31 search results - page 3 / 7 » Optimality of Myopic Sensing in Multi-Channel Opportunistic ... |
TSP
2008
13 years 4 months ago
2008
The problem of opportunistic access of parallel channels occupied by primary users is considered. Under a continuous-time Markov chain modeling of the channel occupancy by the prim...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
TSP
2012
12 years 11 days ago
2012
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...