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PODC
2009
ACM
14 years 8 months ago
Tight bounds for clock synchronization
d Abstract] Christoph Lenzen Computer Engineering and Networks Laboratory (TIK) ETH Zurich, 8092 Zurich, Switzerland lenzen@tik.ee.ethz.ch Thomas Locher Computer Engineering and N...
Christoph Lenzen, Thomas Locher, Roger Wattenhofer
ESA
2004
Springer
96views Algorithms» more  ESA 2004»
14 years 28 days ago
An Experimental Study of Random Knapsack Problems
The size of the Pareto curve for the bicriteria version of the knapsack problem is polynomial on average. This has been shown for various random input distributions. We experimenta...
René Beier, Berthold Vöcking
APPROX
2006
Springer
89views Algorithms» more  APPROX 2006»
13 years 11 months ago
Online Algorithms to Minimize Resource Reallocations and Network Communication
Abstract. In this paper, we consider two new online optimization problems (each with several variants), present similar online algorithms for both, and show that one reduces to the...
Sashka Davis, Jeff Edmonds, Russell Impagliazzo
PIMRC
2008
IEEE
14 years 1 months ago
Designing PSAM schemes: How optimal are SISO pilot parameters for spatially correlated SIMO?
Abstract-We study the design parameters of pilot-symbolassisted modulation (PSAM) schemes for spatially correlated single-input multiple-output (SIMO) systems in time-varying Gauss...
Xiangyun Zhou, Tharaka A. Lamahewa, Parastoo Sadeg...
GLOBECOM
2010
IEEE
13 years 5 months ago
Maximization of Data Gathering in Clustered Wireless Sensor Networks
In this paper, we investigate the maximization of the amount of gathered data in a clustered wireless sensor network (WSN). The amount of gathered data is maximized by (1) choosing...
Tianqi Wang, Wendi Rabiner Heinzelman, Alireza Sey...