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    • 1. 发明申请
    • Transmitter and receiver in DBLAST system
    • DBLAST系统中的发射机和接收机
    • US20060164970A1
    • 2006-07-27
    • US11063125
    • 2005-02-22
    • Kyu-Ha LeeSung-Hun JungDae-Sik HongEun-Seok KoJae-Hee Cho
    • Kyu-Ha LeeSung-Hun JungDae-Sik HongEun-Seok KoJae-Hee Cho
    • H04J11/00H04J3/02
    • H04B7/0891H04B7/06H04L27/2608
    • A transmitter of a Diagonal Bell Laboratories Layered Space-Time (DBLAST) system includes an interleaver for performing interleaving for all sub-streams in a stream of a transmission signal, thereby generating an interleaved signal, a symbol repeater for generating a reverse-arranged signal rearranged in a reverse order to the interleaved signal, and a DBLAST transmit unit for transmitting the interleaved signal and the reverse-arranged signal through multiple transmit antennas. A receiver of a DBLAST system includes a DBLAST receive unit for receiving signals through multiple transmit antennas, a repeating symbol combiner for generating a combined signal; a deinterleaver for generating a deinterleaved signal; and a decoder for decoding the deinterleaved signal.
    • 对角贝尔实验室分层时空(DBLAST)系统的发射机包括交织器,用于对传输信号的流中的所有子流执行交织,从而产生交织的信号,用于产生反向排列的信号的符号中继器 以与交错信号相反的顺序重新排列,以及DBLAST发送单元,用于通过多个发送天线发送交织信号和反向排列的信号。 DBLAST系统的接收机包括用于通过多个发射天线接收信号的DBLAST接收单元,用于产生组合信号的重复符号组合器; 用于产生解交织信号的解交织器; 以及用于对解交错信号进行解码的解码器。
    • 4. 发明申请
    • Digital sampling rate converter for compensating for drop of in-band signal
    • 数字采样率转换器,用于补偿带内信号的下降
    • US20050280564A1
    • 2005-12-22
    • US10951249
    • 2004-09-27
    • Kyu-Ha Lee
    • Kyu-Ha Lee
    • H03H17/02H03H17/06H03M7/00
    • H03H17/0671
    • Disclosed is a digital sampling rate converter for compensating for a drop of an in-band signal, the digital sampling rate converter including a CIC (Cascaded Integrator-Comb) decimator for performing a decimation operation at a first decimation ratio based on an overall decimation ratio, for an input signal; a sub-decimator for performing a decimation operation at a second decimation ratio for a signal output from the CIC decimator; and a compensation unit for performing at least two multiplication operations and two addition operations with respect to a signal output from the sub-decimator using a lowest operation clock frequency in an assigned band.
    • 公开了一种数字采样率转换器,用于补偿带内信号的下降,该数字采样率转换器包括一个CIC(级联积分 - 梳状)抽取器,用于基于总抽取比率以第一抽取比率执行抽取运算 ,用于输入信号; 用于对从CIC抽取器输出的信号执行第二抽取比例的抽取操作的子抽取器; 以及补偿单元,用于使用分配频带中的最低操作时钟频率来执行关于从子抽取器输出的信号的至少两个乘法运算和两个相加运算。