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- W2109473876 abstract "This paper studies asymmetric power assignments for which the induced communication graph is a good spanner of the Euclidean graph, induced on the wireless nodes V, while the total energy is minimized. We propose two spanner models: distance and energy. We consider a random wireless ad-hoc network with |V| = n nodes distributed uniformly and independently in a unit square. For the first model, we propose an approximation algorithm, which constructs a power assignment so that the induced network is an O ((1 + alpha)(n-m)/m log n + alpha)-spanner of G <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>v</sub> with high probability, such that the total energy is at most betaldrm+2 times the optimum, for any alpha > 1, beta ges 1 + 2/(alpha-1), and any positive integer m les n in O(mn <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> ) time. For the second model, we develop a power assignment such that the resulting network is a 2-spanner with a total energy of at most O(log n) times the optimum in O(n <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sup> log n) time. We also analyze a power assignment developed and show it is a low cost good k-fault resistant spanner. To the best of our knowledge, these are the first provable theoretic results for low cost spanners in wireless ad-hoc networks." @default.
- W2109473876 created "2016-06-24" @default.
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- W2109473876 date "2009-04-01" @default.
- W2109473876 modified "2023-09-26" @default.
- W2109473876 title "Near Optimal Multicriteria Spanner Constructions in Wireless Ad-Hoc Networks" @default.
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- W2109473876 doi "https://doi.org/10.1109/infcom.2009.5061918" @default.
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