Abstract: A computer-implemented method for using a federated learning scheme within an Open Radio Access Network, O-RAN, is provided. The method comprising the following steps: providing an O-RAN; deploying a federated learning manager, FLM, in an O-RAN Non-Real-Time RAN Intelligent Controller, Non-RT RIC; coordinating by the FLM an involvement of the Non-RT RIC and an O-RAN Near-Real-Time RAN Intelligent Controller, Near-RT RIC, in at least one federated learning scheme; and executing the at least one federated learning scheme. Further, a corresponding system is provided.

Abstract: A wireless communication device can include switch circuitry. The switch circuitry can include stacks having a common gate node and a common body node, wherein a stack includes a metal-oxide-semiconductor field-effect transistor (MOSFET) having a body resistive element coupled to a body terminal of the MOSFET and the common body node a gate resistive element coupled to a gate terminal of the MOSFET and the common gate node. The switch circuitry can further include a self-biased MOSFET coupled to the common gate node and the common body node, a gate of the self-biased MOSFET configured to receive direct current (DC) bias with a low pass filter.

Abstract: A control system and a control method of a battery pack charging/discharging, and a garden tool system are provided. The control system of the battery pack charging/discharging includes a battery module, a power board module and a motherboard module. The power board module includes a plurality of connecting terminals, and the plurality of the connecting terminals is connected with a power tool or a charger. The motherboard module is connected with the battery module and is used to collect parameter information of the battery module. The motherboard module is further connected with the power board module, the motherboard module controls a charging/discharging of the battery module based on the power board module, and the motherboard module and the power board module are formed on different circuit boards.

Abstract: A projection device and a display system are provided. The projection device includes a light source assembly, a light converging assembly, a display panel and a lens assembly. A surface of the light converging assembly includes a plurality of unit regions, and the plurality of unit regions does not go beyond a region of X*Y, where X and Y are both positive integers; a reflective thin film covers the plurality of unit regions at the surface of the light converging assembly; a reflectivity of the reflective thin film corresponding to at least one unit region in the plurality of unit regions is different from a reflectivity of the reflective thin film corresponding to the remaining unit regions; and light reflected by different unit regions of the light converging assembly enters different unit display regions at a display region of the display panel.

Abstract: Disclosed is a light source assembly. The light source assembly comprises a light source, a base disposed on a backlight side of the light source, and a polarization beam-splitting layer disposed on a light-emitting side of the light source. The polarization beam-splitting layer is configured to reflect a light beam that meets a first condition to the light source, and transmit a light beam that does not meet the first condition. The light source is configured to emit a first light beam and emit a second light beam based on the light beam in the second polarization direction reflected by the polarization beam-splitting layer.

Abstract: Disclosure is a multi-voltage battery pack which includes: a housing, battery strings disposed inside the housing and including a plurality of battery cells, a battery interface disposed on the housing for use with the power tool, and a converting assembly disposed within the housing and electrically connected to the battery strings. The converting assembly has a first state, a second state, and a third state. The multi-voltage battery pack can separately output a first operating voltage, a second operating voltage, and a third operating voltage. The third operating voltage is greater than the second operating voltage, and the second operating voltage is greater than the first operating voltage.

Abstract: A method for training a machine-learning model for use in a Radio Access Network (RAN) controller of a wireless communication network includes receiving, by a brokering entity from the RAN controller, a request for training the machine-learning model. The method includes triggering, by the brokering entity, an assignment of computational resources of a shared hardware accelerator device being separate from the RAN controller for a training application to be used for training the machine-learning model. The method includes training, by the training application and using the assigned computational resources, the machine learning model, and providing the trained machine learning-model to the RAN controller. The method has applications including, but not limited to, Artificial Intelligence (AI) and Machine Learning (ML) operations for optimizing training of a machine-learning model (e.g., a neural network) for use in a RAN controller with improved decision making.

Abstract: A data transmission method for a virtual reality system, the data transmission method including: performing, by a first processor, image sampling on an image to be transmitted to obtain a first image; performing, by the first processor, image sampling on the image to be transmitted to obtain a second image; transmitting, by the first processor, the first image and the second image to a virtual reality apparatus; receiving the first image and the second image by the virtual reality apparatus and processing the first image and the second image by the virtual reality apparatus to obtain an image to be displayed; and displaying the image to be displayed by the virtual reality apparatus.

Abstract: A data transmission method for a virtual reality system, the data transmission method including: performing, by a first processor, image sampling on an image to be transmitted to obtain a first image; performing, by the first processor, image sampling on the image to be transmitted to obtain a second image; transmitting, by the first processor, the first image and the second image to a virtual reality apparatus; receiving the first image and the second image by the virtual reality apparatus and processing the first image and the second image by the virtual reality apparatus to obtain an image to be displayed; and displaying the image to be displayed by the virtual reality apparatus.

Abstract: Embodiments of this application disclose a communication method and apparatus, and a readable storage medium, and relate to the field of communication technologies, enabling flexible configuration of an SRS signal. The method includes transmitting first indication information that indicates a plurality of non-consecutive orthogonal frequency division multiplexing OFDM symbols, where the plurality of OFDM symbols are used by a terminal device to send an SRS signal to a network device, and correspond to a same SRS bandwidth and a same antenna port of the terminal device.

Abstract: A communication method, a communication apparatus, and a storage medium, where the method includes: configuring, for a terminal device, a sounding reference signal (SRS) resource whose port quantity corresponds to an antenna sending capability of the terminal device, where the antenna sending capability of the terminal device indicates a maximum quantity of antennas capable of being simultaneously used by the terminal device to send a signal; receiving SRSs from the terminal device, where the terminal device includes at least two sub-receivers, and the SRSs are sent by the terminal device separately through antennas of different sub-receivers based on the SRS resource; and determining, based on the port quantity of the SRS resource and an antenna quantity of each sub-receiver of the terminal device, a sub-receiver corresponding to a port corresponding to the SRS.

Abstract: An anti-BDCA2 antibody-drug conjugate and the use thereof. The anti-BDCA2 antibody-drug conjugate comprises: an antibody targeting BDCA2 or an antigen-binding fragment thereof, a linker fragment (L), and a glucocorticoid molecule. Also provided are a preparation method for and the use of the antibody-drug conjugate.

Abstract: This application relates to the field of communication technologies, and provides a communication method and apparatus, to perform power compensation on a network device side, improve accuracy of a channel estimation result, and improve communication performance. The method includes: A terminal device receives first indication information from a network device, and sends second indication information to the network device, where the first indication information indicates the terminal device to report a power loss factor corresponding to a port configured for the terminal device, the power loss factor corresponding to the port indicates a power difference between the port and a first port, and the second indication information indicates the power loss factor corresponding to the port configured for the terminal device.

Abstract: Disclosure is a multi-voltage battery pack which includes: a housing, battery strings disposed inside the housing and including a plurality of battery cells, a battery interface disposed on the housing for use with the power tool, and a converting assembly disposed within the housing and electrically connected to the battery strings. The converting assembly has a first state, a second state, and a third state. The multi-voltage battery pack can separately output a first operating voltage, a second operating voltage, and a third operating voltage. The third operating voltage is greater than the second operating voltage, and the second operating voltage is greater than the first operating voltage.

Abstract: A process management method and a related electronic device are provided. According to the method, process data in a volatile memory can be migrated to a non-volatile memory in real time in a running process of a system. When the system is asleep, data in a memory does not need to be packaged and backed up. When the system is woken up or restarted, data does not need to be parsed and reconstructed, to implement quick sleeping and waking up of the system. In addition, even if the system is restarted due to an unexpected power failure, a loss of key data in the memory can be avoided, and a speed of waking up or restarting the system can also be improved.

Abstract: The application discloses a display module and a projector. The display module includes a light source, a first lens, a second lens, and a display panel, wherein the light source includes a light-emitting area, the display panel includes a display area, the light source emits a first light beam through the light-emitting area, the first lens refracts the first light beam into a second light beam, the second lens refracts the second light beam into a third light beam. The plane where the light-incident surface of the display panel is located includes a first irradiation area, and the first irradiation area includes a first effective irradiation area that is continuously distributed, the first effective irradiation area includes a strongest illumination position therein. The illumination intensity on the outer contour of the first effective irradiation area is I % of the strongest illumination position, I?45.

Abstract: Disclosed herein are embodiments of a hearing aid configured to be worn by a user. The hearing aids can include a sound scene analyzer for analyzing sound in at least one input audio signal and for providing a sound scene control signal indicative of a current sound environment. The hearing aid can further include a notification unit configured to provide a notification signal in response to a notification request signal indicative of a request for conveying a specific message to the user.

Abstract: A computer-implemented method for optimizing energy consumption of a digital twin system. A plurality of input metrics are received for each of a plurality of digital twins implemented in the digital twin system, the input metrics including sensor data from a plurality of corresponding physical counterparts of the digital twins. An updated configuration is determined for each of the plurality of digital twins based on context information of the digital twins, each updated configuration including at least one of an updated radio configuration, computing configuration, and digital twin configuration that reduces a power consumption of the digital twin system. Each updated configuration is provided to at least one of a radio application programming interface (API), computing API, and digital twin configuration API.

Abstract: Disclosed herein are antenna systems, methods, and devices. The device includes a first portion including a first antenna array; and a second portion including a second antenna array, wherein the first portion and the second portion are movable with respect to one another, and wherein the first antenna array and the second antenna array are arranged such that in a first relative position of the first portion and the second portion with respect to one another the first antenna array and the second antenna array operate in combination with one another, and in a second relative position of the first portion and the second portion with respect to one another the first antenna array and the second antenna array operate independently of one another.

Abstract: A mobile device protective case configured to cover a peripheral of a mobile device with a touchscreen includes a first case, a second case and a button part. The first case is configured to cover a first part of a back of the mobile device. The second case is configured to cover a second part of the back of the mobile device in a first use state, and is configured to be detached from the back of the mobile device and to cover a front of the mobile device in a second use state. The button part is arranged on the second case and is configured to allow a user to touch the touchscreen through the button part in the second use state.