Abstract: A server is provided. The server includes a communicator and a processor configured to receive driving information of a plurality air conditioning devices through the communicator, identify an opening and closing cycle of a valve included in a pipe connected to each indoor unit of the plurality of air conditioning devices to control flow of a refrigerant, based on the driving information, group each indoor unit of the plurality of air conditioning devices into a plurality of groups based on the opening and closing cycle of the valve, based on a power consumed by the plurality of the air conditioning devices reaching a reference power amount, identify at least one group among the plurality of groups based on information about a control priority, and transmit a signal for driving control to at least one indoor unit included in the at least one group through the communicator.

Abstract: A semiconductor memory device includes a first substrate including opposite first and second surfaces, a mold structure including gate electrodes stacked on the first surface of the first substrate, a channel structure through the mold structure, a first contact via penetrating the first substrate, a second substrate including opposite third and fourth surfaces, a circuit element on the third surface of the second substrate, a first through-via through the mold structure connecting the first contact via and the circuit element, the first through-via including a first conductive pattern, and a first spacer separating the first conductive pattern from the mold structure, and a second through-via through the mold structure and spaced apart from the first through-via, the second through-via including a second conductive pattern, and a second spacer separating the second conductive pattern from the first substrate and the mold structure.

Abstract: An electronic device is provided. The electronic device includes an input/output interface and at least one processor configured to irreversibly generate a first token to use or access an object based on first biometric information input through the input/output interface and information proving ownership of the object, and output the first token through the input/output interface.

Abstract: A resistor including a device isolation layer is described that includes a first active region and a second active region, a buried insulating layer, and an N well region. The N well region surrounds the first active region, the second active region, the device isolation layer and the buried insulating layer. A first doped region and a second doped region are disposed on the first active region and the second active region. The first doped region and the second doped region are in contact with the N well region and include n type impurities.

Abstract: A semiconductor package includes a package substrate, a lower semiconductor device arranged on the package substrate and including first through electrodes, first lower connection bumps arranged between the package substrate and the lower semiconductor device and electrically connecting the package substrate to the first through electrodes, a connecting substrate arranged on the package substrate and including second through electrodes, second lower connection bumps arranged between the package substrate and the connecting substrate and electrically connecting the package substrate to the second through electrodes, and an upper semiconductor device arranged on the lower semiconductor device and electrically connected to the first through electrodes and the second through electrodes.

Abstract: A server and a controlling method of a server are provided. The server includes a communication interface, a memory configured to store priorities of each of a plurality of spaces, and a processor configured to control a plurality of air conditioners arranged in the plurality of spaces, and the processor may, based on a total power usage of the plurality of air conditioners exceeding a first threshold value, control the plurality of air conditioners to operate in a power peak control mode to reduce the total power usage, and based on the total power usage being less than a second threshold value while operating in the power peak control mode, control the plurality of air conditioners to sequentially switch to a general mode according to the priority.

Abstract: A memory system includes a storage device including a turbo write buffer and a user storage area implemented with a nonvolatile memory, and a host configured to transfer a read request to the storage device. In response to the read request, the storage device transfers read data and read data information including attributes of the read data to the host.

Abstract: The present invention related to a 5G or pre-5G communication system to be provided to support a higher data transmission rate since 4G communication systems like LTE. The present invention relates to a method and an apparatus for encoding a channel in a communication or broadcasting system supporting parity-check matrices having various sizes are provided. The method for encoding a channel includes determining a block size of the parity-check matrix; reading a sequence for generating the parity-check matrix, and transforming the sequence by applying a previously defined operation to the sequence based on the determined block size.

Abstract: Methods and apparatuses for an enhanced physical random access channel (PRACH) preamble. A method of a user equipment (UE) in a wireless communication system includes receiving a set of higher layer parameters over a downlink channel and determining, from the set of higher layer parameters, a numerology for a PRACH preamble. The numerology includes an extended cyclic prefix (CP) length. The method further includes determining, from the set of higher layer parameters, a PRACH preamble format that is based on orthogonal frequency division multiplexing (OFDM) symbols with the extended CP length.

Abstract: A transmitting apparatus and a receiving apparatus are provided. The transmitting apparatus includes: an encoder configured to generate a low density parity check (LDPC) codeword by performing LDPC encoding; an interleaver configured to interleave the LDPC codeword; and a modulator configured to modulate the interleaved LDPC codeword according to a modulation method to generate a modulation symbol. The interleaver is formed of a plurality of columns each including a plurality of rows and includes a block interleaver configured to divide each of the plurality of columns into a first part and a second part and interleave the LDPC codeword, the number of rows constituting each column divided into the first part is determined differently depending upon the modulation method, wherein the number of rows constituting each column divided into the second part is determined depending upon the number of rows constituting each column divided into the first part.

Abstract: A processor-implemented neural network operating method, the operating method comprising obtaining a neural network pre-trained in a source domain and a first style feature of the source domain, extracting a second style feature of a target domain from received input data of the target domain, using the neural network, performing domain adaptation of the input data, by performing style matching of the input data based on the first style feature of the source domain and the second style feature of the target domain, and processing the style-matched input data, using the neural network.

Abstract: The disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). The disclosure relates to a technique for controlling a base station power using an artificial intelligence based technology to improve an energy efficiency of a communication network. A method performed by a base station of a communication system according to an embodiment of the disclosure may include acquiring state information, determining an active/sleep request indicator (ASRI) based on at least a part of the state information, transmitting at least one of the state information and the ASRI to a central unit, receiving, from the central unit, power control information determined based on the at least one of the state information and the ASRI, and performing a power control based on the received power control information.

Abstract: A semiconductor device including a device isolation region is provided. The semiconductor device includes first active regions disposed on a substrate, and an isolation region between the active regions. The isolation region includes a first portion formed of a first insulating material, and a second portion formed of a second insulating material, having different characteristics from those of the first insulating material. The first portion is closer to the first active regions than the second portion. The second portion has a bottom surface having a height different from that of a bottom surface of the first portion.

Abstract: An image processing device includes a vision sensor and a processor. The vision sensor generates a plurality of events in which an intensity of light changes and generates a plurality of timestamps depending on times when the events occur. In addition, the processor may regenerate a timestamp of a pixel where an abnormal event occurs, based on temporal correlation of the events.

Abstract: A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.

Abstract: An electronic device is provided. The electronic device includes a display including a plurality of display pixels, a memory, and at least one processor, wherein the at least one processor may be configured to drive the display by variably adjusting a first display region and a second display region in which visual information is to be displayed on the display, based on an operation state or a display structure state of the electronic device, calculate a difference in usage of the display between the first display region and the second display region, variably determine a size of a boundary compensation region between the first display region and the second display region, based on the difference in usage, and compensate for an image of the boundary compensation region.

Abstract: A refrigerator includes a main body, a door rotatably coupled to the main body, and an ice making chamber provided in the door and into which the ice maker is assembled. The ice making chamber includes an ice making chamber wall and an ice making space having an open front surface, and the ice making chamber wall includes a guide rib protruding toward the ice making space. The ice maker includes an ice making tray having an ice making cell for storing water, an ejector rotatable to separate ice from the ice making cell, and a motor box coupled to one side of the ice making tray in a longitudinal direction to accommodate an ice separation motor for rotating the ejector. The ice making tray is supported on the guide rib, and the motor box and the ice making chamber wall is fastened through a fastening member.

Abstract: A method for determining an output token includes predicting a first probability of each of candidate output tokens of a first model, predicting a second probability of each of the candidate output tokens of a second model interworking with the first model, adjusting the second probability of each of the candidate output tokens based on the first probability, and determining the output token among the candidate output tokens based on the first probability and the adjusted second probability.

Abstract: A memory device includes cell transistors on active regions defined by a device isolation layer on a substrate such that each cell transistor has a buried cell gate and a junction portion adjacent to and at least partially distal to the substrate in relation to the buried cell gate, an insulation pattern on the substrate and covering the cell transistors and the device isolation layer, and a bit line structure on the insulation pattern and connected to the junction portion. The bit line structure includes a buffer pattern on the pattern and having a thermal oxide pattern, a conductive line on the buffer pattern, and a contact extending from the conductive line to the junction portion through the buffer pattern and the insulation pattern.

Abstract: A storage device generates and stores a key stream and a value stream by extracting from data a plurality of keys and a plurality of values respectively corresponding to the plurality of keys. The storage device includes a controller and a non-volatile memory. The controller receives from a host information about an invalid key included in the key stream together with a compaction command, and performs a compaction operation on the key stream in response to the compaction command. The non-volatile memory stores the key stream and the value stream. The controller merges the key stream with another key stream based on the information about the invalid key in the compaction operation.