Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Postech Academy-industry Foundation

Eunyong Kim

Yohan Kim

Soenghun Kim

Jianzhong Zhang

Joseph Jeon

Chulhee Jang

Byungwook Jun

Jaewon Kang

Hyunseok Ryu

Jaewon Kim

Hyunkyu Yu

Hyunil Yoo

Jungmin Moon

Dongkyu Lee

Kiwon Kim

Hyukmin Son

Jeehwan Noh

Seunghee Han

Namryul Jeon

Hwajin Cha

Younghyun Jeon

Changsik Lee

Daejoong Kim

Yunseok Choi

Sangil Park

Song Chong

Shuangfeng Han

Hayoul Jung

Seungjoo Maeng

Jungmin Choi

Kyungho Park

Suhyun Kim

Heewon Kang

Namyoon Lee

Jinchul Choi

Boram Namgoong

Okyoung Choi

Hojoong Kwon

Jin Sagong

Jaedong Yang

Hyoyol Park

Balgeum Choe

Daeyoung Seol

Seungbo Ryu

Eunhyun Kwon

Youngkwan Choi

Jiwook Choi

Jeheon Park

Jamin Goo

Clerckx Bruno

Soomin Ko

Junghee Yeo

Myoungwon Lee

Kwangjin Ahn

Youngha Cho

Saeah Oh

Zhen Wang

Yunseo Nam

Hoonkyung Cho

Seonghoon You

Younghan Nam

The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4(4G) communication system such as long term evolution (LTE). According to a various embodiments of the present disclosure, a base station in a wireless communication system may comprise the steps of: acquiring, in a first time interval, channel information of a downlink channel with a terminal; on the basis of the unscented Kalman filter, acquiring current channel state information from previous state information and the channel information; and generating, from the current channel state information, predicted channel information in a second time interval.

Device and method for estimating channel in wireless communication system

A method performed by a user equipment (UE) in a wireless communication system includes transmitting a UE capability information message to a base station, the UE capability information message including information for indicating that a multi-beam operation for multi-transmission and reception point (TRP) is supported and information for indicating that a simultaneous reception for different beams is supported, receiving a first control signal for first data on a first physical downlink control channel (PDCCH) associated with a first TRP, the first control signal transmitted by using a primary beam, and receiving second control signal for second data on a second PDCCH associated with a second TRP, the second control signal transmitted by using a secondary beam. The first data and the second data are received in same time resources.

Apparatus and method for transmitting or receiving signal using beamforming in wireless communication system

The present disclosure relates to a method for controlling interference measurement by an interference measurement control device, the method comprising the steps of: calculating distance information between a transmission side transmitting a reference signal for interference measurement and a reception side receiving the reference signal; calculating, on the basis of the distance information, signal delay information related to a delay time required until the reference signal transmitted from the transmission side arrives at the reception side; and determining control information for the transmission side or the reception side on the basis of the signal delay information.

Method and apparatus for interference measurement in wireless communication system

The present disclosure is related to a 5generation (5G) or pre-5G communication system to be provided to support a higher data transmission rate since 4generation (4G) communication systems like long-term evolution (LTE). A method for generating beam measurement information of user equipment (UE) is provided. The method of UE includes receiving a first reference signal from a base station, requesting a transmission of a second reference signal when a result of measuring the first reference signal satisfies a predetermined condition, receiving the second reference signal, and generating a measurement result based on the second reference signal.

Method and apparatus for generating beam measurement information in a wireless communication system

A method and an apparatus for an inter-cell load balance in a wireless communication system are provided. The method of an inter-cell load balance of a first base station in a heterogeneous network wireless communication system including the first base station and a second base station includes configuring a first reserve area for the second base station, for the inter-cell load balance and controlling an inter-base station load balance according to the first reserve area.

Method and apparatus for inter-cell load balance in wireless communication system

To solve the problem wherein a terminal cannot perform data communication from a network from the time point of a terminal receiving a handover command (HO command) message from a base station controlling a source cell to the time point of a terminal receiving a handover complete (HO complete) message from a base station controlling a target cell, after the terminal transmits the handover command message to the base station controlling the source cell, the base station controlling the source cell transmits to the base station controlling the target cell whether or not the terminal supports a function of reducing the interruption time of data transfer, the terminal continues to perform data transmission/reception with the base station controlling the source cell, and after the terminal completes a random access procedure with the base station controlling the target cell, the base station controlling the source cell transmits an additional sequence number status transfer message to the base station controlling the target cell.

Method and apparatus for minimizing interruption time of data transfer on handover in wireless communication network

Disclosed are a method and an apparatus for channel quality estimation in consideration of interference control and coordinated communication in a cellular system. A base station receives an SRS transmitted by a terminal to thus measure received power, and then configures, for the terminal, a CSI process which may measure SINRs for base stations having higher SRS received power. If the terminal feeds back, to the base station, channel quality information for the configured CSI process, the base station determines an SINR and a MCS to be applied to data transmission in consideration of a received CQI and a CoMP transmission scheme, and applies the determined SINR and MCS to thus transmit data.

Method and apparatus for channel quality estimation in consideration of interference control and coordinated communication in cellular 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 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). In a wireless communication system, a base station apparatus may include at least one transceiver, and at least one processor operatively coupled with the at least one transceiver. The at least one transceiver may transmit, to a terminal, configuration information associated with a primary beam and a secondary beam. The processor may determine the primary beam and the secondary beam based on feedback information regarding beams of the base station, received from the terminal. The at least one transceiver may be configured to transmit, to the terminal, indication information for identifying the primary beam and the secondary beam, perform communication with the terminal by using the primary beam, and perform communication with the terminal by using the primary beam and the secondary beam based on a determination of a change of a communication state for the primary beam.

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 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). In a feedback method of a terminal, receiving a first subframe from a base station, detecting, from the first subframe, downlink control information (DCI) including transmission timing information and frequency resource information for feedback, creating feedback information for data decoding of the first subframe to be transmitted in a second subframe determined based on the DCI, and transmitting the feedback information, based on a time resource indicated from the transmission timing information and a frequency resource indicated from the frequency resource information in the DCI.

Method and apparatus for transmitting and receiving feedback in wireless communication system

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate beyond a 4G communication system such as LTE. The present invention relates to a method for guaranteeing quality of service in a wireless communication system. More particularly, a method of a base station according to an embodiment of the present invention comprises the steps of: identifying at least one non-Guaranteed bit rate (GBR) bearer configured for an arbitrary communication device; determining whether to guarantee a specific bit rate to the non-GBR bearer, on the basis of at least one of QoS class identifier (QCI) information, allocation and retention priority (ARP) information, and subscriber profile identifier (SPID), which are received from a core network node for the non-GBR bearer; and performing scheduling for the non-GBR bearer on the basis of the determination.

Method and apparatus for guaranteeing quality of service in wireless communication system

A method for a terminal mitigating interference in a wireless communication system according to an embodiment of the present invention comprises the steps of: receiving a first message having a previously configured pattern from a serving base station communicating cooperatively to control interference with at least one adjacent base station; triggering a common reference signal (CRS) interference mitigation function of the terminal in response to the first message in order to mitigate interference due to a CRS transmitted from the at least one adjacent base station; and cancelling interference due to the CRS on the basis of the CRS interference mitigation function, and receiving data.

Method and apparatus for mitigating interference in wireless communication system

A pre-5-Generation (5G) or 5G communication system is provided for supporting higher data rates than in 4-Generation system. An apparatus of a base station includes: at least one transceiver and at least one processor operatively connected to the transceiver. The transceiver receives channel quality information from a terminal. The processor obtains a first modulation and coding scheme (MCS) level and a number of first resource blocks based on the channel quality information, determines a power boosting value for applying a second MCS level indicating a higher modulation order or a higher code rate than the first MCS level, obtains, based on the power boosting value, a number of second resource blocks corresponding to a transport block size (TBS) value greater than a TBS value corresponding to the number of the first resource blocks in the first MCS level and transmits downlink data based on these determinations.

Apparatus and method for allocating resources in wireless communication system

Growing community of inventors

Yongin-si, South Korea

Eunyong Kim