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    • 5. 发明授权
    • Validation of beacon signals
    • 信标信号的验证
    • US07064708B2
    • 2006-06-20
    • US10693332
    • 2003-10-24
    • David AkopianHarri ValioSamuli PietilaJari Syrjarinne
    • David AkopianHarri ValioSamuli PietilaJari Syrjarinne
    • G01S5/02H04B7/185
    • G01S5/0221G01S19/20
    • A method for validating detected code modulated signals transmitted by beacons of a positioning system and received by a receiver comprises as a first step performing measurements for the detected beacon signals. Then, at least one of the detected beacon signals is selected as a calibration signal. In a next step, at least one allowed range for results of measurements for detected beacon signals other than the calibration signal are determined based on measurements for the detected calibration signal and on an available reference position of the receiver. Finally, each detection of a beacon signal for which results of performed measurements are outside of an allowed range is rejected. The invention relates equally to a corresponding receiver, to an electronic device comprising such a receiver, to a device cooperating with such a receiver and to a corresponding positioning system.
    • 用于验证由定位系统的信标发送并由接收机接收的检测到的码调制信号的方法包括作为对检测到的信标信号进行测量的第一步骤。 然后,选择检测到的信标信号中的至少一个作为校准信号。 在下一步骤中,基于检测到的校准信号的测量和接收机的可用参考位置来确定除了校准信号之外的检测到的信标信号的测量结果的至少一个允许范围。 最后,拒绝对所执行的测量结果超出允许范围的信标信号的每次检测。 本发明同样涉及对应的接收机,包括这种接收机的电子设备,与这种接收机配合的设备和相应的定位系统。
    • 9. 发明申请
    • Positioning Receiver
    • 定位接收机
    • US20070279280A1
    • 2007-12-06
    • US11578886
    • 2005-04-22
    • Harri ValioSamuli Pietila
    • Harri ValioSamuli Pietila
    • G01S5/14
    • G01S19/34G01S19/24G01S19/29
    • A positioning receiver is shown having one or more receiving channels for receiving a signal from a positioning station, a controlling element for controlling the reception of the signal from the positioning station, and a clock generator for generating a clock signal for said controlling element. The positioning receiver also has a sampler for taking samples at least first and second sampling rates, and (a selector) for selecting samples from the samples taken at the at least first and second sampling rates, to be used in the controlling element, for controlling signal reception. Furthermore, the invention relates to a system, a wireless communication device, a module, a method, and a computer software product.
    • 示出了具有一个或多个用于从定位站接收信号的接收通道的定位接收器,用于控制来自定位台的信号的接收的控制元件,以及用于产生用于所述控制元件的时钟信号的时钟发生器。 定位接收机还具有用于至少采样第一和第二采样率的采样器和用于从至少第一和第二采样率采样的样本中选择样本的采样器,以用于控制元件,用于控制 信号接收。 此外,本发明涉及一种系统,无线通信设备,模块,方法和计算机软件产品。
    • 10. 发明申请
    • Acquisition of a Code Modulated Signal
    • 采集码调制信号
    • US20090052506A1
    • 2009-02-26
    • US11793574
    • 2004-12-21
    • Harri ValioSamuli Pietila
    • Harri ValioSamuli Pietila
    • H04B1/707
    • G01S19/33G01S19/256G01S19/30
    • The invention relates to the acquisition of a code modulated signal, wherein a first set of correlation results for correlations between the code modulated signal and a first replica code with different code phases and a second set of correlation results for correlations between the code modulated signal and a second replica code with different code phases are available. In order to achieve a high sensitivity, results from both sets of correlation results are combined, wherein correlation results used in the combination are selected based on information on a relative difference between a correct code phase for both replica codes. Then, it is determined based on the combination whether at least one of the sets of correlation results comprises a correlation result representing the correct code phase for the first replica code or the second replica code, respectively.
    • 本发明涉及码调制信号的获取,其中针对码调制信号和具有不同码相位的第一复制码之间的相关性的第一组相关结果以及码调制信号与 具有不同代码阶段的第二个副本代码可用。 为了实现高灵敏度,组合来自两组相关结果的结果,其中基于用于两个副本代码的正确码相位之间的相对差的信息来选择组合中使用的相关结果。 然后,基于组合来确定相关结果集中的至少一个是否分别包括表示第一副本码或第二副本码的正确码相位的相关结果。