Samsung Electronics Co., Ltd.

Namryul Jeon

Daejoong Kim

Jaeyoel Kim

Wonwoo Rhim

Sunguk Huh

Seungbo Yoo

Seungbo Ryu

Hoon Suk Chang

Dongmin Kim

Balgeum Choe

Hanseok Kim

Eunyong Kim

Doyoung Jung

Woojae Kim

Hyojoon Kim

Jicheol Moon

Kwanhee Roh

Ojin Kwon

Wook Hwan Kim

Hyejeong Kim

Seungjoo Maeng

Seunghee Han

Eun Yong Kim

Byungwook Jun

Jaeyun Ko

Daeyoung Seol

Moongyo Bae

Wook Rae Kim

Seungil Oh

Kiback Kim

Zhen Li

Seungkyu Baek

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

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, a method performed by a Distributed Unit (DU) may include: generating configuration information for packets used in uplink data transmission of a plurality of Radio Units (RUs) providing a shared cell, and transmitting the configuration information for packets to an RU among the plurality of RUs through a fronthaul interface. The configuration information for packets may include information for indicating the number of per-packet Physical Resource Blocks (PRBs) for the uplink packets.

Apparatus and method for fronthaul transmission 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). According to embodiments, a method performed by a distributed unit (DU), the method comprises generating a control plane (C-plane) message for multiple ports, the C-plane message including section information and a section extension; and transmitting the C-plane message to a radio unit (RU) via a specific port of the multiple ports. The section information includes information on a beam identifier (ID). The section extension includes beam group type information for indicating a type of beam grouping, and port information for indicating a total number of one or more extended antenna-carrier (eAxC) ports indicated by the section extension.

A method performed by an open radio access network (O-RAN) distributed unit (O-DU) in a wireless communication system, the method includes: generating a control plane message comprising User Equipment (UE) scheduling information; and transmitting the control plane message to an open radio access network (O-RAN) radio unit (O-RU). The control plane message further includes section extension information. The section extension information comprises bit masking information indicating antennas to be combined.

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 handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.

Method and apparatus for performing handover in wireless communication system

According to an embodiment of the present invention, a method by which a base station receives a measurement report in a wireless communication system using a carrier integration technique comprises the steps of: generating a cell list for a second cell according to whether the second cell to be added from a first cell belongs to the same cell group as the first cell; transmitting, to a terminal, a measurement report command including configuration information related to the cell list; and receiving, from the terminal, a measurement report of the second cell on the basis of the configuration information, if the second cell belongs to the same cell group as the first cell.

Method and device for transmitting and receiving measurement report in wireless communication system using carrier aggregation technique

A system and method of generating a control message of a digital unit (DU) of a base station in a wireless communication system supporting lower layer function division, and a system and method of processing a control message of a radio unit (RU) of the base station are provided. The system and method provide an RU of the base station that does not need to analyze the subframe structure in association with other control plane sections, such that processing time and processing complexity can be reduced.

Method and apparatus for transmitting control 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). A method for operating a radio unit (RU) of a base station is provided. The method includes transmitting, to a digital unit (DU), a first message comprising a value indicating the maximum number of masks for one resource area, and receiving, from the DU, a second message generated based on the value, wherein the mask may indicate resources to which the same beam is applied within the resource area.

Apparatus and method for managing resource of radio unit of base station in wireless communication system

The present disclosure relates to a communication method and a system thereof that fuses a 5G communication system, for supporting data transmission rates higher than 4G systems, with IoT technology. The present disclosure can be applied to intelligent services (e.g. smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail, or security and safety related services), on the basis of 5G communication technology and IoT related technology. The present disclosure relates to a method and a device for separating physical layer functions of a base station.

Method for separating physical layer functions in wireless communication system

The present disclosure relates to a 5th (5G) generation) or pre-5G communication system for supporting a higher data transmission rate beyond a 4th (4G) generation communication system such as long term evolution (LTE). An operating method of a base station in a wireless communication system according to various embodiments of the present disclosure includes generating at least one compressed symbol based on modulation compression, transmitting to another base station, control information including position indication information which indicates a position of a subcarrier at which a first subcarrier signal is transmitted in a physical resource block (PRB) to which the at least one compressed symbol is mapped, and power indication information for indicating a transmit power of the first subcarrier signal, and transmitting the at least one compressed symbol to the another base station. Thus, transmission capacity may be optimized, and efficient modulation compression is possible.

According to an embodiment of the present disclosure, a terminal may store a time correction value acquired from an RA response message during an RRC layer connection to a base station, receive, from the base station, an uplink resource allocation message including an uplink resource allocated to the terminal, after the RRC layer connection to the base station is released, and when an RRC layer connection to the base station is determined, establish the RRC layer connection to the base station without transmitting an RA preamble message, on the basis of the stored time correction value and the allocated uplink resource.

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Seoul, South Korea

Namryul Jeon