174 search results - page 3 / 35 » Optimization of Periodic Channel Sensing by Secondary Users ... |
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...
SIGCOMM
2010
ACM
13 years 5 months ago
2010
ACM
We describe an opportunistic channel access scheme for cognitive radio-enabled secondary nodes (SNs). The proposed scheme uses the residual channel idle time distribution to estim...
PIMRC
2010
IEEE
13 years 2 months ago
2010
IEEE
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...
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...