117 search results - page 23 / 24 » Quality-of-Service in Cognitive Radio Networks with Collabor... |
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...
ICASSP
2009
IEEE
13 years 12 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
WCNC
2010
IEEE
13 years 3 months ago
2010
IEEE
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...
VTC
2007
IEEE
13 years 11 months ago
2007
IEEE
— With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilization by letting users sense and utilize available spec...
WOWMOM
2006
ACM
13 years 11 months ago
2006
ACM
Abstract— A sybil node impersonates other nodes by broadcasting messages with multiple node identifiers (ID). In contrast to existing solutions which are based on sharing encryp...