Abstract: A forwarding device receives at least one service flow; the forwarding device obtains service information of the at least one service flow, where the service information of the service flow includes identification information of a network object to which the service flow belongs and M key performance indicators KPIs of the service flow, M is an integer greater than 0, and the network object includes one or more devices; and the forwarding device sends training information to a first device, where the training information includes the service information of the at least one service flow or a feature set obtained based on the service information of the at least one service flow, the training information is used to train a fault detection model, and the fault detection model is used to detect whether the network object is in a faulty state.

Abstract: A communication method and a communications apparatus are disclosed. The method is performed by a control plane function entity and includes: obtaining a correspondence between address information of a user plane function entity and a user plane capability supported by the user plane function entity; receiving a request message from an application server, where the request message is used to request to establish a session for a first service and includes service information of the first service, and the service information includes at least one of broadcast area information and service type information; determining address information of a target user plane function entity based on the correspondence and the service information; and establishing a session connection to the target user plane function entity based on the address information.

Abstract: A rotating mechanism includes: a rotating shaft; a first mechanical part, where the first mechanical part is provided with a first slide groove; a second mechanical part, where the second mechanical part is provided with a second slide groove; a third mechanical part, where the third mechanical part is disposed in the first slide groove, and one end of the third mechanical part is rotatably connected to the rotating shaft; and a fourth mechanical part, where the fourth mechanical part is disposed in the second slide groove, and one end of the fourth mechanical part is rotatably connected to the rotating shaft. When the first mechanical part and the second mechanical part rotate around the rotating shaft, the third mechanical part slides with respect to the first slide groove.

Abstract: A measurement method, a device, and a system are provided, so that a communications device can determine criterion S on a serving cell when performing radio resource management (RRM) measurement on a non-anchor carrier. The method includes: a communications device determines a first reference signal received power based on at least one measurement result obtained by measuring a reference signal received power on a first non-anchor carrier, where the first non-anchor carrier is a carrier on which the communications device receives a paging message from a network device in a serving cell in which the communications device is located; and the communications device determines criterion S on the serving cell based on the first reference signal received power.

Abstract: The disclosure provides communication methods and apparatuses. One example method includes that the first access network device obtains a correspondence between the first terminal apparatus and the second terminal apparatus. After obtaining a data packet, the first access network device sends a same data packet to the first terminal apparatus and the second terminal apparatus based on the correspondence, so that the first terminal apparatus and the second terminal apparatus transmit the same data packet to the slave station device.

Abstract: The disclosure provides communication methods and apparatuses. One example method includes that a terminal device sends a random access request to a network device, and the terminal device receives a random access response to the random access request that comprises first configuration information from a network device. The first indication information indicates not to perform channel access or the first indication information indicates that a channel access type is channel access without random back-off or channel access with random back-off with variable size of contention window. The terminal device sends an uplink message to the network device based on the first indication information, where the uplink message is carried on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH).

Abstract: A data stream classification model updating method is disclosed. Determining, based on packet information of a current data stream and a behavior classification model, a first data stream class corresponding to the current data stream; determining, based on a target correspondence and a common feature of the current data stream, a second data stream class corresponding to the current data stream, where the target correspondence is a correspondence between a plurality of common features and a plurality of data stream classes; and if the first data stream class is different from the second data stream class, obtaining correction data corresponding to the current data stream, where the correction data includes the packet information of the current data stream and the second data stream class, and the correction data is used as a training sample to update the behavior classification model.

Abstract: A wake-up packet sending method, including: obtaining, by a sending apparatus, a wake-up packet WUP, where the WUP includes a preamble sequence, and the preamble sequence includes N consecutive first sequences S, where N is an integer greater than or equal to 2 (for example, [S S]), and the N consecutive first sequences S are used to indicate that a data rate used for the WUP is a first value; or the preamble sequence includes a second sequence M, where the second sequence M is used to indicate that a data rate used for the WUP is a second value; and the second sequence M and the first sequence S are in a bit logical negation relationship; and sending the WUP, to wake up a main receiver of a receiving apparatus.

Abstract: A screen capturing method includes: In a screen split state, an electronic device displays N applications respectively by using N split screens, where one split screen is configured to display an interface of one application, and N is a positive integer greater than 1; further, the electronic device receives a screen capturing operation for a target split screen, where the target split screen includes at least one split screen; finally, in response to the screen capturing operation, the electronic device displays, in full screen, an interface of an application corresponding to each split screen in the target split screen, and generates a screenshot picture, where the screenshot picture includes a full-displayed interface of the application corresponding to each split screen in the target split screen.

Abstract: A video coding mechanism includes receiving a bitstream comprising a current picture including a sub-picture coded according to inter-prediction. Coded blocks contain candidate motion vectors for a current block of the sub-picture. The coded blocks include a collocated block from a different picture. A candidate list of candidate motion vectors for the current block are derived by excluding collocated motion vectors from the candidate list when the collocated motion vectors are included in the collocated block, when the collocated motion vectors point outside of the sub-picture, and when a flag is set to indicate the sub-picture is treated as a picture. A current motion vector for the current block is determined from the candidate list of candidate motion vectors. The current block is decoded based on the current motion vector. The current block is forwarded for display as part of a decoded video sequence.

Abstract: This application discloses a data writing method. A network controller performs erasure code encoding on original data, and writes a third quantity of target data blocks of a plurality of obtained target data blocks into a storage node. The network controller reads a first quantity of target data blocks of the third quantity of the target data blocks from the storage node, and decodes the read target data blocks. The plurality of target data blocks include a first quantity of original data blocks and a second quantity of check data blocks, two ends of a target data block include same version information, and the third quantity is greater than the first quantity.

Abstract: A network access method and apparatus for improving network access accuracy of a terminal device are disclosed.

Abstract: This application discloses a fault recovery plan determining method, apparatus, and system, and a computer storage medium, and belongs to the field of network technologies. First, a control device obtains a similar known fault that is in a plurality of known faults and whose fault root cause and a fault root cause of a target fault in a network meet a similarity condition. Then, the control device obtains a fault recovery plan corresponding to the similar known fault. The control device determines, based on the fault recovery plan corresponding to the similar known fault, a fault recovery plan corresponding to the target fault.

Abstract: A method of decoding is provided. The method includes receiving a video bitstream including a picture unit (PU) having a picture header (PH) with a PH syntax structure, where the PH syntax structure includes the following syntax elements common for all slices of a coded picture associated with the PH syntax structure: a non-reference picture flag, a picture parameter set (PPS) identifier (ID), a picture order count (POC) least significant bit (LSB), a no output of prior pictures flag, a recovery point POC, and a picture output flag; and decoding the coded picture from the PU to obtain a decoded picture.

Abstract: This application discloses a clock synchronization method and a related apparatus in a distributed system. The distributed system includes a plurality of nodes, and the plurality of nodes include a master node and a plurality of slave nodes. The master node obtains a plurality of local clock offsets, where each of the plurality of local clock offsets indicates a clock offset between two nodes in the distributed system. The master node determines a global clock offset of a target slave node relative to the master node based on the plurality of local clock offsets, and sends the global clock offset to the target slave node. The target slave node obtains a clock reference value of a local clock, and then performs clock synchronization based on the clock reference value and the global clock offset.

Abstract: A sidelink control information sending and receiving method, a terminal apparatus, and a system are provided in this application, and may be applied to fields such as vehicle-to-everything (for example, V2X, LTE-V, or V2V), intelligent driving, and an intelligent connected vehicle. In a scenario in which second-stage SCI is not required in a sidelink communication system, a transmit end apparatus in sidelink communication indicates, by using first-stage SCI, a cyclic redundancy check bit corresponding to the first-stage SCI, or a reference signal used to demodulate the first-stage SCI, that the transmit end apparatus is not to send the second-stage SCI to a receive end apparatus. In this way, the transmit end apparatus may flexibly choose, based on a specific scenario of the sidelink communication, to use 2-stage SCI or 1-stage SCI, to avoid resource waste caused by using the 2-stage SCI in any scenario of the sidelink communication, thereby improving resource utilization efficiency.

Abstract: The present disclosure relates to reference signal resource configuration methods and apparatus. In one example reference signal resource configuration method, a terminal receives sounding reference signal (SRS) resource configuration information from a base station. In response to determining that at least two SRS resources indicated by the SRS resource configuration information are located on a same orthogonal frequency division multiplexing (OFDM) symbol, the terminal maps one of the at least two SRS resources to the OFDM symbol.

Abstract: A power divider and an electronic device are provided. The power divider includes: a main port having an input characteristic admittance; a first output port having a first characteristic admittance; a second output port having a second characteristic admittance, where the second and the first characteristic admittances have a predetermined ratio relationship; a first adjustment branch coupled between the main port and the first output port; and a second adjustment branch coupled between the main port and the second output port. The input characteristic admittance is a sum of admittances presented by the first and second adjustment branches at the main port. The admittance presented by the first adjustment branch at the main port and the admittance presented by the second adjustment branch at the main port are adjustable and the input characteristic admittance is enabled to be equal to a sum of the first and the second characteristic admittances.

Abstract: Embodiments of this application relate to a communications method and apparatus. An example of the method includes: sending, by a user equipment (UE) to a network device, information used to indicate a first time domain offset and/or information used to indicate low power consumption; and receiving, by the UE, first information sent by the network device, where the first information is used by the UE to determine a first time domain resource allocation.

Abstract: There is provided a method and system for communication network management. There is provided an active TE architecture and procedure that rely on the epistemic uncertainty obtained from traffic forecasting models. According to embodiments, the traffic forecasting models can predict the mean of the network traffic demand and can extract one or more of the features relating epistemic uncertainty and the aleatoric uncertainty. According to embodiments, the epistemic uncertainty is used to vary the sampling frequency of network statistics in TE applications, for specific times or specific flows. A time-window can be used to predict network traffic can be varied (e.g. increased or decreased) to adjust the epistemic uncertainty.