2007 search results - page 43 / 402 » SPECTRUM |
TCOM
2010
13 years 8 months ago
2010
Abstract—Cognitive radio technologies have become a promising approach to efficiently utilize the spectrum. Although many works have been proposed recently in the area of cognit...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In this paper, we create a unified framework for spectrum sensing of signals which have covariance matrices with known eigenvalue multiplicities. We derive the generalized likeli...
CVPR
2008
IEEE
14 years 11 months ago
2008
IEEE
Salient areas in natural scenes are generally regarded as the candidates of attention focus in human eyes, which is the key stage in object detection. In computer vision, many mod...
CORR
2010
Springer
13 years 10 months ago
2010
Springer
Dynamic spectrum leasing can greatly enhance the spectrum efficiency and encourage more flexible services in the spectrum market. This paper presents a detailed analytical study of...
WIOPT
2010
IEEE
13 years 8 months ago
2010
IEEE
We consider the problem of providing opportunistic spectrum access to secondary users in wireless cellular networks. From the standpoint of spectrum license holders, achieving ben...