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公开(公告)号：USRE47910E1
公开(公告)日：2020-03-17
申请号：US15461510
申请日：2017-03-17
发明人： Kap Seok Chang , Il Gyu Kim , Hyeong Geun Park , Young Jo Ko , Hyo Seok Yi , Moon Sik Lee , Young Hoon Kim , Seung Chan Bang
摘要： The present invention relates to a method for generating a downlink frame including generating a first short sequence and a second short sequence indicating cell group information, generating a first scrambling sequence determined by the first synchronization signal, generating a second scrambling sequence determined by the first short sequence, scrambling the first short sequence with the first scrambling sequence, scrambling the second short sequence with at least the second scrambling sequence, and mapping a second synchronization signal including the scrambled first short sequence and the scrambled second short sequence in the frequency domain.
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公开(公告)号：US10484885B2
公开(公告)日：2019-11-19
申请号：US15595037
申请日：2017-05-15
发明人： Junhyeong Kim , Bing Hui , Il Gyu Kim , Hoon Lee , Hyun Kyu Chung
摘要： An apparatus and method for beam-forming communication in a mobile wireless backhaul network. The apparatus included in a base station includes: an antenna unit radiating a beam according to predetermined beam characteristics and transmitting a signal of the base station to a mobile terminal in a high speed moving body; a position searching unit detecting a distance, a speed, and a direction of movement between the base station and the mobile terminal; a beam setting unit grouping one or more beams according to the detected distance between the base station and the mobile terminal and setting the number of beam search groups in which a beam search is to be performed and a beam search period according to the detected speed and direction of movement; and a beam searching unit searching for the beam of the mobile terminal based on beam setting values set by the beam setting unit.
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13.发明授权公开(公告)号：US10349448B2
公开(公告)日：2019-07-09
申请号：US15609748
申请日：2017-05-31
发明人： Bing Hui , Junhyeong Kim , Yeong Jin Kim , Il Gyu Kim , Hee Sang Chung
摘要： A method for transmitting and receiving a signal using steps of transmitting an uplink signal to a base station in a duration of an uplink pilot time slot (UpPTS) of a special subframe, and waiting for a guard time (GT) before receiving a downlink signal from the base station after the transmission of the uplink signal, and a terminal transmitting and receiving a signal by using the method.
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公开(公告)号：US10097395B2
公开(公告)日：2018-10-09
申请号：US15493870
申请日：2017-04-21
发明人： Bing Hui , Junhyeong Kim , Il Gyu Kim , Hoon Lee , Hee Sang Chung , Sung woo Choi
IPC分类号： H04L27/34
摘要： A transmitting apparatus for modulating data based on a predetermined 2q-QAM constellation and a receiving apparatus and method for demodulating a signal based on the predetermined 2q-QAM constellation, wherein the last q-2 bits corresponding to a quadrant of the predetermined 2q-QAM constellation are same with a gray code of a 2q-2-QAM constellation, the last q-2 bits corresponding to the remaining quadrants of the predetermined 2q-QAM constellation are determined by performing symmetric transformation for the last q-2 bits of the quadrant of the predetermined 2q-QAM around the x-axis or the y-axis.
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公开(公告)号：US10033501B2
公开(公告)日：2018-07-24
申请号：US15061193
申请日：2016-03-04
发明人： Yu Ro Lee , Jae Woo Park , Jae Seung Lee , Jee Yon Choi , Il Gyu Kim , Seung Chan Bang
IPC分类号： H04L5/00 , H04B17/336 , H04B7/024 , H04L27/26
摘要： Disclosed are a frame transmission method and a communication device performing the same. The communication device may transmit a null data packet (NDP)-announcement (NDP-A) including information on a plurality of communication devices participating in interference alignment and transmit an NDP including a common signal field and a common training field commonly applied to the plurality of communication devices.
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公开(公告)号：US09232520B2
公开(公告)日：2016-01-05
申请号：US13679139
申请日：2012-11-16
发明人： Moon Sik Lee , Jun Hwan Lee , Il Gyu Kim
CPC分类号： H04W72/0446 , H04J3/00 , H04L5/0042 , H04L5/0053 , H04L5/0094 , H04L25/0238 , H04L27/2601 , H04W72/044
摘要： Provided are a machine type communication (MTC) support method and apparatus capable of providing efficient MTC service. First, when a base station transmits a subframe to which an MTC-physical control format indicator channel (PCFICH) is allocated using an MTC-PCFICH code that is cyclic-shifted on the basis of a control format indicator (CFI) to MTC user equipment (UE), the MTC UE detects the MTC- PCFICH from the received subframe by performing blind decoding of a cyclic shift, and detects a region occupied by a legacy physical downlink control channel (PDCCH) on the basis of the detected MTC-PCFICH. Accordingly, it is possible to support efficient MTC service in a Third Generation Partnership Project (3GPP) Long Term Evolution (LTE)-based mobile communication system while maintaining compatibility with a legacy LTE station.
摘要翻译： 提供能够提供有效的MTC服务的机器类型通信（MTC）支持方法和装置。 首先，当基站发送使用基于控制格式指示符（CFI）循环移位的MTC-PCFICH码向MTC用户设备发送了MTC物理控制格式指示符信道（PCFICH）的子帧时 （UE），MTC UE通过执行循环移位的盲解码来检测来自接收到的子帧的MTC-PCFICH，并且基于检测到的MTC-PCFICH检测传统物理下行链路控制信道（PDCCH）所占据的区域。 因此，可以在维持与传统LTE站的兼容性的同时，在第三代合作伙伴计划（3GPP）长期演进（LTE）的移动通信系统中支持有效的MTC服务。
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公开(公告)号：US09204438B2
公开(公告)日：2015-12-01
申请号：US14697146
申请日：2015-04-27
发明人： 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分类号： H04W48/16 , H04B1/70735 , H04B7/2656 , H04J11/0069 , H04L7/043 , H04L27/2613 , H04L27/2655 , H04W56/00 , H04W72/042 , H04W72/0446 , H04W88/08
摘要： 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.
摘要翻译： 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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18.发明授权公开(公告)号：US12028924B2
公开(公告)日：2024-07-02
申请号：US17234945
申请日：2021-04-20
发明人： Seuck Ho Won , Il Gyu Kim , Hee Sang Chung
IPC分类号： H04W76/25 , G06N20/00 , H04W24/02 , H04W64/00 , H04W72/542
CPC分类号： H04W76/25 , G06N20/00 , H04W24/02 , H04W72/542 , H04W64/003
摘要： A method for managing links, performed by a first communication node in a communication system, includes: obtaining, through an interface, communication status information including communication quality information for each link between the first communication node and at least one other communication node of the communication system; obtaining communication environment information including movement information and location information of each of the at least one other communication node; and obtaining a link probability computational model outputting a first link probability according to input of the communication status information by iteratively performing a machine learning operation based on the communication status information and the communication environment information, wherein the first link probability is used by the first communication node to control multi-connectivity with the at least one other communication node.
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公开(公告)号：US11870546B2
公开(公告)日：2024-01-09
申请号：US17892024
申请日：2022-08-19
发明人： Kap Seok Chang , Il Gyu Kim , Hyeong Geun Park , Young Jo Ko , Hyo Seok Yi , Chan Bok Jeong , Young Hoon Kim , Seung Chan Bang
IPC分类号： H04B7/26 , H04J11/00 , H04L27/26 , H04W72/23 , H04L7/04 , H04W72/0446 , H04W48/16 , H04W56/00 , H04B1/7073 , H04W88/08
CPC分类号： H04B7/2656 , H04J11/0069 , H04L7/043 , H04L27/2613 , H04L27/2655 , H04W48/16 , H04W56/00 , H04W72/0446 , H04W72/23 , H04B1/70735 , H04W88/08
摘要： 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.
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公开(公告)号：US11368894B2
公开(公告)日：2022-06-21
申请号：US16633527
申请日：2018-07-24
发明人： Bing Hui , Il Gyu Kim , Junhyeong Kim , Gosan Noh , Hee Sang Chung , Sung Woo Choi
摘要： Provided are a method and a device for triggering a beam failure recovery (BFR) procedure of a multibeam system by means of the steps of: detecting a beam failure by monitoring a wireless link connected with a base station; identifying a candidate transmission beam of the base station; and transmitting a BFR request to the base station when the candidate transmission beam of the base station is identified.
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