Abstract: An apparatus for wireless communication is provided. The apparatus may be a network node. The apparatus receives a set of uplink transmissions from a set of user equipments (UEs) via a first resource of a non-orthogonal channel, wherein the apparatus is unable to decode the set of uplink transmissions. The apparatus transmits a retransmission request to a subset of the set of UEs. The apparatus receives a retransmission of a first uplink transmission in the set of uplink transmissions via a second resource of the non-orthogonal channel in response to the retransmission request. The apparatus decodes a second uplink transmission in the set of uplink transmissions based on at least the retransmission of the first uplink transmission.

Abstract: Embodiments of a User Equipment (UE), Next Generation Node-B (gNB) and methods of communication are generally described herein. The UE may receive, from a gNB, configuration information related to a 2-step random access (RA) procedure between the UE and the gNB in unlicensed spectrum. The 2-step RA procedure may include: an uplink MsgA message that includes, within a random access occasion (RO), a MsgA preamble and a MsgA payload; and a downlink MsgB message that includes, within another RO, a MsgB PDCCH and a MsgB payload. The configuration information may indicate: resources allocated for the MsgA preamble; and a mapping between the resources allocated for the MsgA preamble and the MsgA payload. The UE may determine the resources allocated for the MsgA pay load based on the resources allocated for the MsgA preamble and the mapping.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present invention suggests a method for transmitting and receiving signals satisfying a maximum delay time, and a method and a device for effectively processing signals that are influenced by the transmission and reception of the signals satisfying the maximum delay time.

Abstract: A system for utilizing media content reference point information to perform media content encoding, and supplemental content stitching and/or insertion. Media content can be encoded and packaged based on boundaries of the media content. The boundaries can be received from a third-party and/or generated via an automated process. Target boundaries can be selected based on accuracy levels associated with the received and/or generated boundaries. Supplemental content can be stitched and/or inserted into packaged media content based on audio and video content of the packaged media content being aligned.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support reduced bandwidth devices and particularly, allocation of control resource sets for reduced bandwidths. In a first aspect, a method of wireless communication includes receiving, from a base station at a user equipment (UE) having a first type, a master information block (MIB) within a physical broadcast channel (PBCH). The MIB includes CORESET size information and search space information for devices having a second type. The method also includes selecting a CORESET size from a plurality of preconfigured CORESET sizes based on a subcarrier spacing used to communicate with the base station. The method further includes monitoring a set of time and frequency resources to receive a message from the base station. The set of time and frequency resources has the selected CORESET size. Other aspects and features are also claimed and described.

Abstract: A refrigerator includes a storage chamber, a cold air supply which supplies cold air to the storage chamber, a first tray which forms a part of an ice making cell that is a space where water is phase-changed into ice by the cold air, a second tray which forms another part of the ice making cell and which may come into contact with the first tray during an ice making process and may be separated from the first tray during an ice transfer process, a heater adjacent to at least one of the first tray or the second tray, a sensor which determines the position of the second tray in a movement process of the second tray, and a control unit which controls the heater.

Abstract: The present technology is directed to determining an accuracy of an infrared (IR) camera, and more particularly, validating a distortion accuracy of an IR camera. The present technology can receive one or more images of a calibration harp captured by the IR camera, wherein the one or more images include a plurality of lines corresponding to a plurality of strings of the calibration harp. The present technology can further determine a degree of distortion of the plurality of lines based on a distortion error coefficient, wherein the distortion error coefficient is computed based on edge points of the plurality of lines on the one or more images.

Abstract: A method of locating a failure of coal-rock-concrete based on vector features of a near-field electromagnetic field is provided. The method senses and records the real electromagnetic field vector information in space by arranging a triaxial electromagnetic sensor array around a coal-rock-concrete body, and realizes the localization of the failure areas of the coal-rock-concrete body by establishing an electromagnetic radiation localization model for the failures of the coal-rock concrete body.

Abstract: A method used in forming a memory array comprising strings of memory cells comprises forming an upper stack directly above a lower stack. The lower stack comprises vertically-alternating lower-first-tiers and lower-second-tiers. The upper stack comprises vertically-alternating upper-first-tiers and upper-second-tiers. Lower channel openings extend through the lower-first-tiers and the lowers-second-tiers. The lower channel openings have sacrificial material therein. An upper of the lower-first-tiers or a lower of the upper-first-tiers comprises non-stoichiometric silicon nitride comprising (a) or (b), where (a): a nitrogen-to-silicon atomic ratio greater than 1.33 and less than 1.5; and (b): a nitrogen-to-silicon atomic ratio greater than or equal to 1.0 and less than 1.33. A higher of the upper-first-tiers that is above said lower upper-first-tier comprises silicon nitride not having either the (a) or the (b).

Abstract: Disclosed is an underbalanced drilling vibrating screen integrated with automatic drainage and vacuum chucks, and belongs to the technical field of solid-phase control of petroleum drilling. The underbalanced drilling vibrating screen comprises a base, a screening device and a negative pressure generating device, wherein the screening device and the negative pressure generating device are arranged on the base; the screening device comprises a shell, an exciting motor arranged on the shell, a plurality of screens arranged in the shell, and at least one drainage component; and the drainage component communicates with at least one screen through the vacuum chuck, the negative pressure generating device communicates with the vacuum chuck, and the drainage component is integrally formed with the vacuum chuck.

Abstract: A lighting apparatus includes a driver module, a light source, a main housing and an optical plate. The driver module converts an external power to a driving current. The light source includes multiple LED chips. The light source is coupled to to the drive module to emit a light. The main housing is used for disposing the driver module and the light source. The optical plate is detachably inserted into a sliding track of the main housing via a lateral opening of the main housing so that the optical plate is replaceable. The optical plate changes a light direction of the light emitted by the light source to a light opening. A first surface of the light opening is substantially perpendicular to a second surface of the lateral opening.

Abstract: Technology for a user equipment (UE), operable for monitoring a physical downlink control channel (PDCCH) is disclosed. The UE can monitor a downlink (DL) control channel for DL control information (DCI) at a predetermined monitoring occasion, wherein the predetermined monitoring occasion has a periodicity of P slots or P symbols with an offset Os. The UE can monitor a downlink (DL) control channel for DL control information (DCI) at a predetermined monitoring occasion, wherein Os has an offset with respect to a first slot in subframe number zero (SFN #0). The UE can monitor a downlink (DL) control channel for DL control information (DCI) at a predetermined monitoring occasion, wherein P is a positive integer greater than zero.

Abstract: A biomass burner includes a hopper, a ventilating chamber, a U-shaped fire box, a feeding cylinder including an output end, an auger, a feeding motor including a driving wheel, an ignition device, an ignition motor, a ventilation plate, a first poking device, a second poking device, a first poking motor configured to drive the first poking device, a second poking motor configured to drive the second poking device, a first fixed plate, and a second fixed plate. The hopper is disposed below the feeding cylinder. The feeding cylinder is disposed through the ventilating chamber and the output end of the feeding cylinder extends into the U-shaped fire box. The auger is disposed in the feeding cylinder and is driven by the feeding motor; one end of the auger is provided with a driven gear, and the driven gear is meshed with the driving wheel of the feeding motor.

Abstract: A user equipment (UE) receives, from a base station, multiple network power mode configurations and communicates with the base station based on one of the multiple network power mode configurations. The base station transmits, to a UE, multiple network power mode configurations and communicates with the UE based on one of the multiple network power mode configurations.

Abstract: Systems, methods, and circuitries are provided for adjusting contention window size (CWS). An example method includes selecting a downlink (DL) burst transmitted by the gNB for use in determining the CWS and adjusting the CWS based on Hybrid Automatic Repeat Request (HARQ) feedback received with respect to the selected DL burst.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) determines (e.g., based on an indication from base station) one or more physical random access channel (PRACH) preamble transmission parameters associated with one or more PRACH coverage enhancement (CE) levels of a RACH procedure. The UE and the base station perform a RACH procedure in accordance with the one or more PRACH preamble transmission parameters.

Abstract: A silicon-carbon composite material includes a matrix core, a silicon-carbon composite shell formed by uniformly dispersing nano silicon particles in conductive carbon, and a coating layer. The nano silicon particles are formed by high-temperature pyrolysis of a silicon source, and the conductive carbon is formed by high-temperature pyrolysis of an organic carbon source. The coating layer is a carbon coating layer including at least one layer, and the thickness of its single layer is 0.2-3 ?m. A silicon-carbon composite material precursor is formed by simultaneous vapor deposition and is then subjected to carbon coating to form the pitaya-like silicon-carbon composite material which has advantages of high first-cycle efficiency, low expansion and long cycle. The grain growth of the silicon material is slowed down during the heat treatment process, the pulverization of the material is effectively avoided, and the cycle performance, conductivity and rate performance of the material are enhanced.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating a demodulation reference signal (DMRS) configuration for an uplink message that may indicate for the UE to refrain from including DMRS in at least a first portion of the uplink message based on the DMRS configuration. The UE may encode the uplink message without the DMRS in at least the first portion of the uplink message in accordance with the DMRS configuration. The UE may transmit the uplink message based on encoding the uplink message, and a network entity may receive and decode the uplink message. In some examples, the network entity may receive signaling that includes a set of uplink messages from different UEs. As such, the network entity may decode each, using a respective Reed-Muller (RM) code in accordance with a multi-user decoding algorithm.

Abstract: In a method, an electrode layer and an insulation layer are alternately and repeatedly stacked on a substrate. A first insulation layer is etched through a first dry etching process using an etching gas including fluorine to form an opening exposing a first electrode layer. The first electrode layer exposed by the opening is partially removed through an RIE process using oxygen and/or hydrogen plasma to enlarge the opening so that a second insulation layer is exposed. The second insulation layer exposed by the opening is etched through a second dry etching process using an etching gas including fluorine to enlarge the opening so that a second electrode layer is exposed. A contact plug is formed in the enlarged opening.

Abstract: Disclosed is an electrode terminal, which includes a columnar portion and a first extension portion. An end surface of the columnar portion is concave inwards to form a first groove, the first extension portion extends outwards along a circumferential direction of the end surface of the columnar portion formed with the first groove, and an electric connection portion is formed at an end of the columnar portion away from the first groove. The electrode terminal in the disclosure is fitted with a current collecting assembly, a clamping process of the electrode terminal and the current collecting assembly is effectively omitted, a space utilization rate of a battery is improved, and the electrode terminal is welded to an external circuit more accurately and simply. In addition, further disclosed are a current collecting assembly and a cylindrical battery.