Periodic properties of user mobility and access-point popularity
Personal and Ubiquitous Computing
Mining behavioral groups in large wireless LANs
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
Discovering periodic patterns of nodal encounters in mobile networks
Pervasive and Mobile Computing
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We study the encounter patterns of mobile devices to understand the potential of mobile nodes as messengers in delay tolerant networks. Specifically, we examine the extensive network and encounter traces that reflect mobility of communication devices, using spectral analysis to unearth hidden repetitive patterns of them. We discover strong presence of periodic encounter patterns between mobile users, particularly weekly pattern. Our results also show different location visiting ratio by more than 10 percent between regularly encountering pairs and others at 77 percent of the locations.