221 search results - page 18 / 45 » Dynamic spectrum access in open spectrum wireless networks |
160
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WCNC
2008
IEEE
16 years 13 days 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...
175
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ICWN
2003
15 years 7 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...
173
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BROADNETS
2007
IEEE
16 years 12 days 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 ...
163
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INFOCOM
2008
IEEE
16 years 14 days 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...
147
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WCNC
2008
IEEE
16 years 13 days 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.,...