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    • 4. 发明申请
    • METHOD AND DEVICE FOR RECEIVING BROADCASTING PROGRAM
    • 用于接收广播节目的方法和设备
    • US20110219415A1
    • 2011-09-08
    • US13127644
    • 2009-11-04
    • Young Kwon HahmYun Jeong SongSoo In Lee
    • Young Kwon HahmYun Jeong SongSoo In Lee
    • H04N7/173
    • H04N21/4333H04N7/17318H04N21/231H04N21/6408H04N21/658
    • Provided is a broadcasting receiving method and device. The method detects the time of a televised broadcasting program, and provides the broadcasting program to the user from the start thereof. More specifically, the method requests transmission of the broadcasting program before a first time through the second network at the first time of the broadcasting program before a first time through the second network at the first time of the broadcasting program received through the first network, and stores the broadcasting program received through the first network at the first time. The broadcasting program, which was broadcasted before the first time, received through the second network from the first time to the second time is displayed and the stored broadcasting program after the second time is displayed.
    • 提供了一种广播接收方法和装置。 该方法检测电视广播节目的时间,并从广播节目开始向用户提供广播节目。 更具体地,该方法在通过第一网络接收的广播节目的第一时间通过第二网络首次通过第一网络在广播节目的第一时间通过第二网络发送广播节目,并且 在第一时间存储通过第一网络接收的广播节目。 显示在第一次之前通过第二网络从第一次接收到第二次广播的广播节目,并且显示第二次之后存储的广播节目。
    • 5. 发明授权
    • QAM symbol slicing method and apparatus
    • QAM符号切片方法和装置
    • US07933364B2
    • 2011-04-26
    • US12473051
    • 2009-05-27
    • Eun Sook JinYun Jeong SongSoo In Lee
    • Eun Sook JinYun Jeong SongSoo In Lee
    • H04L27/06
    • H04L27/3881
    • A method for slicing a symbol in a QAM digital demodulator, includes acquiring a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and extracting a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof. Further, a symbol slicer for detecting a QAM symbol, includes digital sampling units, each of which acquires a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and a symbol bit sequence extracting unit that extracts a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof.
    • 一种用于在QAM数字解调器中对符号进行分片的方法,包括通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及通过使用其LSB来从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。 此外,用于检测QAM符号的符号限幅器包括数字采样单元,每个采样单元通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及符号比特序列提取单元,通过使用其LSB,从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。
    • 6. 发明申请
    • QAM SYMBOL SLICING METHOD AND APPARATUS
    • QAM符号切片方法和装置
    • US20090232255A1
    • 2009-09-17
    • US12473051
    • 2009-05-27
    • Eun Sook JINYun Jeong SongSoo In Lee
    • Eun Sook JINYun Jeong SongSoo In Lee
    • H04L27/34
    • H04L27/3881
    • A method for slicing a symbol in a QAM digital demodulator, includes acquiring a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and extracting a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof. Further, a symbol slicer for detecting a QAM symbol, includes digital sampling units, each of which acquires a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and a symbol bit sequence extracting unit that extracts a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof.
    • 一种用于在QAM数字解调器中对符号进行分片的方法,包括通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及通过使用其LSB来从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。 此外,用于检测QAM符号的符号限幅器包括数字采样单元,每个采样单元通过对同相坐标或正交相位坐标中的符号信号进行采样来获取数字整数值; 以及符号比特序列提取单元,通过使用其LSB,从数字整数值的整个比特序列中提取同相坐标或正交相位坐标中的符号比特序列。
    • 7. 发明申请
    • Method of configuring hierarchical network of user group and resource group and key distribution center
    • 配置用户组和资源组和密钥分发中心的分层网络的方法
    • US20080141177A1
    • 2008-06-12
    • US11978877
    • 2007-10-30
    • Hang Seung KooYun Jeong SongSoo In Lee
    • Hang Seung KooYun Jeong SongSoo In Lee
    • G06F3/048
    • H04L41/00H04L63/062H04L63/104
    • Provided are a method of configuring a hierarchical network of user groups and resource groups, and a key distribution center. The method includes the steps of: analyzing hierarchical connection relationships between respective user groups and respective resource groups, comparing redundancy rates of the respective hierarchical connection relationships, and determining a connection mode having a larger redundancy rate; separating the respective user groups and resource groups and hierarchically connecting the user groups with the resource groups, according to the determined connection mode; comparing hierarchical connections between the respective separated user groups and resource groups, and removing an overlapping hierarchical connection; and recombining the separate hierarchical connections except for the overlapping hierarchical connection, and configuring an entire network.
    • 提供了一种配置用户组和资源组的分层网络以及密钥分配中心的方法。 该方法包括以下步骤:分析各个用户组与各个资源组之间的分层连接关系,比较各分级连接关系的冗余率,并确定冗余率较大的连接模式; 根据所确定的连接模式,分离各个用户组和资源组,并将用户组与资源组分层连接; 比较各个分离的用户组和资源组之间的分层连接,以及移除重叠的分级连接; 并重新组合除了重叠的分层连接之外的单独的分层连接,以及配置整个网络。
    • 9. 发明授权
    • Fixed codebook search method through iteration-free global pulse replacement and speech coder using the same method
    • 固定码本搜索方法通过无迭代全局脉冲替换和语音编码器采用相同的方法
    • US08249864B2
    • 2012-08-21
    • US12442554
    • 2007-04-11
    • Eung Don LeeJong Mo SungYun Jeong SongSoo In Lee
    • Eung Don LeeJong Mo SungYun Jeong SongSoo In Lee
    • G10L19/00G10L15/00
    • G10L19/12G10L2019/0013
    • Provided are a fixed codebook search method based on iteration-free global pulse replacement in a speech codec, and a Code-Excited Linear-Prediction (CELP)-based speech codec using the method. The fixed codebook search method based on iteration-free global pulse replacement in a speech codec includes the steps of: (a) determining an initial codevector using a pulse-position likelihood vector or a correlation vector; (b) calculating a fixed-codebook search criterion value for the initial codevector; (c) calculating fixed-codebook search criterion values for respective codevectors obtained by replacing a pulse of the initial codevector each time for respective tracks, and determining a pulse position generating the largest fixed-codebook search criterion value as a candidate pulse position for the respective tracks, respectively; (d) calculating fixed-codebook search criterion values for respective codevectors of all combinations obtained by replacing at least one pulse position of the initial codevector with the candidate pulse positions of the respective tracks, and determining the largest value of the fixed-codebook search criterion values; and (e) comparing the fixed-codebook search criterion value for the initial codevector obtained in step (b) with the largest value determined in step (d) to determine an optimum fixed codevector.
    • 提供了一种基于语音编解码器中基于无迭代全局脉冲替换的固定码本搜索方法,以及使用该方法的基于码激励线性预测(CELP)的语音编解码器。 基于语音编解码器中基于无迭代全局脉冲替换的固定码本搜索方法包括以下步骤:(a)使用脉冲位置似然矢量或相关矢量确定初始码矢量; (b)计算初始码矢量的固定码本搜索标准值; (c)通过每次针对各个磁道替换初始码矢量的脉冲而获得的各个码矢量的固定码本搜索条件值计算,并且确定产生最大固定码本搜索标准值的脉冲位置作为相应磁道的候选脉冲位置 轨道; (d)通过将所述初始码矢量的至少一个脉冲位置替换为各个轨道的候选脉冲位置而获得的所有组合的相应代码矢量的固定码本搜索标准值计算,并且确定固定码本搜索标准的最大值 价值观 和(e)将步骤(b)中获得的初始码矢量的固定码本搜索标准值与步骤(d)中确定的最大值进行比较,以确定最佳固定码矢量。