175 search results - page 11 / 35 » Adaptive spectrum sensing for agile cognitive radios |
CISS
2010
IEEE
12 years 11 months ago
2010
IEEE
—This paper addresses optimal spectrum sensing in cognitive radio networks considering its system level cost that accounts for the local processing cost of sensing (sample collec...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
There are many key problems of decision making related to spectrum occupancies in cognitive radio networks. It is known that there exist correlations of spectrum occupancies in tim...
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...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE