Abstract
Mobile device users can utilize IEEE 802.11 WiFi networks to facilitate device-to-device local communications using applications like video streaming, P2P file sharing, network gaming, etc. The wireless access points in these networks are sometimes not accessible either due to weak signal strength or due to the constraint to support a limited number of users. So, the ad hoc modes of wireless interface cards can also be used to provide device-to-device connectivity. The objective of this work is to enable toggling between the two modes (infrastructure and ad hoc) of wireless interfaces of these devices, so as to opportunistically switch between these modes depending on the availability of an access point. This provides seamless connectivity within the network, without making any changes in the existing hardware or in the protocol stack. We have developed application-level scripts to enable this mode toggling feature in WiFi equipped scenarios having less dynamism. This toggling feature can also be used to implement application-level routing between two or more ad hoc network clusters via access points, so as to provide intermittent connectivity between them. The results obtained from our experimental testbed show that our scripts work well for toggling between the two modes, and data transfer gives satisfactory performance.
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Sewak, A., Mehrotra, P., Jha, B., Pandey, M., Gore, M.M. (2017). AdhocInfra Toggle: Opportunistic Auto-configuration of Wireless Interface for Maintaining Data Sessions in WiFi Networks. In: Puliafito, A., Bruneo, D., Distefano, S., Longo, F. (eds) Ad-hoc, Mobile, and Wireless Networks. ADHOC-NOW 2017. Lecture Notes in Computer Science(), vol 10517. Springer, Cham. https://doi.org/10.1007/978-3-319-67910-5_15
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DOI: https://doi.org/10.1007/978-3-319-67910-5_15
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