Abstract: A method, an apparatus, and a system for setting up a direct link, and a method and an apparatus for sending a wireless local area network frame. The method includes: a first multi-link device sets up, based on parameters of a plurality of stations belonging to the first multi-link device and device information of a second multi-link device, at least one direct link between the first multi-link device and the second multi-link device. Each of the at least one direct link is connected to one of the plurality of stations belonging to the first multi-link device and one station belonging to the second multi-link device.

Abstract: A method for determining a user plane security algorithm, a system, and an apparatus. The method may include: a second device selects a non-null user plane confidentiality protection algorithm based on a security capability of a first device and a security capability of the second device in a case in which user plane confidentiality protection between the second device and the first device is enabled and control plane confidentiality protection between the second device and the first device is not enabled. The second device sends a first message to the first device. The first message includes first algorithm indication information indicating the user plane confidentiality protection algorithm. Therefore, the first device can obtain the non-null user plane confidentiality protection algorithm. Embodiments can be adopted to determine an effective user plane confidentiality protection algorithm, for confidentiality protecting user plane data.

Abstract: A heart rhythm detection control method and a terminal relate to the field of terminal technologies, and can reduce, to some extent, an inaccurate heart rhythm detection result displayed by a terminal. The heart rhythm detection control method includes: detecting motion data of the terminal in response to a heart rhythm detection instruction input by a user; and if the motion data is greater than a motion data threshold, displaying first prompt information in a user interface. The first prompt information is used to prompt the user that heart rhythm detection is suspended.

Abstract: A data scheduling method and apparatus. The method includes: allocating, by an access point (AP), at least one of a plurality of primary channels to each of a plurality of stations (STAs), where active access is forbidden on the plurality of primary channels; and synchronously scheduling, by the AP, a STA on a channel including at least one idle primary channel, where the synchronously scheduled STA is a STA allocated to the at least one idle primary channel, and the at least one idle primary channel is at least one of the plurality of primary channels. The AP sets the plurality of primary channels, so that the AP can flexibly schedule the station by using the idle primary channel. This avoids a problem caused by setting only one primary channel, thereby improving data transmission efficiency.

Abstract: A communication method and a communication apparatus are provided. In the communication method provided in embodiments of this application, a first device determines a first link resource, where the first link resource is used for sending information to a first terminal by the first device; and the first device determines a second link resource, where the second link resource is used, by the first device, for receiving information sent by a second terminal, where the first link resource has a same frequency resource as the second link resource.

Abstract: A message generation method, a message processing method, a message generation apparatus, and a message processing apparatus are provided. The message generation method includes: obtaining, by a first device, a segment identifier list SID list, where the SID list includes a plurality of segment identifiers SIDs, the first N bits of the plurality of SIDs are the same, and N is a positive integer; generating, by the first device, a first message based on the SID list, where the first message includes a first part and a second part, the first part includes the first N bits of the plurality of SIDs, and the second part includes bit N+1 to bit 128 of each of the plurality of SIDs; and sending, by the first device, the first message to a second device.

Abstract: A joint transmission method includes sending, using a first access point (AP), a buffer indication to a second AP instructing the second AP to buffer first data, sending the first data to a station (STA), receiving a response frame from the STA, determining, based on the response frame, whether a joint transmission procedure needs to be initiated, sending a joint transmission indication to a third AP in response to determining to initiate the joint transmission procedure, where the joint transmission indication instructs the third AP to send second data to the STA, where the second data comprises all or a part of the first data, and where the third AP is the second AP, and sending the second data.

Abstract: A charging method includes: determining, by a control plane function entity (CP), that a data flow that is transmitted by user equipment (UE) on a first data session needs to be migrated to a second data session; charging, by the CP, the data flow on the first UP through a first charging session between the CP and a charging system; obtaining, by the CP, charging information of the data flow before the migration that is counted by the first UP; and determining, by the CP, a quota that is used for the data flow after the migration is necessary to be delivered to the second UP, and delivering the quota to the second UP, thereby charging a service data flow of a user in a case of migration between user planes.

Abstract: Embodiments of this application disclose a profile transmission method, a related device, and a storage medium, to ensure that a terminal can download a profile to a corresponding OS. This improves accuracy of downloading the profile by the terminal. The method in the embodiments of this application includes: when the terminal runs a first operating system OS, obtaining, by the terminal, a second OS identifier, where the second OS identifier matches a second profile; switching, by the terminal, to a second OS based on the second OS identifier; sending, by the terminal, a target message to a server, where the target message is used to request the second profile; and obtaining, by the terminal, the second profile from the server.

Abstract: The invention relates to the technical fields of binaural audio rendering and, to this end, estimation of room acoustic parameters like reverberation time. In particular, the invention provides a device and method for estimating such acoustic parameters. The device is configured to record an acoustic signal, particularly a speech signal, to estimate a frequency-dependent reverberation time in a lower frequency range based on the recorded acoustic signal, and to extend the frequency-dependent reverberation time to a higher frequency range based on a predetermined model to obtain an extended frequency-dependent reverberation time. Virtual 3D audio can thus be adapted to a real room.

Abstract: This application provides a wearable device. The wearable device includes a bearing body and a Bluetooth headset. An accommodating slot is disposed on the bearing body, a first locking component is disposed on the Bluetooth headset, and a second locking component is disposed on the bearing body. The Bluetooth headset is accommodated in the accommodating slot. The first locking component can be locked with the second locking component. The Bluetooth headset includes an operation portion. The operation portion is configured to: unlock the first locking component and the second locking component, and push the unlocked Bluetooth headset out of the accommodating slot. The wearable device in this application can directly accommodate the Bluetooth headset, to provide more convenience to a user.

Abstract: Embodiments of this application relate to the communications field, and provide a route update method, the method, comprising: sending a medium access control protocol data unit (MAC PDU), wherein the MAC PDU comprises a first buffer status report (BSR); and canceling, in response to the sending of the MAC PDU, a scheduling request triggered prior to the MAC PDU assembly, wherein the first BSR comprises a buffer status up to the last event that triggers a BSR prior to the MAC PDU assembly.

Abstract: A method and apparatus for mitigating the beam squint effect in a wideband wireless communication device involving a phased antenna array. Time delay units are operated in series with phase shifters to apply phase shifts to signals fed to or received from antenna elements. The array may be subdivided into sub-arrays each associated with its own time delay unit, and with each antenna element associated with its own phase shifter. The phase shifters are operated to compensate for location mismatch between time delay units and antenna elements, and also to compensate for practical limitations of the time delay units, such as length and quantization limitations.

Abstract: Embodiments provide a data receiving status reporting method and apparatus. The method includes: determining, by first user equipment, a status of receiving at least one packet data convergence protocol layer protocol data unit PDCP PDU by second user equipment, where the at least one PDCP PDU is forwarded by the first user equipment to the second user equipment after being received by the first user equipment through a communications link between the first user equipment and a network device; and sending, by the first user equipment, a first status report to the network device, where the first status report is used to indicate the status of receiving the at least one PDCP PDU by the second user equipment.

Abstract: An application program control method includes acquiring user operation information, determining, according to the user operation information, an application program icon operated by a user, determining a target control operation according to a control operation of an application program corresponding to the application program icon, and executing the target control operation.

Abstract: A control information transmission method, apparatus, and systems are disclosed. An example method includes: determining configuration information of a control channel, wherein the configuration information comprises at least one of frequency domain information or time domain information, the at least one of frequency domain information or time domain information indicates a time-frequency resource occupied by the control channel, and the configuration information further comprises indication information indicating a quantity of at least one resource element set, wherein the time-frequency resource occupied by the control channel comprises the at least one resource element set; mapping control information to one or more of the at least one resource element set based on the configuration information; sending the configuration information to a terminal device; and sending the control information to the terminal device.

Abstract: This application provides a packet forwarding method and a related apparatus. The method includes: determining whether a flow to which a packet belongs meets a large flow condition; and if the flow to which the packet belongs meets the large flow condition and a flowlet routing table does not include a flowlet entry corresponding to the flow, creating the corresponding flowlet entry in the flowlet routing table, and forwarding the packet based on the created flowlet entry. In the foregoing technical solution, a corresponding flowlet entry may be created only for a large flow, to perform flowlet-based load balancing on the large flow. This can reduce an entry resource used for flowlet-based load balancing, improve balance of multi-path load sharing, and effectively improve a traffic sharing effect of load balancing.

Abstract: A screenshot method includes displaying, by a terminal, a first interface including N areas, receiving, by the terminal, a first operation of a user, displaying, by the terminal, a second interface in response to the first operation, where the second interface includes N controls that are in a one-to-one correspondence with the N areas, and each of the N controls is used to select or deselect content of a corresponding area, receiving, by the terminal, a second operation on the N controls, determining, by the terminal, a selected area in the N areas in response to the second operation, receiving, by the terminal, a third operation, and generating, by the terminal, a first picture in response to the third operation, where the first picture includes content of the selected area in the N areas.

Abstract: An adaptive action recognizer for video that performs multiscale spatiotemporal decomposition of video to generate lower complexity video. The adaptive action recognizer has a number of processing pathways, one for each level of video complexity with each processing pathway having a different computational cost. The adaptive action recognizer applies a decision making scheme that encourages using low average computational costs while retaining high accuracy.

Abstract: Embodiments of this application disclose provides a low density parity check (LDPC) channel encoding method for use in a wireless communications system. A communication device encodes an input bit sequence by using a LDPC matrix, to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. Embodiments of the application provide eight particular designs of the base matrix. The encoding method provided in the embodiments of the application can be used in various communications systems including the fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths.