Abstract: This application relates to a data storage method, a reading method, an apparatus, a storage medium, and a program product. The data storage method is applied to a processor and includes: (S1) obtaining event data; (S2) processing the event data, to obtain a plurality of data blocks and a plurality of corresponding metadata blocks, where each data block includes a part of processed event data, and each metadata block includes a start time, an end time, a quantity, and a compression manner of event data in a data block corresponding to the metadata block, and a storage address of the data block; and (S3) storing the plurality of data blocks into a first storage area, and storing the plurality of metadata blocks into a second storage area.

Abstract: An electronic device for encoding a picture is described. The electronic device includes a processor and instructions stored in memory that are in electronic communication with the processor. The instructions are executable to encode a gradual temporal layer access (GTLA) picture. The instructions are further executable to send the GTLA picture.

Abstract: This application relates to the field of electronic device technologies, and provides a camera module and an electronic device, to reduce a volume of the camera module while improving image stabilization performance of the camera module. The camera module includes an optical lens, a module circuit board, a photosensitive chip, and an actuator. The module circuit board is disposed on a light exit side of the optical lens and includes a fastening part, a moving part, and an elastic part. The moving part is elastically connected to the fastening part through the elastic part. The photosensitive chip is disposed on a side that is of the moving part and that faces the optical lens. The actuator includes a fastened clamping jaw, a movable clamping jaw, and a wire. The actuator drive the moving part to move relative to the fastening part when the length of the wire changes.

Abstract: This application provides a communication method and apparatus. The method includes: A terminal device receives a wake-up signal from a network device, where the wake-up signal includes a first identifier; and when the first identifier is an identifier of the terminal device, the terminal device receives paging-related information based on a length of the first identifier or initiates random access based on a length of the first identifier. In the technical solutions provided in this application, the terminal device may receive the paging-related information or initiate random access based on the length of the identifier of the terminal device in the wake-up signal, to reduce power consumption.

Abstract: A communication method and a communication apparatus are provided. The communication method includes: A first communication apparatus and a second communication apparatus determine a first identifier based on a second identifier, where a length of the first identifier is less than a length of the second identifier, and the second identifier is an identifier of the first communication apparatus. The second communication apparatus sends a first message; and correspondingly, the first communication apparatus receives the first message, where the first message includes the first identifier. The first communication apparatus wakes up. According to embodiments of this application, a quantity of bits occupied by the identifier of the first communication apparatus in the first message can be reduced, so that a capacity of the first message is increased, and the first message can be used to wake up more communication apparatuses.

Abstract: A communication method and apparatus are provided. The method includes: obtaining topology information of a satellite network, where the topology information includes information about a channel between satellites in the satellite network; and determining a first user plane network element based on the topology information, identification information of a satellite on which at least one user plane network element is located, and identification information of a satellite on which an access network device is located, where the first user plane network element is one of the at least one user plane network element. According to the foregoing method, an appropriate user plane network element can be selected in a multi-hop scenario of an inter-satellite link.

Abstract: A data transmission method and apparatus are provided. A terminal can estimate and report an estimated data volume in a specific period of time, so that a radio access network device can schedule uplink data of the terminal in a more timely manner.

Abstract: Disclosed is an information exchange method. In the information exchange method, an electronic device is configured to display a first interface in a first display region of a display. After obtaining recommendation information, the electronic device may reduce the first display region, and display the recommendation information in a second display region. Subsequently, when detecting a first gesture operation of a user, the electronic device may open, in response to the first gesture operation, an interface corresponding to the recommendation information. According to the information exchange method, the user can conveniently view the recommendation information and directly open, based on the first gesture operation, the interface corresponding to the recommendation information.

Abstract: A ranging method and an apparatus are provided. The ranging method is applied to a first communication apparatus, and the first communication apparatus includes a first ultra-wideband system and a first narrowband system. The ranging method includes: The first ultra-wideband system receives ranging configuration information from the first narrowband system, where the ranging configuration information is determined by the first narrowband system and a second narrowband system of a second communication apparatus through negotiation (S310); and the first ultra-wideband system generates a first ranging frame based on the ranging configuration information, where the first ranging frame is used to measure a distance between the first communication apparatus and the second communication apparatus (S320). This can implement a process of ranging between the first communication apparatus and the second communication apparatus in a more secure manner.

Abstract: This application discloses an antenna system, including a plurality of antenna groups. Each antenna group includes two antenna array planes and one mounting panel. The two antenna array planes are symmetrically mounted on two planes of the mounting panel. Each antenna array plane includes at least one antenna element. The two antenna array planes in each antenna group work simultaneously. The antenna system includes a plurality of radiation areas, and each radiation area is formed by cooperative radiation of beams from a plurality of antenna array planes in different antenna groups. In this application, more antenna array planes can be deployed in the antenna system. Therefore, overall coverage of the antenna system is improved without additional wind resistance. In addition, each radiation area is formed by cooperative radiation of a plurality of antenna array planes. Therefore, a capacity and a gain of the antenna system are also improved.

Abstract: A switch controller, where the switch controller includes a processor that is configured to: receive a multicast packet from a sender, where the multicast packet includes a header and a payload, determine that an attempt to forward the multicast packet through one or more ports fails for at least one of the one or more ports, determine that a header-forwarding bit in the header is set, and send the header of the multicast packet to the sender.

Abstract: A method, apparatus and system providing an open system architecture, referred to as X-centric architecture, that offers, supports or enables anything-as-a-service (XaaS) and can be centric to a variety of roles to support various operation scenarios. A cloud-based implementation of the X-centric network architecture is provided.

Abstract: A discontinuous reception (DRX) method performed by a terminal, for example, is provided. The method includes starting a DRX on duration timer and monitoring a physical downlink control channel (PDCCH) in a DRX cycle. When the PDCCH indicates that a new data transmission is detected in the DRX cycle, a DRX-inactivity timer is started and the PDCCH is continuing to be monitored. The DRX on duration timer is stopped when at least the DRX-inactivity timer expires while the DRX on duration timer has not yet expired.

Abstract: A hinge mechanism includes a base, a first rotating component, a second rotating component, and a synchronization component. The first rotating component includes a first swing arm. The second rotating component includes a second swing arm. The synchronization component includes a first driving arm, a second driving arm, a first sliding block, and a second sliding block. One end of the first driving arm is rotatably connected to the first swing arm, another end of the first driving arm is rotatably connected to the first sliding block, and the first sliding block is slidably disposed on the base in a first direction. One end of the second driving arm is rotatably connected to the second swing arm, another end of the second driving arm is rotatably connected to the second sliding block, and the second sliding block is slidably disposed on the base in the first direction.

Abstract: A communication device may be used in a communication system. The communication device includes a set of antenna elements arranged in an antenna aperture. The communication device determines a transformation matrix T based on a coupling matrix C, which includes coupling coefficients between each antenna element in the set of antenna elements. By multiplying the transformation matrix T with a first beamforming matrix f1 a second beamforming matrix f2 is obtained. Based on the second beamforming matrix f2 the communication device transmits a communication signal x via the set of antenna elements in a wireless channel.

Abstract: This application provides a communication method, a communication apparatus, and a communication system. The method includes: obtaining topology information of a satellite network, where the topology information includes channel information between satellites in the satellite network; and determining a user plane network element based on the topology information and identification information of a satellite on which an access network device is located. According to the solution, the user plane network element is determined with reference to the topology information and the identification information of the satellite on which the access network device is located, so that an appropriate user plane network element can be determined. This helps implement efficient data transmission and ensure service quality.

Abstract: The present disclosure relates to an apparatus for increasing randomness among different communication lanes of a multilane wired data communication link. The apparatus comprises a multilane data transmitter configured to simultaneously transmit data over a first communication lane and a second communication lane of the multilane wired data communication link. The apparatus comprises a set of data scramblers configured to scramble the data before transmission by the multilane data transmitter. A first data scrambler is configured to scramble data starting with a first seed signal specifying an initial state of the first data scrambler. A second data scrambler is configured to scramble data starting with a second seed signal specifying an initial state of the second data scrambler. The first seed signal and the second seed signal differ from each other by a predetermined signal distance measure that increases the randomness among the data from the set of data scramblers.

Abstract: Devices and methods for tracking device configuration changes in a network are provided. The network comprises a client adapted to generate, in response to configuration data, a device configuration change. Then, the client pushes the device configuration change, along with a unique ID and a client ID to a server. The unique ID may be a transaction ID. The client stores the unique ID as a southbound ID in combination with metadata of the configuration data in its configuration history. Correspondingly, the server stores the unique ID received from the client as a northbound ID in combination with the client ID and metadata of the received device configuration change in its configuration history. In this way, the device configuration change pushed to the server can be traced based on the unique ID and the client ID.

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: 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).