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21.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
Inventor： Seuck Ho Won , Il Gyu Kim , Hee Sang Chung
IPC: H04W76/25 , G06N20/00 , H04W24/02 , H04W64/00 , H04W72/542
CPC classification number: H04W76/25 , G06N20/00 , H04W24/02 , H04W72/542 , H04W64/003
Abstract: 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
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
IPC: H04B7/26 , H04J11/00 , H04L27/26 , H04W72/23 , H04L7/04 , H04W72/0446 , H04W48/16 , H04W56/00 , H04B1/7073 , H04W88/08
CPC classification number: H04B7/2656 , H04J11/0069 , H04L7/043 , H04L27/2613 , H04L27/2655 , H04W48/16 , H04W56/00 , H04W72/0446 , H04W72/23 , H04B1/70735 , 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.
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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
Inventor： Bing Hui , Il Gyu Kim , Junhyeong Kim , Gosan Noh , Hee Sang Chung , Sung Woo Choi
Abstract: 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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公开(公告)号：US10827530B2
公开(公告)日：2020-11-03
申请号：US15971301
申请日：2018-05-04
Inventor： Bing Hui , Il Gyu Kim , Junhyeong Kim , Gosan Noh , Hee Sang Chung , Sung Woo Choi
Abstract: A method for transmitting and receiving a message for a random access (RA) between user equipment (UE) and a base station in a multi beam system includes: transmitting a synchronization signal (SS) block including a synchronization signal by performing beam sweeping for a multi beam; receiving a message 1 of an RA procedure from the UE; determining an optimal transmission beam to be used to transmit a message 2 of the RA procedure based on information about an association mapping between the SS block and a physical random access channel (PRACH) which is used to transmit the message 1; and transmitting the message 2 by using the optimal transmission beam.
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公开(公告)号：US10820355B2
公开(公告)日：2020-10-27
申请号：US15934320
申请日：2018-03-23
Inventor： Bing Hui , Il Gyu Kim , Junhyeong Kim , Gosan Noh , Hee Sang Chung , Sung Woo Choi
Abstract: A method and an apparatus for random access in a mobile communication system are provided. A terminal receives a synchronization signal block, obtains beam index information from the received synchronization signal block, and transmits a preamble message occupying a plurality of preamble resources including a preamble resource corresponding to the beam index information to a base station. A random access resource includes a plurality of preamble resources, and the synchronization signal block is specified for one beam and corresponds to one preamble resource of the random access resource.
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Patent Agency Ranking
公开(公告)号：US10485030B2
公开(公告)日：2019-11-19
申请号：US15802682
申请日：2017-11-03
Inventor： Bing Hui , Yeong Jin Kim , Il Gyu Kim , Jun Hwan Lee , Hee Sang Chung
Abstract: A method and a terrestrial base station for receiving an uplink signal. The terrestrial base station is configured to: receive a preamble corresponding to an orthogonal pseudo-noise (PN) sequence of a plurality of the orthogonal PN sequences from an onboard base station in a train; recognize identification (ID) of the onboard base station from the preamble, and allocate a temporary network ID and an uplink grant (UL grant) to the onboard base station; and receive the uplink signal transmitted based on the temporary network ID and the UL grant.
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公开(公告)号：US10397862B2
公开(公告)日：2019-08-27
申请号：US14946551
申请日：2015-11-19
Inventor： Jae Seung Lee , Il Gyu Kim , Jae Woo Park , Yu Ro Lee , Jee Yon Choi
Abstract: Provided is a wireless communication method performed at an access point to enhance the transmission efficiency in a wireless local area network (WLAN) system, the method including scheduling a transmission time of an enhanced traffic indicator map (TIM) frame based on a type of a station, and transmitting a second beacon including the enhanced TIM frame to the station at a point in time aside from a transmission point in time of a first beacon.
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公开(公告)号：US10383041B2
公开(公告)日：2019-08-13
申请号：US15890114
申请日：2018-02-06
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
IPC: H04W48/16 , H04B7/26 , H04J11/00 , H04L7/04 , H04L27/26 , H04W72/04 , H04W56/00 , H04B1/7073 , 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.
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公开(公告)号：US10096907B2
公开(公告)日：2018-10-09
申请号：US15292897
申请日：2016-10-13
Inventor： Seung Eun Hong , Moon Sik Lee , Young Seog Song , Jun Hwan Lee , Eun Young Choi , Il Gyu Kim , Seung Chan Bang
Abstract: There are provided an antenna apparatus and a method of handover using the antenna apparatus. The antenna apparatus may comprise a plurality of antenna elements forming a plurality of beams in a predetermined service area. The plurality of antenna elements are arranged in a plurality of rows, and a number of antenna elements included in an uppermost row of the plurality of rows is smaller than a number of antenna elements included in a downmost row of the plurality of rows, and differences between center angles of beams formed by the antenna elements included in the downmost row are larger than differences between center angles of beams formed by the antenna elements included in the uppermost row.
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公开(公告)号：US20180159604A1
公开(公告)日：2018-06-07
申请号：US15831539
申请日：2017-12-05
Inventor： Seuck Ho Won , Yeong Jin Kim , Il Gyu Kim
IPC: H04B7/0456 , H04B7/04 , H04B7/024
CPC classification number: H04B7/0456 , H04B7/024 , H04B7/0417 , H04B7/043 , H04W28/06
Abstract: A method and an apparatus for transmitting a signal by using a plurality of radio units (RUs) to a user equipment (UE). The apparatus is configured to: determine an RU set including at least two RUs of the plurality of the RUs based on a feedback regarding a received strength of a transmission beam formed by the plurality of the RUs, wherein the feedback is received from the UE; determine a distributed precoding matrix of which a diversity order is predetermined based on information about an RU included in the RU set; and perform a precoding based on the distributed precoding matrix and transmitting a precoded signal to the UE through the RU set.
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