Abstract: Techniques are described for improving handover performance in the context of UEs incorporated into unmanned aerial vehicles (UAVs, a.k.a., drones). A database is constructed that relates locations in a three-dimensional flying space to handover information that may include optimum scanning directions, optimum handover parameters, and/or optimum target cells to be monitored for possible handover.

Abstract: A method and system are disclosed and include obtaining image data from at least one camera located within a vehicle. The method also includes determining a behavior of an occupant based on the image data. The method also includes determining whether the behavior corresponds to a predetermined condition, which is associated with at least one of inhaling smoke, inhaling vapor, eating, and drinking. The method also includes generating, in response to the behavior corresponding to the predetermined condition, an alert corresponding to the predetermined condition. The method also includes transmitting the alert to a remote device.

Abstract: A battery grid is disclosed. The battery grid includes a pattern of grid wires. The pattern includes a grid wire having a first segment with a first corrosion resistance and a second segment with a second corrosion resistance which is less than the first corrosion resistance. The second segment corrodes at a rate which is faster than the corrosion rate of the first segment so as to dynamically release internal stress and control grid growth of the battery grid during its service life. A battery includes said grid and a method of forming said grid are also disclosed.

Abstract: Systems and methods of controlling drones are disclosed. Computation and control of beam direction and frequency is dependent on drone characteristics including three-dimensional location, orientation, and flight plan, with messages exchanged between the drone processor and modem dependent on which entity is performing the computation and control. Communications with the serving cell use a directional antenna and cell selection using an omni-directional antenna. MDT measurement and reporting and IDC measurement uses the drone characteristics and battery life.

Abstract: This application discloses methods and apparatus for rendering a virtual channel in a multi-world virtual scene. The method includes generating a virtual scene for displaying a virtual channel, a first world, and a second world, the virtual channel being used for a render camera to move between the first and second worlds; and receiving a control request for triggering the render camera to move in the virtual scene; and identifying a location of the render camera in response to the control request to obtain a movement trajectory of the render camera during movement in the virtual scene. The method further includes detecting a world state according to the movement trajectory; determining whether the world state is an intermediate state; in response to determining the world state is the intermediate state, generating a room for accommodating the render camera; and displaying in the virtual scene the room.

Abstract: A method and system are disclosed and include obtaining sensor data from at least one sensor of a subject vehicle. The method also includes determining whether the sensor data indicates one of (i) a first vehicle has contacted the subject vehicle and (ii) the first vehicle is located within a threshold distance of the subject vehicle. The method also includes selectively activating, in response to one of (i) the first vehicle contacting the subject vehicle and (ii) the first vehicle being located within the threshold distance, at least one camera of the subject vehicle. The method also includes obtaining image data of the first vehicle from the at least one camera. The method also includes transmitting the image data to a remote computing system.

Abstract: Embodiments of this application disclose a virtual scene switching method and apparatus, a terminal device, and a storage medium, to improve the service adaptability of a portal, improve the application scenario of the portal, and enhance traversal experience of a user. In this method, when a terminal device determines that a relative position between a target virtual object and a target scene switching trigger meets a predetermined position relationship, it may be determined that the target virtual object intends to pass through the target scene switching trigger.

Abstract: This application relates to a method of processing augmented reality (AR) data at a terminal, and a storage medium, and the AR data propagation method includes: receiving AR data, the AR data carrying AR recognition data and being generated by a source terminal; displaying the AR data according to the AR recognition data; in response to receiving a user instruction, updating the AR data according to the user instruction; and sharing the updated AR data with a target terminal. With the solutions provided in this application, users can implement AR interactions with virtual world data by using a terminal with a relatively low configuration.

Abstract: A communication device and a method for determining an information from a second device including setting an initial beamforming pattern is provided. The initial beamforming pattern includes a beamforming direction and a corresponding beamforming area for each of the plurality of antenna ports, including determining a concerned direction interval based on overlapping beamforming areas of adjacent pairs of the plurality of antenna ports, receiving a signal from the second device, measuring a signal gain from the signal on each of the plurality of antenna ports, determining which concerned direction interval the second device occupies based on an antenna port having the highest signal gain and on one of the adjacent pair of antenna ports to the antenna port having the highest signal gain having a higher signal gain, and determining the information from the second device based on the determined concerned direction interval.

Abstract: Embodiments of this application disclose a method for implementing virtual scene conversion. The method in the embodiments includes: displaying an initial virtual scene, a first scene conversion trigger set, and partial information of at least one target virtual scene in a screen area, a scene conversion trigger being used for implementing conversion between associated different virtual scenes; determining, in a case that a trigger operation on the first scene conversion trigger is received, the target virtual scene and a second scene conversion trigger set based on the first scene conversion trigger operation in the initial virtual scene, the second scene conversion trigger set including at least one second scene conversion trigger associated with a plurality of determined target virtual scenes; and rendering and displaying the target virtual scene and the second scene conversion trigger set in the screen area.

Abstract: A computer-implemented method modifies a manufacturing process for integrated circuits that include memory chips and a memory buffer. One or more processors identify a performance trending estimate of memory chip failures versus memory buffer failures in failed integrated circuits. The processor(s) identify a location and address of each memory chip in the identified failed integrated circuits that has a memory chip failure. The processor(s) identify a wafer location on a wafer die on which each memory buffer that has a memory buffer failure was formed. The processor(s) predict a fault analysis (FA) pareto based on the performance trending estimate, the location and address of each memory chip in the failed integrated circuits, and the wafer location on the wafer die on which each memory buffer that has the memory buffer failure was formed such that a manufacturing process for the integrated circuits is modified based on the FA pareto.

Abstract: An expression animation data processing method is provided for a computer device. The method includes determining a location of a human face in an image and obtaining an avatar model; obtaining current expression data according to the location of the human face in the image and a three-dimensional face model; and obtaining expression change data from the current expression data. The method also includes determining a target split-expression-area that matches the expression change data, the target split-expression-area being selected from split-expression-areas corresponding to the avatar model; and obtaining target basic-avatar-data that matches the target split-expression-area. The method also includes combining the target basic-avatar-data according to the expression change data to generate to-be-loaded expression data; and loading the to-be-loaded expression data into the target split-expression-area to update an expression of an animated avatar corresponding to the avatar model.

Abstract: To configure a UE for handover between a source evolved Node-B (eNB) and a target eNB using aerial communications in a cellular network, the UE processing circuitry is to decode measurement configuration information from the source eNB. The measurement configuration information includes a plurality of height thresholds associated with aerial height of the UE. A measurement report is encoded for transmission to the source eNB. The measurement report includes the aerial height of the UE and the measurement report generation triggered based on one or more triggering events associated with the plurality of height thresholds. RRC signaling from the source eNB is decoded, the RRC signaling including a handover command. The handover command is based on a handover decision by the source eNB using the measurement report. A handover from the source eNB to the target eNB is performed based on the handover command.

Abstract: A method to simulate a circuit includes receiving at least one circuit requirement and at least one Modular Multilevel Converter (MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and DC grids in a hybrid AC and DC power system.

Abstract: A circuit arrangement includes a preprocessing circuit configured to obtain context information related to a user location, a learning circuit configured to determine a predicted user movement based on context information related to a user location to obtain a predicted route and to determine predicted radio conditions along the predicted route, and a decision circuit configured to, based on the predicted radio conditions, identify one or more first areas expected to have a first type of radio conditions and one or more second areas expected to have a second type of radio conditions different from the first type of radio conditions and to control radio activity while traveling on the predicted route according to the one or more first areas and the one or more second areas.

Abstract: A method for selecting at least one parameter for downlink data transmission with a mobile user equipment. The method is executable by a wireless communication base station having multiple antennas configured to communicate wirelessly with the mobile user equipment. The method receives an uplink probing signal from the mobile user equipment. The method determines a plurality of angles of arrival for a corresponding plurality of paths between the mobile user equipment and the multiple antennas. The method transmits a plurality of downlink probing signals directionally toward corresponding angles of arrival in the plurality of angles of arrival. Each downlink probing signal is a virtual antenna port with respect to the mobile user equipment. The method receives channel state information. The method composes at least one of a rank indicator (RI), precoding matrix indicator (PMI), or modulating and coding scheme (MCS) for downlink data transmission to the mobile user equipment.

Abstract: A method and system are disclosed and include obtaining image data from at least one camera located within a vehicle. The method also includes determining a behavior of an occupant based on the image data. The method also includes determining whether the behavior corresponds to a predetermined condition, which is associated with at least one of inhaling smoke, inhaling vapor, eating, and drinking. The method also includes generating, in response to the behavior corresponding to the predetermined condition, an alert corresponding to the predetermined condition. The method also includes transmitting the alert to a remote device.

Abstract: A method and system are disclosed and include obtaining sensor data from at least one sensor of a subject vehicle. The method also includes determining whether the sensor data indicates one of (i) a first vehicle has contacted the subject vehicle and (ii) the first vehicle is located within a threshold distance of the subject vehicle. The method also includes selectively activating, in response to one of (i) the first vehicle contacting the subject vehicle and (ii) the first vehicle being located within the threshold distance, at least one camera of the subject vehicle. The method also includes obtaining image data of the first vehicle from the at least one camera. The method also includes transmitting the image data to a remote computing system.

Abstract: A communication device and a method for determining an information from a second device including setting an initial beamforming pattern is provided. The initial beamforming pattern includes a beamforming direction and a corresponding beamforming area for each of the plurality of antenna ports, including determining a concerned direction interval based on overlapping beamforming areas of adjacent pairs of the plurality of antenna ports, receiving a signal from the second device, measuring a signal gain from the signal on each of the plurality of antenna ports, determining which concerned direction interval the second device occupies based on an antenna port having the highest signal gain and on one of the adjacent pair of antenna ports to the antenna port having the highest signal gain having a higher signal gain, and determining the information from the second device based on the determined concerned direction interval.

Abstract: Provided are a synchronization method, a wide area system protection apparatus, a plant station and a computer readable storage medium. The method includes: sending to a second plant station a first data frame that includes a sequence number p and a sending timestamp of the first data frame; receiving a second data frame sent by the second plant station, and recording a receiving timestamp of the second data frame, the second data frame including a sequence number q of the second data frame, a sending timestamp of the second data frame and a receiving timestamp of the first data frame, and the first data frame being adjacent to the second frame on the second plant station; calculating a time phase difference and a crystal oscillator frequency deviation between the first plant station and the second plant station; and adjusting time and a clock frequency of the first plant station.