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TSP
2010
13 years 3 months ago
Analog beamforming in MIMO communications with phase shift networks and online channel estimation
In multiple-input multiple-output (MIMO) systems, the use of many radio frequency (RF) and analog-to-digital converter (ADC) chains at the receiver is costly. Analog beamformers op...
Vijay Venkateswaran, Alle-Jan van der Veen
CDC
2009
IEEE
108views Control Systems» more  CDC 2009»
14 years 1 months ago
The parabigeminal nucleus as a recursive estimator
— The parabigeminal nucleus (PBN) is known to estimate the retinal position error (RPE) of an intended target. Recently it has been discovered that PBN activity continues to enco...
Rui Ma, Todd P. Coleman, Joseph G. Malpeli
FPGA
2006
ACM
139views FPGA» more  FPGA 2006»
14 years 10 days ago
Fast and accurate resource estimation of automatically generated custom DFT IP cores
This paper presents an equation-based resource utilization model for automatically generated discrete Fourier transform (DFT) soft core IPs. The parameterized DFT IP generator all...
Peter A. Milder, Mohammad Ahmad, James C. Hoe, Mar...
CVPR
2007
IEEE
14 years 10 months ago
Constrained Optimization for Retinal Curvature Estimation Using an Affine Camera
We study retinal curvature estimation from multiple images that provides the fundamental geometry of human retina. We use an affine camera model due to its simplicity, linearity, ...
Thitiporn Chanwimaluang, Guoliang Fan
OSDI
2008
ACM
14 years 9 months ago
Run-time Energy Consumption Estimation Based on Workload in Server Systems
This paper proposes to develop a system-wide energy consumption model for servers by making use of hardware performance counters and experimental measurements. We develop a real-t...
Adam Lewis, Soumik Ghosh, Nian-Feng Tzeng