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» Complexity of O'Hara's Algorithm
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GLOBECOM
2010
IEEE
15 years 5 months ago
Dynamic Channel Selection in Cognitive Radio Network with Channel Heterogeneity
We consider the channel selection problem in a cognitive radio network with heterogenous channel availabilities at different nodes. We formulate the maximum channel selection (MCS)...
Fen Hou, Jianwei Huang
ICCMS
2009
118views more  ICCMS 2009»
15 years 5 months ago
Optimized Parallel Implementation of Gillespie's First Reaction Method on Graphics Processing Units
The simulation of chemical reacting systems is one of the most challenging topics in Systems Biology, due to their complexity and inherent randomness. The Gillespie's Stochas...
Cristian Dittamo, Davide Cangelosi
SIAMCOMP
2010
97views more  SIAMCOMP 2010»
15 years 1 months ago
Lower Bounds for Randomized Consensus under a Weak Adversary
This paper studies the inherent trade-off between termination probability and total step complexity of randomized consensus algorithms. It shows that for every integer k, the prob...
Hagit Attiya, Keren Censor-Hillel
ICASSP
2011
IEEE
14 years 11 months ago
Simplified EM channel estimation in LTE systems
In this paper, an iterative channel estimation algorithm is considered in LTE systems. A simplified expectation maximization (EM) based algorithm is proposed for channel estimati...
Yang Liu, Serdar Sezginer
ICASSP
2011
IEEE
14 years 11 months ago
Cooperative mobile network localization via subspace tracking
Two novel cooperative localization algorithms for mobile wireless networks are proposed. To continuously localize the mobile network, given the pairwise distance measurements betw...
Hadi Jamali Rad, Alon Amar, Geert Leus