221 search results - page 18 / 45 » Dynamic spectrum access in open spectrum wireless networks |
WCNC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
ICWN
2003
14 years 11 months ago
2003
— Most wireless systems receive a license that gives them exclusive access to a block of spectrum. Exclusivity guarantees adequate quality of service, but it also leads to inef...
BROADNETS
2007
IEEE
15 years 4 months ago
2007
IEEE
—We consider pricing secondary access to wireless spectrum in cellular CDMA networks. We study the case for a primary license holder interested in leasing the right of providing ...
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter m...
WCNC
2008
IEEE
15 years 4 months ago
2008
IEEE
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...