摘要无线隐蔽通信是将消息隐藏在无线通信数据帧和信号中进行隐蔽传输的技术,
属于无线通信和信息隐藏技术的交叉领域, 其理论与技术的研究方兴未艾. 本文分析了无线隐蔽 …

Wireless covert communication is the technology of hiding messages in wireless
communication data frames and signals for covert transmission, which belongs to the cross …

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 …

With the gradual popularization of 5G communications, the application of multi-antenna
broadcasting technology has become widespread. Therefore, this study aims to investigate …

In this research study, a comparative analysis is presented that analyze the Orthogonal
Frequency Division Multiplexing (OFDM) in two distinct communication systems Additive …

Background: All existing time delay estimation methods, ie correlation and covariance,
depend on second or higher-order statistics which are inapplicable for the correlation of …

In this study, a covert communication method called as random pulse width modulation
(RPWM) is proposed for secure communication where the signals are obtained from the …

Invisibility of alpha‐stable (α‐stable) noise as carrier signals, in the presence of additive
white Gaussian noise (AWGN) as channel noise, is a key factor to ensure covert …

Since, Fractional Lower-Order Auto-Covariance (FLOAC) remains the only technique to
quantify the similarity between alpha-stable (α-stable) signals, therefore, the effects of …

This thesis presents alpha-stable carrier based random communication systems (RCSs) as
an alternate way to perform covert transmission. The first objective is to develop an …