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GLOBECOM
2008
IEEE
15 years 7 months ago
Cooperative Spectrum Allocation in Centralized Cognitive Networks Using Bipartite Matching
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
Chengshi Zhao, Mingrui Zou, Bin Shen, Bumjung Kim,...
ICASSP
2010
IEEE
15 years 6 months ago
Voice quality evaluation of various codecs
In this paper a large amount of absolute mean opinion scores obtained within a single listening test are presented. Naïve listeners’ preference on different speech signal prope...
Anssi Rämö
CORR
2010
Springer
124views Education» more  CORR 2010»
15 years 6 months ago
Symmetry within and between solutions
Symmetry can be used to help solve many problems. For instance, Einstein's famous 1905 paper ("On the Electrodynamics of Moving Bodies") uses symmetry to help derive...
Toby Walsh
CORR
2010
Springer
51views Education» more  CORR 2010»
15 years 6 months ago
On ternary square-free circular words
Circular words are cyclically ordered finite sequences of letters. We give a computer-free proof of the following result by Currie: square-free circular words over the ternary alp...
Arseny M. Shur
DISOPT
2010
132views more  DISOPT 2010»
15 years 6 months ago
General approximation schemes for min-max (regret) versions of some (pseudo-)polynomial problems
While the complexity of min-max and min-max regret versions of most classical combinatorial optimization problems has been thoroughly investigated, there are very few studies abou...
Hassene Aissi, Cristina Bazgan, Daniel Vanderpoote...