40 search results - page 6 / 8 » Competitive Analysis of Opportunistic Spectrum Access Strate... |
ESA
1999
Springer
13 years 11 months ago
1999
Springer
This paper deals with the on-line allocation of shared data objects to the local memory modules of the nodes in a network. We assume that the data is organized in indivisible objec...
JSAC
2008
13 years 6 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
INFOCOM
2010
IEEE
13 years 5 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...
IWCMC
2009
ACM
14 years 1 months ago
2009
ACM
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...