Abstract: This application discloses a processing method and an obtaining method for a key material, an information transmission method, and a device. The method for processing a key material includes: receiving, by a second terminal, first information, where the first information is used to determine a first association relationship between a first terminal and the second terminal; and sending, by the second terminal, a key material of the first terminal based on the first association relationship, where the key material of the first terminal includes security information required for communication performed by the first terminal.

Abstract: This application discloses a data control method and apparatus, a communication device, and a readable storage medium. The data control method includes: obtaining, by a first communication device, first information or index information used to indicate a value of the first information, and performing a QoS control operation according to the first information or the index information used to indicate the value of the first information, where the first information includes at least one of the following: data description information of a data packet; data tunnel association information; data set association information; or first operation indication information.

Abstract: This application discloses an entropy encoding method and apparatus, and an entropy decoding method and apparatus. The entropy encoding method in the embodiments of this application includes: obtaining, by an entropy encoding apparatus, sparsity/density information of a to-be-encoded target point cloud; determining, based on the sparsity/density information, a type of an occupancy code context model used to perform entropy encoding on the target point cloud; and performing entropy encoding on the target point cloud based on the type of the occupancy code context model.

Abstract: An information transmission method and apparatus, and a storage medium, are provided. The information transmission method includes: determining, by a terminal, state information corresponding to a sidelink resource on an unlicensed frequency band; and sending, by the terminal, the state information to a target node, where the target node includes a control node or a target terminal.

Abstract: A signal processing method and apparatus, and an electronic device are provided. The method includes: obtaining a first pulse wave signal and motion signals in multi-dimensional directions, where the first pulse wave signal includes motion noise; performing independent filtering processing on the motion signal in each dimensional direction, and determining a noise estimated value corresponding to each dimensional direction; and using the noise estimated values in the multi-dimensional directions as parallel input parameters, using the first pulse wave signal as an input parameter, and performing filtering processing on the first pulse wave signal, to obtain a second pulse wave signal.

Abstract: A force sensing module is provided. The force sensing module includes: a first flexible circuit board, a substrate, and a second flexible circuit board stacked in sequence. The substrate includes a first surface and a second surface opposite to the first surface, and the first surface is provided with a first groove. A first force sensing resistor and a second force sensing resistor are disposed on a first side of the first flexible circuit board facing the first surface. A third force sensing resistor corresponding to the first force sensing resistor and a fourth force sensing resistor corresponding to the second force sensing resistor are disposed on a second side of the second flexible circuit board facing the second surface. The four resistors form a Wheatstone bridge structure. The force sensing module includes a detection circuit, configured to detect a differential voltage of the Wheatstone bridge structure.

Abstract: This application discloses a QoS control method and apparatus.

Abstract: A signal transmission method and apparatus, a device, and a system are provided. The signal transmission method includes: sending first signaling to a receive end device, where the first signaling is used to indicate configuration information of a first signal; and the configuration information includes at least one of the following: first information, a signal waveform, a target measurement quantity, or signal sequence information, where the first information is used to indicate a signal type of the first signal, or indicate whether the receive end device detects communication information of the first signal; and the target measurement quantity includes a measurement quantity to be measured or fed back by the receive end device.

Abstract: A card tray assembly and an electronic device are provided. The card tray assembly specifically includes a circuit board, a card tray holder, a card tray, and a waterproof cover. The card tray holder is connected to the circuit board, and a channel for connecting the card tray is formed between the card tray holder and the circuit board. The card tray is disposed in the channel and able to slide along the channel to switch between a pop-up state and a mounted state. The waterproof cover is connected to the circuit board, and an accommodating cavity is formed between the waterproof cover and the circuit board, the accommodating cavity being opposite the channel. In a case that the card tray is in the mounted state, the bottom of the card tray is embedded in the accommodating cavity.

Abstract: A data network uplink scheduling method and apparatus and an electronic device. The method includes: determining a maximum data volume of an uplink data packet to be sent by a target application program; and applying, according to a resource amount of the uplink data packet corresponding to the maximum data volume, for an uplink resource for the uplink data packet to be sent.

Abstract: This application discloses an information transmission and indication method and a communications device. The method includes: sensing, by a terminal, a resource of first information on an unlicensed band or a shared band, or performing a transmission of first information, where the first information includes at least one of the following: N1 pieces of first SL information in frequency division multiplexing (FDM), where N1>1; N pieces of first information in FDM, where the N pieces of first information include N2 pieces of first SL information and N-N2 pieces of second information, N>1, and N2?1; first SL information based on a first parameter; or first SL information within a first preset time, where at least one first transmission exists within the first preset time, and the first SL information includes a synchronization signal, a broadcast channel, or a synchronization signal block.

Abstract: A message processing method and apparatus, and an electronic device, are provided. The message processing method includes: when a communication interface displays a first message, receiving a first input performed by a first user on the first message; and in response to the first input, displaying a second message on the communication interface, where the second message includes the first message and a reply message quoting a first message segment in the first message.

Abstract: A resource recommendation method and a transport resource determining method and apparatus. The resource recommendation method includes: determining, by a first terminal, a recommended resource to be recommended to a second terminal, where the recommended resource is associated with one or more of the following: a sensing result by the first terminal; transmit resources for the first terminal; receive resources for the first terminal; and resources recommended by the first terminal to third terminals, the third terminals being terminals other than the second terminal; and/or transmitting, by the first terminal, first information to the second terminal, where the first information includes information related to the recommended resource and/or second information, the second information indicating whether the recommended resource is for transport by the second terminal to the first terminal.

Abstract: A method for controlling activation of a bandwidth part (BWP), a user equipment, and a base station are provided. The method includes: receiving BWP configuration information transmitted by a base station; wherein the BWP configuration information is used to indicate a default BWP corresponding to each component carrier. After receiving the BWP configuration information transmitted by the base station, the method further comprises: receiving a component carrier activation signaling transmitted by the base station; and activating, based on the component carrier activation signaling, a first target component carrier and a default BWP corresponding to the first target component carrier.

Abstract: A network radio frequency structure includes: a radio frequency transceiver; a first radio frequency module connected to the radio frequency transceiver, where the first radio frequency module is connected to a first antenna and a second antenna through a first DPDT switch; and a second radio frequency module connected to the radio frequency transceiver, where the second radio frequency module is connected to a third antenna and a fourth antenna through a first switch unit; where the first radio frequency module includes: a first transmitting module and a first receiving module, the first transmitting module is connected to a first interface of the first DPDT switch, and the first receiving module is connected to a second interface of the first DPDT switch.

Abstract: An antenna structure includes a resonant arm, a first feed line portion, a first floor, a substrate, a second floor, a second feed line portion, and at least two radiation pieces. The resonant arm is electrically connected to the first floor through the first feed line portion. The substrate is attached to the second floor. The second floor is disposed on a surface of the substrate proximate to the first floor. Two ends of a shield layer of the second feed line portion are connected to the first floor and the second floor, respectively. The at least two radiation pieces are disposed on a surface of the substrate away from the second floor. The second feed line portion wraps a feed line inside. The feed line passes through the substrate and the second floor and electrically connects to the at least two radiation pieces.

Abstract: An Ethernet frame transmission method and a communications device are provided. The method includes: removing a specified field from an Ethernet frame; and transmitting the Ethernet frame with the specified field removed to a second device.

Abstract: A method for prompting a battery level is provided. The method includes: obtaining a display mode of a current interface of an electronic device when the electronic device is in an uncharged state and a battery level of the electronic device is less than a first preset battery level. The method further includes performing a target adjustment operation based on the display mode of the current interface. The target adjustment operation is associated with the display mode of the current interface. The display mode of the current interface includes a full-screen mode or a non-full-screen mode.

Abstract: A folding mechanism is provided, including a base portion, a first housing seat, a second housing seat, a first screen supporting plate, a second screen supporting plate, and a third screen supporting plate. The first housing seat is rotatably disposed on the first screen supporting plate, the second housing seat is rotatably disposed on the second screen supporting plate, and the third screen supporting plate is movably connected to the base portion in its own support direction. The first housing seat is rotatably connected to the base portion by a first swing arm, the second housing seat is rotatably connected to the base portion by a second swing arm, the first screen supporting plate is slidably and rotatably connected to the base portion by a third swing arm, and the second screen supporting plate is slidably and rotatably connected to the base portion by a fourth swing arm.

Abstract: The present application discloses a channel estimation method and apparatus, a device, and a readable storage medium. The channel estimation method includes: receiving, by a communication device, a pilot signal and a data signal; determining, by the communication device, a linear feature according to the pilot signal; determining, by the communication device, a nonlinear feature according to the data signal; and performing, by the communication device, channel estimation according to the linear feature and the nonlinear feature.