16 search results - page 1 / 4 » Optimal Cognitive Access of Markovian Channels under Tight C... |
JSAC
2011
12 years 11 months ago
2011
Abstract—The problem of cognitive access of channels of primary users by a secondary user is considered. The transmissions of primary users are modeled as independent continuous-...
INFOCOM
2012
IEEE
11 years 7 months ago
2012
IEEE
Abstract—The problem of minimizing queueing delay of opportunistic access of multiple continuous time Markov channels is considered. A new access policy based on myopic sensing a...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
The problem of distributed multiuser medium access of a hierarchical cognitive radio network with multiple primary and secondary users is considered. Each primary user has a licen...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
A weighted sum-rate maximization problem is considered for an access point (AP) allocating resources to wireless cognitive radios (CRs) communicating using orthogonal frequency-di...
TON
2012
11 years 7 months ago
2012
—Cognitive Radio (CR) technology has great potential to alleviate spectrum scarcity in wireless communications. It allows secondary users (SUs) to opportunistically access spectr...