174 search results - page 22 / 35 » Optimization of Periodic Channel Sensing by Secondary Users ... |
CORR
2010
Springer
13 years 7 months ago
2010
Springer
The problem of distributed learning and channel access is considered in a cognitive network with multiple secondary users. The availability statistics of the channels are initially...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--Proper admission control in cognitive radio networks is critical in providing QoS guarantees to secondary unlicensed users. In this paper, we study the admission control ...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper, we present a composite hypothesis testing approach for cooperative spectrum sensing. We derive the optimal likelihood ratio test (LRT) statistic based on the Neym...
SECON
2010
IEEE
13 years 5 months ago
2010
IEEE
Market mechanisms have been exploited as important means for spectrum acquisition and access in cognitive radio networks. In this paper, we propose a two-tier market for decentrali...
MSWIM
2009
ACM
14 years 9 days ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...