Abstract: An apparatus includes a processor core and a memory hierarchy. The memory hierarchy includes main memory and one or more caches between the main memory and the processor core. A plurality of hardware pre-fetchers are coupled to the memory hierarchy and a pre-fetch control circuit is coupled to the plurality of hardware pre-fetchers. The pre-fetch control circuit is configured to compare changes in one or more cache performance metrics over two or more sampling intervals and control operation of the plurality of hardware pre-fetchers in response to a change in one or more performance metrics between at least a first sampling interval and a second sampling interval.

Abstract: This application provides a measurement object indication method and apparatus. The method includes: A terminal receives measurement configuration information, where the measurement configuration information includes a first measurement object and a second measurement object; and the terminal receives a dedicated serving cell configuration, where the dedicated serving cell configuration includes first indication information and second indication information, the first indication information indicates the first measurement object, and the second indication information indicates the second measurement object. Therefore, according to the method provided in this application, a plurality of measurement objects corresponding to a frequency on which a serving cell is located may be indicated by using the dedicated serving cell configuration at the same time.

Abstract: This application provides a base station switching method and an apparatus. The method includes: A terminal sends one piece of binding signaling that carries SIM card binding information to a source base station; the terminal switches a plurality of SIM cards from being connected to the source base station to being connected to the target base station; and the terminal sends radio resource control reconfiguration complete information to the target base station, where the radio resource control reconfiguration complete information includes information about the plurality of SIM cards that complete the switching operation.

Abstract: This application discloses a chip package assembly, an electronic device, and a preparation method of a chip package assembly. The chip package assembly includes a package substrate, a chip, and a heat dissipation part. The package substrate includes an upper conductive layer, a lower conductive layer, and a conductive part connected between the upper conductive layer and the lower conductive layer. The chip includes a front electrode and a back electrode that are disposed opposite each other, the chip is embedded in the package substrate, the conductive part surrounds the chip, the front electrode is connected to the lower conductive layer, and the back electrode is connected to the upper conductive layer. The heat dissipation part is connected to a surface of the upper conductive layer that is away from the chip. The upper conductive layer, the lower conductive layer, and the conductive part each conduct heat.

Abstract: An optical communication device includes two optical transmitting devices, two optical receiving devices, an optical path component, and an optical fiber adapter. A first converging lens packaged in each of the optical transmitting devices converges a light beam emitted by a light source, and provides the converged light beam for the optical path component. A second converging lens packaged in each of the optical receiving devices converges a light beam from the optical path component, and provides the converged light beam for a photoelectric detection element. The optical path of the optical communication device is simplified and the process costs are reduced. In addition, the quantity of used lenses is reduced, correspondingly reducing the quantity of optical coupling dimensions between mechanical parts and improving production efficiency of combined passive optical network (Combo PON) products.

Abstract: A detection method and an apparatus, applied to the field of communication technologies. The method includes: a terminal-side device performs detection on a plurality of monitoring occasions before a start time of DRX on duration; if the terminal-side device detects first indication information from a network-side device, determining a first time period based on an Nth monitoring occasion in the plurality of monitoring occasions before the start time of the DRX on duration, and performing BWP switching in the first time period. The first indication information indicates the terminal-side device to perform BWP switching. N is an integer greater than 0.

Abstract: This application discloses an identity authentication method, a method and an apparatus for training an identity authentication model, and a computer-readable medium in the artificial intelligence field to improve accuracy of identity authentication.

Abstract: Embodiments of this application provide a multicast/broadcast service communication method and an apparatus, and relate to the communication field, to reduce network resource overheads. The method is as follows: A terminal device determines a first multicast/broadcast service, where the first multicast/broadcast service is a multicast/broadcast service that the terminal device is to leave. The terminal device sends a first message, where the first message carries identification information of the first multicast/broadcast service. Embodiments of this application are applied to a mobile communication system such as 5G.

Abstract: A communications system is disclosed. The communications system includes a first access point and a second access point whose operating channels overlap. The first access point and the second access point each measure a signal strength of a response frame sent by a terminal device associated with the first access point, to obtain a first signal strength and a second signal strength. The first access point determines, based on the first signal strength and the second signal strength, a power, a power upper limit, or a power adjustment value to be used by the second access point when the second access point and the first access point perform concurrent transmission. The communications system can perform a step of measuring the signal strength in the concurrent transmission between the access points, and reduce dependence on the terminal device.

Abstract: A method for inter-prediction of a current image block in a current picture of a video is provided. The method includes determining whether a first temporal distance (such as TD0) is equal to a second temporal distance (such as TD1), wherein the first temporal distance is represented in terms of a difference between a picture order count value of the current picture and a picture order count value of a first reference picture; and the second temporal distance is represented in terms of a difference between a picture order count value of a second reference picture and the picture order count value of the current picture; and performing no motion vector refinement (DMVR) procedure when it is determined that the first temporal distance (TD0) is not equal to the second temporal distance (TD1). Thus the DMVR procedure is restricted to only the image block with equal-distance references.

Abstract: An image processing method includes obtaining status information of a terminal device, obtaining photographing scene information of the terminal device, determining an image processing mode based on the status information and the photographing scene information, obtaining a to-be-displayed image, and processing the to-be-displayed image based on the image processing mode.

Abstract: The present application relates to the field of picture processing, for example still picture/image and/or video picture/image coding. In particular, the application relates to a device and corresponding method for intra-predicting a prediction block of a video image. The device is configured to select a directional intra-prediction mode from a set of directional intra-prediction modes, where each directional intra-prediction mode corresponds to a different intra-prediction angle. Further, the device is configured to select a filter from a set of filters based on the selected directional intra-prediction mode. Further, the device is configured to determine, for a given prediction sample of the prediction block, a reference sample from a set of reference samples based on the selected directional intra-prediction mode, and apply the selected filter to the determined reference sample.

Abstract: The disclosure relates to a method of decoding implemented by a decoding device, comprising: obtaining a value of a reference line index for a current block; constructing a most probable mode, MPM, list for the current block; obtaining a value of intra-prediction mode index for the current block; when the value of the reference line index is not equal to 0, obtaining an intra prediction mode of the current block according to the MPM list for the current block and the value of the intra-prediction mode index for the current block, wherein the value of the intra-prediction mode index indicates a position that corresponds to the intra prediction mode of the current block among angular intra-prediction modes in the MPM list. The disclosure also relates to a coding apparatus and a non-transitory machine-readable medium.

Abstract: A method for implementing network virtualization, and a related apparatus and a communications system are provided. The method for implementing network virtualization may include: receiving, by an SDN controller, a virtual network creation request that carries virtual network topology information; creating a virtual network in response to the virtual network creation request; establishing, by the SDN controller, a device mapping relationship; establishing, by the SDN controller, a port mapping relationship; allocating, by the SDN controller, a virtual SDN controller to the virtual network; and registering, by the SDN controller, a first virtual forwarding device and a second virtual forwarding device with the virtual SDN controller. Technical solutions of embodiments of the present invention help to improve networking flexibility, reduce service costs, and shorten a service deployment period.

Abstract: Embodiments include a method for triggering an operation in an Internet of Things (IoT) system, wherein the IoT system comprises multiple IoT terminals. The method is implemented in a service capability middleware. The method includes obtaining subject resource information of a subject resource, the subject resource information comprising detected data information of detected data of the subject resource and operation resource information about an operation resource associated with the subject resource, the service capability middleware being integrated in a gateway or a service platform, receiving the detected data of the subject resource from the multiple IoT terminals, determining that the detected data meets a condition for sending an operation request to an object resource, and sending the operation request to the object resource, the condition and the object resource being determined according to the operation resource information.

Abstract: Video playback quality detection methods, systems, and apparatuses are described. The method can include obtaining a first video data packet of a target video from a bearer network and obtaining a data byte quantity of first video data included in the first video data packet. The method may also include determining a buffer byte quantity stored in a video quality detection buffer. Furthermore, the method can include obtaining video frame data rate information corresponding to the target video and reducing the buffer byte quantity stored in the video quality detection buffer based on a video frame rate of the target video and the video frame data rate information of the target video. The method may further include determining a playback status of playing the target video on a video player, and determining video playback quality of the target video based on the playback status.

Abstract: Embodiments of this application includes: A first terminal calculates at least one of a first power headroom report (PHR) or a second power headroom report (PHR). The first PHR is a power headroom report of the first terminal on a first transmission link. The second PHR is a total power headroom report of the first terminal on the first transmission link and a second transmission link, the second transmission link is a wireless communication link between the first terminal and a network device, and frequency division multiplexing (FDM) is performed on part of transmission resources on the first transmission link and part of transmission resources on the second transmission link. The first terminal sends the at least one of the first PHR or the second PHR.

Abstract: This application provides an RRC connection resume method and apparatus. In the method, when a terminal moves to a target base station, the target base station may reselect, based on a capability and a requirement of the target base station, a first encryption algorithm and a first integrity protection algorithm that are used when the target base station communicates with the terminal, and send the first encryption algorithm and the first integrity protection algorithm to the terminal. On one hand, a security algorithm used for communication between the terminal and the target base station is flexibly selected. On the other hand, because the base station connected to the terminal changes, communication security can be improved by using a new encryption algorithm and integrity protection algorithm.

Abstract: A method of encoding a video bitstream implemented by a video encoder is disclosed. The method includes storing, in a memory of the video encoder, a set of less than five network abstraction layer (NAL) unit types available for video data; selecting, by a processor of the video encoder, a NAL unit type from the set of less than five NAL unit types for a picture from the video data; generating, by the processor of the video encoder, a video bitstream containing a NAL unit corresponding to the NAL unit type selected and containing an identifier identifying the NAL unit type selected; and transmitting, by a transmitter of the video encoder, the video bitstream toward a video decoder. A corresponding method of decoding the video bitstream is also disclosed.

Abstract: A base station antenna, including power dividers, network calibration modules, and connectors. The base station antenna includes at least two phase shifters. At least one phase shifter is integrated with a combiner, the connectors are connected to the network calibration modules, and the network calibration modules are connected to the phase shifters. The one phase shifter integrated with the combiner is connected to the power divider, and at least one output port of the at least one other phase shifter is connected to the phase shifter integrated with the combiner. The base station antenna has an integrated design of phase shifters and combiners.