Samsung Electronics Co., Ltd.

Tibero Co., Ltd.

Joohyun Lee

Hayoung Yang

Seijoon Shim

Chongdon Kim

Ikbeom Lee

Chanho Choi

Soongyoon Choi

Youngtaek Bae

Jiyong Park

Hyuntack Lim

Seongkoo Cheong

Jinhwan Kang

Junhyung Shin

Hong-Sil Jeong

Min Hee Jang

Sang Young Park

Ildo Kim

Byungjoon Park

Soong-Yoon Choi

Kilsik Ha

Youngjae Choi

Kyungtae Lee

Sukhwan Lim

Youngkwan Choi

Myeongcheol Shin

Yeongsam Kim

Posung Chun

Dusic Yoo

Provided are an image signal processor, an operating method of the image signal processor, and an application processor including the image signal processor. The image signal processor includes a downscaling circuit configured to generate a first image signal by downscaling an input image signal; an image processing engine configured to generate a second image signal by performing a plurality of image processing operations on the first image signal; a first upscaling circuit configured to generate a third image signal by upscaling the second image signal; a second upscaling circuit configured to generate a fourth image signal by upscaling the first image signal; a correction information generating circuit configured to generate an image information signal by extracting information on image quality loss of the third image signal from the input image signal and the fourth image signal; and a recomposition circuit configured to generate an output image signal by recomposing the third image signal and the image information signal.

Image signal processor, operating method of the image signal processor, and application processor including the image signal processor

An application processor includes a neural processing unit configured to convert an input image into a first image based on a first pattern and generate a second image using a neural network, the second image compensating for the conversion; and an image signal processor including a plurality of pipelines configured to perform image signal processing, the plurality of pipelines including at least a first pipeline configured to receive the first image and a second pipeline configured to receive the second image.

Application processor including neural processing unit and operating method thereof

An iterative detection and decoding (IDD) device in a receiving device of a wireless communication system by using multiple-input multiple-output (MIMO) and a channel code by connecting is provided. The IDD device includes an MIMO detector that generates an output log likelihood ratio (LLR) value by using signals received from a plurality of antennas and a feedback LLR value, a channel decoder for outputting a channel decoded LLR value through channel decoding and a second operation by using the LLR value of the MIMO detector, and a feedback compensator for generating the feedback LLR value so that the channel decoded LLR value is within the range of an upper threshold and a lower threshold determined based on a bit width of an LLR used by the receiving device.

Decoding device and method in wireless communication system

A modular display apparatus is provided. The modular display apparatus includes a plurality of display apparatuses, each of which includes a plurality of pixels; a storage configured to store a plurality of gain sets, each of which includes gain values respectively corresponding to a plurality of power loads; and a processor configured to: identify a gain set from among the plurality of gain sets based on a resolution of the modular display apparatus; transmit the gain set to the plurality of display apparatuses; receive a plurality of gain values which respectively correspond to power loads for the plurality of display apparatuses to display an image from the plurality of display apparatuses; and transmit a gain value from among the plurality of gain values to the plurality of display apparatuses. Each of the plurality of display apparatuses is configured to display the image by driving a plurality of light-emitting devices of the plurality of pixels based on the gain value received from the processor.

Modular display apparatus and method for controlling thereof

A radio frequency (RF) unit, a digital unit, and methods of transmitting and receiving data in a wireless communication system are provided. The digital unit may include: a transceiver configured to receive compressed data from an RF unit, a processor configured to divide a frequency domain and a time domain into a plurality of blocks, set a compression parameter to be applied to each of the plurality of blocks, and expand the received data in units of the blocks based on the set compression parameter, and a memory storing the compression parameter.

Method and device for transmitting/receiving signal in wireless communication system

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-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 relates to a method and device for decoding data by a base station in a wireless communication system, and the method of the present invention comprises the steps of: transmitting, by a base station, phase tracking reference signal (PTRS) allocation information, which includes PTRS port information and orthogonal cover code (OCC) information, to a terminal; receiving, from the terminal, a demodulation reference signal (DMRS) and a PTRS to which an OCC depending on the OCC information has been applied, so as to estimate phase noise; and compensating the phase noise to decode data received from the terminal.

Method and device for decoding data in wireless communication system

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. A method for transmitting and receiving data comprises the steps of: receiving a first synchronization block over a first narrow band; identifying whether an indicator indicating that the first narrow band is not allocated to a terminal is included in the first synchronization block; and performing synchronization in the first narrow band if the indicator indicating that the first narrow band is not allocated to the terminal is not included in the first synchronization block.

Method and apparatus for transceiving data in wireless communication system

The disclosure relates to detection and control of remote interference due to an atmospheric ducting phenomenon. More specifically, a method of a first base station, according to one embodiment of the disclosure, for controlling interference due to atmospheric ducting in a wireless communication system includes: receiving a sequence from at least one second base station; identifying the at least one second base station corresponding to the sequence; estimating a channel for the at least one identified second base station, based on the sequence; and controlling a beam in a direction corresponding to the at least one identified second base station, based on a result of the channel estimation.

Method and apparatus for controlling interference due to atmospheric ducting in wireless communication system

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). The disclosure provides decoding of a low-density parity-check (LDPC) code in a wireless communication system, and a decoding method of the LDPC code may include receiving a codeword, performing decoding iterations on the codeword a predefined maximum number of times using a parity check matrix, performing partial decoding using a partial area of the parity check matrix, and determining decoding success or failure of the codeword based a result of the partial decoding.

Apparatus and method for decoding of low-density parity check codes in wireless communication system

This disclosure relates to a 5G or pre-5G communication system to be provided to support a higher data transmission rate after a 4G communication system such as LTE. An apparatus that combines a plurality of radio signals according to an embodiment of the present invention comprises: a plurality of antennas which receive the plurality of radio signals; a baseband modem which generates channel estimation information related to the plurality of radio signals and combines the plurality of radio signals on the basis of combining control information; and a controller which generates the combining control information on the basis of the channel estimation information and preset configuration information and transmits the combining control information to the baseband modem.

Method and apparatus for combining plurality of radio signals

The present invention relates to a preamble signal detection method of a receiving device, and a device therefor. A preamble signal detection method of a receiving device, according to one embodiment of the present disclosure, can comprise the steps of: receiving a plurality of preamble signals for random access through a physical random access channel (PRACH); determining at least one preamble signal corrupted by an interference signal among the received plurality of preamble signals; combining the remaining preamble signals excluding the at least one corrupted preamble signal among the plurality of preamble signals; and detecting a peak value of the combined preamble signals. The study was performed with the support of the 'Governmental Department Giga KOREA Business' of the Ministry of Science, ICT and Future Planning.

Preamble signal detection method in wireless communication system and device therefor

According to an embodiment of the present invention, a method for combining reception signals of a reception device in a wireless communication system comprises the steps of: determining N (here, N is a natural number) number of symbols for performing symbol combining with respect to reception signals; symbol-combining the reception signals for L (here, L is a natural number) number of times according to the determination result; and energy-combining each group of the L number of reception signals for which the symbol combining has been performed. The present research has been performed by receiving support from 'Giga KOREA project' of the Ministry of Science, ICT, and Future Planning.

Method and device for combining reception signals in wireless communication system

A base station for transmitting data in an OFDM system is provided. The base station is configured to convert data or a signal into a wireless band and transmit the converted data or signal to a terminal, down-convert a signal and output the down-converted signal, and generate a message for requesting terminal capability information for a sub-carrier spacing and transmit the message to the terminal accessing the base station, generate information on sub-bands of groups available to the terminal in response to receiving a terminal capability response message from the terminal and transmit the information on the sub-bands of groups available to the terminal, allocate a resource by selecting sub-bands of one group of the sub-bands of the groups available to the terminal in response to receiving a scheduling request message from the terminal and generate and transmit a resource allocation message, and transmit the data using the allocated resource.

Multi-numerology based data transmitting and receiving method and apparatus capable of frequency hopping in OFDM system

An interference cancellation method and apparatus of a base station is provided for use in a wireless communication system, which includes receiving a first signal by a first antenna and a second signal by a second antenna, measuring interference amounts in the first signal and the second signal based on a result of channel measurement performed on the first signal and the second signal, and generating a third signal as a target of decoding by adjusting channel parameters associated with channel conditions of the first antenna and the second antenna based on the measured interference amounts. The channel parameters are generated based on the channel measurement result.

Growing community of inventors

Suwon-si, South Korea

Joohyun Lee