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    • 3. 发明授权
    • VDSL system based on DMT line coding, and method for determining length of cyclic prefix samples using the system
    • 基于DMT线路编码的VDSL系统,以及使用该系统确定循环前缀样本长度的方法
    • US07227890B2
    • 2007-06-05
    • US10503347
    • 2002-04-30
    • Chan MoonHui-Chul WonTae-Hyoung KimSeung-Ho ChooGi-Hong Im
    • Chan MoonHui-Chul WonTae-Hyoung KimSeung-Ho ChooGi-Hong Im
    • H04B1/38
    • H04L27/2607H04L1/0007
    • Disclosed is a VDSL (very high bit-rate digital subscriber line) system on the DMT line coding method basis and a method for determining a length of cyclic prefix samples using the system. The VDSL system comprises a transmitter data including cyclic prefix samples through a channel; a receiver for receiving the data including the cyclic prefix samples; a controller for controlling the transmitter and the receiver to control an initialization operation including handshake, training, channel analysis, and exchange, and a data transmission operation after the initialization operation; and a cyclic prefix sample length estimator for estimating an optimized length of the cyclic prefix sample on the basis of the correlation between the cyclic prefix sample and other data. According to the present invention, since no complex TEQ configuration required when fixing and using the length of the cyclic prefix sample is used, its configuration becomes simpler, and the optimized length of the cyclic prefix sample can be accurately determined.
    • 公开了基于DMT线路编码方法的VDSL(非常高的比特率数字用户线路)系统,以及使用该系统确定循环前缀样本的长度的方法。 VDSL系统包括通过信道包括循环前缀样本的发射机数据; 用于接收包括循环前缀样本的数据的接收器; 用于控制发送器和接收器以控制包括握手,训练,频道分析和交换的初始化操作的控制器,以及初始化操作之后的数据传输操作; 以及循环前缀样本长度估计器,用于基于循环前缀样本与其他数据之间的相关性来估计循环前缀样本的优化长度。 根据本发明,由于在使用固定和使用循环前缀样本的长度时不需要复杂的TEQ配置,所以其配置变得更简单,并且可以准确地确定循环前缀样本的优化长度。
    • 4. 发明申请
    • Vdsl system based on dmt line coding, and method for determining length of cyclic prefix samples using the system
    • 基于dmt线编码的Vdsl系统,以及使用该系统确定循环前缀样本长度的方法
    • US20060050776A1
    • 2006-03-09
    • US10503347
    • 2002-04-30
    • Chan MoonHui-Chul WonTae-Hyoung KimSeung-Ho ChooGi-Hong Im
    • Chan MoonHui-Chul WonTae-Hyoung KimSeung-Ho ChooGi-Hong Im
    • H04B1/38
    • H04L27/2607H04L1/0007
    • Disclosed is a VDSL (very high bit-rate digital subscriber line) system on the DMT line coding method basis and a method for determining a length of cyclic prefix samples using the system. The VDSL system comprises a transmitter data including cyclic prefix samples through a channel; a receiver for receiving the data including the cyclic prefix samples; a controller for controlling the transmitter and the receiver to control an initialization operation including handshake, training, channel analysis, and exchange, and a data transmission operation after the initialization operation; and a cyclic prefix sample length estimator for estimating an optimized length of the cyclic prefix sample on the basis of the correlation between the cyclic prefix sample and other data. According to the present invention, since no complex TEQ configuration required when fixing and using the length of the cyclic prefix sample is used, its configuration becomes simpler, and the optiized length of the cyclic prefix sample can be accurately determined.
    • 公开了基于DMT线路编码方法的VDSL(非常高的比特率数字用户线路)系统,以及使用该系统确定循环前缀样本的长度的方法。 VDSL系统包括通过信道包括循环前缀样本的发射机数据; 用于接收包括循环前缀样本的数据的接收器; 用于控制发送器和接收器以控制包括握手,训练,频道分析和交换的初始化操作的控制器,以及初始化操作之后的数据传输操作; 以及循环前缀样本长度估计器,用于基于循环前缀样本与其他数据之间的相关性来估计循环前缀样本的优化长度。 根据本发明,由于在使用固定和使用循环前缀样本的长度时不需要复杂的TEQ配置,所以其配置变得更简单,并且可以准确地确定循环前缀样本的优化长度。