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  • Orbital controls on eastern African hydroclimate in the Pleistocene 
    Lupien, Rachel L; Russell, James M; Pearson, Emma J; Castañeda, Isla S; Asrat, Asfawossen; Foerster, Verena; Lamb, Henry F; Roberts, Helen M; Schäbitz, Frank; Trauth, Martin H; Beck, Catherine C; Feibel, Craig S; Cohen, Andrew S (Springer Nature Limited, 2022-02-24)
    Understanding eastern African paleoclimate is critical for contextualizing early human evolution, adaptation, and dispersal, yet Pleistocene climate of this region and its governing mechanisms remain poorly understood due ...
  • Age of the oldest known Homo sapiens from eastern Africa 
    Vidal, Celine M; Lane, Christine S; Asrat, Asfawossen; Barfod, Dan N; Mark, Darren F; Tomlinson, Emma L; Tadesse, Amdemichael Zafu; Yirgu, Gezahegn; Deino, Alan; Hutchison, William; Mounier, Aurélien; Oppenheimer, Clive (Springer Nature Limited, 2022-01-12)
    Efforts to date the oldest modern human fossils in eastern Africa, from Omo-Kibish1,2,3 and Herto4,5 in Ethiopia, have drawn on a variety of chronometric evidence, including 40Ar/39Ar ages of stratigraphically associated ...
  • Hydroclimate changes in eastern Africa over the past 200,000 years may have influenced early human dispersal 
    Schaebitz, Frank; Asrat, Asfawossen; Lamb, Henry F; Cohen, Andrew S; Foerster, Verena; Duesing, Walter; Kaboth-Bahr, Stefanie; Opitz, Stephan; Viehberg, Finn A; Vogelsang, Ralf; Dean, Jonathan; Leng, Melanie J; Junginger, Annett; Ramsey, Christopher Bronk; Chapot, Melissa S; Deino, Alan; Lane, Christine S; Roberts, Helen M; Vidal, Céline; Tiedemann, Ralph; Trauth, Martin H (Springer Nature Limited, 2021-06-14)
    Reconstructions of climatic and environmental conditions can contribute to current debates about the factors that influenced early human dispersal within and beyond Africa. Here we analyse a 200,000-year multi-proxy ...
  • Multiband reconfigurable antennas for 5G wireless and CubeSat applications: a review 
    Ramahatla, Kebonyethebe; Mosalaosi, Modisa; Yahya, Abid; Basutli, Bokamoso (IEEE, 2022-04-21)
    The rapid development of wireless technology has sparked interest in multi-band reconfigurable antennas as devices and satellites are innovating toward miniaturization. With limited space, reliable and efficient high bandwidth ...
  • Meteorological influence on eLoran accuracy 
    Lebekwe, Caspar K.; Zungeru, Adamu Murtala; Astin, Ivan (IEEE, 2021-12-14)
    Stringent accuracy requirements need to be met for eLoran deployment in marine navigation and harbour entrance and approach. A good accuracy model is therefore required to predict the positioning accuracy at the user’s ...
  • Blockchain-based distributive auction for relay-assisted secure communications 
    Khan, Amjad Saeed; Rahulamathavan, Yogachandran; Basutli, Bokamoso; Zheng, Gan; AsSadhan, Basil; Lambotharan, Sangarapillai (IEEE, 2019-08-02)
    Physical layer security (PLS) is considered as a promising technique to prevent information eavesdropping in wireless systems. In this context, cooperative relaying has emerged as a robust solution for achieving PLS due ...
  • Data compression algorithms for wireless sensor networks: a review and comparison 
    Ketshabetswe, Keleadile Lucia; Zungeru, Adamu Murtala; Mtengi, Bokani; Lebekwe, Caspar K.; Prabaharan, S.R.S. (IEEE, 2021-09-29)
    Energy consumption has risen to be a bottleneck in wireless sensor networks. This is caused by the challenges faced by these networks due to their tiny sensor nodes that have limited memory storage, small battery capacity, ...
  • Assessing repeatable accuracy potential of LoRa: a navigation approach 
    Lebekwe, Caspar K.; Kolobe, Lone; Sigweni, Boyce; Zungeru, Adamu Murtala (IEEE, 2022-04-29)
    Two main classes of radio navigation systems are satellite and ground-based systems. Examples of such systems are eLoran deployed as a terrestrial system, and BeiDou, Galileo, GPS and Quasi-Zenith Satellite System (QZSS) ...
  • LoRa network planning and deployment: a terrestrial navigation application 
    Kolobe, Lone; Lebekwe, Caspar K.; Sigweni, Boyce (IEEE, 2021-09-20)
    Long Range (LoRa) is a popular low power wide area network (LPWAN) technology which operates in the Industrial, Scientific and Medical (ISM) frequency band transmitting information over ranges in excess of 20 km and 5 km ...
  • Students’ perceptions of learning experiences from the final-year engineering project 
    Oladiran, Tunde M.; Uziak, Jacek; Tjiparuro, Zeundjua (World Institute for Engineering and Technology Education (WIETE), 2020)
    The final-year project (FYP), also known as a capstone course, is usually the principal course, where many learning experiences are realised and gained in an undergraduate engineering programme. Therefore, several exit ...
  • An innovative microwave-assisted one-step green synthetic approach of biowaste derived fluorescent carbon-dot invisible ink for currency anti-counterfeiting applications 
    Dinake, Pogisego; Phokedi, Gothatamang Norma; Mokgadi, Janes; Mokibe, Tumisang; Tlhako, Mogomotsi; Botlhomilwe, Mmamiki Ayanda; Kelebemang, Rosemary; Motswetla, Obakeng; Present, Bokang (World Scienti ̄c Publishing Company, 2022-04-21)
    The quest for the design and synthesis of carbon dots with anti-counterfeit properties that are derived via green, environmentally friendly and economical procedures is a continuous process. Carbon dots (C-dots) derived ...
  • Climate finance readiness: a review of institutional frameworks and policies in Kenya 
    Kiremu, Mercy; Scrimgeour, Frank; Mutegi, James; Mumo, Richard (Taylor & Francis group, 2022-02-12)
    A significant increase in low carbon investments is required to limit global warming to less than 2°C. For example, about USD 900 billion should be invested annually in the energy sector up to 2030 to meet this target. ...
  • Projection of extreme temperature events over the Mediterranean and Sahara using bias-corrected CMIP6 Models 
    Babaousmail, Hassen; Ayugi, Brian; Rajasekar, Adharsh; Zhu, Huanhuan; Oduro, Collins; Mumo, Richard; Ongoma, Victor (Multidisciplinary Digital Publishing Institute, 2022-05-06)
    Climate change continues to increase the intensity, frequency and impacts of weather and climate extremes. This work uses bias-adjusted Coupled Model Intercomparison Project Phase six (CMIP6) model datasets to investigate ...
  • East African population exposure to precipitation extremes under 1.5 °C and 2.0 °C warming levels based on CMIP6 models 
    Ayugi, Brian; Jiang, Zhihong; Iyakaremye, Vedaste; Ngoma, Hamida; Babaousmail, Hassen; Onyutha, Charles; Dike, Victor Nnamdi; Mumo, Richard; Ongoma, Victor (IOP Publishing Ltd, 2022-03-29)
    Understanding population exposure to precipitation-related extreme events is important for effective climate change adaptation and mitigation measures. We analyze extreme precipitation using indices (EPIs), including ...
  • The complete mitogenome of the fairy shrimp Streptocephalus cafer (Lovén, 1847) (Crustacea: Branchiopoda: Anostraca) from an ephemeral pond in Botswana, southern Africa 
    Tladi, Murphy; Dalu, Tatenda; Rogers, Christopher; Nyamukondiwa, Casper; Parbhu, Shilpa Pradeep; Teske, Peter; Emami-Khoyi, Arsalan; Wasserman, Ryan John (Taylor & Francis Group, 2020-01-14)
    Fairy shrimps (Anostraca) constitute an important component of seasonally aquatic habitats, but few complete mitochondrial genomes have been published for this group. Here, we report the mitoge nome of a common southern ...
  • Neuronal firing and DNA dynamics in a neural network 
    Etémé, Armand Sylvin; Tabi, Conrad Bertrand; Ateba, Jean Felix Beyala; Ekobena, Henri Paul Fouda; Mohamadou, Alidou; Kofane, Timoléon Crepin (IOP Publishing Ltd, 2018-12-18)
    We study the mutual effects of neuronal electrical activity and DNA dynamics in a network of electrically coupled neurons with nearest neighbors communication. For that we develop by means of the coupling function method, ...
  • Zinc oxide nanowire field effect transistor used as a pH sensor 
    Ditshego, Nonofo M.J. (International Journal of Electrical and Electronic Engineering & Telecommunications, 2022-03)
    An ion sensitive field effect transistor can outperform conventional ion-selective electrodes. Thus, a zinc oxide (ZnO) nanowire field effect transistor (NWFET) pH sensor was fabricated and measured. The sensor contained ...
  • The Topp Leone-G Power Series class of distributions with applications 
    Makubate, Boikanyo; Rannona, Kethamile; Oluyede, Broderick; Chipepa, Fastel (Pakistan Journal of Statistics and Operation Research, 2021-12)
    We present a new class of distributions called the Topp-Leone-G Power Series (TL-GPS) class of distributions. This model is obtained by compounding the Topp-Leone-G distribution with the power series distribution. Statistical ...
  • Effect of Cd precursor on structure and optical properties of spin coated Zn0:9Cd0:1O films for optoelectronics applications 
    Arora, Isha; Kumar, Praveen; Sathiaraj, T.Stephen (Sciendo, 2021-09-01)
    The development of transparent conducting oxide materials has gained an increased interest in the scientific community for developing efficient low cost optoelectronic devices. The effect of Cd precursor on structural and ...
  • Hierarchical multilevel optimization with multiple-leaders multiple-followers setting and nonseparable objectives 
    Zewde, Addis Belete; Kassa, Semu Mitiku (EDP Sciences, 2021-09-18)
    Hierarchical multilevel multi-leader multi-follower problems are non-cooperative decision problems in which multiple decision-makers of equal status in the upper-level and multiple decision makers of equal status are ...

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