Fikadu T. Dagefu

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 40

Top Topics

Direction Of Arrival

Outdoor Environments

Heterogeneous Networks

Top Venues

IEEE Trans. Veh. Technol.

Publications

Justin Kong, Terrence J. Moore, Fikadu T. Dagefu
Decentralized Covert Routing in Heterogeneous Networks Using Reinforcement Learning. CoRR (2024)
Justin Kong, Fikadu T. Dagefu, Jihun Choi, Rahul Aggarwal, Predrag Spasojevic
Covert Communication in Intelligent Reflecting Surface Assisted Networks With a Friendly Jammer. IEEE Trans. Veh. Technol. 73 (1) (2024)
Brian M. Sadler, Fikadu T. Dagefu, Jeffrey N. Twigg, Gunjan Verma, Predrag Spasojevic, Richard J. Kozick, Justin Kong
Low Frequency Multi-Robot Networking. IEEE Access 12 (2024)
Rahul Aggarwal, Justin Kong, Terrence J. Moore, Jihun Choi, Predrag Spasojevic, Fikadu T. Dagefu
Covert Communications with Simultaneous Multi-Modal Transmission. WISEC (2024)
Justin Kong, Fikadu T. Dagefu
Covert Communication with a Ginibre Field of Interferers. WCNC (2024)
Justin Kong, Fikadu T. Dagefu, Terrence J. Moore
Covert Routing in Heterogeneous Networks. IEEE Trans. Inf. Forensics Secur. 19 (2024)
Terrence J. Moore, Fikadu T. Dagefu, C. Hakan Arslan, Michael J. Weisman, Robert J. Drost
Range Estimation of an Ultraviolet Communication Source using a Mobile Sensor. WCNC (2023)
Chryssalenia Koumpouzi, Fikadu T. Dagefu, Jihun Choi, Justin Kong, Predrag Spasojevic
Exploiting Polarization Diversity to Improve Cyclostationary-Based LPD Properties of CDMA. IEEE Wirel. Commun. Lett. 12 (1) (2023)
Mitchell J. Grabner, Fikadu T. Dagefu, Jeffrey N. Twigg, Babak Azimi-Sadjadi, Brian M. Sadler
Calibration of Multi-Robot Coherent Beamforming. ICMCIS (2023)
C. Hakan Arslan, Fikadu T. Dagefu, Jeffrey N. Twigg, Terrence J. Moore
Non-Line-Of-Sight Ranging via Ultraviolet Signals. ICMCIS (2023)
Jihun Choi, Fikadu T. Dagefu
A Compact Three-Port Antenna With Enhanced Inter-Port Isolation for Polarization and Pattern Diversity. IEEE Access 11 (2023)
Justin Kong, Fikadu T. Dagefu, Jihun Choi, Predrag Spasojevic, Chryssalenia Koumpouzi
Covert Communications in Low-VHF/Microwave Heterogeneous Networks. WCNC (2022)
Jeffrey N. Twigg, Fikadu T. Dagefu, Nikhil Chopra, Brian M. Sadler
Robotic Parasitic Array Control for Increased RSS in Non-Line-of-Sight. IEEE Robotics Autom. Lett. 7 (4) (2022)
Kushal Chakrabarti, Amrit S. Bedi, Fikadu T. Dagefu, Jeffrey N. Twigg, Nikhil Chopra
Fast Distributed Beamforming without Receiver Feedback. IEEECONF (2022)
Chryssalenia Koumpouzi, Predrag Spasojevic, Fikadu T. Dagefu
Improved LPD Characteristics for QS-DS-CDMA Employing Randomization Techniques. IEEE Trans. Inf. Forensics Secur. 16 (2021)
Justin Kong, Fikadu T. Dagefu, Brian M. Sadler
Multi-Group Distributed Nullforming and Sectorized Jamming. IEEE Trans. Veh. Technol. 70 (9) (2021)
Chryssalenia Koumpouzi, Fikadu T. Dagefu, Justin Kong, Predrag Spasojevic
On the Analytical Communication Performance of LPD QS-CDMA with Reduced Cyclostationary Characteristics. ACSCC (2021)
Justin Kong, Fikadu T. Dagefu, Jihun Choi, Predrag Spasojevic
Intelligent Reflecting Surface Assisted Covert Communication With Transmission Probability Optimization. IEEE Wirel. Commun. Lett. 10 (8) (2021)
Justin Kong, Fikadu T. Dagefu, Brian M. Sadler
Distributed Beamforming in the Presence of Adversaries. IEEE Trans. Veh. Technol. 69 (9) (2020)
Justin Kong, Fikadu T. Dagefu, Brian M. Sadler
Coverage Analysis of Distributed Beamforming With Random Phase Offsets Using Ginibre Point Process. IEEE Access 8 (2020)
Justin Kong, Fikadu T. Dagefu, Brian M. Sadler
Performance Analysis of Distributed Beamforming With Random Phase Offsets. WCNC (2020)
Richard J. Kozick, Fikadu T. Dagefu, Brian M. Sadler
Two-Element Biomimetic Antenna Array Design and Performance. ICASSP (2020)
Justin Kong, Fikadu T. Dagefu, Brian M. Sadler
Simultaneous Beamforming and Nullforming for Covert Wireless Communications. VTC Spring (2020)
Justin Kong, Fikadu T. Dagefu, Brian M. Sadler
Distributed Adaptive Beamforming and Nullforming for Covert Wireless Communications. VTC Fall (2019)
Chryssalenia Koumpouzi, Predrag Spasojevic, Fikadu T. Dagefu
Performance Analysis of Signal Pattern Reducing Techniques for Low Probability of Detection. VTC Fall (2019)
Fikadu T. Dagefu, Jeffrey N. Twigg, Chirag Rao, Brian M. Sadler
Directional Communication Enabled by Mobile Parasitic Elements. ICMCIS (2019)
C. Hakan Arslan, Fikadu T. Dagefu, Michael J. Weisman, Robert J. Drost
Channel Model Validation for and Extensions of an Ultraviolet Networking Optimization Framework. VTC Fall (2019)
Jeffrey N. Twigg, Fikadu T. Dagefu, Nikhil Chopra, Brian M. Sadler
Robotic Parasitic Array Optimization in Outdoor Environments. SSRR (2019)
Jihun Choi, Chirag Rao, Fikadu T. Dagefu
Real-Time Digital Video Streaming at Low-VHF for Compact Autonomous Agents in Complex Scenes. VTC Spring (2019)
Chryssalenia Koumpouzi, Predrag Spasojevic, Fikadu T. Dagefu
Low Probability of Detection QS-MC-DS-CDMA for Low VHF. ICMCIS (2019)
Robert J. Drost, Michael J. Weisman, Fikadu T. Dagefu, C. Hakan Arslan
A Low-Complexity Approach to UV Communication Channel Model Evaluation. ICMCIS (2019)
Zongwen Tang, Predrag Spasojevic, Chryssalenia Koumpouzi, Fikadu T. Dagefu
Simultaneous Synchronization and Detection in Loosely Synchronized Tiny Packet Networks. Sarnoff Symposium (2019)
Miguel Calvo-Fullana, Fikadu T. Dagefu, Brian M. Sadler, Alejandro Ribeiro
Multi-mode Autonomous Communication Systems. ACSSC (2019)
Chirag Rao, Fikadu T. Dagefu, Gunjan Verma, Predrag Spasojevic, Brian M. Sadler
Scalable Sporadic Medium Access for Complex Propagation Environments. PIMRC (2018)
Gunjan Verma, Fikadu T. Dagefu, Brian M. Sadler, Jeffrey N. Twigg, Jonathan Fink
DOA Estimation for Autonomous Systems in Complex Propagation Environments. SPAWC (2018)
Gunjan Verma, Fikadu T. Dagefu, Brian M. Sadler, Jeffrey N. Twigg
Direction of Arrival Estimation With the Received Signal Strength Gradient. IEEE Trans. Veh. Technol. 67 (11) (2018)
Fikadu T. Dagefu, Gunjan Verma, Predrag Spasojevic, Brian M. Sadler
An experimental study of quasi-synchronous multiuser communications in cluttered scenarios at low VHF. ICMCIS (2017)
Fikadu T. Dagefu, Predrag Spasojevic, Gunjan Verma, Brian M. Sadler
The effect of inter-user delay and channel phase response on MC-CDMA using WBE codes with application to lower VHF. ACSSC (2017)
Jihun Choi, Fikadu T. Dagefu, Brian M. Sadler, Kamal Sarabandi
Low-Power Low-VHF Ad-Hoc Networking in Complex Environments. IEEE Access 5 (2017)
Gunjan Verma, Fikadu T. Dagefu, Brian M. Sadler, Predrag Spasojevic
Implications of time/frequency synchronization tradeoff of quasi-synchronous multi-carrier DS-CDMA for robust communications at lower VHF. MILCOM (2016)
Fikadu T. Dagefu, Gunjan Verma, Chirag Rao, Paul L. Yu, Brian M. Sadler, Kamal Sarabandi
Measurement and characterization of the short-range low-VHF channel. WCNC (2015)
Fikadu T. Dagefu, Kamal Sarabandi
High-Resolution Subsurface Imaging of Deeply Submerged Targets Based on Distributed Near-Ground Sensors. IEEE Trans. Geosci. Remote. Sens. 52 (2) (2014)
Fikadu T. Dagefu, Kamal Sarabandi
A 3D subsurface imaging technique based on distributed near-ground sensors: Investigation using scale model measurements. IGARSS (2011)
Fikadu T. Dagefu, Kamal Sarabandi
Soil dielectric and senisitivity analysis for subsurface imaging applications based on distributed Sensor Networks. IGARSS (2010)
Fikadu T. Dagefu, Kamal Sarabandi
High Resolution Subsurface Imaging of Deep Targets based on Distributed Sensor Networks. IGARSS (2) (2009)