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...

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...

Abstract The aim of this article is to design a new telehealth system with secured wireless transmission and classification multiple biosignals using e‐Health sensors platform Xbee modules Arduino Uno Raspberry Pi as acquisition processing units, respectively. collected data, such temperature, airflow, position, Galvanic skin response oxygen in the blood can be evaluated order monitor patient health state threshold detection. prediction cardiac based on automatic identification arrhythmias...

Summary This paper presents a new efficient and lightweight approach for enhancing the security of biometric models, namely, fingerprint templates, against possible attacks. The proposed design is based on Vernam stream cipher in which key generator designed hardware manner. cryptosystem consists using multi‐scroll chaotic system that characterized by large space can be generated N × grid attractors, with good behavior dynamic. carried out through describing Euler method VHDL....

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...

Summary The work presented in this paper aims to develop a low‐cost ultra‐wideband (UWB) radar system that has the capability image through wall of human target. proposed relies heavily on field‐programmable gate array (FPGA) platform. Xilinx FPGA Kintex‐7 (KC705) board is employed integrate main functionalities system, such as generation and acquisition UWB signal. generated signal monocycle signal, which an ultra‐wide bandwidth. Due nature achieves better penetration ability, well high...

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.

Telecare Medical Information Systems (TMIS) is one of the most important remote technics used for diagnostic and treatment patients. In this context, importance a safe exchange medical data, comprising signals, images, etc. has received special attention these recent years. Indeed, as Digital Imaging Communications in Medicine (DICOM) objects contain images linked information about patient, their security privacy must be addressed seriously. framework, many encryption techniques are proposed...

Through-Wall-Imaging (TWI) radar offers considerable advantages for applications that require safety and security, such as disaster survivor rescue tracking terrorist activities.In situations, the use of an impulse UWB system is constantly increasing due to its ability provide precise images hidden targets in a short period time.This paper presents new through-wall imaging using impulse-radio ultra-wideband (IR-UWB) signal.The built field-programmable gate array (FPGA) board, oscilloscope,...