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公开(公告)号：US10595335B2
公开(公告)日：2020-03-17
申请号：US15573753
申请日：2016-10-31
Inventor： Hoi Yoon Jung , Jung Sun Um , Sung Jin Yoo , Seung Keun Park
Abstract: A scheduling method for a communication network supporting an unlicensed band is disclosed. An operation method of UE comprises the steps of: receiving, from a base station, an unlicensed band burst including a plurality of subframes in an unlicensed band; acquiring control information from the unlicensed band burst; and acquiring data from the unlicensed band burst on the basis of the control information. Therefore, the performance of the communication network can be improved.
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公开(公告)号：US10135594B2
公开(公告)日：2018-11-20
申请号：US15234278
申请日：2016-08-11
Inventor： Hoi Yoon Jung , Sung Jin Yoo , Jung Sun Um , Seung Keun Park
Abstract: Disclosed is a scheduling method for a communication network supporting an unlicensed band. An operation method of a user equipment (UE) may comprise obtaining a control channel from a partial subframe having a length of less than 1 millisecond in an unlicensed band; obtaining scheduling information from the control channel; and obtaining a data channel indicated by the scheduling information from the partial subframe. Therefore, performance of the communication network can be enhanced.
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公开(公告)号：US09814093B2
公开(公告)日：2017-11-07
申请号：US14597482
申请日：2015-01-15
Inventor： Jung Sun Um , Hoi Yoon Jung , Byung Jang Jeong , Sung Jin Yoo , Jae Ick Choi
CPC classification number: H04W84/12 , H04B7/2656 , H04L5/0048 , H04L5/14 , H04W16/14 , H04W56/001
Abstract: Provided are a data frame structure of a wireless communication system, which follows a sharing protocol which may be operated to coexist with a system that operates in an unlicensed spectrum, such as a WiFi system, and the like in the wireless communication system using a licensed spectrum such as an LTE system and an operation method of the system, and a terminal and a device of a base station for the operation.
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公开(公告)号：US09288090B2
公开(公告)日：2016-03-15
申请号：US14599640
申请日：2015-01-19
Inventor： Hoi Yoon Jung , Jung Sun Um , Byung Jang Jeong , Jae Ick Choi
IPC: H04L27/00
CPC classification number: H04L27/0006
Abstract: The present disclosure relate to a spectrum sensing method and a spectrum sensing device. The spectrum sensing method includes: (a) sampling a received signal: (b) calculating a first operation value relating to a strength of the received signal based on the sampled signal; (c) searching for a first frequency band having the largest correlation with an input signal based on the sampled signal; (d) calculating a first residual component signal by removing a signal component in the first frequency band from the received signal; (e) calculating a second operation value relating to a strength of the first residual component signal; and (f) determining whether the frequency band occupied in the received signal is present based on a relative value of the first operation value and the second operation value.
Abstract translation: 本公开涉及一种频谱感测方法和频谱感测装置。 频谱感测方法包括：（a）对接收信号进行采样;（b）基于采样信号计算与接收信号的强度有关的第一操作值; （c）基于采样信号搜索与输入信号具有最大相关性的第一频带; （d）通过从接收信号中去除第一频带中的信号分量来计算第一残差分量信号; （e）计算与第一残差分量信号的强度相关的第二运算值; 以及（f）基于第一操作值和第二操作值的相对值来确定接收信号中占用的频带是否存在。
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15.发明授权Signal compression apparatus and method for dynamic compressive sensing using sparsity information of input signal 有权使用输入信号稀疏信息的信号压缩装置和动态压缩感测方法公开(公告)号：US08879672B2
公开(公告)日：2014-11-04
申请号：US13777121
申请日：2013-02-26
Inventor： Hoi Yoon Jung , Sun Min Lim , Jae Hyun Park , Byung Jang Jeong
CPC classification number: H03M7/46 , H03M7/3062
Abstract: Disclosed are a signal compression apparatus and method for dynamic compressive sensing, including: a signal input unit configured to simultaneously output an input signal, and generate and output a linear measurement reference signal based on the input signal; a linear transform unit configured to receive the linear measurement reference signal and variably generate a linear measurement matrix value according to the linear measurement reference signal; a signal compressor configured to output a compressed signal for the input signal based on the generated linear measurement matrix value; and a signal processor configured to reconstruct the compressed signal and perform spectrum sensing of the input signal. Accordingly, it is possible to increase signal compression efficiency of compressive sensing and improve signal reconstruction performance by using sparsity information of the input signal, and also by performing signal compression by using a compression matrix suitable for the sparsity information of the input signal.
Abstract translation: 公开了一种用于动态压缩感测的信号压缩装置和方法，包括：信号输入单元，被配置为同时输出输入信号，并且基于输入信号生成并输出线性测量参考信号; 线性变换单元，被配置为接收线性测量参考信号，并根据线性测量参考信号可变地生成线性测量矩阵值; 信号压缩器，被配置为基于所生成的线性测量矩阵值输出用于输入信号的压缩信号; 以及信号处理器，被配置为重构所述压缩信号并执行所述输入信号的频谱感测。 因此，可以通过使用输入信号的稀疏信息来提高压缩感测的信号压缩效率并且通过使用适合于输入信号的稀疏信息的压缩矩阵来执行信号压缩来提高压缩感测的信号压缩效率。
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Patent Agency Ranking
16.发明授权公开(公告)号：US12232133B2
公开(公告)日：2025-02-18
申请号：US17697738
申请日：2022-03-17
Inventor： Hoi Yoon Jung , Sung Ik Park , Nam Ho Hur , Heung Mook Kim , Dong Joon Choi
Abstract: An operation method of a terminal in a communication system may comprise: receiving downlink control information (DCI) for scheduling uplink transmission from a base station; identifying a communication node initiating a channel occupancy time associated with the uplink transmission based on a channel access parameter included in the DCI; and performing the uplink transmission scheduled by the DCI within the channel occupancy time initiated by the communication node, wherein the communication node is the terminal or the base station.
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17.发明公开公开(公告)号：US20240260038A1
公开(公告)日：2024-08-01
申请号：US18631731
申请日：2024-04-10
Inventor： Hoi Yoon Jung , Sung Ik Park , Nam Ho Hur , Seok Ki Ahn , Sung Jun Ahn
IPC: H04W72/1273 , H04L1/1812 , H04L5/00 , H04W72/0446 , H04W72/23 , H04W72/566
CPC classification number: H04W72/1273 , H04L1/1819 , H04L5/0053 , H04W72/0446 , H04W72/23 , H04W72/569
Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, a higher layer message including information indicating that first DCI including a HARQ feedback enabled/disabled indicator is configured; receiving the first DCI from the base station; receiving first downlink data from the base station based on first scheduling information included in the first DCI; and determining whether to transmit a first HARQ response for the first downlink data based on the HARQ feedback enabled/disabled indicator included in the first DCI.
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18.发明授权公开(公告)号：US11985660B2
公开(公告)日：2024-05-14
申请号：US17495568
申请日：2021-10-06
Inventor： Hoi Yoon Jung , Sung Ik Park , Nam Ho Hur , Seok Ki Ahn , Sung Jun Ahn
IPC: H04W72/04 , H04L1/1812 , H04L5/00 , H04W72/0446 , H04W72/12 , H04W72/1273 , H04W72/23 , H04W72/566
CPC classification number: H04W72/1273 , H04L1/1819 , H04L5/0053 , H04W72/0446 , H04W72/23 , H04W72/569
Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, a higher layer message including information indicating that first DCI including a HARQ feedback enabled/disabled indicator is configured; receiving the first DCI from the base station; receiving first downlink data from the base station based on first scheduling information included in the first DCI; and determining whether to transmit a first HARQ response for the first downlink data based on the HARQ feedback enabled/disabled indicator included in the first DCI.
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19.发明授权公开(公告)号：US11917683B2
公开(公告)日：2024-02-27
申请号：US17299556
申请日：2020-02-13
Inventor： Hoi Yoon Jung , Sung Ik Park , Heung Mook Kim , Nam Ho Hur
IPC: H04W74/08 , H04W72/044 , H04W74/00 , H04W72/542
CPC classification number: H04W74/0816 , H04W72/044 , H04W72/542 , H04W74/006 , H04W74/0866
Abstract: A method and an apparatus for transmitting/receiving a signal by using a variable band width in a communication system are disclosed. An operating method of a terminal comprises the steps of: receiving, from a base station, first configuration information about one or more guard bands of an unlicensed band; confirming the one or more guard bands configured in the unlicensed band on the basis of the first configuration information; and confirming a plurality of RB sets configured in the unlicensed band on the basis of the one or more guard bands. Therefore, performance of the communication system can be improved.
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20.发明授权公开(公告)号：US10932294B2
公开(公告)日：2021-02-23
申请号：US15565141
申请日：2016-03-15
Inventor： Jung Sun Um , Sung Jin Yoo , Hoi Yoon Jung , Seung Keun Park
Abstract: The present invention relates to a method for transmitting uplink data in a spectrum sharing wireless communication system wherein, in order to enhance uplink transmission efficiency in an LTE-U service, clear channel assessment (CCA) is performed on a user terminal so as to consider the hidden node problem, and channel occupation based on an uplink signal of another terminal is considered, wherein applied are: a method for generating and transmitting a random backoff counter value at a base station so that all terminals can equally use a channel connection parameter needed for transmitting an uplink subframe in an unlicensed band; and a downlink controlling method for scheduling an uplink multi-subframe.
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