232 search results - page 15 / 47 » A Secondary Market for Spectrum |
MOBIHOC
2009
ACM
15 years 10 months ago
2009
ACM
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...
87
Voted
JSAC
2011
14 years 4 months ago
2011
—Various spectrum management schemes have been proposed in recent years to improve the spectrum utilization in cognitive radio networks. However, few of them have considered the ...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
— Sharing of the frequency spectrum between licensed primary users and unlicensed secondary users (SUs) requires reliable detection of spectrum occupancy by the SUs. Due to fadin...
73
Voted
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
92
Voted
GLOBECOM
2008
IEEE
15 years 4 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...