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Mathematical and Software Engineering
43 Publications


  • Development of Sales and Inventory Workflow Management Information System Web Portal for Petrospan Integrated Services, Eket, Akwa Ibom State, Nigeria

    Ezeonwumelu, Adanna Ngozi; Eunice, Akinloye Bolanle; Ezenugu, Isaac A. (2017)
    In this paper, the development of Sales and Inventory Workflow Management Information System (SIWfMS) web portal for Petrospan Integrated Services, Eket, Akwa Ibom state, Nigeria was presented. Rapid Application Development (RAP) methodology is used in the web application development. Three-tier architecture based on WAMP server configuration was adopted. The WAMP server was made up of Windows Operating system; Apache web server, MySQL database system and PHP server-side scripting langue. The...

    Empirical Models for Estimation of Rain Rate in the Fifteen ITU Rain Zones

    Jonathan, Orogun Avuvwakoghene; Udofia, Kufre M.; Kalu, Constance (2016)
    Rain rate data are essential for the computation of rain attenuation that can be experienced by wireless signal passing through a given area. The International Telecommunication Union (ITU) divided the world into fifteen rain zones and for each rain zone ITU published rain rate data for just seven different link percentage availability, namely: 99%, 99.7%, 99.9%, 99.97%, 99.99%, 99.997% and 99.999%. In this paper, two empirical models are developed for estimating the rain rate for any given l...

    Rural Electrification Peak Load Demand Forecast Model Based on End User Demographic Data

    Umoren, Anthony Mfonobong; Okpura, Nseobong I.; Markson, Idorenyin (2017)
    In this paper a rural electrification peak load demand forecast model was developed based on the readily available United Nation and World Bank data on the electric power consumption in KWh per capita, along with the population and land mass data of the rural community. Furthermore, in the situation where there is no available data on the land mass area, a web map applications can be used for computing the land mass area in Km2 for the project coverage area. In this paper, the rural community...

    Optimization of CCIR Pathloss Model Using Terrain Roughness Parameter

    Nnadi, Nathaniel Chimaobi; Nnadi, Ifeanyi Chima; Nnadi, Charles Chukwuemeka (2017)
    In this paper, optimizing CCIR  pathloss model  using terrain roughness parameter is presented. The study is based on field measurement of received signal strength and elevation profile data obtained in a suburban area of Uyo for   800 MHz GSM network. Particularly,  in this paper, the mean elevation and the standard deviation of elevation are used separately to minimize the error using least square method.  The results show that the untuned CCIR  model has a RMSE of  28.8 dB and prediction a...

    Comparative Analysis of the Impact of Frequency on the Radius of Curvature of Single and Double Rounded Edge Hill Obstruction

    Chikezie, Aneke; Uko, Mfonobong Charles; Nwokonko, Swinton C. (2017)
    In this paper, comparative analysis of the impact of frequency on the radius of curvature of single and double rounded edge hill obstruction is studied, particularly when the International Telecommunication Union (ITU) recommendation 526 version 13 method is used to compute the radius of curvature. The study is conducted with two  path profiles of  microwave links, one  with isolated  single edged hilltop and a second profile  with isolated  double edged hilltop. The frequencies considered ar...
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