230 search results - page 41 / 46 » Spectrum Management in Cognitive Radio Networks |
WOWMOM
2005
ACM
14 years 1 months ago
2005
ACM
Recent advances in Software Defined Radio (SDR), wide band spectrum sensing, and environment aware real-time spectrum allocation [13, 10, 4] show promise of enabling the new para...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
— In this paper, we present an analytical model as well as a practical mechanism to detect denial of service (DoS) attacks on secondary users in dynamic spectrum access (DSA) net...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— Opportunistic spectrum access and adaptive power management are effective techniques to improve throughput, delay performance, and energy efficiency for wireless networks. In ...
WCNC
2008
IEEE
14 years 1 months 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.,...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...