Sign of slant receiver for skewed alpha-stable noise shift keying-based random communication system

Areeb Ahmed, F. A. Savaci
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Abstract

Purpose In contrast to traditional communication systems, slower data rate has always remained a weak link for non-traditional random communication systems (RCSs), which use alpha-stable (a-stable) noise as a carrier. This paper aims to introduce a fast receiver for skewed a-stable noise shift keying (SkaSNSK)-based RCSs. Design/methodology/approach The introduced receiver is based on the sign of slant estimator (SoSE), which provides rapid estimation of the skewed a-stable random noise signals (RNSs) received from the additive white Gaussian noise channel. The SoSE-based receiver minimizes the number of samples required to extract the encoded information from the received RNSs. This is achieved by manipulating the antipodal properties of the slant/skewness parameter of the a-stable carrier. Hence, a high data rate with relatively low complexity is guaranteed. Findings In comparison with the previously introduced sinc, logarithmic and modified extreme value method-based receivers, the proposed SoSE-based receiver also achieves improved bit error rate (BER) along with the better covertness values so that the essence of security provided by SkaSNSK-based RCSs remains intact. Research limitations/implications Because of the selected range of the associated parameters of the a-stable noise as a carrier, the BER vs MSNR results are may lack applicability for the complete range of values. Therefore, further research is required to produce results in different ranges. Practical implications The study includes implications for the hardware development based on the proposed communication scheme. Originality/value It can be seen that the paper fulfils the desired need of a fast receiver design for RCS.
基于倾斜阿尔法稳定噪声移调的随机通信系统的斜接收器符号
目的与传统通信系统相比,对于使用阿尔法稳定(a-stable)噪声作为载波的非传统随机通信系统(RCS)来说,较慢的数据传输速率始终是一个薄弱环节。本文旨在为基于倾斜阿稳噪声移调(SkaSNSK)的随机通信系统引入一种快速接收器。所引入的接收器基于倾斜符号估计器(SoSE),可快速估计从加性白高斯噪声信道接收到的倾斜阿稳随机噪声信号(RNS)。基于 SoSE 的接收器能最大限度地减少从接收到的 RNS 中提取编码信息所需的样本数量。这是通过操纵稳定载波的斜度/倾斜度参数的反转特性实现的。研究结果与之前介绍的基于 sinc、对数和修正极值法的接收器相比,所提出的基于 SoSE 的接收器还实现了更高的误码率 (BER),以及更好的隐蔽性值,从而使基于 SkaSNSK 的 RCS 所提供的安全本质保持不变。研究的局限性/意义由于所选择的载波稳定噪声相关参数的范围,误码率与 MSNR 的结果可能不适用于全部数值范围。实践意义该研究包括基于建议的通信方案的硬件开发意义。原创性/价值可以看出,本文满足了 RCS 快速接收器设计的预期需求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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