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    • 3. 发明公开
    • 다중 안테나 시스템에서 간섭 신호를 줄이기 위한 장치 및방법
    • 多天线系统干扰降低的装置和方法
    • KR1020080039711A
    • 2008-05-07
    • KR1020060107382
    • 2006-11-01
    • 삼성전자주식회사연세대학교 산학협력단
    • 류탁기황인수정영호황금찬이현우박상준
    • H04B7/08H04B7/04H04B7/26
    • H04L1/0618H04B7/0632H04L25/0328
    • An apparatus and a method for reducing interference signals in a MIMO(Multi Input Multi Output) system are provided to obtain the maximum diversity gain by selecting an antenna group matrix having the maximum SINR(Signal to Interference Noise Ratio) and executing precoded space-time block coding. A receiving unit in a MIMO system which uses a precoded space-time block coding scheme comprises a channel estimator and a feedback controller(109). The channel estimator estimates the channel of a signal received from a transmitting unit. The feedback controller comprises an antenna group matrix creation part(201), a channel state confirmation part, and an antenna group matrix selection part(205). The antenna group matrix creation part creates group matrixes of antennas installed in the transmitting unit. The channel state confirmation part confirms the channel state of each of the antenna group matrixes. The antenna group matrix selection part selects an antenna group matrix showing the best channel state and feeds information about the selected antenna group matrix back to the transmitting unit.
    • 提供了一种用于减少MIMO(多输入多输出)系统中的干扰信号的装置和方法,以通过选择具有最大SINR(信号与干扰噪声比)和执行预编码时空的天线组矩阵来获得最大分集增益 块编码。 使用预编码的时空块编码方案的MIMO系统中的接收单元包括信道估计器和反馈控制器(109)。 信道估计器估计从发送单元接收的信号的信道。 反馈控制器包括天线组矩阵创建部分(201),信道状态确认部分和天线组矩阵选择部分(205)。 天线组矩阵创建部分创建安装在发送单元中的天线组矩阵。 信道状态确认部确认每个天线组矩阵的信道状态。 天线组矩阵选择部选择表示最佳信道状态的天线组矩阵,并将关于所选择的天线组矩阵的信息返回给发送单元。