通信设备
    1.
    发明公开

    公开(公告)号:CN103873108A

    公开(公告)日:2014-06-18

    申请号:CN201310657231.5

    申请日:2013-12-06

    Applicant: 索尼公司

    Inventor: 宝地卓

    Abstract: 一种通信设备,包括:多普勒偏移量计算单元,被配置为计算接收信号的多普勒偏移量,所述接收信号由人造卫星接收并通过以预定载波频率对使用预定扩频码进行了频谱扩散的信号进行调制而获得;采样间隔设置单元,被配置为对所述接收信号进行向下采样的采样间隔;向下采样单元,被配置为对接收信号进行向下采样;相干叠加单元,被配置为对接收信号执行相干叠加;扩频码生成单元,被配置为生成扩频码;以及相位检测单元,被配置为执行相干叠加的计算结果和生成的所述扩频码之间的相关性计算,并根据所述相关性计算的结果检测所述接收信号的所述扩频码的相位。

    通信设备
    4.
    发明授权

    公开(公告)号:CN103873108B

    公开(公告)日:2017-01-18

    申请号:CN201310657231.5

    申请日:2013-12-06

    Inventor: 宝地卓

    Abstract: 一种通信设备,包括:多普勒偏移量计算单元,被配置为计算接收信号的多普勒偏移量,所述接收信号由人造卫星接收并通过以预定载波频率对使用预定扩频码进行了频谱扩散的信号进行调制而获得;采样间隔设置单元,被配置为对所述接收信号进行向下采样的采样间隔;向下采样单元,被配置为对接收信号进行向下采样;相干叠加单元,被配置为对接收信号执行相干叠加;扩频码生成单元,被配置为生成扩频码;以及相位检测单元,被配置为执行相干叠加的计算结果和生成的所述扩频码之间的相关性计算,并根据所述相关性计算的结果检测所述接收信号的所述扩频码的相位。

    一种频偏估计方法及装置

    公开(公告)号:CN106487735A

    公开(公告)日:2017-03-08

    申请号:CN201510552924.7

    申请日:2015-09-01

    Inventor: 魏继东

    Abstract: 本发明公开了一种频偏估计方法及装置,所述方法包括:对目标用户的信道估计值和非目标用户的信道估计值进行重构,得到目标用户的重构信道估计值和非目标用户的重构信道估计值;利用目标用户所占子载波的频域数据及相邻的非目标用户所占子载波的频域数据、目标用户的重构信道估计值和非目标用户的重构信道估计值,计算已消除干扰的目标用户的本地导频的频域接收数据;利用所述消除干扰的目标用户的本地导频及频域接收数据,确定频偏估计值。本发明在测量过程中有效的利用相邻子载波上泄漏过来的频域数据进行频偏测量,保证了梳妆分布或非连续分布情况下的单符号导频的频偏估计性能,并通过消除或消减用户间干扰,提升了频偏测量精度。

    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL
    8.
    发明申请
    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL 审中-公开
    用于接收复合信号的方法和接收器

    公开(公告)号:WO2015105544A1

    公开(公告)日:2015-07-16

    申请号:PCT/US2014/057681

    申请日:2014-09-26

    Abstract: A data processor selects a set of BOC correlations in accordance with a BOC correlation function for the sampling period if the primary amplitude exceeds or equals the secondary amplitude for the sampling period. The data processor selects a set of QBOC correlations in accordance with a QBOC correlation function for the sampling period if the secondary amplitude exceeds the primary amplitude for the sampling period. The data processor uses either the BOC correlation function or the QBOC correlation function, whichever with greater amplitude, at each sampling period for carrier tracking. Further, the data processor, through combining two sets of BOC correlations with different chip spacings provides an alternative unambiguous code acquisition of the received signal.

    Abstract translation: 如果主振幅超过或等于采样周期的次级振幅,则数据处理器根据采样周期的BOC相关函数来选择一组BOC相关。 如果次级振幅超过采样周期的主振幅,则数据处理器根据采样周期的QBOC相关函数来选择一组QBOC相关。 在每个采样周期,数据处理器使用BOC相关函数或QBOC相关函数(以较大振幅为准),用于载波跟踪。 此外,数据处理器通过组合具有不同芯片间隔的两组BOC相关性来提供接收信号的替代性明确代码获取。

    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL
    9.
    发明申请
    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL 审中-公开
    用于接收复合信号的方法和接收器

    公开(公告)号:WO2015105543A2

    公开(公告)日:2015-07-16

    申请号:PCT/US2014/057669

    申请日:2014-09-26

    Abstract: A data processor (192) selects a set of BOC correlations in accordance with a BOC correlation function for the sampling period if the primary amplitude exceeds or equals the secondary amplitude for the sampling period. The data processor (192) selects a set of QBOC correlations in accordance with a QBOC correlation function for the sampling period if the secondary amplitude exceeds the primary amplitude for the sampling period. The data processor (192) uses either the BOC correlation function or the QBOC correlation function, whichever with greater amplitude, at each sampling period to provide an aggregate correlation function that supports unambiguous code acquisition of the received signal.

    Abstract translation: 如果主振幅超过或等于采样周期的次级振幅,则数据处理器(192)根据采样周期的BOC相关函数选择一组BOC相关。 如果次级振幅超过采样周期的主振幅,则数据处理器(192)根据采样周期的QBOC相关函数选择一组QBOC相关。 在每个采样周期,数据处理器(192)使用BOC相关函数或QBOC相关函数(以较大振幅为准)来提供支持接收信号的明确代码获取的聚合相关函数。

    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL
    10.
    发明申请
    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL 审中-公开
    用于接收复合信号的方法和接收器

    公开(公告)号:WO2015105543A3

    公开(公告)日:2015-09-03

    申请号:PCT/US2014057669

    申请日:2014-09-26

    Applicant: DEERE & CO

    Abstract: A data processor (192) selects a set of BOC correlations in accordance with a BOC correlation function for the sampling period if the primary amplitude exceeds or equals the secondary amplitude for the sampling period. The data processor (192) selects a set of QBOC correlations in accordance with a QBOC correlation function for the sampling period if the secondary amplitude exceeds the primary amplitude for the sampling period. The data processor (192) uses either the BOC correlation function or the QBOC correlation function, whichever with greater amplitude, at each sampling period to provide an aggregate correlation function that supports unambiguous code acquisition of the received signal.

    Abstract translation: 如果主振幅超过或等于采样周期的次振幅,则数据处理器(192)根据采样周期的BOC相关函数选择一组BOC相关。 如果次振幅超过采样周期的主振幅,则数据处理器(192)根据采样周期的QBOC相关函数选择一组QBOC相关。 数据处理器(192)在每个采样周期使用BOC相关函数或QBOC相关函数(无论哪一个具有较大幅度)来提供支持接收信号的明确代码获取的聚合相关函数。

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