@article {min2018directional,
	title = {A directional antenna based leader{\textendash}follower relay system for end-to-end robot communications},
	journal = {Robotics and Autonomous Systems},
	volume = {101},
	year = {2018},
	pages = {57{\textendash}73},
	publisher = {North-Holland},
	author = {Min, Byung-Cheol and Parasuraman, Ramviyas and Lee, Sangjun and Jung, Jin-Woo and Matson, Eric T}
}
