Browsing by Author "Caroline Alenoghena"

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    Dipole antenna design leveraging optimization techniques
    (ABU-Zaria, 2023) Akamike, Ogechi; Caroline Alenoghena; Oyewobi S. Stephen
    Dipole antenna are commonest type of antenna in terms of design. This paper presents a technical review on the subject matter of dipole antenna design leveraging optimization techniques to design a better dipole antenna
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    Dipole Antenna Design Leveraging Optimization Techniques.
    (Harvard International Journal of Engineering Research and Technology, 2023-12-31) Akamike, Ogechi; Caroline Alenoghena; Oyewobi S. Stephen
    Dipole antennas are the commonest and simplest type of antennas in terms of design. Antenna Engineers and researchers have been looking for ways to design dipole antenna that can address specific needs of their clients, without incurring additional expenses on the available resources. Therefore, optimization techniques becomes necessary to be leveraged in order to design cost-effective antennas. This paper presents dipole antenna and its varieties as well as different optimization techniques that can be leveraged to design dipole Omnidirectional antennas that can stand the test of time. Most dipole antenna designs carried out by some researchers did not include integrating optimization techniques in their approach.
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    Survey of Cellular Signal Booster
    (Mecs, Information Engineering and Electronic Business, 2018-11-08) Michael Okwori; Salihu O. Aliyu; Oyewobi S. Stephen; Caroline Alenoghena; Habeeb Bello-Salau; Sani S. Makusidi; Victor Asuquo
    The development of wireless technology has facilitated the wide deployment of mobile communication systems. The beauty of wireless communication is that all nooks and corners can be reached at a cheaper and faster rate when compared with wireline. Wireless is now dominating the telecommunications market. Initially, the dawn of wireless was seen as the dawn of communications to poor countries and rural areas which were poorly covered by wireline devices due to high cost. Currently, the story has changed. Both the wired and unwired environments are clamoring for wireless connectivity. Considering the hype of R&D in broadband technologies and easy acceptance in the market place, wireline communications may soon die a natural death. However, wireless communications faces a few challenges. One of them is that the radio frequency (RF) carrier signals used in these communication systems degrades as it travels through the air interface due to attenuation and interference. As a result, the range of coverage may not be as planned leading to very weak reception or even dead zones where no communication can be done. This problem has resulted in the development of cellular signal boosters that help in receiving the weak signal, amplifying and then re-transmitting it to reach the uncovered areas. Boosters are now giving hope to the frustrated wireless users such as indoor users and those at the fringes of a cell site. These boosters are diverse in make, range, method of operation, deployment and cost. In this paper, a survey of various signal booster designs, deployment and performance is presented. It is hoped that this will serve as a one-stop shop for researchers and developers in the important field of wireless signal boosters and extenders, who wish to know what is available and existing challenges