Samsung Electronics Co., Ltd.

Jae-Weon Cho

Hyun-Jeong Kang

Mi-Hyun Lee

Sung-Jin Lee

Hyoung-Kyu Lim

Hyun-Kyu Yu

Tae-Young Kim

Yeong-Moon Son

Chi-Woo Lim

Pan-Yuh Joo

Song-Nam Hong

Ho-Kyu Choi

Young-Bin Chang

Jeong-ho Park

Jung-Je Son

Chang-Yoon Oh

Young-Ho Kim

Dong-seek Park

Ji-Yun Seol

Sung-Eun Park

Jun-Sung Lim

Seung-Hoon Choi

Su-Ryong Jeong

Joon-Young Choi

Hee-Won Kang

Hong-Sung Chang

Won-Il Roh

Eun-Taek Lim

Taori Rakesh

Kyung-Whoon Cheun

Sie-Joon Cho

Soon-Young Yoon

Min Sagong

Sung-Nam Hong

Ki-Chun Cho

Jae-Hee Cho

Chang-Hoi Koo

Se-Ho Kim

Kwan-Hee Roh

Jaehyuk Jang

Cheol Mo Jeong

Seung-Joo Maeng

Cheng Shan

Hoon Huh

Jin-Weon Chang

Myung-Kwang Byun

Jin-Kyu Koo

Jae-Yoel Kim

Rakesh Taori

Jung-Shin Park

Jung-Won Kim

Yong-Seok Kim

In-Seok Hwang

Young-Kwon Cho

Sung-ryul Yun

Jae-Ho Jeon

Jae-Won Kim

Sung-Ryul Yun

Seok-Ki Ahn

Sang-Heon Kim

Chung-Ryul Chang

Dong-Seek Park

Jin-Hee Won

Nam-Jeong Lee

Si-Hyun Park

Sung-Ho Chae

Won-Suk Choi

Soon-Mi Cho

Elisabeth De Carvalho

Jun-Young Jung

Kwang-Taik Kim

Hee-Sang Seo

Jae-Gwa Lee

Tang Yang

Song-Eun Park

Pan-Yun Joo

Huan Cong Nguyen

Pah-Yuh Joo

Joong-Ho Park

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

An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.

Apparatus and method for selecting best beam in wireless communication system

A base station and terminal use methods of obtaining synchronization and system information in a wireless communication system. An operation of a base station includes generating a synchronization signal to be transmitted through a Synchronization Channel (SCH), generating a broadcast signal to be transmitted through a Broadcast Channel (BCH), and transmitting repetitively the SCH and the BCH by performing beamforming on the channels with different transmission beams.

Apparatus and method for synchronizing and obtaining system information in wireless communication system

A method for performing a network entry procedure by a Mobile Station (MS) in a cloud cell communication system is provided. The method includes determining whether there is an arbitrary cloud cell member candidate Base Station (BS) as a cloud cell member candidate BS which has transmitted a downlink synchronization signal with a signal strength, if there is the arbitrary cloud cell member candidate BS, determining the arbitrary cloud cell member candidate BS as a final cloud cell member candidate BS which will perform a cooperative communication with the master BS, transmitting an access request message including information on the final cloud cell member candidate BS to the master BS, and receiving an access response message including information on a cloud cell member BS from the master BS.

Apparatus and method for performing network entry procedure in cloud cell communication system

The present disclosure relates to a communication technique for combining a 5G communication system that supports higher data transmission rates after 4G systems with IoT technology and to the system therefor. The present disclosure can be applied for intelligent services based on 5G communication technology and IoT related technology (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like). A method for determining an uplink transmission resource of a wireless communication system comprises the steps of: obtaining one or more of first distance information between a first base station supporting a first communication system and a terminal supporting the first communication system, and second distance information between a second base station supporting a second communication system and the terminal; and determining a frequency resource and transmission power for uplink signal transmission of the first terminal based on one or more of the obtained first distance information and second distance information.

Method and apparatus for determining transmission resource and transmission power in wireless communication system

Disclosed is a method and apparatus for transmitting information in a communication system. The present invention relates to a millimeter wave beamforming-based 5G or pre-5G wireless communication system for supporting a higher data rate beyond a 4G network or LTE system. A method according to the present invention comprises the steps of: determining the number of blocks and a window size for configuring a transmission period for sliding window superposition coding (SWSC); transmitting control information including the determined number of blocks and window size to a plurality of terminals participating in the SWSC; transmitting, in a first block within the transmission period, a signal in which a first message and a second message are superposition-coded by first and second codes; and when a message notifying that the first message is not successfully decoded is received, transmitting, in a second block, a signal in which the second message and the first message are superposition-coded by the first and second codes.

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

A method transmits control information in a wireless communication system. The method includes transmitting a first carrier signal including first control information; and transmitting a second carrier signal including at least one of second control information and data. The first control information is information indicating whether the second control information is carried on the second carrier signal, and the second control information is scheduling information for the data, and is generated to correspond to the first control information.

Method and apparatus for transmitting and receiving control information in wireless communication system

Disclosed is a method and device for transmitting and receiving a signal by using modulation techniques in a wireless communication system. The method according to the present invention includes: selecting one of QAM and improved QAM according to at least one predefined criterion; encoding information bits to be transmitted according to a first encoding scheme and mapping encoded information bits to QAM symbols when the QAM is selected; encoding information bits to be transmitted according to a second encoding scheme and mapping encoded information bits to improved QAM symbols when the improved QAM is selected; and transmitting the QAM symbols or the improved QAM symbols through a given resource region.

Method and device for transmitting and receiving signal by using modulation techniques in wireless communication system

A method for operating a random access channel (RACH) by a base station (BS) performing beamforming with at least one receive chain includes broadcasting RACH configuration information; and receiving an RACH signal with at least one receive chain, wherein the RACH configuration information includes threshold information to divide an RACH groups into a first group and a second group. A BS for operating a RACH by performing beamforming with at least one receive chain in a communication system, the BS comprising a controller configured to broadcast RACH configuration information and control at least one receive chain to receive an RACH signal, wherein the RACH configuration information includes threshold information to divide RACH groups into a first group and a second group. Other embodiments including a user equipment are also disclosed.

Method and apparatus for transmitting or receiving RACH signal in beamforming system

A communication method and apparatus using analog and digital hybrid beamforming are provided. The method includes receiving a first message including a measurement and selection condition for hybrid beamforming from a Base Station (BS), measuring channels of a plurality of BS transmission beams, selecting at least one BS transmission beam based on channel measurements, transmitting report information about the selected at least one BS transmission beam to the BS, receiving from the BS a second message, estimating an effective channel matrix for the selected final BS transmission beam according to the measurement and report condition, determining feedback information for digital beamforming of the BS based on the effective channel matrix, transmitting the determined feedback information to the BS, and receiving a data burst from the BS according to a Multiple Input Multiple Output (MIMO) mode and/or a configuration scheduled based on the feedback information.

Communication method and apparatus using analog and digital hybrid beamforming

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Suwon-si, South Korea

Jae-Weon Cho