first offline area; anddetermining, by the AMF, the first offline area as the target offline area.3. The method according to claim 1 , wherein the method further comprises:receiving, by the AMF, a second message sent by a unified data management network element (UDM), wherein the second message carries a first offline area ...

COMMUNICATION METHOD AND APPARATUS, AND DEVICE

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. 1. A communication method , comprising:determining, by a network device, first user slice information of a first user; andsending, by the network device, the first user slice information to a terminal device used by the first user, wherein a user slice indicated by the first user slice information is used by the first user.2. The method according to claim 1 , wherein the first user slice information comprises user slice information configured for the first user and/or user slice information allowed to be used by the first user.3. The method according to claim 1 , wherein the determining first user slice information of the first user comprises:receiving, by the network device, subscribed user slice information of the first user from a first device; anddetermining, by the network device, the first user slice information based on the subscribed user slice information of the first user.4. The method according to claim 3 , wherein before the receiving subscribed user slice information of the first user from the first device claim 3 , the method further comprises:sending, by the network device, a first request message to the first device, wherein the first request message is for requesting to obtain the subscribed user slice information of the first user, and wherein the first request message comprises a user identifier of the first user.5. The method according to claim 1 , wherein before the determining first user slice information of the first user claim 1 , ...

INTELLIGENT ELUTRIATION MAGNETIC SEPARATOR AND MAGNETIC-SEPARATING METHOD

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. 1. An intelligent elutriation magnetic separator , comprising: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; anda sensor,wherein said material feeding trough, the overflow trough and the separation tank are mounted respectively from top to bottom and sleeved outside the periphery of the separation tank,wherein the outer cover is sleeved outside the excitation coils,wherein the balance column is mounted on the middle lower portions of the inner sides of the separation tank,wherein the balance column and the separation tank are coaxially mounted,wherein the water supply system is located on the middle lower portions of the separation tank,wherein the lower cone and the separation tank are mounted intercommunicated at the bottomwherein the concentrate discharging system is mounted on the bottom of the lower cone, andwherein the sensor is mounted on the lower cone for measuring the slurry ...

COMMUNICATION METHOD AND APPARATUS

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. 1. A communication method , comprising:receiving, by a session management function (SMF), a first message from a first terminal apparatus, wherein 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;sending, by the SMF, address information of the first terminal apparatus to a first management network element based on the first message, wherein the address information of the first terminal apparatus indicates an address of the first terminal apparatus; andreceiving, by the first management network element, the address information of the first terminal apparatus.2. The communication method according to claim 1 , further comprising:sending, by the first management network element, address information of the second terminal apparatus to the SMF, wherein the address information of the second terminal apparatus indicates an address of the second terminal apparatus; andreceiving, by the SMF, the address information of the ...

Unmanned aerial vehicle control method, apparatus, and system

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.

Ore intelligence sorting apparatus and method based on x-rays discernment

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.

Magnetic Microfluidic Concentrator, Intelligent Magnetic Microfluidic Concentrator, and Complete Set of Beneficiation Equipment Using the Same

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.

Session Processing Method and Communication Apparatus

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. 1. A method , comprising:when a quantity of sessions of a terminal device that each have an activated user plane connection is greater than or equal to a quantity threshold, determining, by the terminal device, to deactivate a user plane connection of at least one first session, wherein the sessions that each have the activated user plane connection comprise the at least one first session; andsending, by the terminal device, a first request message to a first network element, wherein the first request message comprises indication information, and the indication information indicates to deactivate the user plane connection of the at least one first session.2. The method according to claim 1 , wherein the when the quantity of sessions of the terminal device that each have the activated user plane connection is greater than or equal to the quantity threshold claim 1 , determining claim 1 , by the terminal device claim 1 , to deactivate the user plane connection of the at least one first session comprises:when the terminal device is handed over from accessing a network over a non-narrow band internet of things connection to accessing the network over a narrow band internet of things connection, and the quantity of sessions of the terminal device that each have the activated user plane ...

High gradient, oil-cooled iron removal device with inner circulation

Disclosed is a high gradient, oil-cooled iron removal device with inner circulation. The device comprises a magnetic system coil (4), an inner circulation oil line system (3), an external cooling system (2) and an oil conservator (1), wherein the magnetic system coil (4) is used for generating an exciter field capable of realizing the iron-attraction effect of the iron removal device, the magnetic circuit of the magnetic system coil (4) being an open magnetic circuit structure; the inner circulation oil line system (3) is used for distribution, and collection and circulation of transformer oil; the external cooling system (2) is used for dissipating heat in the transformer oil to achieve internal heat balancing in the high gradient, oil-cooled iron removal device with inner circulation; and the conservator (1) is used as a supplementary tank for expansion of transformer oil when the equipment is in operation. The present invention employs an inner circulation structure, simplifying the external circulation pipes, reducing resistance in the oil line circulation, and avoiding the problems of interference in a complex arrangement of oil lines, low circulation efficiency, and leakage from welding points, etc., ensuring that the iron removal device is able to operate normally and improving iron removal efficiency.

Session management method, apparatus and system

Dry separator

A dry separator, comprising a forward air blowing path (1) and an eccentric magnetic rolling mechanism (2). The eccentric magnetic rolling mechanism (2) is partially arranged in the forward air blowing path (1); the forward air blowing path (1) is used for blowing forward air in the same direction as material conveying to the surface of the eccentric magnetic rolling mechanism (2); the eccentric magnetic rolling mechanism (2) is used for conveying materials, and is further used for providing an eccentric rotating magnetic field; a feeding area (4) is provided above the eccentric magnetic rolling mechanism (2); and a tailings treatment mechanism (5) and a concentrate area (6) are provided below the eccentric magnetic rolling mechanism (2). A multi-physical-field coupled complex separation environment is provided for dry magnetic separation of ultrafine crushed materials, and the materials are mainly subjected to the multi-force combined action of gravity, centrifugal force, magnetic overturning force, forward wind force, magnetic field suction force and the like, thereby achieving the purpose of graded, efficient and fine separation, and solving the problem that dry separation cannot be effectively performed on dry superfine powdery materials after dry grinding and grading.

Separador de finos en seco

La aplicación proporciona un separador de finos en seco, que comprende una vía de aire de soplado frontal y un mecanismo de rodillo magnético excéntrico, en el que el mecanismo de rodillo magnético excéntrico está parcialmente dispuesto en la vía de aire de soplado frontal, la vía de aire de soplado frontal se utiliza para soplar aire hacia adelante en la misma dirección que la dirección de transporte de material a una superficie del mecanismo de rodillo magnético excéntrico, y el mecanismo de rodillo magnético excéntrico se utiliza para transportar materiales y proporcionar un campo magnético giratorio excéntrico; y una zona de alimentación está dispuesta por encima del mecanismo de rodillos magnéticos excéntricos, y un mecanismo de tratamiento de relaves y una zona de concentrado están dispuestos por debajo del mecanismo de rodillos magnéticos excéntricos. El separador de finos en seco proporciona un entorno de separación complejo combinado con múltiples campos físicos para la separación magnética en seco de materiales ultrafinos, en el que los materiales son sometidos a la acción combinada de múltiples fuerzas, entre las que se incluyen la gravedad, la fuerza centrífuga, la fuerza magnética de vuelco, la fuerza del viento frontal, la atracción magnética, etc., con lo que se consigue una separación graduada, eficiente y refinada y se resuelve el problema de que los materiales ultrafinos en polvo obtenidos tras la molienda en seco y la clasificación no pueden separarse eficazmente.

Unmanned aerial vehicle control method, apparatus and system

This application provides an unmanned aerial vehicle control method, apparatus, and system. The method includes: determining, by UTM, that a control device of an unmanned aerial vehicle UAV needs 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 needs 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. According to the unmanned aerial vehicle control method, apparatus, and system provided in this application, the hosting command is sent to the network device by the UTM, and the network device indicates, according to the hosting command, that the UAV needs to hand over the control device of the UAV. In this way, the UTM controls a connected UAV and a control device of the UAV by using a communications network.

Communication method and communication apparatus

Communication method and apparatus

Unmanned aerial vehicle control method, apparatus and system

Modularized magnet separation unit

A modular magnetic separation apparatus set has a processing capacity increased by increasing the number of the unit modules of the magnetic separation apparatus set, being suitable for all enrichment processes of magnetic minerals. One modular unit is defined with a separation wheel and its two neighboring magnet-concentration cores and two corresponding excitation coils and a charging hopper and a discharging hopper of magnetic materials, each unit being combined of multiple identical modular units. The modular magnetic separation apparatus solves the conflicts between the transportation of apparatus after the enlargement and the height and width restrictions on general roads, including more reasonable conditions for separate transportation.

Unmanned aerial vehicle flight area management method and related device

Detection method, apparatus and system for unauthorized unmanned aerial vehicle

Session management method, apparatus, and system

This application provides a session management method, apparatus, and system, to help avoid malicious consumption of user plane network resources by a terminal, thereby reducing network resources. The session management method includes: receiving, by a session management network element, a first request message, where the first request message is used to request to establish a first session for a terminal; determining, by the session management network element, 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, by the session management network element, 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.

Dry-type pre-concentration machine

Provided in the present application is a dry-type pre-concentration machine. The dry-type pre-concentration machine comprises: a reverse air-blowing path and an eccentric magnetic rolling mechanism, wherein the eccentric magnetic rolling mechanism is partially arranged in the reverse air-blowing path, is configured to convey materials, and is further configured to provide an eccentric rotating magnetic field; a feeding area is provided above the eccentric magnetic rolling mechanism; and a tailing area, a middling area, and a concentrate area are arranged below the eccentric magnetic rolling mechanism. In the present application, materials in the feeding area are conveyed into the reverse air-blowing path and subjected to a rolling motion, so that strong magnetic materials are arranged on the innermost layer, weakly magnetic materials are arranged on a middle layer, non-magnetic materials are arranged on the outermost layer, and under the action of reversely blown air in the reverse air-blowing path, non-magnetic fine powdery materials on an outer layer leave a surface of the eccentric magnetic rolling mechanism and are carried by wind into or fall into the tailing area; and weakly magnetic minerals fall into the middling area along with rotation of a magnetic roller and reduction of the magnetic field, and concentrate falls into the concentrate area along with the rotation of the magnetic roller and the reduction of the magnetic field, so that ultra-fine crushed materials are sorted in a graded, efficient, and fine manner.

Preseparador en seco

La aplicación proporciona un preseparador en seco, que comprende una vía de aire de soplado posterior y un mecanismo de rodillos magnéticos excéntricos, en el que el mecanismo de rodillos magnéticos excéntricos está parcialmente dispuesto en la vía de aire de soplado posterior y se utiliza para transportar materiales y proporcionar un campo magnético giratorio excéntrico; una zona de alimentación está dispuesta por encima del mecanismo de rodillos magnéticos excéntricos; y una zona de relaves, una zona de relaves intermedios y una zona de concentrado están dispuestas por debajo del mecanismo de rodillos magnéticos excéntricos. En la aplicación, los materiales de la zona de alimentación se transportan a la vía de aire de soplado posterior para que rueden, de modo que los materiales magnéticos fuertes se encuentren en la capa más interna, los materiales magnéticos débiles en la capa intermedia y los materiales no magnéticos en la capa más externa; bajo la acción del aire inverso en la vía de aire de soplado posterior, los materiales no magnéticos en polvo fino de la capa más externa abandonan una superficie del mecanismo de rodillo magnético excéntrico para ser arrastrados por el aire o caer en la zona de relaves; y los minerales magnéticos débiles caen a la zona de relaves intermedios con la rotación del rodillo magnético y la atenuación del campo magnético, y los concentrados caen a la zona de concentrados con la rotación del rodillo magnético y la atenuación del campo magnético, de modo que se realiza la separación graduada, eficiente y fina de los materiales ultrafinos.

Method for handling unmanned aerial vehicle having abnormal behavior, network element, system, and storage medium

Embodiments of 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, and use a first network element to process the data packet for transmitting the non-C2 data. This prevents the data packet for transmitting the non-C2 data from being transmitted to a UAVC or a UAV. The UAVC can continue to control the UAV. This ensures transmission of C2 data and thus maintains control stability. 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.

Position acquisition method and apparatus thereof

Method for determining abnormal offline state and related device

Location Obtaining Method and Apparatus Thereof

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.

Communication method and apparatus

Unmanned aerial vehicle communication management method and apparatus

Embodiments of this application provide a communication management method, so that networked flight of an unmanned aerial vehicle can be efficiently and appropriately managed. The method includes: receiving a first message, where the first message includes network capability information of a plurality of systems, the plurality of systems include a system that can be selected by a terminal, the network capability information is information about a capability of the plurality of systems to provide a network service for the terminal in at least one of a first area and a first time range, 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; determining, based on the network capability information of the plurality of systems, whether the terminal can obtain the network service through a first system, where the first system is one or more of the plurality of systems; and sending first indication information, where the first indication information indicates whether the terminal can obtain the network service through the first system.

Detection method, apparatus and system for unauthorized unmanned aerial vehicle

Satellite ephemeris update method and communication apparatus

This application provides a satellite ephemeris update method and a communication apparatus. The method includes: A first network element determines whether an ephemeris in a terminal device needs to be updated; and the first network element sends first information to the terminal device, where the first information includes an updated ephemeris or indication information indicating that the ephemeris does not change. Optionally, the first network element may be a core network element. For example, the first network element may be an AMF, an SMF, or the like. According to the ephemeris update method provided in this application, the terminal device is timely notified of ephemeris update information, so that the terminal device can timely and effectively obtain the updated ephemeris. This reduces a delay of accessing a satellite cell by the terminal device, and improves communication efficiency and user experience.

Satellite ephemeris update method and communication apparatus

Session processing method and communication device

Rate control method, apparatus, and system

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.

Method for handling unmanned aerial vehicle having abnormal behavior, network element, system, and storage medium

Method for determining abnormal offline state and related device

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. Therefore, the location information when the uncrewed aerial vehicle enters or leaves the offline state is used to determine whether the uncrewed aerial vehicle is in the abnormal offline state, so that accuracy of determining the abnormal offline state of the uncrewed aerial vehicle can be improved to some extent.

Communication method and apparatus

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.

Method for maintaining continuity of session, and communication apparatus

This application provides a method for maintaining session continuity and a communication apparatus. The method includes: A session management function network element receives a first request message from an access and mobility management function network element, where the first request message indicates that a PDU session of a terminal device is to be switched; the session management function network element determines that an anchor of the PDU session needs to be switched, where an old anchor of the PDU session is a first user plane function network element; and the session management function network element selects a second user plane function network element as a new anchor of the PDU session, and allocates a first IP address to the terminal device, where the first IP address is the same as an IP address of the terminal device used when the first user plane function network element serves as the anchor of the PDU session. According to the method, continuity of the PDU session of the terminal device can be maintained, thereby avoiding PDU session re-establishment.

Unmanned aerial vehicle communication management method and apparatus

Dry-type pre-concentration machine

Provided in the present application is a dry-type pre-concentration machine. The dry-type pre-concentration machine comprises: a reverse air-blowing path and an eccentric magnetic rolling mechanism, wherein the eccentric magnetic rolling mechanism is partially arranged in the reverse air-blowing path, is configured to convey materials, and is further configured to provide an eccentric rotating magnetic field; a feeding area is provided above the eccentric magnetic rolling mechanism; and a tailing area, a middling area, and a concentrate area are arranged below the eccentric magnetic rolling mechanism. In the present application, materials in the feeding area are conveyed into the reverse air-blowing path and subjected to a rolling motion, so that strong magnetic materials are arranged on the innermost layer, weakly magnetic materials are arranged on a middle layer, non-magnetic materials are arranged on the outermost layer, and under the action of reversely blown air in the reverse air-blowing path, non-magnetic fine powdery materials on an outer layer leave a surface of the eccentric magnetic rolling mechanism and are carried by wind into or fall into the tailing area; and weakly magnetic minerals fall into the middling area along with rotation of a magnetic roller and reduction of the magnetic field, and concentrate falls into the concentrate area along with the rotation of the magnetic roller and the reduction of the magnetic field, so that ultra-fine crushed materials are sorted in a graded, efficient, and fine manner.

Safety protection-type power supply system

Wireless network communication method, network device, and terminal

This application provides a wireless network communication method, a network device, and a terminal. 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. An uncrewed aerial vehicle traffic management entity in a mobile communication network is used to authorize or pair an uncrewed aerial vehicle controller and an uncrewed aerial vehicle, thereby facilitating long-distance communication between the uncrewed aerial vehicle controller and the uncrewed aerial vehicle.

Communication method and apparatus

A communication method and apparatus are provided, to reduce a communication service delay in a satellite communication scenario and improve user experience. A session management function network element determines that a user plane function network element and an access network device that serve a PDU session of a terminal device are deployed on a same satellite. The session management function network element sends first session management information to the access network device, or sends second session management information to the user plane function network element. The first session management information includes first session information, and the first session information indicates the user plane function network element to process a context of the PDU session. The second session management information includes second session information and third session information, the second session information indicates the terminal device to process the context of the PDU session, and the third session information indicates the access network device to process the context of the PDU session. In this way, less communication is performed between devices on a satellite and the ground, so that a communication delay is reduced.

X-ray identification-based smart ore sorting device and method

Position acquisition method and apparatus thereof

Embodiments of this application disclose a location obtaining method and an apparatus thereof. The 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. In embodiments of this application, the locations of the first terminal device and the second terminal device at the same time point are obtained, to improve accuracy of calculating a distance between the first terminal device and the second terminal device.

Communication method and communication apparatus

Unmanned aerial vehicle flight area management method and related device

Detection method, apparatus and system for unauthorized unmanned aerial vehicle

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.

Ore intelligence sorting apparatus and method based on X-rays discernment

The ore intelligence sorting apparatus and method based on X-rays discernment is disclosed by the invention, the apparatus mainly includes a feeding unit with a toothed classifier, and a X ray excitation unit with filter, and a characteristic spectrum receiving unit with filter, and 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 means of a toothed classifier, and the measured ore is stimulated by the X ray excitation unit to produce a characteristic x ray spectra, and the characteristic spectrum receiving unit receives characteristic x ray spectrum which is then analyzed by the computer analysis and control unit, and a sorting instructions is output based on the analysis results. The invention is used for sorting magnetic or non-magnetic ores in a concentrator. The invention has the advantages of high product grade, high recovery rate, a large capacity, low water consumption and high automation degree.

Communication method and communication apparatus

This application provides a communication method and apparatus. The method includes: receiving a NAS message sent by an urban air vehicle, and determining, based on subscription information that is of the urban air vehicle and that indicates that the urban air vehicle is allowed to execute an unmanned flight service or the urban air vehicle is not allowed to execute an unmanned flight service, to send a response message of rejecting the NAS message or a response message of accepting the NAS message to the urban air vehicle. According to the method, execution of the unmanned flight service by the urban air vehicle is effectively controlled, so that the urban air vehicle that cannot execute the unmanned flight service does not execute the unmanned flight service, and flight safety of the urban air vehicle is improved.

Rate control methods, devices, computer program and system

Satellite switching method, apparatus, storage medium, and chip system

A satellite switching method is provided, and relate to the field of communication technologies. In this application, a first communication apparatus sends a first request message when determining that the first terminal device is switched from a source access network device to a first target access network device at a future moment. The first request message indicates that a PDU session of the first terminal device is estimated to be switched at a future moment, or the first request message indicates that the first terminal device is estimated to be switched at a future moment. In this way, switching of the first terminal device could be prepared in advance, thereby reducing signaling overheads in the switching procedure of the first terminal device, and reducing a delay in the switching procedure of the first terminal device.

Switching method, communication apparatus, and communication system

This application provides a switching method, a communication apparatus, and a communication system. The method includes: When a user plane network element that provides services for a first terminal device is switched, a target user plane network element after switching sends, to a session management network element, information indicating that the user plane network element of the first terminal device is switched, and includes tunnel information of the target user plane network element after the switching in the information. In this way, the session management network element may provide the tunnel information of the target user plane network element of the first terminal device after the switching to a user plane network element of a second terminal device in a timely manner, to ensure correct switching.

Satellite switching method and apparatus, storage medium, and chip system

A satellite switching method, an apparatus, a storage medium, and a chip system are provided, and relate to the field of communication technologies, to reduce signaling overheads and a delay in a switching procedure of a first terminal device. In this application, a first communication apparatus sends a first request message to another apparatus when estimating that the first terminal device is switched from a source access network device to a first target access network device at a future moment. The first request message indicates that a PDU session of the first terminal device is estimated to be switched at a future moment, or the first request message indicates that the first terminal device is estimated to be switched at a future moment. In this way, the another apparatus can prepare for switching of the first terminal device in advance, thereby reducing signaling overheads in the switching procedure of the first terminal device, and reducing a delay in the switching procedure of the first terminal device.

Elutriation magnetic separator

An elutriation magnetic separator includes: a separating cylinder (1), a separation device (2), a feeding device (3), a discharge device (4), and a water supply device (5), wherein the feeding 5 device (3) is provided at the separating cylinder (1) and is configured to deliver a mineral slurry into the separating cylinder (1); the separation device (2) is provided at the separating cylinder (1) and is configured to separate mineral materials and impurities in the mineral slurry; the water supply device (5) is provided in the separating cylinder (1), the water supply device (5) is provided with a first water supply space (6) and a second water supply space (7), the first water supply space 10 (6) is close to a bottom of the separating cylinder (1), and is configured to allow injecting water into the separating cylinder (1) and rotating a water flow; the second water supply space (7) is configured to allow providing supplementary water into the separating cylinder (1); the discharge device (4) is provided on a top of the separating cylinder (1) and communicates with an inside of the separating cylinder (1), and is configured to discharge the impurities that overflow to the top 15 of the separating cylinder (1); and a discharge port is provided at the bottom of the separating cylinder (1). 22

Switching method, communication apparatus, and communication system

This application provides a switching method, a communication apparatus, and a communication system. The method includes: When a user plane network element that provides services for a first terminal device is switched, a target user plane network element after switching sends, to a session management network element, information indicating that the user plane network element of the first terminal device is switched, and includes tunnel information of the target user plane network element after the switching in the information. In this way, the session management network element may provide the tunnel information of the target user plane network element of the first terminal device after the switching to a user plane network element of a second terminal device in a timely manner, to ensure correct switching.

Method for handling unmanned aerial vehicle having abnormal behavior, network element, system, and storage medium

High gradient, oil-cooled iron removal device with inner circulation

A high-gradient internal-circulating oil-cooled Magnetic Separator, includes magnetic system coils, an internal-circulating oil path system, an external-cooling system and an oil conservator. The magnetic system coils are used for generating excitation magnetic field to achieve the iron-absorption function, the magnetic paths of the magnetic system coils being an open magnetic path structure. The internal-circulating oil path system is used for allocation and collection circulation of transformer oil. The external-cooling system is used for heat dissipation of transformer oil to achieve internal heat dissipation balance. The oil conservator is used as a supplementary container for the transformer oil expansion during the apparatus's operation. An internal-circulating structure is employed, and external-circulating pipes are simplified, circulating resistance in oil paths being reduced, problems including complex interference in oil paths arrangement, low circulation efficiency, leakage at welding spots, etc. being avoided, ensuring normal operation, and enhancing efficiency of iron removing.