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» An Investigation of Generalized Cases
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CSL
2000
Springer
15 years 10 months ago
Bounded Arithmetic and Descriptive Complexity
We study definability of languages in arithmetic and the free monoid by bounded versions of fixed-point and transitive-closure logics. In particular we give logical characterisat...
Achim Blumensath
TSP
2008
59views more  TSP 2008»
15 years 6 months ago
Optimization of Spatiotemporal Apertures in Channel Sounding
Abstract--In this paper, we investigate the impact of the spatiotemporal aperture of a channel sounding system equipped with antenna arrays at the transmitter and receiver on the a...
Troels Pedersen, Claus Pedersen, Xuefeng Yin, Bern...
TIT
2008
87views more  TIT 2008»
15 years 4 months ago
Maxwell Construction: The Hidden Bridge Between Iterative and Maximum a Posteriori Decoding
There is a fundamental relationship between belief propagation and maximum a posteriori decoding. A decoding algorithm, which we call the Maxwell decoder, is introduced and provide...
Cyril Measson, Andrea Montanari, Rüdiger L. U...
ICC
2007
IEEE
142views Communications» more  ICC 2007»
16 years 19 days ago
Generalized CRLB for DA and NDA Synchronization of UWB Signals with Clock Offset
—In this paper the Cramér-Rao lower bound (CRLB) of an ultra-wideband (UWB) pulse amplitude modulated (PAM) signal with time hopping (TH) code is derived for the practical case ...
Saeed Khalesehosseini, John Nielsen
ICCBR
2005
Springer
15 years 11 months ago
Learning Similarity Measures: A Formal View Based on a Generalized CBR Model
Abstract. Although similarity measures play a crucial role in CBR applications, clear methodologies for defining them have not been developed yet. One approach to simplify the de...
Armin Stahl