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Now showing items 31-40 of 43
Investigation and analysis of the effects of geometry orientation of array antenna on directivity for wire-less communication
(Cogent Engineering, 2016-09-08)
Array antennas offer a wide range of opportunities in the variation of their
directivity patterns through amplitude and phase control. Directivity is one of very
important parameters when optimizing Antenna. This paper ...
Research Based Solution for Linking Higher Learning Institutions Students to Relevant Companies for Field Attachment
(Modern Education and Computer Science Press, 2019-10-08)
Work-based learning is what equips students
with practical skills. All higher learning institutions
(HLIs) have a specified period of time for students to
carry out field based practices in companies which are
relevant ...
Comparison of Empirical Propagation Path Loss Models for Mobile Communication
(Computer Engineering and Intelligent Systems, 2014)
Empirical propagation models have found favor in both research and industrial communities owing to their speed
of execution and their limited reliance on detailed knowledge of the terrain. In mobile communication the
accuracy ...
Machine Learning Model for Imbalanced Cholera Dataset in Tanzania.
(Hindawi, 2019-07-25)
Cholera epidemic remains a public threat throughout history, affecting vulnerable population living with unreliable water and substandard sanitary conditions. Various studies have observed that the occurrence of cholera ...
Forward Error Correction for Storage Media: An Overview
(International Journal of Computer Science and Information Security (IJCSIS), 2015-12)
As the adoption of Information and Communication
Technology (ICT) tools in production and service rendering
sectors increases, the demand for digital data storage with large
storage capacity also increases. Higher storage ...
An Overview of Various Propagation Model for Mobile Communication
(Pan African International Conference on Information Science, Computing and Telecommunications, 2014)
System’s propagation characteristics through a medium is one of the important task to be done before planning and optimization of any network in order to estimate the signal parameter accurately for mobile system. Propagation ...
Optimization of Hata Model based on Measurements Data using Least Square Method: A Case Study in Dar-es-Salaam – Tanzania
(International Journal of Computer Applications, 2014-09)
ABSTRACT
In this study, we present a measurement-based model for path loss prediction in three GSM service areas at 900 MHz .Modified Hata model for rural, suburban, and urban environments were derived in this study on ...
Electrical & Electronic Engineering | Research Article Performance Of Soft Viterbi Decoder Enhanced With Non-Transmittable Codewords For Storage Media
(Cogent Engineering, 2018-01-12)
The introduction of Non-Transmittable Codewords (NTCs) into Viterbi
Algorithm Decoder has emerged as one of the best ways of improving performance
of the Viterbi Algorithm Decoder. However, the performance has been tested ...
Usability test for cloud-based m-learning assistive technology for visually impaired learners in Tanzania’s higher learning institutions
(International Journal of Advanced Technology and Engineering Exploration, 2019-08)
The advancement of learning technologies has paved the way for learners to learn at their own pace. For visually impaired learners have been relying on other learners to get information through their smart devices. The ...
Optimization Design of Patch Antenna by Introduction of Capacitive Patch
(IEEE, 2018)
An efficient method for integrating genetic algorithm (GA) with method of moments for capacitive patch antenna design has been presented. The movement of capacitive patch within the antenna model and its length are controlled ...