A Centralized Multi-Agent DRL-Based Trajectory Control Strategy for Unmanned Aerial Vehicle-Enabled Wireless Communications

Autor: Getaneh Berie Tarekegn, Rong-Terng Juang, Belayneh Abebe Tesfaw, Hsin-Piao Lin, Huan-Chia Hsu, Robel Berie Tarekegn, Li-Chia Tai

Publikováno v: IEEE Open Journal of Vehicular Technology, Vol 5, Pp 1230-1241 (2024)

Unmanned aerial vehicles (UAVs) are becoming increasingly popular as mobile base stations due to their flexible deployment and low-cost features, particularly for emergency communications, traffic offloading, and terrestrial communications infrastruc

Externí odkaz: https://doaj.org/article/f6c6f453b9a9472d948d6389ffaa7b64

Optimizing the Deployment of an Aerial Base Station and the Phase-Shift of a Ground Reconfigurable Intelligent Surface for Wireless Communication Systems Using Deep Reinforcement Learning

Autor: Wendenda Nathanael Kabore, Rong-Terng Juang, Hsin-Piao Lin, Belayneh Abebe Tesfaw, Getaneh Berie Tarekegn

Publikováno v: Information, Vol 15, Iss 7, p 386 (2024)

In wireless networks, drone base stations (DBSs) offer significant benefits in terms of Quality of Service (QoS) improvement due to their line-of-sight (LoS) transmission capabilities and adaptability. However, LoS links can suffer degradation in com

Externí odkaz: https://doaj.org/article/9d0d3ee5a8f449849ea7fbe77704b911

Urinary neopterin reflects immunological variation associated with age, helminth parasitism, and the microbiome in a wild primate

Autor: India A. Schneider-Crease, Jacob A. Feder, Alice Baniel, Colleen McCann, Abebaw Azanaw Haile, Belayneh Abebe, Lauren Fitzgerald, Megan A. Gomery, Ruth A. Simberloff, Zack L. Petrie, Sarah Gabriel, Pierre Dorny, Peter J. Fashing, Nga Nguyen, Thore J. Bergman, Jacinta C. Beehner, Noah Snyder-Mackler, Amy Lu

Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)

Abstract Neopterin, a product of activated white blood cells, is a marker of nonspecific inflammation that can capture variation in immune investment or disease-related immune activity and can be collected noninvasively in urine. Mounting studies in

Externí odkaz: https://doaj.org/article/200c3e7526264188a03c5f9a2b151f57

The Activity and Ranging Patterns of Gelada Monkeys as Behavioral Responses to the Effects of Livestock Grazing in the Simien Mountains National Park, Ethiopia

Autor: Belayneh Abebe, Mezgebu Ashagrie, Eshetu Moges

Publikováno v: International Journal of Zoology, Vol 2022 (2022)

Understanding of behavioral ecology of primates in grazed lands is vital to their conservation and monitoring strategies. Here we investigated how livestock grazing within the Simien Mountains National Park affects the activity time budgeting and ran

Externí odkaz: https://doaj.org/article/2da630c7943d4e28af35915d21da89f3

Protocol for the evaluation of a complex intervention aiming at increased utilisation of primary child health services in Ethiopia: a before and after study in intervention and comparison areas.

Autor: Berhanu D; Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom.; Ethiopian Public Health Institute, P.O.Box 1242, Addis Ababa, Ethiopia., Okwaraji YB; Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom.; Ethiopian Public Health Institute, P.O.Box 1242, Addis Ababa, Ethiopia., Belayneh AB; Ethiopian Public Health Institute, P.O.Box 1242, Addis Ababa, Ethiopia., Lemango ET; International Institute for Primary Health Care-Ethiopia, Addis Ababa, Ethiopia., Agonafer N; PATH, Ethiopia Country Program Office, Addis Ababa, Ethiopia., Birhanu BG; UNICEF, Ethiopia Country Office, Addis Ababa, Ethiopia., Abera K; Save the Children, Ethiopia Country Office, Addis Ababa, Ethiopia., Betemariam W; Last 10 Kilometres, John Snow Institute, Addis Ababa, Ethiopia., Medhanyie AA; School of Public Health, College of Health Sciences, Mekelle University, Mekelle, Ethiopia., Abera M; Faculty of Public Health, Jimma University, Jimma, Ethiopia., Yitayal M; Department of Health Systems and Policy, Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia., Belay FW; Hawassa University, College of Medicine and Health Sciences, Hawassa, Ethiopia., Persson LÅ; Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom.; Ethiopian Public Health Institute, P.O.Box 1242, Addis Ababa, Ethiopia., Schellenberg J; Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom.

Publikováno v: BMC health services research [BMC Health Serv Res] 2020 Apr 21; Vol. 20 (1), pp. 339. Date of Electronic Publication: 2020 Apr 21.