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1.发明申请METHODS AND SYSTEMS FOR DISTINGUISHING A SIGNAL OF INTEREST FROM INTERFERENCE SIGNALS 有权用于识别干扰信号感兴趣的信号的方法和系统公开(公告)号：US20120300822A1
公开(公告)日：2012-11-29
申请号：US13117407
申请日：2011-05-27
CPC分类号： H04B1/1027 , H04L25/03
摘要： A method for distinguishing a signal of interest from one or more interference signals in a received analog signal comprises receiving an analog signal at a radio front end, and transmitting the received analog signal to an analog-to-digital converter to sample data in the received analog signal and output a digital signal. A sub-channel Fast Fourier Transform (FFT) is performed on the digital signal, and sub-channel FFT bin magnitudes are averaged over a set period of time to determine a shape of the received signal. The shape of the received signal is compared to one or more signal reference patterns by computing a metric for the shape of the received signal, and computing a metric for the one more signal reference patterns. The computed metrics are then compared to a predetermined threshold value to determine the presence, or lack thereof, of a signal of interest in the received signal.
摘要翻译： 用于将感兴趣的信号与接收的模拟信号中的一个或多个干扰信号区分开的方法包括：在无线电前端接收模拟信号，并将所接收的模拟信号发送到模拟 - 数字转换器以对所接收的模拟信号进行采样 模拟信号并输出数字信号。 对数字信号执行子信道快速傅里叶变换（FFT），并且在设定的时间段内对子信道FFT bin幅度进行平均以确定接收信号的形状。 通过计算接收信号的形状的度量，以及计算一个以上的信号参考模式的度量，将接收信号的形状与一个或多个信号参考模式进行比较。 然后将所计算的度量与预定阈值进行比较，以确定在接收信号中感兴趣的信号的存在或不存在。
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2.发明授权Methods and systems for distinguishing a signal of interest from interference signals 有权用于区分感兴趣的信号和干扰信号的方法和系统公开(公告)号：US08532207B2
公开(公告)日：2013-09-10
申请号：US13117407
申请日：2011-05-27
CPC分类号： H04B1/1027 , H04L25/03
摘要： A method for distinguishing a signal of interest from one or more interference signals in a received analog signal comprises receiving an analog signal at a radio front end, and transmitting the received analog signal to an analog-to-digital converter to sample data in the received analog signal and output a digital signal. A sub-channel Fast Fourier Transform (FFT) is performed on the digital signal, and sub-channel FFT bin magnitudes are averaged over a set period of time to determine a shape of the received signal. The shape of the received signal is compared to one or more signal reference patterns by computing a metric for the shape of the received signal, and computing a metric for the one more signal reference patterns. The computed metrics are then compared to a predetermined threshold value to determine the presence, or lack thereof, of a signal of interest in the received signal.
摘要翻译： 用于将感兴趣的信号与接收的模拟信号中的一个或多个干扰信号区分开的方法包括：在无线电前端接收模拟信号，并将所接收的模拟信号发送到模拟 - 数字转换器以对所接收的模拟信号进行采样 模拟信号并输出数字信号。 对数字信号执行子信道快速傅里叶变换（FFT），并且在设定的时间段内对子信道FFT bin幅度进行平均以确定接收信号的形状。 通过计算接收信号的形状的度量，以及计算一个以上的信号参考模式的度量，将接收信号的形状与一个或多个信号参考模式进行比较。 然后将所计算的度量与预定阈值进行比较，以确定在接收信号中感兴趣的信号的存在或不存在。
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