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Scatternet
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==Research== Several papers exist that propose algorithms for scatternet formation,<ref>[http://www.ece.neu.edu/wineslab/papers/jsac_bluetooth.pdf F. Cuomo, T. Melodia, I. F. Akyildiz, "Distributed self-healing and variable topology optimization algorithms for QoS provisioning in scatternets," IEEE JSAC Special Issue on Quality of Service Delivery in Variable Topology Networks, Sept. 2004, Vol. 22, Issue 7, pp. 1220-1236.]</ref> and many different approaches have been simulated in both academic and corporate R&D environments. Some early experiments with large scatternets can be found at [[ETH Zurich]]<ref>[http://www.btnode.ethz.ch/projects/projects_index.html ETH Zurich]</ref> in the BTnode project.<ref>[http://www.btnode.ethz.ch BTnode project.]</ref> In 2008, a student at [[University College Cork]], [[Ireland]], developed a scatternet-based application in the [[Java programming language]], using the [[JSR-82]] library.<ref>B. Donegan, D. Doolan, S. Tabirca "Mobile Message Passing using a Scatternet Framework", International Journal of Communications & Control, May 2007, Vol. 3, Issue 1, pp. 51-60, http://www.journal.univagora.ro/?page=article_details&id=106</ref> This application's main purpose is to facilitate parallel computations over [[Bluetooth]] scatternets, using an [[Message Passing Interface|MPI]]-style message passing paradigm. Although it only runs on the emulation environment provided by [[Sun Java Wireless Toolkit|Sun's Wireless Toolkit]], it is capable of creating a scatternet of up to 15 devices and routing a message through the network. In 2006, a student at the [[University of Technology, Iraq]], developed an on-demand peer-to-peer scatternet routing algorithm and protocol,<ref>I. Ibraheem, "Development of Routing Algorithm Based on Bluetooth Technology", University of Technology, Iraq, December 2006, http://uotechnology.edu.iq/ce/thesis/thesisMsc2006/Ibrahim%20Abdul%20Mutalib%20Ibrahim%202007.pdf, http://www.uotiq.org/, http://www.iraqicci.org/library/softwareengineeringmaster.htm</ref> with [[Java ME]] application based on JSR-82 library. This application was tested successfully on several real life Java-enabled mobile phones, and is capable of building large scatternets, but its only practical when routes are less than 3 nodes long due to Bluetooth's speed.
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