Samsung Electronics Co., Ltd.

Sungkyunkwan University

Postech Foundation

University of California

Nokia Technologies Oy

Chi-Woo Lim

Seung-Hoon Park

Sung-Eun Park

Jae-Weon Cho

Kyung-Kyu Kim

Hyun-Kyu Yu

Seung-Hoon Choi

Hyun-Seok Ryu

Min Sagong

Sung-Nam Hong

Woo-Myoung Park

Jae-Yoel Kim

Dae-Gyun Kim

Seok-Ki Ahn

Young-Bin Chang

Dong-seek Park

Hong-Sil Jeong

Su-Ryong Jeong

Tae-Young Kim

Mi-Hyun Lee

Kyung-Whoon Cheun

Hyun-Jeong Kang

Song-Nam Hong

Sang-Kyu Baek

Ho-Kyu Choi

Gyu-Bum Kyung

Jeong-ho Park

Sang-Min Kim

Min Jung Jang

Ji-Yun Seol

Pan-Yuh Joo

Kyeong-Cheol Yang

Young-Joong Mok

Ki-Chun Cho

Se-Ho Myung

Shuangfeng Han

Sie-Joon Cho

Kwang-Taik Kim

Thierry Lestable

Sueng-Jae Bae

Anil Agiwal

Jung-Je Son

Sung-Jin Lee

Dong-Hyun Kim

Hyoung-Kyu Lim

Min Hee Jang

Jae-Won Kim

Won-Il Roh

Hyung-Jin Choi

Min Young Chung

Won-Jun Hwang

Min-Young Chung

Nam-Yoon Lee

Kyung-joong Kim

Hyun-Koo Yang

Yeong-Moon Son

Seho Myung

Hee-Won Kang

Jung-Shin Park

Chang-Hoi Koo

Seung-Joo Maeng

Dong Hyun Kim

Yong-Seok Kim

June Moon

Sung-ryul Yun

Zheng Zhao

Eun-Taek Lim

Sung-Ryul Yun

Sang-Hyo Kim

Chang-Yoon Oh

Dong-Jun Lee

Jun-Sung Lim

Myung-Kwang Byun

Dong-Seek Park

Young-Kyun Kim

Jae-Yeol Kim

Soon-Mi Cho

Young-Han Kim

Sueng Jae Bae

Gyu Bum Kyung

Hyun-Gu Yang

Ja-Heon Gu

Kyung-Hun Won

Jin-Hwan Kang

Seung-Sik Shin

Pah-Yuh Joo

Woo-Myong Park

Kyung-Hoon Won

Wi-Pil Kang

Kyung-Ky Kim

Jae-Weon Yeongtong-Dong Cho

An apparatus and a method for operating a mobile station in a wireless communication system are provided. The method includes receiving first information transmitted on a secondary carrier from a base station, and transmitting second information for feedback related to the secondary carrier at a feedback region in a primary carrier based on the first information to the base station.

Apparatus and method for supporting asymmetric carrier aggregation in wireless communication system

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate beyond the 4G communication system such as LTE. A decoding method using a polar code according to an embodiment of the present disclosure comprises the steps of: determining a first function for decoding input bits and a second function, which is independent from a log likelihood ratio (LLR) value of a previous input bit by the first function; and decoding the input bits in parallel using the first function and the second function. Also, the method comprises the steps of: determining an internal frozen bit using at least one input frozen bit which has a predetermined value of a predetermined position from among the input bits; and determining LLR values for layer bits sequentially from the higher layers of N layers.

Decoding method and apparatus in wireless communication system

A method and apparatus for channel encoding and channel decoding in a wireless communication system are provided. The channel encoding method includes generating a first parity set and a second parity set based on information bits, determining a number of additional parity bits based on a number of the information bits and a required coding rate, generating the determined number of additional parity bits using the information bits, and generating a codeword including the information bits, the first parity set, the second parity set, and the generated additional parity bits.

Method and apparatus for channel encoding an channel decoding in a wireless communication system

Fifth Generation (5G) or pre-5G communication system for supporting a data transfer rate higher than that of a fourth Generation (4G) communication system, such as Long Term Evolution (LTE), and subsequent systems. The present disclosure provides a method for transmitting a signal by a transmission terminal in a communication system using a Low Density Parity Check (LDPC) code. The method include receiving a change request for changing a coding rate of the LDPC code, from a reception terminal; determining a first coding rate based on the change request; and transmitting information on the first coding rate in respond to the change request, to a reception terminal, wherein the change request for changing the coding rate comprises at least one of information indicating a coding rate determined by the reception terminal, or information indicating a state of the reception terminal.

Method and apparatus for transmitting/receiving signal in communication system

The present invention relates to a two-step search procedure for D2D communication. A method for D2D communication includes: obtaining a discovery code and a multicast identifier to be used for transmitting additional information on an application program through a D2D multicast subframe, based on an identifier of an application program of a device; and broadcasting the discovery code and the multicast identifier in a discovery subframe.

Two-step search procedure for D2D communication

A method for allocating resources in Device-to-Device (D2D) communication in a wireless network is provided. The method includes requesting, by a device, resource allocation from an enhanced Node B (eNB) and causing the device to be allocated, from the eNB, a Resource Block (RB) for transmitting one of D2D discovery and communication data and control information. The RB includes information about a location of the resource-allocated time or frequency.

Apparatus and method for allocating resources in device-to-device communication in wireless network

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) is disclosed. The present disclosure relates to a rate compatible low-density parity-check (RC-LDPC) encoding method and device therefor. The encoding method includes using LDPC in a communication system, including the operations of LDPC encoding information bits by a first encoding rate, and performing a concatenated single parity check (SPC) encoding for the encoded bits by at least one second encoding rate lower than the first encoding rate.

Encoding method and device using rate-compatible, low-density parity-check code in communication system

The present 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 a long term evolution (LTE). A method and apparatus for transmitting a signal in a transmitting apparatus in a communication system supporting a rate compatible-low density parity check (RC-LDPC) code are provided. The method includes encoding information bits based on a first parity check matrix and a first code rate to generate a codeword, processing the codeword to generate a transmission signal, and transmitting the transmission signal.

Apparatus and method for transmitting and receiving signal in communication system supporting rate compatible low density parity check code

A method for performing scheduling by a first base station over a wireless communication network, and an apparatus therfor are provided. The method includes receiving first channel status information (CSI) measured by at least one user equipment (UE) positioned in coverage of the first base station and second CSI, determining a first transmission rate for any one of the at least one UE positioned in the coverage of the first base station and a second transmission rate for any one of the at least one UE positioned in the coverage of the second base station, determining a third transmission rate for a first UE among the at least one UE positioned in the coverage of the first base station and a fourth transmission rate for a second UE among the at least one UE positioned in the coverage of the second base station, and performing scheduling.

Electronic device and method for scheduling

A 5-generation (5G) or pre-5G communication system which is to support a higher data transfer rate beyond a 4G communication system such as a long term evolution (LTE) is provided. The method for transmitting a downlink signal by a base station in a wireless communication system supporting non-orthogonal multiple access (NOMA) includes the steps of selecting a pair of terminals including one short-distance terminal and at least one long-distance terminal which will share an identical downlink transmission resource, generating a superimposed signal in which a signal for the short-distance terminal and a signal for the long-distance terminal are superimposed on one another, generating information necessary for cancelling the signal of the long-distance terminal from the superimposed signal, transmitting the generated information necessary for cancelling the signal of the long-distance terminal to the short-distance terminal, and transmitting the generated superimposed signal to the pair of terminals.

Method and device for transmitting downlink information in wireless communication system

A decoding method in a mobile communication system using a non-binary LDPC code according to various embodiments of the present disclosure includes: selecting a message value having the highest reliability from each column and each row of an input vector message; generating a configuration set using the message value selected for each column and a GF element corresponding to the message value; and generating a check node output message using the generated configuration set and an extra output message value. According to various embodiments of the present disclosure, a decoding time period is reduced.

Decoding apparatus and method in mobile communication system using non-binary low-density parity-check code

The present invention relates to a method for operating, by a base station, multiple modulation schemes in a wireless communication system, the method comprising the steps of: calculating the number of terminals, among the terminals in a cell managed by the base station, of which a channel state is included in a state that is lower than a preset state; reporting information related to the calculated number of terminals to an upstream entity of the base station; receiving information about a band, assigned by the upstream entity, for a hybrid frequency shift keying (FSK) and quadrature amplitude modulation (QAM) (FQAM) scheme on the basis of a QAM scheme and a FSK scheme; and transmitting downwardly the information about the band for the FQAM scheme to the terminals of which a channel state is included in a state that is lower than the preset state. Other modified embodiments on the basis of the technical concept of the present invention are also possible.

Method and apparatus for operating multiple modulation schemes in wireless communication system

A method and an apparatus for transmitting a packet in a system performing a Device to Device (D2D) direct communication are provided. In the method, whether to transmit a small packet is determined. When small packet transmission is determined, at least one peripheral reception device is informed of whether the small packet is transmitted at a scheduling point.

Method and apparatus for transmitting packet in system performing D2D direct communication

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). Provided is an operation method of a base station in a wireless communication system. The method comprises: receiving, from a terminal, at least one piece of information among channel quality information on a resource region allocated to the terminal and non-Gaussian information on a nulling region corresponding to the resource region; and determining a modulation order for the terminal, a code rate, a ratio of the resource region to the nulling region based on the channel quality information and the non-Gaussian information.

Method and device for generating non-gaussian interference channel in wireless communication system

Growing community of inventors

Suwon-si, South Korea

Chi-Woo Lim