191 search results - page 34 / 39 » Joint Optimization of Spectrum Sensing for Cognitive Radio N... |
ICASSP
2009
IEEE
14 years 2 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...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—Opportunistic secondary spectrum usage has the potential to dramatically increase spectral efficiency and rates of a network of secondary cognitive users. In this work we consi...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract--Cognitive radio (CR) technology is an innovative radio design philosophy which aims to increase spectrum utilization by exploiting unused spectrum in dynamically changing...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—Cognitive radio technologies have become a promising approach to increase the efficiency of spectrum utilization. Although cognitive radio has been intensively studied ...
SIGCOMM
2005
ACM
14 years 1 months ago
2005
ACM
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...