CORR
2010
Springer
13 years 7 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 7 months ago
2010
Springer
CORR
2010
Springer
13 years 7 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 7 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 7 months ago
2010
Springer
CORR
2010
Springer
13 years 7 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 7 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
2007
Springer
13 years 7 months ago
2007
Springer
7 Irregular pyramids are made of a stack of successively reduced graphs embedded in the plane. Such pyramids are used within the segmentation framework to encode a hierarchy of pa...
CORR
2010
Springer
2010
Springer
Understanding periodicity and regularity of nodal encounters in mobile networks: A spectral analysis
13 years 7 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 7 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 ...