18 search results - page 1 / 4 » A novel framework for the characterization of dynamic spectr... |
PIMRC
2008
IEEE
13 years 12 months ago
2008
IEEE
MOBICOM
2009
ACM
13 years 12 months ago
2009
ACM
Establishing a control channel for medium access control is a challenging problem in multi-channel and dynamic spectrum access (DSA) networks. In the design of multi-channel MAC p...
CDC
2008
IEEE
13 years 12 months ago
2008
IEEE
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
TWC
2008
13 years 5 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
WIOPT
2010
IEEE
13 years 3 months ago
2010
IEEE
We consider the problem of providing opportunistic spectrum access to secondary users in wireless cellular networks. From the standpoint of spectrum license holders, achieving ben...