Abstract: Methods, apparatus, and systems for a physical layer protocol data unit (PPDU) transmission are provided. In one aspect, a method includes: generating a physical layer protocol data unit (PPDU) including a signal extension (SE) field arranged after a last orthogonal frequency division multiplexing (OFDM) symbol of a plurality of OFDM symbols, the PPDU including indication information in a high efficiency signaling field (HE-SIG), the indication information being generated based on a symbol length of the SE field and configured to indicate whether a receive end needs to adjust a calculated quantity of the plurality of OFDM symbols, and sending the PPDU to the receive end.

Abstract: A display mura correction method includes: obtaining initial image data of an initial image displayed on a display of a terminal, where the initial image data includes image data of a mura region corresponding to the initial image, when at least one pixel whose brightness value is not in a reference threshold set exists in the initial image data, the mura region is a region that is covered by the at least one pixel on the display, and a target feature data set of the mura region includes a set of target feature data of the at least one pixel; obtaining, according to a correspondence between feature data and a correction value and the target feature data of the at least one pixel, a target correction value set corresponding to the target feature data set; and writing the target correction value set into the terminal.

Abstract: This application provides an access control apparatus and method, and an access apparatus and method. The access control apparatus includes: a receiving unit, configured to receive a first preamble sequence; a determining unit, configured to determine an acquired-terminal group; and a sending unit, configured to send a first acquisition indicator; where the receiving unit is further configured to receive a second preamble sequence, the determining unit is further configured to determine an acquired terminal, and the sending unit is further configured to send a second acquisition indicator, where the second acquisition indicator is used to indicate access of the acquired terminal. In the present invention, a process of contending for an access resource by a terminal transforms from one-phase contention to two-phase contention, so that a quantity of preamble sequences received by the base station each time can be greatly reduced, thereby effectively reducing load of the base station.

Abstract: Embodiments of the present disclosure provide a resource configuration method and a resource configuration network device. The method includes: obtaining subframe information of each of multiple cells, where the subframe information of each of the multiple cells includes subframe configuration information and flexible subframe resource requirement information of each cell; and determining a flexible subframe resource configuration of each cell according to the subframe information of each of the multiple cells, where the flexible subframe resource configuration of each cell includes that each cell uses one or more of N flexible subframes to perform data transmission.

Abstract: A flash analog to digital converter (ADC) includes a first, second, and third double data rate comparator core configured to determine a relative voltage of a first differential input signal during each of a rising edge and a falling edge in a single clock cycle of a comparator clock input to the comparator core. An inverted comparator clock coupled to the third comparator core reduces kickback noise. The ADC includes a first and a second floating voltage reference configured to shift a voltage of a differential comparator input by a fixed amount, and produce the first and second differential input signal. The third comparator core is cross coupled between the first and second comparator core.

Abstract: A setting information configuration method, a terminal, and a server, belong to the field of information processing technologies, where the method includes obtaining an analysis result, displaying improper setting information of a user and a setting suggestion, receiving a setting instruction entered by the user according to the displayed improper setting information and setting suggestion, and configuring local setting information according to the setting instruction. Because the local setting information can be analyzed and the improper setting information and the setting suggestion that are obtained by analysis can be displayed, the user can purposefully configure the local setting information. Therefore, setting information configuration flexibility is relatively high.

Abstract: Embodiments of the present application provide an antenna adjustment apparatus. The antenna adjustment apparatus includes a first drive wheel, a first gear, a second drive wheel, a second gear, and multiple output gears. The first drive wheel is meshed with the first gear, the second drive wheel is meshed with the second gear, an axis of the second gear coincides with an axis of the first drive wheel, and the output gears are connected to the phase shifters. When the second drive wheel propels the second gear to rotate, the first gear revolves around the axis of the second gear, is selectively meshed with one of the output gears, and is driven by the first drive wheel to propel the output gear to rotate and drive the phase shifter connected to the output gear.

Abstract: An audio coding method and apparatus, where the method includes, for each audio frame in audio, when a signal characteristic of the audio frame and a signal characteristic of a previous audio frame meet a preset modification condition, determining a first modification weight according to linear spectral frequency (LSF) differences of the audio frame and the LSF differences of the previous audio frame, modifying a linear predictive parameter of the audio frame according to the determined first modification weight, and coding the audio frame according to a modified linear predictive parameter of the audio frame. According to the present disclosure, audio having a wider bandwidth can be coded while a bit rate remains unchanged or a bit rate slightly changes and a spectrum between audio frames is steadier.

Abstract: The embodiments of the present invention presents a transmitter for a wireless communication system, configured to stop a transmission of a first downlink burst such that it ends before a predetermined gap interval before a downlink subframe in a Discovery signal Measurement Timing Configuration (DMTC) window of the wireless communication system.

Abstract: A method for discovering an application topology relationship provided by this application, in a packet transmission process, API calling information is recorded, and a topology discovery server determines, by analyzing collected API calling information, whether interaction exists between virtual machines in a virtual machine cluster. By using the foregoing analysis manner, the topology discovery server may further determine interaction frequency that is between virtual machines and to which the collected API calling information relates, and determine an application topology relationship between the virtual machines according to the interaction frequency of the virtual machines.

Abstract: Embodiments of the present invention disclose a random access method and an apparatus. According to the random access method disclosed in the embodiments, first downlink assignment information is obtained in a manner of a mapping relationship between first downlink assignment information and a preamble, where the first downlink assignment information is downlink assignment information used by a random access response message, and scheduling signaling of the random access response message does not need to be retransmitted by using the PDCCH channel, thereby resolving problems of a channel resource waste and an access delay in an existing random access method. The problems are caused because the PDCCH channel is used to retransmit the scheduling signaling of the random access response message.

Abstract: The present invention relates to the field of communications technologies and discloses a phase shifter and a feed network. The phase shifter includes at least one phase shift component. The phase shift component includes a substrate, a microstrip coupling structure disposed on a first plane of the substrate, a microstrip transmission line connected to and coplanar with the microstrip coupling structure, and a microstrip/coplanar-waveguide coupling structure, where the microstrip/coplanar-waveguide coupling structure includes a microstrip connected to and coplanar with the microstrip transmission line, and a coplanar waveguide disposed opposite to the microstrip on the substrate and coupled with the microstrip. A phase shifter using a microstrip/coplanar-waveguide coupling structure has a small volume and costs low, thereby facilitating feed network design.

Abstract: Embodiments of the present invention provide an audio content segmentation method and an apparatus. The method includes: obtaining at least one piece of first segmentation location information of audio content; sending a segmentation location message to a server, wherein the segmentation location message carries the at least one piece of first segmentation location information of the audio content and an audio identifier of the audio content; receiving a segmentation location recommendation message sent by the server, wherein the segmentation location recommendation message carries the audio identifier of the audio content and the at least one piece of third segmentation location information; and segmenting the audio content according to the at least one piece of third segmentation location information.

Abstract: A resource download method, an electronic device, and an apparatus, where the resource download method includes initiating a first request to a server, receiving a packet generated by the server based on the first request and returned by the server, where the packet includes an entity data part corresponding to the first request, writing a download resource into a first storage area of the electronic device when the entity data part of the packet is the download resource, reading the download resource from the first storage area, and storing the download resource into a second storage area of the electronic device.

Abstract: Methods and systems for blind detection. At the encoder, a code word is encoded using a polar coder, where the input vector includes a user equipment (UE)-specific frozen sequence in the frozen bit positions. At the decoder, a set of short listed channel candidates is generated based on decoding using the UE-specific frozen sequence.

Abstract: A data transmission method in software-defined networking (SDN) environment using transmission control protocol (TCP). An application server sends a transmission resource allocation request to a controller. The request carries an address of a sending device and an address of a receiving device. The controller determines a first transmission path and a second transmission path between the sending device and the receiving device according to the request. The first transmission path is used by the sending device to transmit data to the receiving device, and the second transmission path is used by the receiving device to transmit an acknowledgment to the sending device. The controller sends a transmission resource allocation response to the application server. The application server determines, according to the response, an initial value of a transmit window for transmitting data. The sending device transmits the data to the receiving device according to the transmit window.

Abstract: An exposure method in panoramic photo shooting to resolve a problem that luminance of a composite picture in panoramic photo shooting is not smooth, where the method includes obtaining, by a terminal device, luminance values respectively corresponding to M pictures shot in advance and a luminance value of a current environment in which shooting is to be performed, where M is a positive integer, obtaining, by the terminal device by means of calculation according to the luminance values respectively corresponding to the M pictures shot in advance and the luminance value of the current environment in which shooting is to be performed, a luminance value of a picture to be shot, and performing, by the terminal device, exposure according to the luminance value of the picture to be shot.

Abstract: A method of controlling a computing device including a physical battery and at least one group of applications executable on hardware resources of the computing device, each group including one or more applications. The method comprises controlling each group of applications based on a state of a respective virtual battery associated each group of applications, each virtual battery having a respective virtual capacity corresponding to a defined portion of a capacity of the physical battery and a respective virtual battery reserve representing an amount of energy that is available for use by the group of applications associated with the virtual battery.

Abstract: A data packet forwarding method, a network adapter and a host device. The method is applied to a network adapter, the network adapter is connected to a host device, the host device includes a first VM, the first VM includes N vNICs, and the network adapter includes a first VF allocated to the first VM, where N is an integer greater than 1. The method includes: receiving mapping relationship information sent by the host device, where the mapping relationship information is used to indicate a one-to-one mapping relationship between N queue pairs among queues configured for the first VF and the N vNICs, and each of the N queue pairs is used to forward a data packet of a vNIC corresponding to each queue pair; recording the mapping relationship information in a forwarding information table; and forwarding data packets of the N vNICs according to the mapping relationship information.

Abstract: To optimize transmission periods corresponding to kinds of feedback information, and minimize a reduction in system throughput caused by disagreement of the transmission period with the optimal period, by setting transmission frequencies individually with flexibility corresponding to the kinds of feedback information for a mobile station apparatus to transmit to a base station apparatus, in a wireless communication system in which a mobile station apparatus B measures reception quality of a signal received from a base station apparatus A, and transmits feedback information generated based on the reception quality to the base station apparatus A, the base station apparatus A allocates resources of transmission timing corresponding to the kinds of feedback information, and the mobile station apparatus B transmits a plurality of kinds of feedback information to the base station apparatus using the allocated resources.