公开(公告)号：US08718693B2

公开(公告)日：2014-05-06

申请号：US12938611

申请日：2010-11-03

Applicant: Hyunduk Kang ,  Heon Jin Hong

Inventor： Hyunduk Kang ,  Heon Jin Hong

IPC: H04B7/00 ,  H04W4/00

CPC classification number: H04B17/382 ,  H04B17/345

Abstract: An apparatus and method for sharing a frequency are provided. A cognitive wireless communication device having a minimum ROI may be selected from among a plurality of cognitive wireless communication devices, and an idle frequency of a primary system may be allocated to the selected cognitive wireless communication device, thereby increasing an opportunistic utilization efficiency of the idle frequency.

Abstract translation: 提供一种用于共享频率的装置和方法。 可以从多个认知无线通信设备中选择具有最小ROI的认知无线通信设备，并且可以将主系统的空闲频率分配给所选择的认知无线通信设备，从而增加空闲的机会性利用效率 频率。

公开(公告)号：US08526711B2

公开(公告)日：2013-09-03

申请号：US12922075

申请日：2008-09-24

Applicant: Young Keun Yoon ,  Jong Ho Kim ,  Heon Jin Hong ,  Kangkook Park ,  Jae-Hyun Yeom ,  Hyo-Tae Kim

Inventor： Young Keun Yoon ,  Jong Ho Kim ,  Heon Jin Hong ,  Kangkook Park ,  Jae-Hyun Yeom ,  Hyo-Tae Kim

IPC: G06K9/00

CPC classification number: G06T15/06

Abstract: Disclosed is an apparatus and method for ray-tracing using a path preprocess. The method for ray-tracing including launching a ray from a transmitting point at angles with regular intervals, setting a first side of an object where the launched ray is projected as a reference patch, and searching predetermined preprocessed path data for a counterpart patch corresponding to a second side of another object, the second side being exposed to the projected ray reflected or diffracted from the set reference patch, and tracing a transmission path of the reflected or diffracted ray.

Abstract translation: 公开了一种使用路径预处理进行射线跟踪的装置和方法。 用于射线跟踪的方法包括以规则间隔以角度发射来自发射点的射线，将发射的射线投影的对象的第一侧设置为参考斑块，以及搜索预定的预处理路径数据以对应于对应的补丁 另一个物体的第二面，第二面暴露于从设定的基准光阑反射或衍射的投射光线，并跟踪反射或衍射光线的透射路径。

公开(公告)号：US20110143798A1

公开(公告)日：2011-06-16

申请号：US12938611

申请日：2010-11-03

Applicant: Hyunduk KANG ,  Heon Jin HONG

Inventor： Hyunduk KANG ,  Heon Jin HONG

IPC: H04B7/00

CPC classification number: H04B17/382 ,  H04B17/345

Abstract: An apparatus and method for sharing a frequency are provided. A cognitive wireless communication device having a minimum ROI may be selected from among a plurality of cognitive wireless communication devices, and an idle frequency of a primary system may be allocated to the selected cognitive wireless communication device, thereby increasing an opportunistic utilization efficiency of the idle frequency.

Abstract translation: 提供一种用于共享频率的装置和方法。 可以从多个认知无线通信设备中选择具有最小ROI的认知无线通信设备，并且可以将主系统的空闲频率分配给所选择的认知无线通信设备，从而增加空闲的机会性利用效率 频率。

公开(公告)号：US07809524B2

公开(公告)日：2010-10-05

申请号：US12182523

申请日：2008-07-30

Applicant: Ho-Kyung Son ,  Heon-Jin Hong ,  Chang-Joo Kim

Inventor： Ho-Kyung Son ,  Heon-Jin Hong ,  Chang-Joo Kim

IPC: G06F19/00

CPC classification number: H04B17/373 ,  H04B7/0413 ,  H04B17/27 ,  H04B17/327 ,  H04W24/10 ,  H04W64/00

Abstract: There is an apparatus for predicting wave propagation characteristic of a multiple antenna system, including: a transmission position calculator for calculating transmission positions of multiple transmitting antennas; a wave propagation path searcher for searching for a wave propagation path for each of a plurality of image antennas generated for each of said multiple transmitting antennas; a reflection electric field calculator for calculating a partial reflection electric field on the searched propagation path; and a received power calculator for calculating a received power based on the calculated partial reflection electric field.

Abstract translation: 存在用于预测多天线系统的波传播特性的装置，包括：发射位置计算器，用于计算多个发射天线的发射位置; 波传播路径搜索器，用于搜索为每个所述多个发射天线生成的多个图像天线中的每一个的波传播路径; 反射电场计算器，用于计算所搜索的传播路径上的部分反射电场; 以及接收功率计算器，用于基于所计算的部分反射电场来计算接收功率。

公开(公告)号：US20100171838A1

公开(公告)日：2010-07-08

申请号：US12602426

申请日：2008-05-27

Applicant: Young-Keun Yoon ,  Heon Jin Hong

Inventor： Young-Keun Yoon ,  Heon Jin Hong

IPC: H04N17/00

CPC classification number: H04B17/345

Abstract: A apparatus for evaluating interference of a cognitive radio transmission signal with digital TV broadcasting includes a cognitive radio transmission unit generating and transmitting an interference signal using orthogonal frequency division multiple access (OFDMA), a broadcast transmission unit generating and transmitting a baseband digital TV broadcast signal containing data about a program to be broadcast, and a broadcast receiving evaluation unit evaluating a signal interference on the digital TV broadcast signal due to the interference signal from a signal combining a broadcast signal that the broadcast transmission unit transmits and the interference signal that the cognitive radio transmission unit transmits, by the signal interference.

Abstract translation: 用于评估认知无线电传输信号与数字电视广播的干扰的装置包括认知无线电传输单元，其使用正交频分多址（OFDMA）生成和发送干扰信号;广播传输单元，生成和发送基带数字TV广播信号 包含关于要广播的节目的数据;以及广播接收评估单元，其根据来自组合广播发送单元发送的广播信号的信号和认知的干扰信号，对数字TV广播信号的信号干扰进行评估 无线电传输单元通过信号干扰传输。

公开(公告)号：US20100167654A1

公开(公告)日：2010-07-01

申请号：US12560789

申请日：2009-09-16

Applicant: Ho Kyung SON ,  Heon Jin Hong

Inventor： Ho Kyung SON ,  Heon Jin Hong

IPC: H04B15/00

CPC classification number: H04W16/14 ,  H04B1/1027 ,  H04W24/06

Abstract: An apparatus and method of determining a modification of a wireless service use for spectrum liberalization is provided. When a licensee using a wireless service in a particular band desires to modify the wireless service use, the method of determining a modification of a wireless service use for spectrum liberalization may determine whether to modify the wireless service use through a worst-case interference check scheme and a Monte-Carlo interference check scheme.

Abstract translation: 提供了一种用于确定频谱自由化的无线服务使用的修改的装置和方法。 当使用特定频带中的无线服务的被许可人希望修改无线服务使用时，确定用于频谱自由化的无线服务使用的修改的方法可以通过最坏情况的干扰检查方案来确定是否修改无线服务使用 和蒙特卡罗干涉检查方案。

公开(公告)号：US20100150273A1

公开(公告)日：2010-06-17

申请号：US12548826

申请日：2009-08-27

Applicant: Seung Keun PARK ,  Jin A PARK ,  Heon Jin HONG

Inventor： Seung Keun PARK ,  Jin A PARK ,  Heon Jin HONG

IPC: H04L27/22

CPC classification number: H04L27/2273

Abstract: Disclosed is a binary phase shift key (BPSK) demodulating device using a phase shifter and a method thereof. The BPSK demodulating device includes an I signal generator to generate an in-phase (I) signal from a received BPSK signal, a Q signal generator to generate a quadrature-phase (Q) signal from the received BPSK signal, using a plurality of phase shifters, an oscillator to generate a first signal to separate a baseband signal, and a determining unit to determine a transmission phase angle based on the I signal and the Q signal.

Abstract translation: 公开了使用移相器的二进制相移键（BPSK）解调装置及其方法。 BPSK解调装置包括：I信号发生器，用于从接收的BPSK信号产生同相（I）信号; Q信号发生器，用于从所接收的BPSK信号中产生正交相位（Q）信号，使用多个相位 移位器，产生分离基带信号的第一信号的振荡器，以及基于I信号和Q信号来确定发送相位角的确定单元。

公开(公告)号：US20090102730A1

公开(公告)日：2009-04-23

申请号：US12182523

申请日：2008-07-30

Applicant: Ho-Kyung Son ,  Heon-Jin Hong ,  Chang-Joo Kim

Inventor： Ho-Kyung Son ,  Heon-Jin Hong ,  Chang-Joo Kim

IPC: G01R29/08

CPC classification number: H04B17/373 ,  H04B7/0413 ,  H04B17/27 ,  H04B17/327 ,  H04W24/10 ,  H04W64/00

Abstract: There is an apparatus for predicting wave propagation characteristic of a multiple antenna system, including: a transmission position calculator for calculating transmission positions of multiple transmitting antennas; a wave propagation path searcher for searching for a wave propagation path for each of a plurality of image antennas generated for each of said multiple transmitting antennas; a reflection electric field calculator for calculating a partial reflection electric field on the searched propagation path; and a received power calculator for calculating a received power based on the calculated partial reflection electric field.

Abstract translation: 存在用于预测多天线系统的波传播特性的装置，包括：发射位置计算器，用于计算多个发射天线的发射位置; 波传播路径搜索器，用于搜索为每个所述多个发射天线生成的多个图像天线中的每一个的波传播路径; 反射电场计算器，用于计算所搜索的传播路径上的部分反射电场; 以及接收功率计算器，用于基于所计算的部分反射电场来计算接收功率。

公开(公告)号：US08386215B2

公开(公告)日：2013-02-26

申请号：US12599992

申请日：2008-02-27

Applicant: Jong Ho Kim ,  Young Keun Yoon ,  Heon Jin Hong ,  Chang-Joo Kim

Inventor： Jong Ho Kim ,  Young Keun Yoon ,  Heon Jin Hong ,  Chang-Joo Kim

IPC: G06F17/50

CPC classification number: H04B17/391

Abstract: A method and apparatus for modeling radio propagation is provided. In the method, when a wall having a thickness is modeled as a line having no thickness, an error in a shade area is minimized by considering the thickness of a wall while maintaining simplicity in a ray-tracing method.

Abstract translation: 提供了一种无线电传播建模方法和装置。 在该方法中，当具有厚度的壁被建模为不具有厚度的线时，通过考虑壁的厚度，同时保持光线跟踪方法的简单性，使遮光区域中的误差最小化。

公开(公告)号：US08189462B2

公开(公告)日：2012-05-29

申请号：US12495549

申请日：2009-06-30

Applicant: Hyunduk Kang ,  Heon Jin Hong ,  Hyuk Lim ,  Kwanhee Jeong

Inventor： Hyunduk Kang ,  Heon Jin Hong ,  Hyuk Lim ,  Kwanhee Jeong

IPC: H04J1/16

CPC classification number: H04W4/00

Abstract: Provided are a method of adjusting a PCS threshold in a wireless network, and a terminal apparatus for the wireless network. The method and the apparatus determines whether to adjust the PCS threshold to use a shared channel for transmitting data in a wireless network based on a congestion status of the shared channel, and adjusts the PCS threshold based on a packet loss measured for a predetermined period of time.

Abstract translation: 提供了一种在无线网络中调整PCS阈值的方法，以及用于无线网络的终端装置。 该方法和装置基于共享信道的拥塞状态来确定是否调整PCS阈值以使用用于在无线网络中发送数据的共享信道，并且基于在预定时间段内测量的分组丢失来调整PCS阈值 时间。