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7 results on '"Dauda, Umar Suleiman"'

4. Development of Smart Electricity Distribution Algorithm for Multi-Source and Segmented Loads in Buildings.

Author

Dauda, Abdul-Azeez, Oyewobi, Stephen, Okoh, Supreme Ayewoh, and Dauda, Umar Suleiman

Subjects
ELECTRIC power distribution, BUILDINGS, ECONOMIC development, ENERGY consumption
Abstract

Nigeria has encountered numerous power issues in recent years, including limited and irregular power supply, high power costs, and underdeveloped power facilities, all of which have had major negative consequences on the country's socio-economic development. To improve power availability in buildings and ensure adequate usage efficiency, this paper presents the development of a smart electric power distribution algorithm for multi-source and segmented loads, for implementation on distribution boards. This research aims to develop an algorithm that may be used to support the current building wire infrastructure in Nigeria, allowing for 24/7 reliable power supply and effective management of limited power supply in buildings. It employs a multi-source and segmented load system to provide reliability and energy efficiency measures to balance power supply and demand in buildings. Actual data from offices in the engineering complex of Niger State Polytechnic Zungeru, Nigeria, was used to simulate the developed system in MATLAB Simulink. Results showed that the developed algorithm conserved power by 33.71% compared to the conventional distribution board. [ABSTRACT FROM AUTHOR]

Published
2022

7. Hidden Node Scenario: A Case for Cooperative Spectrum Sensing in Cognitive Radio Networks

Author

Sharifah Kamilah Syed Yusof, Joseph Stephen Bassi, Dauda Umar Suleiman, Jafri Din, Paulson Eberechukwu Numan, and Kamaludin Mohamad Yusof

Subjects
Scheme (programming language), Multidisciplinary, Hidden node problem, Computer science, Universal Software Radio Peripheral, Real-time computing, 020206 networking & telecommunications, 02 engineering and technology, Cognitive radio, 0202 electrical engineering, electronic engineering, information engineering, 020201 artificial intelligence & image processing, Performance indicator, computer, Simulation, computer.programming_language
Abstract

Objective: Cognitive radio technology allows the opportunistic usage of licensed spectrum resources by unlicensed users. The most important function of the cognitive radio technology is spectrum sensing. In hidden node scenarios, cooperation among cognitive radio nodes is needed to improve the sensing performance. In this work, the benefits of cooperative spectrum sensing are illustrated in a hidden node environment. Methods/Statistical Analysis: The distributed cooperative sensing approach was adopted for the implementation. Universal Software Radio Peripheral was used in collecting spectrum data and results were analysed using MATLAB software toolkit. Findings: Cooperative spectrum sensing among cognitive radio nodes operating at the same frequency improves the probability of detection, and the overall efficiency of the system. Results shows that the cooperative sensing scheme outperforms the individual sensing approach keeping in mind the number of collected samples as the key performance indicator. Applications/Improvements: The results obtained show that the frequency spectrum is underutilised. There is a need to explore the present spectrum holes and improve on the available sensing techniques for the implementation of cognitive radio networks in the future.

Published
2016

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