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公开(公告)号：US20180026682A1
公开(公告)日：2018-01-25
申请号：US15597286
申请日：2017-05-17
Inventor： Seok SEO , Hyung Jin KIM , Jae Su SONG , Jung Hoon OH , Seong Chul CHO
IPC: H04B7/0417 , H04W72/04 , H04L1/06 , H04L25/02
CPC classification number: H04B7/0417 , H04B7/088 , H04L1/0631 , H04L25/0204 , H04L25/0256 , H04W72/0446 , H04W72/046
Abstract: A receiving device and method using a single RF chain includes a reception antenna module radiating a plurality of orthogonal beam patterns to receive a signal, a single RF chain processing a reception signal from the reception antenna module, a signal component extracting unit extracting a reception signal component corresponding to each beam pattern using the reception signal received through the reception antenna module and the single RF chain and a code value previously allocated to the plurality of beam patterns, and a beam pattern controller controlling a beam pattern radiated by the reception antenna module.
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公开(公告)号：US20160315686A1
公开(公告)日：2016-10-27
申请号：US15061218
申请日：2016-03-04
Inventor： Jae Su SONG , Seok SEO , Yun Hee CHO , Seung Hwan LEE , Seong Chul CHO
CPC classification number: H04B7/086 , H01Q3/446 , H01Q19/32 , H01Q21/205 , H04B7/0491 , H04B7/0848
Abstract: Provided is an antenna apparatus equipped with a single RF chain. The antenna apparatus includes: a combiner configured to divide omnidirectional space into N sectors to perform a sector sweep, combine a reception signal received via the single RF chain for each sector and calculate a gain of a composite signal; a comparator configured to determine a gain magnitude of the composite signal; and a controller configured to perform a beam-forming according to a comparison result of the gain magnitude of the comparator.
Abstract translation: 提供了配备有单个RF链的天线装置。 天线装置包括：组合器，被配置为将全向空间划分成N个扇区以执行扇区扫描，组合经由每个扇区经由单个RF链接收的接收信号，并计算复合信号的增益; 比较器，被配置为确定复合信号的增益幅度; 以及控制器，被配置为根据比较器的增益幅度的比较结果来执行波束形成。
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公开(公告)号：US20150055736A1
公开(公告)日：2015-02-26
申请号：US14190918
申请日：2014-02-26
Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA , Electronics and Telecommunications Research Institute
Inventor： Seung-Hwan LEE , Seok SEO , Jae Su SONG , Young-Han KIM , Lele WANG , Bernd BANDEMER
IPC: H04L1/00
CPC classification number: H04L1/0054 , H04L1/0048 , H04L1/0065 , H04L1/0076 , H04L5/003
Abstract: A method and apparatus for embodying an algorithm that can simultaneously restore a present codeword and an interference codeword with low complexity so as to obtain high throughput in a wide interference signal power level are provided. By simultaneously restoring a desired codeword and an interference codeword by considering an interference signal upon decoding, high throughput performance can be obtained regardless of a power level of the interference signal.
Abstract translation: 提供了一种用于实现能够以低复杂度同时恢复当前码字和干扰码字以便在宽干扰信号功率电平中获得高吞吐量的算法的方法和装置。 通过在解码时考虑干扰信号同时恢复期望的码字和干扰码字，无论干扰信号的功率电平如何，都可以获得高吞吐量性能。
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公开(公告)号：US20250056262A1
公开(公告)日：2025-02-13
申请号：US18799708
申请日：2024-08-09
Inventor： Jae Su SONG
IPC: H04W24/04 , H04B7/04 , H04B7/0408
Abstract: Proposed are an apparatus and a method for performing beam management based on a reconfigurable intelligent surface (RIS) in a wireless communication system. An operation method of a base station (BS) in a wireless communication system includes performing a beam search using at least one base station beam through a backhaul link between the base station and a reconfigurable intelligent surface (RIS), performing the beam search using a plurality of RIS beams for each of the at least one base station beam on the backhaul link when the RIS is set to a multi-beam mode, setting the RIS to a single-beam mode on an access link when the beam search of the backhaul link is completed, and performing a beam search of the access link by fixing beam information of the backhaul link.
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25.发明公开公开(公告)号：US20240236846A9
公开(公告)日：2024-07-11
申请号：US18490333
申请日：2023-10-19
Inventor： Jae Su SONG , Hee Sang CHUNG
CPC classification number: H04W52/0206 , H04W36/165
Abstract: A method of a first base station may comprise: determining, by a MT of the first base station, whether there is a terminal connected to a BSU of the first base station, when a power-off condition is satisfied in the BSU; instructing, by the MT, the terminal, which is connected to the BSU, to be handed over to a second base station, when there is a terminal connected to the BSU; instructing, by the MT, the BSU to power off the BSU, when the handover of the terminal, which is connected to the BSU, is completed; and transmitting, by the MT, a first message, which indicates a power-off state of the first base station, to the second base station, when the BSU is powered off.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20200162208A1
公开(公告)日：2020-05-21
申请号：US16688372
申请日：2019-11-19
Inventor： Sung Hyun MOON , Cheul Soon KIM , Seung Kwon BAEK , Gi Yoon PARK , Ok Sun PARK , Jae Su SONG
Abstract: Disclosed are methods and apparatuses for transmitting and receiving data channels in a communication system. An operation method of a terminal in a communication system may comprise receiving, from a base station, resource allocation information of a plurality of physical uplink shared channels (PUSCHs) used for repetitive transmission of a same transport block (TB); identifying a position of each of the plurality of PUSCHs in a time domain based on the resource allocation information; and repeatedly transmitting the same TB to the base station at the position of each of the plurality of PUSCHs. Therefore, performance of the communication system can be improved.
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公开(公告)号：US20180234882A1
公开(公告)日：2018-08-16
申请号：US15886412
申请日：2018-02-01
Inventor： Seung Kwon CHO , Won Ik KIM , Seung Kwon BAEK , Jae Su SONG
CPC classification number: H04W28/065 , H04B1/38 , H04W72/0426 , H04W72/1278 , H04W80/02 , H04W88/04 , H04W88/085
Abstract: An operation method of a first communication node in a communication network, which supports a radio link control (RLC) function among functions of a base station, may comprise receiving a first message from a second communication node supporting a packet data convergence protocol (PDCP) function among the functions of the base station; processing the received first message by performing the RLC function; and transmitting the processed first message to a third communication node supporting a medium access control (MAC) function and physical (PHY) functions among the functions of the base station.
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公开(公告)号：US20160081097A1
公开(公告)日：2016-03-17
申请号：US14844537
申请日：2015-09-03
Inventor： Yunhee CHO , Jae Su SONG , Seung-Hwan LEE
CPC classification number: H04L5/0057 , H04W24/02 , H04W72/1231 , H04W72/1247
Abstract: A QoE-aware scheduling method for a wireless network is provided. The scheduling method includes: acquiring application information about a service to be run on a terminal included in the wireless network; creating an MOS model based on the application information; and scheduling wireless network resources for the terminal based on the MOS model.
Abstract translation: 提供了一种用于无线网络的QoE感知调度方法。 所述调度方法包括：获取关于在所述无线网络中包括的终端上运行的服务的应用信息; 根据应用信息创建MOS模型; 并基于MOS模型调度终端的无线网络资源。
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公开(公告)号：US20150341848A1
公开(公告)日：2015-11-26
申请号：US14626949
申请日：2015-02-20
Inventor： Jae Su SONG , Yunhee CHO , Seung-Hwan LEE
IPC: H04W48/16
CPC classification number: H04W48/16
Abstract: A terminal determines a state of the terminal among an idle state and a connected state. The terminal selects one of a plurality of network scan methods based on a state of the terminal. In addition, the terminal discovers an accessible radio network according to the selected scan method.
Abstract translation: 终端在空闲状态和连接状态之间确定终端的状态。 终端基于终端的状态选择多个网络扫描方法中的一个。 此外，终端根据所选择的扫描方法发现可访问的无线电网络。
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公开(公告)号：US20150063316A1
公开(公告)日：2015-03-05
申请号：US14258099
申请日：2014-04-22
Inventor： Yunhee CHO , Seok SEO , Jae Su SONG , Seung-Hwan LEE
CPC classification number: H04W72/082 , H04W16/04 , H04W72/0486
Abstract: In a cellular communication system including a plurality of cells, a resource allocation apparatus of a base station determines a resource division ratio of a present resource frame using a traffic load of a plurality of cells that are measured for an immediately preceding resource frame and marginal utility of each partition, divides a present resource frame into a plurality of partitions according to the determined resource division ratio, and allocates a plurality of partitions to a user.
Abstract translation: 在包括多个小区的蜂窝通信系统中，基站的资源分配装置使用针对紧接在前的资源帧和边际效用测量的多个小区的业务负载来确定当前资源帧的资源分配比 根据所确定的资源分配比将当前资源帧划分为多个分区，并向用户分配多个分区。
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