Abstract: An anti-spoofing attack check method, including: receiving, by a first network device, a packet via a first interface; determining, by the first network device based on a source IP address of the packet, a first identifier corresponding to the source IP address; determining, by the first network device based on the first interface, a second identifier corresponding to the first interface; and determining, by the first network device, security of the packet based on the first identifier and the second identifier. The method helps prevent misjudgment of the anti-spoofing attack check.

Abstract: The present disclosure provides an image decoding method based on a wavelet transform. The method includes: performing entropy decoding on the compressed bitstream to obtain a reconstructed wavelet coefficient; dequantizing the reconstructed wavelet coefficient to obtain a dequantized wavelet coefficient; and performing N inverse wavelet transforms on the dequantized wavelet coefficient based on the wavelet transform model to obtain a reconstructed image, where the wavelet transform model is implemented based on a convolutional neural network (CNN).

Abstract: A remote assistance method includes: a first device as an assisted device obtains first information and starts a first remote assistance application in the first device, where the first information includes an application identifier of a second application for controlling a second device and an identifier for indicating that the second device supports a remote control; the first device sends a remote assistance request to a third device as an assisting device using the first remote assistance application, where the remote assistance request carries the application identifier; the third device receives the remote assistance request and starts a second remote assistance application, where a control interface of the second application is displayed in the second remote assistance application; and a control instruction is received on the control interface.

Abstract: This application provides a connector and an electronic device, to reduce signal crosstalk phenomena and optimize signal transmission performance of the connector. The connector includes a base, a plurality of terminal modules disposed on the base, and a ground shielding plate. The plurality of terminal modules are disposed in parallel in a first direction, and the ground shielding plate is disposed between two adjacent terminal modules. The ground shielding plate includes a body and at least two elastic elements disposed on the body, each elastic element includes a first spring arm, a second spring arm, and a contact part, a first end of the first spring arm and a first end of the second spring arm are separately connected to the body, and a second end of the first spring arm and a second end of the second spring arm are separately connected to the contact part.

Abstract: This application provides a communication method and apparatus, so that a terminal device sends uplink pilot signals, the terminal device obtains a first delay information set based on downlink pilot signals from a network device, and the network device jointly considers the first delay information set and the uplink pilot signals to perform uplink channel estimation. The first delay information set may indicate a delay position of a strong path, and uplink channel estimation accuracy can be improved.

Abstract: Embodiments of this application provide a data frame sending method and a network device. The method includes: A first node obtains routing label stack information of a first path, where the first path is used to transmit a service, and the routing label stack information indicates each node on the first path to establish a channel of the service on the node of the first path. The first node inserts the routing label stack information and service attribute information into a payload area of a first data frame, where the service attribute information indicates each node on the first path to configure a resource for the service. The first node sends the first data frame.

Abstract: Analytics information is generated in a new generation mobile network. A first network entity generates the analytics information, and a second network entity and a third network entity support the analytics generation. The first network entity is configured to obtain, from the second network entity or from one or more third network entities, past and/or current association information for an area of interest. Further, it is configured to provide analytics information based on the obtained association information for the area of interest. The past and/or current association information indicates one or more other network entities and/or network properties that, respectively, have been and/or are mapped to or serving the area of interest.

Abstract: A communication method, an access point and a station are provided. The method includes: receiving, by an access point, a sending request sent by a first station, and sending clear to send information to the first station; when the access point receives feedback information sent by the first station, allocating, by the access point, a channel to the first station, and allocating a channel to a second station based on remaining bandwidth; generating a first trigger frame, and sending the first trigger frame to the first station and the second station; and receiving uplink data sent by the first station and the second station. According to the application, bandwidth utilization of the access point and data transmission efficiency can be improved.

Abstract: A network handover method and a terminal device, the method including obtaining, by a terminal device, a link quality parameter of a data link of the terminal device, determining that a 5G system accessed by the terminal device is unavailable in response to the link quality parameter meeting a specified condition, and handing over from the 5G system to a non-5G system in response to the 5G system being unavailable, where the link quality parameter includes quantities of uplink and downlink data packets received in a duration, and here the specified condition comprises the quantity of downlink data packets received in the duration by exceeding a first threshold and a quantity of sent uplink data packets being 0, or a quantity of uplink data packets sent in the duration exceeding a second threshold and the quantity of received downlink data packets being 0.

Abstract: Embodiments of this application provide a method for reporting user equipment capability information and related device. A user equipment (UE) receives user equipment capability enquiry information sent by a network device, and reports the carrier aggregation capability of the user equipment by sending user equipment capability information to the network device, where the carrier aggregation capability of the user equipment includes the information that the downlink carriers of the UE in different radio access technologies are contiguous and the uplink carriers of the UE in the different radio access technologies are non-contiguous.

Abstract: A control method and a related device, applied to the field of autonomous driving, advanced driver assistance, or automatic control. The method includes: receiving at least one piece of first information from at least one first apparatus, where the first apparatus may include a roadside device, a network device, or a first vehicle; and determining, by a device, a first state of a second apparatus based on the received at least one piece of first information, where the second apparatus may be a vehicle light, an exterior horn, an interior signal lamp, an interior horn, an interior vibration apparatus, or the like. The first information may indicate a status such as on/off, blinking, and luminance of the vehicle light, or the interior horn plays a specific voice prompt.

Abstract: This disclosure relates to a natural language processing technology, and provides a sentence paraphrase method and apparatus. The method includes: paraphrasing an input sentence by using a sentence paraphrase model, to generate a plurality of candidate paraphrased sentences; and determining a similarity between each of the plurality of candidate paraphrased sentences and the input sentence, to obtain an output sentence whose similarity to the input sentence is greater than or equal to a preset threshold, where each of a plurality of paraphrased sentence generators in the sentence paraphrase model includes one neural network, the plurality of paraphrased sentence generators are trained by using source information and similarity information as a first reward, and the paraphrased sentence is obtained by paraphrasing the training sentence by using the plurality of paraphrased sentence generators.

Abstract: Methods and systems for estimating a gaze direction of an individual using a trained neural network. Inputs to the neural network include a face image and an image of a visually significant eye in the face image. Feature representations are extracted for the face image and significant eye image and feature fusion is performed on the feature representations to generate a fused feature representation. The fused feature representation is input into a trained gaze estimator to output a gaze vector including gaze angles, the gaze vector representing a gaze direction. The disclosed network may enable gaze estimation performance on user devices typically having limited hardware and computational resources such as mobile devices.

Abstract: A communication method includes sending, by a source mobility management network element in a first area, a first slice set for a home public land mobile network (PLMN) (HPLMN) of a terminal device to a target mobility management network element in a second area when handing over the terminal device from a source access network device in the first area to a target access network device in the second area, where the first slice set corresponds to a second slice set for the first area, and obtaining, by the target mobility management network element, a third slice set for the second area based on the first slice set.

Abstract: This application discloses a coordinated control method and system for electronic devices. When triggering coordinated control, a second electronic device sends remote view logic information associated with a running business to a first electronic device. The first device directly locally loads an application-related interface based on an interface layout file included in the remote view logic information. In this way, for the first device end, a component, a parameter, and the like that are related to the running application of the second device do not need to be customized on the first device end for the running application, and only the remote view logic information transmitted to the first device needs to be loaded. Distributed application logic may be defined for all running applications of the second device on a side of the second device, and then the second device synchronizes the distributed application logic with the first device.

Abstract: This application discloses a non-current equalization UPS apparatus, a current distribution method, and a parallel UPS system. The current distribution method may be applied to any UPS apparatus in a parallel UPS system. A current proportion of a first current output by the any UPS apparatus in a total output current of the parallel UPS system is positively related to a capacity proportion of an available battery capacity of a battery string correspondingly connected to the any UPS apparatus in a total available battery capacity of the parallel UPS system. Therefore, a system backup time of the parallel UPS system can be prolonged, and resource utilization of a battery string with a large available battery capacity can be improved.

Abstract: Embodiments of this application disclose an interpolation filter training method and apparatus, a video picture encoding and decoding method, an encoder, and a decoder. According to the training method, a first sub-pixel picture obtained through interpolation by using a conventional interpolation filter is used as label data, to train a second interpolation filter, so that the second interpolation filter obtained through training can be directly used for a pixel value, obtained through interpolation, of a first fractional pixel position. Therefore, the label data is more accurate, and coding performance of a video picture is improved. According to the encoding method, during inter prediction, a target interpolation filter used for a current encoding picture block is determined from a set of candidate interpolation filters, and the encoder selects, according to content of the current encoding picture block, an appropriate interpolation filter to perform an interpolation operation.

Abstract: A time-domain stereo parameter encoding method and a related product are provided. The time-domain stereo parameter encoding method includes: determining a channel combination scheme for a current frame; determining a time-domain stereo parameter of the current frame based on the channel combination scheme for the current frame; and encoding the determined time-domain stereo parameter of the current frame, where the time-domain stereo parameter includes at least one of a channel combination ratio factor or an inter-channel time difference.

Abstract: This application provides a traffic flow identification method and apparatus, and a model generation method and apparatus. The traffic flow identification method includes: A first device obtains a to-be-identified traffic flow, collects statistics about packet header information in the to-be-identified traffic flow in a preset time window, to obtain to-be-identified packet header statistics information, and obtains to-be-identified terminal-side information based on the to-be-identified traffic flow. Further, the first device determines a type of the to-be-identified traffic flow based on the to-be-identified terminal-side information and the to-be-identified packet header statistics information by using a traffic flow identification model.