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公开(公告)号：US20230189013A1
公开(公告)日：2023-06-15
申请号：US17961767
申请日：2022-10-07
Inventor： Soon Gi PARK , Young-Jo KO , Il Gyu KIM , Jun Sik KIM , Sung Cheol CHANG , Sun Mi JUN , Yong Seouk CHOI
Abstract: An operation method of a first cell in a communication system may include: receiving, from a first communication node that is an upper node of the first cell, a first signal including second cell configuration information of a second cell connected with the first communication node and a second communication node that is a lower node of the first cell; identifying, based on the first signal, that the first cell and the second cell are jointly operated by the first communication node as coordinative PCells; transmitting, to the second communication node, a second signal including information on joint operations of the coordinative PCells by the first communication node; and performing communication with the first communication node and the second communication node based on the joint operations of the coordinative PCells.
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公开(公告)号：US20220408387A1
公开(公告)日：2022-12-22
申请号：US17841951
申请日：2022-06-16
Inventor： Kapseok CHANG , Young-Jo KO , Cheul Soon KIM , Yong Sun KIM , Il Gyu KIM
IPC: H04W56/00
Abstract: A timing adjustment method performed by a terminal may include: acquiring downlink synchronization with a base station; obtaining, from the base station, TA granularity-related information; transmitting, to the base station, a preamble and/or an SRS; receiving, from the base station, a TA command generated based on the preamble and/or SRS; determining a timing for uplink frame transmission by interpreting the TA command based on a TA granularity determined based on the TA granularity-related information; and performing the uplink frame transmission based on the determined timing.
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公开(公告)号：US20220407594A1
公开(公告)日：2022-12-22
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 Yl , Chan Bok JEONG , Young Hoon KIM , Seung Chan BANG
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：US20220240203A1
公开(公告)日：2022-07-28
申请号：US17719398
申请日：2022-04-13
Inventor： Il Gyu KIM , Hyeong Geun PARK , Young Jo KO , Kapseok CHANG , Hyo Seok YI , Young Hoon KIM , Seung Chan BANG
Abstract: A method of searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, each cell group including at least two cells, includes: detecting a primary synchronization signal and a secondary synchronization signal from a received signal; and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.
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公开(公告)号：US20210126760A1
公开(公告)日：2021-04-29
申请号：US17064994
申请日：2020-10-07
Inventor： Jae Seung LEE , Moon Sik LEE , Jae Woo PARK , Jee Yon CHOI , Young Hoon KIM , Ju Ho PARK , Hoo Sung LEE , Young Il JEON , Chan Bok JEONG , Hyung Sik JU , Ik Jae CHUN , Il Gyu KIM
IPC: H04L5/00
Abstract: Disclosed are a method and an apparatus for communication using fronthaul interfaces. An operation method of a first communication node includes transmitting a section type 8 message #1 including numerology-related information #1; transmitting a section type 9 message #1 including channel information of each of one or more second communication nodes indicated by the section type 8 message #1 and the numerology related information #1, transmitting a section type 8 message #2 including numerology-related information #2 other than the numerology-related information #1; and transmitting a section type 9 message #2 including channel information of each of one or more third communication nodes indicated by the section type 8 message #2 and the numerology-related information #2.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20190104552A1
公开(公告)日：2019-04-04
申请号：US16128568
申请日：2018-09-12
Inventor： Bing HUI , Il Gyu KIM , Jun Hyeong KIM , Go San NOH , Hee Sang CHUNG , Sung Woo CHOI
Abstract: A method of performing, by a device, a random access procedure in a radio communication system includes: receiving from a base station RACH configuration information; and transmitting a first message based on the received RACH configuration information. Herein, a plurality of SSBs may be in association with a plurality of preambles, and the first message may be transmitted in a time domain through a plurality of RACH resources.
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7.发明申请公开(公告)号：US20170339575A1
公开(公告)日：2017-11-23
申请号：US15595037
申请日：2017-05-15
Inventor： Junhyeong KIM , Bing HUI , Il Gyu KIM , Hoon LEE , Hyun Kyu CHUNG
CPC classification number: H04W16/28 , G01S3/14 , G01S5/0054 , H04W64/006
Abstract: 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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公开(公告)号：US20160128042A1
公开(公告)日：2016-05-05
申请号：US14926251
申请日：2015-10-29
Inventor： Eun-Young CHOI , Young Seog SONG , Seung Eun HONG , Il Gyu KIM , Seung Chan BANG
IPC: H04W72/04
CPC classification number: H04L5/00 , H04L1/0003 , H04L1/0041 , H04L1/0045 , H04L1/0071 , H04L25/00 , H04W72/0473
Abstract: A method and apparatus for simultaneously transmitting data to a plurality of terminals are provided. The method includes: selecting a plurality of simultaneous transmitting terminals based on a signal-to-noise ratio (SNR) of the plurality of terminals; allocating a power rate of the plurality of simultaneous transmitting terminals to each of the plurality of simultaneous transmitting terminals; modulating each of the data according to a modulation method that is determined based on the power rate; and transmitting the modulated data according to the power rate.
Abstract translation: 提供了一种用于同时向多个终端发送数据的方法和装置。 该方法包括：基于多个终端的信噪比（SNR）来选择多个同时发送终端; 将多个同时发送终端的功率率分配给多个同时发送终端中的每一个; 根据基于功率率确定的调制方法对每个数据进行调制; 并根据功率率发送调制数据。
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9.发明申请WIRELESS COMMUNICATION METHOD AND APPARATUS FOR WIRELESS LOCAL AREA NETWORK SYSTEM 审中-公开无线通信方法和无线局域网系统的设备公开(公告)号：US20160127096A1
公开(公告)日：2016-05-05
申请号：US14868908
申请日：2015-09-29
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
CPC classification number: H04B7/0452 , H04B7/068 , H04B7/0697 , H04L5/0023 , H04L5/0028 , H04L5/0064 , H04L5/0092 , H04W72/0453 , H04W84/12
Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.
Abstract translation: 公开了一种无线局域网（WLAN）系统中的无线通信方法和装置。 根据一个实施例的无线通信方法可以包括生成包括HEW-SIG-A字段和HEW-SIG-B字段中的至少一个的高效Wi-Fi（HEW）帧，其包括根据 正交频分多址（OFDMA）模式，并将生成的HEW帧发送到接收装置。
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10.发明申请METHOD AND APPARATUS FOR BEAM-SPACE MULTI-INPUT MULTI-OUTPUT TRANSMISSION BASED LOAD-MODULATION 审中-公开用于波束空间多输入多输出传输的负载调制的方法和装置公开(公告)号：US20160072571A1
公开(公告)日：2016-03-10
申请号：US14846223
申请日：2015-09-04
Inventor： Seung Eun HONG , Kyoungsub OH , Sang-jin KIM , Duk Hyun YOU , Il Gyu KIM
CPC classification number: H04B7/0413 , H01Q21/28
Abstract: A method and an apparatus for beam-space multi-input multi-output (MIMO) transmission based load-modulation are disclosed. The apparatus for beam-space MIMO transmission includes: a plurality of impedance loading circuits each including a plurality of imaginary number impedance elements; a beam-space MIMO control unit calculating loading values of the plurality of imaginary number impedance elements in response to a spatial multiplexing signal; and an RF chain unit generating a first signal having a predetermined carrier frequency.
Abstract translation: 公开了一种用于基于波束空间多输入多输出（MIMO）传输的负载调制的方法和装置。 用于波束空间MIMO传输的装置包括：多个阻抗加载电路，每个包括多个虚数阻抗元件; 波束空间MIMO控制单元，响应于空间复用信号计算多个虚数阻抗元件的负载值; 以及产生具有预定载波频率的第一信号的RF链单元。
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