Browsing by Author "Kaijage, Shubi"
Now showing items 1-20 of 45
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Air Pollution Monitoring System based on Wireless Networks - Simulation
Swagarya, Godbless; Kaijage, Shubi; Sinde, Ramadhani (Innovative Systems Design and Engineering, 2014)Air pollution is one of environmental issues that cannot be ignored. Industrial growth and urbanization results in the air pollutants concentrations in many areas. These pollutants can cause damages in human health and ... -
Automated Optimization-Based Deep Learning Models for Image Classification Tasks
Migayo, Daudi; Kaijage, Shubi; Swetala, Stephen; Nyambo, Devotha (Computers, 2023-09-01)Applying deep learning models requires design and optimization when solving multi- faceted artificial intelligence tasks. Optimization relies on human expertise and is achieved only with great exertion. The current ... -
Characteristics of Ultrasensitive Hexagonal-Cored Photonic Crystal Fiber for Hazardous Chemical Sensing
Maidi, Abdul; Shamsuddin, Norazanita; Wong, Wei-Ru; Kaijage, Shubi; Begum, Feroza (MDPI, 2022-01-10)A highly sensitive non-complex cored photonic crystal fiber sensor for hazardous chemical sensing with water, ethanol, and benzene analytes has been proposed and is numerically analyzed using a full-vector finite element ... -
Cluster based wireless sensor network for forests environmental monitoring
Sinde, Ramadhani; Kaijage, Shubi; Njau, Karoli (International Journal of Advanced Technology and Engineering Exploration, 2020-02)Monitoring the forest’s weather has been essential to living things over the years. Currently, there is a shortage of information on real-time temporal and spatial environmental conditions of the forest that drive forest ... -
A Comparative Study of Assistive Technologies for Physically challenged peoples for usability of Powered Wheelchair Mobility Aid
Rwegoshora, Florian; Leo, Judith; Kaijage, Shubi (International Journal of Advances in Scientific Research and Engineering (ijasre), 2022-01)Physical disabilities have always been a big issue in our communities. Ageing, sickness, and other variables have all had a role in the creation of these issues. That is why Powered wheelchairs were designed to aid people ... -
Deep Reinforcement Learning based Handover Management for Millimeter Wave Communication
Mollel, Michael; Kaijage, Shubi; Michael, Kisangiri (International Journal of Advanced Computer Science and Applications,, 2021)The Millimeter Wave (mm-wave) band has a broad-spectrum capable of transmitting multi-gigabit per-second date-rate. However, the band suffers seriously from obstruction and high path loss, resulting in line-of-sight (LOS) ... -
Design and Analysis of Smart Sensing System for Animal Emotions Recognition
Massawe, Erick Alphonce; Michael, Kisangiri; Kaijage, Shubi; Seshaiyer, Padmanabhan (International Journal of Computer Applications, 2017-07)Recently, animal emotion recognition has become an important field for developing intelligent systems for tracking and monitoring rhinos and elephants. In this work, a smart sensing system that helps in detecting animal ... -
Design and Simulation of Photonic Crystal Fiber for Liquid Sensing
Maidi, Abdul; Yakasai, Izaddeen; Abas, Emeroylariffion; Nauman, Malik; Apong, Rosyzie; Kaijage, Shubi; Begum, Feroza (MDPI, 2021-01-12)A simple hexagonal lattice photonic crystal fiber model with liquid-infiltrated core for different liquids: water, ethanol and benzene, has been proposed. In the proposed structure, three air hole rings are present in ... -
Design of an Interactive Geo-Location Mobile Application for Civil Societies in East Africa
Patrick, Emil; Leo, Judith; Kaijage, Shubi (Scientific Research Publishing Inc, 2021-10-13)This paper reports the developed mobile application through the use of ad- vanced technologies such as mobile computing, cloud computing and Global Positioning System (GPS) in order to solve the challenges. The purpose ... -
Design of an Interactive Mobile Application for Maternal, Neonatal and Infant Care Support for Tanzania
Mramba, Bernard; Kaijage, Shubi (Scientific Research Publishing, 2018-12-27)Reducing maternal and infant deaths’ rates in the developing countries, particularly in sub-Sahara Africa, remain a big challenge. Despite efforts by governments, the reductions have been unsatisfactory. To accelerate the ... -
Development and Testing of Adaptive Vehicle Speed Monitoring System integrated with Alcoholic Detector for Public Buses: A case of Tanzania
Ramju, Farhan; Sinde, Ramadhani S.; Kaijage, Shubi (International Journal of Computer Applications, 2015-10-07)21 Development and Testing of Adaptive Vehicle Speed Monitoring System integrated with Alcoholic Detector for Public Buses: A case of Tanzania Farhan Ramju Department of Communication Science and Engineering Nelson ... -
Development of Self Speaking Body Weight Scale for Visually Impaired People in Tanzania
Nzasangamariya, Gloriose; Sinde, Ramadhani; Kaijage, Shubi (International Journal of Advances in Scientific Research and Engineering, 2021-07)Speaking weight scale is an important low vision health aid that measures and announces the measured weight. It is valuable in numerous applications such as Bathroom scale, Kitchen scale, and more. ... -
Extremely low material loss and dispersion flattened TOPAS based circular porous fiber for long distance terahertz wave transmission
Islam, Saiful; Sultana, Jakeya; Rana, Sohel; Islam, Mohammad; Faisal, Mohammad; Kaijage, Shubi; Abbott, Derek (Elsevier, 2016)In this paper, we present a porous-core circular photonic crystal fiber (PC-CPCF) with ultra-low material loss for efficient terahertz wave transmission. The full vector finite element method with an ideally matched layer ... -
FakeAP Detector: An Android-Based Client-Side Application for Detecting Wi-Fi Hotspot Spoofing
Mwinuka, Lunodzo; Agghey, Abel; Kaijage, Shubi; Ndibwile, Jema (IEEE Access, 2022-01-27)Network spoofing is becoming a common attack in wireless networks. The trend is going high due to an increase in Internet users. Similarly, there is a rapid growth of numbers in mobile devices in the working environments ... -
Handover Management in Dense Networks with Coverage Prediction from Sparse Networks
Mollel, Michael; Ozturk, Metin; Kisangiri, Michael; Kaijage, Shubi; Onireti, Oluwakayode; Imran, Muhammad; Abbasi, Qammer (IEEE, 2019)Millimeter Wave (mm-Wave) provides high bandwidth and is expected to increase the capacity of the network thousand-fold in the future generations of mobile communications. However, since mm-Wave is sensitive to blockage ... -
Highly sensitive biosensor based on a microstructured photonic crystal fibre for alcohol sensing
Ang, Chuan; Maid, Abdul; Kaijage, Shubi; Begum, Feroza (Elseiver, 2023-04-15)A microstructure alcohol biosensor has been proposed to operate in the wavelength range of 0.8 to 2.0 μm for the sensing of propanol, butanol, and pentanol, unveiling impressive results of relative sensitivity and ... -
Intelligent handover decision scheme using double deep reinforcement learning
Mollel, Michael; Abubakar, Attai Ibrahim; Ozturk, Metin; Kaijage, Shubi; Michael, Kisangiri,; Zoha, Ahmed; Imran, Muhammad Ali; Abbasi, Qammer (Elsevier B.V., 2020-10)Handovers (HOs) have been envisioned to be more challenging in 5G networks due to the inclusion of millimetre wave (mm-wave) frequencies, resulting in more intense base station (BS) deployments. This, by its turn, increases ... -
An intelligent real-time wireless sensor network tracking system for monitoring rhinos and elephants in Tanzania national parks: A review
Alphonce Massawe, Erick; Michael, Kisangiri; Kaijage, Shubi; Seshaiyer, Padmanabhan (International Journal of Advanced Smart Sensor Network Systems, 2017-10-04)The advancement of wireless sensor networks yields a variety of wireless sensor network for wildlife tracking. One typical application for wireless sensor networks is in animal tracking and monitoring in wildlife ... -
Lifetime improved WSN using enhanced-LEACH and angle sector-based energy-aware TDMA scheduling
Sinde, Ramadhani; Begum, Feroza; Njau, Karoli; Kaijage, Shubi (Cogent Engineering, 2020-07-20)Network lifetime remains as a significant requirement in Wireless Sensor Network (WSN) exploited to prolong network processing. Deployment of low power sensor nodes in WSN is essential to utilize the energy efficiently. ... -
Modelling and simulation of novel liquid-infiltrated PCF biosensor in Terahertzfrequencies
Suhaimi, Nurul; Yakasai, Izaddeen; Abas, Emeroylariffion; Kaijage, Shubi; Begum, Feroza (IET Optoelectronics, 2020-07-23)The liquid-infiltrated photonic crystal fibre (LI-PCF) is proposed for guiding terahertz radiation. Geometricalasymmetry is achieved by introducing a large ellipse in the core. By filling the ellipse with liquid ...