Samsung Electronics Co., Ltd.

Snu Rdb Foundation

Postech Research and Business Development Foundation

Hyunchul Park

Kihyun Kim

Juho Son

Byungjoon Park

Daehyun Kang

Yunsung Cho

Kyung Ho Kim

Sangmok Kim

Jeongho Lee

Donggi Lee

Kyuhwan An

Otae Bae

Jaesik Jang

Sangho Lee

Jihoon Kim

Yonghoon Kim

Sungjin Lee

Sangkwon Moon

Jihong Kim

Jinhyun Kim

Scott Mahlke

Ji Hong Kim

Se-Wook Na

Yuichi Aoki

Yongjun Park

Heejun Shim

Sukjin Kim

Sunggi Yang

Donggyu Minn

Young-Jae Jung

Ji Sung Park

Ho-Jin Song

Seokhyeon Kim

Durina Park

Jeonghoon Jeong

Seunguk Choi

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). An electronic device, in a wireless communication system, may include: a processor, an antenna array, a plurality of first radio frequency (RF) paths related to a first stream, the first RF paths each including a transmit (TX) path and a receive (RX) path, and a plurality of second RF paths related to a second stream, the second RF paths each including a TX path and an RX path, and the processor may be configured to: generate a calibration signal for the antenna array, obtain characteristic information of the antenna array based on a phase difference or a gain difference between one TX path having the first stream and one RX path having the second stream obtained for each of measurement RF paths among the plurality of the first RF paths, and calibrate the plurality of the first RF paths based on the characteristic information.

Apparatus and method for error correction in wireless communication system

The disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system, such as long term evolution (LTE). A transformer is provided. The transformer includes a first primary inductor, a second primary inductor, and a secondary inductor. The secondary inductor may be disposed between the first primary inductor and the second primary inductor. The secondary inductor may be disposed spaced apart from the first primary inductor and the second primary inductor.

Transformer for low loss and apparatus including the same

Disclosed is a 5G (5generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4generation) communication system such as long-term evolution (LTE). A transmission device comprises: a first amplification unit having a common source structure, including cross coupled capacitors, and amplifying an input signal; a second amplification unit, having a common gate structure, for amplifying a signal output from the first amplification unit; and a first removal unit which is connected to output terminals of the first amplification unit and input terminals of the second amplification unit and which removes at least one portion of second harmonics. The first removal unit can offset, with respect to a fundamental frequency, at least some of parasitic capacitance generated from the output terminals of the first amplification unit and the input terminals of the second amplification unit, and can ground a signal having a secondary harmonic frequency with respect to the secondary harmonic frequency.

Apparatus and method for amplifying power in transmission device

The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). The present disclosure is to amplify transmission signals in a wireless communication system, and a transmitting device may include an antenna array including a plurality of antenna elements, a plurality of amplification chains for amplifying signals transmitted through the plurality of the antenna elements, and a power supply line for supplying powers to the plurality of the amplification chains. Herein, the powers used by power amplifiers included in at least one amplification chain of the plurality of the amplification chains may be divided by filtering or by independent pads and branch-lines.

Apparatus and method for amplifying transmission signals in wireless communication system

An electronic device including an amplifier which includes a first transistor configured to receive an input signal through a gate terminal thereof and having a source terminal electrically connected to ground, a second transistor configured to transmit an output signal through a drain terminal thereof and having a gate terminal electrically connected to the ground, and a switch electrically connected to the gate terminal of the second transistor and configured to switch a voltage being supplied to the gate terminal of the second transistor in accordance with turn-on or turn-off of the amplifier.

Amplifier for cutting leakage current and electronic device including the amplifier

The present disclosure relates to a communication technique for converging Internet of Things (IoT) technology with a 5Generation (5G) communication system for supporting a higher data transfer rate beyond a 4Generation (4G) system, and a system therefor. The disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. An antenna module is provided. The antenna module includes an antenna, and at least one transmission line configured to transmit a first signal through the antenna for transmission or receive a second signal through the antenna for reception. The length of the transmission line may be determined based on the impedance when the first signal or the second signal flows through the transmission line.

Antenna module using transmission line length and electronic device including the same

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) are provided. The 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 electronic device includes a first antenna module including a first amplifier configured to amplify a signal received from a communication circuit, a second antenna module including a second amplifier configured to amplify a signal received from the communication circuit, and an impedance matching circuit disposed between an output terminal of the first amplifier and an output terminal of the second amplifier.

Electronic device including plurality of antenna arrays

The disclosure relates to a communication method and system for converging a 5G communication system for supporting higher data rates beyond a 4G system with an IoT technology. The 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 or connected car, healthcare, digital education, retail, security and safety-related services. The disclosure provides a mixer including a first impedance connected in parallel to a mixer output transformer and configured to remove a primary local frequency component generated at an output of the mixer, and a second impedance connected in parallel to the mixer output transformer and configured to remove a secondary local frequency component generated at the output of the mixer, wherein the first impedance operates as a series resonator in a primary local frequency band, and the second impedance operates as a parallel resonator in a secondary local frequency band.

Mixer for reducing local frequency signal generated at output of the mixer

A storage device includes a nonvolatile memory device and a memory controller configured to control the nonvolatile memory device in response to a request from a host. The memory controller is configured to employ state information related to the confidence level of a power supply to determine a reliability level with respect to an access operation of the memory device and to perform a reliability guarantee operation corresponding to the determined reliability level.

Storage device using power state information and operating method thereof

A storage device is provided which includes a nonvolatile memory device configured to store a plurality of reference data, a memory configured to store a hash manage table used to manage a plurality of reference hash keys of each of the plurality of reference data, a hash key generator configured to generate a plurality of hash keys based on write requested data, and a memory controller configured to compare the plurality of hash keys and reference hash keys of each reference data to determine whether to store the write requested data in the nonvolatile memory device. The memory controller selects one of the plurality of reference data according to a similarity between the plurality of hash keys and the plurality of reference hash keys of each reference data and stores the write requested data and the selected reference data in the nonvolatile memory device to refer to each other.

Storage device that performs a de-duplication operation, and method of operating the same

A defragmentation method of a user device which includes a host and a nonvolatile storage device includes: determining whether fragments of a first file stored at the nonvolatile storage device are in a same logical address zone; and executing defragmentation on the fragments of the first file if the fragments of the first file are in different logical address zones by moving the fragments of the first file to a logical address space corresponding to at least one of the different logical address zones.

Zone-based defragmentation methods and user devices using the same

Disclosed is configuration memory access technology in a processor with a reconfigurable architecture. The processor with the reconfigurable architecture includes an array of processing elements (PEs), a configuration memory and a token network. The configuration memory stores configuration data associated with controlling data flow of the respective PEs. The token network reads the configuration data from the configuration memory, estimates data flow of the PEs from the read configuration data, reads required configuration data from the configuration memory based on the estimated data flow, and supplies the required configuration data to corresponding PEs. By reducing configuration memory access frequency through a token network, power consumption may be reduced.

Processor with reconfigurable architecture including a token network simulating processing of processing elements

Disclosed is a data managing method of a storage device which includes at least one nonvolatile memory device and a controller controlling the nonvolatile memory device. The data managing method includes receiving an input/output request and generating a section directing logical addresses based on the input/output request. The section is managed using section information, and the section information includes a start logical address corresponding to the input/output request, spatial locality information having the number of the directed logical addresses, and historical request information.

Storage device and data management method thereof

A method of controlling a storage device, the method including calculating, in a controller of the storage device, data throughput of the storage device in a current period, comparing, in the controller, the data throughput to a reference value and adjusting, with the controller, an operation performance of the storage device in a next period based on the comparison and a delay factor of a period prior the current period.

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Ansan-si, South Korea

Hyunchul Park