40 search results - page 7 / 8 » Efficient Dynamic Spectrum Sharing in Cognitive Radio Networ... |
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
ICIP
2008
IEEE
14 years 10 months ago
2008
IEEE
Due to the dynamic nature of cognitive radio networks, multi-user video streaming (with various video traffic characteristics and QoS requirements) requires efficient dynamic chan...
INFOCOM
2012
IEEE
11 years 11 months ago
2012
IEEE
Cognitive radio gives users the ability to switch channels and make use of dynamic spectral opportunities. However, switching channels takes time, and may disrupt the quality of a...
INFOCOM
2010
IEEE
13 years 7 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
ICASSP
2009
IEEE
14 years 3 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...