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PODS
1999
ACM
89views Database» more  PODS 1999»
15 years 8 months ago
Type Inference in the Polymorphic Relational Algebra
We give a polymorphic account of the relational algebra. We introduce a formalism of \type formulas" speci cally tuned for relational algebra expressions, and present an algo...
Jan Van den Bussche, Emmanuel Waller
CORR
2008
Springer
87views Education» more  CORR 2008»
15 years 4 months ago
A multivariate generalization of Costa's entropy power inequality
A simple multivariate version of Costa's entropy power inequality is proved. In particular, it is shown that if independent white Gaussian noise is added to an arbitrary multi...
Miquel Payaró, Daniel Pérez Palomar
CORR
2011
Springer
169views Education» more  CORR 2011»
14 years 11 months ago
Power Allocation Based on SEP Minimization in Two-Hop Decode-and-Forward Relay Networks
—The problem of optimal power allocation among the relays in a two-hop decode-and-forward cooperative relay network with independent Rayleigh fading channels is considered. It is...
Arash Khabbazibasmenj, Sergiy A. Vorobyov
DATE
2010
IEEE
171views Hardware» more  DATE 2010»
15 years 9 months ago
Power consumption of logic circuits in ambipolar carbon nanotube technology
Ambipolar devices have been reported in many technologies, including carbon nanotube field effect transistors (CNTFETs). The ambipolarity can be in-field controlled with a secon...
M. Haykel Ben Jamaa, Kartik Mohanram, Giovanni De ...
TSP
2008
83views more  TSP 2008»
15 years 4 months ago
Bit and Power Allocation for Goodput Optimization in Coded Parallel Subchannels With ARQ
Abstract--This paper addresses the problem of adaptively allocating the bits and the power among a set of parallel subchannels. A frame-oriented transmission with convolutional cod...
B. Devillers, Jérôme Louveaux, Luc Va...