Papers
9
Total Citations
112
H-Index
5
About
Fikadu T. Dagefu is a wireless communications researcher whose work centers on low-VHF frequency systems, channel characterization, and robust networking for complex, non-line-of-sight environments. His research addresses a critical gap in the field: while most wireless communication systems operate at higher UHF frequencies, Dagefu has demonstrated that the lower portion of the VHF band offers superior signal penetration and reliability in cluttered indoor and urban settings. His foundational 2015 paper on short-range low-VHF channel characterization (46 citations) established key propagation models that have guided subsequent work in the field, while his 2017 study on low-power ad hoc networking (27 citations) showed practical pathways for deploying these systems among mobile agents. Dagefu has also pioneered the integration of low-VHF communications with robotics, exploring parasitic antenna arrays coordinated by ground robots to enhance signal strength and reliability. His 2021 survey on small, low-frequency antennas synthesizes design challenges relevant to emergency response, autonomous vehicles, and IoT applications. Spanning nearly a decade of contributions, Dagefu's body of work has meaningfully advanced the case for low-VHF systems as a viable foundation for next-generation resilient wireless networks.
Research Focus
Key Achievements
Top Papers
- 1Short-Range Low-VHF Channel Characterization in Cluttered Environments46 citations · 2015
- 2Low-Power Low-VHF Ad-Hoc Networking in Complex Environments27 citations · 2017
- 3
- 4Low Frequency Multi-Robot Networking8 citations · 2024
- 5Robotic Parasitic Array Optimization in Outdoor Environments8 citations · 2019
- 6
- 7
- 8Robotic Parasitic Array Control for Increased RSS in Non-Line-of-Sight2 citations · 2022
- 9