137 search results - page 3 / 28 » Enforcing dynamic spectrum access with spectrum permits |
VTC
2008
IEEE
14 years 5 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...
MOBIHOC
2009
ACM
14 years 11 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...
JSAC
2008
13 years 10 months ago
2008
Dynamic spectrum access is a promising technique to use spectrum efficiently. Without being restricted to any prefixed spectrum bands, nodes choose operating spectrum ondemand. Suc...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
WCNC
2010
IEEE
13 years 9 months ago
2010
IEEE
—Dynamic spectrum access (DSA) aims to improve spectrum efficiency via spectrum sensing and optimal spectrum access. An essential component in DSA is the joint design of sensing...