Samsung Electronics Co., Ltd.

Yonsei University

Jeehwan Noh

Hyunil Yoo

Taeyoung Kim

Jaewon Kim

Hyunseok Ryu

Hyunkyu Yu

Hyukmin Son

Hyungju Nam

Jiyun Seol

Yeohun Yun

Cheolkyu Shin

Eunyong Kim

Yongok Kim

Eko Nugroho Onggosanusi

Boon Loong Ng

Md Saifur Rahman

Young-Han Nam

Peng Xue

Jae-Seung Son

Chanhong Kim

Jianhua Mo

Jongbu Lim

Jong Bu Lim

Min Sagong

Chungyong Lee

Keonkook Lee

Young Han Nam

Suryong Jeong

Ahmad AlAmmouri

Chaehee Lim

Younghan Nam

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). A method for operating a terminal in a wireless communication system includes receiving configuration information regarding a random access channel (RACH) from a base station, and transmitting a RACH preamble based on the configuration information. The configuration information includes information indicating the number of RACH transmission occasions in a frequency axis. A terminal includes a processor configured to receive configuration information regarding a RACH from a base station, and transmit a RACH preamble according to the configuration information, wherein the configuration information includes information indicating the number of RACH transmission occasions in a frequency axis.

Methods and apparatus for transmitting RACH in wireless communication system

Apparatuses and methods for composite beam paring in a wireless communication system. A method includes identifying, based on one or more user equipment (UE) reports, information on a plurality of narrow beams; determining beam correlation information for the plurality of narrow beams based on the one or more UE reports; and determining pairs of narrow beams from among the plurality of narrow beams based on the correlation information.

Composite beam pairing

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). Disclosed is an apparatus of a base station (BS). The BS may be configured to determine whether to use a beam of the BS and a beam of a terminal, which have been used in a downlink, in an uplink based on capability information received from the terminal and whether an antenna of the BS used for communication with the terminal is a transmission/reception common antenna and perform an uplink beam search when it is determined that the beam of the BS or the beam of the terminal is not used in the uplink.

Apparatus and method for selecting uplink transmission beams in wireless communication system

A communication method and a system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with an internet of things (IoT) technology are provided, which 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. A method and an apparatus for transmitting a reference signal are provided. The method includes receiving, from a base station, a first parameter and a second parameter associated with a sound reference signal (SRS) by higher layer signaling, identifying a bandwidth for the SRS based on the first parameter and the second parameter, and transmitting, to the base station, the SRS based on the identified bandwidth for the SRS.

Method and apparatus for transmitting reference signal in wireless communication system

Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. According to the present disclosure, a method of a terminal in a wireless communication system comprises the steps of: receiving downlink control information (DCI); confirming whether the DCI is uplink DCI for an uplink or downlink DCI for a downlink; and transmitting, through an uplink control channel or an uplink data channel, uplink control information (UCI) according to the confirmation result.

Method and device for transmitting, by terminal, uplink control information in 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). According to various embodiments of the present disclosure, an operating method of a base station includes determining at least one sub-carrier for allocating a phase tracking reference signal (PTRS), transmitting information relating to the PTRS allocation to a terminal, and based on the information, transmitting the PTRS to the terminal through the at least one sub-carrier. An apparatus and a method according to various embodiments of the present disclosure, may determine a sub-carrier for PTRS allocation and provide information relating to the PTRS allocation to a terminal, thus controlling PTRS interference caused from neighboring base stations and improving PTRS tracking performance.

Method and device for removing phase noise in wireless communication system

A method for operating a terminal in a wireless communication system is provided. The method includes receiving, from a base station, system information comprising information indicating a waveform for a second message, transmitting, to the base station, a random access preamble signal, receiving, from the base station, a first message comprising a random access response, and transmitting, to the base station, the second message using a resource allocated by the first message.

Apparatus and method for performing initial access in wireless communication system

Disclosed is a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4th) communication system such as long term evolution (LTE). A device of a terminal, according to various embodiments of the disclosure, can comprise at least one processor and at least one transceiver, which: receives, from a base station, indication information which is determined according to whether channel reciprocity with the base station is satisfied and which is for controlling a beamforming operation of the terminal; and receives, from the base station, a reference signal and transmits uplink data to the base station on the basis of the indication information and the reference signal.

Device and method transmitting data based on non-codebook in wireless communication system

The disclosure relates to a communication scheme and system for the convergence of a 5G communication system for supporting a higher a data transfer rate after the 4G system with the IoT technology. The disclosure may be applied to intelligence services (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, security and safety-related services) based on the 5G communication technology and IoT-related technology. The disclosure discloses a method and apparatus for a beam association between DL/UL.

Method and apparatus for beam association between downlink/uplink

The present disclosure relates to a communication technique for converging an IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, a security and security related service, or the like) on the basis of a 5G communication technology and an IoT related technology. A method for a terminal according to the present disclosure comprises the steps of transmitting a random access preamble through a resource associated with a resource through which a downlink synchronization signal has been received; receiving a random access response message to the random access preamble; and decoding the random access response message by using information determined on the basis of the resource through which the downlink synchronization signal has been received.

Method and apparatus for decoding random access response message in wireless communication system

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). Provided are an apparatus and a method for determining a bandwidth in a wireless communication system. A method of operating a base station (BS) in a wireless communication system includes: receiving information on a bandwidth supporting capability of a terminal from the terminal; transmitting information on at least one candidate bandwidth corresponding to the bandwidth supporting capability to the terminal; and transmitting information indicating a utilization bandwidth of the terminal among the at least one candidate bandwidth to the terminal. Accordingly, it is possible to reduce power consumption of the terminal and overhead for a bandwidth indication.

Apparatus and method for determining bandwidth in wireless communication system

The present disclosure relates to a 5G or pre-5G communication system for supporting a data rate higher than that of the 4G system. A method by a terminal in a wireless communication system according to the present disclosure includes receiving a first message comprising first information indicating a number of symbols in an uplink pilot time slot (UpPTS) region, identifying at least one symbol for transmitting a sounding reference signal (SRS) based on the first information, and transmitting the SRS.

Method and apparatus for communication in wireless communication system

A 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 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 method for transmitting and receiving a phase compensation reference signal (PCRS) to compensate for phase noise. The method may determine whether a first precoding is applied to a demodulation reference signal (DMRS) and the PCRS to be transmitted to a terminal. The base station may also generate the DMRS and the PCRS, based on whether the first precoding is applied to the DMRS and the PCRS, and transmit data, the DMRS, and the PCRS to the terminal.

Growing community of inventors

Suwon-si, South Korea

Jeehwan Noh