-
公开(公告)号：US11844034B2
公开(公告)日：2023-12-12
申请号：US17390146
申请日：2021-07-30
发明人： Kwonjong Lee , Hakkeon Lee , Insik Jung , Daesik Hong , Hyojin Lee
CPC分类号： H04W56/001 , H04L5/0048 , H04L25/0202 , H04W24/08
摘要： The disclosure relates to post-4th generation (4G) communication systems, such as 5th generation (5G) or 6th generation (6G), which support a higher data rate than the long term evolution (LTE) or 4G communication systems. A method and an apparatus for transmitting and receiving signals in a frequency-asynchronous non-orthogonal multiple access (FA-NOMA) communication system are provided. The method for transmitting a signal by a base station in an FA-NOMA system includes determining a frequency offset to be applied to a first signal transmitted to a first user equipment (UE) based on a second signal transmitted to a second UE, determining information for interference caused by the frequency offset, determining at least one pre-processing factor for the first UE based on the information for the interference, and transmitting a third signal including at least one first pilot to the first UE using the at least one pre-processing factor. The second signal includes at least one second pilot.
-
2.发明授权公开(公告)号：US09973248B2
公开(公告)日：2018-05-15
申请号：US14764086
申请日：2014-01-29
发明人： Younsun Kim , Sooyong Choi , Taehyoung Kim , Kyungsik Min , Jungkyun Park , Juho Lee , Hyojin Lee , Minchae Jung , Hyoungju Ji
IPC分类号： H04B7/04 , H04B7/06 , H04B7/0413 , H04B7/0417
CPC分类号： H04B7/0478 , H04B7/0413 , H04B7/0417 , H04B7/0486 , H04B7/0626 , H04B7/063 , H04B7/0632
摘要： A PSCG feedback-based multi-stream multiuser CQI estimation method and apparatus is provided for estimating multi-stream MU-CQI efficiently based on per-stream channel gain feedback. A feedback information transmission method of a terminal in a wireless communication system according to the present disclosure includes estimating a downlink channel based on a channel state information reference signal transmitted by a base station, determining a number of streams based on the estimated downlink channel, generating the feedback information corresponding to the number of streams, and transmitting the feedback information to the base station.
-
3.发明授权Method and apparatus for exchanging information between base station and terminal 有权用于在基站和终端之间交换信息的方法和装置公开(公告)号：US09455796B2
公开(公告)日：2016-09-27
申请号：US14194492
申请日：2014-02-28
发明人： Younsun Kim , Sooyong Choi , Minchae Jung , Kyuho Hwang , Juho Lee , Hyojin Lee , Hyoungju Ji , Taehyoung Kim , Kyungsik Min , Junggyun Park
CPC分类号： H04L1/0026 , H04B7/0417 , H04B7/0452 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04L1/06 , H04L1/1671 , H04W72/1226
摘要： A method and apparatus of exchanging information on the number of layers which is supported commonly between the base station and the terminals in Multi-User Multiple Input Multiple Output (MU-MIMO) environment is provided for performance enhancement. The communication method of a terminal in a wireless communication system according to the present disclosure includes receiving a reference signal and information on a number of layers supportable simultaneously from a base station, measuring a channel state value based on the reference signal and the number of layers, determining whether the measured channel state value fulfills a minimum required channel state value, and transmitting, when the measured channel state value fulfills the minimum required channel state value, a value determined based on the measured channel state value to the base station.
摘要翻译： 提供了一种在多用户多输入多输出（MU-MIMO）环境中交换基站与终端之间共同支持的层数信息的方法和装置，用于提高性能。 根据本公开的无线通信系统中的终端的通信方法包括：从基站接收参考信号和可同时支持的层数的信息，基于参考信号和层数测量信道状态值 确定所测量的信道状态值是否满足最小所需信道状态值，并且当所测量的信道状态值满足所述最小所需信道状态值时，发送基于所测量的信道状态值对所述基站确定的值。
-
4.发明授权Method and apparatus for transmitting and receiving channel related information 有权用于发送和接收频道相关信息的方法和装置公开(公告)号：US09214993B2
公开(公告)日：2015-12-15
申请号：US14201600
申请日：2014-03-07
发明人： Hyojin Lee , Chungyong Lee , Hoondong Nho , Younsun Kim , Juho Lee , Hyoungju Ji , Sangwon Park , Ilgyu Choi
CPC分类号： H04B7/0456 , H04B7/0617 , H04B7/0619 , H04B7/0639 , H04B7/0658 , H04L25/0204 , H04L25/0228
摘要： The present disclosure relates to a method and an apparatus for transmitting and receiving channel related information. A method of transmitting channel related information of a UE according to an embodiment of the present disclosure includes configuring a sub-channel corresponding to a part of a plurality of antennas of an eNB; acquiring a Channel Estimation Error (CEE) and a Precoding Matrix Indicator (PMI) corresponding to the sub-channel; and transmitting a Sub-channel Indicator (SI) indicating the sub-channel, according to the CEE and the PMI. In accordance with an embodiment of the present disclosure, the channel related information is efficiently transmitted and received in a system in which a plurality of antennas is used.
摘要翻译： 本公开涉及一种用于发送和接收信道相关信息的方法和装置。 根据本公开的实施例的发送UE的信道相关信息的方法包括配置与eNB的多个天线的一部分相对应的子信道; 获取对应于子信道的信道估计误差（CEE）和预编码矩阵指示符（PMI）; 以及根据CEE和PMI发送指示子信道的子信道指示符（SI）。 根据本公开的实施例，信道相关信息在其中使用多个天线的系统中被有效地发送和接收。
-
5.发明申请METHOD AND APPARATUS FOR EXCHANGING INFORMATION BETWEEN BASE STATION AND TERMINAL 有权用于交换基站和终端之间的信息的方法和装置公开(公告)号：US20140241192A1
公开(公告)日：2014-08-28
申请号：US14194492
申请日：2014-02-28
发明人： Younsun Kim , Sooyong Choi , Minchae Jung , Kyuho Hwang , Juho Lee , Hyojin Lee , Hyoungju Ji , Taehyoung Kim , Kyungsik Min , Junggyun Park
CPC分类号： H04L1/0026 , H04B7/0417 , H04B7/0452 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04L1/06 , H04L1/1671 , H04W72/1226
摘要： A method and apparatus of exchanging information on the number of layers which is supported commonly between the base station and the terminals in Multi-User Multiple Input Multiple Output (MU-MIMO) environment is provided for performance enhancement. The communication method of a terminal in a wireless communication system according to the present disclosure includes receiving a reference signal and information on a number of layers supportable simultaneously from a base station, measuring a channel state value based on the reference signal and the number of layers, determining whether the measured channel state value fulfills a minimum required channel state value, and transmitting, when the measured channel state value fulfills the minimum required channel state value, a value determined based on the measured channel state value to the base station.
摘要翻译： 提供了一种在多用户多输入多输出（MU-MIMO）环境中交换基站与终端之间共同支持的层数信息的方法和装置，用于提高性能。 根据本公开的无线通信系统中的终端的通信方法包括：从基站接收参考信号和可同时支持的层数的信息，基于参考信号和层数测量信道状态值 确定所测量的信道状态值是否满足最小所需信道状态值，并且当所测量的信道状态值满足所述最小所需信道状态值时，发送基于所测量的信道状态值对所述基站确定的值。
-
公开(公告)号：US11751017B2
公开(公告)日：2023-09-05
申请号：US17374530
申请日：2021-07-13
发明人： Seunghyun Lee , Hyungje Lee , Hyojin Lee , Chahyeon Eom , Chungyong Lee
IPC分类号： H04W4/029 , H04B17/318 , H04W64/00 , H04W84/06
CPC分类号： H04W4/029 , H04B17/318 , H04W64/006 , H04W84/06
摘要： A method of a base station in a mobile communication system is provided, which includes receiving position information of at least one UE; determining an initial position of a UAV based on the position information; transmitting, to the UAV, control information related to the initial position and association information between the at least one UE and the UAV; receiving, from the UAV, first feature information related to a communication state between the at least one UE and the UAV; and transmitting control information related to a movement position of the UAV based on an output of a reinforced learning network to which the first feature information is input.
-
公开(公告)号：US11595170B2
公开(公告)日：2023-02-28
申请号：US17167689
申请日：2021-02-04
发明人： Kwonjong Lee , Hyojin Lee , Hyungje Lee , Chungyong Lee , Chahyeon Eom , Sanggeun Lee
摘要： In a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE), a method of a first terminal in a wireless communication system is disclosed and may include performing channel measurement, based on one or more first reference signals received from a base station; identifying channel distribution information between the first terminal and the base station, based on the measured channel; selecting one or more representative channel vectors (RCVs), based on the identified channel distribution information; generating one or more constellations corresponding to the selected one or more RCVs; transmitting constellation set information including the generated one or more constellations to the base station; and performing communication with the base station, based on the generated one or more constellations.
-
公开(公告)号：US20210006989A1
公开(公告)日：2021-01-07
申请号：US16918420
申请日：2020-07-01
发明人： Byungju Lee , Chahyeon Eom , Hyojin Lee , Chungyong Lee , Jaehyun Lee , Sanggeun Lee
摘要： 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). The method includes identifying whether a channel forecast value is valid, the channel forecast value being acquired based on applying a learning algorithm to an input comprising channel values estimated based on first reference signals (RSs) received from a base station, transmitting, to the base station, an RS request message for requesting an update of the learning algorithm, based on the determining that the channel forecast value is invalid, receiving, from the base station, second RSs of an RS density determined based on the RS request message, generating an updated learning algorithm based on channel values estimated from the second RSs, and transmitting channel forecast information acquired based on the updated learning algorithm to the base station.
-
公开(公告)号：US09059757B2
公开(公告)日：2015-06-16
申请号：US14201651
申请日：2014-03-07
发明人： Hyoungju Ji , Chanbyoung Chae , Younsun Kim , Juho Lee , Hyojin Lee
CPC分类号： H04B7/0456 , H04B7/0617 , H04B7/0619 , H04B7/0639
摘要： A method and apparatus for transmitting and receiving signals is provided for use in a codebook-based closed-loop multiple antenna system. A method for receiving signals in a codebook-based multiple antenna system according to the present disclosure includes estimating a desired signal and an interference channel, determining a codebook index using the desired channel, a Hermitian of the desired channel, and the interference channel, and feeding back the codebook index to a transmitter. The multi-antenna system of the present disclosure is advantageous in suppressing the interference from other cells and maximizing the gain of the desired signal especially when the number of receive antennas is greater than the reception streams and in designing a codebook with high performance as compared to the Grassmanian codebook and low complexity.
摘要翻译： 提供用于发送和接收信号的方法和装置，用于基于码本的闭环多天线系统。 在根据本公开的基于码本的多天线系统中接收信号的方法包括估计期望的信号和干扰信道，使用期望的信道确定码本索引，期望信道的密码和干扰信道，以及 将码本索引反馈给发射机。 本公开的多天线系统有利于抑制来自其他小区的干扰并最大化期望信号的增益，特别是当接收天线的数量大于接收流并且设计具有高性能的码本时，与 Grassmanian码本和低复杂性。
-
公开(公告)号：US20140254703A1
公开(公告)日：2014-09-11
申请号：US14201651
申请日：2014-03-07
发明人： Hyoungju Ji , Chanbyoung Chae , Younsun Kim , Juho Lee , Hyojin Lee
IPC分类号： H04B7/04
CPC分类号： H04B7/0456 , H04B7/0617 , H04B7/0619 , H04B7/0639
摘要： A method and apparatus for transmitting and receiving signals is provided for use in a codebook-based closed-loop multiple antenna system. A method for receiving signals in a codebook-based multiple antenna system according to the present disclosure includes estimating a desired signal and an interference channel, determining a codebook index using the desired channel, a Hermitian of the desired channel, and the interference channel, and feeding back the codebook index to a transmitter. The multi-antenna system of the present disclosure is advantageous in suppressing the interference from other cells and maximizing the gain of the desired signal especially when the number of receive antennas is greater than the reception streams and in designing a codebook with high performance as compared to the Grassmanian codebook and low complexity.
摘要翻译： 提供用于发送和接收信号的方法和装置，用于基于码本的闭环多天线系统。 在根据本公开的基于码本的多天线系统中接收信号的方法包括估计期望的信号和干扰信道，使用期望的信道确定码本索引，期望信道的密码和干扰信道，以及 将码本索引反馈给发射机。 本公开的多天线系统有利于抑制来自其他小区的干扰并最大化期望信号的增益，特别是当接收天线的数量大于接收流并且设计具有高性能的码本时，与 Grassmanian码本和低复杂性。
-
-
-
-
-
-
-
-
-
搜索结果
188 条记录 (耗时 0.033 秒)
