Abstract: An authentication management function AUSF receives an authentication request message from an access and mobility management function AMF, where the authentication request message carries a subscription concealed identifier SUCI. The AUSF sends an authentication vector get request message to a unified data management UDM function, where the authentication vector get request message carries the SUCI. The AUSF receives an authentication vector get response message from the UDM, where the authentication vector get response message includes authentication and key management for application AKMA indication information. The AUSF generates, based on the AKMA indication information, an authentication and key management for application-key identifier based on a routing indicator RID in the SUCI.

Abstract: Embodiments of this application provide a communication method and a communication apparatus. The method includes: A mobility management function network element AMF receives a first registration request message sent by a terminal device UE via a first non-3GPP network device, and when determining that the UE needs to be relocated to a second non-3GPP network device, sends a first NAS message to the UE, to indicate the UE to re-access a network via the second non-3GPP network device, where the first NAS message includes identification information of the second non-3GPP network device. Further, the AMF receives a second NAS message from the UE, and generates a first key based on a first key generation parameter carried in the second NAS message, to establish a secure connection between the second non-3GPP network device and the terminal device.

Abstract: A communication method is provided and includes: A first terminal device sends a first request message to a second terminal device for requesting to obtain a distance and/or an angle between the first terminal device and the second terminal device, the first request message includes first information, and the first information is used by the second terminal device to determine whether to agree to obtain the distance and/or the angle between the first terminal device and the second terminal device; and the first terminal device receives a first response message from the second terminal device, where the first response message includes first indication information indicating a determining result of whether the second terminal device agrees to obtain the distance and/or the angle.

Abstract: The present invention provides a spin-orbit torque magnetic random access memory (SOT-MRAM) circuit, including a read transistor pair with two read transistors in parallel, a write transistor pair with two write transistors in parallel, a SOT memory cell with a magnetic tunnel junction (MTJ) and a SOT layer, wherein one end of the MTJ is connected to the source of the read transistor pair and the other end of the MTJ is connected to the SOT layer, and one end of the SOT layer is connected to a source line and the other of the SOT layer is connected to the source of the write transistor pair, a read bit line is connected to the drain of the read transistor pair and a write bit line is connected to the drain of the read transistor.

Abstract: A communication method and apparatus are provided, to implement automatic onboarding when no network-side information is configured on a terminal device. The method includes: The terminal device obtains auxiliary authentication information that includes identification information of one or more networks; determines access information of a first network based on first temporary authentication information and identification information of the first network, where the first network is any one of the one or more networks; triggers mutual temporary authentication with the first network based on the access information of the first network; and receives configuration information of the first network from the first network when the mutual temporary authentication succeeds. The terminal device may trigger the mutual temporary authentication with the first network based on the access information of the first network.

Abstract: This application pertains to the field of communication technologies, and provides a network information processing method and apparatus. In the method, a second network element may support the multi-registration scenario of the terminal through capability enhancement. For example, the second network element may send security information of the terminal to a third network element based on first registration information and second registration information, to support a service between the terminal and an application server.

Abstract: A thermal module including a heat sink and a projector are provided. The heat sink includes a body and heat sink fins. The body includes a fixed plate and partition plates. The fixed plate has a first surface, a second surface and a third surface. The first surface is opposite to the second surface, and the third surface is connected to the first and second surfaces. Spaces form between the partition plates, and the heat sink fin is disposed correspondingly in each space. Each heat sink fin has a corrugated structure with multiple segments, and a fractured structure is provided on the surface of each segment. The third surface and the side surface connected to the end surfaces of the partition plates form an air guide surface, and the heat sink receives or discharges air flow with the air guide surface.

Abstract: A fiber-embedded vapor chamber structure includes: a lower plate having has a sealing edge surrounding a periphery of thereof and a recessed zone surrounded by the sealing edge and disposed on an inner surface of the lower plate; an upper plate having has an upper capillary layer disposed on a surface of the upper plate corresponding the lower plate; supporters are disposed in the recessed zone and extended toward the lower plate and the upper plate to abut against the lower capillary layer and the upper capillary layer. At least one strip-shaped fiber layer is disposed in the recessed zone. The fiber layer is flatly attached on the lower capillary layer or the upper capillary layer and pressed by a part of the supporters. As such, a space between the supports in the recessed zone is reserved to make steam flow.

Abstract: Embodiments of this application provide a communication method and a communication apparatus. The method includes: An API invoker sends an authorization request message to an authorization function network element. The API invoker receives a first token with integrity protection from the authorization function network element, where the first token indicates that the API invoker has permission to access data of a target user, and the first token includes an identifier of the target user. The API invoker sends a first API invocation request message to an API exposing function network element AEF, to request to invoke a target API to operate the data of the target user, where the first API invocation request message includes an identifier of the target user and the first token. The method provided in this application can avoid user privacy exposure, and reduce a potential security risk faced by a network function.

Abstract: A system, method, and apparatus are provided, which are applied to a scenario where an integrated access and backhaul node migrates from a central unit of a source donor node to a central unit of a target donor node. The method includes: the integrated access and backhaul node and the central unit of the source donor node respectively determine a fifth pre-shared key in their local storage, where the fifth pre-shared key is used to establish a second secure transmission channel between them before the integrated access and backhaul node migrates from the central unit of the source donor node to the central unit of the target donor node, and then the integrated access and backhaul node and the central unit of the source donor node perform security authentication on each other based on the fifth pre-shared key, to establish a first secure transmission channel between them.

Abstract: A heat dissipation module configured to dissipate heat from a rotating element rotated with a first axis as a rotation axis is provided. The heat dissipation module includes at least one first fan and a heat dissipation component. The at least one first fan includes a first fan outlet. A first airflow generated by the at least one first fan flows from the first fan outlet to the rotating element. The heat dissipation component includes an inlet duct, a plurality of inner ducts and at least one outlet duct. The plurality of inner ducts are communicated to the inlet duct and the at least one outlet duct. The inlet duct of the heat dissipation component is disposed corresponding to a rotation tangential direction of the rotating element, and the rotation tangential direction is perpendicular to the first axis. In addition, a projection device is also mentioned.

Abstract: Embodiments of this application relate to the field of communication technologies, and provide a data transmission method and an apparatus, to ensure security of radio capability information of a terminal in a transmission process. The method includes: A terminal performs NAS security protection on radio capability information based on a NAS security context before establishing an AS security context; then the terminal sends the NAS-security-protected radio capability information to a mobility management network element; and after receiving the NAS-security-protected radio capability information, the mobility management network element performs security deprotection on the NAS-security-protected radio capability information, to obtain and store the radio capability information of the terminal.

Abstract: A heat-dissipating module including heat-dissipating fins and heat pipes is provided. The heat-dissipating fins include first and second heat-dissipating fins arranged in an interleaved, spaced apart manner, and arranged in parallel along a first direction. The first heat-dissipating fins have interleaved first vias and first breach holes. The second heat-dissipating fins have interleaved second vias and second breach hole. The first breach holes and the second breach holes are arranged along a second direction, and the second vias respectively correspond to the first vias. The first direction is not parallel to the second direction. The heat pipes are configured to pass through the first vias and the second vias. A position of the orthogonal projection of a first breach hole formed on the second heat-dissipating fins along the first direction and the corresponding second breach hole are not overlap or are partially overlapped, and are arranged in symmetry.

Abstract: A heat dissipation module, configured for heat dissipation of at least one first heat source and at least one second heat source, and including a first heat sink, a second heat sink, a first pipe, and a second pipe, is provided. The first heat sink and the first heat source are connected to each other through the first pipe to form a first loop, so that a liquid medium flows through the first heat sink for heat exchange and then flows to the first heat source for circulating heat dissipation. The second heat sink and the second heat source are connected to each other through the second pipe to form a second loop, so that the liquid medium flows through the second heat sink for heat exchange and then flows to the second heat source for circulating heat dissipation. A projection device, including the heat dissipation module, is also provided.

Abstract: A device and a method for steering a vehicle are provided. The method includes following steps: obtaining a point cloud data of a vehicle through a lidar, obtaining an RGB image of the vehicle through a camera, and obtaining a current speed of the vehicle through a wheel speed sensor; using the current speed and local path way points associated with the point cloud data to obtain a target angle; using the current speed and a central lane distance error associated with the RGB image to obtain a compensator angle; and using the target angle and the compensator angle to obtain a steering command, and steering the vehicle to drive in a lane according to the steering command.

Abstract: This application provides a communication method and apparatus. The method includes: An access network device obtains a data processing requirement indicating a requirement for processing data associated with a user for a specified purpose. The access network device; determines, based on user consent information and the data processing requirement, whether to process the data associated with the user for the specified purpose, where the user consent information indicates whether the user consents to process the data associated with the user for a plurality of data processing purposes, and any one of the plurality of data processing purposes indicates a purpose of processing the data associated with the user. In the solutions, the access network device determines, based on the user consent information and the data processing requirement, whether to process the data associated with the user for the specified purpose.

Abstract: A multi-level direct current converter, a voltage control method for a flying capacitor, and a control apparatus are provided. The multi-level direct current converter includes a controller, a flying capacitor, two switching transistor groups, and an inductor. The method for controlling a flying capacitor includes: in response to that an absolute value of a difference between a sampling voltage and a reference voltage of the flying capacitor is greater than a first threshold, adjusting a duty cycle difference between first switching transistors in two switching transistor groups or a phase difference between carriers of first switching transistors in two switching transistor groups based on a magnitude of an inductor current. According to this application, a voltage of the flying capacitor can be controlled, to improve operation stability of the multi-level direct current converter.

Abstract: A method for determining a user plane security algorithm, a system, and an apparatus. The method may include: a second device selects a non-null user plane confidentiality protection algorithm based on a security capability of a first device and a security capability of the second device in a case in which user plane confidentiality protection between the second device and the first device is enabled and control plane confidentiality protection between the second device and the first device is not enabled. The second device sends a first message to the first device. The first message includes first algorithm indication information indicating the user plane confidentiality protection algorithm. Therefore, the first device can obtain the non-null user plane confidentiality protection algorithm. Embodiments can be adopted to determine an effective user plane confidentiality protection algorithm, for confidentiality protecting user plane data.