Liang Ze Wong

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We consider the distributed allocation of spectrum in a heterogeneous wireless network. We model this as a non-cooperative game, where multiple players decide which channels to transmit on. When co-channel interference between players is symmetric and channel utilities are additive, we define a generalized ordinal potential function for the game which is(More)
Sensor networks are increasingly being used to provide timely information about the physical, urban and human environment. Algorithms that depend on sensor data often assume that the readings are complete. However, node failures or communication breakdowns result in missing data entries, preventing the use of such algorithms. To impute these missing values,(More)
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