22 search results - page 2 / 5 » Contract-Based Cooperative Spectrum Sharing |
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—Limited spectrum resources, inefficient spectrum usage and increasing wireless communication necessitates a paradigm shift from the current fixed spectrum management policy to...
TON
2010
13 years 9 hour ago
2010
The cognitive radio (CR) paradigm calls for open spectrum access according to a predetermined etiquette. Under this paradigm, CR nodes access the spectrum opportunistically by cont...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— The coexistence and resource sharing between a primary network utilizing cognitive relays and a secondary network are investigated. Two multiple access protocols are pr...
GLOBECOM
2008
IEEE
13 years 6 months ago
2008
IEEE
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Recent studies indicate the presence of a significant amount of idle licensed spectrum, in different time periods and geographic locations. Prompted by the latest regulatory ch...