Abstract In this paper, we propose and demonstrate experimentally a new wireless digital encryption hyperchaotic communication system based on radio frequency (RF) protocols for secure real-time data or image transmission. A reconfigurable hardware architecture is developed to ensure the interconnection between two field programmable gate array development platforms through XBee RF modules. To synchronization of transmitter receiver, feedback masking technique dynamic modulation has been...

The ultimate focus of this paper is to provide a hyperchaos-based reconfigurable platform for the real-time securing communicating embedded systems interconnected in networks according Internet Things (IoT) standards. proposed platform’s Register Transfer Level (RTL) architecture entirely developed and designed from scratch using VHSIC Hardware Description Language (VHDL). original idea consists exploiting nonlinearity discretized optimized 4D Lorenz hyperchaotic system as an encryption...

Abstract Automatic modulation classification (AMC) aims to blindly recognize the type of a received signal in wireless systems. It is also critical component non-cooperative communication systems after detection presence signal. In this paper, we introduce robust approach, termed DET-AMC (joint Detection and Modulation Classification), employing Convolutional Neural Networks (CNNs) trained via transfer learning methodology. The main advantage our approach its ability handle wide range types,...

In this paper, we present a new approach for realtime FPGA implementation of the random key based Lorenz's chaotic generator data stream encryption. We propose structural hardware architecture designed small chip area and high speed performance. This is particularly attractive since it provides low-cost security telecommunication solution while holding or increasing encryption throughput rate. show its feasibility through which detailed presented using Virtex Xilinx FPGA. employs only 1926...

Chaos-based encryption has suggested a new and efficient way to deal with the problem of fast highly secure image encryption. In this paper, chaotic key generator for its FPGA implementation based on chaos switching rule between Lorenz's Lm's non-linear systems is proposed designing real-time symmetric scheme. The originality scheme that it allows low cost embedded while still providing good trade-off performance hardware resources. Our experimental results have demonstrated feasibility...

Due to their structure and complexity, chaotic systems have been introduced in several domains such as electronic circuits, commerce domain, encryption network security. In this paper, we propose a novel multidimensional system with multiple parameters nonlinear terms. Then, two-phase algorithm is presented for investigating the behavior using bifurcation Lyapunov exponent (LE) theories. Finally, illustrate performances of our proposal by constructing three (03) maps (3-D, 4-D 5-D)...

This paper proposes a new and efficient way to deal with the chaotic synchronization for embedded hardware cryptosystems its FPGA implementation designing real time image secure symmetric encryption scheme. The experimental results mapped on two Xilinx Virtex technology platforms demonstrate feasibility usefulness of our solution. originality this scheme is that it allows low cost systems while still providing good trade-off between performance resources. Thorough tests are carried out...

In this paper, we propose a hardware implementation of Feed-Back Chaotic Synchronization (FCS) for designing real-time secure symmetric encryption scheme. This proposed scheme allows the design and real time synchronization between two embedded chaotic generators communications. The experimental results mapped on Xilinx FPGA Virtex technology platforms using Lorenz three-dimensional continuous systems demonstrate feasibility usefulness approach in terms performance resources systems.

Cognitive radio (CR) technology is getting extensive attention to eliminate the problem of spectrum scarcity. This based on Software Defined Radio (SDR) and some integrated intelligent functions such as sensing. function one crucial elements its hardware implementation important for practical realization CR. paper presents experimental results Goodness Fit (GoF) sensing Universal Peripheral platform (USRP) used experiments conducted. The choice GoF detecting holes motivated by advantage...

Cognitive Radio (CR) technology enables the efficient exploit of radio spectrum by utilizing existing unused frequencies. Spectrum Sensing is most important process in CR allowing users to detect communication channels. The paper proposes an enhancement a Deep Learning (DL) classification approach for Sensing. This introduces Linear Support Vector Machine (SVM) as layer DetectNet based DL technique. Simulation results proposed provide better performance term detection at low signal-to-noise...

Abstract In this article, we propose an efficient orthogonal hyperchaotic sequences generator for application in multi-user chaotic communication systems. The proposed consists of two blocks. first block generates binary varying lengths using a 6-Dimensional Cellular Neural Network (CNN) system, offering wide range sequence length choices. second uses optimized selection method to generate multiple sets with interesting correlation properties. is based on the balance and properties, where...

This paper proposes a new approach for real time FPGA implementation of chaotic generator characterized by three-scroll attractor. The originality this is that obtained with some bifurcation parameters Duffing's oscillator. Our attractor shows the richness behavior In addition, its hardware using Virtex Xilinx technology particularly attractive since it provides good performances in terms throughput and resources cost required. particularity allows lowing power consumption especially...

In this paper, we propose a new hyperchaos-based spreading codes generator (HSCG) for multi-users direct sequence spread spectrum (DSSS) communication systems. For experimental validation, implement the proposed in Xilinx FPGA Virtex-5 technology. Contrary to traditional codes, HSCG offers interesting statistical properties such as good autocorrelation, very small cross-correlation, no repetition of generated and high degree security. addition, developed hardware architecture used...

This paper proposes a new Cryptosystem for encryption of the real-time embedded applications. The proposed hardware architecture is based on chaotic rule switching several three-dimensional continuous data generators. originality approach stream key generator used real time encrypt and decrypt. Our architecture, implemented in Virtex Xilinx FPGA technology, particularly attractive since it provides very low-cost security solution while holding or increasing throughput rate encryption....