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Using Basis Expansion Model for Physical Layer Authentication in Time-Variant System

机译:基于基础扩展模型的时变系统中的物理层认证

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In this paper a physical layer authentication method is proposed to suit to time-variant wireless channels by taking advantage of the varied mutually orthogonal basis functions and the constant basis coefficients to approximate the state of separable paths, in which each sampling values of separable paths is related within a block transmission time in time-variant channels. Simulation experiments in orthogonal frequency division multiplexing (OFDM) system proves the validity of the novel authentication method. The novel method makes 2-4dB improvement compared to the physical-layer authentication using conventional Least Square (LS) channel sounding.
机译:提出一种物理层认证方法,通过利用各种相互正交的基本函数和常态系数来满足时间变体无线信道,以近似于可分离路径的状态,其中可分离路径的每个采样值是在时间变体信道中的块传输时间内相关。正交频分复用(OFDM)系统的仿真实验证明了新颖认证方法的有效性。与使用传统最小二乘(LS)信道探测的物理层认证相比,新颖的方法使得2-4dB改进。

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