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TWC
2008
145views more  TWC 2008»
9 years 9 months ago
Generalized Window-Based PN Acquisition Scheme in CDMA Spread Spectrum Systems
In this letter, we propose a generalized version of the window-based pseudonoise (PN) acquisition scheme verifying one or more best hypotheses rather than the best one per search w...
Kwang Man Ok, Chung Gu Kang
INFOCOM
2009
IEEE
10 years 5 months ago
Coalitional Games for Distributed Collaborative Spectrum Sensing in Cognitive Radio Networks
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
Walid Saad, Zhu Han, Mérouane Debbah, Are H...
ICASSP
2009
IEEE
10 years 5 months ago
On the error exponents for detecting randomly sampled noisy diffusion processes
This paper deals with the detection of a continuous random process described by an Ornstein-Uhlenbeck (O-U) stochastic differential equation. Randomly spaced sensors or equivalent...
Walid Hachem, Eric Moulines, Jamal Najim, Fran&cce...
ICIP
1998
IEEE
11 years 3 days ago
Adaptive Restoration of Speckled SAR Images using a Compound Random Markov Field
This paper proposes a restoration scheme for noisy images generated by coherent imaging systems (e.g., synthetic aperture radar, synthetic aperture sonar, ultrasound imaging, and ...
José M. B. Dias, José M. N. Leit&ati...
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