Abstract: A method of operating a semiconductor memory device can include receiving data, from a memory controller, at an Error Correction Code (ECC) engine included in the semiconductor memory device, the data including at least one predetermined error. Predetermined parity can be received at the ECC engine, where the predetermined parity is configured to correspond to the data without the at least one predetermined error. A determination can be made whether a number of errors in the data is correctable by the ECC engine using the data including the at least one predetermined error and the predetermined parity.

Abstract: One aspect is directed to providing a polymeric composition containing a polyketone, which is an eco-friendly material, a method for preparing the same, an electronic apparatus, and a method for preparing the same. The polymeric composition according to one aspect includes 3 to 20 parts by weight of a polyketone resin prepared with carbon monoxide as a raw material and 80 to 97 parts by weight of a thermoplastic resin including an acrylonitrile-butadiene-styrene (ABS) copolymer resin with respect to the total weight of the polymeric composition.

Abstract: A resource management method and apparatus allows or restricts use of some or all of the resources of entities of a wireless communication system. A radio resource management method of a radio access point includes receiving a measurement report from a terminal, selecting another radio access point for serving the terminal in cooperation with the serving radio access point based on the measurement report and a Handover Restriction List (HRL), and transmitting a request for serving the terminal to the selected another radio access point.

Abstract: Disclosed is a vacuum cleaner having a structure for preventing foreign matter from entering between a drum brush and a bearing. A vacuum cleaner includes a suction portion formed with a suction port through which air and foreign matter are sucked. The suction portion includes a housing and a drum brush rotatably provided in the housing. The drum brush includes a rotating drum rotating by receiving a driving force and a brush mounted on the rotating drum. The housing is provided with an annular blocking rib, and the brush located at one end of the drum brush is configured to be accommodated in the blocking rib.

Abstract: An ultrasound measurement method includes: providing a first object and a second object within an ultrasound image displayed on a touch screen; activating the first object and the second object, to be movable to perform a measurement on the ultrasound image; receiving a touch-and-drag input with respect to at least one of the first and second objects; and displacing a corresponding one of the first and second objects on the ultrasound image in correspondence with the received touch-and-drag input.

Abstract: A vertical memory device includes a channel, gate lines, and a cutting pattern, respectively, on a substrate. The channel extends in a first direction substantially perpendicular to an upper surface of the substrate. The gate lines are spaced apart from each other in the first direction. Each of the gate lines surrounds the channel and extends in a second direction substantially parallel to the upper surface of the substrate. The cutting pattern includes a first cutting portion extending in the first direction and cutting the gate lines, and a second cutting portion crossing the first cutting portion and merged with the first cutting portion.

Abstract: According to one general aspect, an apparatus may include a memory configured to store both data and metadata, such that for portions of data associated with the metadata, the data and metadata are interleaved such that a unit of metadata succeeds each power of two contiguous units of data. The apparatus may also include a memory manager circuit. The memory management circuit may be configured to receive a data access to the memory, wherein the data access includes a public memory address. The memory management circuit may be configured to determine if the public memory address is associated with metadata. The memory management circuit may be configured to, if so, convert the public memory address to a private memory address. The memory management circuit may be configured to complete the data access at the private memory address.

Abstract: Provided is a stereo matching method and apparatus. A stereo matching apparatus may generate a disparity map by transforming a disparity map of a previous frame based on determined motion information of a camera between the previous frame and the current frame, calculate a confidence for the generated disparity map, and adjust a disparity map corresponding to the current frame based on the confidence and the generated disparity map.

Abstract: The present disclosure is related to technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and Internet of Things (IoT). Provided is a method, performed by a server, of transmitting and receiving data, in which, as a transmission authority request is received from at least one terminal from among a plurality of terminals connected to the server, a number of transmitting terminals previously determined by the server is compared with a maximum number of transmitting terminals allowable by the server, in response to the transmission authority request, and a transmission authority of the at least one terminal is determined based on a result of the comparing. The present disclosure are applicable to intelligent services based on the technology (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security, and safety-related service).

Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided in order to support a higher data transmission rate following 4G communication systems such as LTE. Disclosed are a method and device for improving device searching in a D2D communication system supporting direct communication between devices. The method comprises the steps of: generating a search signal including search information; selecting a transmission resource to transmit the search signal; transmitting the search signal through the selected transmission resource; and when a request signal requesting additional information on the search from a counterpart device that has received the search signal is received, transmitting a confirmation signal including the requested additional information to the counterpart device. The present disclosure relates to a communication technique and system which combine a 5G communication system, for supporting a higher data transmission rate following 4G systems, with IoT technology.

Abstract: A method for sharing content of a device is provided. The method includes receiving, by an inputter, an input of a share command of a selected content, recommending at least one service to share the content among a plurality of services that are available in the device and a share target, and sharing, by a controller, the content with the share target selected through the selected service based on a selection input with respect to the at least one recommended service and the share target.

Abstract: A semiconductor memory device including a substrate including a first block and a second block each having a cell array region and a connection region, a stack including insulating layers and gate electrodes and extending from the cell array region to the connection region, first cell channel structures in the cell array region of the first block and passing through the stack to be electrically connected to the substrate, first dummy channel structures in the connection region of the first block and passing through the stack, second cell channel structures in the cell array region of the second block and passing through the stack, and second dummy channel structures in the connection region of the second block and passing through the stack may be provided. The first dummy channel structures are electrically insulated from the substrate, while the second dummy channel structures are electrically connected to the substrate.

Abstract: A method of designing a layout of a photomask and a method of manufacturing a photomask, the method of designing a layout of a photomask including obtaining a design layout of a mask pattern; performing an optical proximity correction on the design layout to obtain design data; obtaining data of a position error of a pattern occurring during an exposure of the photomask according to the design data; correcting position data of the pattern based on the position error data to correct the design data; and providing the corrected position data to an exposure device to expose an exposure beam according to the corrected design data.

Abstract: An apparatus and method are provided for Doppler estimation of a signal received over a time-varying transmission medium, the method including receiving the signal over a channel of the time-varying transmission medium; sampling a magnitude of the received signal repeatedly over time; identifying unidirectional threshold crossings of the sampled magnitude about a threshold magnitude relative to a mean magnitude; measuring differences between the sampled magnitude and the threshold magnitude for the identified crossings; analyzing the measured differences over time; estimating the time-varying nature of the channel based on the analyzed differences; and transmitting a signal indicative of the estimated time-varying nature.

Abstract: A sensing circuit of nonvolatile memory device includes a precharge current generator, an adjusting transistor, and an adaptive control voltage generator. The precharge current generator connected to a sensing node and generates a precharge current provided to a bit-line of the nonvolatile memory device, in response to a precharge signal. The adjusting transistor, connected between the sensing node and a first node, adjusts an amount of the precharge current provided to the bit-line in response to a first control voltage. The adaptive control voltage generator generates a control current proportional to an operating temperature, in response to the precharge signal and a second control voltage and boosts a level of the first control voltage in proportion to the operating temperature. The second control voltage is inversely proportional to the operating temperature.

Abstract: A photoelectric device includes a first electrode and a second electrode facing each other and a photoelectric conversion layer between the first electrode and the second electrode and configured to convert light in a particular wavelength spectrum of light of a visible wavelength spectrum of light into an electric signal. The photoelectric conversion layer may include a p-type semiconductor configured to selectively absorb light in a first wavelength spectrum and an n-type semiconductor having a peak absorption wavelength in a second wavelength spectrum of greater than or equal to about 750 nm, an image sensor. The photoelectric conversion layer may include a first semiconductor of an absorption spectrum of a first peak absorption wavelength, and a second semiconductor of an absorption spectrum of a second peak absorption wavelength that is longer than the first peak absorption wavelength by at least about 100 nm.

Abstract: Disclosed is an electronic device. The electronic device according to an embodiment includes an antenna element configured to receive a signal in at least one frequency band of a first frequency band and a second frequency band, a signal distributor electrically connected with the antenna element, and including a first filter corresponding to the first frequency band and a second filter corresponding to the second frequency band, a matching circuit electrically connectable with the second filter, a transceiver electrically connected with the signal distributor, a switch connecting the second filter with the matching circuit or the transceiver, and a processor electrically connected with the transceiver. Moreover, various embodiments found through the present disclosure are possible.

Abstract: A semiconductor circuit includes a reference voltage generating circuit which generates a first reference voltage; a voltage control circuit which receives the first reference voltage from the reference voltage generating circuit to output a second reference voltage; a DC-DC conversion circuit which executes DC-DC conversion on the basis of the second reference voltage which is output from the voltage control circuit, and provides an output thereof to a first node; and a voltage regulator which executes voltage regulating on the basis of the first reference voltage which is output from the reference voltage generating circuit, and a voltage of the first node, and provides an output thereof to a second node.

Abstract: Provided is a method of acquiring depth information of an object including acquiring first depth information of the object located at a first point in a common sensing region common to respective sensing regions of a plurality of sensors and first shape information of at least one view point, acquiring second shape information of the object at a second point when the object is located at the second point in a region excluding the common sensing region on the respective sensing regions of the plurality of sensors, and acquiring second depth information of the object at the second point based on a result of comparison between the first shape information of the at least one view point and the second shape information and the first depth information.