Due to the fast development in communication technology and emerging usage of Internet Things (IoT) devices that produce a huge amount data, fifth generation (5G) mobile network is introduced support this development. This can provide many advanced features cellular phones. But unfortunately, faces challenges. One its defective challenges management massive number running different services, so Software Defined Network (SDN) proposed as key overcome drawback. SDN architecture provides higher...

Security of wireless sensor networks plays an essential role in the application they used. Due to resource limitations node, such as energy supply and memory size, pairwise keys establishment between nodes are considered a difficult problem. This paper proposes simple shared key discovery very clear steps. The authentication protocol provides both message entity authentication. work assumes dynamic network with flat structure. performance proposed will be shown terms cost, security...

Software-defined networking (SDN) abstracts and centralizes the network control functions in a software entity that runs on server, known as SDN controller. The controller needs to respond its controlled elements strictly timely manner, placement has prominent effect response time. Originally, all architectures assumed physical wired connection between elements, problem (CPP) been only studied under such settings. Recently, novel have proposed which direct wireless is elements. In this...

Being smart has become a feature of almost all the electronic devices that we use every day. Recently, deep neural network based speech enhancement made breakthrough to de-noising process; however, in some situations, noise could be more important than speech, like talking while fire alarm is activated. Hearing impaired people are ones most hurt those because their lower ability hear, especially noisy environment. Available hearing aids lack distinguishes between desired and undesired types,...

Zinc oxide (ZnO) and ZnO:Ru nanopowdersare successfully synthesized using a 0.25м solution of zinc nitrate ((Zn(NO3)2), Diethanolamine (DEA)and different weight ratios Ruthenium chloride hydrate (RuCl3)using the hydrothermal technique by autoclaving solutions at 70 °C for 24 h. Different (1, 5 10%) Ru-doped ZnO gas sensors are fabricated which sensitive to ammonia room temperature low concentrations. Field emission scanning electron microscopy (FESEM), high resolution transmission (HRTEM),...

Wireless Sensor Network (WSN) has appeared as a significant study field integrated with much research in the last two decades. In response to widespread use of this technology numerous applications, such military operations, medical care, automated processes, urban domain and so on. WSN handles conditions where it is challenging or impossible for humans perform measurement tasks physically effectively. WSNs are fast-expanding networks incorporating many data communications streams. A made up...

Abstract Lack of attention is a chronic behavior in deficit hyperactivity disorder (ADHD), autism spectrum (ASD), and other disorders that harm academic social performance. ADHD whose typical symptoms include inattention, hyperactivity, impulsivity. They have major impact on the affected person’s function development. The electroencephalogram (EEG) device diagnostic tool, whereas quantitative EEG (QEEG) therapeutic tool for most mental disorders. QEEG applies neurofeedback method treatment....

A new, efficient, flexible, and cheap antenna designed at 1.57 GHz microstrip patch based on simple inkjet printer with improved performance using silver nanoparticles ink is developed. The printed a kind of flexible substrate “glossy paper,” to offer the advantage light flexibility for different applications. has been studied through printing versus postsynthesis annealing multilayer printing. conductivity have promising values up 2 Ω/cm temperatures 180°C. surface morphology circuits...

Molecular dynamics simulations require accurate force fields (FFs) to describe the physical and chemical properties of complex materials systems. FF parameters for valence interactions can be determined from high-quality Quantum Mechanical (QM) calculations. However, it has been challenging extract long-range nonbonded interaction potentials QM calculations since there is no unambiguous method separate total energy into electrostatics (polarization), van der Waals (vdW), other components....

IEEE 802.15.4 protocol is intended to accomplish the characteristics of low power and rate Wireless Sensor Network. It employs carrier sense multiple access with collision avoidance (CSMA/CA) network using either unslotted or slotted mode. This paper concentrates on CSMA/CA where node tends wait for a very limited backoff exponent value, cannot perform clear channel assessment until procedure completed. Therefore, probability average delay are high. To enhance performance, this proposes...

There is a recent interest to develop an indoor positioning system using visible light communications technology. Based on received signal strength (RSS), this paper combines simple regression-based approach with linear and nonlinear least square estimations (LLS & NLS). The performance of regression evaluated by different metrics such as the average, standard deviation, cumulative distribution function localization error. In analysis, first reflection from plaster walls (high reflectivity...

COVID-19 has been considered as a global pandemic. Recently, researchers are using deep learning networks for medical diseases’ diagnosis. Some of these researches focuses on optimizing neural enhancing the network accuracy. Optimizing Convolutional Neural Network includes testing various which obtained through manually configuring their hyperparameters, then configuration with highest accuracy is implemented. Each time different database used, combination hyperparameters required. This...

The Advanced Encryption Standard (AES) is the last standard for cryptography and has gained wide support as means to secure digital data. In this paper, Tradeoffs of speed vs. area that are inherent in design a security processor explored. Two implementations AES on Xilinx Virtex 4 FPGA introduced, first called optimized which based basic architecture AES, second one sub-pipelined AES. An crypto with serial interface was implemented it could be used any our designed encryptor or decryptor.

Wireless Sensor Network (WSN) is widely used in the industrial Control System (NCS). It relies on IEEE 802.15.4 MAC protocol to transfer data at low rate. Experimental and theoretical studies proved that wireless channel produces a time delay. In NCS, this delay may cause system instability performance degradation. Delay compensation schemes are reduce effects. paper, scheme using classical adaptive Smith predictor applied NCS. The Markov model proposed compute estimated network predictor....

Most navigation systems of unmanned surface vehicles (USVs) are based on global position system (GPS)/inertial (INS) integrated methods to improve the accuracy system. But in some places Earth's surface, GPS signal suffers from outages, interferences, and weakness, which affect performance whole USV This paper provides a continuous accurate solution via with micro-electro-mechanical (MEMS)-INS smartphone sensors reduced-aided visual odometry (RAVO) using centralized Kalman filter (CKF) data...

A number of challenges are facing the design secure datacenter environments, such as applications high throughput requirements, low latency applications, scalability, ability to detect Advanced Persistent Threats (APT), bring your own device (BYOD), and protection against Distributed denial service (DDOS) attacks. Software Defined networking (SDN) is an emerging paradigm that provides flexibility Datacenter network design. In this paper, a framework presented enhance security in SDN-based...

Abstract In this paper, a new design of compact Multi Input and Output (MIMO) elliptic ring antenna applied to 5G-UWB wireless mobile communications is discussed. There are two designs, first consists radiators both perpendicular in single side. The second four they each other Those designs with small size substrate material Roger 4003 mounted over partial ground dimensions 30 × 0.203 mm 3 for 15 radiators. operating frequency the proposed which support MIMO microstrip patch antennas 60 GHz...

The widespread utilization of smart grids is due to their flexibility support the two-way flow electricity and data. critical nature evokes traditional network attacks. Due advantages blockchains in terms ensuring trustworthiness security, a significant body literature has been recently developed secure grid operations. We categorize blockchain applications into three categories: energy trading, infrastructure management, smart-grid operations management. This paper provides an extensive...

This paper presents another alternative design of monopole microstrip patch antenna for millimeter wave (MMW) short range wireless communications applications.The purpose this is to discuss a new that operates in the MMW frequency at 60 GHz.The based on single element with full size 9  11 mm 2 contains two elliptical loops and line feed 50 ohm top layer substate partial ground plane opposite side.Microstrip-patch has been designed implemented 5G communication technology GHz low-cost small...