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» Discrete Optimization via Simulation Using COMPASS
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TWC
2008
146views more  TWC 2008»
13 years 9 months ago
Synchronization, Channel Estimation, and Equalization in MB-OFDM Systems
Abstract-- This paper addresses preamble-based low complexity synchronization, channel estimation and equalization for Zero-padded (ZP) MB-OFDM based UWB systems. The proposed sync...
Yinghui Li, Hlaing Minn, R. M. A. Rajatheva
ICIP
1999
IEEE
14 years 2 months ago
Wavelet-Domain Regularized Deconvolution for ILL-Conditioned Systems
by 0. In the discrete Fourier transform (DFT) domain, We propose a hybrid approach to wavelet-based image deconvolution that comprises Fourier-domain system inversion followed by w...
Ramesh Neelamani, Hyeokho Choi, Richard G. Baraniu...
ICC
2007
IEEE
245views Communications» more  ICC 2007»
14 years 4 months ago
Low Complexity MMSE Vector Precoding Using Lattice Reduction for MIMO Systems
—In this paper, a lattice-reduction-aided (LRA) With such an approximation, the complexity of VP is greatly minimum mean square error (MMSE) vector precoding (VP) is reduced. pro...
Feng Liu, Ling-ge Jiang, Chen He
FAST
2011
13 years 1 months ago
Cost Effective Storage using Extent Based Dynamic Tiering
Multi-tier systems that combine SSDs with SAS/FC and/or SATA disks mitigate the capital cost burden of SSDs, while benefiting from their superior I/O performance per unit cost an...
Jorge Guerra, Himabindu Pucha, Joseph S. Glider, W...
DGCI
2008
Springer
13 years 11 months ago
Selection of Local Thresholds for Tomogram Segmentation by Projection Distance Minimization
Abstract. Segmentation is an important step to obtain quantitative information from tomographic data sets. To this end, global thresholding is often used in practice. However, it i...
Kees Joost Batenburg, Jan Sijbers