Browsing by Author "Abdurrhaman, Isa"
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Item Assessment of Internet service Provider using UMTS Operators at the University of Ilorin Main campus(Faculty of Engineering, University of Nigeria, Nsukka, Nigeria, 2020) Akanni, Jimoh; Abdurrhaman, Isa; Alao, Rasaq; Thomas, CorneliusOver the years the need for mobile broadband had seen a great increment due to the demand of internet mobile users. In this research work, data size for Internet operation on UMTS mobile network operators on the University of Ilorin Campus was assessed. The study assessed three UMTS network operators using an Infinix T627 android smart phone and RantCell App. to measure the download and upload at the selected points on the University of Ilorin Campus. It was observed that the number of active subscribers with their relative position in a cell have a great effect on the performance of the networks and therefore, the authors recommend the need for the operators to improve their data sizes so as to enhance users’ satisfaction.Item Development of a Compact and Accurate Auto-Update Digital Clock with Real-Time Location Display using Organic Light Emitting Diode and Crystal Oscillator(Department of Pure & Industrial Chemistry, University of Port Harcourt, Nigeria, 2022) Akanni, Jimoh; Abdulrasaq, Abdulwahab; Abdurrhaman, Isa; Ojo, AyodapoResearch has been going on for a lengthy time on digital clocks but with restraints to auto-updating based totally on location. The objective of the paper is to produce a portable and accurate auto-update digital watch (clock) that shows the real time and the current location of the user with the aid of crystal oscillator to generate clock pulses which interfaced with the GPS modules with organic light-emitting diode (OELD). The system was able to automatically update the co-ordinate of locations whenever the user moves from one place to another, It also auto-update time whenever the battery is removed and reinserted or when switched OFF and then switch ON after sometime. It also eliminate the stretch associated with time adjustment whenever the battery is down and replaced or when the watch is switched OFF and then ON. It performed satisfactorily and as a result, the system can be adapted and integrated to the new technology of modern watch as it can be adopted by the user to locate his/her position at any point in time.Item Duty Cycle Analysis of Radio Spectrum Profile Utilization for Cellular Bands(Nigerian Institution of Professional Engineers and Scientists, 2020) Akanni, Jimoh; Abdurrhaman, Isa; Thomas, Cornelius; Alao, Rasaq; Adeshola, AbimbolaWireless technology offers more flexible and inexpensive ways of communication and with four key comparative advantages over the wired technology–increased efficiency, high availability, greater flexibility and mobility for users at a far better reduced cost of installation and maintenance [1]. The high increase in the growth of wireless devices with the present static radio spectrum management has created an inadequacy in the available radio spectrum [2], and presently the spectrum regulatory bodies are of the view that static spectrum management approach giving exclusive right of way to use licensed is still efficient [3]. The global monthly data traffic grew by about 69% from 1.5 exabyte in 2013 to 2.5 exabyte at the end of year 2014 and this is expected to reach up to 24.5 exabyte in 2019 and beyond that as forecasted by Cisco visual networking index [4]. This static allocation of radio spectrum is no longer adequate to grant access to the exponential growth of the wireless device because some portions of the radio spectrum are heavily used while the others are rarely used or not used at all; thus the inadequate sharing of the radio spectrum among users can lead to the opening of unwanted denial of service event [5]. In addition, the demand for wireless coverage, capacity, connectivity and services will continually expand and a critical barrier is the scarcity of the radio spectrum because it is fixed and cannot be expanded.Item Propagation Loss Determination of GSM Signal Strength in Selected Buildings in Ilorin, Nigeria(University of Maiduguri, Nigeria, 2021) Akanni, Jimoh; Oraiye, Oluwatosin; Abdurrhaman, Isa; Ogunbiyi, OlalekanGSM signal building penetration loss is a problem often encountered by subscribers inside a building. As a result of building penetration loss, poor reception and signal outages often occur in many indoor locations and this accounts for increased attenuation of received signal strength of a cellular network signal when a subscriber with a mobile phone moves from outdoor to indoor. The study assessed the GSM signal penetration loss in thatched, wooden, block, mud and zinc buildings. Three network providers named A, B and C was used for the experiment. A low budget but very effective equipment (Two Tecno Pouvoir 3 plus Android phone) was used as the measurement tool. It was loaded with Network Signal Info application developed by KAIBITS Software GmbH installed software and positioned inside and outside the building to record indoor and outdoor GSM signal strength respectively for the three service providers in Ilorin, Nigeria. The results were then analyzed in order to determine and compare the path loss introduced by each of the selected buildings. This process was repeated for all the selected buildings, and the measurement was carried out for 6 months. The findings revealed that the outdoor signal strength was higher than the indoor signal strength for all the selected buildings; it also revealed that penetration loss is likely to be a function of the material used in the construction of the buildings. Zinc building has the highest penetration loss of 12.0 dBm and thatched building has the least penetration loss of 2.6 dBm. Information from this research will assist in selection of building materials for good indoor cellular network signal …Item z-Normalized Download and Upload throughput on UMTS Networks(Jaye Publications, 2020) Akanni, Jimoh; Abdurrhaman, Isa; Thomas, Cornelius; Alao, Rasaq; Adeshola, Abimbola; Abdullahi, AWireless data networks as become the most efficient and reliable telecommunication services for providing internet services to most people around the globe. Over 50 billion wireless devices is expected to be connected by the end of 2020, all of which are likely going to demand access to the internet making the demand for wireless connectivity, coverage, capacity and services to continually expanding; all of which can be evaluated based on end user satisfaction. The end users demand reliable, accurate, consistent tools and methodology that help them to measure the download and upload throughput; also the operators are interested to predict the future throughput based on historical data from the past. In this research, we come up with a methodology to effectively and accurately measure the download and upload of the UMTS data network in a real wireless environment from end users point using three selected operators on the University of Ilorin main Campus. We normalized mathematically the measured value and compare the performance with the minimum value for UMTS wireless network and there after compare each operator to provide the end user with an effective decision tool in order to acquire maximum satisfaction. Based on the result we suggested an app should be develop similar to that used in the study and then the measurement period should be increased for better prediction by operators and to provide more data information for the end users to aid their decision thereby increasing their satisfaction