43 search results - page 3 / 9 » Soft Sensing and Optimal Power Control for Cognitive Radio |
JSAC
2011
12 years 11 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
VTC
2010
IEEE
13 years 3 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
ICASSP
2008
IEEE
13 years 11 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-...
ICC
2009
IEEE
13 years 11 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...
ICUMT
2009
13 years 2 months ago
2009
Abstract-- We consider the problem of Spectrum Sensing in Cognitive Radio Networks. In our previous work we have developed DualCUSUM, a distributed algorithm for change detection a...