Samsung Electronics Co., Ltd.

Deutschetelekom Ag

Seungjoo Maeng

Seunghee Han

Joseph Jeon

Eunyong Kim

Chanho An

Byungwook Jun

Jaewon Kang

Myonghee Park

June Moon

Dongwook Choi

Jaroslav Holis

Jinyoung Oh

Jungah Choi

Jeongho Lee

Hanseok Kim

Namryul Jeon

Young-Hyun Jeon

Younjung Kim

Daekyu Shin

Kiho Cho

Seho Kim

Chulhee Jang

Myungkwang Byun

Ik-Beom Lee

Kyuho Han

Hojoong Kwon

Youngky Kim

Yongsang Kim

Jaeyun Ko

Daewoo Lee

Youngsung Kho

Jungmin Choi

Jeewoong Kang

Kiseob Hong

Eunhyun Kwon

Myoungwon Lee

Neung Hyung Lee

Heekwang Lee

Jinhyuk Lee

Eunseok Ko

Myounghee Jung

Dackyu Shin

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

Provided are a base station which processes a plurality of cells in a wireless communication system and an operation method of the base station. The operation method of the base station which processes a plurality of cells includes pooling a processing power of a first processor that processes a signal of a first cell and a processing power of a second processor that processes a signal of a second cell, and distributing the processing powers to the first processor and the second processor and processing, by the first processor and the second processor, the signal of the first cell and the signal of the second cell by using the distributed processing powers.

Base station for processing plurality of cells in wireless communication system and operating method thereof

The present disclosure relates to a communication technique for convergence of a 5G communication system for supporting a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The present disclosure can be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, health care, digital education, retail business, security and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology. A communication method of a terminal in a mobile communication system according to an embodiment of the present specification comprises the steps of: acquiring cell-related information corresponding to a first communication mode; acquiring cell-related information corresponding to a second communication mode; receiving a first message through the second communication mode; and transmitting a request message corresponding to the first communication mode on the basis of the first message.

Method and device for controlling state of terminal in mobile communication system

The present invention relates to a method and an apparatus for applying wireless resources in order to control inter-cell interference in a heterogeneous network system. The method for applying wireless resources provided by the present invention generates an almost blank subframe (ABS) pattern on the basis of the type of data transmitted from at least one of a first base station and a second base station, applies a non-ABS or an ABS to wireless resources of the first base station according to the generated ABS pattern, and performs data communication by using the wireless resources to which the ABS has been applied.

Method and apparatus for applying resources in heterogeneous network system

The present disclosure provides methods and apparatuses for transmitting data, by a base station, in an unlicensed frequency. A method according to a representative embodiment includes: transmitting a first signal for determining whether a data transmission is possible in an unlicensed frequency band; transmitting a second signal for reserving a data transmission in the unlicensed frequency band when the data transmission in the unlicensed frequency band is possible; and transmitting first data to a terminal through the unlicensed frequency band after transmitting the second signal. In an aspect, the base station determines whether other communication devices do not use the unlicensed frequency band, and transmits a channel reservation signal having a period shorter than a resource allocation period during a predetermined period of time, thereby pursuing coexistence with other communication devices and improving the performance of a communication system at the same time.

Method and apparatus for transmitting data in wireless communication system

The present disclosure relates to a communication technique and system thereof that fuse a 5G communication system with IoT technology for supporting a higher data rate than a 4G system. The present disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail, security and safety related services, etc.) on the basis of 5G communication technology and IoT related technology. A method for controlling a base station according to one embodiment of the present invention may comprise the steps of: generating a first packet including data to be transmitted to a terminal on an unlicensed band; determining whether a channel sensing for using the unlicensed band is completed when the generation of the first packet is completed; and as a result of the determination, when the channel sensing for using the unlicensed band is not completed, omitting a transmission of the first packet.

Base station and method for controlling same in wireless communication system

The present invention relates to a method and an apparatus for an inter-cell load distribution and interference mitigation in a wireless communication system, and the inter-cell load distribution method by a first base station in a heterogeneous network wireless communication system including the first base station and a second base station for solving the above-described problem, comprises the steps of: setting a reserved area for the second base station so as to distribute an inter-cell load; and managing a terminal according to the reserved area.

Method and apparatus for inter-cell load distribution and interference mitigation in wireless communication system

The disclosure relates to a 5G or pre-5G communication system for supporting higher data transmission rates than 4G communication systems such as LTE systems. According to the disclosure, a method for performing beamforming by a base station in a wireless communication system comprises obtaining transmission time proportions allocated to a plurality of beam directions and performing beamforming to send control information in the plurality of beam directions based on the obtained transmission time proportions. A base station configured to perform beamforming in a wireless communication system, includes a transceiver configured to perform beamforming communication with a UE, and a processor configured to obtain transmission time proportions allocated to each of a plurality of beam directions, and control beamforming for sending control information based on the obtained transmission time proportions.

Method and device for controlling beamforming transmission

A cell configuration method of a base station in a mobile communication system supporting Carrier Aggregation (CA) which includes configuring a first cell consisting of at least two sectors formed with different antennas to a terminal, configuring a second cell consisting of at least two sectors formed with different antennas to the terminal, and communicating with the terminal through the first and second cells, wherein one of the first and second cells consists of sectors using same Physical Cell Identifier (PCID) and the other consists of sectors using different PCIDs.

Method and apparatus for communication using a plurality of cells in a wireless communication system

The disclosure is related 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). The disclosure is related to a precoding/beamforming using a massive antenna. A method for operating a base station in a wireless communication system includes transmitting vertical reference signals and horizontal reference signals that are generated based on an interference relation between terminals, receiving long-term channel information determined by using the vertical reference signals and the horizontal reference signals, transmitting group-specific reference signals beamformed by a first beamformer generated based on the long-term channel information, receiving short-term channel information determined by using the group-specific reference signals, and transmitting a data signal beamformed by a second beamformer generated based on the short-term channel information.

Apparatus and method for performing precoding in wireless communication system using massive antenna

The present invention relates to a method for transmitting data by a base station in a wireless communication system supporting carrier aggregation, comprising the steps of: confirming whether a condition for data transmission distribution is satisfied; if the condition is satisfied, determining respective radio link control (RLC) data to be allocated to the base station and another base station, and sequence numbers for the RLC data; and transmitting the RLC data allocated to the other base station and the sequence numbers. However, the present invention is not limited to the embodiment above and other embodiments are possible.

Method and apparatus for transmitting data in wireless communication system supporting carrier aggregation

The present invention provides a cell configuration method of a base station in a mobile communication system supporting Carrier Aggregation (CA) which includes configuring a first cell consisting of at least two sectors formed with different antennas to a terminal, configuring a second cell consisting of at least two sectors formed with different antennas to the terminal, and communicating with the terminal through the first and second cells, wherein one of the first and second cells consists of sectors using same Physical Cell Identifier (PCID) and the other consists of sectors using different PCIDs.

The present 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 of operating a base station for interference cancellation in a wireless communication system is provided. The method may include receiving, from a target terminal, an uplink data signal including at least one interference signal generated by at least one interference terminal; performing a primary decoding for the uplink data signal; in accordance with decoding errors, generating a cancelling signal corresponding to an interference signal of the at least one interference terminal; performing a cancellation by applying the cancelling signal to the uplink data signal; and performing a secondary decoding for the uplink data signal to which the cancelling signal has been applied.

Interference cancellation method and base station apparatus therefor

A method and an apparatus for controlling coverage of a base station in a wireless communication system are provided. The method includes determining a coverage control target terminal among terminals within a service radius of the base station and increasing a coverage of the coverage control target terminal.

Method and apparatus for controlling uplink coverage in wireless communication system

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Seongnam-si, South Korea

Seungjoo Maeng