221 search results - page 12 / 45 » Dynamic spectrum access in open spectrum wireless networks |
COCOON
2008
Springer
14 years 11 months ago
2008
Springer
In this paper, we study the spectrum assignment problem for wireless access networks. Opportunistic spectrum usage is a promising technology. However, it could suffer from the self...
WCNC
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
SECON
2010
IEEE
14 years 7 months ago
2010
IEEE
70
Voted
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
PIMRC
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--Dynamic spectrum access (DSA) supporting opportunistic transmission without extra spectrum bandwidth is attractive for future wireless communication. To facilitate such D...