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11.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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12.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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公开(公告)号：US09686042B2
公开(公告)日：2017-06-20
申请号：US14251300
申请日：2014-04-11
Inventor： Sung Ik Park , Sun Hyoung Kwon , Heung Mook Kim , Nam Ho Hur , Jeong Chang Kim , Jae Hyun Seo , Ho Min Eum
CPC classification number: H04L1/0042 , H04L1/0075 , H04L5/0048 , H04L27/2613 , H04L27/2692 , H04N21/4382 , H04N21/6112 , H04W16/14
Abstract: Disclosed is a method of transmitting, by a transmission device, broadcast signals in a frequency-shared terrestrial broadcast system. The method includes generating the broadcast signals including pilot signals arranged at a physical layer frame based on a group identification (ID) defined according to a broadcast service, and transmitting the generated broadcast signals to a reception device, wherein the positions of the pilot signals arranged at the physical layer frame are different by group IDs.
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14.发明授权Transmitting and receiving apparatus and method for separating multiple broadcast signals in terrestrial cloud broadcast system 有权用于在陆地云广播系统中分离多个广播信号的发射和接收装置和方法公开(公告)号：US09485042B2
公开(公告)日：2016-11-01
申请号：US13907150
申请日：2013-05-31
Inventor： Sung Ik Park , Heung Mook Kim , Nam Ho Hur , Jeong Chang Kim
CPC classification number: H04H20/423 , H04H20/72 , H04H60/07
Abstract: A transmitting and receiving apparatus and method for separating multiple broadcast signals from each other in a terrestrial cloud broadcast system are provided. A terrestrial cloud broadcast signal transmitting apparatus may include a plurality of transmitters for transmitting a plurality of terrestrial cloud broadcast signals, wherein each of the plurality of transmitters includes, an encoder encoding input data to generate a code word and a scrambler scrambling the generated code word using a scramble sequence uniquely allocated for each transmitter so that the plurality of terrestrial cloud broadcast signals are distinguished from each other.
Abstract translation: 提供了一种用于在陆地云广播系统中分离多个广播信号的发送和接收装置和方法。 地面云广播信号发送装置可以包括用于发送多个地面云广播信号的多个发射机，其中，所述多个发射机中的每一个包括：编码输入数据以生成码字的编码器和加扰所生成的码字的加扰器 使用为每个发射机唯一分配的扰频序列，使得多个地面云广播信号彼此区分开。
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15.发明授权Method and apparatus for addition data transmission and reception in digital broadcast system 有权用于在数字广播系统中进行附加数据发送和接收的方法和装置公开(公告)号：US08837553B2
公开(公告)日：2014-09-16
申请号：US13684485
申请日：2012-11-23
Applicant: Electronics and Telecommunications Research Institute , Korean Broadcasting System , Nextwill Co., Ltd.
Inventor： Sung Ik Park , Hyoungsoo Lim , Ho Min Eum , Jae Hyun Seo , Heung Mook Kim , Nam Ho Hur , Young Woo Suh , Jae Kwon Lee , Ha Kyun Mok , Won Gi Seo , Ju Byung Kim
IPC: H04B1/00 , H04N21/2383 , H04N21/81 , H04N21/438 , H04B1/707
CPC classification number: H04B1/707 , H04H20/30 , H04H60/07 , H04N21/2383 , H04N21/4382 , H04N21/8126
Abstract: Provided are an apparatus for addition data transmission includes: an IF broadcasting signal generating unit receiving the broadcast data, and FEC and modulation of the received broadcast data to generate a broadcasting signal in an intermediate frequency (IF) band; an IF addition signal generating unit receiving the addition data to generate an addition signal in the IF band by using direct sequence spread spectrum (DSSS); an average power controlling unit controlling average power of the addition signal in the IF band; a signal combining unit combining the broadcasting signal in the IF band and the addition signal in the IF band to generate a combination signal; an RF upward converting unit upwardly converting the combination signal in a signal in a radio frequency (RF) band to a combination signal in the RF band; and a transmitting unit transmitting the combination signal in the RF band.
Abstract translation: 提供了一种用于附加数据传输的装置，包括：IF广播信号产生单元，接收广播数据，以及FEC和调制所接收的广播数据以产生中频（IF）频带中的广播信号; IF附加信号发生单元，通过使用直接序列扩频（DSSS）接收加法数据以产生IF频带中的相加信号; 平均功率控制单元，控制IF频带中的相加信号的平均功率; 信号组合单元，组合IF频带中的广播信号和IF频带中的相加信号，以产生组合信号; 射频向上转换单元将射频（RF）频带中的信号中的组合信号向上转换为RF频带中的组合信号; 以及在RF频带中发送组合信号的发送单元。
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Patent Agency Ranking
公开(公告)号：US11317429B2
公开(公告)日：2022-04-26
申请号：US16636460
申请日：2018-07-05
Inventor： Hoi Yoon Jung , Sung Ik Park , Heung Mook Kim , Nam Ho Hur
Abstract: A method for transmitting and receiving scheduling information in a communication system is disclosed. A method for operating a UE comprises the steps of: receiving, from a base station, a control channel including scheduling information of first data in slot #n; receiving, from the base station, a data channel including the first data and second data in the slot #n; receiving, from the base station, a control channel in slot #n+k, the control channel including PI indicating a transmission position of the second data in the slot #n; and demodulating the data channel on the basis of the scheduling information and the PI. Therefore, the performance of a communication system can be improved.
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公开(公告)号：US09621190B2
公开(公告)日：2017-04-11
申请号：US14942392
申请日：2015-11-16
Inventor： Sung Ik Park , Heung Mook Kim , Nam Ho Hur
CPC classification number: H03M13/1185 , H03M13/1105 , H03M13/116 , H03M13/1165 , H03M13/1168 , H03M13/616 , H03M13/6552 , H03M13/6555 , H04L1/0041 , H04L1/0058
Abstract: Provided is an LDPC (Low Density Parity Check) code for terrestrial cloud broadcast. A method of encoding input information based on an LDPC (Low Density Parity Check) includes receiving information and encoding the input information with an LDPC codeword using a parity check matrix, wherein the parity check matrix may have a structure obtained by combining a first parity check matrix for an LDPC code having a higher code rate than a reference value with a second parity check matrix for an LDPC code having a lower code rate than the reference value.
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公开(公告)号：US09336077B2
公开(公告)日：2016-05-10
申请号：US14031882
申请日：2013-09-19
Inventor： Sung Ik Park , Heung Mook Kim
CPC classification number: G06F11/10 , H03M13/112
Abstract: There are provided a method and apparatus for decoding an LDPC code. In this specification, a first result is calculated by performing the calculation of a check node having two inputs forward and recursively, a second result is calculated by performing the calculation of the check node having the two inputs backward and recursively, and the check node is calculated using the first result and the second result as the inputs.
Abstract translation: 提供了一种用于对LDPC码进行解码的方法和装置。 在本说明书中，通过进行具有前向和递归的两个输入的校验节点的计算来计算第一结果，通过反向和递归地执行具有两个输入的校验节点的计算来计算第二结果，并且校验节点 使用第一个结果和第二个结果作为输入计算。
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公开(公告)号：US09106496B2
公开(公告)日：2015-08-11
申请号：US14354333
申请日：2012-10-24
Inventor： Jong Soo Lim , Sun Hyoung Kwon , Heung Mook Kim , Namho Hur
CPC classification number: H04L27/2649 , H03C3/40 , H04L27/0008 , H04L27/2614 , H04L27/2634
Abstract: Modulation is performed on a first input signal and a second input signal to be transmitted based on symbol mapping. Phase values of the first and second modulated input signals are selectively adjusted. Angle modulation is performed on the first input signal and the second input signal having selectively adjusted phase values. The angle-modulated first and second input signals are transmitted.
Abstract translation: 基于符号映射对第一输入信号和第二输入信号执行调制。 选择性地调整第一和第二调制输入信号的相位值。 对第一输入信号和第二输入信号进行角度调制，其具有选择性地调整的相位值。 角度调制的第一和第二输入信号被发送。
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公开(公告)号：US20140294121A1
公开(公告)日：2014-10-02
申请号：US14354333
申请日：2012-10-24
Inventor： Jong Soo Lim , Sun Hyoung Kwon , Heung Mook Kim , Namho Hur
CPC classification number: H04L27/2649 , H03C3/40 , H04L27/0008 , H04L27/2614 , H04L27/2634
Abstract: Modulation is performed on a first input signal and a second input signal to be transmitted based on symbol mapping. Phase values of the first and second modulated input signals are selectively adjusted. Angle modulation is performed on the first input signal and the second input signal having selectively adjusted phase values. The angle-modulated first and second input signals are transmitted.
Abstract translation: 基于符号映射对第一输入信号和第二输入信号执行调制。 选择性地调整第一和第二调制输入信号的相位值。 对第一输入信号和第二输入信号进行角度调制，其具有选择性地调整的相位值。 角度调制的第一和第二输入信号被发送。
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