Guymon, Daniel Wade2014-03-142014-03-142012-04-23etd-04252012-104213http://hdl.handle.net/10919/31919The research presented in this thesis covers two specific problems within the larger domain of cyber-physical algorithms for enhancing collaboration between one or more people. The two specific problems are 1) determining when people are going to arrive late to a meeting and 2) creating ad-hoc secure pairing protocols for short-range communication. The domain was broken down at opposite extremes in order to derive these problems to work on: 1) collaborations that are planned long in advance and deviations from the plan need to be detected and 2) collaborations that are not planned and need to be dynamically created and secured. Empirical results show the functionality and performance of user late arrival detection for planned collaborations and end-user authentication protocols for unplanned collaborations.In Copyrightcyber-physical systemsmobile computingsmartphonessecurityThesishttp://scholar.lib.vt.edu/theses/available/etd-04252012-104213/