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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...
An autonomous iteration-based approach is proposed to identify faulty links for LEO satellite systems employing intersatellite links (ISLpsilas). A designed network satellite with management responsibilities collects the routing information of communication itself with other satellites, based on which a fault diagnosis model is introduced. Then the most likely faulty link is identified by using an...
An autonomous diagnosis approach of faulty links is proposed in this paper,. Given the information by which paths a designated network node with management responsibilities can communicate with certain other nodes, and can't communicate with another set of node, with the help of building diagnosis model and computing probability of link's failure the node with management responsibilities would like...
Currently, a lot of studies on network fault management have focused on the terrestrial network, which appears to not easily be applied to satellite networks. An autonomous iteration-based algorithm is proposed to identify faulty links for LEO satellite systems employing intersatellite links (ISL's). A designed network satellite with management responsibilities collects the routing information of...
In recent years, for LEO satellite systems employing inter satellite links (ISL'S), some ATM-based routing algorithms have been developed, but the performance of these ATM-based routing algorithms depends heavily on the optimality of the initial path establishment, so robustness is not as good as expected. This paper proposes a robust ATM-based routing algorithm. A source satellite can communicate...
Energy efficiency is one of the most critical issues in wireless sensor networks, because sensor nodes are usually powered by batteries and their energy is extremely limited. To reduce the energy consumption, anchor-based geographic routing aims at finding a small number of intermediate nodes acting as anchors so that the path length (i.e., number of hops) between the source and destination can be...
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