The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The propagation of Wireless Sensor Networks (WSNs) and the latest developments in computing technology embrace the capability of tackling social challenges, which are relatable to Marginalized Rural Areas (MRAs). Instantaneously, there has been surmounting advances in the implementation of assistive technologies known as Zero Effort Technologies (ZETs). The term ‘assistive technology’ refers to 'any...
In this paper, we study the antisynchronization by adaptive controllers, of a generalized multi-wing butterfly attractor design template using the four-wing (n=1) structure as a case study. It was assumed that the parameters of the response system are not available for measurement while the two systems are identical. The direct coupling of the sawtooth wave functions of the identical systems with...
Searching set of patterns {P1, P2, P3, ….Pr}, r≥1, inside body of a text T[1…n] is called multi-pattern matching problem. This matching is said to be parameterized match (p-match), if one can be transformed into the other via some bijective mapping. It is mainly used in software maintenance, plagiarism detection and detecting isomorphism in a graph. In the compressed parameterized matching problem,...
In this paper, the design and development of a low-cost solar cell charger prototype for smartphones is presented. The prototype is the result from a scientific science fair in Mexico. The main idea behind this project is to contribute to the reduction of the global climate change by means of decreasing the consumption of energy derived from the growing use of smart phones. In addition, a basic control...
The growing demand for electric power supply in developing countries has driven system operators to seek for better ways to harness more sources of sustainable power. The growth of power Networks and the number of elements which constitutes them has tremendously increased. This has created the need for an increased capacity and diligence in the sustenance of power systems in such countries. The adoption...
For early diagnosis of the heart failures, the electrocardiography (ECG) is the most common method because of its simplicity and cost. Computer based analysis of ECG provides reliable and efficient tools in diagnostics of arrhythmias. With this objective there are lots of studies on automatic and semi-automatic ECG analysis. Like many biosignals, ECG signals are nonlinear in nature, higher order spectral...
Several studies have shown that the power consumption of Information and Communications Technology (ICT) nodes account for up to 3% of the worldwide power supply and that they are responsible for 2% of the global carbon dioxide (C02) emission. However, several initiatives are being put in place to reduce the power consumption of the ICT sector in general. To this goal, we propose a novel model. The...
With a view to improving the capacity of the differential OFDM modulation scheme, specified in the narrowband power line communications (PLC) standards, in combating PLC channel associated noise, we hereby propose a permutation coded modulation scheme, which employs the hybridization of two kinds of DPSK (differential phase shift keying) modulations in an adaptive manner. The algorithm for deducing...
The introduction of mobile technology has brought dramatic, albeit positive, change to the communication landscape all over the world. Over the years, the effects of its growth have permeated virtually every space and sector; its pervasiveness, offering voice, data, SMS capabilities, as essential driver of effective communication, corporate goals, and economic growth, cannot be overemphasized. Unfortunately,...
Cloud Computing increases the flexibility and access of educational users to a wide range of educational resources. This includes access to infrastructure, software, hardware, and platform at any time in any place provided there is internet access. The users of cloud computing in higher educational institutions include students, lecturers, administrative staff, faculty staff, developers, programmers...
Increasing electricity access through Microgrids for rural areas is often faced with the challenge of increased peak demand through increased electricity demand as more electronic devices will be acquired by the consumers and more small businesses will spring up in the community. If not taken care of, this leads to additional cost of incurring higher peaker plants to meet the peak demand, and the...
This study is bound with a rational management of experience that is used in a design company for developing the software intensive systems (SISs). The approach applied in the study is based on the creation of a precedent-oriented Experience Base the units of which are built by designers when they conceptually solve the project tasks. The specificity of way-of-working used by designers is a reflection...
Noise and attenuation, in the form of frequency disturbance, impulsive noise, additive white Gaussian noise (AWGN) and frequency selective fading, are the major setbacks in power line communications (PLC). In order to effectively combat this challenge, we thus report the development and implementation of a specially coded M-ary differential phase shift keying modulation scheme on narrowband PLC channel...
An ever-increasing size of the power system transmission networks has made the system to be prone to various disturbances which could result to system instability. Therefore, increasing the critical clearing time (CCT) of faults before necessary actions are taken is of paramount importance to power system operators in order to maintain and enhance the dynamic security of the system. This paper takes...
Computational Intelligence methods have been applied to the automatic discovery of predictive models for the diagnosis of Hepatocellular Carcinoma (a.k.a liver cancer). Evolutionary algorithms have lent themselves as efficient and robust methods for evolving best parameter values that optimize feature selection methods. Different computational methods for discovering more robust set of molecular features...
In the world today, education has shown to be a major contributing factor to human and national development. The educational system developed in the last century has moved from traditional system to e-learning on static web and recently to dynamic web. With the advent of social network on the Internet, interaction has been encouraged round the world and the method of connecting everyone in the world...
The threats to global substance necessitated by effects of global warming call for the embrace of green energy initiatives. The powering of telecommunications equipment is an enormous burden for the operators in Nigeria since it has the smallest per capita electricity consumption in the world. In this paper, the challenges faced by telecommunication service providers in powering their infrastructures...
The field of education has undoubtedly been affected by the penetrating influence of information and communication technology, characterized by improved access to the internet, and the increasing use of computing devices. However, education in Africa and specifically Nigeria still faces a 21st Century challenge in making education available and accessible to all. As a means of responding adequately...
Electrocardiography (ECG) signal is a bioelectrical signal which depicts the cardiac activity of the heart. It is a technique used primarily as a diagnostic tool for various cardiac diseases. ECG provides necessary information on the electrophysiology and changes that may occur in the heart. Due to the increase in mortality rate associated with cardiac diseases worldwide despite recent technological...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.