Abstract: A fiber composite plate includes at least one fiber composite layer, each fiber composite layer includes fiber fabric and polymer resin, and the polymer resin fills pores of the fiber fabric and encapsulates the fiber fabric. The fiber fabric includes a first fiber and a second fiber that are interwoven, a tensile modulus of the first fiber is greater than or equal to 150 gigapascals, and a bending modulus of the second fiber is greater than or equal to 35 gigapascals. Puncture strength of the fiber composite plate is greater than 130 newtons.

Abstract: A beam measurement method and an apparatus are disclosed. The method includes: sending reference signals corresponding to N reference signal resources, where the reference signals are used for beam measurement. The N reference signal resources are in a correspondence with N beams, and N is an integer greater than 1. Receiving first indication information, where the first indication information indicates a first reference signal resource, and the N reference signal resources include the first reference signal resource. Sending reference signals corresponding to M reference signal resources based on the first indication information, where the M reference signal resources are in a correspondence with M beams, and M is a positive integer. Receiving second indication information, where the second indication information indicates a second reference signal resource, and the second reference signal resource is either the first reference signal resource or one of the M reference signal resources.

Abstract: A fault handling system, a fault diagnosis method, and an intelligent driving device are provided. The fault handling system includes an ECU, and the ECU includes a calculation unit and a control unit. The control unit is configured to receive a first instruction, where the first instruction is generated based on fault information of the calculation unit, and the control unit is further configured to perform, according to the first instruction, an operation used to rectify a fault of the calculation unit. In addition, the control unit may further receive a second instruction, and perform fault diagnosis according to the second instruction, to obtain a diagnosis result of the ECU. The solutions provided in this application may be applied to the field of intelligent driving.

Abstract: A storage apparatus includes a controller and a storage medium. The storage medium includes a command decoder and a plurality of storage units. The controller is connected to the command decoder of the storage medium. The controller is configured to send a first processing command to the command decoder of the storage medium, where the first processing command includes first information and second information, the first information indicates a processing manner, and the second information indicates a data length of data to be processed.

Abstract: Disclosed are an LDPC code-based communication method and a communication apparatus. Encoding or decoding may be performed based on a storage matrix and indication information. The indication information may include first information. Each row pair in a plurality of row pairs indicated by the first information includes two rows. A set of column numbers of columns in which non-zero elements in first x elements of a first row in the two rows are located is a proper subset of a set of column numbers of columns in which non-zero elements in first x elements of a second row in the two rows are located. In this way, split extension is implemented in a low-code-rate extension process, that is, elimination can be performed on the first row on a basis of adding the second row, to improve orthogonality between rows.

Abstract: This application discloses a pilot transmission method and apparatus. The method includes: determining a first length; determining a first sequence pair based on the first length, where the first sequence pair includes at least two sequences, and a length of each of the at least two sequences is the first length; generating at least two pilot symbols based on the first sequence pair; and outputting the at least two pilot symbols.

Abstract: A method of coding implemented by a decoding device, comprising obtaining a video bitstream; decoding the video bitstream to obtain an initial intra prediction mode value for chroma component of a current coding block; determining whether a ratio between a width for luma component of the current coding block and a width for chroma component of the current coding block is equal to a threshold or not; obtaining a mapped intra prediction mode value for chroma component of the current coding block according to a predefined mapping relationship and the initial intra prediction mode value, when it's determined that the ratio is equal to the threshold; obtaining a prediction sample value for chroma component of the current coding block according to the mapped intra prediction mode value.

Abstract: A communication method and a related device are provided. When an integrated access and backhaul (IAB) node supports a mobile IAB mode and an IAB mode, the IAB-node, a donor node, or a core network element is used as a party for determining an operating mode of the IAB-node, allowing flexible selection between the two modes to improve communication flexibility. In the method, the IAB-node determines that a radio resource control (RRC) connection to the donor node has not been established, or that the RRC connection has been established and that its operating mode is the mobile IAB mode, or that the RRC connection has been established; the IAB-node determines that its operating mode is the IAB mode from the mobile IAB mode and the IAB mode.

Abstract: This application relates to the field of communication technologies, and provides a data transmission method, an apparatus, and a storage medium, to improve air interface resource utilization while ensuring accurate and efficient transmission of data. The method includes: A terminal device sends a first message to an access network device, where the first message is for requesting the access network device to allocate, to the terminal device, a transmission resource for transmitting a to-be-transmitted packet, and the first message includes feature information of the to-be-transmitted packet; the terminal device receives a second message sent by the access network device, where the second message is for configuring the transmission resource; and the terminal device sends the to-be-transmitted packet to the access network device based on the transmission resource.

Abstract: A first core network element determines, based on first information, that a service corresponding to a terminal device is processed locally. Control plane signaling corresponding to the locally processed service is forwarded by a first network element to a local function network element without passing through the first core network element. The first information includes one or more of the following: information about the terminal device, information about the first network element, or information about at least one core network element. The first core network element sends indication information to the first network element, to indicate that the service corresponding to the terminal device is processed locally, or indicate information about the service locally processed by the terminal device.

Abstract: A method is applied to a first network element, and includes receiving first information from a terminal device, where the first information describes an intent; obtaining a capability and a capability invoking method of at least one object, where the capability of the at least one object is related to the intent; determining an information exchange method between the first network element and the at least one object based on the capability and the capability invoking method of the at least one object, where the information exchange method is for implementing the intent; and invoking the capability of the at least one object based on the information exchange method.

Abstract: This application discloses a flexible circuit board which has a first area and a second area. A reference layer of the flexible circuit board is located in the first area, and the reference layer and a signal layer are stacked. A first shielding layer is located in the first area, and the first shielding layer is stacked on a side of the signal layer that faces away from the reference layer. A second shielding layer is located in the second area, and the second shielding layer and the signal layer are stacked. A first ground trace is electrically connected to the first shielding layer and the reference layer. The first ground trace is further electrically connected to the second shielding layer. A return signal in the signal layer flows from the second shielding layer to the first shielding layer and the reference layer located.

Abstract: A control method for seamless braking of an electric vehicle, a controller, and an electric vehicle, which are applicable to the field of electric vehicle technologies. In the control method, before a speed of an electric vehicle is equal to a preset speed, a brake system is controlled to brake wheels of the electric vehicle. Then, before a stroke of a brake pedal decreases to be less than a preset stroke, the brake system is controlled to brake the wheels, and the drive motor is controlled to output a compensation torque whose direction is the same as directions of rotational speeds of the wheels. Then, before the stroke of the brake pedal decreases to 0, the compensation torque output by the drive motor is controlled to decrease with the decrease in the stroke of the brake pedal. This can avoid a problem that the vehicle lurches forward.

Abstract: A compound includes a first chain hydrocarbon group, a first phenyl group, a second phenyl group, a thieno[3,2-b]thiophene group, and a second chain hydrocarbon group. The first chain hydrocarbon group is linked to one carbon atom of the first phenyl group, another carbon atom of the first phenyl group is linked to one carbon atom of the second phenyl group by a first linkage bond, another carbon atom of the second phenyl group is linked to one carbon atom of the thieno[3,2-b]thiophene group by a second linkage group, and another carbon atom of the thieno[3,2-b]thiophene group is linked to the second chain hydrocarbon group.

Abstract: A terminal management method and an apparatus, to implement management of terminals. The method includes: receiving, by a first device, a first instruction used to perform a first operation on one or more terminals, and determining, according to a management rule, whether performance of the first operation is allowed, and/or determining a target terminal to be subjected to the first operation. The embodiments are applicable to the field of communication technologies, the internet of things, artificial intelligence, the internet of vehicles, smart homes, and the like.

Abstract: Embodiments of this application provide a wavelength selective switch, an optical switching node, and a communication system. The wavelength selective switch includes an input fiber, a lens group, a dispersion unit, an optical switching engine, and an output fiber array. The dispersion unit includes an optical metasurface structure. The input fiber is configured to transmit an input beam to the lens group. The lens group is configured to: collimate the input beam to obtain a first beam, and transmit the first beam to the dispersion unit. The optical metasurface structure is configured to decompose the first beam to obtain a plurality of second beams. The optical metasurface structure is further configured to collimate the plurality of second beams, to transmit the plurality of collimated second beams to the optical switching engine.

Abstract: A communication method for use in a first Internet of things (IoT) device includes: the first IoT device generates a first task request and a second task request, where the first task request indicates to process data of a first service, the second task request indicates to process data of a second service, each of the first service and the second service is a service that requires long-term communication and whose service volume is less than a first threshold, and the first service is different from the second service; and the first IoT device schedules the first task request and the second task request to a first thread for processing. In this way, thread scheduling of the task request can be implemented, and a plurality of services can be supported.

Abstract: This application provides a multi-hop relay method, an apparatus, and a system. The method includes: receiving first indication information, where the first indication information indicates that a network connection anomaly occurs between the first terminal device and a first network device, and the first terminal device communicates with the first network device via the second terminal device; and sending second indication information to a third terminal device, where the third terminal device communicates with the first network device via the first terminal device, and the second indication information indicates that the network connection anomaly occurs between the first terminal device and the first network device; or sending third indication information to a third terminal device, where the third indication information indicates that the first terminal device performs network connection reestablishment with a second network device.

Abstract: In an implementation, if channel quality changes or a client-side requirement changes, a transmitter may process a to-be-transmitted super-frame, so that the to-be-transmitted super-frame carries a symbol or a bit indicating rate switching. For example, at least one reserved symbol in at least one polarization direction of the super-frame indicates the rate switching. For another example, at least one padding bit in a pre-framing bit set indicates the rate switching.

Abstract: A method is applied to a first device in the communication system, the communication that includes a second device, the first device and the second device both include first metadata that is used to describe at least one data category, and the at least one data category is a data category to which a data value that is sent by the first device to the second device belongs. In the method, the first device obtains a first data block based on the first metadata, where the first data block includes a data value that belongs to the at least one data category. The first device sends the first data block to the second device. The second device is configured to parse the first data block based on the first metadata, to obtain the data value.