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176
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JSAC
2010
92views more  JSAC 2010»
15 years 5 months ago
Analysis of Nonlinear Transition Shift and Write Precompensation in Perpendicular Recording Systems
Abstract—In high density perpendicular magnetic recording channels, nonlinear transition shift (NLTS) is one of the distortions that can degrade the system performance. Write pre...
Zheng Wu, Paul H. Siegel, Jack K. Wolf, H. Neal Be...
194
Voted
ICASSP
2011
IEEE
14 years 10 months ago
A hybrid compressed sensing algorithm for sparse channel estimation in MIMO OFDM systems
Due to multipath delay spread and relatively high sampling rate in OFDM systems, the channel estimation is formulated as a sparse recovery problem, where a hybrid compressed sensi...
Chenhao Qi, Lenan Wu
239
Voted
CVPR
2009
IEEE
17 years 2 months ago
Cooperative Mapping of Multiple PTZ Cameras in Automated Surveillance Systems
Due to the capacity of pan-tilt-zoom (PTZ) cameras to simultaneously cover a panoramic area and maintain high resolution imagery, researches in automated surveillance systems wi...
Andreas Koschan, Anis Drira, Chung-Chen Chen, Mong...
217
Voted
PERCOM
2007
ACM
16 years 6 months ago
Middleware Support for Quality of Context in Pervasive Context-Aware Systems
Middleware support for pervasive context-aware systems relieves context-aware applications from dealing with the complexity of context-specific operations such as context acquisit...
Kamran Sheikh, Maarten Wegdam, Marten van Sinderen
185
Voted
VTC
2007
IEEE
16 years 1 months ago
Power Optimization of IDMA Systems with Different Target BER Constraints
— Interleave Division Multiple Access (IDMA) is a promising air interface for future wireless networks. Optimization of access schemes regarding cross user aspects is also a topi...
Petra Weitkemper, Karl-Dirk Kammeyer