Apparatus for Estimating Phase Error and Phase Error Correction System Using the Same
    1.
    发明申请
    Apparatus for Estimating Phase Error and Phase Error Correction System Using the Same 失效
    用于估计相位误差和相位误差校正系统的装置

    公开(公告)号:US20080273585A1

    公开(公告)日:2008-11-06

    申请号:US12094851

    申请日:2006-09-11

    IPC分类号: H04B17/00 H04L7/00

    摘要: Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside to a log A posterior probability ratio (LAPPR) value; an APP value calculating unit for calculating a posterior probability (APP) value by applying a negative exponential function to the transmission symbol; an average value deciding unit for deciding an average value for each transmission symbol using the probability information entirely, partially, or selectively according to a probability information type; and a symbol phase estimating unit for estimating a phase of a symbol based on the decided average value.

    摘要翻译: 提供了一种使用相位误差估计装置估计相位误差的装置和相位误差校正系统。 该装置包括:概率值估计单元,用于通过将从外部传送的软输出信息变换为对数A后验概率比(LAPPR)值来估计每个发送符号的负对数概率值; APP值计算单元,用于通过对发送符号应用负指数函数来计算后验概率(APP)值; 平均值确定单元,用于根据概率信息类型完全,部分或选择地使用概率信息来确定每个传输符号的平均值; 以及符号相位估计单元,用于基于所确定的平均值来估计符号的相位。

    Apparatus for Estimating Phase Offset of Multiple Survival Paths and Digital Wired/Wireless Communication System Using the Same
    2.
    发明申请
    Apparatus for Estimating Phase Offset of Multiple Survival Paths and Digital Wired/Wireless Communication System Using the Same 审中-公开
    用于估计多个存活路径的相位偏移的装置和使用其的数字有线/无线通信系统

    公开(公告)号:US20080310560A1

    公开(公告)日:2008-12-18

    申请号:US12094717

    申请日:2006-05-26

    IPC分类号: H04L27/06

    摘要: Provided is an apparatus for estimating phase offsets of multiple survival paths and a satellite communication system using the same. The apparatus includes: upper/lower decoding units for obtaining a phase offset estimation value and estimating phase offsets of each survival path based on a stored parameter estimation value of a previous state inputted from an external device; an interleaving/de-interleaving unit for minimizing correlation between data used to estimate a parameter according to the estimated phase offset value from the upper/lower decoding means; and a phase offset outputting unit for outputting the phase offset value estimated through the upper decoding unit and the de-interleaving unit.

    摘要翻译: 提供了一种用于估计多个存活路径的相位偏移的装置和使用其的卫星通信系统。 该装置包括:上/下解码单元,用于获得相位偏移估计值,并且基于从外部设备输入的先前状态的存储参数估计值来估计每个生存路径的相位偏移; 交织/解交织单元,用于根据来自上/下解码装置的估计相位偏移值,最小化用于估计参数的数据之间的相关性; 以及相位偏移输出单元,用于输出通过上部解码单元和解交织单元估计的相位偏移值。

    Apparatus for estimating phase error and phase error correction system using the same
    3.
    发明授权
    Apparatus for estimating phase error and phase error correction system using the same 失效
    用于估计相位误差的装置和使用其的相位误差校正系统

    公开(公告)号:US08045646B2

    公开(公告)日:2011-10-25

    申请号:US12094851

    申请日:2006-09-11

    IPC分类号: H03K9/00

    摘要: Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside to a log A posterior probability ratio (LAPPR) value; an APP value calculating unit for calculating a posterior probability (APP) value by applying a negative exponential function to the transmission symbol; an average value deciding unit for deciding an average value for each transmission symbol using the probability information entirely, partially, or selectively according to a probability information type; and a symbol phase estimating unit for estimating a phase of a symbol based on the decided average value.

    摘要翻译: 提供了一种使用相位误差估计装置估计相位误差的装置和相位误差校正系统。 该装置包括:概率值估计单元,用于通过将从外部传送的软输出信息变换为对数A后验概率比(LAPPR)值来估计每个发送符号的负对数概率值; APP值计算单元,用于通过对发送符号应用负指数函数来计算后验概率(APP)值; 平均值确定单元,用于根据概率信息类型完全,部分或选择地使用概率信息来确定每个传输符号的平均值; 以及符号相位估计单元,用于基于所确定的平均值来估计符号的相位。