Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. In one example, an embodiment technique includes allocating, from a set of sub-channels, one or more sub-channels for one or more parity bits based on row weights for sub-channels in a subset of sub-channels within the set of sub-channels, mapping information bits to remaining sub-channels in the set of sub-channels based on a reliability of the remaining sub-channels without mapping any of the information bits to the one or more sub-channels allocated for the one or more parity bits, polar encoding the information bits and the one or more parity bits based on at least the mapping of the information bits to the remaining sub-channels to obtain encoded bits, and transmitting the encoded bits to another device.

Abstract: The present invention relates to the communications field and discloses an information transmission method, a device, and a system, so as to resolve a prior-art problem that resources are wasted when an incomplete subframe is used to send information after the information is encoded. In a specific solution, a first device generates T code blocks, generates N OFDM symbols according to the T code blocks, and transmits, in a first subframe, M of the N OFDM symbols to a second device according to a second sequence. The present invention is applied to information transmission.

Abstract: The present invention discloses an information transmission method, a device, and a system, which relates to the communications field, so as to resolve a prior-art problem that a receive end cannot determine a quantity of OFDMs included in an incomplete subframe, and cannot correctly receive the incomplete subframe. A specific solution is as follows: A network device determines one or more PHICH resources of a first subframe, where the one or more physical hybrid automatic repeat request indicator channel PHICH resources indicate a quantity of orthogonal frequency division multiplexing OFDM symbols included in a second subframe on an unlicensed carrier; and the network device sends the first subframe and the second subframe to user equipment. The present invention is used for information transmission.

Abstract: Embodiments of the present disclosure disclose a method for collecting facial information and related products. The method includes: displaying a guiding interface on a displaying interface of a mobile terminal and activating a facial information collection apparatus in response to detecting an instruction for starting facial information enrolling, in which the guiding interface is configured to display a piece of prompt information for the facial information enrolling; and collecting, by the facial information collection apparatus, the facial information, in which the facial information is configured to determine a facial information template, and the facial information template is configured to be compared with target facial information collected by the facial information collection apparatus to unlock the mobile terminal.

Abstract: Embodiments of the present disclosure provide unlocking methods and related produces. The method includes the following. When detecting a trigger event of lighting a screen of a mobile terminal, an event identifier of the trigger event is obtained. When detecting that the event identifier matches a pre-stored event identifier, a face information collecting device of the mobile terminal is turned on and the screen of the mobile terminal is lighted. When detecting that a face image collected by the face information collecting device matches a pre-stored face template, an unlocking operation is performed.

Abstract: Embodiments of the present disclosure provide unlocking control methods and related produces. The method includes the following. A face image is collected. A first operation and a second operation are performed in parallel. The first operation is configured to detect whether the face image is a real face image. The second operation is configured to extract feature data of the face image. The feature data of the face image is matched with feature data of a preset face template when the feature data of the face image is extracted and the face image is detected to be the real face image. An unlocking operation is performed when the feature data of the face image is matched with the feature data of the preset face template.

Abstract: Embodiments of the present disclosure provide unlocking control methods and related produces. The method includes the following. When detecting an unlocking instruction for a mobile terminal in a screen-off and screen-locked state, a first operation and a second operation are performed in parallel. The first operation is a face recognition operation. The second operation is configured to ensure that a power management service (PMS) is in an awake state. When detecting that a result of the face recognition operation is success, a screen locked interface is removed, and the PMS is notified to light a touch display screen.

Abstract: A method of message adaptation in the Internet of Things (IoT) includes receiving a message containing data collected by the plurality of sensors, identifying a message type, looking up a message descriptor according to the message type, looking up a message template matching the message type and outputting the message with the matched message template for content-based processing. In one embodiment, the method includes identifying the message is a text message, parsing the message according to message type and message descriptor, and creating a sequence of key-value pairs for the text message. In one embodiment the method includes determining that there is no matched or valid matched message template and parsing the message according to the message descriptor to generate and store a message template including the message type, a message item list and a message item position list and attaching the message template to the message.

Abstract: An apparatus and a method for plating and/or polishing wafer includes a wafer chuck, an auxiliary nozzle apparatus and a main nozzle apparatus. The wafer chuck holds and positions the wafer, moves horizontally, and rotates. The auxiliary nozzle apparatus supplies uncharged or charged electrolyte to cover the outer edge of the wafer and the wafer chuck, and the main nozzle apparatus supplies charged electrolyte to the surface of the wafer, to improve the plating and/or polishing uniformity of the outer edge of the wafer, reduce the entire electric resistance of the apparatus, and improve the plating and/or polishing rate.

Abstract: A method includes determining a quality of service (QoS) of a direct link between an edge device and a communications controller and determining a hub search parameter in accordance with the QoS of the direct link between the edge device and the communications controller. The method also includes searching for hub devices in accordance with the hub search parameter.

Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. In one example, an embodiment technique includes polar encoding, with an encoder of the device, information bits and at least one parity bit using the polar code to obtain encoded data, and transmitting the encoded data to another device. The polar code comprises a plurality of sub-channels. The at least one parity bit being placed in at least one of the plurality of sub-channels. The at least one sub-channel is selected from the plurality of sub-channels based on a weight parameter.

Abstract: The present invention relates to method, system and electronic communications device for providing group scan for mobile devices located in overlapping active geofences.

Abstract: A method for processing an interconnection structure for minimizing barrier sidewall recess, comprises the following steps: step 1, remove a metal layer (408) to generate a uniform dishing value inside the recessed area (409), the uniform dishing value is generated to make sure that the top surface of the metal layer (408) in the recessed area (409) is aligned with the bottom surface of the hard mask layer (405), step 2, introduce noble-gas-halogen compound gas to remove a first barrier layer (406) on top surface and at least a portion of a second barrier layer (407) on sidewall by a gas phase chemical reaction process, the top surface of the second barrier layer (407) on sidewall is aligned with the bottom surface of the hard mask layer (405), step 3, introduce oxidizing gas to generate a barrier surface oxide (411) on the top surface of the second barrier layer (407) on sidewall, a metal surface oxide (412) is generated at the same time, step 4, introduce noble-gas-halogen compound gas to remove hard mask l

Abstract: A surface machining device for a light guide plate is disclosed, including: a support 11; a driving component 12 mounted on the support 11; a push unit 13 driven by the driving component 12, configured to push the light guide plate 10 to a pre-set position; a positioning component 14 driven by the driving component 12, configured to position the light guide plate 10 at the pre-set position; a bearing component 15 mounted on the support 11, configured to bear the light guide plate 10; and a pressing component 16 driven by the driving component 12, configured to press the light guide plate 10 onto the bearing component 15. With such device, an ultrathin light guide plate 10 can be machined to form a microstructure on the surface of the light guide plate 10, with high productivity, and low cost.

Abstract: Compositions including a biochar, and related methods are described herein. The composition can be produced by contacting a biomass with a pretreatment agent including an alkali metal or an alkaline earth metal to form a pretreated biomass, and pyrolyzing the pretreated biomass under conditions sufficient to form a biochar. A related method includes contacting soil with the composition thereby increasing a soluble plant available silicon content in the soil.

Abstract: A method for determining or updating a registration between a 3D image of a region of interest and a set of at least two 2D images of the same region of interest includes selecting at least one respective contour point in the 3D image for each 2D image. A 2D position of a respective depiction of each contour point is determined in the respective 2D image. At least one condition for the registration parameters that needs to be fulfilled is determined, for each contour point, to map the respective contour point to the respective 2D position in the respective 2D image. An updated set of registration parameters is determined by solving a set of equations or an optimization problem that depends on the conditions.

Abstract: A method for manufacturing netted dots on a light guide plate is disclosed, including: engraving, on a surface of a metal plate with a preset roughness, a female mould or a male mould corresponding to a shape of the netted dots on the light guide plate; coating the metal plate onto a surface of a roller; heating the roller so that a temperature of the metal plate rises to a preset temperature; adjusting a distance of a center of the roller in relation to a light guide plate feeding passage so that the metal plate applies a preset pressure onto the light guide plate to be machined; and making the light guide plate to be machined pass through the light guide plate feeding passage, wherein the metal plate transfer-prints a shape of netted dots of the female mould or the male mould onto the light guide plate to be machined at a preset pressure and a preset temperature to form the netted dots on the light guide plate. A device for manufacturing netted dots on a light guide plate is also disclosed.

Abstract: Embodiments of the present invention provide a method for transmitting a data frame and a device. The method includes: determining, by a first device, a transmission pattern of the first device, where the transmission pattern includes a quantity and positions of occupied data frames and a quantity and positions of idle data frames in one transmission period; and occupying, by the first device, an unlicensed carrier according to the transmission pattern of the first device, to transmit a data frame of the first device. According to the embodiments of the present invention, fairness of occupying an unlicensed carrier by multiple devices can be ensured.

Abstract: A method of performing a random access procedure includes randomly selecting a backoff time from within a backoff window ranging from 0 to a specified multiple of a random access preamble unit, waiting until a time initialized with the backoff time expires, and retransmitting a random access preamble.

Abstract: The present disclosure relates to aircraft technologies, and in particular, to a flight direction display method and apparatus, and an unmanned aerial vehicle. The method includes the following steps: obtaining a flight direction indication of an aircraft sent by a camera system, where the flight direction indication is determined by the camera system according to a relative angle between a camera apparatus and the aircraft; and displaying the flight direction indication of the aircraft on a shooting preview screen. In the present disclosure, the flight direction indication of the aircraft sent by the camera system is obtained, where the flight direction indication is determined by the camera system according to the relative angle between the camera apparatus and the aircraft, and the flight direction indication of the aircraft is displayed in the shooting preview screen.