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» Merging the Results of Approximate Match Operations
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GLOBECOM
2010
IEEE
13 years 3 months ago
Carrier Frequency Offset Estimation for Uplink OFDMA Using Partial FFT Demodulation
Fast and accurate Carrier Frequency Offset (CFO) estimation is a problem of significance in many multi-carrier modulation based systems, especially in uplink Orthogonal Frequency D...
Srinivas Yerramalli, Milica Stojanovic, Urbashi Mi...
VLDB
2003
ACM
147views Database» more  VLDB 2003»
14 years 5 months ago
RE-tree: an efficient index structure for regular expressions
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...
Chee Yong Chan, Minos N. Garofalakis, Rajeev Rasto...
ICASSP
2009
IEEE
14 years 6 days ago
Compressive sensing for sparsely excited speech signals
Compressive sensing (CS) has been proposed for signals with sparsity in a linear transform domain. We explore a signal dependent unknown linear transform, namely the impulse respo...
Thippur V. Sreenivas, W. Bastiaan Kleijn
DAC
1998
ACM
14 years 6 months ago
Phase Noise in Oscillators: A Unifying Theory and Numerical Methods for Characterisation
Phase noise is a topic of theoretical and practical interest in electronic circuits, as well as in other fields such as optics. Although progress has been made in understanding th...
Alper Demir, Amit Mehrotra, Jaijeet S. Roychowdhur...
SIGGRAPH
1995
ACM
13 years 9 months ago
Polygon-assisted JPEG and MPEG compression of synthetic images
Recent advances in realtime image compression and decompression hardware make it possible for a high-performance graphics engine to operate as a rendering server in a networked en...
Marc Levoy