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    MULTIPLE BRANCH PSYNC DETECTION MODULE
    13.
    发明申请
    MULTIPLE BRANCH PSYNC DETECTION MODULE 失效
    多分支PSYNC检测模块

    公开(公告)号：US20090034589A1

    公开(公告)日：2009-02-05

    申请号：US11852828

    申请日：2007-09-10

    Applicant: Mark David Hahm ,  Wei Luo ,  Li Fung Chang ,  Nelson R. Sollenberger ,  Hendrik Johannes Conroy

    Inventor： Mark David Hahm ,  Wei Luo ,  Li Fung Chang ,  Nelson R. Sollenberger ,  Hendrik Johannes Conroy

    IPC: H04J13/02

    CPC classification number: H04B1/7075 ,  H04B2201/70722 ,  H04B2201/70728

    Abstract: A wireless terminal is operable to receive a Wideband Code Division Multiple Access (WCDMA) signal from a base station and includes clock circuitry, a wireless interface, and a Primary Synchronization (PSYNC) module. The clock circuitry generates a wireless terminal clock using a wireless terminal oscillator. The wireless interface receives the WCDMA signal, which is produced by the base station using a base station clock that is produced using a base station oscillator that is more accurate than the wireless terminal oscillator. The PSYNC module includes a plurality of PSYNC correlation branches. Each PSYNC correlation branch phase rotates the WCDMA signal based upon a respective frequency offset, correlates the phase rotated WCDMA signal with a Primary Synchronization Channel (PSCH) code over a plurality of sampling positions, and produces PSYNC correlation energies based upon the correlations for each of the plurality of sampling positions.

    Abstract translation: 无线终端可操作以从基站接收宽带码分多址（WCDMA）信号，并且包括时钟电路，无线接口和主同步（PSYNC）模块。 时钟电路使用无线终端振荡器产生无线终端时钟。 无线接口接收由基站使用基站振荡器产生的WCDMA信号，该基站时钟是使用比无线终端振荡器更准确的基站振荡器产生的。 PSYNC模块包括多个PSYNC相关分支。 每个PSYNC相关分支相位基于相应的频率偏移旋转WCDMA信号，将相位旋转的WCDMA信号与多个采样位置上的主同步信道（PSCH）码相关联，并且基于每个的相关性产生PSYNC相关能量 多个采样位置。

    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL
    17.
    发明申请
    METHOD AND RECEIVER FOR RECEIVING A COMPOSITE SIGNAL 有权
    用于接收复合信号的方法和接收器

    公开(公告)号：US20150200800A1

    公开(公告)日：2015-07-16

    申请号：US14310775

    申请日：2014-06-20

    Applicant: DEERE & COMPANY

    Inventor： WEI YU ,  RICHARD G KEEGAN

    IPC: H04L27/26

    CPC classification number: H04B1/709 ,  G01S19/24 ,  G01S19/30 ,  H04B1/7075 ,  H04B1/70754 ,  H04B1/70755 ,  H04B1/7087 ,  H04B2201/70715 ,  H04B2201/70716 ,  H04B2201/70728 ,  H04B2201/7073 ,  H04L27/2663

    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. An electronic data processor determines whether the receiver is operating in a steady-state mode by evaluating the detected primary amplitude. The data processor selects and/or processes a set of BOC correlations for the sampling period to track a carrier of the received composite signal if the receiver is operating in the steady-state mode. In one embodiment, the data processor forms a first code error using the selected BOC correlations with a first chip spacing to drive the code tracking.

    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。 电子数据处理器通过评估检测到的主振幅来确定接收器是否处于稳态模式。 数据处理器在采样周期中选择和/或处理一组BOC相关，以便在接收机工作在稳态模式时跟踪所接收的复合信号的载波。 在一个实施例中，数据处理器使用所选择的BOC相关性与第一码片间隔形成第一码错误以驱动码跟踪。

    Communication device
    20.
    发明专利
    Communication device 有权
    通信设备

    公开(公告)号：JP2014120863A

    公开(公告)日：2014-06-30

    申请号：JP2012273560

    申请日：2012-12-14

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： HOCHI TAKU

    IPC: H04B1/7075

    CPC classification number: H04B1/709 ,  H04B1/7075 ,  H04B2201/70715 ,  H04B2201/70728

    Abstract: PROBLEM TO BE SOLVED: To improve accuracy of synchronization acquisition of reception signals from an artificial satellite such as a GPS satellite, with a simple configuration.SOLUTION: A Doppler shift amount calculation unit calculates a Doppler shift amount of a reception signal from an artificial satellite. A sampling interval setting unit sets a sampling interval for downsampling an A/D converted reception signal on the basis of the calculated Doppler shift amount. A downsampling unit downsamples the A/D converted reception signal by using the set sampling interval. A coherent addition unit performs coherent addition on the downsampled reception signal. A PN generation unit generates a spread code. A phase detection unit performs correlation operation between an operation result of the coherent addition and the generated spread code, and detects a phase of the spread code of the reception signal on the basis of a result of the correlation operation. The technology can be applied to a GPS receiver, for example.

    Abstract translation: 要解决的问题：以简单的配置提高来自诸如GPS卫星的人造卫星的接收信号的同步捕获的精度。解调：多普勒频移量计算单元计算来自人造卫星的接收信号的多普勒频移量 。 采样间隔设定单元基于计算出的多普勒频移量设定用于对A / D转换的接收信号进行下采样的采样间隔。 下采样单元使用设定的采样间隔对A / D转换的接收信号进行下采样。 相干相加单元对下采样的接收信号执行相干相加。 PN生成单元生成扩展码。 相位检测单元执行相干相加的运算结果与生成的扩展码之间的相关运算，并根据相关运算的结果来检测接收信号的扩展码的相位。 例如，该技术可以应用于GPS接收机。

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