Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Jaeyun Ko

Suyoung Park

Euichang Jung

Suha Yoon

Sunghyuk Shin

Joseph Jeon

Sungho Lee

Namryul Jeon

Song Chong

Seungjoo Maeng

Seunghee Han

Okyoung Choi

Jungmin Choi

Dongwook Choi

Daeyoung Seol

Kwanhee Roh

Inseok Hwang

The disclosure relates to a pre-5-Generation (5G) or 5G communication system to provide for supporting higher data rates beyond a 4-Generation (4G) communication system. A method performed by a distributed unit (DU) in a wireless communication system is provided. The method includes transmitting one or more data streams of a message of a control plane or a user plane, which correspond to one or more layers, to a radio unit (RU) through a first fronthaul port, and transmitting a data stream corresponding to an access layer, which is the first layer used for connection of a cell among the one or more layers, to the RU through a second fronthaul port configured between the DU and the RU.

Device and method for fronthaul transmission in wireless communication system

Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G communication system, and a system therefor. The disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services, and the like) based on 5G communication technology and IoT-related technology. An operating method of a base station, includes configuring a terminal to perform a serving cell channel measurement for a serving cell and a neighbor cell channel measurement for a neighbor cell, and transmit to the base station a first report of the serving cell channel measurement and a second report of the neighbor cell channel measurement, the configuring including configuring a measurement gap for the neighbor cell, based at least in part on a determination that a first frequency corresponding to the serving cell and a second frequency corresponding to the neighbor cell are different from each other; receiving, from the terminal, the first report based at least in part on the serving cell measurement being performed by the terminal; and receiving, from the terminal, the second report based at least in part on the neighbor cell channel measurement being performed by the terminal.

Mobile communication method and device for broadband system

Provided are a method and device for transmitting and receiving a signal in a wireless communication system. In a wireless communication system according to an embodiment of the present disclosure, a radio unit (RU) is configured to obtain channel information about a plurality of reception paths of the RU, through which signals of at least one user equipment (UE) are received, with respect to each UE, determine a combined weight based on the channel information by using preset mapping information according to the number of the plurality of reception paths and the number of combined paths that are combined from the plurality of reception paths, and transmit a combined signal to a digital unit (DU) through the combined paths, the combined signal being generated as a result of combining the signals received through the plurality of reception paths according to the determined combined weight.

Method and device for transmitting combined signal generated based on determining a combined weight

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. A method for controlling a terminal in a base station of a mobile communication system, according to an embodiment of the present application, comprises the steps of: selecting at least one candidate terminal for offloading; obtaining information on a neighbor cell of at least one of the candidate terminals; obtaining throughput improvement information according to offloading on the basis of information on the candidate terminal and load information of the neighbor cell of the candidate terminal; obtaining information on a target cell corresponding to the candidate terminal on the basis of the throughput improvement information; selecting a target terminal to be offloaded from the candidate terminals on the basis of the throughput improvement information corresponding to the target cell; and transmitting, to the target terminal, a message instructing offloading to the target cell corresponding to the target terminal.

Method and apparatus for selecting carrier in mobile communication system

Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G communication system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present disclosure can be applied to: an operating method of a base station, including the steps of transmitting a synchronization signal (SS) measurement report request to a terminal, receiving, from the terminal, a first measurement report including SS measurement information on a neighboring base station, transmitting to the terminal, a channel state information-reference signal (CSI-RS) measurement report request on the basis of the first measurement report, and receiving, from the terminal, a second measurement report including the CSI-RS measurement information on the neighboring base station, the base station; a terminal communicating with the base station; and an operating method of the terminal.

The present disclosure provides a method and an apparatus for scheduling traffic in a wireless communication system. A method for a base station operating in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving feedback information from a plurality of terminals; and scheduling the plurality of terminals based on the feedback information, wherein the step of scheduling the plurality of terminals includes a step of scheduling so as to reduce throughput of terminals in a first group of the plurality of terminals that are in an overload state, and to satisfy delay-based quality of service (QoS) of terminals in a second group of the plurality of terminals that are in under-load state. As a result, the total utility of all the terminals can be maximized, a delay-based QoS with respect to all the terminals can be achieved on average, and a minimum data rate-based QoS can be achieved on average.

Method and apparatus for scheduling in wireless communication system

A resource allocation method and apparatus for reducing the number of operations required when determining the resource allocation priority in the wireless packet data communication system supporting plural types of resources are provided. The method includes receiving channel quality identifiers from at least one terminal for resource allocation, selecting one of the channel quality identifiers as a representative channel quality identifier per terminal, determining a resource allocation priority of the terminal based on the representative channel quality identifier, and allocating the resource in order of resource allocation priority.

Growing community of inventors

Suwon-si, South Korea

Jaeyun Ko