629 search results - page 17 / 126 » Design of a Medium Access Control Protocol for Dynamic Spect... |
MASCOTS
2004
13 years 9 months ago
2004
In this paper, a modified version of the IEEE 802.11a protocol is proposed and evaluated. We combine MultiCarrier Code Division Multiple Access (MC-CDMA), a novel, high capacity m...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Primary user emulation attack (PUEA) is a denial of service (DoS) attack unique to dynamic spectrum access (DSA) networks. While there have been studies in the literature to detect...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Medium access in ad-hoc wireless networks must be performed in a distributed fashion due to lack of coordination between nodes. Specifically, when nodes are capable of receivin...
CN
2006
13 years 7 months ago
2006
Today's wireless networks are characterized by a fixed spectrum assignment policy. However, a large portion of the assigned spectrum is used sporadically and geographical var...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...