310 search results - page 4 / 62 » Presence Sensing Billboards |
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
This paper develops a cooperative scheme among cognitive radios (CRs) to increase the spectrum sensing performance. CRs adaptively transmit local binary decisions to a fusion cente...
MOBISYS
2011
ACM
12 years 8 months ago
2011
ACM
We present an indoor positioning system that measures location using disturbances of the Earth's magnetic field caused by structural steel elements in a building. The presenc...
VTC
2007
IEEE
14 years 1 days ago
2007
IEEE
—In this paper, we propose an analytical model to evaluate the hidden station effect on both non-saturation and saturation performance of the IEEE 802.11 Distributed Coordination...
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
—Collaborative spectrum sensing has been regarded as a promising approach to enable secondary users to detect primary users by exploiting spatial diversity. In this paper, we con...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...