943 search results - page 176 / 189 » Compressed channel sensing |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We consider the task of under-determined reverberant audio source separation. We model the contribution of each source to all mixture channels in the time-frequency domain as a ze...
IPPS
2006
IEEE
14 years 1 months ago
2006
IEEE
Selective forwarding attacks may corrupt some missioncritical applications such as military surveillance and forest fire monitoring. In these attacks, malicious nodes behave like...
CSCW
2012
ACM
12 years 3 months ago
2012
ACM
We present a tablet-based system to collaboratively track discussion topics and ideas in a seminar-style discussion classroom. Each student uses his or her own tablet to share tex...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
Abstract—Relational database management systems are general in the sense that they can handle arbitrary schemas, queries, and modifications; this generality is implemented using...