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    • 1. 发明授权
    • System and method for sub-coherent integration for geo-location using weak or intermittent signals
    • 使用弱或间歇信号进行地理位置的子相干整合的系统和方法
    • US08958754B2
    • 2015-02-17
    • US13248528
    • 2011-09-29
    • Tosin OsinusiMartin AllesTom Gravely
    • Tosin OsinusiMartin AllesTom Gravely
    • H04B17/00G01S5/06G01S5/02
    • G01S5/06G01S5/0205
    • A signal is received from a mobile device as multiple data samples. The received signal includes a first component corresponding to a known reference signal and a second component corresponding to an unknown channel impairment or an unknown noise. A sequence of blocks is formed based on the received samples. The first component of the received signal corresponding to the reference signal is known to within a constant phase shift over each block. A plurality of function values are generated as a function of time, frequency, and phase, based on the received signal, corresponding to a plurality of times, a plurality of frequencies, and a plurality of phase sequences. A time, a frequency, and a phase sequence corresponding to an optimal value the function values are determined. The determined time is outputted as a time of arrival of the received signal.
    • 从移动设备接收到作为多个数据样本的信号。 所接收的信号包括对应于已知参考信号的第一分量和对应于未知信道损伤或未知噪声的第二分量。 基于接收的样本形成块序列。 对应于参考信号的接收信号的第一分量已知在每个块的恒定相移之内。 基于与多个频率对应的多个频率和多个相位序列的接收信号,生成多个功能值作为时间,频率和相位的函数。 确定对应于最佳值的时间,频率和相位序列。 所确定的时间作为接收信号的到达时间被输出。
    • 2. 发明申请
    • SYSTEM AND METHOD FOR SUB-COHERENT INTEGRATION FOR GEO-LOCATION USING WEAK OR INTERMITTENT SIGNALS
    • 使用微弱或间接信号进行地理位置的相互整合的系统和方法
    • US20120077516A1
    • 2012-03-29
    • US13248528
    • 2011-09-29
    • Tosin OsinusiMartin AllesTom Gravely
    • Tosin OsinusiMartin AllesTom Gravely
    • H04W64/00
    • G01S5/06G01S5/0205
    • A signal is received from a mobile device as multiple data samples. The received signal includes a first component corresponding to a known reference signal and a second component corresponding to an unknown channel impairment or an unknown noise. A sequence of blocks is formed based on the received samples. The first component of the received signal corresponding to the reference signal is known to within a constant phase shift over each block. A plurality of function values are generated as a function of time, frequency, and phase, based on the received signal, corresponding to a plurality of times, a plurality of frequencies, and a plurality of phase sequences. A time, a frequency, and a phase sequence corresponding to an optimal value the function values are determined. The determined time is outputted as a time of arrival of the received signal.
    • 从移动设备接收到作为多个数据样本的信号。 所接收的信号包括对应于已知参考信号的第一分量和对应于未知信道损伤或未知噪声的第二分量。 基于接收的样本形成块序列。 对应于参考信号的接收信号的第一分量已知在每个块的恒定相移之内。 基于与多个频率对应的多个频率和多个相位序列的接收信号,生成多个功能值作为时间,频率和相位的函数。 确定对应于最佳值的时间,频率和相位序列。 所确定的时间作为接收信号的到达时间被输出。