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ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
—Adaptive Turbo frequency-domain channel estimation is investigated for single-carrier (SC) multi-user detection in the presence of unknown co-channel interference (CCI). We prop...
ISCAS
2006
IEEE
14 years 4 months ago
2006
IEEE
- The novel CORDIC-based architecture of the these weights (combiner unit). The implementation of the Triangular Systolic Array for QRD of large size complex combiner unit is rathe...
IFIP
2004
Springer
14 years 3 months ago
2004
Springer
In this paper we study the complexity of the model-checking problem for the tree logic introduced as the basis for the query language TQL [Cardelli and Ghelli, 2001]. We define tw...
TIME
2003
IEEE
14 years 3 months ago
2003
IEEE
We investigate expressivity and complexity of hybrid logics on linear structures. Hybrid logics are an enrichment of modal logics with certain first-order features which are algo...
ICISC
2007
13 years 12 months ago
2007
This paper reports on an improvement of Matsui’s linear cryptanalysis that reduces the complexity of an attack with algorithm 2, by taking advantage of the Fast Fourier Transform...