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11.发明申请公开(公告)号：US20180184335A1
公开(公告)日：2018-06-28
申请号：US15904279
申请日：2018-02-23
Inventor： Hyoung Jin KWON , Yong Sun KIM , Kap Seok CHANG , Seung Eun HONG , Sung Geun JIN , Woo Yong LEE , Hyun Kyu CHUNG
Abstract: Provided is a communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (MAC). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.
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公开(公告)号：US20150230219A1
公开(公告)日：2015-08-13
申请号：US14697146
申请日：2015-04-27
Inventor： Kap Seok CHANG , Il Gyu KIM , Hyeong Geun PARK , Young Jo KO , Hyo Seok YI , Chan Bok JEONG , Young Hoon KIM , Seung Chan BANG
CPC classification number: H04W48/16 , H04B1/70735 , H04B7/2656 , H04J11/0069 , H04L7/043 , H04L27/2613 , H04L27/2655 , H04W56/00 , H04W72/042 , H04W72/0446 , H04W88/08
Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.
Abstract translation: 本申请涉及生成下行链路帧的方法。 产生下行链路帧的方法包括：产生指示小区组信息的第一短序列和第二短序列; 产生由所述主同步信号确定的第一加扰序列和第二加扰序列; 产生由第一短序列确定的第三加扰序列和由第二短序列确定的第四加扰序列; 用相应的加扰序列对该短序列进行加扰; 以及映射包括与第一加扰序列加扰的第一短序列的第二同步信号，用第二加扰序列和第三加扰序列加扰的第二短序列，用第一加扰序列和第一短序列加扰的第二短序列 通过第二加扰序列和第四加扰序列加扰到频域。
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13.发明申请公开(公告)号：US20150078193A1
公开(公告)日：2015-03-19
申请号：US14550365
申请日：2014-11-21
Inventor： Hyoung Jin KWON , Yong Sun KIM , Sung Geun JIN , Kap Seok CHANG , Seung Eun HONG , Woo Yong LEE , Hyun Kyu CHUNG
CPC classification number: H04B7/15557 , H04B7/1555 , H04L5/14 , H04L45/22 , H04W24/00 , H04W24/08 , H04W72/02 , H04W84/047
Abstract: A communication method of a source device according to an embodiment includes detecting a status of a first link directly connected from the source device to a destination device or a status of a second link connected from the source device to the destination device via a relay device, selecting any one of the first link and the second link based on a result of the detection, and transmitting data using the selected link.
Abstract translation: 根据实施例的源设备的通信方法包括：经由中继设备检测从源设备直接连接到目的地设备的第一链路的状态或从源设备连接到目的设备的第二链路的状态， 基于检测结果选择第一链路和第二链路中的任何一个，以及使用所选择的链路发送数据。
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14.发明申请WIRELESS COMMUNICATION METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FRAME THROUGH RELAY 有权无线通信方法和通过继电器发送和接收帧的装置公开(公告)号：US20140370802A1
公开(公告)日：2014-12-18
申请号：US14472298
申请日：2014-08-28
Inventor： Kap Seok CHANG , Hyoung Jin KWON , Sung Geun JIN , Yong Sun KIM , Seung Eun HONG , Woo Yong LEE , Hyun Kyu CHUNG
IPC: H04B7/155
CPC classification number: H04B7/15528 , H04B7/15592 , H04B7/2606 , H04W40/22 , Y02D70/00 , Y02D70/142 , Y02D70/39 , Y02D70/446 , Y02D70/449
Abstract: The present invention provides a wireless communication method used for transmitting and receiving a relay in a wireless local area network system. The wireless local area network system according to an embodiment of the present invention relates to a wireless communication method of setting a relay link through a relay and setting a transmission time point at which a data frame is transmitted in a source device by recognizing a propagation delay between devices, and the like when an operation mode of the set relay corresponds to a cooperating mode.
Abstract translation: 本发明提供一种用于在无线局域网系统中发送和接收中继的无线通信方法。 根据本发明的实施例的无线局域网系统涉及通过中继设置中继链路的无线通信方法，并且通过识别传播延迟来设置在源设备中发送数据帧的传输时间点 当设置的继电器的操作模式对应于协作模式时，在设备之间等。
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公开(公告)号：US20240214252A1
公开(公告)日：2024-06-27
申请号：US18542947
申请日：2023-12-18
Inventor： Kap Seok CHANG , Yong Sun Kim , Won Cheol Cho , Young-Jo Ko , Sang Hyo Kim , Ji Woong Jang
CPC classification number: H04L27/2607 , H04L5/0044 , H04L27/20
Abstract: A method of a first communication node may comprise: generating a first sequence that is a maximal length sequence having a length of 2n−1 for a positive integer n; generating a second sequence having a relationship of a preferred pair with the first sequence; generating a third sequence having a relationship of a preferred pair with the first sequence and the second sequence; and generating a binary sequence group using the first to third sequences.
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Patent Agency Ranking
16.发明公开公开(公告)号：US20240214149A1
公开(公告)日：2024-06-27
申请号：US18543894
申请日：2023-12-18
Inventor： Kyeong Pyo KIM , Woo Ram SHIN , Young Jo KO , Kap Seok CHANG
IPC: H04L5/00 , H04B17/336 , H04W28/26
CPC classification number: H04L5/0051 , H04B17/336 , H04W28/26 , H04L5/0007
Abstract: According to an embodiment of the present disclosure, a method of designing a reference signal for phase noise estimation in an orthogonal frequency division multiplexing (OFDM) communication system, the method comprising: acquiring a magnitude of a frequency bandwidth of phase noise; acquiring a magnitude of a subcarrier; comparing the magnitudes of the subcarrier and the frequency bandwidth; selecting one of a first phase compensation scheme and a second phase compensation scheme based on the comparison result, and inserting the reference signal into an OFDM symbol based on the selected phase compensation scheme; and transmitting the OFDM symbol including the reference signal.
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17.发明公开公开(公告)号：US20240179616A1
公开(公告)日：2024-05-30
申请号：US18523613
申请日：2023-11-29
Inventor： Kap Seok CHANG , Won Cheol Cho , Young Jo Ko
Abstract: A method of a first communication node may comprise: generating a first intermediate base sequence consisting of M elements based on first, second and third binary sequences, wherein M is a natural number; generating a second intermediate base sequence consisting of M elements by modifying the first intermediate base sequence; generating a base sequence consisting of 2M elements based on distributed concatenation of the first intermediate base sequence and the second intermediate base sequence; mapping modulation symbols generated by modulating the base sequence to 2 (M+1) subcarriers; and transmitting a signal consisting of the mapped modulation symbols to a second communication node.
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公开(公告)号：US20240137072A1
公开(公告)日：2024-04-25
申请号：US18493629
申请日：2023-10-23
Inventor： Kap Seok CHANG , Yong Sun KIM , Jun Hyeong KIM
CPC classification number: H04B7/01 , H04L5/0051 , H04W56/0015
Abstract: Disclosed are a method and an apparatus for supporting high-speed mobility in a communication. A method of a terminal may comprise: estimating a first frequency offset based on a downlink transmission received from a base station; estimating first time-varying characteristic information based on the downlink transmission; and transmitting, to the base station, a first uplink transmission including time-varying characteristic feedback information based on the first time-varying characteristic information and a configured time-varying characteristic information feedback condition.
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公开(公告)号：US20230396293A1
公开(公告)日：2023-12-07
申请号：US18328166
申请日：2023-06-02
Inventor： Chan ho YOON , Young Jo KO , Kap Seok CHANG , Won Cheol CHO
CPC classification number: H04B7/04026 , H04B7/0621
Abstract: A method of a transmitting node may comprise: modulating a codeword corresponding to data to be transmitted; generating sparse space-frequency block code (SSFBC)-coded symbols by encoding the modulated codeword in an SSFBC scheme; performing precoding on the SSFBC-coded symbols for each of subbands respectively corresponding to transmit antenna groups; and transmit the precoded SSFBC-coded symbols by performing beamforming on the precoded SSFBC-coded symbols using at least one array antenna group among two or more array antenna groups.
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公开(公告)号：US20210226730A1
公开(公告)日：2021-07-22
申请号：US17109503
申请日：2020-12-02
Inventor： Chan Ho YOON , Young Jo KO , Kap Seok CHANG
Abstract: An operation method of a first communication node includes generating a plurality of modulation symbols for information bits; determining a symbol mapping pattern based on a number Nt of antennas of the first communication node, a number NL of spatial layers multiplexed in a same frequency resource, and a number NSSF of modulation symbols belonging to one space-frequency grid; mapping the plurality of modulation symbols to a space-frequency domain based on the symbol mapping pattern; and transmitting the plurality of modulation symbols mapped to the space-frequency domain to a second communication node using the antennas.
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