Abstract: Driving method, apparatus, and sliding-rollable display device are disclosed. The sliding-rollable display device includes a movable housing, a driving motor and a flexible display screen, at least a portion of which covers the movable housing. The driving motor drives the movable housing to move between first and second positions, the first position is a position of the movable housing when the sliding-rollable display device is fully rolled and the second position is a position of the movable housing when the sliding-rollable display device is fully unrolled. A sensing element is provided on the movable housing, sensing modules are arranged at the first and second positions for detecting the sensing element. The driving motor is controlled to drive the movable housing to move to the first or second position, and to stop driving the movable housing when a first timer expires.

Abstract: This application provides a transmission precoding matrix indication method and a device. The method includes: determining a bit quantity of a transmission precoding matrix indicator field corresponding to a subband scheduled for uplink based on downlink control information received from a network device, where the bit quantity of the transmission precoding matrix indicator field corresponding to the subband is related to a quantity of subbands corresponding to the resource scheduled for uplink; and further, determining an uplink transmission precoding matrix corresponding to the subband based on the bit quantity of the transmission precoding matrix indicator field corresponding to the subband and the uplink transmission layer quantity. A transmission precoding matrix indicator field can be effectively used, and control channel resource utilization is improved.

Abstract: Provided is a vehicle-mounted display module. The vehicle-mounted display module vehicle-mounted display module includes an auxiliary deformation device and a deformable display screen; wherein the auxiliary deformation device comprises a drive mechanism, a securing mechanism, and a support mechanism; the securing mechanism is disposed on a side of the drive mechanism and is securably connected to the drive mechanism, and the securing mechanism is configured to secure a first local structure of the drive mechanism; the support mechanism is disposed on a side, away from the securing mechanism, of the drive mechanism and is securably connected to the drive mechanism, and the support mechanism is configured to reciprocate in a first direction under drive of a second local structure of the drive mechanism.

Abstract: An integral optical resonant cavity for frequency conversion is provided. The integral optical resonant cavity includes: a housing, a cavity-length adjustment device, a temperature control device and a nonlinear crystal provided in the temperature control device; a first plano-concave mirror and a second plano-concave mirror included in the cavity-length adjustment device and a nonlinear crystal form the optical resonant cavity; and light passes through the first plano-concave mirror, the nonlinear crystal and the second plano-concave mirror sequentially. The stability of the length of the optical resonant cavity is improved through an integral design thereof, and the stability of the temperature of the nonlinear crystal in the integral optical resonant cavity is improved through the temperature control device, thereby stably controlling relative phases between light fields for the frequency conversion in the resonant cavity.

Abstract: Midsoles for articles of footwear are formed of a variety of three dimensional mesh lattices. The lattices can be populated by unit cells of various base geometries. Some base geometries are structures of struts and nodes that approximate the overall shape of an implicit surface. Some base geometries are structures of struts and nodes that include struts having at least two different effective diameters. Some lattices are compound lattices that include and blend together at least two lattices populated by cells having different base geometries. Some compound lattices have a skin that includes beams extending across multiple cells at the exterior of the compound lattice.

Abstract: Midsoles for articles of footwear are formed of a variety of three dimensional mesh lattices. The lattices can be populated by unit cells of various base geometries. Some base geometries are structures of struts and nodes that approximate the overall shape of an implicit surface. Some base geometries are structures of struts and nodes that include struts having at least two different effective diameters. Some lattices are compound lattices that include and blend together at least two lattices populated by cells having different base geometries. Some compound lattices have a skin that includes beams extending across multiple cells at the exterior of the compound lattice.

Abstract: This application provides a transmission precoding matrix indication method and a device. The method includes: determining a bit quantity of a transmission precoding matrix indicator field corresponding to a subband scheduled for uplink based on downlink control information received from a network device, where the bit quantity of the transmission precoding matrix indicator field corresponding to the subband is related to a quantity of subbands corresponding to the resource scheduled for uplink; and further, determining an uplink transmission precoding matrix corresponding to the subband based on the bit quantity of the transmission precoding matrix indicator field corresponding to the subband and the uplink transmission layer quantity. A transmission precoding matrix indicator field can be effectively used, and control channel resource utilization is improved.

Abstract: This application provides a data sending method and apparatus. The method includes: A node generates a first modulation symbol corresponding to a first modulation scheme. The node quantizes the first modulation symbol to obtain a target symbol. The target symbol corresponds to one of a plurality of constellation points of a second modulation scheme. The node preprocesses the target symbol to obtain to-be-sent data. The preprocessing includes one or more of layer mapping, antenna port mapping, precoding, or transform precoding. The node maps the to-be-sent data to a physical resource, and sends the to-be-sent data by using the physical resource.

Abstract: A method for measuring and feeding back channel state information and a device is provided. The method includes: sending, by a first network side device, channel state information (CSI) measurement configuration information to user equipment, where the CSI measurement configuration information includes coordination indication information indicating that the first network side device and at least one second network side device are in a coordination relationship, receiving, by the user equipment, the CSI measurement configuration information from the first network side device, performing measurement based on the CSI measurement configuration information, and feeding back at least one group of CSI to the first network side device based on the measurement configuration information. Accuracy of fed back content and further facilitating scheduling of a base station is improved.

Abstract: This application provides a data sending method and a communication apparatus. The method includes: A first node determines, based on a quality of a channel between the first node and a second node, a sending time for starting to send data, where the first node is one of several candidate previous-hop nodes of the second node. The first node starts to send the data to the second node at the sending time. According to the data sending method, when a node needs to send data to a next-hop node of the node, the node may determine, based on quality of a channel between the node and the next-hop node of the node, a sending time for starting to send the data.

Abstract: A data sending method includes: performing, by a first node, rate matching to determine a first bit sequence; determining, by the first node, a first symbol sequence based on the first bit sequence, and determining some to-be-mapped symbols in the first symbol sequence; and mapping, by the first node, the symbols to a first resource, and sending the symbols.

Abstract: Provided by the present application are a method and a device for constructing integrated space-terrestrial network, the method including: obtaining a target constellation and standardizing a relative motion between each target satellite in the target constellation and earth's surface according to a principle of making a satellite running in a recursive earth-repeat orbit have fixed satellite subpoint trajectories; obtaining a recursively extended topological structure according to the target constellation; according to the extended topological structure, dividing geographical cells and obtaining a mapping relationship between the geographical cells and the satellite subpoint trajectories to facilitate network addressing and networking management based on geographical location; and performing, based on a deployment rule, a recursive incremental deployment according to the extended satellite network topological structure, and realizing integrated space-terrestrial network.

Abstract: The present disclosure belongs to the field of photoacoustic signal detection, and specifically relates to a quantum-enhanced all-optical photoacoustic signal detection device and method. The problem of low sensitivity of photoacoustic signals based on interference measurement is solved, and high-sensitivity detection of photoacoustic signals generated by living organisms including human bodies can be achieved. A degenerate optical parametric oscillator based on a first-type phase matching crystals is used for preparing a vacuum squeezed state light field, a coherent control technology is used for locking the squeezed angle to obtain the quadrature phase vacuum squeezed state, the prepared quadrature phase vacuum squeezed state light field is injected into the vacuum channel of a Michelson interferometer, and a balanced homodyne detection mode is used for achieving detection of the quantum-enhanced photoacoustic signals.

Abstract: Example quasi co-location information determining methods and apparatus are described. One example method includes determining a quantity X of pieces of quasi co-location QCL information, where X is a positive integer. When it is determined that the quantity X of pieces of QCL information is two, and that DCI corresponding to a current data channel does not indicate QCL information of an antenna port of the data channel, or that an interval between the current data channel and the DCI corresponding to the data channel is less than a threshold, two pieces of default QCL information of the antenna port of the data channel are determined.

Abstract: The present disclosure discloses an example communication method and apparatus. One example communication method includes receiving, by a first node, decoding information and coded data from a second node, where the coded data is obtained after data of a node group in which the first node is located is encoded, the data of the node group includes data expected to be received by at least two nodes in the node group, and the at least two nodes include the first node. Data expected to be received by the first node is obtained by the first node based on the decoding information and the coded data.

Abstract: This application provides a method for wireless communication and an apparatus. The method includes: receiving, by a communication device, L pieces of first data, and determining reception statuses for the L pieces of first data; receiving, by the communication device, second data, and generating feedback information based on the reception statuses for the L pieces of first data and the second data, where the feedback information indicates one or more reception statuses for M pieces of first data, the M pieces of first data are included in the L pieces of first data; and the second data is data obtained after N pieces of first data are encoded, the N pieces of first data are included in the L pieces of first data; and sending, by the communication device, the feedback information.

Abstract: An image is accepted by one or more processing circuits from a user depicting the user's skin. Machine learning models stored in one or more memory circuits are applied to the image to classify acne characteristics. An acne severity grade is provided by the one or more processing circuits and a user interface displays the acne severity grade.

Abstract: This application provides a power control method, a terminal, and a network device. The power control method includes: receiving, by a terminal, at least one piece of downlink control information (DCI) sent by at least one network device, where the at least one piece of DCI includes at least two transmit power control commands; and determining, by the terminal, a transmit power on an uplink channel in a same carrier based on the at least two transmit power control commands. According to the power control method in the embodiments of this application, the terminal can determine the transmit power on the uplink channel based on a plurality of transmit power control commands, thereby ensuring efficient and proper power allocation and improving overall system performance.

Abstract: This application provides a transmission precoding matrix indication method and a device. The method includes: determining a bit quantity of a transmission precoding matrix indicator field corresponding to a subband scheduled for uplink based on downlink control information received from a network device, where the bit quantity of the transmission precoding matrix indicator field corresponding to the subband is related to a quantity of subbands corresponding to the resource scheduled for uplink; and further, determining an uplink transmission precoding matrix corresponding to the subband based on the bit quantity of the transmission precoding matrix indicator field corresponding to the subband and the uplink transmission layer quantity. A transmission precoding matrix indicator field can be effectively used, and control channel resource utilization is improved.