Samsung Electronics Co., Ltd.

Yonsei University

Postech Research and Business Development Foundation

Kyeongyeon Kim

Yeohun Yun

Chanhong Kim

Jiyun Seol

Taeyoung Kim

Byunghwan Lee

Ming Hoka

Sungnam Hong

Chungyong Lee

Yongho Cho

Ka Ming Ho

Seho Myung

Jongbu Lim

Min Jun Jang

Dongkyu Sim

Sungjin Park

Hyunseok Ryu

Sangheon Kim

Yong-Jin Ahn

Seung-Hoon Nam

Jae-Hak Chung

Min Sagong

Seijoon Shim

Keonkook Lee

Chung-Yong Lee

Hongsil Jeong

Suryong Jeong

Jaeseung Son

Taehyun Lee

Joonho Cho

Jeonghoon Choi

Youngkwan Choi

Yeongsam Kim

Dong-Kyu Sim

Changyeon Kim

The disclosure relates to a communication technique and a system for converging a fifth generation (5G) and subsequent communication system with Internet of things (IoT) technology to support a higher data transmission rate than a fourth generation (4G) system. The disclosure is applied to the intelligent service based on the 5G and subsequent communication technology and IoT-related technology. The reception device according to the disclosure receives orthogonal frequency division multiplexing (OFDM) signals through a plurality of antennas, aligns the received OFDM signals, converts at least one of the aligned reception signals into a designated symbol, estimates the data symbols of the reception signals based on the designated condition, and determines the data symbol of the reception signals by synthesizing at least one of the converted reception signals among the estimated reception signals.

Device for linear reception processing of low-complexity light of multi-antenna wireless communication system, and operating method therefor

The disclosure relates to a communication technique for convergence between an IoT technology and a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system thereof. The disclosure may be applied to intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, etc.) based on a 5G communication technology and an IoT-related technology. The disclosure provides a method for transmitting uplink control information and/or uplink data by a terminal according to multiple priorities, a method for receiving uplink control information and/or uplink data by a base station according to multiple priorities, and an apparatus therefor.

Method and apparatus for uplink transmission 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. Further, the present disclosure relates to decoding of a turbo code in a communication system including long term evolution (LTE), and to efficiently implement a method, procedure, and device for receiving and decoding a signal transmitted in a mobile communication system.

Data decoding method and device in communication and broadcast system

The disclosure relates to a method performed by an apparatus for decoding an encoded signal in a communication system according to an embodiment of the disclosure may include an operation of receiving an encoded signal including a plurality of codeword bits, an operation of determining a first log-likelihood ratio (LLR) for the plurality of codeword bits, and an operation of performing iterative decoding a predetermined number of times based the first LLR, and the plurality of codeword bits may include a codeword bit included in a first subset and a codeword bit included in a second subset, and the operation of performing iterative decoding may include determining a second LLR only for the codeword bit included in the first subset of the plurality of codeword bits, and estimating, based on the second LLR, a bit value only for the codeword bit included in the first subset.

Method and apparatus for decoding of data in communication and broadcasting systems

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system 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.

Apparatus and method for transmitting/receiving of data in a wireless communication system providing different services

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 present invention is a method for transmitting, by a transmitter, a signal in order to efficiently transmit the signal so that heterogeneous services can coexist, the method comprising the steps of: confirming whether a signal to be transmitted is a first signal or a second signal; if the signal to be transmitted is the first signal, transmitting the first signal to a receiver by applying puncturing in a resource region in which the first signal is transmitted and in a resource region overlapping with the second signal; and if the signal to be transmitted is the second signal, applying a phase rotation to the second signal and transmitting the second signal.

Transmitting and receiving method and apparatus for coexistence between heterogeneous services

The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). A method for operating a base station in a wireless communication system, according to the present disclosure, comprises determining the window configuration to be applied to a transmission signal based on channel-related information of at least one UE; and transmitting control information comprising the window configuration to the at least one UE, wherein the window configuration comprises a length of each window to be applied to each of at least one subband of a frequency band allocated to the transmission signal.

Method and apparatus for controlling interference in wireless communication system

Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. Particularly, the present invention relates to a communication device and method in a filter-bank based single carrier frequency division multiple access (FB based SC-FDMA) system and, particularly, to a communication device and method for lowering a peak to average power ratio (PAPR) in an uplink.

Communication device and method in filter-bank based single carrier frequency division multiple access system

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication systems such as LTE. A method according to an embodiment of the present invention is a communication method in a base station which communicates via filter bank-based multicarrier signals. The method may comprise the steps of: performing communication by allocating filters having non-orthogonality with respect to a first terminal positioned within a cell; selecting a filter set from among two or more filter sets having orthogonality with respect to a second terminal positioned at the edge of the cell; and performing communication by allocating, to the second terminal, at least one filter among filters included in the selected filter set.

Filter reuse method for transmitting and receiving filter bank-based multicarrier signals

The present disclosure relates to a 5G or pre-5G communication system for providing a higher data rate after a 4G communication system such as LTE. Particularly, the present disclosure relates to pre-processing for Filter Bank Multi-Carrier (FBMC) in a wireless communication system, and a method of a communication node includes the operations of receiving a signal from a counterpart node, determining a pre-processing scheme according to a channel and a frequency confinement characteristic of a filter based on the received signal, and performing pre-processing for a subcarrier set corresponding to the filter in accordance with the determined pre-processing scheme.

Apparatus and method for pre-processing for filter bank multi carrier scheme in wireless communication system

The present invention 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 invention relates to the transmission of a filter bank multi-carrier (FBMC) symbol in a wireless communication system, and a method for operating a transmission terminal comprises the steps of: transmitting a first FBMC symbol generated by applying filters to subcarriers according to a first pattern; and transmitting a second FBMC symbol generated by applying the filters to the subcarriers according to a second pattern. In addition, the present invention also comprises examples different from the above mentioned example.

Filter control apparatus and method for filter bank multi-carrier technique in wireless communication system

A system and method for constructing an interference component using a detected data symbol and an estimated channel response in a non-orthogonal system and a method of estimating a channel using a structure of the non-orthogonal system and the interference component are provided. The system includes a receiver that receives a reference signal and data transmitted from a transmitter; detects adjacent data symbols around the reference signal; estimates an initial channel state; constructs the interference signal based on the adjacent data symbols and the initial channel state; estimates the channel state on the basis of the constructed interference signal; and perform an iterative process of reconstructing the interference signal based on the basis of the estimated channel state and re-estimates the channel state based on the reconstructed interference signal.

Method and apparatus of constructing interference component and estimating channel for multicarrier systems with non-orthogonal waveform

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate beyond a 4G communication system such as LTE. According to an embodiment of the present invention, a method for transmitting a synchronization signal by a base station in a filter bank multi carrier (FBMC) system and a base station using the same may be provided, the method comprising the steps of: generating a frequency-domain quadrature amplitude modulation (QAM) symbol sequence having a length of k for a synchronization signal; mapping the QAM symbol sequence to a sub-carrier of a filter bank on the basis of the correlation characteristic of the synchronization signal; generating a quadrature amplitude modulation-filter bank multicarrier (QAM-FBMC) symbol including the synchronization signal on the basis of the mapping, and transmitting the generated QAM-FBMC symbol. In addition, a terminal communicating with the base station and an operation method for the terminal may be provided.

Synchronization method and apparatus in mobile communication system

This disclosure relates to a 5G or pre-5G communication system to be provided for supporting higher data transfer rate following a 4G communication system such as LTE. To accomplish the objective mentioned above, a method for transmitting and receiving a signal at a terminal in the mobile communication system according to one embodiment of the present application comprises the steps of: receiving, from a base station, a reference signal generated on the basis of a first filter; determining channel information on the basis of the received reference signal; transmitting the determined channel information to the base station; receiving, from the base station, information related to a second filter determined on the basis of the channel information; and receiving, from the base station, a data signal on the basis of the second filter. According to an embodiment of the present application, it is possible to maximize the signal-to-interference-plus-noise ratio (SINR) while minimizing spectral interference in the event of multiuser connection, by using a prototype filter application method and system structure.

Growing community of inventors

Hwaseong-si, South Korea

Kyeongyeon Kim