169 search results - page 8 / 34 » Opportunistic spectrum access for mobile cognitive radios |
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper, we model and analyze the interactions between secondary users in a spectrum overlay cognitive system as a cognitive MAC game. In this game, each secondary user ca...
TON
2012
11 years 10 months ago
2012
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—Cognitive radio is a key enabling technology of dynamic spectrum access for exploiting unused spectrum resources. This article focuses on modeling the opportunity for ce...
JSAC
2011
13 years 2 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
Abstract--By using cognitive radio technology, opportunistic spectrum access has the potential to solve the underused spectrum problem. In this paper, we employ class-based call ad...