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177
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TWC
2008
15 years 6 months ago
2008
In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximiz...
152
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TWC
2008
15 years 6 months ago
2008
This paper addresses the following question, which is of interest in the design of a multiuser decentralized network. Given a total system bandwidth of W Hz and a fixed data rate c...
156
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AAMAS
2002
Springer
15 years 6 months ago
2002
Springer
The evolution of collaboration and communication in communities of individuals is a puzzling problem for a wide range of scientific disciplines, spanning from evolutionary theory ...
169
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CGF
2004
15 years 6 months ago
2004
Animation of viscoelastic solids in entertainment and medical applications as well as scientific simulation can be improved through observations of real world objects. This paper ...
176
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COMGEO
2004
ACM
15 years 6 months ago
2004
ACM
We present a novel hierarchical force-directed method for drawing large graphs. Given a graph G = (V,E), the algorithm produces an embedding for G in an Euclidean space E of any d...