公开(公告)号：US20120163727A1

公开(公告)日：2012-06-28

申请号：US13334094

申请日：2011-12-22

申请人： Soon-Ik JEON ,  Simonov NIKOLAI ,  Seong-Ho SON ,  Hyuk-Je KIM ,  Jong-Moon LEE ,  Jae-Ick CHOI ,  Chang-Joo KIM

发明人： Soon-Ik JEON ,  Simonov NIKOLAI ,  Seong-Ho SON ,  Hyuk-Je KIM ,  Jong-Moon LEE ,  Jae-Ick CHOI ,  Chang-Joo KIM

IPC分类号： G06K9/40

CPC分类号： G06T11/006 ,  G06T2211/424

摘要： An image reconstruction apparatus includes: a transmission signal generation unit configured to generate a transmission signal in an image reconstruction region, in order to acquire an image reconstruction value; an electromagnetic wave measurement unit configured to measure electromagnetic waves by receiving the transmission signal; an image reconstruction unit configured to update a parameter by using a matrix of matched system of a Sinc-Gauss-shaped basis function which is allocated to each node of a reconstruction mesh in the image reconstruction region, and generate an image reconstruction value; and an optimization determination unit configured to determine whether the parameter of the image reconstruction unit is optimized or not, and output the image reconstruction value or cause the image reconstruction unit to repetitively perform the calculation, wherein the reconstruction mesh has a grid structure of which the size is larger than that of a forward mesh and equal to the image spatial resolution.

摘要翻译： 一种图像重建装置，包括：发送信号生成单元，被配置为在图像重建区域中生成发送信号，以便获取图像重建值; 电磁波测量单元，被配置为通过接收所述发送信号来测量电磁波; 图像重建单元，被配置为通过使用分配给图像重建区域中的重建网格的每个节点的Sinc-Gauss形基础函数的匹配系统的矩阵来更新参数，并生成图像重建值; 以及优化确定单元，被配置为确定图像重建单元的参数是否被优化，并且输出图像重建值或使图像重建单元重复执行计算，其中重建网格具有网格结构，其中， 尺寸大于前向网格的尺寸，并且等于图像空间分辨率。

公开(公告)号：US20100109957A1

公开(公告)日：2010-05-06

申请号：US12610524

申请日：2009-11-02

申请人： Jung-Ick MOON ,  Soon-Soo OH ,  Joung-Myoun KIM ,  Soon-Ik JEON ,  Chang-Joo KIM

发明人： Jung-Ick MOON ,  Soon-Soo OH ,  Joung-Myoun KIM ,  Soon-Ik JEON ,  Chang-Joo KIM

IPC分类号： G01R29/08 ,  G06F17/50

CPC分类号： G01R29/10 ,  G06F17/5018

摘要： Provided are an antenna radiation performance measuring apparatus and a method for designing the same. The apparatus includes a chamber configured to include a transmit antenna radiating electromagnetic wave, a receive antenna receiving the electromagnetic wave, and an electromagnetic wave absorber absorbing the electromagnetic wave, and a reflector disposed on one side of the chamber between the transmit antenna and the receive antenna, inclined at a predetermined angle, and configured to reflect an electromagnetic wave radiated in a direction to the one side from the transmit antenna.

摘要翻译： 提供一种天线辐射性能测量装置及其设计方法。 该装置包括：室，被配置为包括辐射电磁波的发射天线，接收电磁波的接收天线和吸收电磁波的电磁波吸收体;以及设置在发射天线和接收器之间的室一侧的反射器 天线，以预定角度倾斜，并且被配置为反射从发射天线向一侧的方向辐射的电磁波。

公开(公告)号：US20090154409A1

公开(公告)日：2009-06-18

申请号：US12182569

申请日：2008-07-30

申请人： Hyunduk KANG ,  Chang-Joo KIM

发明人： Hyunduk KANG ,  Chang-Joo KIM

IPC分类号： H04Q7/20

CPC分类号： H04W16/18 ,  H04W16/14

摘要： Provided is a method for evaluating spectrum utilization efficiency in a radio system sharing frequency. The method for evaluating spectrum utilization efficiency of a frequency sharing radio system in a radio environment having a first radio system using at least one specific frequency in an allocated frequency band and a second radio system sharing the frequency band allocated by the first radio system, includes calculating net coverage per unit area based on a design parameter on the first radio system and a design parameter on the second radio system; and evaluating spectrum utilization efficiency based on the calculated net coverage per unit area.

摘要翻译： 提供了一种用于评估无线电系统共享频率中的频谱利用效率的方法。 在具有在分配频带中使用至少一个特定频率的第一无线电系统的无线电环境中的频率共享无线电系统的频谱利用效率评估方法和共享由第一无线电系统分配的频带的第二无线电系统的方法包括 基于第一无线电系统上的设计参数和第二无线电系统上的设计参数来计算每单位面积的净覆盖范围; 并根据计算的单位面积净覆盖率评估频谱利用效率。

公开(公告)号：US20110116516A1

公开(公告)日：2011-05-19

申请号：US13014246

申请日：2011-01-26

申请人： Sung-Hyun HWANG ,  Chang-Joo KIM ,  Myung-Sun SONG ,  Jung-Sun UM

发明人： Sung-Hyun HWANG ,  Chang-Joo KIM ,  Myung-Sun SONG ,  Jung-Sun UM

IPC分类号： H04J1/02 ,  H04L27/06 ,  H04L27/28

CPC分类号： H04W72/0406 ,  H04L5/0007 ,  H04L5/0048

摘要： Provided is a method of generating a pilot pattern capable of perform adaptive channel estimation, and a method and apparatus of a base station and a method and apparatus of a terminal using the pilot pattern.The pilot pattern selects pilot symbol positions based on distances from pilots of previous orthogonal frequency division multiple access (OFDMA) symbols to a subcarrier position of a current OFDMA symbol in the frequency domain and the time domain, so that a low pilot density is maintained so as to effectively transmit data, and stable channel estimation performance can be obtained even in a bad channel environment.In addition, the minimum burst allocation size is determined according to the channel environment between the base station and the terminal, guaranteeing channel estimation performance suitable for the channel environment, and improving granularity, channel estimation latency, and channel estimation memory size.

公开(公告)号：US20110116411A1

公开(公告)日：2011-05-19

申请号：US13014213

申请日：2011-01-26

申请人： Sung-Hyun HWANG ,  Chang-Joo KIM ,  Myung-Sun SONG ,  Jung-Sun UM

发明人： Sung-Hyun HWANG ,  Chang-Joo KIM ,  Myung-Sun SONG ,  Jung-Sun UM

IPC分类号： H04W72/04 ,  H04L12/26

CPC分类号： H04W72/0406 ,  H04L5/0007 ,  H04L5/0048

摘要： Provided is a method of generating a pilot pattern capable of perform adaptive channel estimation, and a method and apparatus of a base station and a method and apparatus of a terminal using the pilot pattern.The pilot pattern selects pilot symbol positions based on distances from pilots of previous orthogonal frequency division multiple access (OFDMA) symbols to a subcarrier position of a current OFDMA symbol in the frequency domain and the time domain, so that a low pilot density is maintained so as to effectively transmit data, and stable channel estimation performance can be obtained even in a bad channel environment.In addition, the minimum burst allocation size is determined according to the channel environment between the base station and the terminal, guaranteeing channel estimation performance suitable for the channel environment, and improving granularity, channel estimation latency, and channel estimation memory size.

摘要翻译： 提供了一种生成能够执行自适应信道估计的导频模式的方法，以及基站的方法和装置以及使用导频模式的终端的方法和装置。 导频模式基于从先前的正交频分多址（OFDMA）符号的导频到频域和时域中的当前OFDMA符号的子载波位置的距离来选择导频符号位置，从而维持低导频密度 为了有效地发送数据，即使在恶劣的信道环境中也可以获得稳定的信道估计性能。 另外，根据基站和终端之间的信道环境确定最小突发分配大小，保证适合信道环境的信道估计性能，提高粒度，信道估计延迟和信道估计存储器大小。

公开(公告)号：US20110045862A1

公开(公告)日：2011-02-24

申请号：US12858841

申请日：2010-08-18

申请人： Jung-Sun UM ,  Myung-Sun SONG ,  Chang-Joo KIM ,  Gwangzeen KO ,  Sung-Hyun HWANG ,  Sang-Won KIM ,  Changhyun PARK

发明人： Jung-Sun UM ,  Myung-Sun SONG ,  Chang-Joo KIM ,  Gwangzeen KO ,  Sung-Hyun HWANG ,  Sang-Won KIM ,  Changhyun PARK

IPC分类号： H04W72/10 ,  H04B17/00

CPC分类号： H04W72/085 ,  H04W16/14 ,  H04W72/042

摘要： A CR apparatus for performing communication in a CR network includes: a communication unit configured to measure a channel estimation signal, transmit measured channel state information to a master device, and, when a QP of a reference channel arrives, make a communication channel transition to a candidate channel and perform communication; and a channel information management unit configured to receive and manage the channel state information measured by the communication unit and channel information comprising a candidate channel, into which a channel transition is to be made during a QP of the reference channel, received from the master device and control channel transition of the communication unit based on the channel information.

摘要翻译： 用于在CR网络中执行通信的CR装置包括：通信单元，被配置为测量信道估计信号，将测量的信道状态信息发送到主设备，并且当参考信道的QP到达时，使通信信道转换到 候选频道并进行通信; 以及信道信息管理单元，被配置为接收和管理由所述通信单元测量的信道状态信息，以及信道信息，所述信道信息包括在从所述主设备接收的参考信道的QP期间将要进行信道转换的候选信道 以及基于信道信息的通信单元的控制信道转换。

公开(公告)号：US20100156695A1

公开(公告)日：2010-06-24

申请号：US12540058

申请日：2009-08-12

申请人： Dong-Uk SIM ,  Jong Hwa KWON ,  Sang Il KWAK ,  Je Hoon YUN ,  Chang-Joo KIM

发明人： Dong-Uk SIM ,  Jong Hwa KWON ,  Sang Il KWAK ,  Je Hoon YUN ,  Chang-Joo KIM

IPC分类号： H01Q17/00

CPC分类号： H01Q17/008

摘要： An electromagnetic absorber using resistive material includes a ground plane of a conductive material; a dielectric layer formed on the ground plane; and a pattern layer in which specific unit cell patterns made of a resistive material are periodically arranged on the dielectric layer. The electromagnetic absorber is applied to an electronic toll collection system, a transportation device, a building structure, an electronic device and an anechoic chamber.

摘要翻译： 使用电阻材料的电磁吸收器包括导电材料的接地平面; 形成在地平面上的电介质层; 以及由电阻材料制成的特定单元电池图案周期性地布置在电介质层上的图案层。 电磁吸收器应用于电子收费系统，运输装置，建筑结构，电子装置和电波暗室。

公开(公告)号：US20100156523A1

公开(公告)日：2010-06-24

申请号：US12578849

申请日：2009-10-14

申请人： Jong Hwa KWON ,  Dong-Uk SIM ,  Sang Il KWAK ,  Je Hoon YUN ,  Chang-Joo KIM

发明人： Jong Hwa KWON ,  Dong-Uk SIM ,  Sang Il KWAK ,  Je Hoon YUN ,  Chang-Joo KIM

IPC分类号： H03K5/1252

CPC分类号： H05K1/0236 ,  H05K2201/09309 ,  H05K2201/09627

摘要： An electromagnetic-wave suppression structure in a multilayer PCB or package structure is supplied with a power to be used therein by a power distribution network including a power plane and a ground plane. The multilayer PCB and package includes: an electromagnetic-wave suppression structure including an electromagnetic band-gap; and the electromagnetic-wave suppression structure is formed at a specific portion(s) of the power plane and/or the ground plane to suppress noises.

摘要翻译： 在多层PCB或封装结构中的电磁波抑制结构由包括电力平面和接地平面的配电网络供电供其使用。 多层PCB和封装包括：包括电磁带隙的电磁波抑制结构; 并且电磁波抑制结构形成在电力平面和/或接地平面的特定部分以抑制噪声。