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  • Open Access

    ARTICLE

    Performance Analysis of AODV Routing for Wireless Sensor Network in FPGA Hardware

    Namit Gupta1,*, Kunwar Singh Vaisla2, Arpit Jain3, Adesh Kumar4, Rajeev Kumar3

    Computer Systems Science and Engineering, Vol.40, No.3, pp. 1073-1084, 2022, DOI:10.32604/csse.2022.019911 - 24 September 2021

    Abstract Wireless sensor network (WSN) is a group of interconnected sensor nodes that work wirelessly to capture the information of surroundings. The routing of the network is a challenging task. The routing of WSN is classified as proactive, reactive, and hybrid. Adhoc on-demand distance vector (AODV) routing is an example of reactive routing based on the demand route formations among different nodes in the network. The research article emphasizes the design and simulation of the AODV routing hardware chip using very-high-speed integrated circuit hardware description language (VHDL) programming in Xilinx integrated synthesis environment (ISE) 14.7 software. More >

  • Open Access

    ARTICLE

    Prediction Model for Coronavirus Pandemic Using Deep Learning

    Mamoona Humayun1,*, Ahmed Alsayat2

    Computer Systems Science and Engineering, Vol.40, No.3, pp. 947-961, 2022, DOI:10.32604/csse.2022.019288 - 24 September 2021

    Abstract The recent global outbreak of COVID-19 damaged the world health systems, human health, economy, and daily life badly. None of the countries was ready to face this emerging health challenge. Health professionals were not able to predict its rise and next move, as well as the future curve and impact on lives in case of a similar pandemic situation happened. This created huge chaos globally, for longer and the world is still struggling to come up with any suitable solution. Here the better use of advanced technologies, such as artificial intelligence and deep learning, may… More >

  • Open Access

    ARTICLE

    Real-Time and Intelligent Flood Forecasting Using UAV-Assisted Wireless Sensor Network

    Shidrokh Goudarzi1,2,*, Seyed Ahmad Soleymani2,3, Mohammad Hossein Anisi4, Domenico Ciuonzo5, Nazri Kama6, Salwani Abdullah1, Mohammad Abdollahi Azgomi2, Zenon Chaczko7, Azri Azmi6

    CMC-Computers, Materials & Continua, Vol.70, No.1, pp. 715-738, 2022, DOI:10.32604/cmc.2022.019550 - 07 September 2021

    Abstract The Wireless Sensor Network (WSN) is a promising technology that could be used to monitor rivers’ water levels for early warning flood detection in the 5G context. However, during a flood, sensor nodes may be washed up or become faulty, which seriously affects network connectivity. To address this issue, Unmanned Aerial Vehicles (UAVs) could be integrated with WSN as routers or data mules to provide reliable data collection and flood prediction. In light of this, we propose a fault-tolerant multi-level framework comprised of a WSN and a UAV to monitor river levels. The framework is… More >

  • Open Access

    ARTICLE

    Effectively Handling Network Congestion and Load Balancing in Software-Defined Networking

    Shabir Ahmad1, Faisal Jamil2, Abid Ali3, Ehtisham Khan4, Muhammad Ibrahim2, Taeg Keun Whangbo1,*

    CMC-Computers, Materials & Continua, Vol.70, No.1, pp. 1363-1379, 2022, DOI:10.32604/cmc.2022.017715 - 07 September 2021

    Abstract The concept of Software-Defined Networking (SDN) evolves to overcome the drawbacks of the traditional networks with Internet Protocol (I.P.) packets sending and packets handling. The SDN structure is one of the critical advantages of efficiently separating the data plane from the control plane to manage the network configurations and network management. Whenever there are multiple sending devices inside the SDN network, the OpenFlow switches are programmed to handle the limited number of requests for their interface. When the recommendations are exceeded from the specific threshold, the load on the switches also increases. This research article… More >

  • Open Access

    ARTICLE

    Sine Power Lindley Distribution with Applications

    Abdullah M. Almarashi*

    Intelligent Automation & Soft Computing, Vol.31, No.1, pp. 373-386, 2022, DOI:10.32604/iasc.2022.018043 - 03 September 2021

    Abstract Sine power Lindley distribution (SPLi), a new distribution with two parameters that extends the Lindley model, is introduced and studied in this paper. The SPLi distribution is more flexible than the power Lindley distribution, and we show that in the application part. The statistical properties of the proposed distribution are calculated, including the quantile function, moments, moment generating function, upper incomplete moment, and lower incomplete moment. Meanwhile, some numerical values of the mean, variance, skewness, and kurtosis of the SPLi distribution are obtained. Besides, the SPLi distribution is evaluated by different measures of entropy such More >

  • Open Access

    ARTICLE

    Bayesian Approximation Techniques for the Generalized Inverted Exponential Distribution

    Rana A. Bakoban, Maha A. Aldahlan*

    Intelligent Automation & Soft Computing, Vol.31, No.1, pp. 129-142, 2022, DOI:10.32604/iasc.2022.018041 - 03 September 2021

    Abstract In this article, Bayesian techniques are adopted to estimate the shape parameter of the generalized inverted exponential distribution (GIED) in the case of complete samples. Normal approximation, Lindley’s approximation, and Tierney and Kadane’s approximation are used for deriving Bayesian estimators. Different informative priors are considered, such as Jeffrey’s prior, Quasi prior, modified Jeffrey’s prior, and the extension of Jeffrey’s prior. Non-informative priors are also used, including Gamma prior, Pareto prior, and inverse Levy prior. The Bayesian estimators are derived under the quadratic loss function. Monte Carlo simulations are carried out to make a comparison among… More >

  • Open Access

    ARTICLE

    Physical and Mechanical Properties of Eco-Friendly Composites Made from Wood Dust and Recycled Polystyrene

    Dafni Foti1, Eleni E. Voulgaridou1, Sotirios Karastergiou2, Hamid R. Taghiyari3, Antonios N. Papadopoulos1,*

    Journal of Renewable Materials, Vol.10, No.1, pp. 75-88, 2022, DOI:10.32604/jrm.2022.017759 - 27 July 2021

    Abstract The development of alternative wood composites based on the use of waste or recycled materials can be beneficial due to over exploitation of natural resources. Under this frame, an option for the successful utilization of waste polystyrene which avoids environmental problems that formaldehyde adhesives cause and also reduces waste disposal, is its potential application as a binder for the production of value-added environmentally friendly and low cost wood composites. Two types of panel were successfully made, consisting of wood dust and two recycled polystyrene contents, namely, 15% and 30%. Both physical properties, water absorption and… More > Graphic Abstract

    Physical and Mechanical Properties of Eco-Friendly Composites Made from Wood Dust and Recycled Polystyrene

  • Open Access

    ARTICLE

    Standardizing immunohistochemistry methodology for evaluation of PD-1 and PDL-1 expression in upper tract urothelial carcinoma

    Luca Campedel1,†, Thomas Seisen1,†, Justine Varinot2, Géraldine Cancel-Tassin2,3,#, Alain Ruffion4, Emilien Seizilles De Mazancourt4, Myriam Decaussin-Petrucci5, Grégoire Robert6, Nam-Son Vuong6, Magali Philipp7, Eva Compérat2,3,#, Morgan Rouprêt1,3,#, Olivier Cussenot2,3,#

    Canadian Journal of Urology, Vol.28, No.3, pp. 10719-10724, 2021

    Abstract Introduction: Controversy regarding the prognostic and/or predictive role of PD-1 and PD-L1 expression for upper tract urothelial carcinoma (UTUC) could partly be explained by inconsistencies in the immunohistochemistry (IHC) methodology. The objective is to standardize the methodology for routine evaluation of PD-1 and PD-L1 expression in UTUC patients.
    Materials and methods: Twenty-two cases treated with radical nephroureterectomy between 1996 and 2015 at 11 French hospitals were randomly selected to compare different methodologies for evaluation of PD-1 and PD-L1 expression. IHC was carried out on whole tissue sections and 0.6 mm- or 2 mm-core tissue micro-arrays (TMAs) using… More >

  • Open Access

    ARTICLE

    Posterior tibial nerve stimulation: is ultrasound guided needle placement more accurate?

    Steven J. Lomax1, Daniela A. Haehn1, Eric Robinson1, Rachel Pung Page2, Edsel Bittencourt3, Mark F.B. Hurdle3, Steven P. Petrou1

    Canadian Journal of Urology, Vol.28, No.4, pp. 10778-10782, 2021

    Abstract Introduction: To compare the accuracy of the transcutaneous ultrasound (US) in detecting the tibial nerve (TN) as opposed to digital palpation in the performance of posterior tibial nerve stimulation (PTNS).
    Materials and methods: After Institutional Review Board (IRB) approval, 25 adults were enrolled to quantify the difference in position of the distal TN by the use of US as opposed to cutaneous palpation. The position of the TN was determined first by the palpation method and then by using a L12-4MHz high frequency Linear Array Transducer. The difference in position between the two methods was determined in… More >

  • Open Access

    HOW I DO IT

    How I Do It: Technical report on surgically-initiated rectus sheath catheter using catheter-over-needle assembly

    Vivian H. Y. Ip1, Jaasmit Khurana1, Niels-Erik Jacobsen2, Adrian S. Fairey2, Rakesh V. Sondekoppam3

    Canadian Journal of Urology, Vol.28, No.5, pp. 10871-10873, 2021

    Abstract Development of chronic postsurgical pain following major abdominal or pelvic surgeries is increasingly recognized. Multimodal analgesia including regional anesthesia such as rectus sheath block is growing in popularity. While the literature mainly describes ultrasound-guided rectus sheath blocks, there are many advantages to surgicallyinitiated rectus sheath catheter performed at the end of surgery. In this technical description, we describe the rationale and technique of surgical insertion of rectus sheath catheters following major urologic surgery with midline incision which is routinely performed by urologists at our institution. Furthermore, we would like to highlight the type of catheter More >

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