Abstract: A vehicle stability control method and a vehicle stability control device are provided. The method may be applied to an intelligent automobile field such as intelligent driving or autonomous driving, and is used to control lateral stability of a front axis and rear axis distributed driven vehicle. In this method, a yawing movement of the vehicle is considered, and an additional yawing moment for maintaining lateral stability of the vehicle is provided by compensating for front-axis and rear-axis slip ratios, to control lateral stability of the vehicle and therefore improve stability of the vehicle during driving.

Abstract: A matrix processing method performed by a graphics processing unit (GPU) includes: determining a plurality of non-zero elements in a to-be-processed matrix at a processor in the GPU; generating a distribution matrix of the to-be-processed matrix at the processor, where the distribution matrix comprises identities for indicating positions of the plurality of non-zero elements in the to-be-processed matrix; obtaining a target matrix from another matrix by using the distribution matrix at a logic circuit in the processor, where the target matrix comprises a plurality of target elements from the another matrix; and performing matrix processing on the plurality of non-zero elements and the target matrix to obtain an operation result at the processor.

Abstract: A common information transmission method and an apparatus relate to the communications field, and to reduce repeated sending of common information from a base station to a plurality of user equipments (UEs) during sending of the common information, and improve utilization of resources between the base station and the UEs. The method includes obtaining, by UE, frequency domain location information of a first transmission bandwidth, determining, by the UE, a size and a location of the first transmission bandwidth in a bandwidth of the UE according to the frequency domain location information, where the bandwidth of the UE is one of system bandwidths, and receiving, by the UE over the first transmission bandwidth according to the size and the location of the first transmission bandwidth, common information sent by a base station.

Abstract: This application provides a signal transmission method and a communications apparatus. One example method includes: receiving, by a terminal device, configuration information, where the configuration information is used to configure the terminal device to transmit M signals in a first time unit, the terminal device has N antenna panels, M is an integer greater than or equal to 1, and N is an integer greater than or equal to 2; and transmitting, by the terminal device, at least one of the M signals based on first information by using at least one of the N antenna panels.

Abstract: A method, a device, and a system for transmitting a multicast packet are provided. The method includes: when a device that is in a source subnet and that is connected to a core network receives a multicast packet of a target multicast group, determining addresses of devices that are in a plurality of destination subnets corresponding to the target multicast group and that are connected to the core network, replicating the multicast packet, to obtain a plurality of multicast packets whose quantity is equal to a quantity of the plurality of destination subnets, separately adding outer encapsulation to each multicast packet, and forwarding the multicast packet to which the outer encapsulation is added, where a destination address in the outer encapsulation is an address of a device that is in each destination subnet and that is connected to the core network.

Abstract: An antenna system and a terminal device, where the antenna system includes a first feed point, a first ground point, a second feed point, a second ground point, a third ground point, a fourth ground point, a first radiator, a second radiator, a first resonance structure, and a second resonance structure, where the first feed point is coupled to the first radiator, the second feed point is coupled to the second radiator, the first radiator is coupled to the first ground point, and the second radiator is coupled to the second ground point, the first resonance structure is electromagnetically coupled to the first radiator at a first distance from the first radiator, and the second resonance structure is electromagnetically coupled to the second radiator at a second distance from the second radiator.

Abstract: Embodiments of this application relate to an access token management method. The method includes: obtaining, by a server, an access token and login information of an authorized account corresponding to the access token in a terminal, where the access token is a credential used for accessing a protected resource in the server, and the authorized account is an account that logs in to a resource authorization application on the terminal when the resource authorization application authorizes the access token; and when the login information indicates that the authorized account is in a non-login state, performing, by the server, invalidation processing on the access token.

Abstract: The present disclosure discloses example channel correction methods and devices. One example method includes sending a correction reference signal to at least two antennas in a second remote radio unit (RRU) through at least two antennas in a first RRU by using a first transmit power and a first weight vector. Correction reference signals received by the second RRU are combined into a fifth correction reference signal. A correction reference signal sent by the at least two antennas in the second RRU are received by the first RRU through the at least two antennas in the first RRU. Correction reference signals received by the first RRU are combined into a sixth correction reference signal. A correction coefficient of the transmit and receive channels between the first RRU and the second RRU is calculated using the fifth correction reference signal and the sixth correction reference signal.

Abstract: Embodiments of this disclosure provides a heartbeat information sending method and apparatus, a heartbeat information processing method and apparatus, and a node. One example method includes: determining at least one heartbeat receiving node in which at least two follower data blocks corresponding to at least two leader data blocks in a heartbeat sending node are located; and when the at least one heartbeat receiving node is a single heartbeat receiving node, sending heartbeat information of the heartbeat sending node to the single heartbeat receiving node, where the heartbeat information of the heartbeat sending node is obtained after respective heartbeat information of the at least two leader data blocks are combined.

Abstract: A wireless charging system includes a transmitter and a receiver, the transmitter includes a transmitter coil and a first series matching capacitor, the transmitter coil is connected to the first series matching capacitor in series to form a first oscillation circuit, and the first oscillation circuit is configured to transfer power to the receiver, and the receiver includes a receiver coil and a second series matching capacitor, the receiver coil is connected to the second series matching capacitor in series to form a second oscillation circuit, and the second oscillation circuit is configured to receive the power transferred by the first oscillation circuit.

Abstract: A downlink transmission method and an apparatus, the method including sending, by a network side device, a signaling indication to a terminal device (UE), where the signaling indication carries allocation information, and where the allocation information indicates a plurality of downlink transmission resources used to transmit data blocks.

Abstract: A method for determining a carrier center frequency in a wireless communications system and apparatus is provided. The method includes: determining, a carrier center frequency used by a base station and UE to communicate, according to a frequency band starting frequency, an absolute radio frequency channel number, a frequency band offset, and a relative radio frequency channel number. According to this application, a time for searching for a cell by a terminal can be reduced, power consumption of the terminal can be reduced, and a battery life can be extended.

Abstract: An interdigital capacitor and a multiplying digital-to-analog conversion circuit, where the interdigital capacitor includes at least one first metal layer. The following components are disposed in each first metal layer: a first electrode; at least one first finger metal connected to the first electrode; a second electrode; and a plurality of second finger metals connected to the second electrode, and at least one third finger metal connected to the second electrode. The at least one first finger metal is alternately disposed with the plurality of second finger metals to form capacitors, and the at least one third finger metal is a dummy finger metal.

Abstract: Embodiments of the present invention provide a paging determining method. The method includes: determining, by a network device, a first group to which a first terminal device paged on a first paging occasion belongs, where the first group belongs to the M groups; and sending, by the network device, control information based on the first group, where the control information is used to indicate paging information, and the paging information includes a device identifier of the first terminal device. Therefore, reduction of terminal device power consumption can be effectively supported.

Abstract: A method and an apparatus for receiving a common public radio interface (CPRI) data stream, a method and an apparatus for receiving an Ethernet frame, and a system, where a first network apparatus receives a first CPRI data stream using a CPRI of the first network apparatus, where the first network apparatus generates a segment of the first CPRI data stream according to the first CPRI data stream, the first network apparatus generates an Ethernet frame, where the Ethernet frame includes the segment of the first CPRI data stream and a CPRI data identifier, and the CPRI data identifier indicates that the Ethernet frame carries CPRI data, and the first network apparatus sends the Ethernet frame to a second network apparatus using an Ethernet interface of the first network apparatus.

Abstract: This application provides a method for obtaining a FIB of a device on a network. The network includes a verification system and a plurality of devices, and a first device is one of the plurality of devices. The first device receives a request message sent by the verification system, where the request message carries a command for obtaining a FIB of the first device that is generated at a specified time. The first device obtains the FIB or a FIB snapshot of the first device that is generated at the specified time. The first device adds the obtained FIB or FIB snapshot to a response message, and sends the response message to the verification system.

Abstract: This application provides a service transmission method and an apparatus. Service queues of a first communication apparatus contend for a channel. A service queue obtains the channel through contention to obtain a data transmission opportunity. The first communication apparatus transmits data of a highest-priority service queue of the first communication apparatus in a time window corresponding to the transmission opportunity. According to the technical solutions provided in this application, the data of the highest-priority service queue can be preferably transmitted, to reduce waiting time of the highest-priority service queue and reduce service latency.

Abstract: A method and device for coding and decoding are disclosed. The method includes: dividing a picture to be encoded into several slices, each containing macroblocks continuous in a designated scanning sequence in the picture; dividing slices in the picture into one or more slice sets according to attribute information of the slices, each slice set containing one or more slices; and encoding the slices in the slice sets according to slice and slice set division information to get a coded bit stream of the picture. The decoding method includes: obtaining slice and slice set division information from a bit stream to be decoded and decoding the bit stream according to the obtained slice and slice set division information. The invention improves the performance of video transmission effectively and realizes region based coding. The implementation of coding and decoding is simple and the complexity of coding and decoding systems is reduced.

Abstract: A communication method and an apparatus. The method includes receiving a first message from a first relay device, where the first message includes an identifier of a first terminal device, and the identifier of the first terminal device is a layer 2 identifier of the first terminal device, an adaptation layer identifier of the first terminal device, or an identifier allocated by the first relay device to the first terminal device; communicating with the first terminal device based on the identifier of the first terminal device. Therefore, the second terminal device may identify, based on the identifier of the first terminal device, data sent to the relay device from a protocol layer below a radio link control (RLC) layer or receive data from the relay device, to determine that a source terminal device or a destination terminal device associated with the data is the first terminal device.

Abstract: A method for configuring services in a communications network including defining, by a service provider, a service type, then associating, by the service provider of the service type, the service type with an Enhanced Distributed Channel Access (EDCA)/Priority Access parameter set on an Access Point (AP) infrastructure. Then, provisioning a WLAN entity with the service type. In some cases, the WLAN entity is a multi-link device (MLD), and the service type is associated with a set of links of the WLAN entity.