332 search results - page 48 / 67 » Convexity, Duality and Effects |
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—1 In this paper, we consider an amplify-and-forward (AF) wireless relay system where multiple source nodes communicate with their corresponding destination nodes with the help o...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper discusses the issue of dynamic resource allocation (DRA) in the context of cognitive radio (CR) networks. We present a general framework adopting generalized transmitte...
WIMOB
2008
IEEE
14 years 2 months ago
2008
IEEE
—We consider the rate allocation problem for data aggregation in wireless sensor networks with two objectives: 1) maximizing the lifetime of a local aggregation cluster and, 2) a...
ECML
2007
Springer
14 years 2 months ago
2007
Springer
Given a binary classification task, a ranker sorts a set of instances from highest to lowest expectation that the instance is positive. We propose a lexicographic ranker, LexRank,...