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Title: A priority-based multi-path routing protocol for sensor networks
Authors: LIU YUZHE
Keywords: Sensor networks, interest dissemination, gradient tagging information, multi-path routing, priority-based routing, network density
Issue Date: 26-Nov-2004
Citation: LIU YUZHE (2004-11-26). A priority-based multi-path routing protocol for sensor networks. ScholarBank@NUS Repository.
Abstract: In this thesis, a priority-based multi-path routing protocol (PRIMP) is proposed for sensor networks to offer extended network lifetime and robust network fault tolerance, under the contexts of stringent energy constraint and vulnerability of sensors to dynamic environmental conditions. A novel interest dissemination strategy which invokes on-demand virtual source technique is designed in PRIMP to minimize the communication overheads from all major sources of energy waste. While routing, data traffic are distributed over multiple braided data paths simultaneously by a priority-based probabilistic approach at each hop to achieve the robustness against the unreliable transmission due to frequent node failures. Extensive simulations validate that PRIMP exhibits significantly better performance in energy conservation, load-balancing and data delivery than other comparable schemes under various network densities. Moreover, PRIMP effectively addresses the slow startup problem that may occur in data-centric routing schemes.
Appears in Collections:Master's Theses (Open)

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