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公开(公告)号：US09398295B2
公开(公告)日：2016-07-19
申请号：US13950986
申请日：2013-07-25
Inventor： Yong Sun Kim , Seung Eun Hong , Kyeongpyo Kim , Hyoung Jin Kwon , Jin Kyeong Kim , Woo Yong Lee
CPC classification number: H04N19/67
Abstract: Disclosed are an Unequal Error Protection (UEP) apparatus and method thereof for transmitting various types of uncompressed video signals in a broadband high frequency wireless system. The UEP apparatus may include a UEP transmission controller to verify a bit separation point of separating a color depth and priority for each pixel element being composed of a video data pixel when video data is inputted, and to control an error correction coding of correcting relatively many errors to be used in information with a high priority for each pixel element, a bit separator to separate the video data pixel through a control of the UEP transmission controller based on the priority for each pixel element, and a channel coding unit to use a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
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公开(公告)号：US09906987B2
公开(公告)日：2018-02-27
申请号：US14841613
申请日：2015-08-31
Inventor： Hyoung Jin Kwon , Yong Sun Kim , Kap Seok Chang , Seung Eun Hong , Sung Geun Jin , Woo Yong Lee , Hyun Kyu Chung
IPC: H04W4/00 , H04W28/26 , H04W16/26 , H04W88/04 , H04B7/155 , H04W28/16 , H04W40/22 , H04W72/04 , H04W84/04 , H04W84/12
CPC classification number: H04W28/26 , H04B7/15542 , H04B7/15557 , H04B7/15592 , H04W16/26 , H04W28/16 , H04W40/22 , H04W72/0406 , H04W84/047 , H04W84/12 , H04W88/04
Abstract: 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：US09900243B2
公开(公告)日：2018-02-20
申请号：US14623252
申请日：2015-02-16
Inventor： Seung Eun Hong , Kyeongpyo Kim , Yong Sun Kim , Hyoung Jin Kwon , Woo Yong Lee
IPC: H04L12/707 , H04L12/703 , H04W40/24 , H04W24/04 , H04L12/24
CPC classification number: H04L45/22 , H04L41/5038 , H04L41/5054 , H04L41/5077 , H04L45/28 , H04W24/04 , H04W40/244
Abstract: Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.
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公开(公告)号：US09570815B2
公开(公告)日：2017-02-14
申请号：US14104377
申请日：2013-12-12
Inventor： Seung Eun Hong , Moon Sik Lee , Young Seog Song , Jun Hwan Lee , Eun Young Choi , II Gyu Kim , Seung Chan Bang
CPC classification number: H01Q21/061 , H01Q1/246 , H01Q21/065 , H01Q21/205 , H01Q21/22 , H01Q21/26 , H04B7/0617 , H04W16/28 , H04W36/0072
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.
Abstract translation: 提供了使用天线装置的天线装置和切换方法。 天线装置可以包括在预定的服务区域中形成多个波束的多个天线元件。 多个天线元件被布置成多行，并且包括在多行的最上行中的多个天线元件小于多行中的最下行中包括的天线元件的数量，并且差异 包括在最下排中的天线元件形成的光束的中心角之间的差大于由最上面的行中包括的天线元件形成的光束的中心角之间的差。
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15.发明授权Communication system for determining data transmitting scheme according to channel state 有权用于根据信道状态确定数据传输方案的通信系统公开(公告)号：US09288688B2
公开(公告)日：2016-03-15
申请号：US13723752
申请日：2012-12-21
Inventor： Kyeong Pyo Kim , Seung Eun Hong , Jin Kyung Kim
CPC classification number: H04W16/28 , H04B7/0408 , H04B7/0417 , H04B7/0617 , H04B7/0626 , H04B7/0689
Abstract: Disclosed is a data transmission method that may enhance a channel capacity in a wireless channel environment of a frequency band having a high directivity in which a transmission apparatus may form a transmission beam and transmit a training signal while sequentially changing a direction of the formed transmission beam, a reception apparatus may form a reception beam and receive the training signal while sequentially changing a direction of the formed reception beam, and the transmission apparatus may receive a response signal from the reception apparatus with respect to the training signal and determine a data transmission scheme based on the received response signal.
Abstract translation: 公开了一种数据传输方法，其可以增强具有高方向性的频带的无线信道环境中的信道容量，其中发送装置可以形成发送波束并发送训练信号，同时顺序地改变形成的发送波束的方向 接收装置可以形成接收波束并在顺序地改变形成的接收波束的方向的同时接收训练信号，并且发送装置可以相对于训练信号从接收装置接收响应信号，并且确定数据传输方案 基于所接收的响应信号。
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Patent Agency Ranking
公开(公告)号：US20130308056A1
公开(公告)日：2013-11-21
申请号：US13950986
申请日：2013-07-25
Inventor： Yong Sun KIM , Seung Eun Hong , Kyeongpyo Kim , Hyoung Jin Kwon , Jin Kyeong Kim , Woo Yong Lee
IPC: H04N7/26
CPC classification number: H04N19/67
Abstract: Disclosed are an Unequal Error Protection (UEP) apparatus and method thereof for transmitting various types of uncompressed video signals in a broadband high frequency wireless system. The UEP apparatus may include a UEP transmission controller to verify a bit separation point of separating a color depth and priority for each pixel element being composed of a video data pixel when video data is inputted, and to control an error correction coding of correcting relatively many errors to be used in information with a high priority for each pixel element, a bit separator to separate the video data pixel through a control of the UEP transmission controller based on the priority for each pixel element, and a channel coding unit to use a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
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公开(公告)号：US11917669B2
公开(公告)日：2024-02-27
申请号：US17511140
申请日：2021-10-26
Inventor： Yu Ro Lee , Chang Wahn Yu , Heesoo Lee , Seung Eun Hong
IPC: H04W72/04 , H04W72/542 , H04W72/044
CPC classification number: H04W72/542 , H04W72/046
Abstract: An operation method performed by a terminal in a communication system may include: receiving, from a TRP, a first discovery signal including an identifier of a first transmission beam by using a first reception beam; measuring a first received signal strength of the first discovery signal; receiving, from the TRP, a second discovery signal including an identifier of a second transmission beam by using a second reception beam; measuring a second received signal strength of the second discovery signal; transmitting, to the TRP, first beam pair information including the identifier of the first transmission beam and an identifier of the first reception and the first received signal strength information; and transmitting, to the TRP, second beam pair information including the identifier of the second transmission beam and an identifier of the second reception beam and the second received signal strength information.
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公开(公告)号：US11764839B2
公开(公告)日：2023-09-19
申请号：US17461633
申请日：2021-08-30
Inventor： Min Hyun Kim , Seung Eun Hong
IPC: H04B7/0452 , H04L5/00 , H04B17/318 , H04W72/23
CPC classification number: H04B7/0452 , H04B17/318 , H04L5/0048 , H04W72/23
Abstract: An operation method of a CP may comprise: requesting a status report from each of terminals and receiving the status report; determining switching from basic transmission mode to cell-free massive MIMO transmission mode for at least part of the terminals based on the status reports; instructing the at least part of the terminals and at least one AN to perform cell-free massive MIMO transmission for the at least part of the terminals to configure cell-free massive MIMO transmission mode; determining analog beam(s) and/or digital precoder(s) to be applied by the at least one AN to the at least part of the terminals based on channel qualities between the at least part of the terminals and the at least one AN; and allowing the at least one AN to perform cell-free massive MIMO transmission to the at least part of the terminals using the analog beam(s) and/or digital precoder(s).
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19.发明授权公开(公告)号：US11431422B2
公开(公告)日：2022-08-30
申请号：US17511061
申请日：2021-10-26
Inventor： Seung Eun Hong
Abstract: A method for calibration, in a serial fronthaul in which a calibration device and L (L is a natural number equal to or greater than 1) access node(s) (AN(s)) are serially connected, may include: transmitting, by the calibration device, to at least part of the L AN(s), a calibration command message indicating calibration of transmission paths; determining, by the calibration device and the at least part of the L AN(s), time delay values and phase characteristic values of the transmission paths of the at least part of the L AN(s); and transmitting, by the calibration device, to the at least part of the L AN(s), a calibration adjustment message indicating calibration of the transmission paths based on the time delay values and the phase characteristic values of the transmission paths of the at least part of the L AN(s).
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公开(公告)号：US11411636B2
公开(公告)日：2022-08-09
申请号：US17021030
申请日：2020-09-15
Inventor： Kap Seok Chang , Hyoung Jin Kwon , Sung Geun Jin , Yong Sun Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
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