193 search results - page 5 / 39 » Addressing the Dynamic Range Problem in Cognitive Radios |
ICUIMC
2011
ACM
13 years 13 days ago
2011
ACM
Efficient and fair resource allocation associated with congestion control in multi-hop cognitive radio networks (CRN) is a challenging problem. In this paper, we consider their mu...
MOBICOM
2009
ACM
14 years 3 months ago
2009
ACM
In November 2008, the FCC ruled that the digital TV whitespaces be used for unlicensed access. This is an exciting development because DTV whitespaces are in the low frequency ran...
SECON
2010
IEEE
13 years 6 months ago
2010
IEEE
Nodes in a cognitive radio mesh network may select from a set of available channels to use provided they do not interfere with primary users. This ability can improve overall netwo...
ICC
2009
IEEE
14 years 3 months ago
2009
IEEE
— Spectrum sensing, which monitors the spectrum activity, is studied for cognitive radio systems using multiple frequency bands with non-negligible band switching time (blind per...
IJACTAICIT
2010
13 years 6 months ago
2010
In recent past, cognitive radio has come out to as a promising solution to the spectrum scarcity problem. It tends to increase the spectrum utilization by making use of underutili...