CCECE
2006
IEEE
13 years 10 months ago
2006
IEEE
Blind modulation classification (MC) is an intermediate step between signal detection and demodulation, with both military and civilian applications. MC is a challenging task, esp...
ANSS
2006
IEEE
13 years 10 months ago
2006
IEEE
— Computer simulations of complex systems such as physical aggregation processes or swarming and collective behaviour of life-forms, often require order N-squared computational c...
STACS
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. We give a characterization, in terms of computational complexity, of the family Rec1 of the unary picture languages that are tiling recognizable. We introduce quasi-unary...
MFCS
2007
Springer
13 years 10 months ago
2007
Springer
We resolve the computational complexity of determining the treelength of a graph, thereby solving an open problem of Dourisboure and Gavoille, who introduced this parameter, and a...
ATAL
2007
Springer
13 years 11 months ago
2007
Springer
We develop a model of normative systems in which agents are assumed to have multiple goals of increasing priority, and investigate the computational complexity and game theoretic ...
VTC
2007
IEEE
13 years 11 months ago
2007
IEEE
—To approximate the exact peaks of continuous-time orthogonal frequency division multiplexing (OFDM) signals, four times oversampling is usually employed for discrete-time OFDM s...
ICRA
2007
IEEE
13 years 11 months ago
2007
IEEE
— This paper presents two methods able to exploit the information at the loop closure in the SLAM problem. Both methods have three fundamental advantages. The first one is that ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—In this paper, the joint source and channel coding for progressive image transmission over channels with varying SNR is considered. Since the feedback of channel status informat...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
—When the maximum number of best candidates retained at each tree search level of the K-Best Sphere Detection (SD) is kept low for the sake of maintaining a low memory requiremen...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
—Orthogonal frequency division multiplexing (OFDM) signals have a problem with high peak-to-average power ratio (PAPR). A distortionless selective mapping (SLM) has been proposed...