A low cost omnidirectional relative localization sensor for swarm applications. - Anton Kohlbacher; Jens Eliasson; Kevin Acres; Hoam Chung; Jan Carlo Barca (WF-IoT, 2018)

Tetrahedra and Relative Directions in Space, Using 2 and 3-Space Simplexes for 3-Space Localization. - Kevin Acres; Jan Carlo Barca (CoRR, 2018)