2007 search results - page 86 / 402 » SPECTRUM |
78
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...
164
Voted
CORR
2011
Springer
14 years 7 months ago
2011
Springer
—The fundamental problem of multiple secondary users contending for opportunistic spectrum access over multiple channels in cognitive radio networks has been formulated recently ...
132
Voted
MOBISYS
2011
ACM
14 years 6 months ago
2011
ACM
We introduce a new technique for determining a mobile phone’s indoor location even when Wi-Fi infrastructure is unavailable or sparse. Our technique is based on a new ambient so...
116
Voted
ISMVL
2007
IEEE
15 years 10 months ago
2007
IEEE
This paper shows that particular classes of linear combinations of the coefficients of the circular Chrestenson-Vilenkin spectrum of ternary functions characterize whether cofacto...
100
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ISBI
2002
IEEE
15 years 8 months ago
2002
IEEE
This paper describes a statistical iterative reconstruction method for X-ray CT based on a physical model that accounts for the polyenergetic X-ray source spectrum and the measure...