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As the use of wireless sensor networks (WSNs) has grown enormously in the past few decades, the need of scalable & energy efficient routing and data aggregation protocol for large-scale deployments has also risen. LEACH is a hierarchical clustering protocol that provides an elegant solution for such protocols. One deficiency that affects the performance of the protocol is existence of very large...
We propose partial and full link reversal algorithms to bypass voids during geographic routing over duty-cycled wireless sensor networks. We propose a distributed approach that is oblivious to one-hop neighbor information. Upon termination of the algorithm, the resulting network is guaranteed to be destination-oriented. Further, to reduce the delays incurred under reactive link reversal, we propose...
Maximizing the lifetime of wireless sensor networks under constrained resources is an interesting problem that has gained increasing attention. Most methods assume an ideal link layer model when increasing the lifetime of wireless sensor networks and energy saving techniques using geographic routing remains largely unexplored. Based on a realistic link layer model, we propose a novel geographic routing...
Geographic routing has been proven to be efficient to provide scalable unicast routing in resource-constrained sensor networks. However, its applications in multicast routing remain largely unexplored. Recently GMR (Geographic Multicast Routing) and DCGM (Destination Clustering Geographic Multicast) have been proposed, which preserve the distributed computation of geographic routing while delivering...
Geographic routing has been proven to provide efficient and scalable unicast routing in resource-constrained sensor networks. However, its applications in multicast routing remain largely unexplored. In this paper, we propose the DCGM (destination clustering geographic multicast) routing protocol for wireless sensor networks. By clustering destinations that can share the same next hop, we iteratively...
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