405 search results - page 23 / 81 » Securing cognitive radio networks |
EJWCN
2010
13 years 3 months ago
2010
We formulate the problem of distributed throughput-efficient sensing in cognitive radio (CR) networks as a dynamic coalition formation game based on a Markovian model. The propose...
MOBICOM
2009
ACM
14 years 3 months ago
2009
ACM
We address the connectivity of large-scale ad hoc cognitive radio networks, where secondary users exploit channels temporarily and locally unused by primary users and the existenc...
ICASSP
2008
IEEE
14 years 3 months ago
2008
IEEE
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Recently, a cooperative paradigm for single-channel cognitive radio networks has been advocated, where primary users can leverage secondary users to relay their traffic. However, i...
JSAC
2011
13 years 3 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...