Samsung Electronics Co., Ltd.

Hyunil Yoo

Jeongho Yeo

Jeehwan Noh

Taeyoung Kim

Hyunseok Ryu

Jaewon Kim

Hyunkyu Yu

Hyukmin Son

Hyungju Nam

Jiyun Seol

Peng Xue

Namjeong Lee

Yeohun Yun

Jung-Min Moon

Mythri Hunukumbure

Eunyong Kim

Keonkook Lee

Suryong Jeong

Ji-Yun Seol

Youngbum Kim

Hoondong Noh

Cheol Mo Jeong

Anshuman Nigam

Yinan Qi

Cheolkyu Shin

Youngwoo Kwak

Saidhiraj Amuru

Sungnam Hong

Jongbu Lim

Chanhong Kim

Yongok Kim

Jihwan Noh

Jae-Seung Son

Jong Bu Lim

Jongho Oh

Young Han Nam

Ikbeom Lee

Kilsik Ha

Kyungwhoon Cheun

Hyoungjin Lim

Jisung Oh

Younghan Nam

A device and a method for cell coverage enhancement by an electronic device in a wireless communication system are provided. The electronic device includes a communication circuit and a processor, wherein the processor identifies a channel variation of an external device configured to perform communication via the communication circuit, configures a frequency hopping interval corresponding to the external device, based on the channel variation of the external device, transmits information related to the frequency hopping interval to the external device, and transmits, based on the frequency hopping interval, at least one reference signal assigned to at least one slot corresponding to at least one frequency band to the external device.

Electronic device for cell coverage enhancement and operation method thereof

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

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 terminal in a wireless communication system is provided. The terminal includes a transceiver, and at least one processor configured to receive, from a base station (BS), a beam failure recovery configuration comprising at least one reference signal for identifying a candidate beam for the beam failure recovery and associated random access (RA) parameters, identify the candidate beam for the beam failure recovery using the at least one reference signal, and perform a physical random access channel (PRACH) using the at least one reference signal and the associated RA parameters on the candidate beam for the beam failure recovery.

Method and apparatus for handling a beam failure recovery 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

For converging a 5-Generation (5G) communication system and supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT), a channel state information (CSI) acquisition method includes transmitting CSI configuration information to a terminal, selecting a beam for transmitting a beamformed CSI reference signal (BF-CSI-RS) to the terminal, transmitting the BF-CSI-RS to the terminal using the selected beam, and notifying the terminal of a beamforming update. A base station for acquiring CSI in a mobile communication system includes a transceiver configured to transmit and receive signals, and a controller configured to control the transceiver to transmit CSI configuration information to a terminal, to select a beam for transmitting a BF-CSI-RS to the terminal, to transmit the BF-CSI-RS to the terminal using the selected beam, and to notify the terminal of a beamforming update.

Reference signal measurement method and apparatus for use in mobile 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). 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

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

The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with IoT technology and a system thereof. The present disclosure may be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and an apparatus for transmitting/receiving a random access channel (RACH) according to beam reciprocity (beam correspondence) with a method and an apparatus for supporting various services.

Methods and apparatus for supporting multiple services 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 present disclosure is related to a 5generation (5G) or pre-5G communication system for supporting a higher data rate than a 4generation (4G) communication system such as long term evolution (LTE). According to various embodiments of the present disclosure, a method for operating a base station in a wireless communication system is provided. The method comprises: generating remaining minimum system information (RMSI) comprising random access channel (RACH) configuration, wherein the RACH configuration comprises an association between RACH resources and one of a synchronization signal (SS) block and channel state information reference signal (CSI-RS) resources; and transmitting, to a user equipment (UE), the RMSI.

Apparatus and method for managing random access channel configuration 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 disclosure discloses a method and an apparatus for allocating a PTRS in a next-generation communication system.

Growing community of inventors

Suwon-si, South Korea

Hyunil Yoo