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» On Multiple Linear Approximations
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TWC
2008
143views more  TWC 2008»
15 years 6 months ago
Power-efficient wireless OFDMA using limited-rate feedback
Emerging applications involving low-cost wireless sensor networks motivate well optimization of multi-user orthogonal frequency-division multiple access (OFDMA) in the power-limite...
Antonio G. Marqués, Georgios B. Giannakis, ...
TSMC
2002
102views more  TSMC 2002»
15 years 6 months ago
Modeling and analysis of air campaign resource allocation: a spatio-temporal decomposition approach
In this paper, we address the modeling and analysis issues associated with a generic theater level campaign where two adversaries pit their military resources against each other ov...
Debasish Ghose, M. Krichman, Jason L. Speyer, Jeff...
PRL
2010
112views more  PRL 2010»
15 years 4 months ago
Reversible color-to-gray mapping using subband domain texturization
— The concept of reversible conversion of color images to gray ones has been recently introduced. Colors are mapped to textures and from the textures the receiver can recover the...
Ricardo L. de Queiroz
ERSA
2009
149views Hardware» more  ERSA 2009»
15 years 4 months ago
Hardware-Optimized Ziggurat Algorithm for High-Speed Gaussian Random Number Generators
Many scientific and engineering applications, which are increasingly being ported from software to reconfigurable platforms, require Gaussian-distributed random numbers. Thus, the...
Hassan Edrees, Brian Cheung, McCullen Sandora, Dav...
GLOBECOM
2009
IEEE
15 years 4 months ago
Downlink Distributed Beamforming through Relay Networks
Beamforming and relaying are two methods of improving wireless system performance. Until now, these techniques have been considered separately. In this paper, a single source (base...
Yi Zheng, Steven D. Blostein