The number of connected devices is rapidly increasing and the radio spectrum is not enough, but the visible light spectrum is broad enough to accommodate all the devices. Radio waves cause signal distortion which harms the efficiency of the system, but light rays are less prone to signal distortion. The purpose of this research is to establish efficient Li-Fi one-way communication and to derive a mathematical

Semantic web service (SWS) discovery and recommendation (SWSR) has emerged as a potential technology which aims to fulfill the user requirements by providing an improved recommendation for Academic and business communities. In SWSR, the user search pattern is adopted to make service discovery as well as recommendation. In order to achieve the precise recommendation of SWS, the ensemble learning method

At this time, COVID-2019 is spreading its foot in the form of a huge epidemic for the world. This epidemic is spreading its foot very fast in India too. One of the World Health Organization states that COVID-2019 is a serious disease that spreads from one person to another at very fast speed through contact routes and respiratory drops. On this day, India and the world should rise to an effective step

The live migration of virtual machines among physical machines aims at efficient utilization of resources, load balancing, maintenance, energy management, fault tolerance, sharing resources and mobile computing. There are several methods for the live migration of virtual machines. In the post-copy approach, a virtual machine starts working in a target host, when data that is not present in the target

The mathematical model of the Partial Discharge (PD) location detection system in transformers, using the Ultra High Frequency (UHF) technique, is a system of non-linear sphere equations. These non-linear equations are solved to determine the PD source co-ordinates. In this paper, a non-iterative method is studied to determine the PD location. For the study, a simulation-based system is modelled in

Named entity recognition (NER) application development for under-resourced (i.e. NLP resource) language is usually obstructed by lack of named entity tagged dataset and this led to performance deterioration. Similarly, in Amharic language getting annotated training dataset for named entity recognition problem is extortionate, though an enormous amount of untagged data is easily accessible. Fortunately

The adverse consequences of class imbalance problem are prevalent while performing classification for disease diagnosis. Such classifiers predict most of the examples of negative class (instances with non-diseased label) correctly but fail to make correct predictions for the positive class examples (instances with diseased label). Since misclassification costs can be very high for a sensitive field

Internet has become integral part of everyday life of children, grownup, schools, colleges, institutions and business etc. Facilities like email, social networking, tweeting, online purchase, searching are the most popular activities amongst every generation. However, the lack of ownership common agreement about the precise approach to educating and protecting children has resulted in further challenges

In today’s world, most readers prefer to read news online as they get instant access to what is happening right now. Furthermore, personalized recommendations help in keeping users engaged. Along with these virtues, online news has some vices as well. One such vice is the presence of alluring social media posts (tweets) relating to news articles whose sole purpose is to draw the attention of the users

Achieving the best quality as per user requirement is one of the important challenges in Wireless Sensor Network (WSN) containing numerous sensor nodes with limited battery power. The time-critical applications in WSN demand energy-efficient and reliable transmission of data with limited resource availability. To resolve these issues, our proposed optimal cluster head selection method choose node as

Wireless communication technology is the main reason for the advancement to mobile users. So each user demands for a separate frequency spectrum. But there is a limited frequency spectrum band. Hence there is need of an efficient communication system which first evaluates the need of frequency and then provides the frequency band to that user smartly. Cognitive Radio (CR) Technology is based on software

Disaster management demands a near real-time information dissemination so that emergency services can be provided to the people immediately. Real time information can be easily collected with the various sources with rapid advancement of information and communication technologies. Use of ICT in different stages of disaster management is studied. Existing solutions are explored and also the study of

Coronavirus disease 2019 (COVID-19) is the name given by the World Health Organization (WHO) to the highly contagious and infectious disease caused by the Novel Corona Virus or SARS-CoV-2, which was first reported on 31 December 2019 in Wuhan city of the capital of China's Hubei province. Due to the rapid increase in the number of infections worldwide, the WHO in March 2020, declared COVID-19 as a

In this article a review has been performed on the technical background and the core supporting technologies of the narrow-band Internet of Things (NB-IoT) and the possible applications in perspective of conditions of Bangladesh. At the commencement of the paper, it introduced NB-IoT techs’ background, history of development, and standardization. Then, described the features of NB-IoT by the recitation

Conventional search engines provide a lot of irrelevant results to the user’s search query, which consumes a lot of time and effort, as the context and semantics of the request made by the user are not analyzed to the optimum extent. This highlights for the need of a methodology embedded in the search machinery, enabling semantic web search. Ontologies have proven to be an effective technology for

In this research paper, an effort has been placed to convert 24 American Sign Language (ASL) signer independent, real time hand gesture alphabets into human or machine recognizable English text. In the proposed work, the ASL hand gestures used for cognition and recognition process is completely invariant to scale, luminance, gender, and distance in the complex background of indoor location. The Viola-Jones

In this digital information era, data transmitted over internet is vulnerable to several types of attacks. To preserve our information over internet, it is necessary to use some cryptographic methods. advanced encryption standard is a strong symmetric, non-fiestel cryptographic algorithm which preserves the information transmitted in internet from piracy or attacks. In this research article, a new

Now a day multi-dimensional data modeling and aggregate query processing which are key assets of business intelligence solutions are being frequently realized to the unorthodox data. For interval values which are recorded when the data is on hold, multidimensional aggregation is the only viable solution and the author emphasizes over this aspect in this paper. Actually, such intervals reflect the state

Reconfigurable processors are gaining more attention in battery powered portable platforms like IoTs. As the FPGA based reconfigurable processors are power hungry and the energy source is limited in battery powered system, energy management is vital for such systems. This paper addresses an energy-performance management method in battery powered reconfigurable processors for standalone IoT systems

This paper discuss about the simulation and synthesis of Takagi–Sugeno fuzzy system for a decentralized stabilization problem using parallel distribution compensation technique. In general if the inter connection link between any two dual subsystems is not in order and also not in a corresponding state that leads to the system to be in unstable condition. Here the fuzzy control is employed which has

The function of an Independent Robot has demanding conflicts and a perfect balance is required to minimize the conflicts along with a degree of capability. This paper talks about two co-operating mobile robots with a multilayer control system which utilizes Boolean logic to enable the significance of a relative behaviour. Therefore the fuzzy system takes its role as an arbiter that has the ability

LTE is a broadband wireless communication standard, including a voice service that is upgraded to 5 G, with the core network technology. In recent years Voice over Internet Protocol (VoIP) became more accessible to customers because of the increasing competence of Internet services and the development of voice call applications. According to its increased capacity, data rates, and lower latency, LTE

Many children now get access to smartphones by two years of age and gradually learn to operate them. The objective of this study was to determine the age at which children become capable of using smartphone apps with augmented reality. We developed an augmented reality smartphone app in C# and studied the interaction of 60 children aged between two and eight years with it. We conducted a preference

Network analytics is of key importance for the proper management of network resources as the rate of Internet traffic continues to rise. The aim of this paper is to investigate the performance of different network traffic capture tools for extracting features and to evaluate the performance of eight Machine Learning (ML) algorithms in the classification of (1) applications; (2) states and (3) anomalies

The slow adoption of IPv6 protocol by organizations has led to internet service providers (ISP) investing minimal resources in setting up IPv6 Internet connectivity, ultimately resulting in sub optimally tuned IPv6 Internet routing fabric. The altogether different IPv6 packet header with more bits for the IP address, no header checksum, and no intermediate fragmentation features, are expected to give

In the contemporary world, applications and tools of digital technology have become part of our daily lives. The technology and tools influence and helps us to improve and excel in education, science, social science, communication, business, personal management and many others. In particular, the digital technology has made phenomenal changes in the way we learn and educate others. The influence and

Computer power and internet proliferation together have given rise to some of the amazing and revolutionary technologies, one of them being the cloud computing. In the beginning of this century, this technology was already providing a paradigm shift in the way infrastructure is used in the businesses applications. This technology in particular has been one of the major reasons of the spread of e-learning

In the original article, one of the co-author’s (Abdullah Basahel) given name has been published incorrectly.

Maximum power point (MPP) Tracking, which is usually referred as MPPT, is a setup that forces the photovoltaic (PV) module to operate in such a way that the PV module will yield the maximum power, which in turn depend upon the solar illumination and surrounding temperature. Amidst all the MPPT designs, perturb & observe and incremental conductance (INC) algorithms are mostly selected due to easy implementation

It is a vital necessity of a heterogeneous environment to schedule the resources efficiently among applications to optimize the execution time to provide well-regulated services to the users. The system is said to be effective only if it supplies the resources on time and assures smooth task execution. This paper introduces a dynamic task scheduling with advance reservation (DTSAR) of resources to

Agile software development is receiving the attention of software developers and researchers thanks to its fast software delivery and flexible development plan capabilities. The fast release and simplified documentation thus leads to the preference of the agile development model over several other traditional models. This, however, also raises critical concerns about the security issues. In this research

Now-a-days, security and surveillance has become an integral part of our everyday life. There is a need for an Intelligent Surveillance systems for the being developed Smart Cities to ensure safety at all levels. The Objective of this paper is to demonstrate an Integrated framework for Vehicle detection and classification from real-time video captured from the road traffic. This work proposed a complete

Distribution of nodes in different depths leads unbalanced energy consumption in underwater wireless sensor networks. This issue is one of the most important challenges in routing protocols based on depth because nodes with larger depth rely on smaller depth nodes to send their data to the sink through multi-hop communications. This situation applies high load on nodes with small depth as they die

Accurate and precise trajectory tracking is crucial for unmanned aerial vehicle (UAVs) to operate in disturbed environments. This paper presents a novel tracking hybrid controller for a quadrotor UAV that combines the robust adaptive neuro-fuzzy inference system (ANFIS) controller and Improved Particle Swarm Optimization algorithm (IPSO) model based on functional inertia weight. The controller is implemented

In the current scenario, mobile users are increasing exponentially in number. Thus, to achieve the guaranteed level of Quality of Service (QoS) for the maximum users, maximum bandwidth utilization is not the only key issue. Some different elements such as call blocking probability, interference, handover are also required to be taken into consideration as low performance of these elements may lead

An intelligent decision support secure diagnostic engine covers the complex processes of early diagnosis, proper collection and management of health records by supervising and managing multiple physiological parameters in real time. This system performs data processing over the secure encrypted wireless platform and generates warning flags when rules are violated. Provision of remotely accesses of

Pattern recognition, data mining and machine learning disciplines always work with a predefined dataset to create a hypothesis for an artificial decision support system. A dataset might occasionally be damaged due to various reasons. They might be subdivided for cross-validation to test an expert system performance. Some samples in the dataset might be deleted since they lose their importance. In addition

Brain tumor is an uncontrolled mass of tissues in the brain which originate due to mutated growth of tissues. Brain tumor has become a leading cost of death in modern day environment and researchers are inclined to find ways to mitigate the proliferation of this disease. A lot of methods have been applied in brain tumor detection ranging from image processing to signal based analysis. In this study

With the increased dependence on the internet for day to day activities, the need to keep the networks secure has become more vital. The quest of securing the computer systems and networks, from the users with destructive mindset, has resulted in the invention of surfeit devices and methods. One such method against whom the responsibility of discriminating between normal and harmful data, flowing on

Opportunistic network (OppNets) routing protocols are improved to run in a situation in which it does not present a consistent end-to-end communication. The investigators of the Delay Tolerant Networks (DTN) team had aimed at the performance of routing protocols which use “Store-Carry-Forward” method. Delay Tolerant Networks routing presumes that the node buffer is unlimited. Thus, the condition for

Sensor networks are an apt amalgamation of sensing, processing and communication. These networks are formed using tiny inexpensive sensor nodes which have the attributes of low processing power and short radio ranges. They steer themselves to numerous applications and at the same instance, encounter stark energy constraints and face scarce memory resources. The discerning personas of sensor networks

Offline handwritten character recognition is a conversion process of handwriting into machine-encoded text and predominantly used for digitizing handwritten texts and forensic applications. Currently, several techniques and methods are proposed to enhance accuracy of offline handwritten character recognition for many languages spoken across the globe like English, Tamil, Chinese and Arabic. In this

In the modern world of technology, the ontology is considered as an important factor in integrating data and creating semantic links between concepts. Given the reasoners and tools provided, processing is possible on the information stored in the ontology. Since description logic, as a formal language in the expression of ontologies, lacks the necessary means to create a time dimension in the relationship

This paper explores a new perspective of finding the best tournament structures by focusing on two aspects (apart from the number of matches): competitiveness development and ranking precision. Competitiveness development emphasizes the importance of participants’ motivation while keeping the matches exciting whereas ranking precision reflects the persuasiveness of tournament result to its participants

Free space optics has been a subject of interest since few decades ago due to its huge unlicensed spectrum, huge data carrying capacity and immunity to electromagnetic interference among other reasons. In this paper a novel technique for conveying 40 GHz frequency doubled Optical Carrier Suppressed (OCS) millimeter wave radio signals over free space has been proposed and simulated. After suppression

The biological vision model is devoted to provide a novel technology approach by merging new cognitive visual features with inspired nerve cells cognitive intelligence cortex and try to relate with real worlds object recognition. To perceive an arbitrary natural scene from complex environment perception and sensing in robotic mobility and manipulation on unstructured random natural scene understanding

Nowadays, the importance of continuous connectivity of wireless network has increased because of increase in the number of applications in handheld devices. For offering continuous connectivity, seamless mobility management is very much necessary. Many mobility management schemes have been proposed. The techniques can broadly classified as, tunnel based scheme and routing based scheme. The tunnel based

As invent of the new technology is rapidly increasing and population is adopting the new technologies. Cyber security is becoming a major concern. Today almost everything is done online like shopping, banking, storing, sharing and communication. Everywhere barcodes, QR codes, OTP, PIN and etc., are used. Still it is becoming very difficult to secure things. In this paper, we propose a new method of

The expeditious improvement and advancement in technology have shaped computers as ammunition, which may lead to a huge loss if used for wrong motives. The objective of computer forensics involves correctly examine and collect the digital evidence in such a manner so that they are justifiable in court. Due to the growing importance of cyber world security and the sincerity of cybercrime, it is essential

Determination of a person’s age can be an important factor in forensic investigation. DNA methylation (DNAm) is a well-known factor signifying change during the aging process but also necessary for the development of mammals. Several studies reported that DNAm can be used as an important marker in predicting the age of a human. This study is carried out to develop the age prediction model using three

Mining data from text is often becomes a crucial part of data mining tasks. With the growing tendency of using cloud and sharing more and more files over the internet, the necessity of applying a string matching algorithm in text mining has increased rapidly in present time. These algorithms need to make less character comparisons and pattern shifts while searching. In this paper, we’re proposing a

Cognition and adaptability is a prominent aspect of Communication Intelligence (COMINT). Automatic Modulation Recognition (AMR) is one such aspect. AMR focuses on identifying modulation technique used at a particular carrier frequency which is got by spectral analysis (SA). The article deals with modulation recognition using feature based approach. This article addresses recognition of modulations

Though watermarking got attention in the past decade, its robustness and security remain as a challenge to the researchers. Here, one new technique has been proposed to counter these problems using Arnold 4D cat map in discrete wavelet domain. The color watermark is decomposed into the RGB planes before the encryption process. Similarly, the cover image is decomposed to the RGB planes. Initially, the

Now a day’s intelligent diagnoses approaches are massively accepted for the purpose of advance analysis and detection of several diseases. In this work a supervised learning based approach using artificial neural network (ANN) has been proposed to achieve more accurate diagnoses outcomes for the case of diabetic retinopathy. Features extracted from the retina images are used as input to the ANN based

In the proposed work, different techniques of the image processing in spatial domain in the field of biomedical applications has been presented. The proposed techniques are image inverting, image brightness addition, image brightness subtraction, threshold operation and contrast stretching technique. Here, the main purpose is to achieve better appearance and visuality with higher execution speed when

Broadcasting in mobile ad hoc networks is performed using various techniques like blind flooding, counter based broadcast, probabilistic broadcast etc. Among these flooding is the most primitive, where every node forwards the broadcast message whenever it gets the message for the first time. However, duplicate copies of the same broadcast message are always eliminated. In spite of simplicity of the

Smart phones have advanced at a very fast pace in recent years. These advancement leads to the concern of exploitation of users’ personal information due to non-restricted usage of data by any third party applications. Mobile crowdsourcing has evolved as an appropriate method for collecting the data or finding solution of a broadcasted task where the mobile phone users can perform the task anytime

Prediction of faulty modules in the software development cycle earlier helps to reduce the cost of software development. Test engineers give more attention to the faulty modules to remove any latent defect in the software. Most of the studies available in literature have used historical data related to the same projects for identification of faulty modules; however availability of historical data for

A multiband hexagonal antenna for application in wireless communication using Koch curves have been investigated in this paper. Antenna has been designed and fabricated on low cost FR4 epoxy substrate having its thickness 1.6 mm and whose value of dielectric constant is 4.4. In this paper, we used inset cut transmission line feeding technique so that proposed antenna can exhibit multiband operation

The increasing rate of connectivity is driving towards a new era of virtual reality which is possible with the high end speed internet. The connectivity between every object is forming a shape of latest technology, i.e. IoT (Internet of Things) which requires the enormous networking connection. Comparing to all those previous technologies, the outrageous demands which are placed on 5G are continuing