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CVPR
2008
IEEE
14 years 1 months ago
A Loopy Belief Propagation approach for robust background estimation
Background estimation, i.e. automatic recovery of the background image from a sequence of images containing moving foreground objects, is an important module in many applications,...
Xun Xu, Thomas S. Huang
GLOBECOM
2008
IEEE
14 years 1 months ago
Low-Complexity Maximum Likelihood Detection of Orthogonal Space-Time Block Codes
Abstract— In this paper, we propose a low complexity Maximum Likelihood (ML) decoding algorithm for orthogonal spacetime block codes (OSTBCs) based on the real-valued lattice rep...
Luay Azzam, Ender Ayanoglu
PIMRC
2008
IEEE
14 years 1 months ago
Base-station and subcarrier assignment in two-cell OFDMA downlink under QoS fairness
Abstract— Consider the problem of base-station and subcarrier assignment on the downlink of a two-cell OFDMA system with adaptive modulation. The aim is to maximize a common data...
Ayman Alsawah, Inbar Fijalkow
VTC
2008
IEEE
113views Communications» more  VTC 2008»
14 years 1 months ago
Non-Linear UWB Receivers with MLSE Post-Detection
— A wireless body area network with an average throughput of 500 kbps is considered based on ultra-wideband (UWB) pulse position modulation. For a long battery autonomy ultra low...
Florian Troesch, Thomas Zasowski, Armin Wittneben
ICC
2007
IEEE
102views Communications» more  ICC 2007»
14 years 1 months ago
Frequency Domain Joint Estimation of Synchronization Parameter and Channel Impulse Response in Composite Radio Receiver
— In this paper, an innovative frequency domain joint estimation algorithm of synchronization parameter and channel impulse response (CIR) in Direct Sequence Code Division Multip...
Tianqi Wang, Cheng Li, Hsiao-Hwa Chen