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公开(公告)号：US10305551B2
公开(公告)日：2019-05-28
申请号：US15466274
申请日：2017-03-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sang-Wook Suh
IPC: H04B7/0426 , H04B7/0452 , H04B7/06 , H04B7/08 , H04B17/336
Abstract: 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 a long term evolution (LTE). A method for receiving transmission beam (Tx beam) information by a user equipment (UE) in a communication system supporting a multi-user multi-input multi-output (MU-MIMO) scheme is provided. The method includes transmitting information on a selected Tx beam to a base station (BS), and receiving Tx beam information including information for a Tx beam selected by at least one UE other than the UE from the BS.
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2.发明授权公开(公告)号：US09077400B2
公开(公告)日：2015-07-07
申请号：US14069322
申请日：2013-10-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sang-Wook Suh , Chan-Hong Kim
CPC classification number: H04B7/0413 , H04J11/0033 , H04L27/2626 , H04L27/2647
Abstract: A method for supporting Interference Alignment (IA) in a wireless communication system includes multiplying a plurality of input symbols by precoding vectors for Interference Alignment (IA) to generate a plurality of signal vectors, mapping the signal vectors to subcarriers having unequal spacings to perform Inverse Fast Fourier Transform (IFFT), in which each signal element of the signal vector is mapped to two subcarriers among the subcarriers, converting the IFFT-transformed signal into a wireless signal and transmitting the wireless signal from a first transmitter to a receiver, and transmitting, to the receiver, information regarding precoding vectors used in the first transmitter and in second and third transmitters that communicate using the same frequency resource as the first transmitter for the IA.
Abstract translation: 一种用于支持无线通信系统中的干扰对准（IA）的方法包括：通过用于干扰对准（IA）的预编码矢量乘以多个输入符号以产生多个信号向量，将信号矢量映射到具有不等间距的子载波以执行反向 快速傅立叶变换（IFFT），其中信号矢量的每个信号元素被映射到子载波之间的两个子载波，将IFFT变换的信号转换成无线信号，并将无线信号从第一发射机发送到接收机，并且发射 向接收机提供关于在第一发射机和第二和第三发射机中使用的预编码向量的信息，所述第二和第三发射机使用与用于IA的第一发射机相同的频率资源进行通信。
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公开(公告)号：US10056928B2
公开(公告)日：2018-08-21
申请号：US14825017
申请日：2015-08-12
Inventor： Myung-Gil Kang , Wan Choi , Dae-Kyu Shin , Sang-Wook Suh
CPC classification number: H04B1/126
Abstract: 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 a Long Term Evolution (LTE). A method for controlling interference in a signal transmitting apparatus in a mobile communication system is provided. The method includes transmitting data to a first signal receiving apparatus using a plurality of channels; receiving information indicating whether at least one of the plurality of channels exists as an interference channel in a second signal receiving apparatus from the second signal receiving apparatus; receiving interference control information for controlling interference for the second signal receiving apparatus from the second signal receiving apparatus based on the received information, and generating interference control data based on the interference control information; and transmitting the interference control data to the first signal receiving apparatus.
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4.发明授权公开(公告)号：US09713098B2
公开(公告)日：2017-07-18
申请号：US14560569
申请日：2014-12-04
Applicant: Samsung Electronics Co., Ltd. , Industry-Academic Cooperation Foundation, Yonsei University
Inventor： Beomju Kim , Sang-Wook Suh , Daesik Hong , Sung-Mook Lim , Wonsuk Chung
IPC: H04L12/50 , H04W52/24 , H04B7/0452 , H04W52/14 , H04W52/36
CPC classification number: H04W52/243 , H04B7/0452 , H04W52/146 , H04W52/367
Abstract: An apparatus and method for performing uplink scheduling in a Multiple-Input Multiple-Output (MIMO) system are provided. The method includes selecting User Equipments (UEs) as members of at least one user set for simultaneous transmission from among UEs from which channel information is received, using the channel information, and generating a power control value for each of the at least one user set and transmitting the power control value to UEs of the user set. The at least one user set includes a second user set including UEs selected according to interference that the UEs cause to a first user set from among remaining UEs unselected for the first user set, the first user set including UEs selected in a descending order of reception power from among the UEs from which the channel information is received.
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5.发明授权公开(公告)号：US10476727B2
公开(公告)日：2019-11-12
申请号：US15743496
申请日：2016-07-27
Inventor： Woo-Wan Wang , Hyeon-Cheol Park , Seung-Chan Lim , Sang-Wook Suh
IPC: H04L27/34 , H04L25/03 , H04B7/0452 , H04B7/0456 , H04L5/00 , H04J13/00
Abstract: Disclosed is a 5G or pre-5G communication system to be provided so as to support a data transmission rate higher than that of a 4G communication system such as long term evolution (LTE). According to the present disclosure, a method for transmitting a signal in a communication system supporting multi-user access comprises the steps of: transmitting, to a receiving device, information indicating a codebook formed on the basis of at least two signal constellations for sparse code multiple access (SCMA) transmissions; and transmitting signals on the basis of the codebook, wherein the at least two signal constellations are generated on the basis of energy values of symbols of a pre-given mother signal constellation and sizes of the symbols of the mother signal constellation.
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Patent Agency Ranking
公开(公告)号：US10122425B2
公开(公告)日：2018-11-06
申请号：US15176772
申请日：2016-06-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sang-Wook Suh
IPC: H04B7/04 , H04B7/0426 , H04B7/0452 , H04B7/06 , H04B7/08 , H04B17/336
Abstract: 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 a long term evolution (LTE). A method for receiving transmission beam (Tx beam) information by a user equipment (UE) in a communication system supporting a multi-user multi-input multi-output (MU-MIMO) scheme is provided. The method includes transmitting information on a selected Tx beam to a base station (BS), and receiving Tx beam information including information for a Tx beam selected by at least one UE other than the UE from the BS.
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7.发明授权公开(公告)号：US10103800B2
公开(公告)日：2018-10-16
申请号：US14842636
申请日：2015-09-01
Inventor： Myung-Gil Kang , Wan Choi , Dae-Kyu Shin , Sang-Wook Suh
IPC: H04B7/06 , H04W16/28 , H04B7/0408 , H04B7/022
Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-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. Disclosed are a method and an apparatus for performing adaptive beam hopping in a multi-cell multi-user communication system. The method includes: making a request for allowing multiple accesses for beam hopping for a predetermined operation time to a plurality of accessible base stations (BSs); receiving a response to the request from two or more BSs among the plurality of BSs and determining, according to a predetermined reference, beams above the reference among transmission beams of the two or more BSs as available beams; determining a beam hopping pattern based on the determined available beams and transmitting the determined hopping pattern to the two or more BSs; and forming reception beams based on the determined beam hopping pattern to receive signals.
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8.发明授权Method and apparatus for operating a non-orthogonal multiple access scheme in multiuser beamforming system 有权在多用户波束成形系统中操作非正交多路访问方案的方法和装置公开(公告)号：US09584206B2
公开(公告)日：2017-02-28
申请号：US14257414
申请日：2014-04-21
Applicant: Samsung Electronics Co., Ltd. , Industry-Academic Cooperation Foundation, Yonsei University
Inventor： Beomju Kim , Sang-Wook Suh , Daesik Hong , Sung-Mook Lim , Hyung-Jong Kim
CPC classification number: H04B7/0626 , H04B7/0452
Abstract: A frequency-efficient antenna operation method is provided in a multiuser beamforming system. The method includes determining channel correlations and channel gain differences between channels using channel information received from multiple terminals, classifying the multiple terminals into at least one or more clusters using the channel correlations and channel gain differences, selecting a beamforming vector for each of the one or more clusters using the channel information of at least one or more terminals in the one or more clusters, allocating power to the terminals in each of the one or more clusters, and forming a beam based on the allocated power and the selected beamforming vector. According to the method, interference due to sharing space resources may be reduced and more efficient data communication may be achieved.
Abstract translation: 在多用户波束形成系统中提供频率效率高的天线操作方法。 该方法包括使用从多个终端接收的信道信息来确定信道相关性和信道增益差异，使用信道相关性和信道增益差将多个终端分类为至少一个或多个簇，为每个终端中的每一个选择波束形成向量 使用所述一个或多个集群中的至少一个或多个终端的信道信息的更多的集群，为所述一个或多个集群中的每个集群中的终端分配功率，以及基于所分配的功率和所选择的波束形成向量来形成光束。 根据该方法，可以减少由共享空间资源引起的干扰，并且可以实现更有效的数据通信。
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9.发明申请METHOD AND APPARATUS FOR ADAPTIVE BEAM HOPPING IN MULTI CELL MULTI USER COMMUNICATION SYSTEM 审中-公开用于多单元多用户通信系统中自适应光束的方法和装置公开(公告)号：US20160065294A1
公开(公告)日：2016-03-03
申请号：US14842636
申请日：2015-09-01
Inventor： Myung-Gil Kang , Wan Choi , Dae-Hyu Shin , Sang-Wook Suh
CPC classification number: H04B7/0695 , H04B7/022 , H04B7/0408 , H04B7/0617 , H04W16/28
Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-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. Disclosed are a method and an apparatus for performing adaptive beam hopping in a multi-cell multi-user communication system. The method includes: making a request for allowing multiple accesses for beam hopping for a predetermined operation time to a plurality of accessible base stations (BSs); receiving a response to the request from two or more BSs among the plurality of BSs and determining, according to a predetermined reference, beams above the reference among transmission beams of the two or more BSs as available beams; determining a beam hopping pattern based on the determined available beams and transmitting the determined hopping pattern to the two or more BSs; and forming reception beams based on the determined beam hopping pattern to receive signals.
Abstract translation: 本公开涉及用于利用物联网（IoT）技术来融合第五代（5G）通信系统以用于支持超过第四代（4G）系统的更高数据速率的通信方法和系统。 本发明可以应用于基于5G通信技术和智能家居，智能建筑，智能城市，智能汽车，连接汽车，医疗保健，数字教育，智能零售，安全和智能汽车的IoT相关技术的智能服务， 安全服务。 公开了一种在多小区多用户通信系统中执行自适应跳频的方法和装置。 该方法包括：向多个可访问基站（BS）发出允许用于波束跳跃的多次访问以达到预定操作时间的请求; 从所述多个BS中的两个或更多个BS接收对所述请求的响应，并且根据预定参考，将所述两个或更多个BS的发射波束之中的参考信号确定为可用波束; 基于所确定的可用波束确定波束跳变模式，并将所确定的跳频模式发送到所述两个或更多个BS; 以及基于所确定的跳频图案形成接收波束以接收信号。
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10.发明申请公开(公告)号：US20140119465A1
公开(公告)日：2014-05-01
申请号：US14069322
申请日：2013-10-31
Applicant: Samsung Electronics Co., Ltd
Inventor： Sang-Wook Suh , Chan-Hong Kim
IPC: H04B7/04
CPC classification number: H04B7/0413 , H04J11/0033 , H04L27/2626 , H04L27/2647
Abstract: A method for supporting Interference Alignment (IA) in a wireless communication system includes multiplying a plurality of input symbols by precoding vectors for Interference Alignment (IA) to generate a plurality of signal vectors, mapping the signal vectors to subcarriers having unequal spacings to perform Inverse Fast Fourier Transform (IFFT), in which each signal element of the signal vector is mapped to two subcarriers among the subcarriers, converting the IFFT-transformed signal into a wireless signal and transmitting the wireless signal from a first transmitter to a receiver, and transmitting, to the receiver, information regarding precoding vectors used in the first transmitter and in second and third transmitters that communicate using the same frequency resource as the first transmitter for the IA.
Abstract translation: 一种用于支持无线通信系统中的干扰对准（IA）的方法包括：通过用于干扰对准（IA）的预编码矢量乘以多个输入符号以产生多个信号向量，将信号矢量映射到具有不等间距的子载波以执行反向 快速傅立叶变换（IFFT），其中信号矢量的每个信号元素被映射到子载波之间的两个子载波，将IFFT变换的信号转换成无线信号，并将无线信号从第一发射机发送到接收机，并且发射 向接收机提供关于在第一发射机和第二和第三发射机中使用的预编码向量的信息，所述第二和第三发射机使用与用于IA的第一发射机相同的频率资源进行通信。
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