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Search Results: 1 - 10 of 255 matches for " Adamu Murtala Zungeru "
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Performance Evaluation of Ant-Based Routing Protocols for Wireless Sensor Networks
Adamu Murtala Zungeru,Li-Minn Ang,Kah Phooi Seng
International Journal of Computer Science Issues , 2012,
Abstract: High efficient routing is an important issue in the design of limited energy resource Wireless Sensor Networks (WSNs). Due to the characteristic of the environment at which the sensor node is to operate, coupled with severe resources; on-board energy, transmission power, processing capability, and storage limitations, prompt for careful resource management and new routing protocol so as to counteract the differences and challenges. To this end, we present an Improved Energy-Efficient Ant-Based Routing (IEEABR) Algorithm in wireless sensor networks. Compared to the state-of-the-art Ant-Based routing protocols; Basic Ant-Based Routing (BABR) Algorithm, Sensor-driven and Cost-aware ant routing (SC), Flooded Forward ant routing (FF), Flooded Piggybacked ant routing (FP), and Energy-Efficient Ant-Based Routing (EEABR), the proposed IEEABR approach has advantages in terms of reduced energy usage which can effectively balance the WSN node€ s power consumption, and high energy efficiency. The performance evaluations for the algorithms on a real application are conducted in a well known WSN MATLAB-based simulator (RMASE) using both static and dynamic scenario.
A Simple and Reliable Touch Sensitive Security System
Adamu Murtala Zungeru,Jonathan Gana Kolo,Ijarotimi Olumide
International Journal of Network Security & Its Applications , 2012,
Abstract: This research focuses on detection of unauthorized access to residential and commercial buildings whenthe residents are far away from the access gate of the house. The system is a simple and reliable touchactivated security system and uses sensor technology to revolutionize the standards of living. The systemprovides a best solution to most of the problems faced by house owners in their daily life. Due to itssimple electroniccomponents nature, it is more adaptable and cost-effective. The system is divided intothreeunits; the power supply unit which employs the use of both DC battery and mains supply to ensureconstant power supply to the circuit, the trigger unit which is responsible for activating the alarm unitand designed to have much time and period and moderate sensitivity in order to reduce the rate of falsealarm, and the alarm amplitude unit which main function is to produce amplitude alarm sound whentriggered by the trigger unit with the aim of producing a large audible sound that can alert the entireneighborhood or scare an intruder away. The design of the system was achieved by considering somefactors such as economy, availability of components and research materials, efficiency, compatibility andportability and also durability in the design process. The performance of the system after test met designspecifications. This system works on the principle of touch sensor.The general operation of the systemand performance is dependent on the presence of an intruder entering through the door and touching anypart of the door. The overall system was constructed and tested and it work perfectly.
Performance Evaluation of Ant-Based Routing Protocols for Wireless Sensor Networks
Adamu Murtala Zungeru,Li-Minn Ang,Kah Phooi Seng
Computer Science , 2012,
Abstract: High efficient routing is an important issue in the design of limited energy resource Wireless Sensor Networks (WSNs). Due to the characteristic of the environment at which the sensor node is to operate, coupled with severe resources; on-board energy, transmission power, processing capability, and storage limitations, prompt for careful resource management and new routing protocol so as to counteract the differences and challenges. To this end, we present an Improved Energy-Efficient Ant-Based Routing (IEEABR) Algorithm in wireless sensor networks. Compared to the state-of-the-art Ant-Based routing protocols; Basic Ant-Based Routing (BABR) Algorithm, Sensor-driven and Cost-aware ant routing (SC), Flooded Forward ant routing (FF), Flooded Piggybacked ant routing (FP), and Energy-Efficient Ant-Based Routing (EEABR), the proposed IEEABR approach has advantages in terms of reduced energy usage which can effectively balance the WSN node's power consumption, and high energy efficiency. The performance evaluations for the algorithms on a real application are conducted in a well known WSN MATLAB-based simulator (RMASE) using both static and dynamic scenario.
Energy Efficiency Performance Improvements for Ant-Based Routing Algorithm in Wireless Sensor Networks
Adamu Murtala Zungeru,Kah Phooi Seng,Li-Minn Ang,Wai Chong Chia
Journal of Sensors , 2013, DOI: 10.1155/2013/759654
Abstract:
Energy Efficiency Performance Improvements for Ant-Based Routing Algorithm in Wireless Sensor Networks
Adamu Murtala Zungeru,Kah Phooi Seng,Li-Minn Ang,Wai Chong Chia
Journal of Sensors , 2013, DOI: 10.1155/2013/759654
Abstract: The main problem for event gathering in wireless sensor networks (WSNs) is the restricted communication range for each node. Due to the restricted communication range and high network density, event forwarding in WSNs is very challenging and requires multihop data forwarding. Currently, the energy-efficient ant based routing (EEABR) algorithm, based on the ant colony optimization (ACO) metaheuristic, is one of the state-of-the-art energy-aware routing protocols. In this paper, we propose three improvements to the EEABR algorithm to further improve its energy efficiency. The improvements to the original EEABR are based on the following: (1) a new scheme to intelligently initialize the routing tables giving priority to neighboring nodes that simultaneously could be the destination, (2) intelligent update of routing tables in case of a node or link failure, and (3) reducing the flooding ability of ants for congestion control. The energy efficiency improvements are significant particularly for dynamic routing environments. Experimental results using the RMASE simulation environment show that the proposed method increases the energy efficiency by up to 9% and 64% in converge-cast and target-tracking scenarios, respectively, over the original EEABR without incurring a significant increase in complexity. The method is also compared and found to also outperform other swarm-based routing protocols such as sensor-driven and cost-aware ant routing (SC) and Beesensor. 1. Introduction A sensor network is an infrastructure composed of sensing, computing, and communication elements that give a user or administrator the ability to instrument, observe, and react to events and phenomena in a specific environment [1, 2]. wireless sensor networks (WSNs) are collections of compact-size, relatively inexpensive computational nodes that measure local environmental conditions, or other parameters and forward such information to a central point for appropriate processing. Each node is equipped with embedded processors, sensor devices, storage, and radio transceivers. The sensor nodes typically have limited resources in terms of battery supplied energy, processing capability, communication bandwidth, and storage. WSN nodes can sense the environment, communicate with neighboring nodes, and in many cases perform basic computations on the data being collected. WSNs applications include commercial applications such as healthcare, target tracking, monitoring, smart homes, surveillance, and intrusion detection. Many applications of sensor networks deal with the static nature of nodes
Assessment of Groundwater Vulnerability in Kaduna Metropolis, Northwest Nigeria  [PDF]
Murtala Shehu Ahmed, Adamu Idris Tanko, Martin Obada Eduvie, Mohammed Ahmed
Journal of Geoscience and Environment Protection (GEP) , 2017, DOI: 10.4236/gep.2017.56011
Abstract: DRASTIC index model was employed in the assessment of the intrinsic groundwater vulnerability to contamination in Kaduna metropolis, Nigeria. The model evaluates the contribution of seven environmental parameters (Depth to water level, Net Recharge, Aquifer media, Soil media, Topography, Impact of vadose zone, and Hydraulic Conductivity) in the protection of groundwater against contamination. The mapping was conducted within the framework of Geographical Information System. The study area has very low, low to slightly moderate vulnerability with highest and lowest DRASTIC values of 131 and 77 respectively. To have better understanding of the spatial vulnerability of groundwater in the area, the DRASTIC map was reclassified into five (very high, high, moderate, low and very low) vulnerability zones. Generally, the distribution of the vulnerability classes indicated the low to moderate vulnerability status of the majority parts of the study area, with high vulnerability at the center. Strict control measures should be put in place when locating land uses with high potential hazards in the high and very high vulnerability areas.
Design and Construction of a Remote Controlled Power Supply Unit
Mahmud Shehu AHMED,Murtala B. Z. ADAMU,Jonathan G. KOLO
Leonardo Journal of Sciences , 2007,
Abstract: The paper presents the design and construction of an infrared remote controlled power supply-switching unit, which is a device that enables the user to operate or control the mains power supplied from approximately 5 to 10 meters away. The remote transmits a beam of light using an infrared light emitting diode; this light is picked and decoded by the receiver unit (Photodiode). The receiver only activates when it receives the beam of light, there are no accidental activations. The system was broken down into simpler functional parts namely: The transmitter stage, the detector (phototransistor) stage, the NAND Schmitt trigger stage, the flip-flop stage and the relay stage. Details of the stages are described in the paper.
Comparative performance of HbA1c 6.5% for FPG ≥ 7.0 vs 2hr PG≥ 11.1 criteria for diagnosis of Type 2 diabetes
AN Adamu
African Health Sciences , 2011,
Abstract: Background: International expert committee on the use of HbA1c to diagnose diabetes mellitus in 2009 and World Health Organization (WHO) in 2011 has advocated the use of HbA1c to diagnose diabetes mellitus. Objective: To determine and compare the relationship between the new cut off value of HbA1c with established criteria. Methods: Thirty-one hypertensive subjects attending Lagos University Teaching Hospital were recruited for HbA1c and standard oral glucose tolerance test. Fasting plasma glucose (FPG) and two-hour plasma glucose (2hrpp) value of e”126mg/dl and >200mg/dl were used as standard respectively for diagnosis of diabetes. The HbA1c of e”6.5% was used to diagnose diabetes. The performance and correlation of HbA1c with FPG and 2hrpp were calculated and results were compared. Results: Mean age of the subjects was 53.97±6.27years. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), efficiency and correlation of FPG is 50%, 68%, 27%, 85%, 64% and 0.5 respectively while the sensitivity, specificity, PPV, NPV, efficiency and correlation of 2hrpp is 73.91%, 62.5%,85%, 41.66%, 70.97% and 0.73% respectively. There was a significant difference between FPG and 2hrpp interms of sensitivity, PPV and NPV. Conclusion: The results of HbA1c with 2hrpp has better correlation, sensitivity, and PPV compared to HbA1c with FPG.
Development of an Anti-collision Model for Vehicles
A. M. Zungeru
Computer Science , 2012, DOI: 10.5121/ijesa.2012.2402
Abstract: The Anti Collision device is a detection device meant to be incorporated into cars for the purpose of safety. As opposed to the anti collision devices present in the market today, this system is not designed to control the vehicle. Instead, it serves as an alert in the face of imminent collision. The device is intended to find a way to implement a minimum spacing for cars in traffic in an affordable way. It would also achieve safety for the passengers of a moving car. The device is made up of an infrared transmitter and receiver. Also incorporated into it is an audio visual alarm to work in with the receiver and effectively alert the driver and/or the passengers. To achieve this design, 555 timers coupled both as astable and monostable circuits were used along with a 38 KHz Square Pulse generator. The device works by sending out streams of infrared radiation and when these rays are seen by the other equipped vehicle, both are meant to take the necessary precaution to avert a collision. The device would still sound an alarm even though it is not receiving infrared beams from the oncoming vehicle. This is due to reflection of its own infrared beams. At the end of the design and testing process, overall system was implemented with a constructed work, tested working and perfectly functional.
Design and Development of an Ultrasonic Motion Detector
A. M. Zungeru
Computer Science , 2013, DOI: 10.5121/ijsptm.2013.2101
Abstract: The ultrasonic motion detector devices emit ultrasonic sound energy into an area of interest (monitored area), and this further reacts to a change in the reflected energy pattern. The system uses a technique that is based on a frequency shift in reflected energy to detect a movement or change in position (motion). In this system, ultrasonic sound is transmitted from the transmitting device which is normally in the form of energy. The transmitted sound utilizes air as its medium and this travel in a wave type motion. The wave is reflected back from the surroundings in the room/hallway and the device hears a pitch characteristic of the protected environment. In this system, the wave pattern is disturbed and reflected back more quickly, thus increasing the pitch and signaling an alarm whenever motion is detected. The main contribution of this work is the design of a circuit that can sense motion through movement of anything, a low cost and portable motion detector, and the design of a circuit that can be used to trigger another circuit whether to ON or OFF depending on the circuit attached to it. Generally, the design is made to detect movement or moving object in a an enclosed area. In this work, a transmitter transducer generates a signal at a frequency of 40khz, and when the signal is blocked by any moving object, and this in turn, triggers a buzzer via a timing circuit. This system works on the principle of the signal interference by a moving body, and the system is dependent on the presence of an intruder or moving object within a monitored area. The system after design and construction was tested and found to work in accordance with specifications.
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