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    • 2. 发明申请
    • Method and apparatus for cell selection in a mobile communication system
    • 移动通信系统中小区选择的方法和装置
    • US20070213061A1
    • 2007-09-13
    • US11713581
    • 2007-03-02
    • Chang-Young Kim
    • Chang-Young Kim
    • H04Q7/20
    • H04W36/22H04W64/006
    • Disclosed is a method and apparatus for cell selection, which can prevent the occurrence of an error in the cell selection in a mobile communication system supporting the hierarchical cell structure. The method includes: when the number of times of cell reselection during a cell reselection time period given to a particular User Equipment (UE) located within a micro cell exceeds a predetermined maximum number of times, determining if a sum of actual occupancy time intervals of the particular UE in Node Bs, services of which the particular UE has used up to then, is smaller than a predetermined value; and when the sum of actual occupancy time intervals of the particular UE in Node Bs, services of which the particular UE has used up to then, is smaller than the predetermined value, determining that the UE is in a low speed state and maintaining the micro cell as a service cell for the UE.
    • 公开了一种用于小区选择的方法和装置,其可以防止在支持分层小区结构的移动通信系统中小区选择中出现错误。 该方法包括:当在位于微小区内的特定用户设备(UE)的小区重选时间段内的小区重选次数超过预定的最大次数时,确定是否实际占用时间间隔的总和 节点B中的特定UE(特定UE已经使用的服务)小于预定值; 并且当节点B中的特定UE的实际占用时间间隔的总和(特定UE已经用尽的服务)小于预定值时,确定UE处于低速状态并保持微处理器 小区作为UE的服务小区。
    • 3. 发明申请
    • Mobile communication terminal and control method thereof
    • 移动通信终端及其控制方法
    • US20060073829A1
    • 2006-04-06
    • US11239357
    • 2005-09-30
    • Ki-Ho ChoChang-Young Kim
    • Ki-Ho ChoChang-Young Kim
    • H04Q7/20
    • H04W88/06H04W16/24H04W36/14
    • A mobile communication terminal and a control method thereof are provided, where a plurality of antennas receives signals from systems having different frequency bands and a plurality of system modems communicates with the systems having the different frequency bands, respectively. A switching unit positioned between the plurality of antennas and the plurality of system modems selectively connects the plurality of antennas with the plurality of system modems. In a handover between the systems having the different frequency bands, a controller controls the switching unit to connect the system modem of a handed-over system to a predetermined one of the plurality of antennas.
    • 提供一种移动通信终端及其控制方法,其中多个天线从具有不同频带的系统接收信号,并且多个系统调制解调器分别与具有不同频带的系统进行通信。 位于多个天线和多个系统调制解调器之间的切换单元选择性地将多个天线与多个系统调制解调器连接。 在具有不同频带的系统之间的切换中,控制器控制切换单元将切换系统的系统调制解调器连接到多个天线中的预定的一个天线。
    • 4. 发明授权
    • Method and apparatus for generating white component and controlling the brightness in display devices
    • 用于产生白色分量并控制显示装置中的亮度的方法和装置
    • US06724934B1
    • 2004-04-20
    • US09562432
    • 2000-05-01
    • Seong-deok LeeChang-young KimDu-sik ParkYang-seock SeoJeong-yeop Kim
    • Seong-deok LeeChang-young KimDu-sik ParkYang-seock SeoJeong-yeop Kim
    • G06K900
    • G09G5/02H04N9/646H04N9/67
    • A method and apparatus for generating a white signal component and for controlling the brightness of an image are provided. In the above method and apparatus, the brightness increases of Red, Green and Blue, the saturations of which are not decreased from an input image are calculated using a vector, and the minimum value of such increases is utilized as the input value for the white component. Further, by adding brightness control components of RGB color to the input RGB signals, brightness increases in the direction of the original colors instead of the achromatic one are possible, which is the way the white component is added so as to increase the luminance of color display devices representing a color using a color filter such a flat panel display. Accordingly, a color saturation of the image is not decreased even with addition of the achromatic color a component. In other words, in converting a signal from the three colors such as RGB into the four colors inclusive of white component, the present invention is capable of increasing the brightness without reduction of saturation as well as extracting the white component in an easy and efficient way, which enhances the performance of image processing apparatuses such as color display devices and the like.
    • 提供了一种用于产生白色信号分量并用于控制图像的亮度的方法和装置。 在上述方法和装置中,红色,绿色和蓝色的亮度增加使用向量计算其输入图像的饱和度不降低,并且这种增加的最小值被用作白色的输入值 零件。 此外,通过向输入的RGB信号添加RGB颜色的亮度控制分量,可以在原色方向上增加亮度而不是消色差,这是添加白色分量以增加颜色亮度的方式 使用诸如平板显示器的滤色器表示颜色的显示设备。 因此,即使添加无色成分,也不会降低图像的色彩饱和度。 换句话说,在将诸如RGB的三种颜色的信号转换为包括白色分量的四种颜色的情况下,本发明能够在不降低饱和度的同时提高亮度以及以简单有效的方式提取白色分量 ,这增强了诸如彩色显示装置等的图像处理装置的性能。
    • 5. 发明授权
    • Image segmenting apparatus and method
    • 图像分割装置及方法
    • US06606408B1
    • 2003-08-12
    • US09562029
    • 2000-05-01
    • Dong-joong KangSeong-deok LeeJi-yeun KimChang-young KimYang-seock Seo
    • Dong-joong KangSeong-deok LeeJi-yeun KimChang-young KimYang-seock Seo
    • G06K900
    • G06T7/162G06T7/11G06T2207/10016
    • An image segmenting apparatus and method is provided. The image segmenting apparatus includes an initial image segmenting unit, a region structurizing unit and a redundant region combiner. The initial image segmenting unit converts color signals of an input image into a color space which is based on predetermined signals, and segments the input image into a plurality of regions according to positions of color pixels of the input image in the color space. The region structurizing unit classifies the plurality of regions into layers according to horizontal, adjacent relation and hierarchical, inclusive relation between the regions, and groups adjacent regions into region groups in each layer, so as to derive a hierarchical, inclusive relation between the region groups. The redundant region combiner determines the order in which adjacent regions are combined according to the horizontal, adjacent relation between regions and the hierarchical, inclusive relation between region groups. The redundant region combiner also determines whether to combine adjacent regions according to the determined combination order, and combines adjacent regions if the adjacent regions are determined to be substantially the same. Even if regions appears to be adjacent each other in a region adjacent graph (RAG), a structural inclusive relation between regions can be derived by excluding the combination of the regions or rearranging their combination order according to a hierarchical structure. Subsequently, the mutual relation between two regions can be inferred from the inclusive relation even if the color signals of the two regions, for example, a region in a highlighted area and a region in its surrounding area, are not similar to each other.
    • 提供了一种图像分割装置和方法。 图像分割装置包括初始图像分割单元,区域结构化单元和冗余区域组合器。 初始图像分割单元将输入图像的颜色信号转换为基于预定信号的颜色空间,并根据输入图像在颜色空间中的颜色像素的位置将输入图像分割成多个区域。 区域结构化单元根据水平,相邻关系和区域之间的层次关系以及相邻区域之间的层次关系将多个区域分类为各层中的区域组,从而导出区域组之间的层次关系 。 冗余区域组合器根据区域之间的水平,相邻关系和区域组之间的层次关系确定相邻区域的组合顺序。 冗余区域组合器还根据确定的组合顺序确定是否组合相邻区域,并且如果相邻区域被确定为基本相同,则组合相邻区域。 即使在区域相邻图(RAG)中看起来彼此相邻,也可以通过排除区域的组合或根据层次结构重排其组合顺序来导出区域之间的结构性包含关系。 随后,即使两个区域的颜色信号,例如突出显示区域中的区域和其周围区域中的区域彼此不相似,也可以从包含关系推断两个区域之间的相互关系。
    • 6. 发明授权
    • Apparatus and method for preventing degradation of RF performance due to impedance change of antenna in mobile communication terminal
    • 用于防止由于移动通信终端中的天线的阻抗变化引起的RF性能劣化的装置和方法
    • US07929987B2
    • 2011-04-19
    • US11702903
    • 2007-02-06
    • Yeon-Joo LeeSung-Min LeeChang-Young KimJeong-Hun Kim
    • Yeon-Joo LeeSung-Min LeeChang-Young KimJeong-Hun Kim
    • H04M1/00
    • H03F1/56
    • Disclosed are an apparatus and a method for preventing the degradation of RF performance due to a change in impedance of an antenna in a mobile communication terminal. The mobile communication terminal includes a plurality of impedance matching circuits and a controller of the mobile communication terminal is adapted to measure the reflection voltage of the antenna, select one impedance matching circuit corresponding to the measured reflection voltage, and connected with the antenna through the selected impedance matching circuit. As a result, when the impedance value of the antenna is changed, it is possible to prevent the degradation of performance of the RF module of the mobile communication terminal by using an impedance matching circuit, which can optimize the reflection loss caused by the reflection voltage of the antenna according to a change in impedance value.
    • 公开了一种用于防止由于移动通信终端中的天线的阻抗变化引起的RF性能劣化的装置和方法。 移动通信终端包括多个阻抗匹配电路,并且移动通信终端的控制器适于测量天线的反射电压,选择与所测量的反射电压相对应的一个阻抗匹配电路,并通过所选择的与天线连接 阻抗匹配电路。 结果,当天线的阻抗值改变时,可以通过使用阻抗匹配电路来防止移动通信终端的RF模块的性能的劣化,该阻抗匹配电路可以优化由反射电压引起的反射损耗 的天线根据阻抗值的变化。
    • 7. 发明授权
    • Method and apparatus for generating white component and controlling the brightness in display devices
    • 用于产生白色分量并控制显示装置中的亮度的方法和装置
    • US06876764B2
    • 2005-04-05
    • US10376485
    • 2003-03-03
    • Seong-deok LeeChang-young KimDu-sik ParkYang-seock SeoJeong-yeop Kim
    • Seong-deok LeeChang-young KimDu-sik ParkYang-seock SeoJeong-yeop Kim
    • H04N9/68G06K9/00G09G1/28G09G3/20G09G5/02G09G5/10H04N9/64H04N9/67H04N9/77
    • G09G5/02H04N9/646H04N9/67
    • A method and apparatus for generating a white signal component and for controlling the brightness of an image are provided. In the above method and apparatus, the brightness increases of Red, Green and Blue, the saturations of which are not decreased from an input image are calculated using a vector, and the minimum value of such increases is utilized as the input value for the white component. Further, by adding brightness control components of RGB color to the input RGB signals, brightness increases in the direction of the original colors instead of the achromatic one are possible, which is the way the white component is added so as to increase the luminance of color display devices representing a color using a color filter such a flat panel display. Accordingly, a color saturation of the image is not decreased even with addition of the achromatic color component. In other words, in converting a signal from the three colors such as RGB into the four colors inclusive of white component, the present invention is capable of increasing the brightness without reduction of saturation as well as extracting the white component in an easy and efficient way, which enhances the performance of image processing apparatuses such as color display devices and the like.
    • 提供了一种用于产生白色信号分量并用于控制图像的亮度的方法和装置。 在上述方法和装置中,红色,绿色和蓝色的亮度增加使用向量计算其输入图像的饱和度不降低,并且这种增加的最小值被用作白色的输入值 零件。 此外,通过向输入的RGB信号添加RGB颜色的亮度控制分量,可以在原色方向上增加亮度而不是消色差,这是添加白色分量以增加颜色亮度的方式 使用诸如平板显示器的滤色器表示颜色的显示设备。 因此,即使添加无彩色成分,也不会降低图像的色彩饱和度。 换句话说,在将诸如RGB的三种颜色的信号转换为包括白色分量的四种颜色的情况下,本发明能够在不降低饱和度的同时提高亮度以及以简单有效的方式提取白色分量 ,这增强了诸如彩色显示装置等的图像处理装置的性能。
    • 10. 发明授权
    • Method for providing a multicast service using a carrier-to-interference ratio in a hierarchical cell structure
    • 用于在分层小区结构中使用载波干扰比提供多播服务的方法
    • US07286826B2
    • 2007-10-23
    • US10784171
    • 2004-02-24
    • Chang-Young KimIl Han
    • Chang-Young KimIl Han
    • H04Q7/20
    • H04W4/06H04W16/32H04W36/04H04W36/30H04W72/005
    • A method for providing a multicast service from a macrocell or a microcell to a mobile station in a mobile communication system having a hierarchical cell structure in which a given area is divided into at least one macrocell and at least one microcell overlapping with each other. The mobile station receives a multicast service by accessing the macrocell or the microcell according to a carrier-to-interference ratio (C/I) for the multicast service measured in a macrocell area and according to an existence or non-existence of a concurrent call currently in service. When there is no concurrent call currently in service, the mobile station receives the multicast service by accessing the macrocell in an area where the measured C/I is equal to or greater than a required C/I. However, when there is a concurrent call currently in service, the mobile station receives the multicast service by accessing the macrocell or the microcell based on the current cell and the C/I.
    • 一种用于在具有分层小区结构的移动通信系统中从宏小区或微小区向移动台提供多播服务的方法,其中给定区域被划分为至少一个宏小区和至少一个与其相互重叠的微小区。 移动台根据在宏蜂窝区域中测量的多播服务的载波干扰比(C / I),根据是否存在并发呼叫,接入宏小区或微小区,接收组播业务。 目前在服役。 当不存在当前正在进行的并发呼叫时,移动台通过访问所测量的C / I等于或大于所需C / I的区域中的宏小区来接收多播服务。 然而,当存在当前正在服务的并发呼叫时,移动台通过基于当前小区和C / I访问宏小区或微小区来接收多播服务。