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    • 2. 发明公开
    • GENERATION OF CORRELATED FINITE ALPHABET WAVEFORMS USING GAUSSIAN RANDOM VARIABLES
    • 葛根冯KORRELIERTEN ENDLICHEN ALPHABETWELLENFORMEN MITTELS GAUSSSCHEN ZUFALLSVARIABLEN
    • EP2966469A1
    • 2016-01-13
    • EP15175628.5
    • 2015-07-07
    • King Abdullah University Of Science And Technology
    • AHMED, SajidALOUINI, Mohamed SlimJARDAK, Seifallah
    • G01S13/26G01S13/32
    • H04B1/0475G01S7/32G01S13/26G01S13/325G01S2007/356H04B7/0617H04L27/36
    • Various examples of methods and systems are provided for generation of correlated finite alphabet waveforms using Gaussian random variables in, e.g., radar and communication applications. In one example, a method includes mapping an input signal comprising Gaussian random variables (RVs) onto finite-alphabet non-constant-envelope (FANCE) symbols using a predetermined mapping function, and transmitting FANCE waveforms through a uniform linear array of antenna elements to obtain a corresponding beampattern. The FANCE waveforms can be based upon the mapping of the Gaussian RVs onto the FANCE symbols. In another example, a system includes a memory unit that can store a plurality of digital bit streams corresponding to FANCE symbols and a front end unit that can transmit FANCE waveforms through a uniform linear array of antenna elements to obtain a corresponding beam pattern. The system can include a processing unit that can encode the input signal and/or determine the mapping function.
    • 提供了各种方法和系统的示例,用于在例如雷达和通信应用中使用高斯随机变量来生成相关的有限字母波形。 在一个示例中,一种方法包括使用预定的映射函数将包含高斯随机变量(RV)的输入信号映射到有限字母非恒定包络(FANCE)符号上,以及通过天线元件的均匀线性阵列传输FANCE波形, 获得相应的波峰图。 FANCE波形可以基于高斯RV到FANCE符号的映射。 在另一示例中,系统包括可存储对应于FANCE符号的多个数字比特流的存储器单元和可以通过天线元件的均匀线性阵列传输FANCE波形以获得相应波束图案的前端单元。 该系统可以包括可对输入信号进行编码和/或确定映射功能的处理单元。