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    • 31. 发明申请
    • CELL SEARCH METHOD IN OFDM CELLULAR SYSTEM, FRAME TRANSMISSION METHOD THEREOF, AND FORWARD LINK FRAME STRUCTURE
    • OFDM蜂窝系统中的小区搜索方法,帧传输方法和前向链路帧结构
    • US20090067370A1
    • 2009-03-12
    • US12093428
    • 2006-11-10
    • Il-Gyu KimNam-Il KimHyeong-Geun ParkKap-Seok ChangYoung-Hoon KimSeung-Chan Bang
    • Il-Gyu KimNam-Il KimHyeong-Geun ParkKap-Seok ChangYoung-Hoon KimSeung-Chan Bang
    • H04W36/00H04B1/713
    • H04B1/7083H04J11/0073H04L27/2613H04L27/2655H04L27/2656H04L27/2657H04L27/2662H04L27/2675H04L27/2684
    • Provided are a cell search method, a frame transmission method thereof, and a forward link frame structure thereof. The cell search method used by a terminal to search a target cell using reception signals received from a plurality of base stations, each base station transmitting a frame of its cell, in an Orthogonal Frequency-Division Multiplexing (OFDM) cellular system comprising a plurality cells to which a cell-specific scrambling code is assigned includes: detecting a hopping pattern of the target cell using reception sync channel symbols, which are signals corresponding to sync channel symbol positions of the reception signals, wherein the frame of each cell comprises M sync channel symbols code-hopped according to a hopping pattern of the cell, where M is a natural number equal to or greater than 2, each hopping pattern containing M sync channel code sequences and respectively corresponding to each code group to which a scrambling code of each cell belongs, and an arbitrary hopping pattern used in the OFDM cellular system differs from a cyclically shifted result of the hopping pattern, other hopping patterns, or cyclically shifted results of the other hopping patterns; and detecting a code group of the target cell based on the detected hopping pattern. Accordingly, a cell search time and the complexity of the cell search can be reduced.
    • 提供了一种小区搜索方法,其帧发送方法及其前向链路帧结构。 终端使用的小区搜索方法,在使用从多个基站接收的接收信号来搜索目标小区,每个基站在正交频分复用(OFDM)蜂窝系统中的每个基站发送其小区的帧,所述正交频分复用(OFDM)蜂窝系统包括多个小区 分配小区特定扰码的步骤包括:使用接收同步信道符号来检测目标小区的跳频模式,所述接收同步信道符号是对应于接收信号的同步信道符号位置的信号,其中每个小区的帧包括M个同步信道 根据小区的跳频模式跳码的符号,其中M是等于或大于2的自然数,每个跳频模式包含M个同步信道码序列,并且分别对应于每个小区的扰码的每个码组 属于,并且在OFDM蜂窝系统中使用的任意跳频模式与跳频模式的循环移位结果不同 跳频图案或其他跳频图案的循环移位结果; 以及基于检测到的跳频图案来检测目标小区的代码组。 因此,可以减少小区搜索时间和小区搜索的复杂度。
    • 35. 发明授权
    • Secondary battery with enhanced ability to prevent leakage
    • 二次电池具有增强的防止泄漏的能力
    • US08697276B2
    • 2014-04-15
    • US12962235
    • 2010-12-07
    • Jung-Il NamYoung-Hoon Kim
    • Jung-Il NamYoung-Hoon Kim
    • H01M2/02
    • H01M2/0404H01M2/06H01M2/263
    • A secondary battery includes a can having an interior space, an electrode assembly provided in the interior space of the can, and a cap assembly seated on an opening formed in the can to seal the can and electrically connected to the electrode assembly. The cap assembly includes a cap plate connected to the opening to seal the can; a tab plate mounted to one side of the cap plate and connected to the electrode assembly; an insulating plate interposed between the cap plate and the tab plate; an electrode pin passing through the cap plate, the tab plate, and the insulating plate to interconnect these elements; and an insulating gasket interposed between the cap plate and the electrode pin. Also, the electrode pin includes a head portion mounted to one side of the cap plate and formed in multiple stages in an area contacting the insulating gasket; and a column extending from the head portion and passing through the insulating gasket, the cap plate, the insulating plate, and the cap plate.
    • 二次电池包括具有内部空间的罐,设置在罐的内部空间中的电极组件,以及安置在形成在罐中的开口上的开口的盖组件,以密封罐并电连接到电极组件。 盖组件包括连接到开口以密封罐的盖板; 安装在盖板的一侧并连接到电极组件的接片板; 插入在所述盖板和所述翼片板之间的绝缘板; 电极针穿过盖板,接片板和绝缘板以互连这些元件; 以及插入在盖板和电极针之间的绝缘垫片。 此外,电极销包括安装在盖板的一侧并在与绝缘垫片接触的区域中多级形成的头部; 以及从头部延伸并穿过绝缘垫圈,盖板,绝缘板和盖板的柱。
    • 38. 发明申请
    • PRE-DISTORTION APPARATUS OF POWER AMPLIFIER AND METHOD THEREOF
    • 功率放大器的预失真装置及其方法
    • US20110063026A1
    • 2011-03-17
    • US12883580
    • 2010-09-16
    • Jae-Ho JUNGGweon-Do JoYoung-Hoon KimJung-Hoon OhKwang-Chun Lee
    • Jae-Ho JUNGGweon-Do JoYoung-Hoon KimJung-Hoon OhKwang-Chun Lee
    • H03F1/26
    • H03F1/3247H03F1/0266H03F3/189H03F3/24H03F2201/3233
    • A pre-distortion apparatus of a power amplifier includes: a pre-distortion unit configured to generate a pre-distorted signal of an input signal by calculating a magnitude of the input signal and outputting a complex correction coefficient corresponding to the calculated magnitude of the input signal, and provide the generated pre-distorted signal as an input of the power amplifier; and a complex correct coefficient update unit configured to generate an error signal by comparing an output signal of the power amplifier with the input signal and updating the complex correction coefficient to minimize a magnitude of the generated error signal, wherein the pre-distortion unit provides a constant bias value corresponding to the magnitude of the input signal as a bias of the power amplifier while updating the complex correction coefficient.
    • 功率放大器的预失真装置包括:预失真单元,被配置为通过计算输入信号的幅度来产生输入信号的预失真信号,并输出与所计算的输入的幅度相对应的复数校正系数 信号,并且将生成的预失真信号提供给功率放大器的输入; 以及复数正确系数更新单元,其被配置为通过将所述功率放大器的输出信号与所述输入信号进行比较来生成误差信号,并更新所述复数校正系数以最小化所生成的误差信号的幅度,其中所述预失真单元提供 对应于作为功率放大器的偏置的输入信号的大小的恒定偏置值,同时更新复数校正系数。