CORR
2010
Springer
13 years 11 months ago
2010
Springer
Opportunistic relaying is a simple yet efficient cooperation scheme that achieves full diversity and preserves the spectral efficiency among the spatially distributed stations. How...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
CORR
2010
Springer
13 years 11 months ago
2010
Springer
Our work is a fundamental study of the notion of approximation in Q-categories and in (U, Q)-categories, for a quantale Q and the ultrafilter monad U. We introduce auxiliary, appro...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
We consider boolean circuits computing n-operators f : {0, 1}n {0, 1}n . As gates we allow arbitrary boolean functions; neither fanin nor fanout of gates is restricted. An operat...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
CORR
2010
Springer
13 years 11 months ago
2010
Springer
Protocol sequences are used in channel access for the multiple-access collision channel without feedback. A new construction of protocol sequences with a guarantee of worstcase sys...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
Abstract--This paper extends the "single crossing point" property of the scalar MMSE function, derived by Guo, Shamai and Verd
CORR
2010
Springer
2010
Springer
Understanding periodicity and regularity of nodal encounters in mobile networks: A spectral analysis
13 years 11 months ago
Abstract--Study on human mobility is gaining increasing attention from the research community with its multiple applications to use in mobile networks, particularly for the purpose...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
We show that it is Unique Games-hard to approximate the maximum of a submodular function to within a factor 0.695, and that it is Unique Games-hard to approximate the maximum of a ...
CORR
2010
Springer
13 years 11 months ago
2010
Springer