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158
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
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...
125
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ICDE
2011
IEEE
14 years 8 months ago
2011
IEEE
—The booming industry of location-based services has accumulated a huge collection of users’ location trajectories of driving, cycling, hiking, etc. In this work, we investigat...
192
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FGR
2011
IEEE
14 years 8 months ago
2011
IEEE
—An expression can be approximated by a sequence of temporal segments called neutral, onset, offset and apex. However, it is not easy to accurately detect such temporal segments ...
166
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INFOCOM
2011
IEEE
14 years 8 months ago
2011
IEEE
—In a sensor network, an important problem is to provide privacy to the event detecting sensor node and integrity to the data gathered by the node. Compromised source privacy can...
238
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CRV
2011
IEEE
14 years 4 months ago
2011
IEEE
—We consider the problem of exploring an unknown environment with a pair of mobile robots. The goal is to make the robots meet (or rendezvous) in minimum time such that there is ...